Merge pull request #84 from DenisaCG/newDriveCommand

Create new drive command visibility

Author: DenisaCG

schema/drives-file-browser.json

@@ -27,6 +27,12 @@
         "command": "drives:toggle-file-filter",
         "label": "",
         "rank": 40
+      },
+      {
+        "name": "new-drive",
+        "command": "drives:create-new-drive",
+        "label": "",
+        "rank": 50
       }
     ]
   },

src/plugins/driveBrowserPlugin.ts

@@ -147,6 +147,14 @@ export const driveFileBrowser: JupyterFrontEndPlugin<void> = {
       }
     );
 
+    const updateVisibility = () => {
+      // Visibility of command changed.
+      app.commands.notifyCommandChanged(CommandIDs.createNewDrive);
+    };
+
+    // Listen for path changes.
+    driveBrowser.model.pathChanged.connect(updateVisibility);
+
     // Add commands
     Private.addCommands(app, drive, driveBrowser);
 
@@ -318,6 +326,9 @@ namespace Private {
     browser: FileBrowser
   ): void {
     app.commands.addCommand(CommandIDs.createNewDrive, {
+      isVisible: () => {
+        return browser.model.path === 's3:';
+      },
       execute: async () => {
         return showDialog({
           title: 'New Drive',