DevTools: Create extensible QuickOpen control

third_party/WebKit/Source/devtools/front_end/sources/GoToLineDialog.js

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+Sources.GoToLineDialog = class extends QuickOpen.FilteredListWidget.Delegate {

[pfeldman, 2017/02/07 02:10:03]

Sources.GoToLineQuickOpen

[einbinder, 2017/02/28 23:59:07]

Done.

+  /**
+   * @override
+   * @param {?number} itemIndex
+   * @param {string} promptValue
+   */
+  selectItem(itemIndex, promptValue) {
+    var uiSourceCode = this._currentUISourceCode();
+    if (!uiSourceCode)
+      return;
+    var position = this._parsePosition(promptValue);
+    if (!position)
+      return;
+    Common.Revealer.reveal(uiSourceCode.uiLocation(position.line - 1, position.column - 1));
+  }
+
+  /**
+   * @override
+   * @param {string} query
+   * @return {string}
+   */
+  notFoundText(query) {
+    if (!this._currentUISourceCode())
+      return Common.UIString('No file selected.');
+    var position = this._parsePosition(query);
+    if (!position)
+      return Common.UIString('Type a number to go to that line.');
+    var text = Common.UIString('Go to line ') + position.line;
+    if (position.column && position.column > 1)
+      text += Common.UIString(' and column ') + position.column;
+    text += '.';
+    return text;
+  }
+
+  /**
+   * @param {string} query
+   * @return {?{line: number, column: number}}
+   */
+  _parsePosition(query) {
+    var parts = query.match(/([0-9]+)(\:[0-9]*)?/);
+    if (!parts || !parts[0] || parts[0].length !== query.length)
+      return null;
+    var line = parseInt(parts[1], 10);
+    var column;
+    if (parts[2])
+      column = parseInt(parts[2].substring(1), 10);
+    return {line: Math.max(line | 0, 1), column: Math.max(column | 0, 1)};
+  }
+
+  /**
+   * @return {?Workspace.UISourceCode}
+   */
+  _currentUISourceCode() {
+    var sourcesView = UI.context.flavor(Sources.SourcesView);
+    if (!sourcesView)
+      return null;
+    return sourcesView.currentUISourceCode();
+  }
+};