Fix styling issues with tabs manager (#84)

* Add hideInputs query param in notebookViewer

* Fix test and other minor changes

* Make GalleryHeaderComponent more functional

.eslintignore

@@ -147,7 +147,6 @@ src/Explorer/Panes/ExecuteSprocParamsPane.ts
 src/Explorer/Panes/GraphStylingPane.ts
 src/Explorer/Panes/LibraryManagePane.ts
 src/Explorer/Panes/LoadQueryPane.ts
-src/Explorer/Panes/ManageSparkClusterPane.ts
 src/Explorer/Panes/NewVertexPane.ts
 src/Explorer/Panes/PaneComponents.ts
 src/Explorer/Panes/RenewAdHocAccessPane.ts
@@ -155,7 +154,6 @@ src/Explorer/Panes/SaveQueryPane.ts
 src/Explorer/Panes/SettingsPane.test.ts
 src/Explorer/Panes/SettingsPane.ts
 src/Explorer/Panes/SetupNotebooksPane.ts
-src/Explorer/Panes/SetupSparkClusterPane.ts
 src/Explorer/Panes/StringInputPane.ts
 src/Explorer/Panes/SwitchDirectoryPane.ts
 src/Explorer/Panes/Tables/AddTableEntityPane.ts
@@ -411,7 +409,6 @@ src/Explorer/Tabs/NotebookViewerTab.tsx
 src/Explorer/Tabs/TerminalTab.tsx
 src/Explorer/Tree/ResourceTreeAdapter.tsx
 src/Explorer/Tree/ResourceTreeAdapterForResourceToken.tsx
-src/GalleryViewer/Cards/CardStyleConstants.tsx
 src/GalleryViewer/Cards/GalleryCardComponent.tsx
 src/GalleryViewer/GalleryViewer.tsx
 src/GalleryViewer/GalleryViewerComponent.tsx

.github/workflows/ci.yml

@@ -175,6 +175,7 @@ jobs:
       - run: nuget pack -Version "2.0.0-github-${GITHUB_SHA}"
       - run: nuget push -Source "$NUGET_SOURCE" -ApiKey Az *.nupkg
       - uses: actions/upload-artifact@v2
+        name: packages
         with:
           path: "*.nupkg"
   nugetmpac:
@@ -198,5 +199,6 @@ jobs:
       - run: nuget pack -Version "2.0.0-github-${GITHUB_SHA}"
       - run: nuget push -Source "$NUGET_SOURCE" -ApiKey Az *.nupkg
       - uses: actions/upload-artifact@v2
+        name: packages
         with:
           path: "*.nupkg"

.github/workflows/runners.yml

@@ -1,7 +1,7 @@
 name: Runners
 on:
   schedule:
-    - cron: "*/10 * * * *"
+    - cron: "0 * 1 * *"
 jobs:
   sqlcreatecollection:
     runs-on: ubuntu-latest
@@ -18,3 +18,8 @@ jobs:
           PORTAL_RUNNER_SUBSCRIPTION: 69e02f2d-f059-4409-9eac-97e8a276ae2c
           PORTAL_RUNNER_RESOURCE_GROUP: runners
           PORTAL_RUNNER_DATABASE_ACCOUNT: portal-sql-runner
+      - uses: actions/upload-artifact@v2
+        if: failure()
+        with:
+          name: screenshots
+          path: failure.png

.gitignore

@@ -16,4 +16,5 @@ notebookapp/*
 Contracts/*
 .DS_Store
 .cache/
-.env
+.env
+failure.png

CONTRIBUTING.md

@@ -30,12 +30,13 @@ For IE support, polyfill is preferred over new usage of lodash or underscore. We
 ### Typescript
 * Follow this [typescript style guide](https://github.com/excelmicro/typescript) which is based on [airbnb's style  guide](https://github.com/airbnb/javascript).
 * Conventions speficic to this project:
-  * Use double-quotes for string
-  * Don't use null, use undefined
-  * Pascal case for private static readonly fields
-  * Camel case for classnames in markup
+  - Use double-quotes for string
+  - Don't use `null`, use `undefined`
+  - Pascal case for private static readonly fields
+  - Camel case for classnames in markup
 * Don't use class unless necessary
 * Code related to notebooks should be dynamically imported so that it is loaded from a separate bundle only if the account is notebook-enabled. There are already top-level notebook components which are dynamically imported and their dependencies can be statically imported from these files.
+* Prefer using [Fluent UI controls](https://developer.microsoft.com/en-us/fluentui#/controls/web) over creating your own, in order to maintain consistency and support a11y.
 
 ### React
 * Prefer using React class components over function components and hooks unless you have a simple component and require no nested functions:

externals/bops.js

@@ -1,595 +0,0 @@
-"use strict";
-
-(function(e){if("function"==typeof bootstrap)bootstrap("bops",e);else if("object"==typeof exports)module.exports=e();else if("function"==typeof define&&define.amd)define(e);else if("undefined"!=typeof ses){if(!ses.ok())return;ses.makeBops=e}else"undefined"!=typeof window?window.bops=e():global.bops=e()})(function(){var define,ses,bootstrap,module,exports;
-return (function(e,t,n){function i(n,s){if(!t[n]){if(!e[n]){var o=typeof require=="function"&&require;if(!s&&o)return o(n,!0);if(r)return r(n,!0);throw new Error("Cannot find module '"+n+"'")}var u=t[n]={exports:{}};e[n][0].call(u.exports,function(t){var r=e[n][1][t];return i(r?r:t)},u,u.exports)}return t[n].exports}var r=typeof require=="function"&&require;for(var s=0;s<n.length;s++)i(n[s]);return i})({1:[function(require,module,exports){
-var proto = {}
-module.exports = proto
-
-proto.from = require('./from.js')
-proto.to = require('./to.js')
-proto.is = require('./is.js')
-proto.subarray = require('./subarray.js')
-proto.join = require('./join.js')
-proto.copy = require('./copy.js')
-proto.create = require('./create.js')
-
-mix(require('./read.js'), proto)
-mix(require('./write.js'), proto)
-
-function mix(from, into) {
-  for(var key in from) {
-    into[key] = from[key]
-  }
-}
-
-},{"./from.js":2,"./to.js":3,"./is.js":4,"./subarray.js":5,"./join.js":6,"./copy.js":7,"./create.js":8,"./read.js":9,"./write.js":10}],4:[function(require,module,exports){
-
-module.exports = function(buffer) {
-  return buffer instanceof Uint8Array;
-}
-
-},{}],5:[function(require,module,exports){
-module.exports = subarray
-
-function subarray(buf, from, to) {
-  return buf.subarray(from || 0, to || buf.length)
-}
-
-},{}],6:[function(require,module,exports){
-module.exports = join
-
-function join(targets, hint) {
-  if(!targets.length) {
-    return new Uint8Array(0)
-  }
-
-  var len = hint !== undefined ? hint : get_length(targets)
-    , out = new Uint8Array(len)
-    , cur = targets[0]
-    , curlen = cur.length
-    , curidx = 0
-    , curoff = 0
-    , i = 0
-
-  while(i < len) {
-    if(curoff === curlen) {
-      curoff = 0
-      ++curidx
-      cur = targets[curidx]
-      curlen = cur && cur.length
-      continue
-    }
-    out[i++] = cur[curoff++] 
-  }
-
-  return out
-}
-
-function get_length(targets) {
-  var size = 0
-  for(var i = 0, len = targets.length; i < len; ++i) {
-    size += targets[i].byteLength
-  }
-  return size
-}
-
-},{}],7:[function(require,module,exports){
-module.exports = copy
-
-var slice = [].slice
-
-function copy(source, target, target_start, source_start, source_end) {
-  target_start = arguments.length < 3 ? 0 : target_start
-  source_start = arguments.length < 4 ? 0 : source_start
-  source_end = arguments.length < 5 ? source.length : source_end
-
-  if(source_end === source_start) {
-    return
-  }
-
-  if(target.length === 0 || source.length === 0) {
-    return
-  }
-
-  if(source_end > source.length) {
-    source_end = source.length
-  }
-
-  if(target.length - target_start < source_end - source_start) {
-    source_end = target.length - target_start + start
-  }
-
-  if(source.buffer !== target.buffer) {
-    return fast_copy(source, target, target_start, source_start, source_end)
-  }
-  return slow_copy(source, target, target_start, source_start, source_end)
-}
-
-function fast_copy(source, target, target_start, source_start, source_end) {
-  var len = (source_end - source_start) + target_start
-
-  for(var i = target_start, j = source_start;
-      i < len;
-      ++i,
-      ++j) {
-    target[i] = source[j]
-  }
-}
-
-function slow_copy(from, to, j, i, jend) {
-  // the buffers could overlap.
-  var iend = jend + i
-    , tmp = new Uint8Array(slice.call(from, i, iend))
-    , x = 0
-
-  for(; i < iend; ++i, ++x) {
-    to[j++] = tmp[x]
-  }
-}
-
-},{}],8:[function(require,module,exports){
-module.exports = function(size) {
-  return new Uint8Array(size)
-}
-
-},{}],9:[function(require,module,exports){
-module.exports = {
-    readUInt8:      read_uint8
-  , readInt8:       read_int8
-  , readUInt16LE:   read_uint16_le
-  , readUInt32LE:   read_uint32_le
-  , readInt16LE:    read_int16_le
-  , readInt32LE:    read_int32_le
-  , readFloatLE:    read_float_le
-  , readDoubleLE:   read_double_le
-  , readUInt16BE:   read_uint16_be
-  , readUInt32BE:   read_uint32_be
-  , readInt16BE:    read_int16_be
-  , readInt32BE:    read_int32_be
-  , readFloatBE:    read_float_be
-  , readDoubleBE:   read_double_be
-}
-
-var map = require('./mapped.js')
-
-function read_uint8(target, at) {
-  return target[at]
-}
-
-function read_int8(target, at) {
-  var v = target[at];
-  return v < 0x80 ? v : v - 0x100
-}
-
-function read_uint16_le(target, at) {
-  var dv = map.get(target);
-  return dv.getUint16(at + target.byteOffset, true)
-}
-
-function read_uint32_le(target, at) {
-  var dv = map.get(target);
-  return dv.getUint32(at + target.byteOffset, true)
-}
-
-function read_int16_le(target, at) {
-  var dv = map.get(target);
-  return dv.getInt16(at + target.byteOffset, true)
-}
-
-function read_int32_le(target, at) {
-  var dv = map.get(target);
-  return dv.getInt32(at + target.byteOffset, true)
-}
-
-function read_float_le(target, at) {
-  var dv = map.get(target);
-  return dv.getFloat32(at + target.byteOffset, true)
-}
-
-function read_double_le(target, at) {
-  var dv = map.get(target);
-  return dv.getFloat64(at + target.byteOffset, true)
-}
-
-function read_uint16_be(target, at) {
-  var dv = map.get(target);
-  return dv.getUint16(at + target.byteOffset, false)
-}
-
-function read_uint32_be(target, at) {
-  var dv = map.get(target);
-  return dv.getUint32(at + target.byteOffset, false)
-}
-
-function read_int16_be(target, at) {
-  var dv = map.get(target);
-  return dv.getInt16(at + target.byteOffset, false)
-}
-
-function read_int32_be(target, at) {
-  var dv = map.get(target);
-  return dv.getInt32(at + target.byteOffset, false)
-}
-
-function read_float_be(target, at) {
-  var dv = map.get(target);
-  return dv.getFloat32(at + target.byteOffset, false)
-}
-
-function read_double_be(target, at) {
-  var dv = map.get(target);
-  return dv.getFloat64(at + target.byteOffset, false)
-}
-
-},{"./mapped.js":11}],10:[function(require,module,exports){
-module.exports = {
-    writeUInt8:      write_uint8
-  , writeInt8:       write_int8
-  , writeUInt16LE:   write_uint16_le
-  , writeUInt32LE:   write_uint32_le
-  , writeInt16LE:    write_int16_le
-  , writeInt32LE:    write_int32_le
-  , writeFloatLE:    write_float_le
-  , writeDoubleLE:   write_double_le
-  , writeUInt16BE:   write_uint16_be
-  , writeUInt32BE:   write_uint32_be
-  , writeInt16BE:    write_int16_be
-  , writeInt32BE:    write_int32_be
-  , writeFloatBE:    write_float_be
-  , writeDoubleBE:   write_double_be
-}
-
-var map = require('./mapped.js')
-
-function write_uint8(target, value, at) {
-  return target[at] = value
-}
-
-function write_int8(target, value, at) {
-  return target[at] = value < 0 ? value + 0x100 : value
-}
-
-function write_uint16_le(target, value, at) {
-  var dv = map.get(target);
-  return dv.setUint16(at + target.byteOffset, value, true)
-}
-
-function write_uint32_le(target, value, at) {
-  var dv = map.get(target);
-  return dv.setUint32(at + target.byteOffset, value, true)
-}
-
-function write_int16_le(target, value, at) {
-  var dv = map.get(target);
-  return dv.setInt16(at + target.byteOffset, value, true)
-}
-
-function write_int32_le(target, value, at) {
-  var dv = map.get(target);
-  return dv.setInt32(at + target.byteOffset, value, true)
-}
-
-function write_float_le(target, value, at) {
-  var dv = map.get(target);
-  return dv.setFloat32(at + target.byteOffset, value, true)
-}
-
-function write_double_le(target, value, at) {
-  var dv = map.get(target);
-  return dv.setFloat64(at + target.byteOffset, value, true)
-}
-
-function write_uint16_be(target, value, at) {
-  var dv = map.get(target);
-  return dv.setUint16(at + target.byteOffset, value, false)
-}
-
-function write_uint32_be(target, value, at) {
-  var dv = map.get(target);
-  return dv.setUint32(at + target.byteOffset, value, false)
-}
-
-function write_int16_be(target, value, at) {
-  var dv = map.get(target);
-  return dv.setInt16(at + target.byteOffset, value, false)
-}
-
-function write_int32_be(target, value, at) {
-  var dv = map.get(target);
-  return dv.setInt32(at + target.byteOffset, value, false)
-}
-
-function write_float_be(target, value, at) {
-  var dv = map.get(target);
-  return dv.setFloat32(at + target.byteOffset, value, false)
-}
-
-function write_double_be(target, value, at) {
-  var dv = map.get(target);
-  return dv.setFloat64(at + target.byteOffset, value, false)
-}
-
-},{"./mapped.js":11}],11:[function(require,module,exports){
-var proto
-  , map
-
-module.exports = proto = {}
-
-map = typeof WeakMap === 'undefined' ? null : new WeakMap
-
-proto.get = !map ? no_weakmap_get : get
-
-function no_weakmap_get(target) {
-  return new DataView(target.buffer, 0)
-}
-
-function get(target) {
-  var out = map.get(target.buffer)
-  if(!out) {
-    map.set(target.buffer, out = new DataView(target.buffer, 0))
-  }
-  return out
-}
-
-},{}],2:[function(require,module,exports){
-module.exports = from
-
-var base64 = require('base64-js')
-
-var decoders = {
-    hex: from_hex
-  , utf8: from_utf
-  , base64: from_base64
-}
-
-function from(source, encoding) {
-  if(Array.isArray(source)) {
-    return new Uint8Array(source)
-  }
-
-  return decoders[encoding || 'utf8'](source)
-}
-
-function from_hex(str) {
-  var size = str.length / 2
-    , buf = new Uint8Array(size)
-    , character = ''
-
-  for(var i = 0, len = str.length; i < len; ++i) {
-    character += str.charAt(i)
-
-    if(i > 0 && (i % 2) === 1) {
-      buf[i>>>1] = parseInt(character, 16)
-      character = '' 
-    }
-  }
-
-  return buf 
-}
-
-function from_utf(str) {
-  var bytes = []
-    , tmp
-    , ch
-
-  for(var i = 0, len = str.length; i < len; ++i) {
-    ch = str.charCodeAt(i)
-    if(ch & 0x80) {
-      tmp = encodeURIComponent(str.charAt(i)).substr(1).split('%')
-      for(var j = 0, jlen = tmp.length; j < jlen; ++j) {
-        bytes[bytes.length] = parseInt(tmp[j], 16)
-      }
-    } else {
-      bytes[bytes.length] = ch 
-    }
-  }
-
-  return new Uint8Array(bytes)
-}
-
-function from_base64(str) {
-  return new Uint8Array(base64.toByteArray(str)) 
-}
-
-},{"base64-js":12}],3:[function(require,module,exports){
-module.exports = to
-
-var base64 = require('base64-js')
-  , toutf8 = require('to-utf8')
-
-var encoders = {
-    hex: to_hex
-  , utf8: to_utf
-  , base64: to_base64
-}
-
-function to(buf, encoding) {
-  return encoders[encoding || 'utf8'](buf)
-}
-
-function to_hex(buf) {
-  var str = ''
-    , byt
-
-  for(var i = 0, len = buf.length; i < len; ++i) {
-    byt = buf[i]
-    str += ((byt & 0xF0) >>> 4).toString(16)
-    str += (byt & 0x0F).toString(16)
-  }
-
-  return str
-}
-
-function to_utf(buf) {
-  return toutf8(buf)
-}
-
-function to_base64(buf) {
-  return base64.fromByteArray(buf)
-}
-
-
-},{"base64-js":12,"to-utf8":13}],12:[function(require,module,exports){
-(function (exports) {
-	'use strict';
-
-	var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
-
-	function b64ToByteArray(b64) {
-		var i, j, l, tmp, placeHolders, arr;
-	
-		if (b64.length % 4 > 0) {
-			throw 'Invalid string. Length must be a multiple of 4';
-		}
-
-		// the number of equal signs (place holders)
-		// if there are two placeholders, than the two characters before it
-		// represent one byte
-		// if there is only one, then the three characters before it represent 2 bytes
-		// this is just a cheap hack to not do indexOf twice
-		placeHolders = b64.indexOf('=');
-		placeHolders = placeHolders > 0 ? b64.length - placeHolders : 0;
-
-		// base64 is 4/3 + up to two characters of the original data
-		arr = [];//new Uint8Array(b64.length * 3 / 4 - placeHolders);
-
-		// if there are placeholders, only get up to the last complete 4 chars
-		l = placeHolders > 0 ? b64.length - 4 : b64.length;
-
-		for (i = 0, j = 0; i < l; i += 4, j += 3) {
-			tmp = (lookup.indexOf(b64[i]) << 18) | (lookup.indexOf(b64[i + 1]) << 12) | (lookup.indexOf(b64[i + 2]) << 6) | lookup.indexOf(b64[i + 3]);
-			arr.push((tmp & 0xFF0000) >> 16);
-			arr.push((tmp & 0xFF00) >> 8);
-			arr.push(tmp & 0xFF);
-		}
-
-		if (placeHolders === 2) {
-			tmp = (lookup.indexOf(b64[i]) << 2) | (lookup.indexOf(b64[i + 1]) >> 4);
-			arr.push(tmp & 0xFF);
-		} else if (placeHolders === 1) {
-			tmp = (lookup.indexOf(b64[i]) << 10) | (lookup.indexOf(b64[i + 1]) << 4) | (lookup.indexOf(b64[i + 2]) >> 2);
-			arr.push((tmp >> 8) & 0xFF);
-			arr.push(tmp & 0xFF);
-		}
-
-		return arr;
-	}
-
-	function uint8ToBase64(uint8) {
-		var i,
-			extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes
-			output = "",
-			temp, length;
-
-		function tripletToBase64 (num) {
-			return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F];
-		};
-
-		// go through the array every three bytes, we'll deal with trailing stuff later
-		for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {
-			temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]);
-			output += tripletToBase64(temp);
-		}
-
-		// pad the end with zeros, but make sure to not forget the extra bytes
-		switch (extraBytes) {
-			case 1:
-				temp = uint8[uint8.length - 1];
-				output += lookup[temp >> 2];
-				output += lookup[(temp << 4) & 0x3F];
-				output += '==';
-				break;
-			case 2:
-				temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1]);
-				output += lookup[temp >> 10];
-				output += lookup[(temp >> 4) & 0x3F];
-				output += lookup[(temp << 2) & 0x3F];
-				output += '=';
-				break;
-		}
-
-		return output;
-	}
-
-	module.exports.toByteArray = b64ToByteArray;
-	module.exports.fromByteArray = uint8ToBase64;
-}());
-
-},{}],13:[function(require,module,exports){
-module.exports = to_utf8
-
-var out = []
-  , col = []
-  , fcc = String.fromCharCode
-  , mask = [0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01]
-  , unmask = [
-      0x00
-    , 0x01
-    , 0x02 | 0x01
-    , 0x04 | 0x02 | 0x01
-    , 0x08 | 0x04 | 0x02 | 0x01
-    , 0x10 | 0x08 | 0x04 | 0x02 | 0x01
-    , 0x20 | 0x10 | 0x08 | 0x04 | 0x02 | 0x01
-    , 0x40 | 0x20 | 0x10 | 0x08 | 0x04 | 0x02 | 0x01
-  ]
-
-function to_utf8(bytes, start, end) {
-  start = start === undefined ? 0 : start
-  end = end === undefined ? bytes.length : end
-
-  var idx = 0
-    , hi = 0x80
-    , collecting = 0
-    , pos
-    , by
-
-  col.length =
-  out.length = 0
-
-  while(idx < bytes.length) {
-    by = bytes[idx]
-    if(!collecting && by & hi) {
-      pos = find_pad_position(by)
-      collecting += pos
-      if(pos < 8) {
-        col[col.length] = by & unmask[6 - pos]
-      }
-    } else if(collecting) {
-      col[col.length] = by & unmask[6]
-      --collecting
-      if(!collecting && col.length) {
-        out[out.length] = fcc(reduced(col, pos))
-        col.length = 0
-      }
-    } else { 
-      out[out.length] = fcc(by)
-    }
-    ++idx
-  }
-  if(col.length && !collecting) {
-    out[out.length] = fcc(reduced(col, pos))
-    col.length = 0
-  }
-  return out.join('')
-}
-
-function find_pad_position(byt) {
-  for(var i = 0; i < 7; ++i) {
-    if(!(byt & mask[i])) {
-      break
-    }
-  }
-  return i
-}
-
-function reduced(list) {
-  var out = 0
-  for(var i = 0, len = list.length; i < len; ++i) {
-    out |= list[i] << ((len - i - 1) * 6)
-  }
-  return out
-}
-
-},{}]},{},[1])(1)
-});
-;

externals/crossroads.js

@@ -1,723 +0,0 @@
-/** @license
- * crossroads <http://millermedeiros.github.com/crossroads.js/>
- * Author: Miller Medeiros | MIT License
- * v0.12.2 (2015/07/31 18:37)
- */
-
-(function () {
-var factory = function (signals) {
-
-    var crossroads,
-        _hasOptionalGroupBug,
-        UNDEF;
-
-    // Helpers -----------
-    //====================
-
-    // IE 7-8 capture optional groups as empty strings while other browsers
-    // capture as `undefined`
-    _hasOptionalGroupBug = (/t(.+)?/).exec('t')[1] === '';
-
-    function arrayIndexOf(arr, val) {
-        if (arr.indexOf) {
-            return arr.indexOf(val);
-        } else {
-            //Array.indexOf doesn't work on IE 6-7
-            var n = arr.length;
-            while (n--) {
-                if (arr[n] === val) {
-                    return n;
-                }
-            }
-            return -1;
-        }
-    }
-
-    function arrayRemove(arr, item) {
-        var i = arrayIndexOf(arr, item);
-        if (i !== -1) {
-            arr.splice(i, 1);
-        }
-    }
-
-    function isKind(val, kind) {
-        return '[object '+ kind +']' === Object.prototype.toString.call(val);
-    }
-
-    function isRegExp(val) {
-        return isKind(val, 'RegExp');
-    }
-
-    function isArray(val) {
-        return isKind(val, 'Array');
-    }
-
-    function isFunction(val) {
-        return typeof val === 'function';
-    }
-
-    //borrowed from AMD-utils
-    function typecastValue(val) {
-        var r;
-        if (val === null || val === 'null') {
-            r = null;
-        } else if (val === 'true') {
-            r = true;
-        } else if (val === 'false') {
-            r = false;
-        } else if (val === UNDEF || val === 'undefined') {
-            r = UNDEF;
-        } else if (val === '' || isNaN(val)) {
-            r = val;
-        } else {
-            r = parseFloat(val);
-        }
-        return r;
-    }
-
-    function typecastArrayValues(values) {
-        var n = values.length,
-            result = [];
-        while (n--) {
-            result[n] = typecastValue(values[n]);
-        }
-        return result;
-    }
-
-    // borrowed from MOUT
-    function decodeQueryString(queryStr, shouldTypecast) {
-        var queryArr = (queryStr || '').replace('?', '').split('&'),
-            reg = /([^=]+)=(.+)/,
-            i = -1,
-            obj = {},
-            equalIndex, cur, pValue, pName;
-
-        while ((cur = queryArr[++i])) {
-            equalIndex = cur.indexOf('=');
-            pName = cur.substring(0, equalIndex);
-            pValue = decodeURIComponent(cur.substring(equalIndex + 1));
-            if (shouldTypecast !== false) {
-                pValue = typecastValue(pValue);
-            }
-            if (pName in obj){
-                if(isArray(obj[pName])){
-                    obj[pName].push(pValue);
-                } else {
-                    obj[pName] = [obj[pName], pValue];
-                }
-            } else {
-                obj[pName] = pValue;
-           }
-        }
-        return obj;
-    }
-
-
-    // Crossroads --------
-    //====================
-
-    /**
-     * @constructor
-     */
-    function Crossroads() {
-        this.bypassed = new signals.Signal();
-        this.routed = new signals.Signal();
-        this._routes = [];
-        this._prevRoutes = [];
-        this._piped = [];
-        this.resetState();
-    }
-
-    Crossroads.prototype = {
-
-        greedy : false,
-
-        greedyEnabled : true,
-
-        ignoreCase : true,
-
-        ignoreState : false,
-
-        shouldTypecast : false,
-
-        normalizeFn : null,
-
-        resetState : function(){
-            this._prevRoutes.length = 0;
-            this._prevMatchedRequest = null;
-            this._prevBypassedRequest = null;
-        },
-
-        create : function () {
-            return new Crossroads();
-        },
-
-        addRoute : function (pattern, callback, priority) {
-            var route = new Route(pattern, callback, priority, this);
-            this._sortedInsert(route);
-            return route;
-        },
-
-        removeRoute : function (route) {
-            arrayRemove(this._routes, route);
-            route._destroy();
-        },
-
-        removeAllRoutes : function () {
-            var n = this.getNumRoutes();
-            while (n--) {
-                this._routes[n]._destroy();
-            }
-            this._routes.length = 0;
-        },
-
-        parse : function (request, defaultArgs) {
-            request = request || '';
-            defaultArgs = defaultArgs || [];
-
-            // should only care about different requests if ignoreState isn't true
-            if ( !this.ignoreState &&
-                (request === this._prevMatchedRequest ||
-                 request === this._prevBypassedRequest) ) {
-                return;
-            }
-
-            var routes = this._getMatchedRoutes(request),
-                i = 0,
-                n = routes.length,
-                cur;
-
-            if (n) {
-                this._prevMatchedRequest = request;
-
-                this._notifyPrevRoutes(routes, request);
-                this._prevRoutes = routes;
-                //should be incremental loop, execute routes in order
-                while (i < n) {
-                    cur = routes[i];
-                    cur.route.matched.dispatch.apply(cur.route.matched, defaultArgs.concat(cur.params));
-                    cur.isFirst = !i;
-                    this.routed.dispatch.apply(this.routed, defaultArgs.concat([request, cur]));
-                    i += 1;
-                }
-            } else {
-                this._prevBypassedRequest = request;
-                this.bypassed.dispatch.apply(this.bypassed, defaultArgs.concat([request]));
-            }
-
-            this._pipeParse(request, defaultArgs);
-        },
-
-        _notifyPrevRoutes : function(matchedRoutes, request) {
-            var i = 0, prev;
-            while (prev = this._prevRoutes[i++]) {
-                //check if switched exist since route may be disposed
-                if(prev.route.switched && this._didSwitch(prev.route, matchedRoutes)) {
-                    prev.route.switched.dispatch(request);
-                }
-            }
-        },
-
-        _didSwitch : function (route, matchedRoutes){
-            var matched,
-                i = 0;
-            while (matched = matchedRoutes[i++]) {
-                // only dispatch switched if it is going to a different route
-                if (matched.route === route) {
-                    return false;
-                }
-            }
-            return true;
-        },
-
-        _pipeParse : function(request, defaultArgs) {
-            var i = 0, route;
-            while (route = this._piped[i++]) {
-                route.parse(request, defaultArgs);
-            }
-        },
-
-        getNumRoutes : function () {
-            return this._routes.length;
-        },
-
-        _sortedInsert : function (route) {
-            //simplified insertion sort
-            var routes = this._routes,
-                n = routes.length;
-            do { --n; } while (routes[n] && route._priority <= routes[n]._priority);
-            routes.splice(n+1, 0, route);
-        },
-
-        _getMatchedRoutes : function (request) {
-            var res = [],
-                routes = this._routes,
-                n = routes.length,
-                route;
-            //should be decrement loop since higher priorities are added at the end of array
-            while (route = routes[--n]) {
-                if ((!res.length || this.greedy || route.greedy) && route.match(request)) {
-                    res.push({
-                        route : route,
-                        params : route._getParamsArray(request)
-                    });
-                }
-                if (!this.greedyEnabled && res.length) {
-                    break;
-                }
-            }
-            return res;
-        },
-
-        pipe : function (otherRouter) {
-            this._piped.push(otherRouter);
-        },
-
-        unpipe : function (otherRouter) {
-            arrayRemove(this._piped, otherRouter);
-        },
-
-        toString : function () {
-            return '[crossroads numRoutes:'+ this.getNumRoutes() +']';
-        }
-    };
-
-    //"static" instance
-    crossroads = new Crossroads();
-    crossroads.VERSION = '0.12.2';
-
-    crossroads.NORM_AS_ARRAY = function (req, vals) {
-        return [vals.vals_];
-    };
-
-    crossroads.NORM_AS_OBJECT = function (req, vals) {
-        return [vals];
-    };
-
-
-    // Route --------------
-    //=====================
-
-    /**
-     * @constructor
-     */
-    function Route(pattern, callback, priority, router) {
-        var isRegexPattern = isRegExp(pattern),
-            patternLexer = router.patternLexer;
-        this._router = router;
-        this._pattern = pattern;
-        this._paramsIds = isRegexPattern? null : patternLexer.getParamIds(pattern);
-        this._optionalParamsIds = isRegexPattern? null : patternLexer.getOptionalParamsIds(pattern);
-        this._matchRegexp = isRegexPattern? pattern : patternLexer.compilePattern(pattern, router.ignoreCase);
-        this.matched = new signals.Signal();
-        this.switched = new signals.Signal();
-        if (callback) {
-            this.matched.add(callback);
-        }
-        this._priority = priority || 0;
-    }
-
-    Route.prototype = {
-
-        greedy : false,
-
-        rules : void(0),
-
-        match : function (request) {
-            request = request || '';
-            return this._matchRegexp.test(request) && this._validateParams(request); //validate params even if regexp because of `request_` rule.
-        },
-
-        _validateParams : function (request) {
-            var rules = this.rules,
-                values = this._getParamsObject(request),
-                key;
-            for (key in rules) {
-                // normalize_ isn't a validation rule... (#39)
-                if(key !== 'normalize_' && rules.hasOwnProperty(key) && ! this._isValidParam(request, key, values)){
-                    return false;
-                }
-            }
-            return true;
-        },
-
-        _isValidParam : function (request, prop, values) {
-            var validationRule = this.rules[prop],
-                val = values[prop],
-                isValid = false,
-                isQuery = (prop.indexOf('?') === 0);
-
-            if (val == null && this._optionalParamsIds && arrayIndexOf(this._optionalParamsIds, prop) !== -1) {
-                isValid = true;
-            }
-            else if (isRegExp(validationRule)) {
-                if (isQuery) {
-                    val = values[prop +'_']; //use raw string
-                }
-                isValid = validationRule.test(val);
-            }
-            else if (isArray(validationRule)) {
-                if (isQuery) {
-                    val = values[prop +'_']; //use raw string
-                }
-                isValid = this._isValidArrayRule(validationRule, val);
-            }
-            else if (isFunction(validationRule)) {
-                isValid = validationRule(val, request, values);
-            }
-
-            return isValid; //fail silently if validationRule is from an unsupported type
-        },
-
-        _isValidArrayRule : function (arr, val) {
-            if (! this._router.ignoreCase) {
-                return arrayIndexOf(arr, val) !== -1;
-            }
-
-            if (typeof val === 'string') {
-                val = val.toLowerCase();
-            }
-
-            var n = arr.length,
-                item,
-                compareVal;
-
-            while (n--) {
-                item = arr[n];
-                compareVal = (typeof item === 'string')? item.toLowerCase() : item;
-                if (compareVal === val) {
-                    return true;
-                }
-            }
-            return false;
-        },
-
-        _getParamsObject : function (request) {
-            var shouldTypecast = this._router.shouldTypecast,
-                values = this._router.patternLexer.getParamValues(request, this._matchRegexp, shouldTypecast),
-                o = {},
-                n = values.length,
-                param, val;
-            while (n--) {
-                val = values[n];
-                if (this._paramsIds) {
-                    param = this._paramsIds[n];
-                    if (param.indexOf('?') === 0 && val) {
-                        //make a copy of the original string so array and
-                        //RegExp validation can be applied properly
-                        o[param +'_'] = val;
-                        //update vals_ array as well since it will be used
-                        //during dispatch
-                        val = decodeQueryString(val, shouldTypecast);
-                        values[n] = val;
-                    }
-                    // IE will capture optional groups as empty strings while other
-                    // browsers will capture `undefined` so normalize behavior.
-                    // see: #gh-58, #gh-59, #gh-60
-                    if ( _hasOptionalGroupBug && val === '' && arrayIndexOf(this._optionalParamsIds, param) !== -1 ) {
-                        val = void(0);
-                        values[n] = val;
-                    }
-                    o[param] = val;
-                }
-                //alias to paths and for RegExp pattern
-                o[n] = val;
-            }
-            o.request_ = shouldTypecast? typecastValue(request) : request;
-            o.vals_ = values;
-            return o;
-        },
-
-        _getParamsArray : function (request) {
-            var norm = this.rules? this.rules.normalize_ : null,
-                params;
-            norm = norm || this._router.normalizeFn; // default normalize
-            if (norm && isFunction(norm)) {
-                params = norm(request, this._getParamsObject(request));
-            } else {
-                params = this._getParamsObject(request).vals_;
-            }
-            return params;
-        },
-
-        interpolate : function(replacements) {
-            var str = this._router.patternLexer.interpolate(this._pattern, replacements);
-            if (! this._validateParams(str) ) {
-                throw new Error('Generated string doesn\'t validate against `Route.rules`.');
-            }
-            return str;
-        },
-
-        dispose : function () {
-            this._router.removeRoute(this);
-        },
-
-        _destroy : function () {
-            this.matched.dispose();
-            this.switched.dispose();
-            this.matched = this.switched = this._pattern = this._matchRegexp = null;
-        },
-
-        toString : function () {
-            return '[Route pattern:"'+ this._pattern +'", numListeners:'+ this.matched.getNumListeners() +']';
-        }
-
-    };
-
-
-
-    // Pattern Lexer ------
-    //=====================
-
-    Crossroads.prototype.patternLexer = (function () {
-
-        var
-            //match chars that should be escaped on string regexp
-            ESCAPE_CHARS_REGEXP = /[\\.+*?\^$\[\](){}\/'#]/g,
-
-            //trailing slashes (begin/end of string)
-            LOOSE_SLASHES_REGEXP = /^\/|\/$/g,
-            LEGACY_SLASHES_REGEXP = /\/$/g,
-
-            //params - everything between `{ }` or `: :`
-            PARAMS_REGEXP = /(?:\{|:)([^}:]+)(?:\}|:)/g,
-
-            //used to save params during compile (avoid escaping things that
-            //shouldn't be escaped).
-            TOKENS = {
-                'OS' : {
-                    //optional slashes
-                    //slash between `::` or `}:` or `\w:` or `:{?` or `}{?` or `\w{?`
-                    rgx : /([:}]|\w(?=\/))\/?(:|(?:\{\?))/g,
-                    save : '$1{{id}}$2',
-                    res : '\\/?'
-                },
-                'RS' : {
-                    //required slashes
-                    //used to insert slash between `:{` and `}{`
-                    rgx : /([:}])\/?(\{)/g,
-                    save : '$1{{id}}$2',
-                    res : '\\/'
-                },
-                'RQ' : {
-                    //required query string - everything in between `{? }`
-                    rgx : /\{\?([^}]+)\}/g,
-                    //everything from `?` till `#` or end of string
-                    res : '\\?([^#]+)'
-                },
-                'OQ' : {
-                    //optional query string - everything in between `:? :`
-                    rgx : /:\?([^:]+):/g,
-                    //everything from `?` till `#` or end of string
-                    res : '(?:\\?([^#]*))?'
-                },
-                'OR' : {
-                    //optional rest - everything in between `: *:`
-                    rgx : /:([^:]+)\*:/g,
-                    res : '(.*)?' // optional group to avoid passing empty string as captured
-                },
-                'RR' : {
-                    //rest param - everything in between `{ *}`
-                    rgx : /\{([^}]+)\*\}/g,
-                    res : '(.+)'
-                },
-                // required/optional params should come after rest segments
-                'RP' : {
-                    //required params - everything between `{ }`
-                    rgx : /\{([^}]+)\}/g,
-                    res : '([^\\/?]+)'
-                },
-                'OP' : {
-                    //optional params - everything between `: :`
-                    rgx : /:([^:]+):/g,
-                    res : '([^\\/?]+)?\/?'
-                }
-            },
-
-            LOOSE_SLASH = 1,
-            STRICT_SLASH = 2,
-            LEGACY_SLASH = 3,
-
-            _slashMode = LOOSE_SLASH;
-
-
-        function precompileTokens(){
-            var key, cur;
-            for (key in TOKENS) {
-                if (TOKENS.hasOwnProperty(key)) {
-                    cur = TOKENS[key];
-                    cur.id = '__CR_'+ key +'__';
-                    cur.save = ('save' in cur)? cur.save.replace('{{id}}', cur.id) : cur.id;
-                    cur.rRestore = new RegExp(cur.id, 'g');
-                }
-            }
-        }
-        precompileTokens();
-
-
-        function captureVals(regex, pattern) {
-            var vals = [], match;
-            // very important to reset lastIndex since RegExp can have "g" flag
-            // and multiple runs might affect the result, specially if matching
-            // same string multiple times on IE 7-8
-            regex.lastIndex = 0;
-            while (match = regex.exec(pattern)) {
-                vals.push(match[1]);
-            }
-            return vals;
-        }
-
-        function getParamIds(pattern) {
-            return captureVals(PARAMS_REGEXP, pattern);
-        }
-
-        function getOptionalParamsIds(pattern) {
-            return captureVals(TOKENS.OP.rgx, pattern);
-        }
-
-        function compilePattern(pattern, ignoreCase) {
-            pattern = pattern || '';
-
-            if(pattern){
-                if (_slashMode === LOOSE_SLASH) {
-                    pattern = pattern.replace(LOOSE_SLASHES_REGEXP, '');
-                }
-                else if (_slashMode === LEGACY_SLASH) {
-                    pattern = pattern.replace(LEGACY_SLASHES_REGEXP, '');
-                }
-
-                //save tokens
-                pattern = replaceTokens(pattern, 'rgx', 'save');
-                //regexp escape
-                pattern = pattern.replace(ESCAPE_CHARS_REGEXP, '\\$&');
-                //restore tokens
-                pattern = replaceTokens(pattern, 'rRestore', 'res');
-
-                if (_slashMode === LOOSE_SLASH) {
-                    pattern = '\\/?'+ pattern;
-                }
-            }
-
-            if (_slashMode !== STRICT_SLASH) {
-                //single slash is treated as empty and end slash is optional
-                pattern += '\\/?';
-            }
-            return new RegExp('^'+ pattern + '$', ignoreCase? 'i' : '');
-        }
-
-        function replaceTokens(pattern, regexpName, replaceName) {
-            var cur, key;
-            for (key in TOKENS) {
-                if (TOKENS.hasOwnProperty(key)) {
-                    cur = TOKENS[key];
-                    pattern = pattern.replace(cur[regexpName], cur[replaceName]);
-                }
-            }
-            return pattern;
-        }
-
-        function getParamValues(request, regexp, shouldTypecast) {
-            var vals = regexp.exec(request);
-            if (vals) {
-                vals.shift();
-                if (shouldTypecast) {
-                    vals = typecastArrayValues(vals);
-                }
-            }
-            return vals;
-        }
-
-        function interpolate(pattern, replacements) {
-            // default to an empty object because pattern might have just
-            // optional arguments
-            replacements = replacements || {};
-            if (typeof pattern !== 'string') {
-                throw new Error('Route pattern should be a string.');
-            }
-
-            var replaceFn = function(match, prop){
-                    var val;
-                    prop = (prop.substr(0, 1) === '?')? prop.substr(1) : prop;
-                    if (replacements[prop] != null) {
-                        if (typeof replacements[prop] === 'object') {
-                            var queryParts = [], rep;
-                            for(var key in replacements[prop]) {
-                                rep = replacements[prop][key];
-                                if (isArray(rep)) {
-                                    for (var k in rep) {
-                                        if ( key.slice(-2) == '[]' ) {
-                                            queryParts.push(encodeURI(key.slice(0, -2)) + '[]=' + encodeURI(rep[k]));
-                                        } else {
-                                            queryParts.push(encodeURI(key + '=' + rep[k]));
-                                        }
-                                    }
-                                }
-                                else {
-                                    queryParts.push(encodeURI(key + '=' + rep));
-                                }
-                            }
-                            val = '?' + queryParts.join('&');
-                        } else {
-                            // make sure value is a string see #gh-54
-                            val = String(replacements[prop]);
-                        }
-
-                        if (match.indexOf('*') === -1 && val.indexOf('/') !== -1) {
-                            throw new Error('Invalid value "'+ val +'" for segment "'+ match +'".');
-                        }
-                    }
-                    else if (match.indexOf('{') !== -1) {
-                        throw new Error('The segment '+ match +' is required.');
-                    }
-                    else {
-                        val = '';
-                    }
-                    return val;
-                };
-
-            if (! TOKENS.OS.trail) {
-                TOKENS.OS.trail = new RegExp('(?:'+ TOKENS.OS.id +')+$');
-            }
-
-            return pattern
-                        .replace(TOKENS.OS.rgx, TOKENS.OS.save)
-                        .replace(PARAMS_REGEXP, replaceFn)
-                        .replace(TOKENS.OS.trail, '') // remove trailing
-                        .replace(TOKENS.OS.rRestore, '/'); // add slash between segments
-        }
-
-        //API
-        return {
-            strict : function(){
-                _slashMode = STRICT_SLASH;
-            },
-            loose : function(){
-                _slashMode = LOOSE_SLASH;
-            },
-            legacy : function(){
-                _slashMode = LEGACY_SLASH;
-            },
-            getParamIds : getParamIds,
-            getOptionalParamsIds : getOptionalParamsIds,
-            getParamValues : getParamValues,
-            compilePattern : compilePattern,
-            interpolate : interpolate
-        };
-
-    }());
-
-
-    return crossroads;
-};
-
-if (typeof define === 'function' && define.amd) {
-    define(['signals'], factory);
-} else if (typeof module !== 'undefined' && module.exports) { //Node
-    module.exports = factory(require('signals'));
-} else {
-    /*jshint sub:true */
-    window['crossroads'] = factory(window['signals']);
-}
-
-}());
-

externals/dataTables.colResize.js

@@ -1,846 +0,0 @@
-/*! ColResize 0.0.10
- */
-
-/**
- * @summary     ColResize
- * @description Provide the ability to resize columns in a DataTable
- * @version     0.0.10
- * @file        dataTables.colResize.js
- * @author      Silvacom Ltd.
- *
- * For details please refer to: http://www.datatables.net
- *
- * Special thank to everyone who has contributed to this plug in
- * - dykstrad
- * - tdillan (for 0.0.3 and 0.0.5 bug fixes)
- * - kylealonius (for 0.0.8 bug fix)
- * - the86freak (for 0.0.9 bug fix)
- */
-
-(function (window, document, undefined) {
-
-    /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-     * DataTables plug-in API functions test
-     *
-     * This are required by ColResize in order to perform the tasks required, and also keep this
-     * code portable, to be used for other column resize projects with DataTables, if needed.
-     * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-    var factory = function ($, DataTable) {
-        "use strict";
-
-        /**
-         * Plug-in for DataTables which will resize the columns depending on the handle clicked
-         *  @method  $.fn.dataTableExt.oApi.fnColResize
-         *  @param   object oSettings DataTables settings object - automatically added by DataTables!
-         *  @param   int iCol Take the column to be resized
-         *  @returns void
-         */
-        $.fn.dataTableExt.oApi.fnColResize = function (oSettings, iCol) {
-            var v110 = $.fn.dataTable.Api ? true : false;
-
-            /*
-             * Update DataTables' event handlers
-             */
-
-            /* Fire an event so other plug-ins can update */
-            $(oSettings.oInstance).trigger('column-resize', [ oSettings, {
-                "iCol": iCol
-            } ]);
-        };
-
-        /**
-         * ColResize provides column resize control for DataTables
-         * @class ColResize
-         * @constructor
-         * @param {object} dt DataTables settings object
-         * @param {object} opts ColResize options
-         */
-        var ColResize = function (dt, opts) {
-            var oDTSettings;
-
-            if ($.fn.dataTable.Api) {
-                oDTSettings = new $.fn.dataTable.Api(dt).settings()[0];
-            }
-            // 1.9 compatibility
-            else if (dt.fnSettings) {
-                // DataTables object, convert to the settings object
-                oDTSettings = dt.fnSettings();
-            }
-            else if (typeof dt === 'string') {
-                // jQuery selector
-                if ($.fn.dataTable.fnIsDataTable($(dt)[0])) {
-                    oDTSettings = $(dt).eq(0).dataTable().fnSettings();
-                }
-            }
-            else if (dt.nodeName && dt.nodeName.toLowerCase() === 'table') {
-                // Table node
-                if ($.fn.dataTable.fnIsDataTable(dt.nodeName)) {
-                    oDTSettings = $(dt.nodeName).dataTable().fnSettings();
-                }
-            }
-            else if (dt instanceof jQuery) {
-                // jQuery object
-                if ($.fn.dataTable.fnIsDataTable(dt[0])) {
-                    oDTSettings = dt.eq(0).dataTable().fnSettings();
-                }
-            }
-            else {
-                // DataTables settings object
-                oDTSettings = dt;
-            }
-
-            // Convert from camelCase to Hungarian, just as DataTables does
-            if ($.fn.dataTable.camelToHungarian) {
-                $.fn.dataTable.camelToHungarian(ColResize.defaults, opts || {});
-            }
-
-
-            /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-             * Public class variables
-             * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-            /**
-             * @namespace Settings object which contains customizable information for ColResize instance
-             */
-            this.s = {
-                /**
-                 * DataTables settings object
-                 *  @property dt
-                 *  @type     Object
-                 *  @default  null
-                 */
-                "dt": null,
-
-                /**
-                 * Initialisation object used for this instance
-                 *  @property init
-                 *  @type     object
-                 *  @default  {}
-                 */
-                "init": $.extend(true, {}, ColResize.defaults, opts),
-
-                /**
-                 * @namespace Information used for the mouse drag
-                 */
-                "mouse": {
-                    "startX": -1,
-                    "startY": -1,
-                    "targetIndex": -1,
-                    "targetColumn": -1,
-                    "neighbourIndex": -1,
-                    "neighbourColumn": -1
-                },
-
-                /**
-                 * Status variable keeping track of mouse down status
-                 *  @property isMousedown
-                 *  @type     boolean
-                 *  @default  false
-                 */
-                "isMousedown": false
-            };
-
-
-            /**
-             * @namespace Common and useful DOM elements for the class instance
-             */
-            this.dom = {
-                /**
-                 * Resizing element (the one the mouse is resizing)
-                 *  @property resize
-                 *  @type     element
-                 *  @default  null
-                 */
-                "resizeCol": null,
-
-                /**
-                 * Resizing element neighbour (the column next to the one the mouse is resizing)
-                 * This is for fixed table resizing.
-                 *  @property resize
-                 *  @type     element
-                 *  @default  null
-                 */
-                "resizeColNeighbour": null,
-
-                /**
-                 *  Array of events to be restored, used for overriding existing events from other plugins for a time.
-                 *  @property restoreEvents
-                 *  @type     array
-                 *  @default  []
-                 */
-                "restoreEvents": []
-            };
-
-
-            /* Constructor logic */
-            this.s.dt = oDTSettings.oInstance.fnSettings();
-            this.s.dt._colResize = this;
-            this._fnConstruct();
-
-            /* Add destroy callback */
-            oDTSettings.oApi._fnCallbackReg(oDTSettings, 'aoDestroyCallback', $.proxy(this._fnDestroy, this), 'ColResize');
-
-            return this;
-        };
-
-
-        ColResize.prototype = {
-            /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-             * Public methods
-             * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-            /**
-             * Reset the column widths to the original widths that was detected on
-             * start up.
-             *  @return {this} Returns `this` for chaining.
-             *
-             *  @example
-             *    // DataTables initialisation with ColResize
-             *    var table = $('#example').dataTable( {
-             *        "sDom": 'Zlfrtip'
-             *    } );
-             *
-             *    // Add click event to a button to reset the ordering
-             *    $('#resetOrdering').click( function (e) {
-             *        e.preventDefault();
-             *        $.fn.dataTable.ColResize( table ).fnReset();
-             *    } );
-             */
-            "fnReset": function () {
-                var a = [];
-                for (var i = 0, iLen = this.s.dt.aoColumns.length; i < iLen; i++) {
-                    this.s.dt.aoColumns[i].width = this.s.dt.aoColumns[i]._ColResize_iOrigWidth;
-                }
-
-                this.s.dt.adjust().draw();
-
-                return this;
-            },
-
-
-            /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-             * Private methods (they are of course public in JS, but recommended as private)
-             * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-            /**
-             * Constructor logic
-             *  @method  _fnConstruct
-             *  @returns void
-             *  @private
-             */
-            "_fnConstruct": function () {
-                var that = this;
-                var iLen = that.s.dt.aoColumns.length;
-                var i;
-
-                that._fnSetupMouseListeners();
-
-                /* Add event handlers for the resize handles */
-                for (i = 0; i < iLen; i++) {
-                    /* Mark the original column width for later reference */
-                    this.s.dt.aoColumns[i]._ColResize_iOrigWidth = this.s.dt.aoColumns[i].width;
-                }
-
-                this._fnSetColumnIndexes();
-
-                /* State saving */
-                this.s.dt.oApi._fnCallbackReg( this.s.dt, 'aoStateSaveParams', function (oS, oData) {
-                    that._fnStateSave.call(that, oData);
-                }, "ColResize_State" );
-
-                // State loading
-                this._fnStateLoad();
-            },
-
-            /**
-             * @method  _fnStateSave
-             * @param   object oState DataTables state
-             * @private
-             */
-            "_fnStateSave": function (oState) {
-                this.s.dt.aoColumns.forEach(function(col, index) {
-                    oState.columns[index].width = col.sWidthOrig;
-                });
-            },
-
-            /**
-             * If state has been loaded, apply the saved widths to the columns
-             * @method  _fnStateLoad
-             * @private
-             */
-            "_fnStateLoad": function() {
-                var that = this,
-                    loadedState = this.s.dt.oLoadedState;
-                if (loadedState && loadedState.columns) {
-                    var colStates = loadedState.columns,
-                        currCols = this.s.dt.aoColumns;
-                    // Only apply the saved widths if the number of columns is the same.
-                    // Otherwise, we don't know if we're applying the width to the correct column.
-                    if (colStates.length > 0 && colStates.length === currCols.length) {
-                        colStates.forEach(function(state, index) {
-                            var col = that.s.dt.aoColumns[index];
-                            if (state.width) {
-                                col.sWidthOrig = col.sWidth = state.width;
-                            }
-                        });
-                    }
-                }
-            },
-
-            /**
-             * Remove events of type from obj add it to restoreEvents array to be restored at a later time
-             * @param until string flag when to restore the event
-             * @param obj Object to remove events from
-             * @param type type of event to remove
-             * @param namespace namespace of the event being removed
-             */
-            "_fnDelayEvents": function (until, obj, type, namespace) {
-                var that = this;
-                //Get the events for the object
-                var events = $._data($(obj).get(0), 'events');
-                $.each(events, function (i, o) {
-                    //If the event type matches
-                    if (i == type) {
-                        //Loop through the possible many events with that type
-                        $.each(o, function (k, v) {
-                            //Somehow it is possible for the event to be undefined make sure it is defined first
-                            if (v) {
-                                if (namespace) {
-                                    //Add the event to the array of events to be restored later
-                                    that.dom.restoreEvents.push({"until": until, "obj": obj, "type": v.type, "namespace": v.namespace, "handler": v.handler});
-                                    //If the namespace matches
-                                    if (v.namespace == namespace) {
-                                        //Turn off/unbind the event
-                                        $(obj).off(type + "." + namespace);
-                                    }
-                                } else {
-                                    //Add the event to the array of events to be restored later
-                                    that.dom.restoreEvents.push({"until": until, "obj": obj, "type": v.type, "namespace": null, "handler": v.handler});
-                                    //Turn off/unbind the event
-                                    $(obj).off(type);
-                                }
-                            }
-                        });
-                    }
-                });
-            },
-
-            /**
-             * Loop through restoreEvents array and restore the events on the elements provided
-             */
-            "_fnRestoreEvents": function (until) {
-                var that = this;
-                //Loop through the events to be restored
-                var i;
-                for (i = that.dom.restoreEvents.length; i--;) {
-                    if (that.dom.restoreEvents[i].until == undefined || that.dom.restoreEvents[i].until == null || that.dom.restoreEvents[i].until == until) {
-                        if (that.dom.restoreEvents[i].namespace) {
-                            //Turn on the event for the object provided
-                            $(that.dom.restoreEvents[i].obj).off(that.dom.restoreEvents[i].type + "." + that.dom.restoreEvents[i].namespace).on(that.dom.restoreEvents[i].type + "." + that.dom.restoreEvents[i].namespace, that.dom.restoreEvents[i].handler);
-                            that.dom.restoreEvents.splice(i, 1);
-                        } else {
-                            //Turn on the event for the object provided
-                            $(that.dom.restoreEvents[i].obj).off(that.dom.restoreEvents[i].type).on(that.dom.restoreEvents[i].type, that.dom.restoreEvents[i].handler);
-                            that.dom.restoreEvents.splice(i, 1);
-                        }
-                    }
-                }
-            },
-
-            /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-             * Mouse drop and drag
-             */
-
-            "_fnSetupMouseListeners":function() {
-                var that = this;
-                $(that.s.dt.nTableWrapper).off("mouseenter.ColResize").on("mouseenter.ColResize","th",function(e) {
-                    e.preventDefault();
-                    that._fnMouseEnter.call(that, e, this);
-                });
-                $(that.s.dt.nTableWrapper).off("mouseleave.ColResize").on("mouseleave.ColResize","th",function(e) {
-                    e.preventDefault();
-                    that._fnMouseLeave.call(that, e, this);
-                });
-            },
-
-            /**
-             * Add mouse listeners to the resize handle on TH element
-             *  @method  _fnMouseListener
-             *  @param   i Column index
-             *  @param   nTh TH resize handle element clicked on
-             *  @returns void
-             *  @private
-             */
-            "_fnMouseListener": function (i, nTh) {
-                var that = this;
-                $(nTh).off('mouseenter.ColResize').on('mouseenter.ColResize', function (e) {
-                    e.preventDefault();
-                    that._fnMouseEnter.call(that, e, nTh);
-                });
-                $(nTh).off('mouseleave.ColResize').on('mouseleave.ColResize', function (e) {
-                    e.preventDefault();
-                    that._fnMouseLeave.call(that, e, nTh);
-                });
-            },
-
-            /**
-             *
-             * @param e Mouse event
-             * @param nTh TH element that the mouse is over
-             */
-            "_fnMouseEnter": function (e, nTh) {
-                var that = this;
-                if(!that.s.isMousedown) {
-                    //Once the mouse has entered the cell add mouse move event to see if the mouse is over resize handle
-                    $(nTh).off('mousemove.ColResizeHandle').on('mousemove.ColResizeHandle', function (e) {
-                        e.preventDefault();
-                        that._fnResizeHandleCheck.call(that, e, nTh);
-                    });
-                }
-            },
-
-            /**
-             * Clear mouse events when the mouse has left the th
-             * @param e Mouse event
-             * @param nTh TH element that the mouse has just left
-             */
-            "_fnMouseLeave": function (e, nTh) {
-                //Once the mouse has left the TH make suure to remove the mouse move listener
-                $(nTh).off('mousemove.ColResizeHandle');
-            },
-
-            /**
-             * Mouse down on a TH element in the table header
-             *  @method  _fnMouseDown
-             *  @param   event e Mouse event
-             *  @param   element nTh TH element to be resized
-             *  @returns void
-             *  @private
-             */
-            "_fnMouseDown": function (e, nTh) {
-                var that = this;
-
-                that.s.isMousedown = true;
-
-                /* Store information about the mouse position */
-                var target = $(e.target).closest('th, td');
-                var offset = target.offset();
-
-                /* Store information about the mouse position for resize calculations in mouse move function */
-                this.s.mouse.startX = e.pageX;
-                this.s.mouse.startY = e.pageY;
-
-                //Store the indexes of the columns the mouse is down on
-                var idx = that.dom.resizeCol[0].cellIndex;
-                
-                // the last column has no 'right-side' neighbour
-                // with fixed this can make the table smaller
-               if (that.dom.resizeColNeighbour[0] === undefined){
-                    var idxNeighbour = 0;
-                } else {
-                    var idxNeighbour = that.dom.resizeColNeighbour[0].cellIndex;
-                }
-                
-               
-
-                if (idx === undefined) {
-                    return;
-                }
-
-                this.s.mouse.targetIndex = idx;
-                this.s.mouse.targetColumn = this.s.dt.aoColumns[ idx ];
-
-                this.s.mouse.neighbourIndex = idxNeighbour;
-                this.s.mouse.neighbourColumn = this.s.dt.aoColumns[ idxNeighbour ];
-
-                /* Add event handlers to the document */
-                $(document)
-                    .off('mousemove.ColResize').on('mousemove.ColResize', function (e) {
-                        that._fnMouseMove.call(that, e);
-                    })
-                    .off('mouseup.ColResize').on('mouseup.ColResize', function (e) {
-                        that._fnMouseUp.call(that, e);
-                    });
-            },
-
-            /**
-             * Deal with a mouse move event while dragging to resize a column
-             *  @method  _fnMouseMove
-             *  @param   e Mouse event
-             *  @returns void
-             *  @private
-             */
-            "_fnMouseMove": function (e) {
-                var that = this;
-
-                var offset = $(that.s.mouse.targetColumn.nTh).offset();
-                var relativeX = (e.pageX - offset.left);
-                var distFromLeft = relativeX;
-                var distFromRight = $(that.s.mouse.targetColumn.nTh).outerWidth() - relativeX - 1;
-
-                //Change in mouse x position
-                var dx = e.pageX - that.s.mouse.startX;
-                //Get the minimum width of the column (default minimum 10px)
-                var minColumnWidth = Math.max(parseInt($(that.s.mouse.targetColumn.nTh).css('min-width')), 10);
-                //Store the previous width of the column
-                var prevWidth = $(that.s.mouse.targetColumn.nTh).width();
-                //As long as the cursor is past the handle, resize the columns
-                if ((dx > 0 && distFromRight <= 0) || (dx < 0 && distFromRight >= 0)) {
-                    if (!that.s.init.tableWidthFixed) {
-                        //As long as the width is larger than the minimum
-                        var newColWidth = Math.max(minColumnWidth, prevWidth + dx);
-                        //Get the width difference (take into account the columns minimum width)
-                        var widthDiff = newColWidth - prevWidth;
-                        var colResizeIdx = parseInt(that.dom.resizeCol.attr("data-column-index"));
-                        //Set datatable column widths
-                        that.s.mouse.targetColumn.sWidthOrig = that.s.mouse.targetColumn.sWidth = that.s.mouse.targetColumn.width = newColWidth + "px";
-                        var domCols = $(that.s.dt.nTableWrapper).find("th[data-column-index='"+colResizeIdx+"']");
-                        //For each table expand the width by the same amount as the column
-                        //This accounts for other datatable plugins like FixedColumns
-                        domCols.parents("table").each(function() {
-                            if(!$(this).parent().hasClass("DTFC_LeftBodyLiner")) {
-                                var newWidth = $(this).width() + widthDiff;
-                                $(this).width(newWidth);
-                            } else {
-                                var newWidth =$(that.s.dt.nTableWrapper).find(".DTFC_LeftHeadWrapper").children("table").width();
-                                $(this).parents(".DTFC_LeftWrapper").width(newWidth);
-                                $(this).parent().width(newWidth+15);
-                                $(this).width(newWidth);
-                            }
-                        });
-                        //Apply the new width to the columns after the table has been resized
-                        domCols.width(that.s.mouse.targetColumn.width);
-                    } else {
-                        //A neighbour column must exist in order to resize a column in a table with a fixed width
-                        if (that.s.mouse.neighbourColumn) {
-                            //Get the minimum width of the neighbor column (default minimum 10px)
-                            var minColumnNeighbourWidth = Math.max(parseInt($(that.s.mouse.neighbourColumn.nTh).css('min-width')), 10);
-                            //Store the previous width of the neighbour column
-                            var prevNeighbourWidth = $(that.s.mouse.neighbourColumn.nTh).width();
-                            //As long as the width is larger than the minimum
-                            var newColWidth = Math.max(minColumnWidth, prevWidth + dx);
-                            var newColNeighbourWidth = Math.max(minColumnNeighbourWidth, prevNeighbourWidth - dx);
-                            //Get the width difference (take into account the columns minimum width)
-                            var widthDiff = newColWidth - prevWidth;
-                            var widthDiffNeighbour = newColNeighbourWidth - prevNeighbourWidth;
-                            //Get the column index for the column being changed
-                            var colResizeIdx = parseInt(that.dom.resizeCol.attr("data-column-index"));
-                            var neighbourColResizeIdx = parseInt(that.dom.resizeColNeighbour.attr("data-column-index"));
-                            //Set datatable column widths
-                            that.s.mouse.neighbourColumn.sWidthOrig = that.s.mouse.neighbourColumn.sWidth = that.s.mouse.neighbourColumn.width = newColNeighbourWidth + "px";
-                            that.s.mouse.targetColumn.sWidthOrig = that.s.mouse.targetColumn.sWidth = that.s.mouse.targetColumn.width = newColWidth + "px";
-                            //Get list of columns based on column index in all affected tables tables. This accounts for other plugins like FixedColumns
-                            var domNeighbourCols = $(that.s.dt.nTableWrapper).find("th[data-column-index='" + neighbourColResizeIdx + "']");
-                            var domCols = $(that.s.dt.nTableWrapper).find("th[data-column-index='" + colResizeIdx + "']");
-                            //If dx if positive (the width is getting larger) shrink the neighbour columns first
-                            if(dx>0) {
-                                domNeighbourCols.width(that.s.mouse.neighbourColumn.width);
-                                domCols.width(that.s.mouse.targetColumn.width);
-                            } else {
-                                //Apply the new width to the columns then to the neighbour columns
-                                domCols.width(that.s.mouse.targetColumn.width);
-                                domNeighbourCols.width(that.s.mouse.neighbourColumn.width);
-                            }
-                        }
-                    }
-                }
-                that.s.mouse.startX = e.pageX;
-            },
-
-            /**
-             * Check to see if the mouse is over the resize handle area
-             * @param e
-             * @param nTh
-             */
-            "_fnResizeHandleCheck": function (e, nTh) {
-                var that = this;
-
-                var offset = $(nTh).offset();
-                var relativeX = (e.pageX - offset.left);
-                var relativeY = (e.pageY - offset.top);
-                var distFromLeft = relativeX;
-                var distFromRight = $(nTh).outerWidth() - relativeX - 1;
-
-                var handleBuffer = this.s.init.handleWidth / 2;
-                var leftHandleOn = distFromLeft < handleBuffer;
-                var rightHandleOn = distFromRight < handleBuffer;
-
-                //If this is the first table cell
-                if ($(nTh).prev("th").length == 0) {
-                    if(this.s.init.rtl)
-                        rightHandleOn = false;
-                    else
-                        leftHandleOn = false;
-                }
-                //If this is the last cell and the table is fixed width don't let them expand the last cell directly
-                if ($(nTh).next("th").length == 0 && this.s.init.tableWidthFixed) {
-                    if(this.s.init.rtl)
-                        leftHandleOn = false;
-                    else
-                        rightHandleOn = false;
-                }
-
-                var resizeAvailable = leftHandleOn||rightHandleOn;
-
-                //If table is in right to left mode flip which TH is being resized
-                if (that.s.init.rtl) {
-                    //Handle is to the left
-                    if (leftHandleOn) {
-                        that.dom.resizeCol = $(nTh);
-                        that.dom.resizeColNeighbour = $(nTh).next();
-                    } else if (rightHandleOn) {
-                        that.dom.resizeCol = $(nTh).prev();
-                        that.dom.resizeColNeighbour = $(nTh);
-                    }
-                } else {
-                    //Handle is to the right
-                    if (rightHandleOn) {
-                        that.dom.resizeCol = $(nTh);
-                        that.dom.resizeColNeighbour = $(nTh).next();
-                    } else if (leftHandleOn) {
-                        that.dom.resizeCol = $(nTh).prev();
-                        that.dom.resizeColNeighbour = $(nTh);
-                    }
-                }
-
-                //If table width is fixed make sure both columns are resizable else just check the one.
-                if(this.s.init.tableWidthFixed)
-                    resizeAvailable &= this.s.init.exclude.indexOf(parseInt($(that.dom.resizeCol).attr("data-column-index"))) == -1 && this.s.init.exclude.indexOf(parseInt($(that.dom.resizeColNeighbour).attr("data-column-index"))) == -1;
-                else
-                    resizeAvailable &= this.s.init.exclude.indexOf(parseInt($(that.dom.resizeCol).attr("data-column-index"))) == -1;
-
-                $(nTh).off('mousedown.ColResize');
-                if (resizeAvailable) {
-                    $(nTh).css("cursor", "ew-resize");
-
-                    //Delay other mousedown events from the Reorder plugin
-                    that._fnDelayEvents(null, nTh, "mousedown", "ColReorder");
-                    that._fnDelayEvents("click", nTh, "click", "DT");
-
-                    $(nTh).off('mousedown.ColResize').on('mousedown.ColResize', function (e) {
-                        e.preventDefault();
-                        that._fnMouseDown.call(that, e, nTh);
-                    })
-                        .off('click.ColResize').on('click.ColResize', function (e) {
-                            that._fnClick.call(that, e);
-                        });
-                } else {
-                    $(nTh).css("cursor", "pointer");
-                    $(nTh).off('mousedown.ColResize click.ColResize');
-                    //Restore any events that were removed
-                    that._fnRestoreEvents();
-                    //This is to restore column sorting on click functionality
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-
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-                    if (!settings._colResize) {
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-                    return null;
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-        return ColResize;
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-
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-    // Node/CommonJS
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-case "first":i=j.sFirst;k=s+(d>0?"":" "+g.sPageButtonDisabled);break;case "previous":i=j.sPrevious;k=s+(d>0?"":" "+g.sPageButtonDisabled);break;case "next":i=j.sNext;k=s+(d<f-1?"":" "+g.sPageButtonDisabled);break;case "last":i=j.sLast;k=s+(d<f-1?"":" "+g.sPageButtonDisabled);break;default:i=s+1;k=d===s?g.sPageButtonActive:""}if(i){t=h("<a>",{"class":g.sPageButton+" "+k,"aria-controls":a.sTableId,"data-dt-idx":l,tabindex:a.iTabIndex,id:c===0&&typeof s==="string"?a.sTableId+"_"+s:null}).html(i).appendTo(b);
-Va(t,{action:s},u);l++}}}},n;try{n=h(Q.activeElement).data("dt-idx")}catch(r){}m(h(b).empty(),e);n&&h(b).find("[data-dt-idx="+n+"]").focus()}}});h.extend(m.ext.type.detect,[function(a,b){var c=b.oLanguage.sDecimal;return Za(a,c)?"num"+c:null},function(a){if(a&&!(a instanceof Date)&&(!ac.test(a)||!bc.test(a)))return null;var b=Date.parse(a);return null!==b&&!isNaN(b)||J(a)?"date":null},function(a,b){var c=b.oLanguage.sDecimal;return Za(a,c,!0)?"num-fmt"+c:null},function(a,b){var c=b.oLanguage.sDecimal;
-return Rb(a,c)?"html-num"+c:null},function(a,b){var c=b.oLanguage.sDecimal;return Rb(a,c,!0)?"html-num-fmt"+c:null},function(a){return J(a)||"string"===typeof a&&-1!==a.indexOf("<")?"html":null}]);h.extend(m.ext.type.search,{html:function(a){return J(a)?a:"string"===typeof a?a.replace(Ob," ").replace(Ba,""):""},string:function(a){return J(a)?a:"string"===typeof a?a.replace(Ob," "):a}});var Aa=function(a,b,c,e){if(0!==a&&(!a||"-"===a))return-Infinity;b&&(a=Qb(a,b));a.replace&&(c&&(a=a.replace(c,"")),
-e&&(a=a.replace(e,"")));return 1*a};h.extend(u.type.order,{"date-pre":function(a){return Date.parse(a)||0},"html-pre":function(a){return J(a)?"":a.replace?a.replace(/<.*?>/g,"").toLowerCase():a+""},"string-pre":function(a){return J(a)?"":"string"===typeof a?a.toLowerCase():!a.toString?"":a.toString()},"string-asc":function(a,b){return a<b?-1:a>b?1:0},"string-desc":function(a,b){return a<b?1:a>b?-1:0}});db("");h.extend(!0,m.ext.renderer,{header:{_:function(a,b,c,e){h(a.nTable).on("order.dt.DT",function(d,
-f,g,h){if(a===f){d=c.idx;b.removeClass(c.sSortingClass+" "+e.sSortAsc+" "+e.sSortDesc).addClass(h[d]=="asc"?e.sSortAsc:h[d]=="desc"?e.sSortDesc:c.sSortingClass)}})},jqueryui:function(a,b,c,e){h("<div/>").addClass(e.sSortJUIWrapper).append(b.contents()).append(h("<span/>").addClass(e.sSortIcon+" "+c.sSortingClassJUI)).appendTo(b);h(a.nTable).on("order.dt.DT",function(d,f,g,h){if(a===f){d=c.idx;b.removeClass(e.sSortAsc+" "+e.sSortDesc).addClass(h[d]=="asc"?e.sSortAsc:h[d]=="desc"?e.sSortDesc:c.sSortingClass);
-b.find("span."+e.sSortIcon).removeClass(e.sSortJUIAsc+" "+e.sSortJUIDesc+" "+e.sSortJUI+" "+e.sSortJUIAscAllowed+" "+e.sSortJUIDescAllowed).addClass(h[d]=="asc"?e.sSortJUIAsc:h[d]=="desc"?e.sSortJUIDesc:c.sSortingClassJUI)}})}}});m.render={number:function(a,b,c,e){return{display:function(d){if("number"!==typeof d&&"string"!==typeof d)return d;var f=0>d?"-":"",d=Math.abs(parseFloat(d)),g=parseInt(d,10),d=c?b+(d-g).toFixed(c).substring(2):"";return f+(e||"")+g.toString().replace(/\B(?=(\d{3})+(?!\d))/g,
-a)+d}}}};h.extend(m.ext.internal,{_fnExternApiFunc:Nb,_fnBuildAjax:ra,_fnAjaxUpdate:kb,_fnAjaxParameters:tb,_fnAjaxUpdateDraw:ub,_fnAjaxDataSrc:sa,_fnAddColumn:Fa,_fnColumnOptions:ka,_fnAdjustColumnSizing:X,_fnVisibleToColumnIndex:la,_fnColumnIndexToVisible:$,_fnVisbleColumns:aa,_fnGetColumns:Z,_fnColumnTypes:Ha,_fnApplyColumnDefs:ib,_fnHungarianMap:W,_fnCamelToHungarian:H,_fnLanguageCompat:P,_fnBrowserDetect:gb,_fnAddData:K,_fnAddTr:ma,_fnNodeToDataIndex:function(a,b){return b._DT_RowIndex!==k?b._DT_RowIndex:
-null},_fnNodeToColumnIndex:function(a,b,c){return h.inArray(c,a.aoData[b].anCells)},_fnGetCellData:x,_fnSetCellData:Ia,_fnSplitObjNotation:Ka,_fnGetObjectDataFn:R,_fnSetObjectDataFn:S,_fnGetDataMaster:La,_fnClearTable:oa,_fnDeleteIndex:pa,_fnInvalidate:ca,_fnGetRowElements:na,_fnCreateTr:Ja,_fnBuildHead:jb,_fnDrawHead:ea,_fnDraw:M,_fnReDraw:N,_fnAddOptionsHtml:mb,_fnDetectHeader:da,_fnGetUniqueThs:qa,_fnFeatureHtmlFilter:ob,_fnFilterComplete:fa,_fnFilterCustom:xb,_fnFilterColumn:wb,_fnFilter:vb,_fnFilterCreateSearch:Qa,
-_fnEscapeRegex:va,_fnFilterData:yb,_fnFeatureHtmlInfo:rb,_fnUpdateInfo:Bb,_fnInfoMacros:Cb,_fnInitialise:ga,_fnInitComplete:ta,_fnLengthChange:Ra,_fnFeatureHtmlLength:nb,_fnFeatureHtmlPaginate:sb,_fnPageChange:Ta,_fnFeatureHtmlProcessing:pb,_fnProcessingDisplay:C,_fnFeatureHtmlTable:qb,_fnScrollDraw:Y,_fnApplyToChildren:G,_fnCalculateColumnWidths:Ga,_fnThrottle:ua,_fnConvertToWidth:Db,_fnScrollingWidthAdjust:Fb,_fnGetWidestNode:Eb,_fnGetMaxLenString:Gb,_fnStringToCss:s,_fnScrollBarWidth:Hb,_fnSortFlatten:U,
-_fnSort:lb,_fnSortAria:Jb,_fnSortListener:Ua,_fnSortAttachListener:Oa,_fnSortingClasses:xa,_fnSortData:Ib,_fnSaveState:ya,_fnLoadState:Kb,_fnSettingsFromNode:za,_fnLog:I,_fnMap:E,_fnBindAction:Va,_fnCallbackReg:z,_fnCallbackFire:w,_fnLengthOverflow:Sa,_fnRenderer:Pa,_fnDataSource:B,_fnRowAttributes:Ma,_fnCalculateEnd:function(){}});h.fn.dataTable=m;h.fn.dataTableSettings=m.settings;h.fn.dataTableExt=m.ext;h.fn.DataTable=function(a){return h(this).dataTable(a).api()};h.each(m,function(a,b){h.fn.DataTable[a]=
-b});return h.fn.dataTable};"function"===typeof define&&define.amd?define("datatables",["jquery"],P):"object"===typeof exports?module.exports=P(require("jquery")):jQuery&&!jQuery.fn.dataTable&&P(jQuery)})(window,document);

images/CosmosDB-logo.svg

@@ -0,0 +1,22 @@
+<svg id="b089cfca-0de1-451c-a1ca-6680ea50cb4f"  xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 18 18">
+  <defs>
+    <radialGradient id="b25d0836-964a-4c84-8c20-855f66e8345e" cx="-105.006" cy="-10.409" r="5.954" gradientTransform="translate(117.739 19.644) scale(1.036 1.027)" gradientUnits="userSpaceOnUse">
+      <stop offset="0.183" stop-color="#5ea0ef"/>
+      <stop offset="1" stop-color="#0078d4"/>
+    </radialGradient>
+    <clipPath id="b36c7f5d-2ef1-4760-8a25-eeb9661f4e47">
+      <path d="M14.969,7.53A6.137,6.137,0,1,1,7.574,2.987,6.137,6.137,0,0,1,14.969,7.53Z" fill="none"/>
+    </clipPath>
+  </defs>
+  <title>Icon-databases-121</title>
+  <path d="M2.954,5.266a.175.175,0,0,1-.176-.176h0A2.012,2.012,0,0,0,.769,3.081a.176.176,0,0,1-.176-.175h0a.176.176,0,0,1,.176-.176A2.012,2.012,0,0,0,2.778.72.175.175,0,0,1,2.954.544h0A.175.175,0,0,1,3.13.72h0A2.012,2.012,0,0,0,5.139,2.729a.175.175,0,0,1,.176.176h0a.175.175,0,0,1-.176.176h0A2.011,2.011,0,0,0,3.13,5.09.177.177,0,0,1,2.954,5.266Z" fill="#50e6ff"/>
+  <path d="M15.611,17.456a.141.141,0,0,1-.141-.141h0a1.609,1.609,0,0,0-1.607-1.607.141.141,0,0,1-.141-.14h0a.141.141,0,0,1,.141-.141h0a1.608,1.608,0,0,0,1.607-1.607.141.141,0,0,1,.141-.141h0a.141.141,0,0,1,.141.141h0a1.608,1.608,0,0,0,1.607,1.607.141.141,0,1,1,0,.282h0a1.609,1.609,0,0,0-1.607,1.607A.141.141,0,0,1,15.611,17.456Z" fill="#50e6ff"/>
+  <g>
+    <path d="M14.969,7.53A6.137,6.137,0,1,1,7.574,2.987,6.137,6.137,0,0,1,14.969,7.53Z" fill="url(#b25d0836-964a-4c84-8c20-855f66e8345e)"/>
+    <g clip-path="url(#b36c7f5d-2ef1-4760-8a25-eeb9661f4e47)">
+      <path d="M5.709,13.115A1.638,1.638,0,1,0,5.714,9.84,1.307,1.307,0,0,0,5.721,9.7,1.651,1.651,0,0,0,4.06,8.064H2.832a6.251,6.251,0,0,0,1.595,5.051Z" fill="#f2f2f2"/>
+      <path d="M15.045,7.815c0-.015,0-.03-.007-.044a5.978,5.978,0,0,0-1.406-2.88,1.825,1.825,0,0,0-.289-.09,1.806,1.806,0,0,0-2.3,1.663,2,2,0,0,0-.2-.013,1.737,1.737,0,0,0-.581,3.374,1.451,1.451,0,0,0,.541.1h2.03A13.453,13.453,0,0,0,15.045,7.815Z" fill="#f2f2f2"/>
+    </g>
+  </g>
+  <path d="M17.191,3.832c-.629-1.047-2.1-1.455-4.155-1.149a14.606,14.606,0,0,0-2.082.452,6.456,6.456,0,0,1,1.528.767c.241-.053.483-.116.715-.151A7.49,7.49,0,0,1,14.3,3.662a2.188,2.188,0,0,1,1.959.725h0c.383.638.06,1.729-.886,3a16.723,16.723,0,0,1-4.749,4.051A16.758,16.758,0,0,1,4.8,13.7c-1.564.234-2.682,0-3.065-.636s-.06-1.73.886-2.995c.117-.157.146-.234.279-.392a6.252,6.252,0,0,1,.026-1.63A11.552,11.552,0,0,0,1.756,9.419C.517,11.076.181,12.566.809,13.613a3.165,3.165,0,0,0,2.9,1.249,8.434,8.434,0,0,0,1.251-.1,17.855,17.855,0,0,0,6.219-2.4,17.808,17.808,0,0,0,5.061-4.332C17.483,6.369,17.819,4.88,17.191,3.832Z" fill="#50e6ff"/>
+</svg>

less/documentDB.less

@@ -2349,6 +2349,12 @@ a:link {
     text-decoration: none;
 }
 
+.tabsContainer {
+    height: 100%;
+    width: 100%;
+    overflow: hidden;
+}
+
 .tabs {
     position: relative;
     margin: 15px 0 25px 0;

less/forms_ase.less

@@ -1,17 +0,0 @@
-@import "./Common/Constants";
-@import "./forms";
-
-.formTree {
-    border: 1px solid inherit;
-    color: inherit;
-    padding: 0px 12px 1px 8px;
-}
-
-.formTree:hover {
-    border: 1px solid inherit;
-    background-color: inherit;
-}
-
-.formTree:active {
-    border: 1px solid inherit;
-}

less/infobox.less

@@ -15,7 +15,7 @@
             .infoBoxMessage {
                 overflow: hidden;
                 text-overflow: ellipsis;
-                white-space: nowrap;
+                white-space: normal;
                 width: 320px;
                 padding-top: 2px;
                 color: @BaseHigh;

package.json

@@ -34,12 +34,12 @@
     "@nteract/transform-vega": "7.0.6",
     "@octokit/rest": "17.9.2",
     "@phosphor/widgets": "1.9.3",
-    "@uifabric/react-cards": "0.109.53",
-    "@uifabric/styling": "7.11.2",
+    "@uifabric/react-cards": "0.109.110",
+    "@uifabric/styling": "7.13.7",
     "abort-controller": "3.0.0",
     "applicationinsights": "1.8.0",
     "babel-polyfill": "6.26.0",
-    "bootstrap": "3.3.7",
+    "bootstrap": "3.4.1",
     "canvas": "2.6.0",
     "clean-webpack-plugin": "0.1.19",
     "copy-webpack-plugin": "6.0.2",
@@ -56,13 +56,13 @@
     "hasher": "1.2.0",
     "immutable": "4.0.0-rc.12",
     "is-ci": "2.0.0",
-    "jquery": "3.4.0",
+    "jquery": "3.5.1",
     "jquery-typeahead": "2.10.6",
     "jquery-ui-dist": "1.12.1",
     "knockout": "3.5.1",
     "monaco-editor": "0.15.6",
     "object.entries": "1.1.0",
-    "office-ui-fabric-react": "7.115.0",
+    "office-ui-fabric-react": "7.121.10",
     "plotly.js-cartesian-dist-min": "1.52.3",
     "promise-polyfill": "8.1.0",
     "promise.prototype.finally": "3.1.0",
@@ -109,7 +109,7 @@
     "@types/react-notification-system": "0.2.39",
     "@types/react-redux": "7.1.7",
     "@types/sinon": "2.3.3",
-    "@types/styled-components": "4.1.8",
+    "@types/styled-components": "5.1.1",
     "@types/text-encoding": "0.0.33",
     "@types/underscore": "1.7.36",
     "@types/webfontloader": "1.6.29",
@@ -156,7 +156,7 @@
     "ts-loader": "6.2.2",
     "tslint": "5.11.0",
     "tslint-microsoft-contrib": "6.0.0",
-    "typescript": "3.8.3",
+    "typescript": "3.9.6",
     "url-loader": "1.1.1",
     "webpack": "4.43.0",
     "webpack-bundle-analyzer": "3.6.1",

src/Bindings/BindingHandlersRegisterer.ts

@@ -1,11 +1,6 @@
 import * as ko from "knockout";
 import * as ReactBindingHandler from "./ReactBindingHandler";
 
-interface RestorePoint {
-  readonly element: JQuery;
-  readonly width: number;
-}
-
 export class BindingHandlersRegisterer {
   public static registerBindingHandlers() {
     ko.bindingHandlers.setTemplateReady = {
@@ -17,7 +12,7 @@ export class BindingHandlersRegisterer {
         bindingContext?: ko.BindingContext
       ) {
         const value = ko.unwrap(wrappedValueAccessor());
-        bindingContext.$data.isTemplateReady(value);
+        bindingContext?.$data.isTemplateReady(value);
       }
     } as ko.BindingHandler;
 

src/Common/Constants.ts

@@ -111,7 +111,6 @@ export class Features {
   public static readonly hostedDataExplorer = "hosteddataexplorerenabled";
   public static readonly enableTtl = "enablettl";
   public static readonly enableNotebooks = "enablenotebooks";
-  public static readonly enableGallery = "enablegallery";
   public static readonly enableGalleryPublish = "enablegallerypublish";
   public static readonly enableSpark = "enablespark";
   public static readonly livyEndpoint = "livyendpoint";
@@ -375,6 +374,8 @@ export class HttpStatusCodes {
 export class Urls {
   public static feedbackEmail = "https://aka.ms/cosmosdbfeedback?subject=Cosmos%20DB%20Data%20Explorer%20Feedback";
   public static autoscaleMigration = "https://aka.ms/cosmos-autoscale-migration";
+  public static freeTierInformation = "https://aka.ms/cosmos-free-tier";
+  public static cosmosPricing = "https://aka.ms/azure-cosmos-db-pricing";
 }
 
 export class HashRoutePrefixes {
@@ -444,6 +445,17 @@ export class KeyCodes {
   public static Tab: number = 9;
 }
 
+// Normalized per: https://www.w3.org/TR/uievents-key/#named-key-attribute-values
+export class NormalizedEventKey {
+  public static readonly Space = " ";
+  public static readonly Enter = "Enter";
+  public static readonly Escape = "Escape";
+  public static readonly UpArrow = "ArrowUp";
+  public static readonly DownArrow = "ArrowDown";
+  public static readonly LeftArrow = "ArrowLeft";
+  public static readonly RightArrow = "ArrowRight";
+}
+
 export class TryCosmosExperience {
   public static extendUrl: string = "https://trycosmosdb.azure.com/api/resource/extendportal?userId={0}";
   public static deleteUrl: string = "https://trycosmosdb.azure.com/api/resource/deleteportal?userId={0}";

src/Common/DataAccessUtilityBase.ts

@@ -447,7 +447,7 @@ export abstract class DataAccessUtilityBase {
         .database(databaseId)
         .container(collectionId)
         .read()
-        .then(response => response.resource)
+        .then(response => response.resource as DataModels.Collection)
     );
   }
 
@@ -577,7 +577,7 @@ export abstract class DataAccessUtilityBase {
             }
           );
         })
-        .then(containerResponse => containerResponse.resource)
+        .then(containerResponse => containerResponse.resource as DataModels.Collection)
         .finally(() => this.refreshCachedResources(options))
     );
   }

src/Common/Logger.ts

@@ -59,13 +59,13 @@ function _generateLogEntry(
   level: Diagnostics.LogEntryLevel,
   message: string,
   area: string,
-  code: number
+  code?: number
 ): Diagnostics.LogEntry {
   return {
     timestamp: new Date().getUTCSeconds(),
-    level: level,
-    message: message,
-    area: area,
-    code: code
+    level,
+    message,
+    area,
+    code
   };
 }

src/Config.ts

@@ -16,7 +16,6 @@ interface Config {
   ARM_API_VERSION: string;
   GRAPH_ENDPOINT: string;
   GRAPH_API_VERSION: string;
-  AZURESAMPLESCOSMOSDBPAT: string;
   ARCADIA_ENDPOINT: string;
   ARCADIA_LIVY_ENDPOINT_DNS_ZONE: string;
   BACKEND_ENDPOINT?: string;
@@ -44,8 +43,7 @@ let config: Config = {
   ARCADIA_ENDPOINT: "https://workspaceartifacts.projectarcadia.net",
   ARCADIA_LIVY_ENDPOINT_DNS_ZONE: "dev.azuresynapse.net",
   GITHUB_CLIENT_ID: "6cb2f63cf6f7b5cbdeca", // Registered OAuth app: https://github.com/settings/applications/1189306
-  JUNO_ENDPOINT: "https://tools.cosmos.azure.com",
-  AZURESAMPLESCOSMOSDBPAT: "99e38770e29b4a61d7c49f188780504efd35cc86" //[SuppressMessage("Microsoft.Security", "CS001:SecretInline", Justification="  // this PAT is a "no scopes" PAT with zero access to any projects, this is just used to get around the dev.github.com rate limit when accessing public samples repo.")]
+  JUNO_ENDPOINT: "https://tools.cosmos.azure.com"
 };
 
 // Injected for local develpment. These will be removed in the production bundle by webpack

src/Contracts/Diagnostics.ts

@@ -46,7 +46,7 @@ export interface LogEntry {
   /**
    * The message code.
    */
-  code: number;
+  code?: number;
   /**
    * Any additional data to be logged.
    */

src/Contracts/ViewModels.ts

@@ -22,6 +22,7 @@ import { QueryMetrics } from "@azure/cosmos";
 import { SetupNotebooksPane } from "../Explorer/Panes/SetupNotebooksPane";
 import { Splitter } from "../Common/Splitter";
 import { StringInputPane } from "../Explorer/Panes/StringInputPane";
+import { TabsManager } from "../Explorer/Tabs/TabsManager";
 import { TextFieldProps } from "../Explorer/Controls/DialogReactComponent/DialogComponent";
 import { UploadDetails } from "../workers/upload/definitions";
 import { UploadItemsPaneAdapter } from "../Explorer/Panes/UploadItemsPaneAdapter";
@@ -83,7 +84,6 @@ export interface Explorer {
   extensionEndpoint: ko.Observable<string>;
   armEndpoint: ko.Observable<string>;
   isFeatureEnabled: (feature: string) => boolean;
-  isGalleryEnabled: ko.Computed<boolean>;
   isGalleryPublishEnabled: ko.Computed<boolean>;
   isGitHubPaneEnabled: ko.Observable<boolean>;
   isPublishNotebookPaneEnabled: ko.Observable<boolean>;
@@ -122,9 +122,8 @@ export interface Explorer {
   isResourceTokenCollectionNodeSelected: ko.Computed<boolean>;
 
   // Tabs
-  openedTabs: ko.ObservableArray<Tab>;
-  activeTab: ko.Observable<Tab>;
   isTabsContentExpanded: ko.Observable<boolean>;
+  tabsManager: TabsManager;
 
   // Contextual Panes
   addDatabasePane: AddDatabasePane;
@@ -149,8 +148,6 @@ export interface Explorer {
   uploadFilePane: UploadFilePane;
   stringInputPane: StringInputPane;
   setupNotebooksPane: SetupNotebooksPane;
-  setupSparkClusterPane: ContextualPane;
-  manageSparkClusterPane: ContextualPane;
   libraryManagePane: ContextualPane;
   clusterLibraryPane: ContextualPane;
   gitHubReposPane: ContextualPane;
@@ -164,8 +161,6 @@ export interface Explorer {
   refreshDatabaseForResourceToken(): Q.Promise<void>;
   refreshAllDatabases(isInitialLoad?: boolean): Q.Promise<any>;
   closeAllPanes(): void;
-  closeAllTabsForResource(resourceId: string): void;
-  findActiveTab(): Tab; // TODO Deprecate in favor activeTab
   findSelectedDatabase(): Database;
   findDatabaseWithId(databaseRid: string): Database;
   isLastDatabase(): boolean;
@@ -224,13 +219,12 @@ export interface Explorer {
   sparkClusterConnectionInfo: ko.Observable<DataModels.SparkClusterConnectionInfo>;
   arcadiaToken: ko.Observable<string>;
   arcadiaWorkspaces: ko.ObservableArray<ArcadiaWorkspaceItem>;
-  isNotebookTabActive: ko.Computed<boolean>;
   memoryUsageInfo: ko.Observable<DataModels.MemoryUsageInfo>;
   notebookManager?: any; // This is dynamically loaded
   openNotebook(notebookContentItem: NotebookContentItem): Promise<boolean>; // True if it was opened, false otherwise
   resetNotebookWorkspace(): void;
   importAndOpen: (path: string) => Promise<boolean>;
-  importAndOpenFromGallery: (name: string, content: string) => Promise<boolean>;
+  importAndOpenContent: (name: string, content: string) => Promise<boolean>;
   publishNotebook: (name: string, content: string) => void;
   openNotebookTerminal: (kind: TerminalKind) => void;
   openGallery: (notebookUrl?: string, galleryItem?: IGalleryItem, isFavorite?: boolean) => void;
@@ -253,7 +247,6 @@ export interface Explorer {
   readFile: (notebookFile: NotebookContentItem) => Promise<string>;
   downloadFile: (notebookFile: NotebookContentItem) => Promise<void>;
   createNotebookContentItemFile: (name: string, filepath: string) => NotebookContentItem;
-  closeNotebookTab: (filepath: string) => void;
   refreshContentItem(item: NotebookContentItem): Promise<void>;
   getNotebookBasePath(): string;
 
@@ -384,7 +377,6 @@ export interface Database extends TreeNode {
   findCollectionWithId(collectionRid: string): Collection;
   openAddCollection(database: Database, event: MouseEvent): void;
   onDeleteDatabaseContextMenuClick(source: Database, event: MouseEvent | KeyboardEvent): void;
-  refreshTabSelectedState(): void;
   readSettings(): void;
   onSettingsClick: () => void;
 }
@@ -406,7 +398,6 @@ export interface CollectionBase extends TreeNode {
   onNewQueryClick(source: any, event: MouseEvent, queryText?: string): void;
   expandCollection(): Q.Promise<any>;
   collapseCollection(): void;
-  refreshActiveTab(): void;
   getDatabase(): Database;
 }
 
@@ -840,7 +831,6 @@ export interface TabOptions {
   onUpdateTabsButtons: (buttons: NavbarButtonConfig[]) => void;
   isTabsContentExpanded?: ko.Observable<boolean>;
   onLoadStartKey?: number;
-  openedTabs: Tab[];
 
   // TODO Remove the flag and use a context to handle this
   // TODO: 145357 Remove dependency on collection/database and add abstraction
@@ -934,14 +924,12 @@ export interface Tab {
   tabTitle: ko.Observable<string>;
   hashLocation: ko.Observable<string>;
   closeTabButton: Button;
-  onCloseTabButtonClick(): Q.Promise<any>;
+  onCloseTabButtonClick(): void;
   onTabClick(): Q.Promise<any>;
   onKeyPressActivate(source: any, event: KeyboardEvent): void;
   onKeyPressClose(source: any, event: KeyboardEvent): void;
   onActivate(): Q.Promise<any>;
   refresh(): void;
-  nextTab: ko.Observable<Tab>;
-  previousTab: ko.Observable<Tab>;
   closeButtonTabIndex: ko.Computed<number>;
   isExecutionError: ko.Observable<boolean>;
   isExecuting: ko.Observable<boolean>;

src/Controls/Heatmap/Heatmap.ts

@@ -198,7 +198,7 @@ export class Heatmap {
       let timeSelected: string = data.points[0].x;
       timeSelected = timeSelected.replace(" ", "T");
       timeSelected = `${timeSelected}Z`;
-      let xAxisIndex;
+      let xAxisIndex = 0;
       for (let i = 0; i < this._chartData.xAxisPoints.length; i++) {
         if (this._chartData.xAxisPoints[i] === timeSelected) {
           xAxisIndex = i;
@@ -234,7 +234,8 @@ export function handleMessage(event: MessageEvent) {
     return;
   }
   Plotly.purge(Heatmap.elementId);
-  document.getElementById(Heatmap.elementId).innerHTML = "";
+
+  document.getElementById(Heatmap.elementId)!.innerHTML = "";
   const data = event.data.data;
   const chartData: DataPayload = data.chartData;
   const chartSettings: HeatmapCaptions = data.chartSettings;
@@ -259,8 +260,8 @@ export function handleMessage(event: MessageEvent) {
       noDataMessageContent.classList.add("dark-theme");
     }
 
-    document.getElementById(Heatmap.elementId).appendChild(chartTitleElement);
-    document.getElementById(Heatmap.elementId).appendChild(noDataMessageElement);
+    document.getElementById(Heatmap.elementId)!.appendChild(chartTitleElement);
+    document.getElementById(Heatmap.elementId)!.appendChild(noDataMessageElement);
   }
 }
 

src/Explorer/ComponentRegisterer.test.ts

@@ -116,14 +116,6 @@ describe("Component Registerer", () => {
     expect(ko.components.isRegistered("setup-notebooks-pane")).toBe(true);
   });
 
-  it("should register setup-spark-cluster-pane component", () => {
-    expect(ko.components.isRegistered("setup-spark-cluster-pane")).toBe(true);
-  });
-
-  it("should register manage-spark-cluster-pane component", () => {
-    expect(ko.components.isRegistered("manage-spark-cluster-pane")).toBe(true);
-  });
-
   it("should register dynamic-list component", () => {
     expect(ko.components.isRegistered("dynamic-list")).toBe(true);
   });

src/Explorer/ComponentRegisterer.ts

@@ -10,6 +10,7 @@ import { GraphStyleComponent } from "./Graph/GraphStyleComponent/GraphStyleCompo
 import { InputTypeaheadComponent } from "./Controls/InputTypeahead/InputTypeahead";
 import { JsonEditorComponent } from "./Controls/JsonEditor/JsonEditorComponent";
 import { NewVertexComponent } from "./Graph/NewVertexComponent/NewVertexComponent";
+import { TabsManagerKOComponent } from "./Tabs/TabsManager";
 import { ThroughputInputComponent } from "./Controls/ThroughputInput/ThroughputInputComponent";
 import { ThroughputInputComponentAutoPilotV3 } from "./Controls/ThroughputInput/ThroughputInputComponentAutoPilotV3";
 import { ToolbarComponent } from "./Controls/Toolbar/Toolbar";
@@ -26,6 +27,7 @@ ko.components.register("diff-editor", new DiffEditorComponent());
 ko.components.register("dynamic-list", DynamicListComponent);
 ko.components.register("throughput-input", ThroughputInputComponent);
 ko.components.register("throughput-input-autopilot-v3", ThroughputInputComponentAutoPilotV3);
+ko.components.register("tabs-manager", TabsManagerKOComponent());
 
 // Collection Tabs
 ko.components.register("documents-tab", new TabComponents.DocumentsTab());
@@ -76,8 +78,6 @@ ko.components.register("browse-queries-pane", new PaneComponents.BrowseQueriesPa
 ko.components.register("upload-file-pane", new PaneComponents.UploadFilePaneComponent());
 ko.components.register("string-input-pane", new PaneComponents.StringInputPaneComponent());
 ko.components.register("setup-notebooks-pane", new PaneComponents.SetupNotebooksPaneComponent());
-ko.components.register("setup-spark-cluster-pane", new PaneComponents.SetupSparkClusterPaneComponent());
-ko.components.register("manage-spark-cluster-pane", new PaneComponents.ManageSparkClusterPaneComponent());
 ko.components.register("library-manage-pane", new PaneComponents.LibraryManagePaneComponent());
 ko.components.register("cluster-library-pane", new PaneComponents.ClusterLibraryPaneComponent());
 ko.components.register("github-repos-pane", new PaneComponents.GitHubReposPaneComponent());

src/Explorer/Controls/DialogReactComponent/DialogComponent.tsx

@@ -31,6 +31,8 @@ export interface DialogProps {
   onSecondaryButtonClick: () => void;
   primaryButtonDisabled?: boolean;
   type?: DialogType;
+  showCloseButton?: boolean;
+  onDismiss?: () => void;
 }
 
 const DIALOG_MIN_WIDTH = "400px";
@@ -55,7 +57,8 @@ export class DialogComponent extends React.Component<DialogProps, {}> {
           title: { fontSize: DIALOG_TITLE_FONT_SIZE, fontWeight: DIALOG_TITLE_FONT_WEIGHT },
           subText: { fontSize: DIALOG_SUBTEXT_FONT_SIZE }
         },
-        showCloseButton: false
+        showCloseButton: this.props.showCloseButton || false,
+        onDismiss: this.props.onDismiss
       },
       modalProps: { isBlocking: this.props.isModal },
       minWidth: DIALOG_MIN_WIDTH,

src/Explorer/Controls/Directory/__snapshots__/DirectoryListComponent.test.tsx.snap

@@ -84,6 +84,8 @@ exports[`test render renders with filters 1`] = `
             "elevation64": "0 25.6px 57.6px 0 rgba(0, 0, 0, 0.22), 0 4.8px 14.4px 0 rgba(0, 0, 0, 0.18)",
             "elevation8": "0 3.2px 7.2px 0 rgba(0, 0, 0, 0.132), 0 0.6px 1.8px 0 rgba(0, 0, 0, 0.108)",
             "roundedCorner2": "2px",
+            "roundedCorner4": "4px",
+            "roundedCorner6": "6px",
           },
           "fonts": Object {
             "large": Object {
@@ -421,6 +423,8 @@ exports[`test render renders with filters 1`] = `
                             "elevation64": "0 25.6px 57.6px 0 rgba(0, 0, 0, 0.22), 0 4.8px 14.4px 0 rgba(0, 0, 0, 0.18)",
                             "elevation8": "0 3.2px 7.2px 0 rgba(0, 0, 0, 0.132), 0 0.6px 1.8px 0 rgba(0, 0, 0, 0.108)",
                             "roundedCorner2": "2px",
+                            "roundedCorner4": "4px",
+                            "roundedCorner6": "6px",
                           },
                           "fonts": Object {
                             "large": Object {
@@ -812,6 +816,8 @@ exports[`test render renders with filters 1`] = `
                               "elevation64": "0 25.6px 57.6px 0 rgba(0, 0, 0, 0.22), 0 4.8px 14.4px 0 rgba(0, 0, 0, 0.18)",
                               "elevation8": "0 3.2px 7.2px 0 rgba(0, 0, 0, 0.132), 0 0.6px 1.8px 0 rgba(0, 0, 0, 0.108)",
                               "roundedCorner2": "2px",
+                              "roundedCorner4": "4px",
+                              "roundedCorner6": "6px",
                             },
                             "fonts": Object {
                               "large": Object {
@@ -1588,6 +1594,8 @@ exports[`test render renders with filters 1`] = `
                                 "elevation64": "0 25.6px 57.6px 0 rgba(0, 0, 0, 0.22), 0 4.8px 14.4px 0 rgba(0, 0, 0, 0.18)",
                                 "elevation8": "0 3.2px 7.2px 0 rgba(0, 0, 0, 0.132), 0 0.6px 1.8px 0 rgba(0, 0, 0, 0.108)",
                                 "roundedCorner2": "2px",
+                                "roundedCorner4": "4px",
+                                "roundedCorner6": "6px",
                               },
                               "fonts": Object {
                                 "large": Object {

src/Explorer/Controls/FeaturePanel/FeaturePanelComponent.tsx

@@ -48,7 +48,6 @@ export const FeaturePanelComponent: React.FunctionComponent = () => {
     { key: "feature.dataexplorerexecutesproc", label: "Execute stored procedure", value: "true" },
     { key: "feature.hosteddataexplorerenabled", label: "Hosted Data Explorer (deprecated?)", value: "true" },
     { key: "feature.enablettl", label: "Enable TTL", value: "true" },
-    { key: "feature.enablegallery", label: "Enable Notebook Gallery", value: "true" },
     { key: "feature.enablegallerypublish", label: "Enable Notebook Gallery Publishing", value: "true" },
     { key: "feature.canexceedmaximumvalue", label: "Can exceed max value", value: "true" },
     {

src/Explorer/Controls/FeaturePanel/__snapshots__/FeaturePanelComponent.test.tsx.snap

@@ -157,14 +157,14 @@ exports[`Feature panel renders all flags 1`] = `
         />
         <StyledCheckboxBase
           checked={false}
-          key="feature.enablegallery"
-          label="Enable Notebook Gallery"
+          key="feature.enablegallerypublish"
+          label="Enable Notebook Gallery Publishing"
           onChange={[Function]}
         />
         <StyledCheckboxBase
           checked={false}
-          key="feature.enablegallerypublish"
-          label="Enable Notebook Gallery Publishing"
+          key="feature.canexceedmaximumvalue"
+          label="Can exceed max value"
           onChange={[Function]}
         />
       </Stack>
@@ -172,12 +172,6 @@ exports[`Feature panel renders all flags 1`] = `
         className="checkboxRow"
         horizontalAlign="space-between"
       >
-        <StyledCheckboxBase
-          checked={false}
-          key="feature.canexceedmaximumvalue"
-          label="Can exceed max value"
-          onChange={[Function]}
-        />
         <StyledCheckboxBase
           checked={false}
           key="feature.enablefixedcollectionwithsharedthroughput"

src/Explorer/Controls/Header/GalleryHeaderComponent.tsx

@@ -0,0 +1,83 @@
+import * as React from "react";
+import { Stack, Text, Separator, FontIcon, CommandButton, FontWeights, ITextProps } from "office-ui-fabric-react";
+
+export class GalleryHeaderComponent extends React.Component {
+  private static readonly azureText = "Microsoft Azure";
+  private static readonly cosmosdbText = "Cosmos DB";
+  private static readonly galleryText = "Gallery";
+  private static readonly loginText = "Log in";
+  private static readonly openPortal = () => window.open("https://portal.azure.com", "_blank");
+  private static readonly openDataExplorer = () => (window.location.href = new URL("./", window.location.href).href);
+  private static readonly openGallery = () =>
+    (window.location.href = new URL("./galleryViewer.html", window.location.href).href);
+  private static readonly headerItemStyle: React.CSSProperties = {
+    color: "white"
+  };
+  private static readonly mainHeaderTextProps: ITextProps = {
+    style: GalleryHeaderComponent.headerItemStyle,
+    variant: "mediumPlus",
+    styles: {
+      root: {
+        fontWeight: FontWeights.semibold
+      }
+    }
+  };
+  private static readonly headerItemTextProps: ITextProps = { style: GalleryHeaderComponent.headerItemStyle };
+
+  private renderHeaderItem = (text: string, onClick: () => void, textProps: ITextProps): JSX.Element => {
+    return (
+      <CommandButton onClick={onClick} ariaLabel={text}>
+        <Text {...textProps}>{text}</Text>
+      </CommandButton>
+    );
+  };
+
+  public render(): JSX.Element {
+    return (
+      <Stack
+        tokens={{ childrenGap: 10 }}
+        horizontal
+        styles={{ root: { background: "#0078d4", paddingLeft: 20, paddingRight: 20 } }}
+        verticalAlign="center"
+      >
+        <Stack.Item>
+          {this.renderHeaderItem(
+            GalleryHeaderComponent.azureText,
+            GalleryHeaderComponent.openPortal,
+            GalleryHeaderComponent.mainHeaderTextProps
+          )}
+        </Stack.Item>
+        <Stack.Item>
+          <Separator vertical />
+        </Stack.Item>
+        <Stack.Item>
+          {this.renderHeaderItem(
+            GalleryHeaderComponent.cosmosdbText,
+            GalleryHeaderComponent.openDataExplorer,
+            GalleryHeaderComponent.headerItemTextProps
+          )}
+        </Stack.Item>
+        <Stack.Item>
+          <FontIcon style={GalleryHeaderComponent.headerItemStyle} iconName="ChevronRight" />
+        </Stack.Item>
+        <Stack.Item>
+          {this.renderHeaderItem(
+            GalleryHeaderComponent.galleryText,
+            GalleryHeaderComponent.openGallery,
+            GalleryHeaderComponent.headerItemTextProps
+          )}
+        </Stack.Item>
+        <Stack.Item grow>
+          <></>
+        </Stack.Item>
+        <Stack.Item>
+          {this.renderHeaderItem(
+            GalleryHeaderComponent.loginText,
+            GalleryHeaderComponent.openDataExplorer,
+            GalleryHeaderComponent.headerItemTextProps
+          )}
+        </Stack.Item>
+      </Stack>
+    );
+  }
+}

src/Explorer/Controls/NotebookGallery/Cards/CardStyleConstants.tsx

@@ -1,72 +0,0 @@
-import { FontWeights } from "@uifabric/styling";
-import { IIconStyles, ITextStyles } from "office-ui-fabric-react";
-
-export const siteTextStyles: ITextStyles = {
-  root: {
-    color: "#025F52",
-    fontWeight: FontWeights.semibold
-  }
-};
-
-export const descriptionTextStyles: ITextStyles = {
-  root: {
-    color: "#333333",
-    fontWeight: FontWeights.semibold
-  }
-};
-
-export const subtleHelpfulTextStyles: ITextStyles = {
-  root: {
-    color: "#ccc",
-    fontWeight: FontWeights.regular
-  }
-};
-
-export const iconButtonStyles: IIconStyles = {
-  root: {
-    marginLeft: "10px",
-    color: "#0078D4",
-    backgroundColor: "#FFF",
-    fontSize: 16,
-    fontWeight: FontWeights.regular,
-    display: "inline-block",
-    selectors: {
-      ":hover .ms-Button-icon": {
-        color: "#ccc"
-      }
-    }
-  }
-};
-
-export const iconStyles: IIconStyles = {
-  root: {
-    marginLeft: "10px",
-    color: "#0078D4",
-    backgroundColor: "#FFF",
-    fontSize: 16,
-    fontWeight: FontWeights.regular,
-    display: "inline-block"
-  }
-};
-
-export const mainHelpfulTextStyles: ITextStyles = {
-  root: {
-    color: "#000",
-    fontWeight: FontWeights.regular
-  }
-};
-
-export const subtleIconStyles: IIconStyles = {
-  root: {
-    color: "#ddd",
-    fontSize: 12,
-    fontWeight: FontWeights.regular
-  }
-};
-
-export const helpfulTextStyles: ITextStyles = {
-  root: {
-    color: "#333333",
-    fontWeight: FontWeights.regular
-  }
-};

src/Explorer/Controls/NotebookGallery/Cards/GalleryCardComponent.tsx

@@ -17,6 +17,7 @@ import {
 import * as React from "react";
 import { IGalleryItem } from "../../../../Juno/JunoClient";
 import { FileSystemUtil } from "../../../Notebook/FileSystemUtil";
+import CosmosDBLogo from "../../../../../images/CosmosDB-logo.svg";
 
 export interface GalleryCardComponentProps {
   data: IGalleryItem;
@@ -55,7 +56,11 @@ export class GalleryCardComponent extends React.Component<GalleryCardComponentPr
     return (
       <Card aria-label="Notebook Card" tokens={GalleryCardComponent.cardTokens} onClick={this.props.onClick}>
         <Card.Item>
-          <Persona text={this.props.data.author} secondaryText={dateString} />
+          <Persona
+            imageUrl={this.props.data.isSample && CosmosDBLogo}
+            text={this.props.data.author}
+            secondaryText={dateString}
+          />
         </Card.Item>
 
         <Card.Item fill>
@@ -89,15 +94,9 @@ export class GalleryCardComponent extends React.Component<GalleryCardComponentPr
         </Card.Section>
 
         <Card.Section horizontal styles={{ root: { alignItems: "flex-end" } }}>
-          <Text variant="tiny" styles={{ root: { color: "#ccc" } }}>
-            <Icon iconName="RedEye" styles={{ root: { verticalAlign: "middle" } }} /> {this.props.data.views}
-          </Text>
-          <Text variant="tiny" styles={{ root: { color: "#ccc" } }}>
-            <Icon iconName="Download" styles={{ root: { verticalAlign: "middle" } }} /> {this.props.data.downloads}
-          </Text>
-          <Text variant="tiny" styles={{ root: { color: "#ccc" } }}>
-            <Icon iconName="Heart" styles={{ root: { verticalAlign: "middle" } }} /> {this.props.data.favorites}
-          </Text>
+          {this.generateIconText("RedEye", this.props.data.views.toString())}
+          {this.generateIconText("Download", this.props.data.downloads.toString())}
+          {this.props.isFavorite !== undefined && this.generateIconText("Heart", this.props.data.favorites.toString())}
         </Card.Section>
 
         <Card.Item>
@@ -105,17 +104,18 @@ export class GalleryCardComponent extends React.Component<GalleryCardComponentPr
         </Card.Item>
 
         <Card.Section horizontal styles={{ root: { marginTop: 0 } }}>
-          {this.generateIconButtonWithTooltip(
-            this.props.isFavorite ? "HeartFill" : "Heart",
-            this.props.isFavorite ? "Unlike" : "Like",
-            this.props.isFavorite ? this.onUnfavoriteClick : this.onFavoriteClick
-          )}
+          {this.props.isFavorite !== undefined &&
+            this.generateIconButtonWithTooltip(
+              this.props.isFavorite ? "HeartFill" : "Heart",
+              this.props.isFavorite ? "Unlike" : "Like",
+              this.props.isFavorite ? this.onUnfavoriteClick : this.onFavoriteClick
+            )}
 
           {this.generateIconButtonWithTooltip("Download", "Download", this.onDownloadClick)}
 
           {this.props.showDelete && (
             <div style={{ width: "100%", textAlign: "right" }}>
-              {this.generateIconButtonWithTooltip("Delete", "Remove", this.props.onDeleteClick)}
+              {this.generateIconButtonWithTooltip("Delete", "Remove", this.onDeleteClick)}
             </div>
           )}
         </Card.Section>
@@ -123,6 +123,14 @@ export class GalleryCardComponent extends React.Component<GalleryCardComponentPr
     );
   }
 
+  private generateIconText = (iconName: string, text: string): JSX.Element => {
+    return (
+      <Text variant="tiny" styles={{ root: { color: "#ccc" } }}>
+        <Icon iconName={iconName} styles={{ root: { verticalAlign: "middle" } }} /> {text}
+      </Text>
+    );
+  };
+
   /*
    * Fluent UI doesn't support tooltips on IconButtons out of the box. In the meantime the recommendation is
    * to do the following (from https://developer.microsoft.com/en-us/fluentui#/controls/web/button)

src/Explorer/Controls/NotebookGallery/Cards/__snapshots__/GalleryCardComponent.test.tsx.snap

@@ -14,6 +14,7 @@ exports[`GalleryCardComponent renders 1`] = `
 >
   <CardItem>
     <StyledPersonaBase
+      imageUrl={false}
       secondaryText="Invalid Date"
       text="author"
     />
@@ -21,7 +22,7 @@ exports[`GalleryCardComponent renders 1`] = `
   <CardItem
     fill={true}
   >
-    <StyledImageBase
+    <Memo(StyledImageBase)
       alt="Notebook cover image"
       height={144}
       imageFit={2}
@@ -89,7 +90,7 @@ exports[`GalleryCardComponent renders 1`] = `
       }
       variant="tiny"
     >
-      <StyledIconBase
+      <Memo(StyledIconBase)
         iconName="RedEye"
         styles={
           Object {
@@ -112,7 +113,7 @@ exports[`GalleryCardComponent renders 1`] = `
       }
       variant="tiny"
     >
-      <StyledIconBase
+      <Memo(StyledIconBase)
         iconName="Download"
         styles={
           Object {
@@ -135,7 +136,7 @@ exports[`GalleryCardComponent renders 1`] = `
       }
       variant="tiny"
     >
-      <StyledIconBase
+      <Memo(StyledIconBase)
         iconName="Heart"
         styles={
           Object {
@@ -256,6 +257,7 @@ exports[`GalleryCardComponent renders 1`] = `
               "iconName": "Delete",
             }
           }
+          onClick={[Function]}
           title="Remove"
         />
       </StyledTooltipHostBase>

src/Explorer/Controls/NotebookGallery/GalleryViewerComponent.tsx

@@ -75,27 +75,10 @@ export class GalleryViewerComponent extends React.Component<GalleryViewerCompone
 
   private static readonly mostViewedText = "Most viewed";
   private static readonly mostDownloadedText = "Most downloaded";
-  private static readonly mostFavoritedText = "Most favorited";
+  private static readonly mostFavoritedText = "Most liked";
   private static readonly mostRecentText = "Most recent";
 
-  private static readonly sortingOptions: IDropdownOption[] = [
-    {
-      key: SortBy.MostViewed,
-      text: GalleryViewerComponent.mostViewedText
-    },
-    {
-      key: SortBy.MostDownloaded,
-      text: GalleryViewerComponent.mostDownloadedText
-    },
-    {
-      key: SortBy.MostFavorited,
-      text: GalleryViewerComponent.mostFavoritedText
-    },
-    {
-      key: SortBy.MostRecent,
-      text: GalleryViewerComponent.mostRecentText
-    }
-  ];
+  private readonly sortingOptions: IDropdownOption[];
 
   private sampleNotebooks: IGalleryItem[];
   private publicNotebooks: IGalleryItem[];
@@ -118,8 +101,29 @@ export class GalleryViewerComponent extends React.Component<GalleryViewerCompone
       dialogProps: undefined
     };
 
+    this.sortingOptions = [
+      {
+        key: SortBy.MostViewed,
+        text: GalleryViewerComponent.mostViewedText
+      },
+      {
+        key: SortBy.MostDownloaded,
+        text: GalleryViewerComponent.mostDownloadedText
+      },
+      {
+        key: SortBy.MostRecent,
+        text: GalleryViewerComponent.mostRecentText
+      }
+    ];
+    if (this.props.container?.isGalleryPublishEnabled()) {
+      this.sortingOptions.push({
+        key: SortBy.MostFavorited,
+        text: GalleryViewerComponent.mostFavoritedText
+      });
+    }
+
     this.loadTabContent(this.state.selectedTab, this.state.searchText, this.state.sortBy, false);
-    if (this.props.container) {
+    if (this.props.container?.isGalleryPublishEnabled()) {
       this.loadFavoriteNotebooks(this.state.searchText, this.state.sortBy, false); // Need this to show correct favorite button state
     }
   }
@@ -131,16 +135,10 @@ export class GalleryViewerComponent extends React.Component<GalleryViewerCompone
   public render(): JSX.Element {
     const tabs: GalleryTabInfo[] = [this.createTab(GalleryTab.OfficialSamples, this.state.sampleNotebooks)];
 
-    if (this.props.container) {
-      if (this.props.container.isGalleryPublishEnabled()) {
-        tabs.push(this.createTab(GalleryTab.PublicGallery, this.state.publicNotebooks));
-      }
-
+    if (this.props.container?.isGalleryPublishEnabled()) {
+      tabs.push(this.createTab(GalleryTab.PublicGallery, this.state.publicNotebooks));
       tabs.push(this.createTab(GalleryTab.Favorites, this.state.favoriteNotebooks));
-
-      if (this.props.container.isGalleryPublishEnabled()) {
-        tabs.push(this.createTab(GalleryTab.Published, this.state.publishedNotebooks));
-      }
+      tabs.push(this.createTab(GalleryTab.Published, this.state.publishedNotebooks));
     }
 
     const pivotProps: IPivotProps = {
@@ -189,11 +187,7 @@ export class GalleryViewerComponent extends React.Component<GalleryViewerCompone
             <Label>Sort by</Label>
           </Stack.Item>
           <Stack.Item styles={{ root: { minWidth: 200 } }}>
-            <Dropdown
-              options={GalleryViewerComponent.sortingOptions}
-              selectedKey={this.state.sortBy}
-              onChange={this.onDropdownChange}
-            />
+            <Dropdown options={this.sortingOptions} selectedKey={this.state.sortBy} onChange={this.onDropdownChange} />
           </Stack.Item>
         </Stack>
 
@@ -405,7 +399,10 @@ export class GalleryViewerComponent extends React.Component<GalleryViewerCompone
   };
 
   private onRenderCell = (data?: IGalleryItem): JSX.Element => {
-    const isFavorite = this.favoriteNotebooks?.find(item => item.id === data.id) !== undefined;
+    let isFavorite: boolean;
+    if (this.props.container?.isGalleryPublishEnabled()) {
+      isFavorite = this.favoriteNotebooks?.find(item => item.id === data.id) !== undefined;
+    }
     const props: GalleryCardComponentProps = {
       data,
       isFavorite,
@@ -434,7 +431,8 @@ export class GalleryViewerComponent extends React.Component<GalleryViewerCompone
         [GalleryUtils.NotebookViewerParams.GalleryItemId]: data.id
       });
 
-      window.open(`/notebookViewer.html?${params.toString()}`);
+      const location = new URL("./notebookViewer.html", window.location.href).href;
+      window.open(`${location}?${params.toString()}`);
     }
   };
 

src/Explorer/Controls/NotebookGallery/__snapshots__/GalleryViewerComponent.test.tsx.snap

@@ -67,10 +67,6 @@ exports[`GalleryViewerComponent renders 1`] = `
                     "key": 1,
                     "text": "Most downloaded",
                   },
-                  Object {
-                    "key": 2,
-                    "text": "Most favorited",
-                  },
                   Object {
                     "key": 3,
                     "text": "Most recent",

src/Explorer/Controls/NotebookViewer/NotebookMetadataComponent.tsx

@@ -44,11 +44,15 @@ export class NotebookMetadataComponent extends React.Component<NotebookMetadataC
             {FileSystemUtil.stripExtension(this.props.data.name, "ipynb")}
           </Text>
           <Text>
-            <IconButton
-              iconProps={{ iconName: this.props.isFavorite ? "HeartFill" : "Heart" }}
-              onClick={this.props.isFavorite ? this.props.onUnfavoriteClick : this.props.onFavoriteClick}
-            />
-            {this.props.data.favorites} likes
+            {this.props.isFavorite !== undefined && (
+              <>
+                <IconButton
+                  iconProps={{ iconName: this.props.isFavorite ? "HeartFill" : "Heart" }}
+                  onClick={this.props.isFavorite ? this.props.onUnfavoriteClick : this.props.onFavoriteClick}
+                />
+                {this.props.data.favorites} likes
+              </>
+            )}
           </Text>
           <PrimaryButton text={this.props.downloadButtonText} onClick={this.props.onDownloadClick} />
         </Stack>

src/Explorer/Controls/NotebookViewer/NotebookViewerComponent.less

@@ -6,21 +6,3 @@
   width: 100%;
   overflow-y: auto;
 }
-
-.downloadButton {
-    background-color: #0078D4;
-    color: @BaseLight;
-    cursor: pointer;
-    padding: 5px;
-    border: none;
-    text-align: left;
-    outline: none;
-    font-size: @mediumFontSize;
-    border-radius: 5px;
-    display: "inline-block";
-    margin: 10px;
-}
-
-.active, .downloadButton:hover {
-  color: @BaseMedium;
-}

src/Explorer/Controls/NotebookViewer/NotebookViewerComponent.tsx

@@ -26,6 +26,7 @@ export interface NotebookViewerComponentProps {
   galleryItem?: IGalleryItem;
   isFavorite?: boolean;
   backNavigationText: string;
+  hideInputs?: boolean;
   onBackClick: () => void;
   onTagClick: (tag: string) => void;
 }
@@ -129,7 +130,9 @@ export class NotebookViewerComponent extends React.Component<NotebookViewerCompo
           <></>
         )}
 
-        {this.notebookComponentBootstrapper.renderComponent(NotebookReadOnlyRenderer, { hideInputs: true })}
+        {this.notebookComponentBootstrapper.renderComponent(NotebookReadOnlyRenderer, {
+          hideInputs: this.props.hideInputs
+        })}
 
         {this.state.dialogProps && <DialogComponent {...this.state.dialogProps} />}
       </div>

src/Explorer/Controls/NotebookViewer/__snapshots__/NotebookMetadataComponent.test.tsx.snap

@@ -55,14 +55,14 @@ exports[`NotebookMetadataComponent renders liked notebook 1`] = `
       Invalid Date
     </Text>
     <Text>
-      <StyledIconBase
+      <Memo(StyledIconBase)
         iconName="RedEye"
       />
        
       0
     </Text>
     <Text>
-      <StyledIconBase
+      <Memo(StyledIconBase)
         iconName="Download"
       />
       0
@@ -154,14 +154,14 @@ exports[`NotebookMetadataComponent renders un-liked notebook 1`] = `
       Invalid Date
     </Text>
     <Text>
-      <StyledIconBase
+      <Memo(StyledIconBase)
         iconName="RedEye"
       />
        
       0
     </Text>
     <Text>
-      <StyledIconBase
+      <Memo(StyledIconBase)
         iconName="Download"
       />
       0

src/Explorer/Controls/RadioSwitchComponent/RadioSwitchComponent.less

@@ -0,0 +1,16 @@
+@import "../../../../less/Common/Constants.less";
+
+.radioSwitchComponent {
+  cursor: pointer;
+  display: flex;
+
+  &>span:nth-child(n+2) {
+    margin-left: 10px;
+  }
+
+  .caption {
+    color: @BaseDark;
+    padding-left: @SmallSpace;
+    vertical-align: top;
+  }
+}

src/Explorer/Controls/RadioSwitchComponent/RadioSwitchComponent.tsx

@@ -0,0 +1,51 @@
+/**
+ * Horizontal switch component
+ */
+
+import * as React from "react";
+import "./RadioSwitchComponent.less";
+import { Icon } from "office-ui-fabric-react/lib/Icon";
+import { NormalizedEventKey } from "../../../Common/Constants";
+
+export interface Choice {
+  key: string;
+  onSelect: () => void;
+  label: string;
+}
+
+export interface RadioSwitchComponentProps {
+  choices: Choice[];
+  selectedKey: string;
+  onSelectionKeyChange?: (newValue: string) => void;
+}
+
+export class RadioSwitchComponent extends React.Component<RadioSwitchComponentProps> {
+  public render(): JSX.Element {
+    return (
+      <div className="radioSwitchComponent">
+        {this.props.choices.map((choice: Choice) => (
+          <span
+            tabIndex={0}
+            key={choice.key}
+            onClick={() => this.onSelect(choice)}
+            onKeyPress={event => this.onKeyPress(event, choice)}
+          >
+            <Icon iconName={this.props.selectedKey === choice.key ? "RadioBtnOn" : "RadioBtnOff"} />
+            <span className="caption">{choice.label}</span>
+          </span>
+        ))}
+      </div>
+    );
+  }
+
+  private onSelect(choice: Choice): void {
+    this.props.onSelectionKeyChange && this.props.onSelectionKeyChange(choice.key);
+    choice.onSelect();
+  }
+
+  private onKeyPress(event: React.KeyboardEvent<HTMLSpanElement>, choice: Choice): void {
+    if (event.key === NormalizedEventKey.Enter || event.key === NormalizedEventKey.Space) {
+      this.onSelect(choice);
+    }
+  }
+}

src/Explorer/Controls/SmartUi/InputUtils.ts

@@ -0,0 +1,35 @@
+/* Utilities for validation */
+
+export const onValidateValueChange = (newValue: string, minValue?: number, maxValue?: number): number => {
+  let numericValue = parseInt(newValue);
+  if (!isNaN(numericValue) && isFinite(numericValue)) {
+    if (minValue !== undefined && numericValue < minValue) {
+      numericValue = minValue;
+    }
+    if (maxValue !== undefined && numericValue > maxValue) {
+      numericValue = maxValue;
+    }
+
+    return Math.floor(numericValue);
+  }
+
+  return undefined;
+};
+
+export const onIncrementValue = (newValue: string, step: number, max?: number): number => {
+  const numericValue = parseInt(newValue);
+  if (!isNaN(numericValue) && isFinite(numericValue)) {
+    const newValue = numericValue + step;
+    return max !== undefined ? Math.min(max, newValue) : newValue;
+  }
+  return undefined;
+};
+
+export const onDecrementValue = (newValue: string, step: number, min?: number): number => {
+  const numericValue = parseInt(newValue);
+  if (!isNaN(numericValue) && isFinite(numericValue)) {
+    const newValue = numericValue - step;
+    return min !== undefined ? Math.max(min, newValue) : newValue;
+  }
+  return undefined;
+};

src/Explorer/Controls/SmartUi/SmartUiComponent.less

@@ -0,0 +1,14 @@
+@import "../../../../less/Common/Constants.less";
+
+.widgetRendererContainer {
+  text-align: left;
+
+  .inputLabelContainer {
+    margin-bottom: 4px;
+
+    .inputLabel {
+      color: #393939;
+      font-weight: 600;
+    }
+  }
+}

src/Explorer/Controls/SmartUi/SmartUiComponent.test.tsx

@@ -0,0 +1,88 @@
+import React from "react";
+import { shallow } from "enzyme";
+import { SmartUiComponent, Descriptor, InputType } from "./SmartUiComponent";
+
+describe("SmartUiComponent", () => {
+  const exampleData: Descriptor = {
+    root: {
+      id: "root",
+      info: {
+        message: "Start at $24/mo per database",
+        link: {
+          href: "https://aka.ms/azure-cosmos-db-pricing",
+          text: "More Details"
+        }
+      },
+      children: [
+        {
+          id: "throughput",
+          input: {
+            label: "Throughput (input)",
+            dataFieldName: "throughput",
+            type: "number",
+            min: 400,
+            max: 500,
+            step: 10,
+            defaultValue: 400,
+            inputType: "spin"
+          }
+        },
+        {
+          id: "throughput2",
+          input: {
+            label: "Throughput (Slider)",
+            dataFieldName: "throughput2",
+            type: "number",
+            min: 400,
+            max: 500,
+            step: 10,
+            defaultValue: 400,
+            inputType: "slider"
+          }
+        },
+        {
+          id: "containerId",
+          input: {
+            label: "Container id",
+            dataFieldName: "containerId",
+            type: "string"
+          }
+        },
+        {
+          id: "analyticalStore",
+          input: {
+            label: "Analytical Store",
+            trueLabel: "Enabled",
+            falseLabel: "Disabled",
+            defaultValue: true,
+            dataFieldName: "analyticalStore",
+            type: "boolean"
+          }
+        },
+        {
+          id: "database",
+          input: {
+            label: "Database",
+            dataFieldName: "database",
+            type: "enum",
+            choices: [
+              { label: "Database 1", key: "db1", value: "database1" },
+              { label: "Database 2", key: "db2", value: "database2" },
+              { label: "Database 3", key: "db3", value: "database3" }
+            ],
+            defaultKey: "db2"
+          }
+        }
+      ]
+    }
+  };
+
+  const exampleCallbacks = (newValues: Map<string, InputType>): void => {
+    console.log("New values:", newValues);
+  };
+
+  it("should render", () => {
+    const wrapper = shallow(<SmartUiComponent descriptor={exampleData} onChange={exampleCallbacks} />);
+    expect(wrapper).toMatchSnapshot();
+  });
+});

src/Explorer/Controls/SmartUi/SmartUiComponent.tsx

@@ -0,0 +1,335 @@
+import * as React from "react";
+import { Position } from "office-ui-fabric-react/lib/utilities/positioning";
+import { Slider } from "office-ui-fabric-react/lib/Slider";
+import { SpinButton } from "office-ui-fabric-react/lib/SpinButton";
+import { Dropdown, IDropdownOption } from "office-ui-fabric-react/lib/Dropdown";
+import { TextField } from "office-ui-fabric-react/lib/TextField";
+import { Text } from "office-ui-fabric-react/lib/Text";
+import { InputType } from "../../Tables/Constants";
+import { RadioSwitchComponent } from "../RadioSwitchComponent/RadioSwitchComponent";
+import { Stack, IStackTokens } from "office-ui-fabric-react/lib/Stack";
+import { Link, MessageBar, MessageBarType } from "office-ui-fabric-react";
+
+import * as InputUtils from "./InputUtils";
+import "./SmartUiComponent.less";
+
+/**
+ * Generic UX renderer
+ * It takes:
+ * - a JSON object as data
+ * - a Map of callbacks
+ * - a descriptor of the UX.
+ */
+
+export type InputTypeValue = "number" | "string" | "boolean" | "enum";
+
+/* eslint-disable-next-line @typescript-eslint/no-explicit-any */
+export type EnumItem = { label: string; key: string; value: any };
+
+export type InputType = number | string | boolean | EnumItem;
+
+interface BaseInput {
+  label: string;
+  dataFieldName: string;
+  type: InputTypeValue;
+  placeholder?: string;
+}
+
+/**
+ * For now, this only supports integers
+ */
+export interface NumberInput extends BaseInput {
+  min?: number;
+  max?: number;
+  step: number;
+  defaultValue: number;
+  inputType: "spin" | "slider";
+}
+
+export interface BooleanInput extends BaseInput {
+  trueLabel: string;
+  falseLabel: string;
+  defaultValue: boolean;
+}
+
+export interface StringInput extends BaseInput {
+  defaultValue?: string;
+}
+
+export interface EnumInput extends BaseInput {
+  choices: EnumItem[];
+  defaultKey: string;
+}
+
+export interface Info {
+  message: string;
+  link?: {
+    href: string;
+    text: string;
+  };
+}
+
+export type AnyInput = NumberInput | BooleanInput | StringInput | EnumInput;
+
+export interface Node {
+  id: string;
+  info?: Info;
+  input?: AnyInput;
+  children?: Node[];
+}
+
+export interface Descriptor {
+  root: Node;
+}
+
+/************************** Component implementation starts here ************************************* */
+
+export interface SmartUiComponentProps {
+  descriptor: Descriptor;
+  onChange: (newValues: Map<string, InputType>) => void;
+}
+
+interface SmartUiComponentState {
+  currentValues: Map<string, InputType>;
+  errors: Map<string, string>;
+}
+
+export class SmartUiComponent extends React.Component<SmartUiComponentProps, SmartUiComponentState> {
+  private static readonly labelStyle = {
+    color: "#393939",
+    fontFamily: "wf_segoe-ui_normal, 'Segoe UI', 'Segoe WP', Tahoma, Arial, sans-serif",
+    fontSize: 12
+  };
+
+  constructor(props: SmartUiComponentProps) {
+    super(props);
+    this.state = {
+      currentValues: new Map(),
+      errors: new Map()
+    };
+  }
+
+  private renderInfo(info: Info): JSX.Element {
+    return (
+      <MessageBar>
+        {info.message}
+        <Link href={info.link.href} target="_blank">
+          {info.link.text}
+        </Link>
+      </MessageBar>
+    );
+  }
+
+  private onInputChange = (newValue: string | number | boolean, dataFieldName: string) => {
+    const { currentValues } = this.state;
+    currentValues.set(dataFieldName, newValue);
+    this.setState({ currentValues }, () => this.props.onChange(this.state.currentValues));
+  };
+
+  private renderStringInput(input: StringInput): JSX.Element {
+    return (
+      <div className="stringInputContainer">
+        <div>
+          <TextField
+            id={`${input.dataFieldName}-input`}
+            label={input.label}
+            type="text"
+            value={input.defaultValue}
+            placeholder={input.placeholder}
+            onChange={(_, newValue) => this.onInputChange(newValue, input.dataFieldName)}
+            styles={{
+              subComponentStyles: {
+                label: {
+                  root: {
+                    ...SmartUiComponent.labelStyle,
+                    fontWeight: 600
+                  }
+                }
+              }
+            }}
+          />
+        </div>
+      </div>
+    );
+  }
+
+  private clearError(dataFieldName: string): void {
+    const { errors } = this.state;
+    errors.delete(dataFieldName);
+    this.setState({ errors });
+  }
+
+  private onValidate = (value: string, min: number, max: number, dataFieldName: string): string => {
+    const newValue = InputUtils.onValidateValueChange(value, min, max);
+    if (newValue) {
+      this.onInputChange(newValue, dataFieldName);
+      this.clearError(dataFieldName);
+      return newValue.toString();
+    } else {
+      const { errors } = this.state;
+      errors.set(dataFieldName, `Invalid value ${value}: must be between ${min} and ${max}`);
+      this.setState({ errors });
+    }
+    return undefined;
+  };
+
+  private onIncrement = (value: string, step: number, max: number, dataFieldName: string): string => {
+    const newValue = InputUtils.onIncrementValue(value, step, max);
+    if (newValue) {
+      this.onInputChange(newValue, dataFieldName);
+      this.clearError(dataFieldName);
+      return newValue.toString();
+    }
+    return undefined;
+  };
+
+  private onDecrement = (value: string, step: number, min: number, dataFieldName: string): string => {
+    const newValue = InputUtils.onDecrementValue(value, step, min);
+    if (newValue) {
+      this.onInputChange(newValue, dataFieldName);
+      this.clearError(dataFieldName);
+      return newValue.toString();
+    }
+    return undefined;
+  };
+
+  private renderNumberInput(input: NumberInput): JSX.Element {
+    const { label, min, max, defaultValue, dataFieldName, step } = input;
+    const props = { label, min, max, ariaLabel: label, step };
+
+    if (input.inputType === "spin") {
+      return (
+        <div>
+          <SpinButton
+            {...props}
+            defaultValue={defaultValue.toString()}
+            onValidate={newValue => this.onValidate(newValue, min, max, dataFieldName)}
+            onIncrement={newValue => this.onIncrement(newValue, step, max, dataFieldName)}
+            onDecrement={newValue => this.onDecrement(newValue, step, min, dataFieldName)}
+            labelPosition={Position.top}
+            styles={{
+              label: {
+                ...SmartUiComponent.labelStyle,
+                fontWeight: 600
+              }
+            }}
+          />
+          {this.state.errors.has(dataFieldName) && (
+            <MessageBar messageBarType={MessageBarType.error}>Error: {this.state.errors.get(dataFieldName)}</MessageBar>
+          )}
+        </div>
+      );
+    } else if (input.inputType === "slider") {
+      return (
+        <Slider
+          // showValue={true}
+          // valueFormat={}
+          {...props}
+          defaultValue={defaultValue}
+          onChange={newValue => this.onInputChange(newValue, dataFieldName)}
+          styles={{
+            titleLabel: {
+              ...SmartUiComponent.labelStyle,
+              fontWeight: 600
+            },
+            valueLabel: SmartUiComponent.labelStyle
+          }}
+        />
+      );
+    } else {
+      return <>Unsupported number input type {input.inputType}</>;
+    }
+  }
+
+  private renderBooleanInput(input: BooleanInput): JSX.Element {
+    const { dataFieldName } = input;
+    return (
+      <div>
+        <div className="inputLabelContainer">
+          <Text variant="small" nowrap className="inputLabel">
+            {input.label}
+          </Text>
+        </div>
+        <RadioSwitchComponent
+          choices={[
+            {
+              label: input.falseLabel,
+              key: "false",
+              onSelect: () => this.onInputChange(false, dataFieldName)
+            },
+            {
+              label: input.trueLabel,
+              key: "true",
+              onSelect: () => this.onInputChange(true, dataFieldName)
+            }
+          ]}
+          selectedKey={
+            (this.state.currentValues.has(dataFieldName)
+            ? (this.state.currentValues.get(dataFieldName) as boolean)
+            : input.defaultValue)
+              ? "true"
+              : "false"
+          }
+        />
+      </div>
+    );
+  }
+
+  private renderEnumInput(input: EnumInput): JSX.Element {
+    const { label, defaultKey, dataFieldName, choices, placeholder } = input;
+    return (
+      <Dropdown
+        label={label}
+        selectedKey={
+          this.state.currentValues.has(dataFieldName)
+            ? (this.state.currentValues.get(dataFieldName) as string)
+            : defaultKey
+        }
+        onChange={(_, item: IDropdownOption) => this.onInputChange(item.key.toString(), dataFieldName)}
+        placeholder={placeholder}
+        options={choices.map(c => ({
+          key: c.key,
+          text: c.value
+        }))}
+        styles={{
+          label: {
+            ...SmartUiComponent.labelStyle,
+            fontWeight: 600
+          },
+          dropdown: SmartUiComponent.labelStyle
+        }}
+      />
+    );
+  }
+
+  private renderInput(input: AnyInput): JSX.Element {
+    switch (input.type) {
+      case "string":
+        return this.renderStringInput(input as StringInput);
+      case "number":
+        return this.renderNumberInput(input as NumberInput);
+      case "boolean":
+        return this.renderBooleanInput(input as BooleanInput);
+      case "enum":
+        return this.renderEnumInput(input as EnumInput);
+      default:
+        throw new Error(`Unknown input type: ${input.type}`);
+    }
+  }
+
+  private renderNode(node: Node): JSX.Element {
+    const containerStackTokens: IStackTokens = { childrenGap: 10 };
+
+    return (
+      <Stack tokens={containerStackTokens} className="widgetRendererContainer">
+        {node.info && this.renderInfo(node.info)}
+        {node.input && this.renderInput(node.input)}
+        {node.children && node.children.map(child => <div key={child.id}>{this.renderNode(child)}</div>)}
+      </Stack>
+    );
+  }
+
+  render(): JSX.Element {
+    return <>{this.renderNode(this.props.descriptor.root)}</>;
+  }
+}

src/Explorer/Controls/SmartUi/__snapshots__/SmartUiComponent.test.tsx.snap

@@ -0,0 +1,240 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`SmartUiComponent should render 1`] = `
+<Fragment>
+  <Stack
+    className="widgetRendererContainer"
+    tokens={
+      Object {
+        "childrenGap": 10,
+      }
+    }
+  >
+    <StyledMessageBarBase>
+      Start at $24/mo per database
+      <StyledLinkBase
+        href="https://aka.ms/azure-cosmos-db-pricing"
+        target="_blank"
+      >
+        More Details
+      </StyledLinkBase>
+    </StyledMessageBarBase>
+    <div
+      key="throughput"
+    >
+      <Stack
+        className="widgetRendererContainer"
+        tokens={
+          Object {
+            "childrenGap": 10,
+          }
+        }
+      >
+        <div>
+          <CustomizedSpinButton
+            ariaLabel="Throughput (input)"
+            decrementButtonIcon={
+              Object {
+                "iconName": "ChevronDownSmall",
+              }
+            }
+            defaultValue="400"
+            disabled={false}
+            incrementButtonIcon={
+              Object {
+                "iconName": "ChevronUpSmall",
+              }
+            }
+            label="Throughput (input)"
+            labelPosition={0}
+            max={500}
+            min={400}
+            onDecrement={[Function]}
+            onIncrement={[Function]}
+            onValidate={[Function]}
+            step={10}
+            styles={
+              Object {
+                "label": Object {
+                  "color": "#393939",
+                  "fontFamily": "wf_segoe-ui_normal, 'Segoe UI', 'Segoe WP', Tahoma, Arial, sans-serif",
+                  "fontSize": 12,
+                  "fontWeight": 600,
+                },
+              }
+            }
+          />
+        </div>
+      </Stack>
+    </div>
+    <div
+      key="throughput2"
+    >
+      <Stack
+        className="widgetRendererContainer"
+        tokens={
+          Object {
+            "childrenGap": 10,
+          }
+        }
+      >
+        <StyledSliderBase
+          ariaLabel="Throughput (Slider)"
+          defaultValue={400}
+          label="Throughput (Slider)"
+          max={500}
+          min={400}
+          onChange={[Function]}
+          step={10}
+          styles={
+            Object {
+              "titleLabel": Object {
+                "color": "#393939",
+                "fontFamily": "wf_segoe-ui_normal, 'Segoe UI', 'Segoe WP', Tahoma, Arial, sans-serif",
+                "fontSize": 12,
+                "fontWeight": 600,
+              },
+              "valueLabel": Object {
+                "color": "#393939",
+                "fontFamily": "wf_segoe-ui_normal, 'Segoe UI', 'Segoe WP', Tahoma, Arial, sans-serif",
+                "fontSize": 12,
+              },
+            }
+          }
+        />
+      </Stack>
+    </div>
+    <div
+      key="containerId"
+    >
+      <Stack
+        className="widgetRendererContainer"
+        tokens={
+          Object {
+            "childrenGap": 10,
+          }
+        }
+      >
+        <div
+          className="stringInputContainer"
+        >
+          <div>
+            <StyledTextFieldBase
+              id="containerId-input"
+              label="Container id"
+              onChange={[Function]}
+              styles={
+                Object {
+                  "subComponentStyles": Object {
+                    "label": Object {
+                      "root": Object {
+                        "color": "#393939",
+                        "fontFamily": "wf_segoe-ui_normal, 'Segoe UI', 'Segoe WP', Tahoma, Arial, sans-serif",
+                        "fontSize": 12,
+                        "fontWeight": 600,
+                      },
+                    },
+                  },
+                }
+              }
+              type="text"
+            />
+          </div>
+        </div>
+      </Stack>
+    </div>
+    <div
+      key="analyticalStore"
+    >
+      <Stack
+        className="widgetRendererContainer"
+        tokens={
+          Object {
+            "childrenGap": 10,
+          }
+        }
+      >
+        <div>
+          <div
+            className="inputLabelContainer"
+          >
+            <Text
+              className="inputLabel"
+              nowrap={true}
+              variant="small"
+            >
+              Analytical Store
+            </Text>
+          </div>
+          <RadioSwitchComponent
+            choices={
+              Array [
+                Object {
+                  "key": "false",
+                  "label": "Disabled",
+                  "onSelect": [Function],
+                },
+                Object {
+                  "key": "true",
+                  "label": "Enabled",
+                  "onSelect": [Function],
+                },
+              ]
+            }
+            selectedKey="true"
+          />
+        </div>
+      </Stack>
+    </div>
+    <div
+      key="database"
+    >
+      <Stack
+        className="widgetRendererContainer"
+        tokens={
+          Object {
+            "childrenGap": 10,
+          }
+        }
+      >
+        <StyledWithResponsiveMode
+          label="Database"
+          onChange={[Function]}
+          options={
+            Array [
+              Object {
+                "key": "db1",
+                "text": "database1",
+              },
+              Object {
+                "key": "db2",
+                "text": "database2",
+              },
+              Object {
+                "key": "db3",
+                "text": "database3",
+              },
+            ]
+          }
+          selectedKey="db2"
+          styles={
+            Object {
+              "dropdown": Object {
+                "color": "#393939",
+                "fontFamily": "wf_segoe-ui_normal, 'Segoe UI', 'Segoe WP', Tahoma, Arial, sans-serif",
+                "fontSize": 12,
+              },
+              "label": Object {
+                "color": "#393939",
+                "fontFamily": "wf_segoe-ui_normal, 'Segoe UI', 'Segoe WP', Tahoma, Arial, sans-serif",
+                "fontSize": 12,
+                "fontWeight": 600,
+              },
+            }
+          }
+        />
+      </Stack>
+    </div>
+  </Stack>
+</Fragment>
+`;

src/Explorer/Explorer.ts

@@ -55,7 +55,6 @@ import { IGalleryItem } from "../Juno/JunoClient";
 import { LibraryManagePane } from "./Panes/LibraryManagePane";
 import { LoadQueryPane } from "./Panes/LoadQueryPane";
 import * as Logger from "../Common/Logger";
-import { ManageSparkClusterPane } from "./Panes/ManageSparkClusterPane";
 import { MessageHandler } from "../Common/MessageHandler";
 import { NotebookContentItem, NotebookContentItemType } from "./Notebook/NotebookContentItem";
 import { NotebookUtil } from "./Notebook/NotebookUtil";
@@ -73,16 +72,17 @@ import { RouteHandler } from "../RouteHandlers/RouteHandler";
 import { SaveQueryPane } from "./Panes/SaveQueryPane";
 import { SettingsPane } from "./Panes/SettingsPane";
 import { SetupNotebooksPane } from "./Panes/SetupNotebooksPane";
-import { SetupSparkClusterPane } from "./Panes/SetupSparkClusterPane";
 import { SparkClusterManager } from "../SparkClusterManager/SparkClusterManager";
 import { SplashScreenComponentAdapter } from "./SplashScreen/SplashScreenComponentApdapter";
 import { Splitter, SplitterBounds, SplitterDirection } from "../Common/Splitter";
 import { StringInputPane } from "./Panes/StringInputPane";
 import { TableColumnOptionsPane } from "./Panes/Tables/TableColumnOptionsPane";
+import { TabsManager } from "./Tabs/TabsManager";
 import { UploadFilePane } from "./Panes/UploadFilePane";
 import { UploadItemsPane } from "./Panes/UploadItemsPane";
 import { UploadItemsPaneAdapter } from "./Panes/UploadItemsPaneAdapter";
 import { ReactAdapter } from "../Bindings/ReactBindingHandler";
+import { toRawContentUri, fromContentUri } from "../Utils/GitHubUtils";
 
 BindingHandlersRegisterer.registerBindingHandlers();
 // Hold a reference to ComponentRegisterer to prevent transpiler to ignore import
@@ -162,11 +162,10 @@ export default class Explorer implements ViewModels.Explorer {
   private resourceTreeForResourceToken: ResourceTreeAdapterForResourceToken;
 
   // Tabs
-  public openedTabs: ko.ObservableArray<ViewModels.Tab>;
-  public activeTab: ko.Observable<ViewModels.Tab>;
   public isTabsContentExpanded: ko.Observable<boolean>;
   public galleryTab: any;
   public notebookViewerTab: any;
+  public tabsManager: TabsManager;
 
   // Contextual panes
   public addDatabasePane: ViewModels.AddDatabasePane;
@@ -191,15 +190,12 @@ export default class Explorer implements ViewModels.Explorer {
   public uploadFilePane: UploadFilePane;
   public stringInputPane: StringInputPane;
   public setupNotebooksPane: SetupNotebooksPane;
-  public setupSparkClusterPane: ViewModels.ContextualPane;
-  public manageSparkClusterPane: ViewModels.ContextualPane;
   public libraryManagePane: ViewModels.ContextualPane;
   public clusterLibraryPane: ViewModels.ContextualPane;
   public gitHubReposPane: ViewModels.ContextualPane;
   public publishNotebookPaneAdapter: ReactAdapter;
 
   // features
-  public isGalleryEnabled: ko.Computed<boolean>;
   public isGalleryPublishEnabled: ko.Computed<boolean>;
   public isGitHubPaneEnabled: ko.Observable<boolean>;
   public isPublishNotebookPaneEnabled: ko.Observable<boolean>;
@@ -233,7 +229,6 @@ export default class Explorer implements ViewModels.Explorer {
   public arcadiaWorkspaces: ko.ObservableArray<ArcadiaWorkspaceItem>;
   public hasStorageAnalyticsAfecFeature: ko.Observable<boolean>;
   public isSynapseLinkUpdating: ko.Observable<boolean>;
-  public isNotebookTabActive: ko.Computed<boolean>;
   public memoryUsageInfo: ko.Observable<DataModels.MemoryUsageInfo>;
   public notebookManager?: any; // This is dynamically loaded
 
@@ -244,7 +239,10 @@ export default class Explorer implements ViewModels.Explorer {
   private _isInitializingSparkConnectionInfo: boolean;
   private notebookBasePath: ko.Observable<string>;
   private _arcadiaManager: ViewModels.ArcadiaResourceManager;
-  private _filePathToImportAndOpen: string;
+  private notebookToImport: {
+    name: string;
+    content: string;
+  };
 
   // React adapters
   private commandBarComponentAdapter: CommandBarComponentAdapter;
@@ -297,14 +295,10 @@ export default class Explorer implements ViewModels.Explorer {
     this.arcadiaToken = ko.observable<string>();
     this.arcadiaToken.subscribe((token: string) => {
       if (token) {
-        this.openedTabs &&
-          this.openedTabs().forEach(tab => {
-            if (tab.tabKind === ViewModels.CollectionTabKind.Notebook) {
-              throw new Error("NotebookTab is deprecated. Use NotebookV2Tab");
-            } else if (tab.tabKind === ViewModels.CollectionTabKind.NotebookV2) {
-              (tab as NotebookV2Tab).reconfigureServiceEndpoints();
-            }
-          });
+        const notebookTabs = this.tabsManager.getTabs(ViewModels.CollectionTabKind.NotebookV2);
+        (notebookTabs || []).forEach((tab: NotebookV2Tab) => {
+          tab.reconfigureServiceEndpoints();
+        });
       }
     });
     this.isNotebooksEnabledForAccount = ko.observable(false);
@@ -344,7 +338,7 @@ export default class Explorer implements ViewModels.Explorer {
               await this.initNotebooks(this.databaseAccount());
               const workspaces = await this._getArcadiaWorkspaces();
               this.arcadiaWorkspaces(workspaces);
-            } else if (this._filePathToImportAndOpen) {
+            } else if (this.notebookToImport) {
               // if notebooks is not enabled but the user is trying to do a quickstart setup with notebooks, open the SetupNotebooksPane
               this._openSetupNotebooksPaneForQuickstart();
             }
@@ -405,7 +399,6 @@ export default class Explorer implements ViewModels.Explorer {
     this.shouldShowShareDialogContents = ko.observable<boolean>(false);
     this.shouldShowDataAccessExpiryDialog = ko.observable<boolean>(false);
     this.shouldShowContextSwitchPrompt = ko.observable<boolean>(false);
-    this.isGalleryEnabled = ko.computed<boolean>(() => this.isFeatureEnabled(Constants.Features.enableGallery));
     this.isGalleryPublishEnabled = ko.computed<boolean>(() =>
       this.isFeatureEnabled(Constants.Features.enableGalleryPublish)
     );
@@ -757,22 +750,6 @@ export default class Explorer implements ViewModels.Explorer {
       container: this
     });
 
-    this.setupSparkClusterPane = new SetupSparkClusterPane({
-      documentClientUtility: this.documentClientUtility,
-      id: "setupsparkclusterpane",
-      visible: ko.observable<boolean>(false),
-
-      container: this
-    });
-
-    this.manageSparkClusterPane = new ManageSparkClusterPane({
-      documentClientUtility: this.documentClientUtility,
-      id: "managesparkclusterpane",
-      visible: ko.observable<boolean>(false),
-
-      container: this
-    });
-
     this.libraryManagePane = new LibraryManagePane({
       documentClientUtility: this.documentClientUtility,
       id: "libraryManagePane",
@@ -789,12 +766,8 @@ export default class Explorer implements ViewModels.Explorer {
       container: this
     });
 
-    this.openedTabs = ko.observableArray<ViewModels.Tab>([]);
-    this.activeTab = ko.observable(null);
-    this.isNotebookTabActive = ko.computed<boolean>(() => {
-      // only show memory tracker if the current active tab is a notebook
-      return this.activeTab() && this.activeTab().tabKind === ViewModels.CollectionTabKind.NotebookV2;
-    });
+    this.tabsManager = new TabsManager();
+
     this._panes = [
       this.addDatabasePane,
       this.addCollectionPane,
@@ -816,9 +789,7 @@ export default class Explorer implements ViewModels.Explorer {
       this.browseQueriesPane,
       this.uploadFilePane,
       this.stringInputPane,
-      this.setupNotebooksPane,
-      this.setupSparkClusterPane,
-      this.manageSparkClusterPane
+      this.setupNotebooksPane
     ];
     this.addDatabaseText.subscribe((addDatabaseText: string) => this.addDatabasePane.title(addDatabaseText));
     this.rebindDocumentClientUtility.bind(this);
@@ -1282,7 +1253,7 @@ export default class Explorer implements ViewModels.Explorer {
       class: "connectDialogButtons okBtn connectOkBtns",
       click: () => {
         $("#contextSwitchPrompt").dialog("close");
-        this.openedTabs([]); // clear all tabs so we dont leave any tabs from previous session open
+        this.tabsManager.closeTabs(); // clear all tabs so we dont leave any tabs from previous session open
         this.renewShareAccess(connectionString);
       }
     };
@@ -2110,10 +2081,6 @@ export default class Explorer implements ViewModels.Explorer {
     return Q();
   }
 
-  public findActiveTab(): ViewModels.Tab {
-    return this.activeTab();
-  }
-
   public findSelectedCollection(): ViewModels.Collection {
     if (this.selectedNode().nodeKind === "Collection") {
       return this.findSelectedCollectionForSelectedNode();
@@ -2126,11 +2093,9 @@ export default class Explorer implements ViewModels.Explorer {
   public findSelectedStoredProcedure(): ViewModels.StoredProcedure {
     const selectedCollection: ViewModels.Collection = this.findSelectedCollection();
     return _.find(selectedCollection.storedProcedures(), (storedProcedure: ViewModels.StoredProcedure) => {
-      const openedSprocTab = this.openedTabs().filter(
-        (tab: ViewModels.Tab) =>
-          tab.node &&
-          tab.node.rid === storedProcedure.rid &&
-          tab.tabKind === ViewModels.CollectionTabKind.StoredProcedures
+      const openedSprocTab = this.tabsManager.getTabs(
+        ViewModels.CollectionTabKind.StoredProcedures,
+        (tab: ViewModels.Tab) => tab.node && tab.node.rid === storedProcedure.rid
       );
       return (
         storedProcedure.rid === this.selectedNode().rid ||
@@ -2142,11 +2107,9 @@ export default class Explorer implements ViewModels.Explorer {
   public findSelectedUDF(): ViewModels.UserDefinedFunction {
     const selectedCollection: ViewModels.Collection = this.findSelectedCollection();
     return _.find(selectedCollection.userDefinedFunctions(), (userDefinedFunction: ViewModels.UserDefinedFunction) => {
-      const openedUdfTab = this.openedTabs().filter(
-        (tab: ViewModels.Tab) =>
-          tab.node &&
-          tab.node.rid === userDefinedFunction.rid &&
-          tab.tabKind === ViewModels.CollectionTabKind.UserDefinedFunctions
+      const openedUdfTab = this.tabsManager.getTabs(
+        ViewModels.CollectionTabKind.UserDefinedFunctions,
+        (tab: ViewModels.Tab) => tab.node && tab.node.rid === userDefinedFunction.rid
       );
       return (
         userDefinedFunction.rid === this.selectedNode().rid ||
@@ -2158,9 +2121,9 @@ export default class Explorer implements ViewModels.Explorer {
   public findSelectedTrigger(): ViewModels.Trigger {
     const selectedCollection: ViewModels.Collection = this.findSelectedCollection();
     return _.find(selectedCollection.triggers(), (trigger: ViewModels.Trigger) => {
-      const openedTriggerTab = this.openedTabs().filter(
-        (tab: ViewModels.Tab) =>
-          tab.node && tab.node.rid === trigger.rid && tab.tabKind === ViewModels.CollectionTabKind.Triggers
+      const openedTriggerTab = this.tabsManager.getTabs(
+        ViewModels.CollectionTabKind.Triggers,
+        (tab: ViewModels.Tab) => tab.node && tab.node.rid === trigger.rid
       );
       return (
         trigger.rid === this.selectedNode().rid ||
@@ -2169,16 +2132,6 @@ export default class Explorer implements ViewModels.Explorer {
     });
   }
 
-  public closeAllTabsForResource(resourceId: string): void {
-    const currentlyActiveTabs = this.openedTabs().filter((tab: ViewModels.Tab) => tab.isActive && tab.isActive());
-    currentlyActiveTabs.forEach((tab: ViewModels.Tab) => tab.isActive(false));
-    this.activeTab(null);
-    const openedTabsForResource = this.openedTabs().filter(
-      (tab: ViewModels.Tab) => tab.node && tab.node.rid === resourceId
-    );
-    openedTabsForResource.forEach((tab: ViewModels.Tab) => tab.onCloseTabButtonClick());
-  }
-
   public closeAllPanes(): void {
     this._panes.forEach((pane: ViewModels.ContextualPane) => pane.close());
   }
@@ -2255,7 +2208,9 @@ export default class Explorer implements ViewModels.Explorer {
           if (isNewDatabase) {
             database.expandDatabase();
           }
-          database.refreshTabSelectedState();
+          this.tabsManager.refreshActiveTab(
+            (tab: ViewModels.Tab) => tab.collection && tab.collection.getDatabase().rid === database.rid
+          );
         })
       );
     });
@@ -2358,7 +2313,7 @@ export default class Explorer implements ViewModels.Explorer {
     }
 
     const urlPrefixWithKeyParam: string = `${config.hostedExplorerURL}?key=`;
-    const currentActiveTab: ViewModels.Tab = this.findActiveTab();
+    const currentActiveTab: ViewModels.Tab = this.tabsManager.activeTab();
 
     return `${urlPrefixWithKeyParam}${token}#/${(currentActiveTab && currentActiveTab.hashLocation()) || ""}`;
   }
@@ -2490,10 +2445,6 @@ export default class Explorer implements ViewModels.Explorer {
     const parent = this.resourceTree.myNotebooksContentRoot;
 
     if (parent && parent.children && this.isNotebookEnabled() && this.notebookManager?.notebookClient) {
-      if (this._filePathToImportAndOpen === path) {
-        this._filePathToImportAndOpen = null; // we don't want to try opening this path again
-      }
-
       const existingItem = _.find(parent.children, node => node.name === name);
       if (existingItem) {
         return this.openNotebook(existingItem);
@@ -2504,24 +2455,27 @@ export default class Explorer implements ViewModels.Explorer {
       return this.openNotebook(uploadedItem);
     }
 
-    this._filePathToImportAndOpen = path; // we'll try opening this path later on
     return Promise.resolve(false);
   }
 
-  public async importAndOpenFromGallery(name: string, content: string): Promise<boolean> {
+  public async importAndOpenContent(name: string, content: string): Promise<boolean> {
     const parent = this.resourceTree.myNotebooksContentRoot;
 
     if (parent && parent.children && this.isNotebookEnabled() && this.notebookManager?.notebookClient) {
+      if (this.notebookToImport && this.notebookToImport.name === name && this.notebookToImport.content === content) {
+        this.notebookToImport = undefined; // we don't want to try opening this notebook again
+      }
+
       const existingItem = _.find(parent.children, node => node.name === name);
       if (existingItem) {
-        this.showOkModalDialog("Download failed", "Notebook with the same name already exists.");
-        return Promise.reject(false);
+        return this.openNotebook(existingItem);
       }
 
       const uploadedItem = await this.uploadFile(name, content, parent);
       return this.openNotebook(uploadedItem);
     }
 
+    this.notebookToImport = { name, content }; // we'll try opening this notebook later on
     return Promise.resolve(false);
   }
 
@@ -2621,46 +2575,48 @@ export default class Explorer implements ViewModels.Explorer {
     if (!notebookContentItem || !notebookContentItem.path) {
       throw new Error(`Invalid notebookContentItem: ${notebookContentItem}`);
     }
-    const openedNotebookTabs = this.getNotebookTabsForFilepath(notebookContentItem.path);
 
-    if (openedNotebookTabs.length > 0) {
-      openedNotebookTabs[0].onTabClick();
-      openedNotebookTabs[0].onActivate();
-      return true;
+    const notebookTabs: NotebookV2Tab[] = this.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.NotebookV2,
+      (tab: ViewModels.Tab) =>
+        (tab as NotebookV2Tab).notebookPath &&
+        FileSystemUtil.isPathEqual((tab as NotebookV2Tab).notebookPath(), notebookContentItem.path)
+    ) as NotebookV2Tab[];
+    let notebookTab: NotebookV2Tab = notebookTabs && notebookTabs[0];
+
+    if (notebookTab) {
+      this.tabsManager.activateTab(notebookTab);
+    } else {
+      const options: ViewModels.NotebookTabOptions = {
+        account: CosmosClient.databaseAccount(),
+        tabKind: ViewModels.CollectionTabKind.NotebookV2,
+        node: null,
+        title: notebookContentItem.name,
+        tabPath: notebookContentItem.path,
+        documentClientUtility: null,
+
+        collection: null,
+        selfLink: null,
+        masterKey: CosmosClient.masterKey() || "",
+        hashLocation: "notebooks",
+        isActive: ko.observable(false),
+        isTabsContentExpanded: ko.observable(true),
+        onLoadStartKey: null,
+        onUpdateTabsButtons: this.onUpdateTabsButtons,
+        container: this,
+        notebookContentItem
+      };
+
+      try {
+        const NotebookTabV2 = await import(/* webpackChunkName: "NotebookV2Tab" */ "./Tabs/NotebookV2Tab");
+        notebookTab = new NotebookTabV2.default(options);
+        this.tabsManager.activateNewTab(notebookTab);
+      } catch (reason) {
+        console.error("Import NotebookV2Tab failed!", reason);
+        return false;
+      }
     }
 
-    const options: ViewModels.NotebookTabOptions = {
-      account: CosmosClient.databaseAccount(),
-      tabKind: ViewModels.CollectionTabKind.NotebookV2,
-      node: null,
-      title: notebookContentItem.name,
-      tabPath: notebookContentItem.path,
-      documentClientUtility: null,
-
-      collection: null,
-      selfLink: null,
-      masterKey: CosmosClient.masterKey() || "",
-      hashLocation: "notebooks",
-      isActive: ko.observable(false),
-      isTabsContentExpanded: ko.observable(true),
-      onLoadStartKey: null,
-      onUpdateTabsButtons: this.onUpdateTabsButtons,
-      container: this,
-      notebookContentItem,
-      openedTabs: this.openedTabs()
-    };
-
-    try {
-      const NotebookTabV2 = await import(/* webpackChunkName: "NotebookV2Tab" */ "./Tabs/NotebookV2Tab");
-      const notebookTab = new NotebookTabV2.default(options);
-      this.openedTabs.push(notebookTab);
-
-      // Activate
-      notebookTab.onTabClick();
-    } catch (reason) {
-      console.error("Import NotebookV2Tab failed!", reason);
-      return false;
-    }
     return true;
   }
 
@@ -2673,10 +2629,11 @@ export default class Explorer implements ViewModels.Explorer {
     }
 
     // Don't delete if tab is open to avoid accidental deletion
-    const openedNotebookTabs = this.openedTabs().filter(
-      (tab: ViewModels.Tab) =>
-        tab.tabKind === ViewModels.CollectionTabKind.NotebookV2 &&
-        (tab as NotebookV2Tab).notebookPath() === notebookFile.path
+    const openedNotebookTabs = this.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.NotebookV2,
+      (tab: NotebookV2Tab) => {
+        return tab.notebookPath && FileSystemUtil.isPathEqual(tab.notebookPath(), notebookFile.path);
+      }
     );
     if (openedNotebookTabs.length > 0) {
       this.showOkModalDialog("Unable to rename file", "This file is being edited. Please close the tab and try again.");
@@ -2696,17 +2653,15 @@ export default class Explorer implements ViewModels.Explorer {
         onSubmit: (input: string) => this.notebookManager?.notebookContentClient.renameNotebook(notebookFile, input)
       })
       .then(newNotebookFile => {
-        this.openedTabs()
-          .filter(
-            (tab: ViewModels.Tab) =>
-              tab.tabKind === ViewModels.CollectionTabKind.NotebookV2 &&
-              FileSystemUtil.isPathEqual((tab as NotebookV2Tab).notebookPath(), originalPath)
-          )
-          .forEach(tab => {
-            tab.tabTitle(newNotebookFile.name);
-            tab.tabPath(newNotebookFile.path);
-            (tab as NotebookV2Tab).notebookPath(newNotebookFile.path);
-          });
+        const notebookTabs: ViewModels.Tab[] = this.tabsManager.getTabs(
+          ViewModels.CollectionTabKind.NotebookV2,
+          (tab: NotebookV2Tab) => tab.notebookPath && FileSystemUtil.isPathEqual(tab.notebookPath(), originalPath)
+        );
+        notebookTabs.forEach(tab => {
+          tab.tabTitle(newNotebookFile.name);
+          tab.tabPath(newNotebookFile.path);
+          (tab as NotebookV2Tab).notebookPath(newNotebookFile.path);
+        });
 
         return newNotebookFile;
       });
@@ -2886,39 +2841,34 @@ export default class Explorer implements ViewModels.Explorer {
       await this.initSparkConnectionInfo(this.databaseAccount());
     }
 
-    const openedSparkMasterTabs = this.openedTabs().filter(
-      (tab: ViewModels.Tab) => tab.tabKind === ViewModels.CollectionTabKind.SparkMasterTab
-    );
-    if (openedSparkMasterTabs.length > 0) {
-      openedSparkMasterTabs[0].onTabClick();
-      openedSparkMasterTabs[0].onActivate();
-      return;
+    const sparkMasterTabs: SparkMasterTab[] = this.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.SparkMasterTab
+    ) as SparkMasterTab[];
+    let sparkMasterTab: SparkMasterTab = sparkMasterTabs && sparkMasterTabs[0];
+
+    if (sparkMasterTab) {
+      this.tabsManager.activateTab(sparkMasterTab);
+    } else {
+      sparkMasterTab = new SparkMasterTab({
+        clusterConnectionInfo: this.sparkClusterConnectionInfo(),
+        tabKind: ViewModels.CollectionTabKind.SparkMasterTab,
+        node: null,
+        title: "Apache Spark",
+        tabPath: "",
+        documentClientUtility: null,
+
+        collection: null,
+        selfLink: null,
+        hashLocation: "sparkmaster",
+        isActive: ko.observable(false),
+        isTabsContentExpanded: ko.observable(true),
+        onLoadStartKey: null,
+        onUpdateTabsButtons: this.onUpdateTabsButtons,
+        container: this
+      });
+
+      this.tabsManager.activateNewTab(sparkMasterTab);
     }
-
-    const sparkMasterTab = new SparkMasterTab({
-      clusterConnectionInfo: this.sparkClusterConnectionInfo(),
-      tabKind: ViewModels.CollectionTabKind.SparkMasterTab,
-      node: null,
-      title: "Apache Spark",
-      tabPath: "",
-      documentClientUtility: null,
-
-      collection: null,
-      selfLink: null,
-      hashLocation: "sparkmaster",
-      isActive: ko.observable(false),
-      isTabsContentExpanded: ko.observable(true),
-      onLoadStartKey: null,
-      onUpdateTabsButtons: this.onUpdateTabsButtons,
-      openedTabs: this.openedTabs(),
-      container: this
-    });
-
-    this.openedTabs.push(sparkMasterTab);
-
-    // Activate
-    sparkMasterTab.onTabClick();
-    return;
   }
 
   private refreshNotebookList = async (): Promise<void> => {
@@ -2927,8 +2877,8 @@ export default class Explorer implements ViewModels.Explorer {
     }
 
     await this.resourceTree.initialize();
-    if (this._filePathToImportAndOpen) {
-      this.importAndOpen(this._filePathToImportAndOpen);
+    if (this.notebookToImport) {
+      this.importAndOpenContent(this.notebookToImport.name, this.notebookToImport.content);
     }
   };
 
@@ -2941,9 +2891,11 @@ export default class Explorer implements ViewModels.Explorer {
     }
 
     // Don't delete if tab is open to avoid accidental deletion
-    const openedNotebookTabs = this.openedTabs().filter(
-      (tab: ViewModels.Tab) =>
-        tab.tabKind === ViewModels.CollectionTabKind.NotebookV2 && (tab as NotebookV2Tab).notebookPath() === item.path
+    const openedNotebookTabs = this.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.NotebookV2,
+      (tab: NotebookV2Tab) => {
+        return tab.notebookPath && FileSystemUtil.isPathEqual(tab.notebookPath(), item.path);
+      }
     );
     if (openedNotebookTabs.length > 0) {
       this.showOkModalDialog("Unable to delete file", "This file is being edited. Please close the tab and try again.");
@@ -3105,94 +3057,79 @@ export default class Explorer implements ViewModels.Explorer {
         throw new Error("Terminal kind: ${kind} not supported");
     }
 
-    const openedTabs = this.openedTabs().filter(
-      (tab: ViewModels.Tab) => tab.tabKind === ViewModels.CollectionTabKind.Terminal
-    );
+    const terminalTabs: TerminalTab[] = this.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.Terminal,
+      (tab: ViewModels.Tab) => tab.hashLocation() == hashLocation
+    ) as TerminalTab[];
+    let terminalTab: TerminalTab = terminalTabs && terminalTabs[0];
 
-    for (let i = 0; i < openedTabs.length; ++i) {
-      if (openedTabs[i].hashLocation() == hashLocation) {
-        openedTabs[i].onTabClick();
-        openedTabs[i].onActivate();
-        return;
-      }
+    if (terminalTab) {
+      this.tabsManager.activateTab(terminalTab);
+    } else {
+      const newTab = new TerminalTab({
+        account: CosmosClient.databaseAccount(),
+        tabKind: ViewModels.CollectionTabKind.Terminal,
+        node: null,
+        title: title,
+        tabPath: title,
+        documentClientUtility: null,
+
+        collection: null,
+        selfLink: null,
+        hashLocation: hashLocation,
+        isActive: ko.observable(false),
+        isTabsContentExpanded: ko.observable(true),
+        onLoadStartKey: null,
+        onUpdateTabsButtons: this.onUpdateTabsButtons,
+        container: this,
+        kind: kind
+      });
+
+      this.tabsManager.activateNewTab(newTab);
     }
-
-    const newTab = new TerminalTab({
-      account: CosmosClient.databaseAccount(),
-      tabKind: ViewModels.CollectionTabKind.Terminal,
-      node: null,
-      title: title,
-      tabPath: title,
-      documentClientUtility: null,
-
-      collection: null,
-      selfLink: null,
-      hashLocation: hashLocation,
-      isActive: ko.observable(false),
-      isTabsContentExpanded: ko.observable(true),
-      onLoadStartKey: null,
-      onUpdateTabsButtons: this.onUpdateTabsButtons,
-      container: this,
-      openedTabs: this.openedTabs(),
-      kind: kind
-    });
-
-    this.openedTabs.push(newTab);
-
-    // Activate
-    newTab.onTabClick();
   }
 
   public async openGallery(notebookUrl?: string, galleryItem?: IGalleryItem, isFavorite?: boolean) {
-    let title: string;
-    let hashLocation: string;
+    let title: string = "Gallery";
+    let hashLocation: string = "gallery";
 
-    title = "Gallery";
-    hashLocation = "gallery";
-
-    const openedTabs = this.openedTabs().filter(
-      (tab: ViewModels.Tab) => tab.tabKind === ViewModels.CollectionTabKind.Gallery
+    const galleryTabs = this.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.Gallery,
+      (tab: ViewModels.Tab) => tab.hashLocation() == hashLocation
     );
+    let galleryTab = galleryTabs && galleryTabs[0];
 
-    for (let i = 0; i < openedTabs.length; ++i) {
-      if (openedTabs[i].hashLocation() == hashLocation) {
-        openedTabs[i].onTabClick();
-        openedTabs[i].onActivate();
-        (openedTabs[i] as any).updateGalleryParams(notebookUrl, galleryItem, isFavorite);
-        return;
+    if (galleryTab) {
+      this.tabsManager.activateTab(galleryTab);
+      (galleryTab as any).updateGalleryParams(notebookUrl, galleryItem, isFavorite);
+    } else {
+      if (!this.galleryTab) {
+        this.galleryTab = await import(/* webpackChunkName: "GalleryTab" */ "./Tabs/GalleryTab");
       }
+
+      const newTab = new this.galleryTab.default({
+        // GalleryTabOptions
+        account: CosmosClient.databaseAccount(),
+        container: this,
+        junoClient: this.notebookManager?.junoClient,
+        notebookUrl,
+        galleryItem,
+        isFavorite,
+        // TabOptions
+        tabKind: ViewModels.CollectionTabKind.Gallery,
+        title: title,
+        tabPath: title,
+        documentClientUtility: null,
+        selfLink: null,
+        isActive: ko.observable(false),
+        hashLocation: hashLocation,
+        onUpdateTabsButtons: this.onUpdateTabsButtons,
+        isTabsContentExpanded: ko.observable(true),
+        onLoadStartKey: null
+      });
+
+      this.tabsManager.activateNewTab(newTab);
     }
-
-    if (!this.galleryTab) {
-      this.galleryTab = await import(/* webpackChunkName: "GalleryTab" */ "./Tabs/GalleryTab");
-    }
-
-    const newTab = new this.galleryTab.default({
-      // GalleryTabOptions
-      account: CosmosClient.databaseAccount(),
-      container: this,
-      junoClient: this.notebookManager?.junoClient,
-      notebookUrl,
-      galleryItem,
-      isFavorite,
-      // TabOptions
-      tabKind: ViewModels.CollectionTabKind.Gallery,
-      title: title,
-      tabPath: title,
-      documentClientUtility: null,
-      selfLink: null,
-      isActive: ko.observable(false),
-      hashLocation: hashLocation,
-      onUpdateTabsButtons: this.onUpdateTabsButtons,
-      isTabsContentExpanded: ko.observable(true),
-      onLoadStartKey: null,
-      openedTabs: this.openedTabs()
-    });
-
-    this.openedTabs.push(newTab);
-
-    // Activate
-    newTab.onTabClick();
   }
 
   public async openNotebookViewer(notebookUrl: string) {
@@ -3210,41 +3147,37 @@ export default class Explorer implements ViewModels.Explorer {
       return notebookViewerTab.notebookUrl === notebookUrl;
     };
 
-    const openedTabs = this.openedTabs().filter(
-      (tab: ViewModels.Tab) => tab.tabKind === ViewModels.CollectionTabKind.NotebookViewer && isNotebookViewerOpen(tab)
-    );
-
-    for (let i = 0; i < openedTabs.length; ++i) {
-      if (openedTabs[i].hashLocation() == hashLocation) {
-        openedTabs[i].onTabClick();
-        openedTabs[i].onActivate();
-        return;
+    const notebookViewerTabs = this.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.NotebookV2,
+      (tab: ViewModels.Tab) => {
+        return tab.hashLocation() == hashLocation && isNotebookViewerOpen(tab);
       }
+    );
+    let notebookViewerTab = notebookViewerTabs && notebookViewerTabs[0];
+
+    if (notebookViewerTab) {
+      this.tabsManager.activateNewTab(notebookViewerTab);
+    } else {
+      notebookViewerTab = new this.notebookViewerTab.default({
+        account: CosmosClient.databaseAccount(),
+        tabKind: ViewModels.CollectionTabKind.NotebookViewer,
+        node: null,
+        title: title,
+        tabPath: title,
+        documentClientUtility: null,
+        collection: null,
+        selfLink: null,
+        hashLocation: hashLocation,
+        isActive: ko.observable(false),
+        isTabsContentExpanded: ko.observable(true),
+        onLoadStartKey: null,
+        onUpdateTabsButtons: this.onUpdateTabsButtons,
+        container: this,
+        notebookUrl
+      });
+
+      this.tabsManager.activateNewTab(notebookViewerTab);
     }
-
-    const newTab = new this.notebookViewerTab.default({
-      account: CosmosClient.databaseAccount(),
-      tabKind: ViewModels.CollectionTabKind.NotebookViewer,
-      node: null,
-      title: title,
-      tabPath: title,
-      documentClientUtility: null,
-      collection: null,
-      selfLink: null,
-      hashLocation: hashLocation,
-      isActive: ko.observable(false),
-      isTabsContentExpanded: ko.observable(true),
-      onLoadStartKey: null,
-      onUpdateTabsButtons: this.onUpdateTabsButtons,
-      container: this,
-      openedTabs: this.openedTabs(),
-      notebookUrl
-    });
-
-    this.openedTabs.push(newTab);
-
-    // Activate
-    newTab.onTabClick();
   }
 
   public onNewCollectionClicked(): void {
@@ -3256,24 +3189,8 @@ export default class Explorer implements ViewModels.Explorer {
     document.getElementById("linkAddCollection").focus();
   }
 
-  private getNotebookTabsForFilepath(filepath: string): ViewModels.Tab[] {
-    return this.openedTabs().filter(
-      (tab: ViewModels.Tab) =>
-        tab.tabKind === ViewModels.CollectionTabKind.NotebookV2 &&
-        (tab as any).notebookPath &&
-        FileSystemUtil.isPathEqual((tab as any).notebookPath(), filepath)
-    );
-  }
-
-  public closeNotebookTab(filepath: string): void {
-    if (!filepath) {
-      return;
-    }
-    this.getNotebookTabsForFilepath(filepath).forEach(tab => tab.onCloseTabButtonClick());
-  }
-
   private refreshCommandBarButtons(): void {
-    const activeTab = this.findActiveTab();
+    const activeTab = this.tabsManager.activeTab();
     if (activeTab) {
       activeTab.onActivate(); // TODO only update tabs buttons?
     } else {
@@ -3351,6 +3268,21 @@ export default class Explorer implements ViewModels.Explorer {
       this._openSetupNotebooksPaneForQuickstart();
     }
 
-    this.importAndOpen(path);
+    // We still use github urls like https://github.com/Azure-Samples/cosmos-notebooks/blob/master/CSharp_quickstarts/GettingStarted_CSharp.ipynb
+    // when launching a notebook quickstart from Portal. In future we should just use gallery id and use Juno to fetch instead of directly
+    // calling GitHub. For now convert this url to a raw url and download content.
+    const gitHubInfo = fromContentUri(path);
+    if (gitHubInfo) {
+      const rawUrl = toRawContentUri(gitHubInfo.owner, gitHubInfo.repo, gitHubInfo.branch, gitHubInfo.path);
+      const response = await fetch(rawUrl);
+      if (response.status === Constants.HttpStatusCodes.OK) {
+        this.notebookToImport = {
+          name: NotebookUtil.getName(path),
+          content: await response.text()
+        };
+
+        this.importAndOpenContent(this.notebookToImport.name, this.notebookToImport.content);
+      }
+    }
   }
 }

src/Explorer/Menus/CommandBar/CommandBarComponentAdapter.tsx

@@ -16,10 +16,14 @@ export class CommandBarComponentAdapter implements ReactAdapter {
   public parameters: ko.Observable<number>;
   public container: ViewModels.Explorer;
   private tabsButtons: ViewModels.NavbarButtonConfig[];
+  private isNotebookTabActive: ko.Computed<boolean>;
 
   constructor(container: ViewModels.Explorer) {
     this.container = container;
     this.tabsButtons = [];
+    this.isNotebookTabActive = ko.computed(() =>
+      container.tabsManager.isTabActive(ViewModels.CollectionTabKind.NotebookV2)
+    );
 
     // These are the parameters watched by the react binding that will trigger a renderComponent() if one of the ko mutates
     const toWatch = [
@@ -39,7 +43,7 @@ export class CommandBarComponentAdapter implements ReactAdapter {
       container.isHostedDataExplorerEnabled,
       container.isSynapseLinkUpdating,
       container.databaseAccount,
-      container.isNotebookTabActive
+      this.isNotebookTabActive
     ];
 
     ko.computed(() => ko.toJSON(toWatch)).subscribe(() => this.triggerRender());
@@ -74,7 +78,7 @@ export class CommandBarComponentAdapter implements ReactAdapter {
     const uiFabricControlButtons = CommandBarUtil.convertButton(controlButtons, backgroundColor);
     uiFabricControlButtons.forEach((btn: ICommandBarItemProps) => (btn.iconOnly = true));
 
-    if (this.container && this.container.isNotebookTabActive()) {
+    if (this.isNotebookTabActive()) {
       uiFabricControlButtons.unshift(
         CommandBarUtil.createMemoryTracker("memoryTracker", this.container.memoryUsageInfo)
       );

src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.test.ts

@@ -19,7 +19,6 @@ describe("CommandBarComponentButtonFactory tests", () => {
       mockExplorer.isPreferredApiMongoDB = ko.computed<boolean>(() => false);
       mockExplorer.isPreferredApiCassandra = ko.computed<boolean>(() => false);
       mockExplorer.isSparkEnabled = ko.observable(true);
-      mockExplorer.isGalleryEnabled = ko.computed<boolean>(() => false);
       mockExplorer.isGalleryPublishEnabled = ko.computed<boolean>(() => false);
       mockExplorer.hasAutoPilotV2FeatureFlag = ko.computed<boolean>(() => true);
       mockExplorer.isDatabaseNodeOrNoneSelected = () => true;
@@ -82,7 +81,6 @@ describe("CommandBarComponentButtonFactory tests", () => {
       mockExplorer.isPreferredApiTable = ko.computed(() => true);
       mockExplorer.isPreferredApiCassandra = ko.computed<boolean>(() => false);
       mockExplorer.isSparkEnabled = ko.observable(true);
-      mockExplorer.isGalleryEnabled = ko.computed<boolean>(() => false);
       mockExplorer.isGalleryPublishEnabled = ko.computed<boolean>(() => false);
       mockExplorer.hasAutoPilotV2FeatureFlag = ko.computed<boolean>(() => true);
       mockExplorer.isDatabaseNodeOrNoneSelected = () => true;
@@ -163,7 +161,6 @@ describe("CommandBarComponentButtonFactory tests", () => {
       mockExplorer.isPreferredApiTable = ko.computed(() => true);
       mockExplorer.isPreferredApiMongoDB = ko.computed<boolean>(() => false);
       mockExplorer.isSparkEnabled = ko.observable(true);
-      mockExplorer.isGalleryEnabled = ko.computed<boolean>(() => false);
       mockExplorer.isGalleryPublishEnabled = ko.computed<boolean>(() => false);
       mockExplorer.hasAutoPilotV2FeatureFlag = ko.computed<boolean>(() => true);
       mockExplorer.isDatabaseNodeOrNoneSelected = () => true;
@@ -250,7 +247,6 @@ describe("CommandBarComponentButtonFactory tests", () => {
       mockExplorer.isDatabaseNodeOrNoneSelected = () => true;
       mockExplorer.isNotebooksEnabledForAccount = ko.observable(false);
       mockExplorer.isRunningOnNationalCloud = ko.observable(false);
-      mockExplorer.isGalleryEnabled = ko.computed<boolean>(() => false);
       mockExplorer.isGalleryPublishEnabled = ko.computed<boolean>(() => false);
       mockExplorer.notebookManager = new NotebookManager();
       mockExplorer.notebookManager.gitHubOAuthService = new GitHubOAuthService(undefined);

src/Explorer/Menus/CommandBar/CommandBarComponentButtonFactory.ts

@@ -4,14 +4,11 @@ import { Action, ActionModifiers } from "../../../Shared/Telemetry/TelemetryCons
 import { Areas } from "../../../Common/Constants";
 import TelemetryProcessor from "../../../Shared/Telemetry/TelemetryProcessor";
 
-import ApacheSparkIcon from "../../../../images/notebook/Apache-spark.svg";
 import AddDatabaseIcon from "../../../../images/AddDatabase.svg";
 import AddCollectionIcon from "../../../../images/AddCollection.svg";
 import AddSqlQueryIcon from "../../../../images/AddSqlQuery_16x16.svg";
 import BrowseQueriesIcon from "../../../../images/BrowseQuery.svg";
 import * as Constants from "../../../Common/Constants";
-import DeleteIcon from "../../../../images/delete.svg";
-import EditIcon from "../../../../images/edit.svg";
 import OpenInTabIcon from "../../../../images/open-in-tab.svg";
 import OpenQueryFromDiskIcon from "../../../../images/OpenQueryFromDisk.svg";
 import CosmosTerminalIcon from "../../../../images/Cosmos-Terminal.svg";
@@ -25,7 +22,6 @@ import FeedbackIcon from "../../../../images/Feedback-Command.svg";
 import EnableNotebooksIcon from "../../../../images/notebook/Notebook-enable.svg";
 import NewNotebookIcon from "../../../../images/notebook/Notebook-new.svg";
 import ResetWorkspaceIcon from "../../../../images/notebook/Notebook-reset-workspace.svg";
-import LibraryManageIcon from "../../../../images/notebook/Spark-library-manage.svg";
 import GitHubIcon from "../../../../images/github.svg";
 import SynapseIcon from "../../../../images/synapse-link.svg";
 import { config, Platform } from "../../../Config";
@@ -88,25 +84,6 @@ export class CommandBarComponentButtonFactory {
       buttons.push(CommandBarComponentButtonFactory.createNotebookWorkspaceResetButton(container));
     }
 
-    // TODO: Should be replaced with the create arcadia spark pool button
-    // if (!container.isSparkEnabled() && container.isSparkEnabledForAccount()) {
-    //   const createSparkClusterButton = CommandBarComponentButtonFactory.createSparkClusterButton(container);
-    //   buttons.push(createSparkClusterButton);
-    // }
-
-    // TODO: Should be replaced with the edit/manage/delete arcadia spark pool button
-    // if (container.isSparkEnabled()) {
-    //   const manageSparkClusterButton = CommandBarComponentButtonFactory.createMonitorClusterButton(container);
-    //   manageSparkClusterButton.children = [
-    //     CommandBarComponentButtonFactory.createMonitorClusterButton(container),
-    //     CommandBarComponentButtonFactory.createEditClusterButton(container),
-    //     CommandBarComponentButtonFactory.createDeleteClusterButton(container),
-    //     CommandBarComponentButtonFactory.createLibraryManageButton(container),
-    //     CommandBarComponentButtonFactory.createClusterLibraryButton(container)
-    //   ];
-    //   buttons.push(manageSparkClusterButton);
-    // }
-
     if (!container.isDatabaseNodeOrNoneSelected()) {
       if (container.isNotebookEnabled()) {
         buttons.push(CommandBarComponentButtonFactory.createDivider());
@@ -505,58 +482,6 @@ export class CommandBarComponentButtonFactory {
     };
   }
 
-  private static createSparkClusterButton(container: ViewModels.Explorer): ViewModels.NavbarButtonConfig {
-    const label = "Enable Spark";
-    return {
-      iconSrc: ApacheSparkIcon,
-      iconAlt: "Enable spark icon",
-      onCommandClick: () => container.setupSparkClusterPane.open(),
-      commandButtonLabel: label,
-      hasPopup: false,
-      disabled: false,
-      ariaLabel: label
-    };
-  }
-
-  private static createEditClusterButton(container: ViewModels.Explorer): ViewModels.NavbarButtonConfig {
-    const label = "Edit Cluster";
-    return {
-      iconSrc: EditIcon,
-      iconAlt: "Edit cluster icon",
-      onCommandClick: () => container.manageSparkClusterPane.open(),
-      commandButtonLabel: label,
-      hasPopup: false,
-      disabled: false,
-      ariaLabel: label
-    };
-  }
-
-  private static createDeleteClusterButton(container: ViewModels.Explorer): ViewModels.NavbarButtonConfig {
-    const label = "Delete Cluster";
-    return {
-      iconSrc: DeleteIcon,
-      iconAlt: "Delete cluster icon",
-      onCommandClick: () => container.deleteCluster(),
-      commandButtonLabel: label,
-      hasPopup: false,
-      disabled: false,
-      ariaLabel: label
-    };
-  }
-
-  private static createMonitorClusterButton(container: ViewModels.Explorer): ViewModels.NavbarButtonConfig {
-    const label = "Monitor Cluster";
-    return {
-      iconSrc: ApacheSparkIcon,
-      iconAlt: "Monitor cluster icon",
-      onCommandClick: () => container.openSparkMasterTab(),
-      commandButtonLabel: label,
-      hasPopup: false,
-      disabled: false,
-      ariaLabel: label
-    };
-  }
-
   private static createOpenTerminalButton(container: ViewModels.Explorer): ViewModels.NavbarButtonConfig {
     const label = "Open Terminal";
     return {
@@ -658,32 +583,6 @@ export class CommandBarComponentButtonFactory {
     };
   }
 
-  private static createLibraryManageButton(container: ViewModels.Explorer): ViewModels.NavbarButtonConfig {
-    const label = "Manage Libraries";
-    return {
-      iconSrc: LibraryManageIcon,
-      iconAlt: label,
-      onCommandClick: () => container.libraryManagePane.open(),
-      commandButtonLabel: label,
-      hasPopup: false,
-      disabled: false,
-      ariaLabel: label
-    };
-  }
-
-  private static createClusterLibraryButton(container: ViewModels.Explorer): ViewModels.NavbarButtonConfig {
-    const label = "Manage Cluster Libraries";
-    return {
-      iconSrc: LibraryManageIcon,
-      iconAlt: label,
-      onCommandClick: () => container.clusterLibraryPane.open(),
-      commandButtonLabel: label,
-      hasPopup: false,
-      disabled: false,
-      ariaLabel: label
-    };
-  }
-
   private static createStaticCommandBarButtonsForResourceToken(
     container: ViewModels.Explorer
   ): ViewModels.NavbarButtonConfig[] {

src/Explorer/Menus/NavBar/__snapshots__/MeControlComponent.test.tsx.snap

@@ -28,7 +28,7 @@ exports[`test render renders signed in with full info 1`] = `
 <FocusZone
   direction={2}
   isCircularNavigation={false}
-  preventDefaultWhenHandled={true}
+  shouldRaiseClicks={true}
 >
   <CustomizedDefaultButton
     className="mecontrolHeaderButton"

src/Explorer/Notebook/NTeractUtil.ts

@@ -4,7 +4,7 @@ import { NotebookContentRecordProps, selectors } from "@nteract/core";
  * A bunch of utilities to interact with nteract
  */
 export default class NTeractUtil {
-  public static getCurrentCellType(content: NotebookContentRecordProps): "markdown" | "code" | "raw" {
+  public static getCurrentCellType(content: NotebookContentRecordProps): "markdown" | "code" | "raw" | undefined {
     if (!content) {
       return undefined;
     }

src/Explorer/Notebook/NotebookComponent/epics.ts

@@ -43,6 +43,7 @@ import { CdbAppState } from "./types";
 import { decryptJWTToken } from "../../../Utils/AuthorizationUtils";
 import * as TextFile from "./contents/file/text-file";
 import { NotebookUtil } from "../NotebookUtil";
+import { FileSystemUtil } from "../FileSystemUtil";
 
 interface NotebookServiceConfig extends JupyterServerConfig {
   userPuid?: string;
@@ -806,7 +807,9 @@ const closeUnsupportedMimetypesEpic = (
       if (explorer && !TextFile.handles(mimetype)) {
         const filepath = action.payload.filepath;
         // Close tab and show error message
-        explorer.closeNotebookTab(filepath);
+        explorer.tabsManager.closeTabsByComparator(
+          tab => (tab as any).notebookPath && FileSystemUtil.isPathEqual((tab as any).notebookPath(), filepath)
+        );
         const msg = `${filepath} cannot be rendered. Please download the file, in order to view it outside of Data Explorer.`;
         explorer.showOkModalDialog("File cannot be rendered", msg);
         NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, msg);
@@ -832,7 +835,9 @@ const closeContentFailedToFetchEpic = (
       if (explorer) {
         const filepath = action.payload.filepath;
         // Close tab and show error message
-        explorer.closeNotebookTab(filepath);
+        explorer.tabsManager.closeTabsByComparator(
+          tab => (tab as any).notebookPath && FileSystemUtil.isPathEqual((tab as any).notebookPath(), filepath)
+        );
         const msg = `Failed to load file: ${filepath}.`;
         explorer.showOkModalDialog("Failure to load", msg);
         NotificationConsoleUtils.logConsoleMessage(ConsoleDataType.Error, msg);

src/Explorer/Notebook/NotebookComponent/types.ts

@@ -5,10 +5,10 @@ import { Notebook } from "../../../Common/Constants";
 import { CellId } from "@nteract/commutable";
 
 export interface CdbRecordProps {
-  databaseAccountName: string;
-  defaultExperience: string;
+  databaseAccountName: string | undefined;
+  defaultExperience: string | undefined;
   kernelRestartDelayMs: number;
-  hoveredCellId: CellId;
+  hoveredCellId: CellId | undefined;
 }
 
 export type CdbRecord = Immutable.RecordOf<CdbRecordProps>;

src/Explorer/Notebook/NotebookManager.ts

@@ -6,7 +6,6 @@ import { JunoClient } from "../../Juno/JunoClient";
 import * as ViewModels from "../../Contracts/ViewModels";
 import { GitHubOAuthService } from "../../GitHub/GitHubOAuthService";
 import { GitHubClient } from "../../GitHub/GitHubClient";
-import { config } from "../../Config";
 import * as Logger from "../../Common/Logger";
 import { HttpStatusCodes, Areas } from "../../Common/Constants";
 import { GitHubReposPane } from "../Panes/GitHubReposPane";
@@ -54,7 +53,7 @@ export default class NotebookManager {
     this.junoClient = new JunoClient(this.params.container.databaseAccount);
 
     this.gitHubOAuthService = new GitHubOAuthService(this.junoClient);
-    this.gitHubClient = new GitHubClient(config.AZURESAMPLESCOSMOSDBPAT, this.onGitHubClientError);
+    this.gitHubClient = new GitHubClient(this.onGitHubClientError);
     this.gitHubReposPane = new GitHubReposPane({
       documentClientUtility: this.params.container.documentClientUtility,
       id: "gitHubReposPane",
@@ -91,7 +90,7 @@ export default class NotebookManager {
     }
 
     this.gitHubOAuthService.getTokenObservable().subscribe(token => {
-      this.gitHubClient.setToken(token?.access_token ? token.access_token : config.AZURESAMPLESCOSMOSDBPAT);
+      this.gitHubClient.setToken(token?.access_token);
 
       if (this.gitHubReposPane.visible()) {
         this.gitHubReposPane.open();

src/Explorer/Notebook/NotebookSamples.ts

@@ -1,127 +0,0 @@
-import { IGitHubRepo, IGitHubBranch } from "../../GitHub/GitHubClient";
-
-export const SamplesRepo: IGitHubRepo = {
-  name: "cosmos-notebooks",
-  owner: "Azure-Samples",
-  private: false
-};
-
-export const SamplesBranch: IGitHubBranch = {
-  name: "master"
-};
-
-export const isSamplesCall = (owner: string, repo: string, branch?: string): boolean => {
-  return owner === SamplesRepo.owner && repo === SamplesRepo.name && (!branch || branch === SamplesBranch.name);
-};
-
-// GitHub API calls have a rate limit of 5000 requests per hour. So if we get high traffic on Data Explorer
-// loading samples exceed that limit. Using this hard coded response for samples until we fix that.
-export const SamplesContentsQueryResponse = {
-  repository: {
-    owner: {
-      login: "Azure-Samples"
-    },
-    name: "cosmos-notebooks",
-    isPrivate: false,
-    ref: {
-      name: "master",
-      target: {
-        history: {
-          nodes: [
-            {
-              oid: "cda7facb9e039b173f3376200c26c859896e7974",
-              message:
-                "Merge pull request #45 from Azure-Samples/users/deborahc/pythonSampleUpdates\n\nAdd bokeh version to notebook",
-              committer: {
-                date: "2020-05-28T11:28:01-07:00"
-              }
-            }
-          ]
-        }
-      }
-    },
-    object: {
-      entries: [
-        {
-          name: ".github",
-          type: "tree",
-          object: {}
-        },
-        {
-          name: ".gitignore",
-          type: "blob",
-          object: {
-            oid: "3e759b75bf455ac809d0987d369aab89137b5689",
-            byteSize: 5582
-          }
-        },
-        {
-          name: "1. GettingStarted.ipynb",
-          type: "blob",
-          object: {
-            oid: "0732ff5366e4aefdc4c378c61cbd968664f0acec",
-            byteSize: 3933
-          }
-        },
-        {
-          name: "2. Visualization.ipynb",
-          type: "blob",
-          object: {
-            oid: "6b16b0740a77afdd38a95bc6c3ebd0f2f17d9465",
-            byteSize: 820317
-          }
-        },
-        {
-          name: "3. RequestUnits.ipynb",
-          type: "blob",
-          object: {
-            oid: "252b79a4adc81e9f2ffde453231b695d75e270e8",
-            byteSize: 9490
-          }
-        },
-        {
-          name: "4. Indexing.ipynb",
-          type: "blob",
-          object: {
-            oid: "e10dd67bd1c55c345226769e4f80e43659ef9cd5",
-            byteSize: 10394
-          }
-        },
-        {
-          name: "5. StoredProcedures.ipynb",
-          type: "blob",
-          object: {
-            oid: "949941949920de4d2d111149e2182e9657cc8134",
-            byteSize: 11818
-          }
-        },
-        {
-          name: "6. GlobalDistribution.ipynb",
-          type: "blob",
-          object: {
-            oid: "b91c31dacacbc9e35750d9054063dda4a5309f3b",
-            byteSize: 11375
-          }
-        },
-        {
-          name: "7. IoTAnomalyDetection.ipynb",
-          type: "blob",
-          object: {
-            oid: "82057ae52a67721a5966e2361317f5dfbd0ee595",
-            byteSize: 377939
-          }
-        },
-        {
-          name: "All_API_quickstarts",
-          type: "tree",
-          object: {}
-        },
-        {
-          name: "CSharp_quickstarts",
-          type: "tree",
-          object: {}
-        }
-      ]
-    }
-  }
-};

src/Explorer/OpenActionsStubs.ts

@@ -22,6 +22,7 @@ import { Versions } from "../../src/Contracts/ExplorerContracts";
 import { CollectionCreationDefaults } from "../Shared/Constants";
 import { IGalleryItem } from "../Juno/JunoClient";
 import { ReactAdapter } from "../Bindings/ReactBindingHandler";
+import { TabsManager } from "./Tabs/TabsManager";
 
 export class ExplorerStub implements ViewModels.Explorer {
   public flight: ko.Observable<string>;
@@ -69,7 +70,6 @@ export class ExplorerStub implements ViewModels.Explorer {
   public isLeftPaneExpanded: ko.Observable<boolean>;
   public selectedNode: ko.Observable<ViewModels.TreeNode>;
   public isRefreshingExplorer: ko.Observable<boolean>;
-  public openedTabs: ko.ObservableArray<ViewModels.Tab>;
   public isTabsContentExpanded: ko.Observable<boolean>;
   public addCollectionPane: ViewModels.AddCollectionPane;
   public addDatabasePane: ViewModels.AddDatabasePane;
@@ -94,9 +94,6 @@ export class ExplorerStub implements ViewModels.Explorer {
   public uploadFilePane: UploadFilePane;
   public stringInputPane: StringInputPane;
   public setupNotebooksPane: SetupNotebooksPane;
-  public setupSparkClusterPane: ViewModels.ContextualPane;
-  public manageSparkClusterPane: ViewModels.ContextualPane;
-  public isGalleryEnabled: ko.Computed<boolean>;
   public isGalleryPublishEnabled: ko.Computed<boolean>;
   public isGitHubPaneEnabled: ko.Observable<boolean>;
   public isPublishNotebookPaneEnabled: ko.Observable<boolean>;
@@ -104,7 +101,6 @@ export class ExplorerStub implements ViewModels.Explorer {
   public canExceedMaximumValue: ko.Computed<boolean>;
   public isHostedDataExplorerEnabled: ko.Computed<boolean>;
   public parentFrameDataExplorerVersion: ko.Observable<string> = ko.observable<string>(Versions.DataExplorer);
-  public activeTab: ko.Observable<ViewModels.Tab>;
   public mostRecentActivity: MostRecentActivity;
   public isNotebookEnabled: ko.Observable<boolean>;
   public isSparkEnabled: ko.Observable<boolean>;
@@ -122,7 +118,6 @@ export class ExplorerStub implements ViewModels.Explorer {
   public arcadiaWorkspaces: ko.ObservableArray<ArcadiaWorkspaceItem>;
   public hasStorageAnalyticsAfecFeature: ko.Observable<boolean>;
   public isSynapseLinkUpdating: ko.Observable<boolean>;
-  public isNotebookTabActive: ko.Computed<boolean>;
   public memoryUsageInfo: ko.Observable<DataModels.MemoryUsageInfo>;
   public notebookManager?: any;
   public openGallery: (notebookUrl?: string, galleryItem?: IGalleryItem, isFavorite?: boolean) => void;
@@ -133,6 +128,7 @@ export class ExplorerStub implements ViewModels.Explorer {
   public resourceTokenPartitionKey: ko.Observable<string>;
   public isAuthWithResourceToken: ko.Observable<boolean>;
   public isResourceTokenCollectionNodeSelected: ko.Computed<boolean>;
+  public tabsManager: TabsManager;
 
   private _featureEnabledReturnValue: boolean;
 
@@ -251,10 +247,6 @@ export class ExplorerStub implements ViewModels.Explorer {
     throw new Error("Not implemented");
   }
 
-  public findActiveTab(): ViewModels.Tab {
-    throw new Error("Not implemented");
-  }
-
   public findSelectedStoredProcedure(): ViewModels.StoredProcedure {
     throw new Error("Not implemented");
   }
@@ -303,10 +295,6 @@ export class ExplorerStub implements ViewModels.Explorer {
     throw new Error("Not implemented");
   }
 
-  public closeAllTabsForResource(resourceId: string): void {
-    throw new Error("Not implemented");
-  }
-
   public getPlatformType(): PlatformType {
     throw new Error("Not implemented");
   }
@@ -333,7 +321,7 @@ export class ExplorerStub implements ViewModels.Explorer {
     throw new Error("Not implemented");
   }
 
-  public importAndOpenFromGallery(name: string, content: string): Promise<boolean> {
+  public importAndOpenContent(name: string, content: string): Promise<boolean> {
     throw new Error("Not implemented");
   }
 
@@ -429,10 +417,6 @@ export class ExplorerStub implements ViewModels.Explorer {
     throw new Error("Not implemented");
   }
 
-  public closeNotebookTab(filepath: string): void {
-    throw new Error("Not implemented");
-  }
-
   public refreshContentItem(item: NotebookContentItem): Promise<void> {
     throw new Error("Not implemented");
   }
@@ -514,10 +498,6 @@ export class DatabaseStub implements ViewModels.Database {
     throw new Error("Not implemented");
   }
 
-  public refreshTabSelectedState(): void {
-    throw new Error("Not implemented");
-  }
-
   public readSettings() {
     throw new Error("Not implemented");
   }
@@ -782,10 +762,6 @@ export class CollectionStub implements ViewModels.Collection {
     throw new Error("Not implemented");
   };
 
-  public refreshActiveTab = (): void => {
-    throw new Error("Not implemented");
-  };
-
   public getLabel(): string {
     throw new Error("Not implemented");
   }

src/Explorer/Panes/AddCollectionPane.html

@@ -61,9 +61,8 @@
           <span><img class="infoBoxIcon" src="/info_color.svg" alt="Promo"></span>
           <span class="infoBoxDetails">
               <span class="infoBoxMessage" data-bind="text: upsellMessage, attr: { title: upsellMessage }"></span>
-              <a class="underlinedLink" id="linkAddCollection" data-bind="attr: { 'aria-label': upsellMessageAriaLabel }"
-                  target="_blank" href="https://aka.ms/azure-cosmos-db-pricing" tabindex="0">
-                  More details</a>
+              <a class="underlinedLink" id="linkAddCollection" data-bind="text: upsellAnchorText, attr: { 'href': upsellAnchorUrl, 'aria-label': upsellMessageAriaLabel }"
+                  target="_blank" href="" tabindex="0"></a>
           </span>
       </div>
   </div>

src/Explorer/Panes/AddCollectionPane.test.ts

@@ -13,7 +13,29 @@ describe("Add Collection Pane", () => {
       kind: "DocumentDB",
       location: "",
       name: "mock",
-      properties: undefined,
+      properties: {
+        documentEndpoint: "",
+        cassandraEndpoint: "",
+        gremlinEndpoint: "",
+        tableEndpoint: "",
+        enableFreeTier: false
+      },
+      type: undefined,
+      tags: []
+    };
+
+    const mockFreeTierDatabaseAccount: ViewModels.DatabaseAccount = {
+      id: "mock",
+      kind: "DocumentDB",
+      location: "",
+      name: "mock",
+      properties: {
+        documentEndpoint: "",
+        cassandraEndpoint: "",
+        gremlinEndpoint: "",
+        tableEndpoint: "",
+        enableFreeTier: true
+      },
       type: undefined,
       tags: []
     };
@@ -68,5 +90,23 @@ describe("Add Collection Pane", () => {
       addCollectionPane.partitionKey("/label");
       expect(addCollectionPane.isValid()).toBe(true);
     });
+
+    it("should display free tier text in upsell messaging", () => {
+      explorer.databaseAccount(mockFreeTierDatabaseAccount);
+      const addCollectionPane = explorer.addCollectionPane as AddCollectionPane;
+      expect(addCollectionPane.isFreeTierAccount()).toBe(true);
+      expect(addCollectionPane.upsellMessage()).toContain("With free tier discount");
+      expect(addCollectionPane.upsellAnchorUrl()).toBe(Constants.Urls.freeTierInformation);
+      expect(addCollectionPane.upsellAnchorText()).toBe("Learn more");
+    });
+
+    it("should display standard texr in upsell messaging", () => {
+      explorer.databaseAccount(mockDatabaseAccount);
+      const addCollectionPane = explorer.addCollectionPane as AddCollectionPane;
+      expect(addCollectionPane.isFreeTierAccount()).toBe(false);
+      expect(addCollectionPane.upsellMessage()).toContain("Start at");
+      expect(addCollectionPane.upsellAnchorUrl()).toBe(Constants.Urls.cosmosPricing);
+      expect(addCollectionPane.upsellAnchorText()).toBe("More details");
+    });
   });
 });

src/Explorer/Panes/AddCollectionPane.ts

@@ -69,6 +69,8 @@ export default class AddCollectionPane extends ContextualPaneBase implements Vie
   public uniqueKeysPlaceholder: ko.Computed<string>;
   public upsellMessage: ko.PureComputed<string>;
   public upsellMessageAriaLabel: ko.PureComputed<string>;
+  public upsellAnchorUrl: ko.PureComputed<string>;
+  public upsellAnchorText: ko.PureComputed<string>;
   public debugstring: ko.Computed<string>;
   public displayCollectionThroughput: ko.Computed<boolean>;
   public isAutoPilotSelected: ko.Observable<boolean>;
@@ -508,11 +510,19 @@ export default class AddCollectionPane extends ContextualPaneBase implements Vie
     });
 
     this.upsellMessage = ko.pureComputed<string>(() => {
-      return PricingUtils.getUpsellMessage(this.container.serverId());
+      return PricingUtils.getUpsellMessage(this.container.serverId(), this.isFreeTierAccount());
     });
 
     this.upsellMessageAriaLabel = ko.pureComputed<string>(() => {
-      return `${this.upsellMessage()}. Click for more details`;
+      return `${this.upsellMessage()}. Click ${this.isFreeTierAccount() ? "to learn more" : "for more details"}`;
+    });
+
+    this.upsellAnchorUrl = ko.pureComputed<string>(() => {
+      return this.isFreeTierAccount() ? Constants.Urls.freeTierInformation : Constants.Urls.cosmosPricing;
+    });
+
+    this.upsellAnchorText = ko.pureComputed<string>(() => {
+      return this.isFreeTierAccount() ? "Learn more" : "More details";
     });
 
     this.displayCollectionThroughput = ko.computed<boolean>(() => {

src/Explorer/Panes/AddDatabasePane.html

@@ -53,9 +53,8 @@
           <span><img class="infoBoxIcon" src="/info_color.svg" alt="Promo"></span>
           <span class="infoBoxDetails">
               <span class="infoBoxMessage" data-bind="text: upsellMessage, attr: { title: upsellMessage }"></span>
-              <a class="underlinedLink" id="linkAddDatabase" data-bind="attr: { 'aria-label': upsellMessageAriaLabel }"
-                  target="_blank" href="https://aka.ms/azure-cosmos-db-pricing" tabindex="0">
-                  More details</a>
+              <a class="underlinedLink" id="linkAddDatabase" data-bind="text: upsellAnchorText, attr: { 'href': upsellAnchorUrl, 'aria-label': upsellMessageAriaLabel }"
+                  target="_blank" href="" tabindex="0"></a>
           </span>
       </div>
   </div>

src/Explorer/Panes/AddDatabasePane.test.ts

@@ -1,3 +1,4 @@
+import * as Constants from "../../Common/Constants";
 import * as ViewModels from "../../Contracts/ViewModels";
 import Explorer from "../Explorer";
 import AddDatabasePane from "./AddDatabasePane";
@@ -5,6 +6,37 @@ import AddDatabasePane from "./AddDatabasePane";
 describe("Add Database Pane", () => {
   describe("getSharedThroughputDefault()", () => {
     let explorer: ViewModels.Explorer;
+    const mockDatabaseAccount: ViewModels.DatabaseAccount = {
+      id: "mock",
+      kind: "DocumentDB",
+      location: "",
+      name: "mock",
+      properties: {
+        documentEndpoint: "",
+        cassandraEndpoint: "",
+        gremlinEndpoint: "",
+        tableEndpoint: "",
+        enableFreeTier: false
+      },
+      type: undefined,
+      tags: []
+    };
+
+    const mockFreeTierDatabaseAccount: ViewModels.DatabaseAccount = {
+      id: "mock",
+      kind: "DocumentDB",
+      location: "",
+      name: "mock",
+      properties: {
+        documentEndpoint: "",
+        cassandraEndpoint: "",
+        gremlinEndpoint: "",
+        tableEndpoint: "",
+        enableFreeTier: true
+      },
+      type: undefined,
+      tags: []
+    };
 
     beforeEach(() => {
       explorer = new Explorer({
@@ -43,5 +75,23 @@ describe("Add Database Pane", () => {
       const addDatabasePane = explorer.addDatabasePane as AddDatabasePane;
       expect(addDatabasePane.getSharedThroughputDefault()).toBe(true);
     });
+
+    it("should display free tier text in upsell messaging", () => {
+      explorer.databaseAccount(mockFreeTierDatabaseAccount);
+      const addDatabasePane = explorer.addDatabasePane as AddDatabasePane;
+      expect(addDatabasePane.isFreeTierAccount()).toBe(true);
+      expect(addDatabasePane.upsellMessage()).toContain("With free tier discount");
+      expect(addDatabasePane.upsellAnchorUrl()).toBe(Constants.Urls.freeTierInformation);
+      expect(addDatabasePane.upsellAnchorText()).toBe("Learn more");
+    });
+
+    it("should display standard texr in upsell messaging", () => {
+      explorer.databaseAccount(mockDatabaseAccount);
+      const addDatabasePane = explorer.addDatabasePane as AddDatabasePane;
+      expect(addDatabasePane.isFreeTierAccount()).toBe(false);
+      expect(addDatabasePane.upsellMessage()).toContain("Start at");
+      expect(addDatabasePane.upsellAnchorUrl()).toBe(Constants.Urls.cosmosPricing);
+      expect(addDatabasePane.upsellAnchorText()).toBe("More details");
+    });
   });
 });

src/Explorer/Panes/AddDatabasePane.ts

@@ -38,6 +38,8 @@ export default class AddDatabasePane extends ContextualPaneBase implements ViewM
   public costsVisible: ko.PureComputed<boolean>;
   public upsellMessage: ko.PureComputed<string>;
   public upsellMessageAriaLabel: ko.PureComputed<string>;
+  public upsellAnchorUrl: ko.PureComputed<string>;
+  public upsellAnchorText: ko.PureComputed<string>;
   public isAutoPilotSelected: ko.Observable<boolean>;
   public selectedAutoPilotTier: ko.Observable<DataModels.AutopilotTier>;
   public autoPilotTiersList: ko.ObservableArray<ViewModels.DropdownOption<DataModels.AutopilotTier>>;
@@ -228,11 +230,19 @@ export default class AddDatabasePane extends ContextualPaneBase implements ViewM
     });
 
     this.upsellMessage = ko.pureComputed<string>(() => {
-      return PricingUtils.getUpsellMessage(this.container.serverId());
+      return PricingUtils.getUpsellMessage(this.container.serverId(), this.isFreeTierAccount());
     });
 
     this.upsellMessageAriaLabel = ko.pureComputed<string>(() => {
-      return `${this.upsellMessage()}. Click for more details`;
+      return `${this.upsellMessage()}. Click ${this.isFreeTierAccount() ? "to learn more" : "for more details"}`;
+    });
+
+    this.upsellAnchorUrl = ko.pureComputed<string>(() => {
+      return this.isFreeTierAccount() ? Constants.Urls.freeTierInformation : Constants.Urls.cosmosPricing;
+    });
+
+    this.upsellAnchorText = ko.pureComputed<string>(() => {
+      return this.isFreeTierAccount() ? "Learn more" : "More details";
     });
   }
 

src/Explorer/Panes/BrowseQueriesPane.ts

@@ -87,7 +87,7 @@ export class BrowseQueriesPane extends ContextualPaneBase implements ViewModels.
     } else {
       selectedCollection.onNewQueryClick(selectedCollection, null);
     }
-    const queryTab: ViewModels.QueryTab = this.container.findActiveTab() as ViewModels.QueryTab;
+    const queryTab: ViewModels.QueryTab = this.container.tabsManager.activeTab() as ViewModels.QueryTab;
     queryTab.tabTitle(savedQuery.queryName);
     queryTab.tabPath(`${selectedCollection.databaseId}>${selectedCollection.id()}>${savedQuery.queryName}`);
     queryTab.initialEditorContent(savedQuery.query);

src/Explorer/Panes/DeleteCollectionConfirmationPane.ts

@@ -66,7 +66,9 @@ export default class DeleteCollectionConfirmationPane extends ContextualPaneBase
         this.isExecuting(false);
         this.close();
         this.container.selectedNode(selectedCollection.database);
-        this.container.closeAllTabsForResource(selectedCollection.rid);
+        this.container.tabsManager?.closeTabsByComparator(
+          (tab: ViewModels.Tab) => tab.node && tab.node.rid === selectedCollection.rid
+        );
         this.container.refreshAllDatabases();
         this.resetData();
         TelemetryProcessor.traceSuccess(

src/Explorer/Panes/DeleteDatabaseConfirmationPane.test.ts

@@ -11,6 +11,7 @@ import Explorer from "../Explorer";
 import { CollectionStub, DatabaseStub, ExplorerStub } from "../OpenActionsStubs";
 import TelemetryProcessor from "../../Shared/Telemetry/TelemetryProcessor";
 import { TreeNode } from "../../Contracts/ViewModels";
+import { TabsManager } from "../Tabs/TabsManager";
 
 describe("Delete Database Confirmation Pane", () => {
   describe("Explorer.isLastDatabase() and Explorer.isLastNonEmptyDatabase()", () => {
@@ -123,6 +124,7 @@ describe("Delete Database Confirmation Pane", () => {
       );
       sinon.stub(fakeExplorer, "documentClientUtility").value(fakeDocumentClientUtility);
       sinon.stub(fakeExplorer, "selectedNode").value(ko.observable<TreeNode>());
+      sinon.stub(fakeExplorer, "tabsManager").value(new TabsManager());
       fakeExplorer.isLastNonEmptyDatabase.returns(true);
 
       let pane = new DeleteDatabaseConfirmationPane({

src/Explorer/Panes/DeleteDatabaseConfirmationPane.ts

@@ -67,11 +67,17 @@ export default class DeleteDatabaseConfirmationPane extends ContextualPaneBase
         this.isExecuting(false);
         this.close();
         this.container.refreshAllDatabases();
-        this.container.closeAllTabsForResource(selectedDatabase.rid);
+        this.container.tabsManager.closeTabsByComparator(
+          (tab: ViewModels.Tab) => tab.node && tab.node.rid === selectedDatabase.rid
+        );
         this.container.selectedNode(null);
         selectedDatabase
           .collections()
-          .forEach((collection: ViewModels.Collection) => this.container.closeAllTabsForResource(collection.rid));
+          .forEach((collection: ViewModels.Collection) =>
+            this.container.tabsManager.closeTabsByComparator(
+              (tab: ViewModels.Tab) => tab.node && tab.node.rid === collection.rid
+            )
+          );
         this.resetData();
         TelemetryProcessor.traceSuccess(
           Action.DeleteDatabase,

src/Explorer/Panes/LoadQueryPane.ts

@@ -111,7 +111,7 @@ export class LoadQueryPane extends ContextualPaneBase implements ViewModels.Load
     const reader = new FileReader();
     reader.onload = (evt: any): void => {
       const fileData: string = evt.target.result;
-      const queryTab: ViewModels.QueryTab = this.container.findActiveTab() as ViewModels.QueryTab;
+      const queryTab: ViewModels.QueryTab = this.container.tabsManager.activeTab() as ViewModels.QueryTab;
       queryTab.initialEditorContent(fileData);
       queryTab.sqlQueryEditorContent(fileData);
       deferred.resolve();

src/Explorer/Panes/ManageSparkClusterPane.html

@@ -1,37 +0,0 @@
-<div data-bind="visible: visible, event: { keydown: onPaneKeyDown }">
-  <div class="contextual-pane-out" data-bind="click: cancel, clickBubble: false"></div>
-  <div class="contextual-pane" id="managesparkclusterpane">
-    <!-- Setup spark form -- Start -->
-    <div class="contextual-pane-in">
-      <div class="paneContentContainer">
-        <form class="paneContentContainer" data-bind="submit: submit">
-          <!-- Setup spark header - Start -->
-          <div class="firstdivbg headerline">
-            <span data-bind="text: title"></span>
-            <div
-              class="closeImg"
-              role="button"
-              aria-label="Close pane"
-              tabindex="0"
-              data-bind="click: cancel, event: { keypress: onCloseKeyPress }"
-            >
-              <img src="../../../images/close-black.svg" title="Close" alt="Close" />
-            </div>
-          </div>
-          <!-- Setup spark header - End -->
-
-          <div class="paneMainContent"><div data-bind="react: clusterSettingsComponentAdapter"></div></div>
-          <div class="paneFooter">
-            <div class="leftpanel-okbut"><input type="submit" value="Save" class="btncreatecoll1" /></div>
-          </div>
-        </form>
-      </div>
-    </div>
-    <!-- Setup spark form - Start -->
-    <!-- Loader - Start -->
-    <div class="dataExplorerLoaderContainer dataExplorerPaneLoaderContainer" data-bind="visible: isExecuting">
-      <img class="dataExplorerLoader" alt="loading indicator image" src="/LoadingIndicator_3Squares.gif" />
-    </div>
-    <!-- Loader - End -->
-  </div>
-</div>

src/Explorer/Panes/ManageSparkClusterPane.ts

@@ -1,153 +0,0 @@
-import * as ko from "knockout";
-import * as ViewModels from "../../Contracts/ViewModels";
-import * as DataModels from "../../Contracts/DataModels";
-import { Action } from "../../Shared/Telemetry/TelemetryConstants";
-import { Areas } from "../../Common/Constants";
-import { ConsoleDataType } from "../Menus/NotificationConsole/NotificationConsoleComponent";
-import { ContextualPaneBase } from "./ContextualPaneBase";
-import { ClusterSettingsComponentAdapter } from "../Controls/Spark/ClusterSettingsComponentAdapter";
-import { ClusterSettingsComponentProps } from "../Controls/Spark/ClusterSettingsComponent";
-import { NotificationConsoleUtils } from "../../Utils/NotificationConsoleUtils";
-import { Spark } from "../../Common/Constants";
-import TelemetryProcessor from "../../Shared/Telemetry/TelemetryProcessor";
-
-const MAX_NUM_WORKERS = 10;
-
-export class ManageSparkClusterPane extends ContextualPaneBase {
-  public readonly maxWorkerCount = Spark.MaxWorkerCount;
-  public workerCount: ko.Observable<number>;
-  public clusterSettingsComponentAdapter: ClusterSettingsComponentAdapter;
-
-  private _settingsComponentAdapterProps: ko.Observable<ClusterSettingsComponentProps>;
-  private _defaultCluster: ko.Observable<DataModels.SparkCluster>;
-
-  constructor(options: ViewModels.PaneOptions) {
-    super(options);
-    this.title("Manage spark cluster");
-    this.workerCount = ko.observable<number>();
-    this._defaultCluster = ko.observable<DataModels.SparkCluster>({
-      id: undefined,
-      name: undefined,
-      type: undefined,
-      properties: {
-        kind: undefined,
-        creationTime: undefined,
-        driverSize: undefined,
-        status: undefined,
-        workerInstanceCount: undefined,
-        workerSize: undefined
-      }
-    });
-    this._settingsComponentAdapterProps = ko.observable<ClusterSettingsComponentProps>({
-      cluster: this._defaultCluster(),
-      onClusterSettingsChanged: this.onClusterSettingsChange
-    });
-    this._defaultCluster.subscribe(cluster => {
-      this._settingsComponentAdapterProps().cluster = cluster;
-      this._settingsComponentAdapterProps.valueHasMutated(); // trigger component re-render
-    });
-    this.clusterSettingsComponentAdapter = new ClusterSettingsComponentAdapter();
-    this.clusterSettingsComponentAdapter.parameters = this._settingsComponentAdapterProps;
-    this.resetData();
-  }
-
-  public async submit() {
-    if (!this.workerCount() || this.workerCount() > MAX_NUM_WORKERS) {
-      this.formErrors("Invalid worker count specified");
-      this.formErrorsDetails(`The number of workers should be between 0 and ${MAX_NUM_WORKERS}`);
-      return;
-    }
-
-    if (!this._defaultCluster()) {
-      this.formErrors("No default cluster found");
-      this.formErrorsDetails("No default cluster found to be associated with this account");
-      return;
-    }
-
-    const startKey = TelemetryProcessor.traceStart(Action.UpdateSparkCluster, {
-      databaseAccountName: this.container && this.container.databaseAccount().name,
-      defaultExperience: this.container && this.container.defaultExperience(),
-      dataExplorerArea: Areas.ContextualPane,
-      paneTitle: this.title()
-    });
-    const workerCount = this.workerCount();
-    const id = NotificationConsoleUtils.logConsoleMessage(
-      ConsoleDataType.InProgress,
-      `Updating default cluster worker count to ${workerCount} nodes`
-    );
-    this.isExecuting(true);
-    try {
-      const databaseAccount = this.container && this.container.databaseAccount();
-      const cluster = this._defaultCluster();
-      cluster.properties.workerInstanceCount = workerCount;
-      const updatedCluster =
-        this.container &&
-        (await this.container.sparkClusterManager.updateClusterAsync(
-          databaseAccount && databaseAccount.id,
-          cluster.name,
-          cluster
-        ));
-      this._defaultCluster(updatedCluster);
-      NotificationConsoleUtils.logConsoleMessage(
-        ConsoleDataType.Info,
-        `Successfully updated default cluster worker count to ${workerCount} nodes`
-      );
-      TelemetryProcessor.traceSuccess(
-        Action.UpdateSparkCluster,
-        {
-          databaseAccountName: this.container && this.container.databaseAccount().name,
-          defaultExperience: this.container && this.container.defaultExperience(),
-          dataExplorerArea: Areas.ContextualPane,
-          paneTitle: this.title()
-        },
-        startKey
-      );
-    } catch (error) {
-      NotificationConsoleUtils.logConsoleMessage(
-        ConsoleDataType.Error,
-        `Failed to update default cluster worker count to ${workerCount} nodes: ${JSON.stringify(error)}`
-      );
-      TelemetryProcessor.traceFailure(
-        Action.UpdateSparkCluster,
-        {
-          databaseAccountName: this.container && this.container.databaseAccount().name,
-          defaultExperience: this.container && this.container.defaultExperience(),
-          dataExplorerArea: Areas.ContextualPane,
-          paneTitle: this.title(),
-          error: JSON.stringify(error)
-        },
-        startKey
-      );
-    } finally {
-      this.isExecuting(false);
-      NotificationConsoleUtils.clearInProgressMessageWithId(id);
-    }
-  }
-
-  public onClusterSettingsChange = (cluster: DataModels.SparkCluster) => {
-    this._defaultCluster(cluster);
-    this.workerCount(
-      (cluster &&
-        cluster.properties &&
-        cluster.properties.workerInstanceCount !== undefined &&
-        cluster.properties.workerInstanceCount) ||
-        0
-    );
-  };
-
-  public async open() {
-    const defaultCluster = await this.container.sparkClusterManager.getClusterAsync(
-      this.container.databaseAccount().id,
-      "default"
-    );
-    this._defaultCluster(defaultCluster);
-    this.workerCount(
-      (defaultCluster &&
-        defaultCluster.properties &&
-        defaultCluster.properties.workerInstanceCount !== undefined &&
-        defaultCluster.properties.workerInstanceCount) ||
-        0
-    );
-    super.open();
-  }
-}

src/Explorer/Panes/PaneComponents.ts

@@ -19,8 +19,6 @@ import BrowseQueriesPaneTemplate from "./BrowseQueriesPane.html";
 import UploadFilePaneTemplate from "./UploadFilePane.html";
 import StringInputPaneTemplate from "./StringInputPane.html";
 import SetupNotebooksPaneTemplate from "./SetupNotebooksPane.html";
-import SetupSparkClusterPaneTemplate from "./SetupSparkClusterPane.html";
-import ManageSparkClusterPaneTemplate from "./ManageSparkClusterPane.html";
 import LibraryManagePaneTemplate from "./LibraryManagePane.html";
 import ClusterLibraryPaneTemplate from "./ClusterLibraryPane.html";
 import GitHubReposPaneTemplate from "./GitHubReposPane.html";
@@ -220,24 +218,6 @@ export class SetupNotebooksPaneComponent {
   }
 }
 
-export class SetupSparkClusterPaneComponent {
-  constructor() {
-    return {
-      viewModel: PaneComponent,
-      template: SetupSparkClusterPaneTemplate
-    };
-  }
-}
-
-export class ManageSparkClusterPaneComponent {
-  constructor() {
-    return {
-      viewModel: PaneComponent,
-      template: ManageSparkClusterPaneTemplate
-    };
-  }
-}
-
 export class LibraryManagePaneComponent {
   constructor() {
     return {

src/Explorer/Panes/RenewAdHocAccessPane.ts

@@ -53,7 +53,7 @@ export class RenewAdHocAccessPane extends ContextualPaneBase implements ViewMode
     const apiKind: DataModels.ApiKind =
       this.container && DefaultExperienceUtility.getApiKindFromDefaultExperience(this.container.defaultExperience());
     const hasOpenedTabs: boolean =
-      (this.container && this.container.openedTabs() && this.container.openedTabs().length > 0) || false;
+      (this.container && this.container.tabsManager && this.container.tabsManager.openedTabs().length > 0) || false;
 
     if (!inputMetadata || inputMetadata.apiKind == null || !inputMetadata.accountName) {
       this.formErrors("Invalid connection string input");

src/Explorer/Panes/SaveQueryPane.ts

@@ -34,7 +34,8 @@ export class SaveQueryPane extends ContextualPaneBase {
     }
 
     const queryName: string = this.queryName();
-    const queryTab: ViewModels.QueryTab = this.container && (this.container.findActiveTab() as ViewModels.QueryTab);
+    const queryTab: ViewModels.QueryTab =
+      this.container && (this.container.tabsManager.activeTab() as ViewModels.QueryTab);
     const query: string = queryTab && queryTab.sqlQueryEditorContent();
     if (!queryName || queryName.length === 0) {
       this.formErrors("No query name specified");

src/Explorer/Panes/SetupSparkClusterPane.html

@@ -1,52 +0,0 @@
-<div data-bind="visible: visible, event: { keydown: onPaneKeyDown }">
-  <div class="contextual-pane-out" data-bind="click: cancel, clickBubble: false"></div>
-  <div class="contextual-pane" id="setupsparkclusterpane">
-    <!-- Setup spark form -- Start -->
-    <div class="contextual-pane-in">
-      <form class="paneContentContainer" data-bind="submit: submit">
-        <div class="paneContentContainer">
-          <!-- Setup spark header - Start -->
-          <div class="firstdivbg headerline">
-            <span data-bind="text: title"></span>
-            <div
-              class="closeImg"
-              role="button"
-              aria-label="Close pane"
-              tabindex="0"
-              data-bind="click: cancel, event: { keypress: onCloseKeyPress }"
-            >
-              <img src="../../../images/close-black.svg" title="Close" alt="Close" />
-            </div>
-          </div>
-          <!-- Setup spark header - End -->
-
-          <div class="paneMainContent">
-            <div class="pkPadding">
-              <div data-bind="text: setupSparkClusterText"></div>
-              <div class="seconddivpadding">
-                <div>Worker Count</div>
-                <input
-                  class="sparkWorkerCountInput"
-                  type="number"
-                  min="1"
-                  aria-label="worker count input"
-                  required
-                  data-bind="textInput: workerCount, attr: { max: maxWorkerNodes }"
-                />
-              </div>
-            </div>
-          </div>
-          <div class="paneFooter">
-            <div class="leftpanel-okbut"><input type="submit" value="Complete Setup" class="btncreatecoll1" /></div>
-          </div>
-        </div>
-      </form>
-    </div>
-    <!-- Setup spark form - Start -->
-    <!-- Loader - Start -->
-    <div class="dataExplorerLoaderContainer dataExplorerPaneLoaderContainer" data-bind="visible: isExecuting">
-      <img class="dataExplorerLoader" alt="loading indicator image" src="/LoadingIndicator_3Squares.gif" />
-    </div>
-    <!-- Loader - End -->
-  </div>
-</div>

src/Explorer/Panes/SetupSparkClusterPane.ts

@@ -1,99 +0,0 @@
-import * as ko from "knockout";
-import * as ViewModels from "../../Contracts/ViewModels";
-import { Action } from "../../Shared/Telemetry/TelemetryConstants";
-import { Areas } from "../../Common/Constants";
-import { ConsoleDataType } from "../Menus/NotificationConsole/NotificationConsoleComponent";
-import { ContextualPaneBase } from "./ContextualPaneBase";
-import { NotificationConsoleUtils } from "../../Utils/NotificationConsoleUtils";
-import { Spark } from "../../Common/Constants";
-import TelemetryProcessor from "../../Shared/Telemetry/TelemetryProcessor";
-
-export class SetupSparkClusterPane extends ContextualPaneBase {
-  public setupSparkClusterText: string =
-    "Looks like you have not yet created a default spark cluster for this account. To proceed and start using notebooks with spark, we'll need to create a default spark cluster for this account.";
-  public readonly maxWorkerNodes: number = Spark.MaxWorkerCount;
-  public workerCount: ko.Observable<number>;
-
-  constructor(options: ViewModels.PaneOptions) {
-    super(options);
-    this.title("Enable spark");
-    this.workerCount = ko.observable<number>(1);
-    this.resetData();
-  }
-
-  public async submit() {
-    await this.setupSparkCluster();
-  }
-
-  public async setupSparkCluster(): Promise<void> {
-    if (!this.container) {
-      return;
-    }
-
-    const startKey: number = TelemetryProcessor.traceStart(Action.CreateSparkCluster, {
-      databaseAccountName: this.container && this.container.databaseAccount().name,
-      defaultExperience: this.container && this.container.defaultExperience(),
-      dataExplorerArea: Areas.ContextualPane,
-      paneTitle: this.title()
-    });
-    const id = NotificationConsoleUtils.logConsoleMessage(
-      ConsoleDataType.InProgress,
-      "Creating a new default spark cluster"
-    );
-    try {
-      this.isExecuting(true);
-      await this.container.sparkClusterManager.createClusterAsync(
-        this.container.databaseAccount() && this.container.databaseAccount().id,
-        {
-          name: "default",
-          properties: {
-            kind: "Spark",
-            workerInstanceCount: this.workerCount(),
-            driverSize: "Cosmos.Spark.D4s",
-            workerSize: "Cosmos.Spark.D4s",
-            creationTime: undefined,
-            status: undefined
-          }
-        }
-      );
-      this.container.isAccountReady.valueHasMutated(); // refresh internal state
-      this.close();
-      TelemetryProcessor.traceSuccess(
-        Action.CreateSparkCluster,
-        {
-          databaseAccountName: this.container && this.container.databaseAccount().name,
-          defaultExperience: this.container && this.container.defaultExperience(),
-          dataExplorerArea: Areas.ContextualPane,
-          paneTitle: this.title()
-        },
-        startKey
-      );
-      NotificationConsoleUtils.logConsoleMessage(
-        ConsoleDataType.Info,
-        "Successfully created a default spark cluster for the account"
-      );
-    } catch (error) {
-      const errorMessage = typeof error == "string" ? error : JSON.stringify(error);
-      TelemetryProcessor.traceFailure(
-        Action.CreateSparkCluster,
-        {
-          databaseAccountName: this.container && this.container.databaseAccount().name,
-          defaultExperience: this.container && this.container.defaultExperience(),
-          dataExplorerArea: Areas.ContextualPane,
-          paneTitle: this.title(),
-          error: errorMessage
-        },
-        startKey
-      );
-      this.formErrors("Failed to setup a default spark cluster");
-      this.formErrorsDetails(`Failed to setup a default spark cluster: ${errorMessage}`);
-      NotificationConsoleUtils.logConsoleMessage(
-        ConsoleDataType.Error,
-        `Failed to create a default spark cluster: ${errorMessage}`
-      );
-    } finally {
-      this.isExecuting(false);
-      NotificationConsoleUtils.clearInProgressMessageWithId(id);
-    }
-  }
-}

src/Explorer/SplashScreen/SplashScreenComponentAdapter.test.ts

@@ -1,15 +1,16 @@
 import * as ko from "knockout";
 import { DataSamplesUtil } from "../DataSamples/DataSamplesUtil";
 import { SplashScreenComponentAdapter } from "./SplashScreenComponentApdapter";
+import { TabsManager } from "../Tabs/TabsManager";
 import Explorer from "../Explorer";
 jest.mock("../Explorer");
 
 const createExplorer = () => {
   const mock = new Explorer({} as any);
-  mock.openedTabs = ko.observableArray([]);
   mock.selectedNode = ko.observable();
   mock.isNotebookEnabled = ko.observable(false);
   mock.addCollectionText = ko.observable("add collection");
+  mock.tabsManager = new TabsManager();
   return mock as jest.Mocked<Explorer>;
 };
 

src/Explorer/SplashScreen/SplashScreenComponentApdapter.tsx

@@ -31,7 +31,7 @@ export class SplashScreenComponentAdapter implements ReactAdapter {
 
   constructor(private container: ViewModels.Explorer) {
     this.parameters = ko.observable<number>(Date.now());
-    this.container.openedTabs.subscribe(tabs => {
+    this.container.tabsManager.openedTabs.subscribe((tabs: ViewModels.Tab[]) => {
       if (tabs.length === 0) {
         this.forceRender();
       }

src/Explorer/Tabs/ConflictsTab.ts

@@ -21,7 +21,7 @@ import DeleteIcon from "../../../images/delete.svg";
 import { QueryIterator, ItemDefinition, Resource, ConflictDefinition } from "@azure/cosmos";
 import { MinimalQueryIterator } from "../../Common/IteratorUtilities";
 
-export class ConflictsTab extends TabsBase implements ViewModels.ConflictsTab {
+export default class ConflictsTab extends TabsBase implements ViewModels.ConflictsTab {
   public selectedConflictId: ko.Observable<ViewModels.ConflictId>;
   public selectedConflictContent: ViewModels.Editable<string>;
   public selectedConflictCurrent: ViewModels.Editable<string>;

src/Explorer/Tabs/DocumentsTab.test.ts

@@ -20,8 +20,7 @@ describe("Documents tab", () => {
         hashLocation: "",
         isActive: ko.observable<boolean>(false),
 
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(documentsTab.buildQuery("")).toContain("select");
@@ -104,8 +103,7 @@ describe("Documents tab", () => {
         hashLocation: "",
         isActive: ko.observable<boolean>(false),
 
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(documentsTab.showPartitionKey).toBe(false);
@@ -124,8 +122,7 @@ describe("Documents tab", () => {
         hashLocation: "",
         isActive: ko.observable<boolean>(false),
 
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(documentsTab.showPartitionKey).toBe(false);
@@ -144,8 +141,7 @@ describe("Documents tab", () => {
         hashLocation: "",
         isActive: ko.observable<boolean>(false),
 
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(documentsTab.showPartitionKey).toBe(true);
@@ -164,8 +160,7 @@ describe("Documents tab", () => {
         hashLocation: "",
         isActive: ko.observable<boolean>(false),
 
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(documentsTab.showPartitionKey).toBe(false);
@@ -184,8 +179,7 @@ describe("Documents tab", () => {
         hashLocation: "",
         isActive: ko.observable<boolean>(false),
 
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(documentsTab.showPartitionKey).toBe(true);

src/Explorer/Tabs/QueryTab.test.ts

@@ -28,8 +28,7 @@ describe("Query Tab", () => {
       selfLink: "",
       isActive: ko.observable<boolean>(false),
       hashLocation: "",
-      onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-      openedTabs: []
+      onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
     });
   }
 

src/Explorer/Tabs/SettingsTab.test.ts

@@ -76,8 +76,7 @@ describe("Settings tab", () => {
             quotaInfo,
             null
           ),
-          onUpdateTabsButtons: undefined,
-          openedTabs: []
+          onUpdateTabsButtons: undefined
         });
       };
 
@@ -196,8 +195,7 @@ describe("Settings tab", () => {
         hashLocation: "",
         isActive: ko.observable(false),
         collection: new Collection(explorer, "mydb", baseCollection, quotaInfo, null),
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(settingsTab.shouldUpdateCollection()).toBe(false);
@@ -221,8 +219,7 @@ describe("Settings tab", () => {
         hashLocation: "",
         isActive: ko.observable(false),
         collection: new Collection(explorer, "mydb", baseCollection, quotaInfo, null),
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(settingsTab.shouldUpdateCollection()).toBe(false);
@@ -241,8 +238,7 @@ describe("Settings tab", () => {
         hashLocation: "",
         isActive: ko.observable(false),
         collection: new Collection(explorer, "mydb", baseCollection, quotaInfo, null),
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(settingsTab.shouldUpdateCollection()).toBe(false);
@@ -281,8 +277,7 @@ describe("Settings tab", () => {
         hashLocation: "",
         isActive: ko.observable(false),
         collection: new Collection(explorer, "mydb", baseCollection, quotaInfo, null),
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(settingsTab.getUpdatedConflictResolutionPolicy()).toBe(null);
@@ -299,8 +294,7 @@ describe("Settings tab", () => {
         hashLocation: "",
         isActive: ko.observable(false),
         collection: new Collection(explorer, "mydb", baseCollection, quotaInfo, null),
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(settingsTab.getUpdatedConflictResolutionPolicy()).toBe(null);
@@ -326,8 +320,7 @@ describe("Settings tab", () => {
         hashLocation: "",
         isActive: ko.observable(false),
         collection: new Collection(explorer, "mydb", baseCollection, quotaInfo, null),
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
 
       expect(settingsTab.getUpdatedConflictResolutionPolicy()).toBe(null);
@@ -408,8 +401,7 @@ describe("Settings tab", () => {
         hashLocation: "",
         isActive: ko.observable(false),
         collection: getCollection(defaultApi, partitionKeyOption),
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
     }
 
@@ -555,8 +547,7 @@ describe("Settings tab", () => {
         hashLocation: "",
         isActive: ko.observable(false),
         collection: getCollection(autoPilotTier),
-        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {},
-        openedTabs: []
+        onUpdateTabsButtons: (buttons: ViewModels.NavbarButtonConfig[]): void => {}
       });
     }
     describe("Visible", () => {

src/Explorer/Tabs/SettingsTab.ts

@@ -252,7 +252,7 @@ export default class SettingsTab extends TabsBase implements ViewModels.Settings
     this.throughputModeRadioName = `throughputModeRadio${this.tabId}`;
 
     this.changeFeedPolicyToggled = editable.observable<ChangeFeedPolicyToggledState>(
-      this.collection.rawDataModel.changeFeedPolicy != null
+      this.collection.rawDataModel?.changeFeedPolicy != null
         ? ChangeFeedPolicyToggledState.On
         : ChangeFeedPolicyToggledState.Off
     );

src/Explorer/Tabs/TabComponents.ts

@@ -16,6 +16,7 @@ import TriggerTabTemplate from "./TriggerTab.html";
 import UserDefinedFunctionTabTemplate from "./UserDefinedFunctionTab.html";
 import GalleryTabTemplate from "./GalleryTab.html";
 import NotebookViewerTabTemplate from "./NotebookViewerTab.html";
+import TabsManagerTemplate from "./TabsManager.html";
 
 export class TabComponent {
   constructor(data: any) {
@@ -23,6 +24,15 @@ export class TabComponent {
   }
 }
 
+export class TabsManager {
+  constructor() {
+    return {
+      viewModel: TabComponent,
+      template: TabsManagerTemplate
+    };
+  }
+}
+
 export class DocumentsTab {
   constructor() {
     return {

src/Explorer/Tabs/TabsBase.ts

@@ -24,8 +24,6 @@ export default class TabsBase extends WaitsForTemplateViewModel implements ViewM
   public tabKind: ViewModels.CollectionTabKind;
   public tabTitle: ko.Observable<string>;
   public tabPath: ko.Observable<string>;
-  public nextTab: ko.Observable<ViewModels.Tab>;
-  public previousTab: ko.Observable<ViewModels.Tab>;
   public closeButtonTabIndex: ko.Computed<number>;
   public errorDetailsTabIndex: ko.Computed<number>;
   public hashLocation: ko.Observable<string>;
@@ -55,8 +53,6 @@ export default class TabsBase extends WaitsForTemplateViewModel implements ViewM
       (options.tabPath && ko.observable<string>(options.tabPath)) ||
       (this.collection &&
         ko.observable<string>(`${this.collection.databaseId}>${this.collection.id()}>${this.tabTitle()}`));
-    this.nextTab = ko.observable<ViewModels.Tab>();
-    this.previousTab = ko.observable<ViewModels.Tab>();
     this.closeButtonTabIndex = ko.computed<number>(() => (this.isActive() ? 0 : null));
     this.errorDetailsTabIndex = ko.computed<number>(() => (this.isActive() ? 0 : null));
     this.isExecutionError = ko.observable<boolean>(false);
@@ -80,34 +76,11 @@ export default class TabsBase extends WaitsForTemplateViewModel implements ViewM
         return true;
       })
     };
-
-    const openedTabs = options.openedTabs;
-    if (openedTabs && openedTabs.length && openedTabs.length > 0) {
-      const lastTab = openedTabs[openedTabs.length - 1];
-      lastTab && lastTab.nextTab(this);
-      this.previousTab(lastTab);
-    }
   }
 
-  public onCloseTabButtonClick(): Q.Promise<any> {
-    const previousTab = this.previousTab();
-    const nextTab = this.nextTab();
-
-    previousTab && previousTab.nextTab(nextTab);
-    nextTab && nextTab.previousTab(previousTab);
-
-    this.getContainer().openedTabs.remove(tab => tab.tabId === this.tabId);
-
-    const tabToActivate = nextTab || previousTab;
-
-    if (!tabToActivate) {
-      this.getContainer().selectedNode(null);
-      this.getContainer().onUpdateTabsButtons([]);
-      this.getContainer().activeTab(null);
-    } else {
-      tabToActivate.isActive(true);
-      this.getContainer().activeTab(tabToActivate);
-    }
+  public onCloseTabButtonClick(): void {
+    const explorer: ViewModels.Explorer = this.getContainer();
+    explorer.tabsManager.closeTab(this.tabId, explorer);
 
     TelemetryProcessor.trace(Action.Tab, ActionModifiers.Close, {
       databaseAccountName: this.getContainer().databaseAccount().name,
@@ -115,16 +88,10 @@ export default class TabsBase extends WaitsForTemplateViewModel implements ViewM
       dataExplorerArea: Constants.Areas.Tab,
       tabTitle: this.tabTitle()
     });
-    return Q();
   }
 
   public onTabClick(): Q.Promise<any> {
-    for (let i = 0; i < this.getContainer().openedTabs().length; i++) {
-      const tab = this.getContainer().openedTabs()[i];
-      tab.isActive(false);
-    }
-    this.isActive(true);
-    this.getContainer().activeTab(this);
+    this.getContainer().tabsManager.activateTab(this);
     return Q();
   }
 

src/Explorer/Tabs/TabsManager.html

@@ -0,0 +1,148 @@
+<div id="content" class="flexContainer hideOverflows" data-bind="visible: openedTabs && openedTabs().length > 0">
+  <!-- Tabs - Start -->
+  <div class="nav-tabs-margin">
+    <ul class="nav nav-tabs level navTabHeight" id="navTabs" role="tablist">
+      <!-- ko foreach: openedTabs -->
+      <li
+        class="tabList"
+        data-bind="
+                              attr: {
+                                  title: $data.tabPath,
+                                  'aria-selected': $data.isActive,
+                                  'aria-expanded': $data.isActive,
+                                  'aria-controls': $data.tabId
+                              },
+                              css:{
+                                  active: $data.isActive
+                              },
+                              hasFocus: $data.hasFocus,
+                              event: { keypress: onKeyPressActivate },
+                              click: $data.onTabClick,"
+        tabindex="0"
+        role="tab"
+      >
+        <span class="tabNavContentContainer">
+          <a data-toggle="tab" data-bind="attr: { href: '#' + $data.tabId }" tabindex="-1">
+            <div class="tab_Content">
+              <span class="statusIconContainer">
+                <div
+                  class="errorIconContainer"
+                  id="errorStatusIcon"
+                  title="Click to view more details"
+                  role="button"
+                  data-bind="
+                                              click: onErrorDetailsClick,
+                                              event: { keypress: onErrorDetailsKeyPress },
+                                              attr: { tabindex: errorDetailsTabIndex },
+                                              css: { actionsEnabled: isActive },
+                                              visible: isExecutionError"
+                >
+                  <span class="errorIcon"></span>
+                </div>
+                <img
+                  class="loadingIcon"
+                  title="Loading"
+                  src="/circular_loader_black_16x16.gif"
+                  data-bind="visible: $data.isExecuting"
+                  alt="Loading"
+                />
+              </span>
+              <span class="tabNavText" data-bind="text: $data.tabTitle"></span>
+              <span class="tabIconSection">
+                <span
+                  aria-label="Close Tab"
+                  role="button"
+                  class="cancelButton"
+                  data-bind="
+                                              click: $data.onCloseTabButtonClick,
+                                              event: { keypress: onKeyPressClose },
+                                              attr: { tabindex: $data.closeButtonTabIndex },
+                                              visible: $data.isActive() || $data.isMouseOver()"
+                  title="Close"
+                >
+                  <span class="tabIcon close-Icon" data-bind="visible: $data.isActive() || $data.isMouseOver()">
+                    <img src="../../../images/close-black.svg" title="Close" alt="Close" />
+                  </span>
+                </span>
+              </span>
+            </div>
+          </a>
+        </span>
+      </li>
+      <!-- /ko -->
+    </ul>
+  </div>
+  <!-- Tabs -- End -->
+
+  <!-- Tabs Panes -- Start -->
+  <div class="tabPanesContainer">
+    <!-- ko foreach: openedTabs -->
+    <div class="tabs-container" data-bind="visible: $data.isActive">
+      <!-- ko if: $data.tabKind === 0 -->
+      <documents-tab params="{data: $data}"></documents-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 1 -->
+      <settings-tab params="{data: $data}"></settings-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 2 -->
+      <stored-procedure-tab params="{data: $data}"></stored-procedure-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 3 -->
+      <user-defined-function-tab params="{data: $data}"></user-defined-function-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 4 -->
+      <trigger-tab params="{data: $data}"></trigger-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 5 -->
+      <query-tab params="{data: $data}"></query-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 6 -->
+      <graph-tab params="{data: $data}"></graph-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 9 -->
+      <tables-query-tab class="flexContainer" params="{data: $data}"></tables-query-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 10 -->
+      <mongo-shell-tab params="{data: $data}"></mongo-shell-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 11 -->
+      <database-settings-tab params="{data: $data}"></database-settings-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 12 -->
+      <conflicts-tab params="{data: $data}"></conflicts-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 14 -->
+      <terminal-tab params="{data: $data}"></terminal-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 15 -->
+      <notebookv2-tab params="{data: $data}"></notebookv2-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 16 -->
+      <spark-master-tab params="{data: $data}"></spark-master-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 17 -->
+      <gallery-tab params="{data: $data}"></gallery-tab>
+      <!-- /ko -->
+
+      <!-- ko if: $data.tabKind === 18 -->
+      <notebook-viewer-tab params="{data: $data}"></notebook-viewer-tab>
+      <!-- /ko -->
+    </div>
+    <!-- /ko -->
+  </div>
+  <!-- Tabs Panes - End -->
+</div>

src/Explorer/Tabs/TabsManager.test.ts

@@ -0,0 +1,138 @@
+import * as ko from "knockout";
+import * as ViewModels from "../../Contracts/ViewModels";
+import { CollectionStub, DatabaseStub } from "../../Explorer/OpenActionsStubs";
+import { DataAccessUtility } from "../../Platform/Portal/DataAccessUtility";
+import { TabsManager } from "./TabsManager";
+import DocumentClientUtilityBase from "../../Common/DocumentClientUtilityBase";
+import DocumentsTab from "./DocumentsTab";
+import Explorer from "../Explorer";
+import QueryTab from "./QueryTab";
+
+describe("Tabs manager tests", () => {
+  let tabsManager: TabsManager;
+  let explorer: ViewModels.Explorer;
+  let database: ViewModels.Database;
+  let collection: ViewModels.Collection;
+  let queryTab: QueryTab;
+  let documentsTab: DocumentsTab;
+
+  beforeAll(() => {
+    explorer = new Explorer({ documentClientUtility: undefined, notificationsClient: undefined, isEmulator: false });
+    explorer.databaseAccount = ko.observable<ViewModels.DatabaseAccount>({
+      id: "test",
+      name: "test",
+      location: "",
+      type: "",
+      kind: "",
+      tags: "",
+      properties: undefined
+    });
+
+    database = new DatabaseStub({
+      container: explorer,
+      id: ko.observable<string>("test"),
+      isDatabaseShared: () => false
+    });
+    database.isDatabaseExpanded = ko.observable<boolean>(true);
+    database.selectedSubnodeKind = ko.observable<ViewModels.CollectionTabKind>();
+
+    collection = new CollectionStub({
+      container: explorer,
+      databaseId: "test",
+      id: ko.observable<string>("test")
+    });
+    collection.getDatabase = (): ViewModels.Database => database;
+    collection.isCollectionExpanded = ko.observable<boolean>(true);
+    collection.selectedSubnodeKind = ko.observable<ViewModels.CollectionTabKind>();
+
+    queryTab = new QueryTab({
+      tabKind: ViewModels.CollectionTabKind.Query,
+      collection,
+      database,
+      title: "",
+      tabPath: "",
+      documentClientUtility: explorer.documentClientUtility,
+      selfLink: "",
+      isActive: ko.observable<boolean>(false),
+      hashLocation: "",
+      onUpdateTabsButtons: undefined
+    });
+
+    documentsTab = new DocumentsTab({
+      partitionKey: undefined,
+      documentIds: ko.observableArray<ViewModels.DocumentId>(),
+      tabKind: ViewModels.CollectionTabKind.Documents,
+      collection,
+      title: "",
+      tabPath: "",
+      documentClientUtility: new DocumentClientUtilityBase(new DataAccessUtility()),
+      selfLink: "",
+      hashLocation: "",
+      isActive: ko.observable<boolean>(false),
+      onUpdateTabsButtons: undefined
+    });
+  });
+
+  beforeEach(() => {
+    tabsManager = new TabsManager();
+    explorer.tabsManager = tabsManager;
+  });
+
+  it("open new tabs", () => {
+    tabsManager.activateNewTab(queryTab);
+    expect(tabsManager.openedTabs().length).toBe(1);
+    expect(tabsManager.openedTabs()[0]).toEqual(queryTab);
+    expect(tabsManager.activeTab()).toEqual(queryTab);
+    expect(queryTab.isActive()).toBe(true);
+
+    tabsManager.activateNewTab(documentsTab);
+    expect(tabsManager.openedTabs().length).toBe(2);
+    expect(tabsManager.openedTabs()[1]).toEqual(documentsTab);
+    expect(tabsManager.activeTab()).toEqual(documentsTab);
+    expect(queryTab.isActive()).toBe(false);
+    expect(documentsTab.isActive()).toBe(true);
+  });
+
+  it("open existing tabs", () => {
+    tabsManager.activateNewTab(queryTab);
+    tabsManager.activateNewTab(documentsTab);
+    tabsManager.activateTab(queryTab);
+    expect(tabsManager.openedTabs().length).toBe(2);
+    expect(tabsManager.activeTab()).toEqual(queryTab);
+    expect(queryTab.isActive()).toBe(true);
+    expect(documentsTab.isActive()).toBe(false);
+  });
+
+  it("get tabs", () => {
+    tabsManager.activateNewTab(queryTab);
+    tabsManager.activateNewTab(documentsTab);
+
+    const queryTabs: ViewModels.Tab[] = tabsManager.getTabs(ViewModels.CollectionTabKind.Query);
+    expect(queryTabs.length).toBe(1);
+    expect(queryTabs[0]).toEqual(queryTab);
+
+    const documentsTabs: ViewModels.Tab[] = tabsManager.getTabs(
+      ViewModels.CollectionTabKind.Documents,
+      (tab: ViewModels.Tab) => tab.tabId === documentsTab.tabId
+    );
+    expect(documentsTabs.length).toBe(1);
+    expect(documentsTabs[0]).toEqual(documentsTab);
+  });
+
+  it("close tabs", () => {
+    tabsManager.activateNewTab(queryTab);
+    tabsManager.activateNewTab(documentsTab);
+
+    tabsManager.closeTab(documentsTab.tabId, explorer);
+    expect(tabsManager.openedTabs().length).toBe(1);
+    expect(tabsManager.openedTabs()[0]).toEqual(queryTab);
+    expect(tabsManager.activeTab()).toEqual(queryTab);
+    expect(queryTab.isActive()).toBe(true);
+    expect(documentsTab.isActive()).toBe(false);
+
+    tabsManager.closeTabsByComparator((tab: ViewModels.Tab) => tab.tabId === queryTab.tabId);
+    expect(tabsManager.openedTabs().length).toBe(0);
+    expect(tabsManager.activeTab()).toEqual(undefined);
+    expect(queryTab.isActive()).toBe(false);
+  });
+});

src/Explorer/Tabs/TabsManager.ts

@@ -0,0 +1,96 @@
+import * as ko from "knockout";
+import * as ViewModels from "../../Contracts/ViewModels";
+import TabsManagerTemplate from "./TabsManager.html";
+
+export class TabsManager {
+  public openedTabs: ko.ObservableArray<ViewModels.Tab>;
+  public activeTab: ko.Observable<ViewModels.Tab>;
+
+  constructor() {
+    this.openedTabs = ko.observableArray<ViewModels.Tab>([]);
+    this.activeTab = ko.observable<ViewModels.Tab>();
+  }
+
+  public activateNewTab(tab: ViewModels.Tab): void {
+    this.openedTabs.push(tab);
+    this.activateTab(tab);
+  }
+
+  public activateTab(tab: ViewModels.Tab): void {
+    this.activeTab() && this.activeTab().isActive(false);
+    tab.isActive(true);
+    this.activeTab(tab);
+  }
+
+  public getTabs(
+    tabKind: ViewModels.CollectionTabKind,
+    comparator?: (tab: ViewModels.Tab) => boolean
+  ): ViewModels.Tab[] {
+    return this.openedTabs().filter((openedTab: ViewModels.Tab) => {
+      return openedTab.tabKind === tabKind && (!comparator || comparator(openedTab));
+    });
+  }
+
+  public refreshActiveTab(comparator: (tab: ViewModels.Tab) => boolean): void {
+    // ensures that the tab selects/highlights the right node based on resource tree expand/collapse state
+    this.openedTabs().forEach((tab: ViewModels.Tab) => {
+      if (comparator(tab) && tab.isActive()) {
+        tab.onActivate();
+      }
+    });
+  }
+
+  public removeTabById(tabId: string): void {
+    this.openedTabs.remove((tab: ViewModels.Tab) => tab.tabId === tabId);
+  }
+
+  public removeTabByComparator(comparator: (tab: ViewModels.Tab) => boolean): void {
+    this.openedTabs.remove((tab: ViewModels.Tab) => comparator(tab));
+  }
+
+  public closeTabsByComparator(comparator: (tab: ViewModels.Tab) => boolean): void {
+    this.activeTab() && this.activeTab().isActive(false);
+    this.activeTab(undefined);
+    this.openedTabs().forEach((tab: ViewModels.Tab) => {
+      if (comparator(tab)) {
+        tab.onCloseTabButtonClick();
+      }
+    });
+  }
+
+  public closeTabs(): void {
+    this.openedTabs([]);
+  }
+
+  public closeTab(tabId: string, explorer: ViewModels.Explorer): void {
+    const tabIndex: number = this.openedTabs().findIndex((tab: ViewModels.Tab) => tab.tabId === tabId);
+    if (tabIndex !== -1) {
+      const tabToActive: ViewModels.Tab = this.openedTabs()[tabIndex + 1] || this.openedTabs()[tabIndex - 1];
+      this.openedTabs()[tabIndex].isActive(false);
+      this.removeTabById(tabId);
+      if (tabToActive) {
+        tabToActive.isActive(true);
+        this.activeTab(tabToActive);
+      } else {
+        explorer.selectedNode(undefined);
+        explorer.onUpdateTabsButtons([]);
+        this.activeTab(undefined);
+      }
+    }
+  }
+
+  public isTabActive(tabKind: ViewModels.CollectionTabKind): boolean {
+    return this.activeTab() && this.activeTab().tabKind === tabKind;
+  }
+}
+
+function TabsManagerWrapperViewModel(params: { data: TabsManager }) {
+  return params.data;
+}
+
+export function TabsManagerKOComponent(): unknown {
+  return {
+    viewModel: TabsManagerWrapperViewModel,
+    template: TabsManagerTemplate
+  };
+}

src/Explorer/Tree/Collection.ts

@@ -16,7 +16,10 @@ import { OfferUtils } from "../../Utils/OfferUtils";
 import { StartUploadMessageParams, UploadDetails, UploadDetailsRecord } from "../../workers/upload/definitions";
 import { ConsoleDataType } from "../Menus/NotificationConsole/NotificationConsoleComponent";
 import { CassandraAPIDataClient, CassandraTableKey, CassandraTableKeys } from "../Tables/TableDataClient";
-import { ConflictsTab } from "../Tabs/ConflictsTab";
+import ConflictId from "./ConflictId";
+
+import DocumentId from "./DocumentId";
+import ConflictsTab from "../Tabs/ConflictsTab";
 import DocumentsTab from "../Tabs/DocumentsTab";
 import GraphTab from "../Tabs/GraphTab";
 import MongoDocumentsTab from "../Tabs/MongoDocumentsTab";
@@ -25,8 +28,6 @@ import MongoShellTab from "../Tabs/MongoShellTab";
 import QueryTab from "../Tabs/QueryTab";
 import QueryTablesTab from "../Tabs/QueryTablesTab";
 import SettingsTab from "../Tabs/SettingsTab";
-import ConflictId from "./ConflictId";
-import DocumentId from "./DocumentId";
 import StoredProcedure from "./StoredProcedure";
 import Trigger from "./Trigger";
 import UserDefinedFunction from "./UserDefinedFunction";
@@ -229,7 +230,9 @@ export default class Collection implements ViewModels.Collection {
       this.expandCollection();
     }
     this.container.onUpdateTabsButtons([]);
-    this.refreshActiveTab();
+    this.container.tabsManager.refreshActiveTab(
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.rid === this.rid
+    );
   }
 
   public collapseCollection() {
@@ -278,14 +281,15 @@ export default class Collection implements ViewModels.Collection {
       dataExplorerArea: Constants.Areas.ResourceTree
     });
 
-    // create documents tab if not created yet
-    const openedTabs = this.container.openedTabs();
+    const documentsTabs: DocumentsTab[] = this.container.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.Documents,
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.rid === this.rid
+    ) as DocumentsTab[];
+    let documentsTab: DocumentsTab = documentsTabs && documentsTabs[0];
 
-    let documentsTab: ViewModels.Tab = openedTabs
-      .filter(tab => tab.collection && tab.collection.rid === this.rid)
-      .filter(tab => tab.tabKind === ViewModels.CollectionTabKind.Documents)[0];
-
-    if (!documentsTab) {
+    if (documentsTab) {
+      this.container.tabsManager.activateTab(documentsTab);
+    } else {
       const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
         databaseAccountName: this.container.databaseAccount().name,
         databaseName: this.databaseId,
@@ -295,6 +299,7 @@ export default class Collection implements ViewModels.Collection {
         tabTitle: "Items"
       });
       this.documentIds([]);
+
       documentsTab = new DocumentsTab({
         partitionKey: this.partitionKey,
         documentIds: ko.observableArray<DocumentId>([]),
@@ -309,14 +314,11 @@ export default class Collection implements ViewModels.Collection {
         tabPath: `${this.databaseId}>${this.id()}>Documents`,
         hashLocation: `${Constants.HashRoutePrefixes.collectionsWithIds(this.databaseId, this.id())}/documents`,
         onLoadStartKey: startKey,
-        onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-        openedTabs: this.container.openedTabs()
+        onUpdateTabsButtons: this.container.onUpdateTabsButtons
       });
-      this.container.openedTabs.push(documentsTab);
-    }
 
-    // Activate
-    documentsTab.onTabClick();
+      this.container.tabsManager.activateNewTab(documentsTab);
+    }
   }
 
   public onConflictsClick() {
@@ -331,14 +333,15 @@ export default class Collection implements ViewModels.Collection {
       dataExplorerArea: Constants.Areas.ResourceTree
     });
 
-    // create documents tab if not created yet
-    const openedTabs = this.container.openedTabs();
+    const conflictsTabs: ConflictsTab[] = this.container.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.Conflicts,
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.rid === this.rid
+    ) as ConflictsTab[];
+    let conflictsTab: ConflictsTab = conflictsTabs && conflictsTabs[0];
 
-    let conflictsTab: ViewModels.Tab = openedTabs
-      .filter(tab => tab.collection && tab.collection.rid === this.rid)
-      .filter(tab => tab.tabKind === ViewModels.CollectionTabKind.Conflicts)[0];
-
-    if (!conflictsTab) {
+    if (conflictsTab) {
+      this.container.tabsManager.activateTab(conflictsTab);
+    } else {
       const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
         databaseAccountName: this.container.databaseAccount().name,
         databaseName: this.databaseId,
@@ -348,7 +351,8 @@ export default class Collection implements ViewModels.Collection {
         tabTitle: "Conflicts"
       });
       this.documentIds([]);
-      conflictsTab = new ConflictsTab({
+
+      const conflictsTab: ConflictsTab = new ConflictsTab({
         partitionKey: this.partitionKey,
         conflictIds: ko.observableArray<ConflictId>([]),
         tabKind: ViewModels.CollectionTabKind.Conflicts,
@@ -362,14 +366,11 @@ export default class Collection implements ViewModels.Collection {
         tabPath: `${this.databaseId}>${this.id()}>Conflicts`,
         hashLocation: `${Constants.HashRoutePrefixes.collectionsWithIds(this.databaseId, this.id())}/conflicts`,
         onLoadStartKey: startKey,
-        onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-        openedTabs: this.container.openedTabs()
+        onUpdateTabsButtons: this.container.onUpdateTabsButtons
       });
-      this.container.openedTabs.push(conflictsTab);
-    }
 
-    // Activate
-    conflictsTab.onTabClick();
+      this.container.tabsManager.activateNewTab(conflictsTab);
+    }
   }
 
   public onTableEntitiesClick() {
@@ -390,14 +391,15 @@ export default class Collection implements ViewModels.Collection {
       });
     }
 
-    // create entities tab if not created yet
-    const openedTabs = this.container.openedTabs();
+    const queryTablesTabs: QueryTablesTab[] = this.container.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.QueryTables,
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.rid === this.rid
+    ) as QueryTablesTab[];
+    let queryTablesTab: QueryTablesTab = queryTablesTabs && queryTablesTabs[0];
 
-    let documentsTab: ViewModels.Tab = openedTabs
-      .filter(tab => tab.collection && tab.collection.rid === this.rid)
-      .filter(tab => tab.tabKind === ViewModels.CollectionTabKind.QueryTables)[0];
-
-    if (!documentsTab) {
+    if (queryTablesTab) {
+      this.container.tabsManager.activateTab(queryTablesTab);
+    } else {
       this.documentIds([]);
       let title = `Entities`;
       if (this.container.isPreferredApiCassandra()) {
@@ -411,7 +413,8 @@ export default class Collection implements ViewModels.Collection {
         dataExplorerArea: Constants.Areas.Tab,
         tabTitle: title
       });
-      documentsTab = new QueryTablesTab({
+
+      queryTablesTab = new QueryTablesTab({
         tabKind: ViewModels.CollectionTabKind.QueryTables,
         title: title,
         tabPath: "",
@@ -423,14 +426,11 @@ export default class Collection implements ViewModels.Collection {
         hashLocation: `${Constants.HashRoutePrefixes.collectionsWithIds(this.databaseId, this.id())}/entities`,
         isActive: ko.observable(false),
         onLoadStartKey: startKey,
-        onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-        openedTabs: this.container.openedTabs()
+        onUpdateTabsButtons: this.container.onUpdateTabsButtons
       });
-      this.container.openedTabs.push(documentsTab);
-    }
 
-    // Activate
-    documentsTab.onTabClick();
+      this.container.tabsManager.activateNewTab(queryTablesTab);
+    }
   }
 
   public onGraphDocumentsClick() {
@@ -445,55 +445,50 @@ export default class Collection implements ViewModels.Collection {
       dataExplorerArea: Constants.Areas.ResourceTree
     });
 
-    // create documents tab if not created yet
-    const openedTabs = this.container.openedTabs();
+    const graphTabs: GraphTab[] = this.container.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.Graph,
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.rid === this.rid
+    ) as GraphTab[];
+    let graphTab: GraphTab = graphTabs && graphTabs[0];
 
-    let documentsTab: ViewModels.Tab = openedTabs
-      .filter(tab => tab.collection && tab.collection.rid === this.rid)
-      .filter(tab => tab.tabKind === ViewModels.CollectionTabKind.Graph)[0];
-
-    if (!documentsTab) {
+    if (graphTab) {
+      this.container.tabsManager.activateTab(graphTab);
+    } else {
       this.documentIds([]);
-      documentsTab = this._createGraphTab("Graph");
-      this.container.openedTabs.push(documentsTab);
+      const title = "Graph";
+      const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
+        databaseAccountName: this.container.databaseAccount().name,
+        databaseName: this.databaseId,
+        collectionName: this.id(),
+        defaultExperience: this.container.defaultExperience(),
+        dataExplorerArea: Constants.Areas.Tab,
+        tabTitle: title
+      });
+
+      graphTab = new GraphTab({
+        account: CosmosClient.databaseAccount(),
+        tabKind: ViewModels.CollectionTabKind.Graph,
+        node: this,
+        title: title,
+        tabPath: "",
+        documentClientUtility: this.container.documentClientUtility,
+        collection: this,
+        selfLink: this.self,
+        masterKey: CosmosClient.masterKey() || "",
+        collectionPartitionKeyProperty: this.partitionKeyProperty,
+        hashLocation: `${Constants.HashRoutePrefixes.collectionsWithIds(this.databaseId, this.id())}/graphs`,
+        collectionId: this.id(),
+        isActive: ko.observable(false),
+        databaseId: this.databaseId,
+        isTabsContentExpanded: this.container.isTabsContentExpanded,
+        onLoadStartKey: startKey,
+        onUpdateTabsButtons: this.container.onUpdateTabsButtons
+      });
+
+      this.container.tabsManager.activateNewTab(graphTab);
     }
-
-    // Activate
-    documentsTab.onTabClick();
   }
 
-  private _createGraphTab = (title: string): ViewModels.GraphTab => {
-    const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
-      databaseAccountName: this.container.databaseAccount().name,
-      databaseName: this.databaseId,
-      collectionName: this.id(),
-      defaultExperience: this.container.defaultExperience(),
-      dataExplorerArea: Constants.Areas.Tab,
-      tabTitle: title
-    });
-    // TODO where does the success/failure trace for this tab go?
-    return new GraphTab({
-      account: CosmosClient.databaseAccount(),
-      tabKind: ViewModels.CollectionTabKind.Graph,
-      node: this,
-      title: title,
-      tabPath: "",
-      documentClientUtility: this.container.documentClientUtility,
-      collection: this,
-      selfLink: this.self,
-      masterKey: CosmosClient.masterKey() || "",
-      collectionPartitionKeyProperty: this.partitionKeyProperty,
-      hashLocation: `${Constants.HashRoutePrefixes.collectionsWithIds(this.databaseId, this.id())}/graphs`,
-      collectionId: this.id(),
-      isActive: ko.observable(false),
-      databaseId: this.databaseId,
-      isTabsContentExpanded: this.container.isTabsContentExpanded,
-      onLoadStartKey: startKey,
-      onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-      openedTabs: this.container.openedTabs()
-    });
-  };
-
   public onMongoDBDocumentsClick = () => {
     this.container.selectedNode(this);
     this.selectedSubnodeKind(ViewModels.CollectionTabKind.Documents);
@@ -506,14 +501,15 @@ export default class Collection implements ViewModels.Collection {
       dataExplorerArea: Constants.Areas.ResourceTree
     });
 
-    // create documents tab if not created yet
-    const openedTabs = this.container.openedTabs();
+    const mongoDocumentsTabs: MongoDocumentsTab[] = this.container.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.Documents,
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.rid === this.rid
+    ) as MongoDocumentsTab[];
+    let mongoDocumentsTab: MongoDocumentsTab = mongoDocumentsTabs && mongoDocumentsTabs[0];
 
-    let documentsTab: ViewModels.Tab = openedTabs
-      .filter(tab => tab.collection && tab.collection && tab.collection.rid === this.rid)
-      .filter(tab => tab.tabKind === ViewModels.CollectionTabKind.Documents)[0];
-
-    if (!documentsTab) {
+    if (mongoDocumentsTab) {
+      this.container.tabsManager.activateTab(mongoDocumentsTab);
+    } else {
       const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
         databaseAccountName: this.container.databaseAccount().name,
         databaseName: this.databaseId,
@@ -523,7 +519,8 @@ export default class Collection implements ViewModels.Collection {
         tabTitle: "Documents"
       });
       this.documentIds([]);
-      documentsTab = new MongoDocumentsTab({
+
+      mongoDocumentsTab = new MongoDocumentsTab({
         partitionKey: this.partitionKey,
         documentIds: this.documentIds,
         tabKind: ViewModels.CollectionTabKind.Documents,
@@ -537,14 +534,10 @@ export default class Collection implements ViewModels.Collection {
         hashLocation: `${Constants.HashRoutePrefixes.collectionsWithIds(this.databaseId, this.id())}/mongoDocuments`,
         isActive: ko.observable(false),
         onLoadStartKey: startKey,
-        onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-        openedTabs: this.container.openedTabs()
+        onUpdateTabsButtons: this.container.onUpdateTabsButtons
       });
-      this.container.openedTabs.push(documentsTab);
+      this.container.tabsManager.activateNewTab(mongoDocumentsTab);
     }
-
-    // Activate
-    documentsTab.onTabClick();
   };
 
   public onSettingsClick = () => {
@@ -559,14 +552,15 @@ export default class Collection implements ViewModels.Collection {
       dataExplorerArea: Constants.Areas.ResourceTree
     });
 
-    // create settings tab if not created yet
-    const openedTabs = this.container.openedTabs();
-    let settingsTab: ViewModels.Tab = openedTabs
-      .filter(tab => tab.collection && tab.collection.rid === this.rid)
-      .filter(tab => tab.tabKind === ViewModels.CollectionTabKind.Settings)[0];
-
     const tabTitle = "Scale & Settings";
     const pendingNotificationsPromise: Q.Promise<DataModels.Notification> = this._getPendingThroughputSplitNotification();
+    const matchingTabs: ViewModels.Tab[] = this.container.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.Settings,
+      (tab: ViewModels.Tab) => {
+        return tab.collection && tab.collection.rid === this.rid;
+      }
+    );
+    let settingsTab: SettingsTab = matchingTabs && (matchingTabs[0] as SettingsTab);
     if (!settingsTab) {
       const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
         databaseAccountName: this.container.databaseAccount().name,
@@ -592,12 +586,10 @@ export default class Collection implements ViewModels.Collection {
             hashLocation: `${Constants.HashRoutePrefixes.collectionsWithIds(this.databaseId, this.id())}/settings`,
             isActive: ko.observable(false),
             onLoadStartKey: startKey,
-            onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-            openedTabs: this.container.openedTabs()
+            onUpdateTabsButtons: this.container.onUpdateTabsButtons
           });
-          (settingsTab as ViewModels.SettingsTab).pendingNotification(pendingNotification);
-          this.container.openedTabs.push(settingsTab);
-          settingsTab.onTabClick(); // Activate
+          this.container.tabsManager.activateNewTab(settingsTab);
+          settingsTab.pendingNotification(pendingNotification);
         },
         (error: any) => {
           TelemetryProcessor.traceFailure(
@@ -623,12 +615,12 @@ export default class Collection implements ViewModels.Collection {
     } else {
       pendingNotificationsPromise.then(
         (pendingNotification: DataModels.Notification) => {
-          (settingsTab as ViewModels.SettingsTab).pendingNotification(pendingNotification);
-          settingsTab.onTabClick();
+          settingsTab.pendingNotification(pendingNotification);
+          this.container.tabsManager.activateTab(settingsTab);
         },
         (error: any) => {
-          (settingsTab as ViewModels.SettingsTab).pendingNotification(undefined);
-          settingsTab.onTabClick();
+          settingsTab.pendingNotification(undefined);
+          this.container.tabsManager.activateTab(settingsTab);
         }
       );
     }
@@ -738,9 +730,7 @@ export default class Collection implements ViewModels.Collection {
 
   public onNewQueryClick(source: any, event: MouseEvent, queryText?: string) {
     const collection: ViewModels.Collection = source.collection || source;
-    const explorer: ViewModels.Explorer = source.container;
-    const openedTabs = explorer.openedTabs();
-    const id = openedTabs.filter(t => t.tabKind === ViewModels.CollectionTabKind.Query).length + 1;
+    const id = this.container.tabsManager.getTabs(ViewModels.CollectionTabKind.Query).length + 1;
     const title = "Query " + id;
     const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
       databaseAccountName: this.container.databaseAccount().name,
@@ -751,7 +741,7 @@ export default class Collection implements ViewModels.Collection {
       tabTitle: title
     });
 
-    let queryTab: ViewModels.Tab = new QueryTab({
+    const queryTab: QueryTab = new QueryTab({
       tabKind: ViewModels.CollectionTabKind.Query,
       title: title,
       tabPath: "",
@@ -764,20 +754,15 @@ export default class Collection implements ViewModels.Collection {
       queryText: queryText,
       partitionKey: collection.partitionKey,
       onLoadStartKey: startKey,
-      onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-      openedTabs: this.container.openedTabs()
+      onUpdateTabsButtons: this.container.onUpdateTabsButtons
     });
-    this.container.openedTabs.push(queryTab);
 
-    // Activate
-    queryTab.onTabClick();
+    this.container.tabsManager.activateNewTab(queryTab);
   }
 
   public onNewMongoQueryClick(source: any, event: MouseEvent, queryText?: string) {
     const collection: ViewModels.Collection = source.collection || source;
-    const explorer: ViewModels.Explorer = source.container;
-    const openedTabs = explorer.openedTabs();
-    const id = openedTabs.filter(t => t.tabKind === ViewModels.CollectionTabKind.Query).length + 1;
+    const id = this.container.tabsManager.getTabs(ViewModels.CollectionTabKind.Query).length + 1;
 
     const title = "Query " + id;
     const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
@@ -789,7 +774,7 @@ export default class Collection implements ViewModels.Collection {
       tabTitle: title
     });
 
-    let queryTab: ViewModels.Tab = new MongoQueryTab({
+    const mongoQueryTab: MongoQueryTab = new MongoQueryTab({
       tabKind: ViewModels.CollectionTabKind.Query,
       title: title,
       tabPath: "",
@@ -801,26 +786,51 @@ export default class Collection implements ViewModels.Collection {
       isActive: ko.observable(false),
       partitionKey: collection.partitionKey,
       onLoadStartKey: startKey,
-      onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-      openedTabs: this.container.openedTabs()
+      onUpdateTabsButtons: this.container.onUpdateTabsButtons
     });
-    this.container.openedTabs.push(queryTab);
 
-    // Activate
-    queryTab.onTabClick();
+    this.container.tabsManager.activateNewTab(mongoQueryTab);
   }
 
   public onNewGraphClick() {
-    var id = this.container.openedTabs().filter(t => t.tabKind === ViewModels.CollectionTabKind.Graph).length + 1;
-    var graphTab = this._createGraphTab("Graph Query " + id);
-    this.container.openedTabs.push(graphTab);
-    // Activate
-    graphTab.onTabClick();
+    const id: number = this.container.tabsManager.getTabs(ViewModels.CollectionTabKind.Graph).length + 1;
+    const title: string = "Graph Query " + id;
+
+    const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
+      databaseAccountName: this.container.databaseAccount().name,
+      databaseName: this.databaseId,
+      collectionName: this.id(),
+      defaultExperience: this.container.defaultExperience(),
+      dataExplorerArea: Constants.Areas.Tab,
+      tabTitle: title
+    });
+
+    const graphTab: GraphTab = new GraphTab({
+      account: CosmosClient.databaseAccount(),
+      tabKind: ViewModels.CollectionTabKind.Graph,
+      node: this,
+      title: title,
+      tabPath: "",
+      documentClientUtility: this.container.documentClientUtility,
+      collection: this,
+      selfLink: this.self,
+      masterKey: CosmosClient.masterKey() || "",
+      collectionPartitionKeyProperty: this.partitionKeyProperty,
+      hashLocation: `${Constants.HashRoutePrefixes.collectionsWithIds(this.databaseId, this.id())}/graphs`,
+      collectionId: this.id(),
+      isActive: ko.observable(false),
+      databaseId: this.databaseId,
+      isTabsContentExpanded: this.container.isTabsContentExpanded,
+      onLoadStartKey: startKey,
+      onUpdateTabsButtons: this.container.onUpdateTabsButtons
+    });
+
+    this.container.tabsManager.activateNewTab(graphTab);
   }
 
   public onNewMongoShellClick() {
-    var id = this.container.openedTabs().filter(t => t.tabKind === ViewModels.CollectionTabKind.MongoShell).length + 1;
-    var mongoShellTab = new MongoShellTab({
+    const id = this.container.tabsManager.getTabs(ViewModels.CollectionTabKind.MongoShell).length + 1;
+    const mongoShellTab: MongoShellTab = new MongoShellTab({
       tabKind: ViewModels.CollectionTabKind.MongoShell,
       title: "Shell " + id,
       tabPath: "",
@@ -830,14 +840,10 @@ export default class Collection implements ViewModels.Collection {
       hashLocation: `${Constants.HashRoutePrefixes.collectionsWithIds(this.databaseId, this.id())}/mongoShell`,
       selfLink: this.self,
       isActive: ko.observable(false),
-      onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-      openedTabs: this.container.openedTabs()
+      onUpdateTabsButtons: this.container.onUpdateTabsButtons
     });
 
-    this.container.openedTabs.push(mongoShellTab);
-
-    // Activate
-    mongoShellTab.onTabClick();
+    this.container.tabsManager.activateNewTab(mongoShellTab);
   }
 
   public onNewStoredProcedureClick(source: ViewModels.Collection, event: MouseEvent) {
@@ -898,7 +904,9 @@ export default class Collection implements ViewModels.Collection {
     } else {
       this.expandStoredProcedures();
     }
-    this.refreshActiveTab();
+    this.container.tabsManager.refreshActiveTab(
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.rid === this.rid
+    );
   }
 
   public expandStoredProcedures() {
@@ -955,7 +963,9 @@ export default class Collection implements ViewModels.Collection {
     } else {
       this.expandUserDefinedFunctions();
     }
-    this.refreshActiveTab();
+    this.container.tabsManager.refreshActiveTab(
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.rid === this.rid
+    );
   }
 
   public expandUserDefinedFunctions() {
@@ -1012,7 +1022,9 @@ export default class Collection implements ViewModels.Collection {
     } else {
       this.expandTriggers();
     }
-    this.refreshActiveTab();
+    this.container.tabsManager.refreshActiveTab(
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.rid === this.rid
+    );
   }
 
   public expandTriggers() {
@@ -1366,19 +1378,6 @@ export default class Collection implements ViewModels.Collection {
     });
   }
 
-  public refreshActiveTab(): void {
-    // ensures that the tab selects/highlights the right node based on resource tree expand/collapse state
-    const openedRelevantTabs: ViewModels.Tab[] = this.container
-      .openedTabs()
-      .filter((tab: ViewModels.Tab) => tab && tab.collection && tab.collection.rid === this.rid);
-
-    openedRelevantTabs.forEach((tab: ViewModels.Tab) => {
-      if (tab.isActive()) {
-        tab.onActivate();
-      }
-    });
-  }
-
   protected _getOfferForCollection(offers: DataModels.Offer[], collection: DataModels.Collection): DataModels.Offer {
     return _.find(offers, (offer: DataModels.Offer) => offer.resource.indexOf(collection._rid) >= 0);
   }

src/Explorer/Tree/Database.ts

@@ -49,12 +49,12 @@ export default class Database implements ViewModels.Database {
       dataExplorerArea: Constants.Areas.ResourceTree
     });
 
-    // create settings tab if not created yet
-    const openedTabs = this.container.openedTabs();
-    let settingsTab: ViewModels.Tab = openedTabs
-      .filter(tab => tab.rid === this.rid)
-      .filter(tab => tab.tabKind === ViewModels.CollectionTabKind.DatabaseSettings)[0];
     const pendingNotificationsPromise: Q.Promise<DataModels.Notification> = this._getPendingThroughputSplitNotification();
+    const matchingTabs: ViewModels.Tab[] = this.container.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.DatabaseSettings,
+      (tab: ViewModels.Tab) => tab.rid === this.rid
+    );
+    let settingsTab: DatabaseSettingsTab = matchingTabs && (matchingTabs[0] as DatabaseSettingsTab);
     if (!settingsTab) {
       const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
         databaseAccountName: this.container.databaseAccount().name,
@@ -78,12 +78,11 @@ export default class Database implements ViewModels.Database {
             selfLink: this.self,
             isActive: ko.observable(false),
             onLoadStartKey: startKey,
-            onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-            openedTabs: this.container.openedTabs()
+            onUpdateTabsButtons: this.container.onUpdateTabsButtons
           });
-          (settingsTab as ViewModels.DatabaseSettingsTab).pendingNotification(pendingNotification);
-          this.container.openedTabs.push(settingsTab);
-          settingsTab.onTabClick(); // Activate
+
+          settingsTab.pendingNotification(pendingNotification);
+          this.container.tabsManager.activateNewTab(settingsTab);
         },
         (error: any) => {
           TelemetryProcessor.traceFailure(
@@ -109,12 +108,12 @@ export default class Database implements ViewModels.Database {
     } else {
       pendingNotificationsPromise.then(
         (pendingNotification: DataModels.Notification) => {
-          (settingsTab as ViewModels.DatabaseSettingsTab).pendingNotification(pendingNotification);
-          settingsTab.onTabClick();
+          settingsTab.pendingNotification(pendingNotification);
+          this.container.tabsManager.activateTab(settingsTab);
         },
         (error: any) => {
-          (settingsTab as ViewModels.DatabaseSettingsTab).pendingNotification(undefined);
-          settingsTab.onTabClick();
+          settingsTab.pendingNotification(undefined);
+          this.container.tabsManager.activateTab(settingsTab);
         }
       );
     }
@@ -221,7 +220,9 @@ export default class Database implements ViewModels.Database {
       this.expandDatabase();
     }
     this.container.onUpdateTabsButtons([]);
-    this.refreshTabSelectedState();
+    this.container.tabsManager.refreshActiveTab(
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.getDatabase().rid === this.rid
+    );
   }
 
   public expandDatabase() {
@@ -286,18 +287,6 @@ export default class Database implements ViewModels.Database {
     database.container.addCollectionPane.open();
   }
 
-  public refreshTabSelectedState(): void {
-    const openedRelevantTabs: ViewModels.Tab[] = this.container
-      .openedTabs()
-      .filter((tab: ViewModels.Tab) => tab && tab.collection && tab.collection.getDatabase().rid === this.rid);
-
-    openedRelevantTabs.forEach((tab: ViewModels.Tab) => {
-      if (tab.isActive()) {
-        tab.onTabClick(); // this ensures the next (deepest) item in the resource tree is highlighted
-      }
-    });
-  }
-
   public findCollectionWithId(collectionId: string): ViewModels.Collection {
     return _.find(this.collections(), (collection: ViewModels.Collection) => collection.id() === collectionId);
   }

src/Explorer/Tree/ResourceTokenCollection.ts

@@ -73,24 +73,9 @@ export default class ResourceTokenCollection implements ViewModels.CollectionBas
     });
   }
 
-  public refreshActiveTab(): void {
-    // ensures that the tab selects/highlights the right node based on resource tree expand/collapse state
-    const openedRelevantTabs: ViewModels.Tab[] = this.container
-      .openedTabs()
-      .filter((tab: ViewModels.Tab) => tab && tab.collection && tab.collection.rid === this.rid);
-
-    openedRelevantTabs.forEach((tab: ViewModels.Tab) => {
-      if (tab.isActive()) {
-        tab.onActivate();
-      }
-    });
-  }
-
   public onNewQueryClick(source: any, event: MouseEvent, queryText?: string) {
     const collection: ViewModels.Collection = source.collection || source;
-    const explorer: ViewModels.Explorer = source.container;
-    const openedTabs = explorer.openedTabs();
-    const id = openedTabs.filter(t => t.tabKind === ViewModels.CollectionTabKind.Query).length + 1;
+    const id = this.container.tabsManager.getTabs(ViewModels.CollectionTabKind.Query).length + 1;
     const title = "Query " + id;
     const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
       databaseAccountName: this.container.databaseAccount().name,
@@ -101,7 +86,7 @@ export default class ResourceTokenCollection implements ViewModels.CollectionBas
       tabTitle: title
     });
 
-    let queryTab: ViewModels.Tab = new QueryTab({
+    const queryTab: QueryTab = new QueryTab({
       tabKind: ViewModels.CollectionTabKind.Query,
       title: title,
       tabPath: "",
@@ -115,13 +100,10 @@ export default class ResourceTokenCollection implements ViewModels.CollectionBas
       partitionKey: collection.partitionKey,
       resourceTokenPartitionKey: this.container.resourceTokenPartitionKey(),
       onLoadStartKey: startKey,
-      onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-      openedTabs: this.container.openedTabs()
+      onUpdateTabsButtons: this.container.onUpdateTabsButtons
     });
-    this.container.openedTabs.push(queryTab);
 
-    // Activate
-    queryTab.onTabClick();
+    this.container.tabsManager.activateNewTab(queryTab);
   }
 
   public onDocumentDBDocumentsClick() {
@@ -136,14 +118,15 @@ export default class ResourceTokenCollection implements ViewModels.CollectionBas
       dataExplorerArea: Constants.Areas.ResourceTree
     });
 
-    // create documents tab if not created yet
-    const openedTabs = this.container.openedTabs();
+    const documentsTabs: DocumentsTab[] = this.container.tabsManager.getTabs(
+      ViewModels.CollectionTabKind.Documents,
+      (tab: ViewModels.Tab) => tab.collection && tab.collection.rid === this.rid
+    ) as DocumentsTab[];
+    let documentsTab: DocumentsTab = documentsTabs && documentsTabs[0];
 
-    let documentsTab: ViewModels.Tab = openedTabs
-      .filter(tab => tab.collection && tab.collection.rid === this.rid)
-      .filter(tab => tab.tabKind === ViewModels.CollectionTabKind.Documents)[0];
-
-    if (!documentsTab) {
+    if (documentsTab) {
+      this.container.tabsManager.activateTab(documentsTab);
+    } else {
       const startKey: number = TelemetryProcessor.traceStart(Action.Tab, {
         databaseAccountName: this.container.databaseAccount() && this.container.databaseAccount().name,
         databaseName: this.databaseId,
@@ -152,6 +135,7 @@ export default class ResourceTokenCollection implements ViewModels.CollectionBas
         dataExplorerArea: Constants.Areas.Tab,
         tabTitle: "Items"
       });
+
       documentsTab = new DocumentsTab({
         partitionKey: this.partitionKey,
         resourceTokenPartitionKey: this.container.resourceTokenPartitionKey(),
@@ -167,14 +151,11 @@ export default class ResourceTokenCollection implements ViewModels.CollectionBas
         tabPath: `${this.databaseId}>${this.id()}>Documents`,
         hashLocation: `${Constants.HashRoutePrefixes.collectionsWithIds(this.databaseId, this.id())}/documents`,
         onLoadStartKey: startKey,
-        onUpdateTabsButtons: this.container.onUpdateTabsButtons,
-        openedTabs: this.container.openedTabs()
+        onUpdateTabsButtons: this.container.onUpdateTabsButtons
       });
-      this.container.openedTabs.push(documentsTab);
-    }
 
-    // Activate
-    documentsTab.onTabClick();
+      this.container.tabsManager.activateNewTab(documentsTab);
+    }
   }
 
   public getDatabase(): ViewModels.Database {