1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 /** 6 * @constructor 7 * @extends {WebInspector.Object} 8 */ 9 WebInspector.DropDownMenu = function() 10 { 11 this.element = document.createElementWithClass("select", "drop-down-menu"); 12 this.element.addEventListener("mousedown", this._onBeforeMouseDown.bind(this), true); 13 this.element.addEventListener("mousedown", consumeEvent, false); 14 this.element.addEventListener("change", this._onChange.bind(this), false); 15 } 16 17 WebInspector.DropDownMenu.Events = { 18 BeforeShow: "BeforeShow", 19 ItemSelected: "ItemSelected" 20 } 21 22 WebInspector.DropDownMenu.prototype = { 23 _onBeforeMouseDown: function() 24 { 25 this.dispatchEventToListeners(WebInspector.DropDownMenu.Events.BeforeShow, null); 26 }, 27 28 _onChange: function() 29 { 30 var options = this.element.options; 31 var selectedOption = options[this.element.selectedIndex]; 32 this.dispatchEventToListeners(WebInspector.DropDownMenu.Events.ItemSelected, selectedOption.id); 33 }, 34 35 /** 36 * @param {string} id 37 * @param {string} title 38 */ 39 addItem: function(id, title) 40 { 41 var option = new Option(title); 42 option.id = id; 43 this.element.appendChild(option); 44 }, 45 46 /** 47 * @param {?string} id 48 */ 49 selectItem: function(id) 50 { 51 var children = this.element.children; 52 for (var i = 0; i < children.length; ++i) { 53 var child = children[i]; 54 if (child.id === id) { 55 this.element.selectedIndex = i; 56 return; 57 } 58 } 59 this.element.selectedIndex = -1; 60 }, 61 62 clear: function() 63 { 64 this.element.removeChildren(); 65 }, 66 67 __proto__: WebInspector.Object.prototype 68 } 69
