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 ccs.LABELATLASRENDERERZ = -1;
 26 /**
 27  * Base class for ccs.UICCLabelAtlas
 28  * @class
 29  * @extends cc.LabelAtlas
 30  */
 31 ccs.UICCLabelAtlas = cc.LabelAtlas.extend({
 32 
 33     setProperty: function (string, charMapFile, itemWidth, itemHeight, startCharMap) {
 34         this.initWithString(string, charMapFile, itemWidth, itemHeight, startCharMap);
 35     },
 36 
 37     draw: function () {
 38         if (!this._textureAtlas) {
 39             return;
 40         }
 41 
 42         cc.AtlasNode.prototype.draw.call(this);
 43     },
 44     updateDisplayedOpacity: function (opacity) {
 45         cc.AtlasNode.prototype.updateDisplayedOpacity.call(this, opacity);
 46     }
 47 });
 48 
 49 ccs.UICCLabelAtlas.create = function () {
 50     var uiCCLabelAtlas = new ccs.UICCLabelAtlas();
 51     if (uiCCLabelAtlas && uiCCLabelAtlas.init()) {
 52         return uiCCLabelAtlas;
 53     }
 54     return null;
 55 };
 56 
 57 /**
 58  * Base class for ccs.LabelAtlas
 59  * @class
 60  * @extends ccs.Widget
 61  */
 62 ccs.LabelAtlas = ccs.Widget.extend(/** @lends ccs.LabelAtlas# */{
 63     _labelAtlasRenderer: null,
 64     _stringValue: "",
 65     _charMapFileName: "",
 66     _itemWidth: 0,
 67     _itemHeight: 0,
 68     _startCharMap: "",
 69     ctor: function () {
 70         ccs.Widget.prototype.ctor.call(this);
 71         this._labelAtlasRenderer = null;
 72     },
 73 
 74     initRenderer: function () {
 75         this._labelAtlasRenderer = ccs.UICCLabelAtlas.create();
 76         cc.NodeRGBA.prototype.addChild.call(this, this._labelAtlasRenderer, ccs.LABELATLASRENDERERZ, -1);
 77     },
 78 
 79     /**
 80      * initializes the UILabelAtlas with a string, a char map file(the atlas), the width and height of each element and the starting char of the atlas
 81      * @param {String} stringValue
 82      * @param {String} charMapFile
 83      * @param {number} itemWidth
 84      * @param {number} itemHeight
 85      * @param {String} startCharMap
 86      */
 87     setProperty: function (stringValue, charMapFile, itemWidth, itemHeight, startCharMap) {
 88         this._stringValue = stringValue;
 89         this._charMapFileName = charMapFile;
 90         this._itemWidth = itemWidth;
 91         this._itemHeight = itemHeight;
 92         this._startCharMap = startCharMap;
 93         var renderer = this._labelAtlasRenderer;
 94         renderer.setProperty(stringValue, charMapFile, itemWidth, itemHeight, startCharMap[0]);
 95         this.updateAnchorPoint();
 96         this.labelAtlasScaleChangedWithSize();
 97 
 98         if (!renderer.textureLoaded()) {
 99             renderer.addLoadedEventListener(function () {
100                 this.labelAtlasScaleChangedWithSize();
101             }, this);
102         }
103     },
104 
105     /**
106      * set string value for labelatlas.
107      * @param {String} value
108      */
109     setStringValue: function (value) {
110         this._stringValue = value;
111         this._labelAtlasRenderer.setString(value);
112         this.labelAtlasScaleChangedWithSize();
113     },
114 
115     /**
116      * get string value for labelatlas.
117      * @returns {String}
118      */
119     getStringValue: function () {
120         return this._labelAtlasRenderer.getString();
121     },
122 
123     /**
124      * override "setAnchorPoint" of widget.
125      * @param {cc.Point|Number} point The anchor point of UILabelAtlas or The anchor point.x of UILabelAtlas.
126      * @param {Number} [y] The anchor point.y of UILabelAtlas.
127      */
128     setAnchorPoint: function (point, y) {
129         if(arguments.length === 2){
130             ccs.Widget.prototype.setAnchorPoint.call(this, point, y);
131             this._labelAtlasRenderer.setAnchorPoint(point, y);
132         } else {
133             ccs.Widget.prototype.setAnchorPoint.call(this, point);
134             this._labelAtlasRenderer.setAnchorPoint(point);
135         }
136     },
137 
138     onSizeChanged: function () {
139         ccs.Widget.prototype.onSizeChanged.call(this);
140         this.labelAtlasScaleChangedWithSize();
141     },
142 
143     /**
144      * override "getContentSize" method of widget.
145      * @returns {cc.Size}
146      */
147     getContentSize: function () {
148         return this._labelAtlasRenderer.getContentSize();
149     },
150 
151     /**
152      * override "getVirtualRenderer" method of widget.
153      * @returns {cc.Node}
154      */
155     getVirtualRenderer: function () {
156         return this._labelAtlasRenderer;
157     },
158 
159     labelAtlasScaleChangedWithSize: function () {
160         if (this._ignoreSize) {
161             this._labelAtlasRenderer.setScale(1.0);
162             var atlasRenderSize = this._labelAtlasRenderer.getContentSize();
163             this._size.width = atlasRenderSize.width;
164             this._size.height = atlasRenderSize.height;
165         }
166         else {
167             var textureSize = this._labelAtlasRenderer.getContentSize();
168             if (textureSize.width <= 0.0 || textureSize.height <= 0.0) {
169                 this._labelAtlasRenderer.setScale(1.0);
170                 return;
171             }
172             var scaleX = this._size.width / textureSize.width;
173             var scaleY = this._size.height / textureSize.height;
174             this._labelAtlasRenderer.setScaleX(scaleX);
175             this._labelAtlasRenderer.setScaleY(scaleY);
176         }
177     },
178 
179     /**
180      * Returns the "class name" of widget.
181      * @returns {string}
182      */
183     getDescription: function () {
184         return "LabelAtlase";
185     },
186 
187     createCloneInstance: function () {
188         return ccs.LabelAtlas.create();
189     },
190 
191     copySpecialProperties: function (labelAtlas) {
192         this.setProperty(labelAtlas._stringValue, labelAtlas._charMapFileName, labelAtlas._itemWidth, labelAtlas._itemHeight, labelAtlas._startCharMap);
193     }
194 });
195 /**
196  * allocates and initializes a UILabelAtlas.
197  * @constructs
198  * @return {ccs.LabelAtlas}
199  * @example
200  * // example
201  * var uiLabelAtlas = ccs.LabelAtlas.create();
202  */
203 ccs.LabelAtlas.create = function () {
204     var uiLabelAtlas = new ccs.LabelAtlas();
205     if (uiLabelAtlas && uiLabelAtlas.init()) {
206         return uiLabelAtlas;
207     }
208     return null;
209 };