Add keyboard shortcuts for focus on current query and go to next output query tab (#1153)

* add go to next output query tab shotcut

* add a new keyboard shortcut for focus on current query

* minor change

src/sql/parts/query/execution/keyboardQueryActions.ts

@@ -51,6 +51,34 @@ function escapeSqlString(input: string, escapeChar: string) {
 	return output;
 }
 
+
+/**
+ * Locates the active editor and call focus() on the editor if it is a QueryEditor.
+ */
+export class FocusOnCurrentQueryKeyboardAction extends Action {
+
+	public static ID = 'focusOnCurrentQueryKeyboardAction';
+	public static LABEL = nls.localize('focusOnCurrentQueryKeyboardAction', 'Focus on Current Query');
+
+	constructor(
+		id: string,
+		label: string,
+		@IWorkbenchEditorService private _editorService: IWorkbenchEditorService
+	) {
+		super(id, label);
+		this.enabled = true;
+	}
+
+	public run(): TPromise<void> {
+		let editor = this._editorService.getActiveEditor();
+		if (editor && editor instanceof QueryEditor) {
+			let queryEditor: QueryEditor = editor;
+			queryEditor.focus();
+		}
+		return TPromise.as(null);
+	}
+}
+
 /**
  * Locates the active editor and calls runQuery() on the editor if it is a QueryEditor.
  */