implement data.table.notebook.examples quick pick display and example…

… notebook loading (#75)

src/extension/commands.ts

@@ -0,0 +1,51 @@
+import {
+  ExtensionContext,
+  Disposable,
+	QuickPickItem,
+  ViewColumn,
+  Uri,
+  commands,
+  window,
+  workspace
+}
+from 'vscode';
+import * as fs from 'fs';
+import * as path from 'path';
+import * as config from './config';
+import * as constants from './constants';
+
+let _context: ExtensionContext;
+
+export function registerCommands(context: ExtensionContext) {
+  _context = context;
+	registerCommand(constants.NotebookExamplesCommand, createNotebookExamplesCommand);
+}
+
+function registerCommand(commandName: string, callback: (...args: any[]) => any, thisArg?: any): Disposable {
+  const command: Disposable = commands.registerCommand(commandName, callback);
+  _context.subscriptions.push(command);
+  return command;
+}
+
+/**
+ * Displays buil-in Data Table Notebook Examples Quick Pick list.
+ */
+ async function createNotebookExamplesCommand(): Promise<void> {
+  const notebookQuickPickItems: Array<QuickPickItem> = [];
+  config.notebookExamples.forEach(notebook => notebookQuickPickItems.push({
+		label: `$(notebook) ${notebook.name}`,
+		description: notebook.description,
+		detail: notebook.file
+	}));
+	const selectedNotebook: QuickPickItem | undefined = 
+		await window.showQuickPick(notebookQuickPickItems, {canPickMany: false});
+	if (selectedNotebook) {
+		const notebookUrl: string | undefined = selectedNotebook.detail;
+    const extensionPath: string = _context.asAbsolutePath('./');
+		if (notebookUrl) {
+			const notebookUri: Uri =  Uri.file(path.join(extensionPath, notebookUrl));
+			// open data table example notebook
+			commands.executeCommand(constants.VSCodeOpenCommand, notebookUri);	
+		}
+	}
+}

src/extension/constants.ts

@@ -8,3 +8,4 @@ export const ExtensionDisplayName: string = 'Data Table';
 
 // command constants
 export const NotebookExamplesCommand: string = `${ExtensionId}.notebook.examples`;
+export const VSCodeOpenCommand: string = `vscode.open`;

src/extension/extension.ts

@@ -2,12 +2,16 @@ import {
   ExtensionContext
 } 
 from 'vscode';
-
+import {registerCommands} from './commands';
+import * as constants from './constants';
 
 export function activate(context: ExtensionContext) {
-  console.log('data.table: actived');
+  console.log(`${constants.ExtensionId}: actived`);
+
+  // register data table notebook commands
+	registerCommands(context);
 }
 
 export function deactivate() {
-  console.log('data.table: deactivated');
+  console.log(`${constants.ExtensionId}: deactivated`);
 }