Show a Welcome view in the vRO Explorer when there is no active profile

extension/src/client/provider/explorer/ExplorerProvider.ts

@@ -52,29 +52,36 @@ export class ExplorerProvider implements vscode.TreeDataProvider<AbstractNode>,
         )
 
         context.subscriptions.push(this, this.tree, refreshCommand, revealItem, onDidChangeSelection)
+
+        this.config.onDidChangeConfig(this.onConfigurationChanged, this, context.subscriptions)
     }
 
     dispose() {
         // empty
     }
 
     refresh(): void {
-        // TODO: refresh on `vrdev.views.explorer.*` configuration change
-        this.rootNodes.forEach(node => this.onDidChangeTreeDataEmitter.fire(node))
+        this.onDidChangeTreeDataEmitter.fire(undefined) // trigger on root
     }
 
     getTreeItem(element: AbstractNode): Promise<vscode.TreeItem> {
         return element.asTreeItem()
     }
 
-    getChildren(element?: AbstractNode): Promise<AbstractNode[]> {
+    getChildren(element?: AbstractNode): Promise<AbstractNode[] | undefined> {
         return element ? element.getChildren() : this.getRootNodes()
     }
 
     getParent(element: AbstractNode): AbstractNode | undefined {
         return element.parent
     }
 
+    private onConfigurationChanged(event: vscode.ConfigurationChangeEvent) {
+        if (event.affectsConfiguration("vrdev.maven.profile") || event.affectsConfiguration("vrdev.views.explorer")) {
+            this.refresh()
+        }
+    }
+
     private onDidChangeSelection(event: vscode.TreeViewSelectionChangeEvent<AbstractNode>): void {
         const node = event.selection.length > 0 ? event.selection[0] : undefined
 
@@ -93,7 +100,11 @@ export class ExplorerProvider implements vscode.TreeDataProvider<AbstractNode>,
         }
     }
 
-    private async getRootNodes(): Promise<AbstractNode[]> {
+    private async getRootNodes(): Promise<AbstractNode[] | undefined> {
+        if (!this.config.hasActiveProfile()) {
+            return undefined // show Welcome view
+        }
+
         this.rootNodes = [
             new CategoriesRootNode(
                 "Workflows",

extension/src/client/provider/explorer/PropertiesProvider.ts

@@ -58,8 +58,12 @@ export class PropertiesProvider implements vscode.TreeDataProvider<AbstractNode>
         return element.asTreeItem()
     }
 
-    async getChildren(element?: AbstractNode): Promise<AbstractNode[]> {
+    async getChildren(element?: AbstractNode): Promise<AbstractNode[] | undefined> {
         if (!element) {
+            if (!this.rootNode) {
+                return undefined // show Welcome view
+            }
+
             const properties = this.rootNode ? await this.rootNode.getProperties() : []
             vscode.commands.executeCommand(
                 BuiltInCommands.SetContext,

extension/src/client/system/ConfigurationManager.ts

@@ -23,7 +23,6 @@ import { Registrable } from "../Registrable"
 
 @AutoWire
 export class ConfigurationManager extends BaseConfiguration implements Registrable {
-
     private homeDir = process.env[process.platform === "win32" ? "USERPROFILE" : "HOME"] || "~"
     private readonly logger = Logger.get("ConfigurationManager")
 

package.json

@@ -69,6 +69,16 @@
         }
       ]
     },
+    "viewsWelcome": [
+      {
+        "view": "vrdev.views.explorer",
+        "contents": "Connect to vRealize Orchetsrator by selecting a maven profile.\n\n[Select Profile](command:vrdev.change.profile)"
+      },
+      {
+        "view": "vrdev.views.properties",
+        "contents": "Select a node in the Explorer to view its properties."
+      }
+    ],
     "commands": [
       {
         "command": "vrdev.views.explorer.refresh",