Only show the shortcut when Maven extension is enabled (#232)

Author: jdneo

package.json

@@ -262,7 +262,7 @@
         },
         {
           "command": "java.project.maven.addDependency",
-          "when": "view == javaDependencyExplorer && viewItem =~ /container\/maven-dependencies/",
+          "when": "view == javaDependencyExplorer && mavenEnabled && viewItem =~ /container\/maven-dependencies/",
           "group": "inline@0"
         }
       ]

src/extension.ts

@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT license.
 
-import { commands, ExtensionContext } from "vscode";
+import { commands, Extension, ExtensionContext, extensions } from "vscode";
 import { dispose as disposeTelemetryWrapper, initializeFromJsonFile, instrumentOperation } from "vscode-extension-telemetry-wrapper";
 import { Commands } from "./commands";
 import { LibraryController } from "./controllers/libraryController";
@@ -21,11 +21,21 @@ function activateExtension(operationId: string, context: ExtensionContext) {
     Services.initialize(context);
     Settings.initialize(context);
 
+    setMavenEnabledContext();
+
     context.subscriptions.push(new ProjectController(context));
     context.subscriptions.push(new LibraryController(context));
     context.subscriptions.push(new DependencyExplorer(context));
 }
 
+// determine if the add dependency shortcut will show or not
+function setMavenEnabledContext() {
+    const mavenExt: Extension<any> | undefined = extensions.getExtension("vscjava.vscode-maven");
+    if (mavenExt) {
+        commands.executeCommand("setContext", "mavenEnabled", true);
+    }
+}
+
 // this method is called when your extension is deactivated
 export async function deactivate() {
     await disposeTelemetryWrapper();