1 /**************************************************************************** 2 Copyright (c) 2010-2012 cocos2d-x.org 3 4 http://www.cocos2d-x.org 5 6 Permission is hereby granted, free of charge, to any person obtaining a copy 7 of this software and associated documentation files (the "Software"), to deal 8 in the Software without restriction, including without limitation the rights 9 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 copies of the Software, and to permit persons to whom the Software is 11 furnished to do so, subject to the following conditions: 12 13 The above copyright notice and this permission notice shall be included in 14 all copies or substantial portions of the Software. 15 16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 THE SOFTWARE. 23 ****************************************************************************/ 24 25 /** 26 * Base class for ccs.UILayer 27 * @class 28 * @extends cc.Layer 29 */ 30 ccs.UILayer = cc.Layer.extend(/** @lends ccs.UILayer# */{ 31 _rootWidget: null, 32 _selectedWidgets: null, 33 _touchBeganedPoint: null, 34 _touchMovedPoint: null, 35 _touchEndedPoint: null, 36 _touchCanceledPoint: null, 37 ctor: function () { 38 cc.Layer.prototype.ctor.call(this); 39 this._selectedWidgets = []; 40 this._touchBeganedPoint = cc.p(0, 0); 41 this._touchMovedPoint = cc.p(0, 0); 42 this._touchEndedPoint = cc.p(0, 0); 43 this._touchCanceledPoint = cc.p(0, 0); 44 }, 45 init: function () { 46 if (cc.Layer.prototype.init.call(this)) { 47 this._rootWidget = ccs.Widget.create(); 48 this.addChild(this._rootWidget); 49 return true; 50 } 51 return false; 52 }, 53 54 onEnter: function () { 55 this.setTouchMode(cc.TOUCH_ONE_BY_ONE); 56 this.setTouchEnabled(true); 57 cc.Layer.prototype.onEnter.call(this); 58 59 }, 60 61 onExit: function () { 62 this.setTouchEnabled(false); 63 cc.Layer.prototype.onExit.call(this); 64 }, 65 66 /** 67 * Check touch event 68 * @param {ccs.Widget} root 69 * @param {cc.Touch} touch 70 * @param {event} event 71 * @returns {boolean} 72 */ 73 checkTouchEvent: function (root, touch,event) { 74 var arrayRootChildren = root.getChildren(); 75 var length = arrayRootChildren.length; 76 for (var i = length - 1; i >= 0; i--) { 77 var widget = arrayRootChildren[i]; 78 if (this.checkTouchEvent(widget, touch,event)) { 79 return true; 80 } 81 } 82 var pass = root.onTouchBegan(touch,event); 83 if (root._hitted) 84 { 85 this._selectedWidgets.push(root); 86 return true; 87 } 88 return pass; 89 }, 90 91 /** 92 * Finds a widget which is selected and call it's "onTouchBegan" method. 93 * @param {cc.Touch} touch 94 * @param {event} event 95 * @returns {boolean} 96 */ 97 checkEventWidget: function (touch,event) { 98 this.checkTouchEvent(this._rootWidget, touch,event); 99 return (this._selectedWidgets.length > 0); 100 }, 101 102 /** 103 * add widget 104 * @param {ccs.Widget} widget 105 */ 106 addWidget: function (widget) { 107 this._rootWidget.addChild(widget); 108 }, 109 110 /** 111 * remove widget 112 * @param {ccs.Widget} widget 113 */ 114 removeWidget: function (widget) { 115 this._rootWidget.removeChild(widget); 116 }, 117 118 /** 119 * get widget by tag 120 * @param {Number} tag 121 * @returns {ccs.Widget} 122 */ 123 getWidgetByTag: function (tag) { 124 if (!this._rootWidget) { 125 return null; 126 } 127 return ccs.UIHelper.seekWidgetByTag(this._rootWidget, tag); 128 }, 129 130 /** 131 * get widget by name 132 * @param name 133 * @returns {ccs.Widget} 134 */ 135 getWidgetByName: function (name) { 136 if (!this._rootWidget) { 137 return null; 138 } 139 return ccs.UIHelper.seekWidgetByName(this._rootWidget, name); 140 }, 141 142 /** 143 * get root widget 144 * @returns {ccs.Widget} 145 */ 146 getRootWidget: function () { 147 return this._rootWidget; 148 }, 149 150 /** 151 * get inputManager 152 * @returns {ccs.UIInputManager} 153 */ 154 getInputManager: function () { 155 return this._inputManager; 156 }, 157 158 /** 159 * remove all children 160 */ 161 clear: function () { 162 this._rootWidget.removeAllChildren(); 163 }, 164 165 onTouchBegan: function (touch, event) { 166 return this.checkEventWidget(touch,event); 167 }, 168 169 onTouchMoved: function (touch, event) { 170 var selectedWidgetArray = this._selectedWidgets; 171 for (var i = 0; i < selectedWidgetArray.length; ++i) { 172 var hitWidget = selectedWidgetArray[i]; 173 hitWidget.onTouchMoved(touch,event); 174 } 175 }, 176 177 onTouchEnded: function (touch, event) { 178 var selectedWidgetArray = this._selectedWidgets; 179 for (var i = 0; i < selectedWidgetArray.length; ++i) { 180 var hitWidget = selectedWidgetArray[i]; 181 hitWidget.onTouchEnded(touch,event); 182 } 183 this._selectedWidgets = []; 184 }, 185 186 onTouchCancelled: function (touch, event) { 187 var selectedWidgetArray = this._selectedWidgets; 188 for (var i = 0; i < selectedWidgetArray.length; ++i) { 189 var hitWidget = selectedWidgetArray[i]; 190 hitWidget.onTouchCancelled(touch,event); 191 } 192 this._selectedWidgets = []; 193 } 194 }); 195 /** 196 * allocates and initializes a UILayer. 197 * @constructs 198 * @return {ccs.UILayer} 199 * @example 200 * // example 201 * var uiLayer = ccs.UILayer.create(); 202 */ 203 ccs.UILayer.create = function () { 204 var uiLayer = new ccs.UILayer(); 205 if (uiLayer && uiLayer.init()) { 206 return uiLayer; 207 } 208 return null; 209 };