Move upload items panel to react (#558)

Co-authored-by: Steve Faulkner <471400+southpolesteve@users.noreply.github.com>

src/Common/Upload/index.tsx

@@ -0,0 +1,75 @@
+import { Image, Stack, TextField } from "office-ui-fabric-react";
+import React, { ChangeEvent, FunctionComponent, KeyboardEvent, useRef, useState } from "react";
+import FolderIcon from "../../../images/folder_16x16.svg";
+import * as Constants from "../../Common/Constants";
+import { Tooltip } from "../Tooltip";
+
+interface UploadProps {
+  label: string;
+  accept?: string;
+  tooltip?: string;
+  multiple?: boolean;
+  tabIndex?: number;
+  onUpload: (event: ChangeEvent<HTMLInputElement>) => void;
+}
+
+export const Upload: FunctionComponent<UploadProps> = ({
+  label,
+  accept,
+  tooltip,
+  multiple,
+  tabIndex,
+  ...props
+}: UploadProps) => {
+  const [selectedFilesTitle, setSelectedFilesTitle] = useState<string[]>([]);
+
+  const fileRef = useRef<HTMLInputElement>();
+
+  const onImportLinkKeyPress = (event: KeyboardEvent<HTMLAnchorElement>): void => {
+    if (event.keyCode === Constants.KeyCodes.Enter || event.keyCode === Constants.KeyCodes.Space) {
+      onImportLinkClick();
+    }
+  };
+
+  const onImportLinkClick = (): void => {
+    fileRef?.current?.click();
+  };
+
+  const onUpload = (event: ChangeEvent<HTMLInputElement>): void => {
+    const { files } = event.target;
+
+    const newFileList = [];
+    for (let i = 0; i < files.length; i++) {
+      newFileList.push(files.item(i).name);
+    }
+    if (newFileList) {
+      setSelectedFilesTitle(newFileList);
+      props.onUpload(event);
+    }
+  };
+  const title = label + " to upload";
+  return (
+    <div>
+      <span className="renewUploadItemsHeader">{label}</span>
+      <Tooltip>{tooltip}</Tooltip>
+      <Stack horizontal>
+        <TextField styles={{ fieldGroup: { width: 300 } }} readOnly value={selectedFilesTitle.toString()} />
+        <input
+          type="file"
+          id="importFileInput"
+          style={{ display: "none" }}
+          ref={fileRef}
+          accept={accept}
+          tabIndex={tabIndex}
+          multiple={multiple}
+          title="Upload Icon"
+          onChange={onUpload}
+          role="button"
+        />
+        <a href="#" id="fileImportLinkNotebook" onClick={onImportLinkClick} onKeyPress={onImportLinkKeyPress}>
+          <Image className="fileImportImg" src={FolderIcon} alt={title} title={title} />
+        </a>
+      </Stack>
+    </div>
+  );
+};