Expose refresh projects tree (#18890)

* refresh project tree after apply schema compare to project

* clarify comment

extensions/data-workspace/src/common/dataWorkspaceExtension.ts

@@ -25,6 +25,10 @@ export class DataWorkspaceExtension implements IExtension {
 		void vscode.commands.executeCommand('dataworkspace.views.main.focus');
 	}
 
+	refreshProjectsTree(): void {
+		this.workspaceService.refreshProjectsTree();
+	}
+
 	get defaultProjectSaveLocation(): vscode.Uri | undefined {
 		return defaultProjectSaveLocation();
 	}

extensions/data-workspace/src/dataworkspace.d.ts

@@ -33,6 +33,11 @@ declare module 'dataworkspace' {
 		 */
 		showProjectsView(): void;
 
+		/**
+		 * Fires event to refresh the project tree. The tree is not guaranteed to be refreshed after this call returns
+		 */
+		refreshProjectsTree(): void;
+
 		/**
 		 * Returns the default location to save projects
 		 */

extensions/data-workspace/src/services/workspaceService.ts

@@ -168,6 +168,13 @@ export class WorkspaceService implements IWorkspaceService {
 		}
 	}
 
+	/**
+	 * Fire event to refresh projects tree
+	 */
+	public refreshProjectsTree(): void {
+		this._onDidWorkspaceProjectsChange.fire();
+	}
+
 	/**
 	 * Returns an array of all the supported projects in the folder
 	 * @param folder folder to look look for projects