3 <title>The source code</title>
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4 <link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
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5 <script type="text/javascript" src="../resources/prettify/prettify.js"></script>
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7 <body onload="prettyPrint();">
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8 <pre class="prettyprint lang-js">/**
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11 Ext.Element.addMethods(function(){
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12 // local style camelizing for speed
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14 camelRe = /(-[a-z])/gi,
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16 view = document.defaultView,
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17 propFloat = Ext.isIE ? 'styleFloat' : 'cssFloat',
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18 opacityRe = /alpha\(opacity=(.*)\)/i,
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19 trimRe = /^\s+|\s+$/g,
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21 PADDING = "padding",
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31 ISCLIPPED = 'isClipped',
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32 OVERFLOW = 'overflow',
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33 OVERFLOWX = 'overflow-x',
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34 OVERFLOWY = 'overflow-y',
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35 ORIGINALCLIP = 'originalClip',
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36 // special markup used throughout Ext when box wrapping elements
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37 borders = {l: BORDER + LEFT + WIDTH, r: BORDER + RIGHT + WIDTH, t: BORDER + TOP + WIDTH, b: BORDER + BOTTOM + WIDTH},
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38 paddings = {l: PADDING + LEFT, r: PADDING + RIGHT, t: PADDING + TOP, b: PADDING + BOTTOM},
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39 margins = {l: MARGIN + LEFT, r: MARGIN + RIGHT, t: MARGIN + TOP, b: MARGIN + BOTTOM},
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40 data = Ext.Element.data;
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44 function camelFn(m, a) {
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45 return a.charAt(1).toUpperCase();
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48 // private (needs to be called => addStyles.call(this, sides, styles))
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49 function addStyles(sides, styles){
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52 Ext.each(sides.match(/\w/g), function(s) {
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53 if (s = parseInt(this.getStyle(styles[s]), 10)) {
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54 val += MATH.abs(s);
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61 function chkCache(prop) {
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62 return propCache[prop] || (propCache[prop] = prop == 'float' ? propFloat : prop.replace(camelRe, camelFn));
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67 // private ==> used by Fx
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68 adjustWidth : function(width) {
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70 var isNum = (typeof width == "number");
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71 if(isNum && me.autoBoxAdjust && !me.isBorderBox()){
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72 width -= (me.getBorderWidth("lr") + me.getPadding("lr"));
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74 return (isNum && width < 0) ? 0 : width;
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77 // private ==> used by Fx
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78 adjustHeight : function(height) {
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80 var isNum = (typeof height == "number");
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81 if(isNum && me.autoBoxAdjust && !me.isBorderBox()){
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82 height -= (me.getBorderWidth("tb") + me.getPadding("tb"));
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84 return (isNum && height < 0) ? 0 : height;
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88 <div id="method-Ext.Element-addClass"></div>/**
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89 * Adds one or more CSS classes to the element. Duplicate classes are automatically filtered out.
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90 * @param {String/Array} className The CSS class to add, or an array of classes
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91 * @return {Ext.Element} this
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93 addClass : function(className){
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95 Ext.each(className, function(v) {
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96 me.dom.className += (!me.hasClass(v) && v ? " " + v : "");
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101 <div id="method-Ext.Element-radioClass"></div>/**
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102 * Adds one or more CSS classes to this element and removes the same class(es) from all siblings.
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103 * @param {String/Array} className The CSS class to add, or an array of classes
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104 * @return {Ext.Element} this
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106 radioClass : function(className){
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107 Ext.each(this.dom.parentNode.childNodes, function(v) {
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108 if(v.nodeType == 1) {
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109 Ext.fly(v, '_internal').removeClass(className);
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112 return this.addClass(className);
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115 <div id="method-Ext.Element-removeClass"></div>/**
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116 * Removes one or more CSS classes from the element.
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117 * @param {String/Array} className The CSS class to remove, or an array of classes
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118 * @return {Ext.Element} this
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120 removeClass : function(className){
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122 if (me.dom.className) {
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123 Ext.each(className, function(v) {
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124 me.dom.className = me.dom.className.replace(
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125 classReCache[v] = classReCache[v] || new RegExp('(?:^|\\s+)' + v + '(?:\\s+|$)', "g"),
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132 <div id="method-Ext.Element-toggleClass"></div>/**
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133 * Toggles the specified CSS class on this element (removes it if it already exists, otherwise adds it).
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134 * @param {String} className The CSS class to toggle
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135 * @return {Ext.Element} this
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137 toggleClass : function(className){
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138 return this.hasClass(className) ? this.removeClass(className) : this.addClass(className);
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141 <div id="method-Ext.Element-hasClass"></div>/**
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142 * Checks if the specified CSS class exists on this element's DOM node.
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143 * @param {String} className The CSS class to check for
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144 * @return {Boolean} True if the class exists, else false
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146 hasClass : function(className){
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147 return className && (' '+this.dom.className+' ').indexOf(' '+className+' ') != -1;
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150 <div id="method-Ext.Element-replaceClass"></div>/**
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151 * Replaces a CSS class on the element with another. If the old name does not exist, the new name will simply be added.
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152 * @param {String} oldClassName The CSS class to replace
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153 * @param {String} newClassName The replacement CSS class
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154 * @return {Ext.Element} this
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156 replaceClass : function(oldClassName, newClassName){
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157 return this.removeClass(oldClassName).addClass(newClassName);
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160 isStyle : function(style, val) {
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161 return this.getStyle(style) == val;
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164 <div id="method-Ext.Element-getStyle"></div>/**
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165 * Normalizes currentStyle and computedStyle.
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166 * @param {String} property The style property whose value is returned.
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167 * @return {String} The current value of the style property for this element.
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169 getStyle : function(){
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170 return view && view.getComputedStyle ?
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175 if(el == document) return null;
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176 prop = chkCache(prop);
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177 return (v = el.style[prop]) ? v :
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178 (cs = view.getComputedStyle(el, "")) ? cs[prop] : null;
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181 var el = this.dom,
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185 if(el == document) return null;
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186 if (prop == 'opacity') {
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187 if (el.style.filter.match) {
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188 if(m = el.style.filter.match(opacityRe)){
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189 var fv = parseFloat(m[1]);
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191 return fv ? fv / 100 : 0;
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197 prop = chkCache(prop);
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198 return el.style[prop] || ((cs = el.currentStyle) ? cs[prop] : null);
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202 <div id="method-Ext.Element-getColor"></div>/**
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203 * Return the CSS color for the specified CSS attribute. rgb, 3 digit (like #fff) and valid values
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204 * are convert to standard 6 digit hex color.
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205 * @param {String} attr The css attribute
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206 * @param {String} defaultValue The default value to use when a valid color isn't found
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207 * @param {String} prefix (optional) defaults to #. Use an empty string when working with
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210 getColor : function(attr, defaultValue, prefix){
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211 var v = this.getStyle(attr),
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212 color = prefix || '#',
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215 if(!v || /transparent|inherit/.test(v)){
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216 return defaultValue;
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219 Ext.each(v.slice(4, v.length -1).split(','), function(s){
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220 h = parseInt(s, 10);
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221 color += (h < 16 ? '0' : '') + h.toString(16);
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224 v = v.replace('#', '');
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225 color += v.length == 3 ? v.replace(/^(\w)(\w)(\w)$/, '$1$1$2$2$3$3') : v;
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227 return(color.length > 5 ? color.toLowerCase() : defaultValue);
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230 <div id="method-Ext.Element-setStyle"></div>/**
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231 * Wrapper for setting style properties, also takes single object parameter of multiple styles.
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232 * @param {String/Object} property The style property to be set, or an object of multiple styles.
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233 * @param {String} value (optional) The value to apply to the given property, or null if an object was passed.
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234 * @return {Ext.Element} this
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236 setStyle : function(prop, value){
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240 if (!Ext.isObject(prop)) {
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242 tmp[prop] = value;
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245 for (style in prop) {
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246 value = prop[style];
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247 style == 'opacity' ?
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248 this.setOpacity(value) :
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249 this.dom.style[chkCache(style)] = value;
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254 <div id="method-Ext.Element-setOpacity"></div>/**
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255 * Set the opacity of the element
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256 * @param {Float} opacity The new opacity. 0 = transparent, .5 = 50% visibile, 1 = fully visible, etc
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257 * @param {Boolean/Object} animate (optional) a standard Element animation config object or <tt>true</tt> for
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258 * the default animation (<tt>{duration: .35, easing: 'easeIn'}</tt>)
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259 * @return {Ext.Element} this
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261 setOpacity : function(opacity, animate){
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265 if(!animate || !me.anim){
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267 var opac = opacity < 1 ? 'alpha(opacity=' + opacity * 100 + ')' : '',
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268 val = s.filter.replace(opacityRe, '').replace(trimRe, '');
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271 s.filter = val + (val.length > 0 ? ' ' : '') + opac;
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273 s.opacity = opacity;
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276 me.anim({opacity: {to: opacity}}, me.preanim(arguments, 1), null, .35, 'easeIn');
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281 <div id="method-Ext.Element-clearOpacity"></div>/**
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282 * Clears any opacity settings from this element. Required in some cases for IE.
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283 * @return {Ext.Element} this
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285 clearOpacity : function(){
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286 var style = this.dom.style;
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288 if(!Ext.isEmpty(style.filter)){
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289 style.filter = style.filter.replace(opacityRe, '').replace(trimRe, '');
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292 style.opacity = style['-moz-opacity'] = style['-khtml-opacity'] = '';
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297 <div id="method-Ext.Element-getHeight"></div>/**
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298 * Returns the offset height of the element
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299 * @param {Boolean} contentHeight (optional) true to get the height minus borders and padding
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300 * @return {Number} The element's height
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302 getHeight : function(contentHeight){
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305 h = MATH.max(dom.offsetHeight, dom.clientHeight) || 0;
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306 h = !contentHeight ? h : h - me.getBorderWidth("tb") - me.getPadding("tb");
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307 return h < 0 ? 0 : h;
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310 <div id="method-Ext.Element-getWidth"></div>/**
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311 * Returns the offset width of the element
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312 * @param {Boolean} contentWidth (optional) true to get the width minus borders and padding
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313 * @return {Number} The element's width
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315 getWidth : function(contentWidth){
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318 w = MATH.max(dom.offsetWidth, dom.clientWidth) || 0;
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319 w = !contentWidth ? w : w - me.getBorderWidth("lr") - me.getPadding("lr");
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320 return w < 0 ? 0 : w;
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323 <div id="method-Ext.Element-setWidth"></div>/**
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324 * Set the width of this Element.
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325 * @param {Mixed} width The new width. This may be one of:<div class="mdetail-params"><ul>
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326 * <li>A Number specifying the new width in this Element's {@link #defaultUnit}s (by default, pixels).</li>
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327 * <li>A String used to set the CSS width style. Animation may <b>not</b> be used.
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329 * @param {Boolean/Object} animate (optional) true for the default animation or a standard Element animation config object
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330 * @return {Ext.Element} this
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332 setWidth : function(width, animate){
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334 width = me.adjustWidth(width);
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335 !animate || !me.anim ?
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336 me.dom.style.width = me.addUnits(width) :
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337 me.anim({width : {to : width}}, me.preanim(arguments, 1));
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341 <div id="method-Ext.Element-setHeight"></div>/**
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342 * Set the height of this Element.
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344 // change the height to 200px and animate with default configuration
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345 Ext.fly('elementId').setHeight(200, true);
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347 // change the height to 150px and animate with a custom configuration
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348 Ext.fly('elId').setHeight(150, {
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349 duration : .5, // animation will have a duration of .5 seconds
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350 // will change the content to "finished"
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351 callback: function(){ this.{@link #update}("finished"); }
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354 * @param {Mixed} height The new height. This may be one of:<div class="mdetail-params"><ul>
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355 * <li>A Number specifying the new height in this Element's {@link #defaultUnit}s (by default, pixels.)</li>
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356 * <li>A String used to set the CSS height style. Animation may <b>not</b> be used.</li>
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358 * @param {Boolean/Object} animate (optional) true for the default animation or a standard Element animation config object
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359 * @return {Ext.Element} this
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361 setHeight : function(height, animate){
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363 height = me.adjustHeight(height);
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364 !animate || !me.anim ?
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365 me.dom.style.height = me.addUnits(height) :
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366 me.anim({height : {to : height}}, me.preanim(arguments, 1));
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370 <div id="method-Ext.Element-getBorderWidth"></div>/**
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371 * Gets the width of the border(s) for the specified side(s)
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372 * @param {String} side Can be t, l, r, b or any combination of those to add multiple values. For example,
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373 * passing <tt>'lr'</tt> would get the border <b><u>l</u></b>eft width + the border <b><u>r</u></b>ight width.
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374 * @return {Number} The width of the sides passed added together
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376 getBorderWidth : function(side){
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377 return addStyles.call(this, side, borders);
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380 <div id="method-Ext.Element-getPadding"></div>/**
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381 * Gets the width of the padding(s) for the specified side(s)
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382 * @param {String} side Can be t, l, r, b or any combination of those to add multiple values. For example,
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383 * passing <tt>'lr'</tt> would get the padding <b><u>l</u></b>eft + the padding <b><u>r</u></b>ight.
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384 * @return {Number} The padding of the sides passed added together
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386 getPadding : function(side){
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387 return addStyles.call(this, side, paddings);
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390 <div id="method-Ext.Element-clip"></div>/**
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391 * Store the current overflow setting and clip overflow on the element - use <tt>{@link #unclip}</tt> to remove
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392 * @return {Ext.Element} this
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398 if(!data(dom, ISCLIPPED)){
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399 data(dom, ISCLIPPED, true);
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400 data(dom, ORIGINALCLIP, {
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401 o: me.getStyle(OVERFLOW),
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402 x: me.getStyle(OVERFLOWX),
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403 y: me.getStyle(OVERFLOWY)
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405 me.setStyle(OVERFLOW, HIDDEN);
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406 me.setStyle(OVERFLOWX, HIDDEN);
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407 me.setStyle(OVERFLOWY, HIDDEN);
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412 <div id="method-Ext.Element-unclip"></div>/**
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413 * Return clipping (overflow) to original clipping before <tt>{@link #clip}</tt> was called
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414 * @return {Ext.Element} this
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416 unclip : function(){
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420 if(data(dom, ISCLIPPED)){
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421 data(dom, ISCLIPPED, false);
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422 var o = data(dom, ORIGINALCLIP);
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424 me.setStyle(OVERFLOW, o.o);
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427 me.setStyle(OVERFLOWX, o.x);
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430 me.setStyle(OVERFLOWY, o.y);
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436 addStyles : addStyles,
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