Searchable dropdown (#2312)

* Searchable dropdown

* format fix

* Refactor SearchableDropdown with Fluent UI components, extract styles, and add tests (#2329)

* Initial plan

* Refactor SearchableDropdown with Fluent UI components and add tests

- Replace native HTML elements with Fluent UI components (Stack, DefaultButton, Text)
- Extract inline styles to SearchableDropdown.styles.ts
- Add comprehensive unit tests (14 test cases)
- Verify behavior consistency with AccountSwitcher tests

Co-authored-by: nishthaAhujaa <45535788+nishthaAhujaa@users.noreply.github.com>

* Optimize SearchableDropdown with useMemo for filteredItems

Co-authored-by: nishthaAhujaa <45535788+nishthaAhujaa@users.noreply.github.com>

* Fix text alignment to match original UI - ensure left alignment

- Add flexContainer.justifyContent: "flex-start" to button styles
- Add textAlign: "left" to button label, item styles, and empty message
- Restore original left-aligned appearance for placeholder and selected text

Co-authored-by: nishthaAhujaa <45535788+nishthaAhujaa@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: nishthaAhujaa <45535788+nishthaAhujaa@users.noreply.github.com>

* Fix TypeScript implicit type errors in SearchableDropdown tests (#2355)

* Initial plan

* Fix TypeScript compilation errors in SearchableDropdown.test.tsx

Co-authored-by: nishthaAhujaa <45535788+nishthaAhujaa@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: nishthaAhujaa <45535788+nishthaAhujaa@users.noreply.github.com>

* ui fixes minor

* format fix

* added search icon and updated the text

* removed callbacks

* added mocked playwright data

* fixed formatting

---------

Co-authored-by: nishthaAhujaa <nishtha17354@iiittd.ac.in>
Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Sakshi Gupta <sakshig@microsoft.com>
Co-authored-by: sakshigupta12feb <sakshigupta12feb1@gmail.com>

src/Platform/Hosted/Components/AccountSwitcher.test.tsx

@@ -1,12 +1,12 @@
 jest.mock("../../../hooks/useSubscriptions");
 jest.mock("../../../hooks/useDatabaseAccounts");
-import React from "react";
-import { render, fireEvent, screen } from "@testing-library/react";
 import "@testing-library/jest-dom";
-import { AccountSwitcher } from "./AccountSwitcher";
-import { useSubscriptions } from "../../../hooks/useSubscriptions";
-import { useDatabaseAccounts } from "../../../hooks/useDatabaseAccounts";
+import { fireEvent, render, screen } from "@testing-library/react";
+import React from "react";
 import { DatabaseAccount, Subscription } from "../../../Contracts/DataModels";
+import { useDatabaseAccounts } from "../../../hooks/useDatabaseAccounts";
+import { useSubscriptions } from "../../../hooks/useSubscriptions";
+import { AccountSwitcher } from "./AccountSwitcher";
 
 it("calls setAccount from parent component", () => {
   const armToken = "fakeToken";
@@ -25,7 +25,7 @@ it("calls setAccount from parent component", () => {
   expect(screen.getByLabelText("Subscription")).toHaveTextContent("Select a Subscription");
   fireEvent.click(screen.getByText("Select a Subscription"));
   fireEvent.click(screen.getByText(subscriptions[0].displayName));
-  expect(screen.getByLabelText("Cosmos DB Account Name")).toHaveTextContent("Select an Account");
+  expect(screen.getByLabelText("Cosmos DB Account")).toHaveTextContent("Select an Account");
   fireEvent.click(screen.getByText("Select an Account"));
   fireEvent.click(screen.getByText(accounts[0].name));
   expect(setDatabaseAccount).toHaveBeenCalledWith(accounts[0]);

src/Platform/Hosted/Components/SwitchAccount.tsx

@@ -1,6 +1,6 @@
-import { Dropdown } from "@fluentui/react";
 import * as React from "react";
 import { FunctionComponent } from "react";
+import { SearchableDropdown } from "../../../Common/SearchableDropdown";
 import { DatabaseAccount } from "../../../Contracts/DataModels";
 
 interface Props {
@@ -17,23 +17,18 @@ export const SwitchAccount: FunctionComponent<Props> = ({
   dismissMenu,
 }: Props) => {
   return (
-    <Dropdown
-      label="Cosmos DB Account Name"
+    <SearchableDropdown<DatabaseAccount>
+      label="Cosmos DB Account"
+      items={accounts}
+      selectedItem={selectedAccount}
+      onSelect={(account) => setSelectedAccountName(account.name)}
+      getKey={(account) => account.name}
+      getDisplayText={(account) => account.name}
+      placeholder="Select an Account"
+      filterPlaceholder="Search by Account name"
       className="accountSwitchAccountDropdown"
-      options={accounts?.map((account) => ({
-        key: account.name,
-        text: account.name,
-        data: account,
-      }))}
-      onChange={(_, option) => {
-        setSelectedAccountName(String(option?.key));
-        dismissMenu();
-      }}
-      defaultSelectedKey={selectedAccount?.name}
-      placeholder={accounts && accounts.length === 0 ? "No Accounts Found" : "Select an Account"}
-      styles={{
-        callout: "accountSwitchAccountDropdownMenu",
-      }}
+      disabled={!accounts || accounts.length === 0}
+      onDismiss={dismissMenu}
     />
   );
 };

src/Platform/Hosted/Components/SwitchSubscription.tsx

@@ -1,6 +1,6 @@
-import { Dropdown } from "@fluentui/react";
 import * as React from "react";
 import { FunctionComponent } from "react";
+import { SearchableDropdown } from "../../../Common/SearchableDropdown";
 import { Subscription } from "../../../Contracts/DataModels";
 
 interface Props {
@@ -15,24 +15,16 @@ export const SwitchSubscription: FunctionComponent<Props> = ({
   selectedSubscription,
 }: Props) => {
   return (
-    <Dropdown
+    <SearchableDropdown<Subscription>
       label="Subscription"
+      items={subscriptions}
+      selectedItem={selectedSubscription}
+      onSelect={(sub) => setSelectedSubscriptionId(sub.subscriptionId)}
+      getKey={(sub) => sub.subscriptionId}
+      getDisplayText={(sub) => sub.displayName}
+      placeholder="Select a Subscription"
+      filterPlaceholder="Search by Subscription name"
       className="accountSwitchSubscriptionDropdown"
-      options={subscriptions?.map((sub) => {
-        return {
-          key: sub.subscriptionId,
-          text: sub.displayName,
-          data: sub,
-        };
-      })}
-      onChange={(_, option) => {
-        setSelectedSubscriptionId(String(option?.key));
-      }}
-      defaultSelectedKey={selectedSubscription?.subscriptionId}
-      placeholder={subscriptions && subscriptions.length === 0 ? "No Subscriptions Found" : "Select a Subscription"}
-      styles={{
-        callout: "accountSwitchSubscriptionDropdownMenu",
-      }}
     />
   );
 };