/**
+ * @class Ext.Element
+ */
+Ext.Element.addMethods(function(){
+ // local style camelizing for speed
+ var propCache = {},
+ camelRe = /(-[a-z])/gi,
+ classReCache = {},
+ view = document.defaultView,
+ propFloat = Ext.isIE ? 'styleFloat' : 'cssFloat',
+ opacityRe = /alpha\(opacity=(.*)\)/i,
+ trimRe = /^\s+|\s+$/g,
+ EL = Ext.Element,
+ PADDING = "padding",
+ MARGIN = "margin",
+ BORDER = "border",
+ LEFT = "-left",
+ RIGHT = "-right",
+ TOP = "-top",
+ BOTTOM = "-bottom",
+ WIDTH = "-width",
+ MATH = Math,
+ HIDDEN = 'hidden',
+ ISCLIPPED = 'isClipped',
+ OVERFLOW = 'overflow',
+ OVERFLOWX = 'overflow-x',
+ OVERFLOWY = 'overflow-y',
+ ORIGINALCLIP = 'originalClip',
+ // special markup used throughout Ext when box wrapping elements
+ borders = {l: BORDER + LEFT + WIDTH, r: BORDER + RIGHT + WIDTH, t: BORDER + TOP + WIDTH, b: BORDER + BOTTOM + WIDTH},
+ paddings = {l: PADDING + LEFT, r: PADDING + RIGHT, t: PADDING + TOP, b: PADDING + BOTTOM},
+ margins = {l: MARGIN + LEFT, r: MARGIN + RIGHT, t: MARGIN + TOP, b: MARGIN + BOTTOM},
+ data = Ext.Element.data;
+
+
+ // private
+ function camelFn(m, a) {
+ return a.charAt(1).toUpperCase();
+ }
+
+ // private (needs to be called => addStyles.call(this, sides, styles))
+ function addStyles(sides, styles){
+ var val = 0;
+
+ Ext.each(sides.match(/\w/g), function(s) {
+ if (s = parseInt(this.getStyle(styles[s]), 10)) {
+ val += MATH.abs(s);
+ }
+ },
+ this);
+ return val;
+ }
+
+ function chkCache(prop) {
+ return propCache[prop] || (propCache[prop] = prop == 'float' ? propFloat : prop.replace(camelRe, camelFn));
+
+ }
+
+ return {
+ // private ==> used by Fx
+ adjustWidth : function(width) {
+ var me = this;
+ var isNum = (typeof width == "number");
+ if(isNum && me.autoBoxAdjust && !me.isBorderBox()){
+ width -= (me.getBorderWidth("lr") + me.getPadding("lr"));
+ }
+ return (isNum && width < 0) ? 0 : width;
+ },
+
+ // private ==> used by Fx
+ adjustHeight : function(height) {
+ var me = this;
+ var isNum = (typeof height == "number");
+ if(isNum && me.autoBoxAdjust && !me.isBorderBox()){
+ height -= (me.getBorderWidth("tb") + me.getPadding("tb"));
+ }
+ return (isNum && height < 0) ? 0 : height;
+ },
+
+
+ /**
+ * Adds one or more CSS classes to the element. Duplicate classes are automatically filtered out.
+ * @param {String/Array} className The CSS class to add, or an array of classes
+ * @return {Ext.Element} this
+ */
+ addClass : function(className){
+ var me = this;
+ Ext.each(className, function(v) {
+ me.dom.className += (!me.hasClass(v) && v ? " " + v : "");
+ });
+ return me;
+ },
+
+ /**
+ * Adds one or more CSS classes to this element and removes the same class(es) from all siblings.
+ * @param {String/Array} className The CSS class to add, or an array of classes
+ * @return {Ext.Element} this
+ */
+ radioClass : function(className){
+ Ext.each(this.dom.parentNode.childNodes, function(v) {
+ if(v.nodeType == 1) {
+ Ext.fly(v, '_internal').removeClass(className);
+ }
+ });
+ return this.addClass(className);
+ },
+
+ /**
+ * Removes one or more CSS classes from the element.
+ * @param {String/Array} className The CSS class to remove, or an array of classes
+ * @return {Ext.Element} this
+ */
+ removeClass : function(className){
+ var me = this;
+ if (me.dom.className) {
+ Ext.each(className, function(v) {
+ me.dom.className = me.dom.className.replace(
+ classReCache[v] = classReCache[v] || new RegExp('(?:^|\\s+)' + v + '(?:\\s+|$)', "g"),
+ " ");
+ });
+ }
+ return me;
+ },
+
+ /**
+ * Toggles the specified CSS class on this element (removes it if it already exists, otherwise adds it).
+ * @param {String} className The CSS class to toggle
+ * @return {Ext.Element} this
+ */
+ toggleClass : function(className){
+ return this.hasClass(className) ? this.removeClass(className) : this.addClass(className);
+ },
+
+ /**
+ * Checks if the specified CSS class exists on this element's DOM node.
+ * @param {String} className The CSS class to check for
+ * @return {Boolean} True if the class exists, else false
+ */
+ hasClass : function(className){
+ return className && (' '+this.dom.className+' ').indexOf(' '+className+' ') != -1;
+ },
+
+ /**
+ * Replaces a CSS class on the element with another. If the old name does not exist, the new name will simply be added.
+ * @param {String} oldClassName The CSS class to replace
+ * @param {String} newClassName The replacement CSS class
+ * @return {Ext.Element} this
+ */
+ replaceClass : function(oldClassName, newClassName){
+ return this.removeClass(oldClassName).addClass(newClassName);
+ },
+
+ isStyle : function(style, val) {
+ return this.getStyle(style) == val;
+ },
+
+ /**
+ * Normalizes currentStyle and computedStyle.
+ * @param {String} property The style property whose value is returned.
+ * @return {String} The current value of the style property for this element.
+ */
+ getStyle : function(){
+ return view && view.getComputedStyle ?
+ function(prop){
+ var el = this.dom,
+ v,
+ cs;
+ if(el == document) return null;
+ prop = chkCache(prop);
+ return (v = el.style[prop]) ? v :
+ (cs = view.getComputedStyle(el, "")) ? cs[prop] : null;
+ } :
+ function(prop){
+ var el = this.dom,
+ m,
+ cs;
+
+ if(el == document) return null;
+ if (prop == 'opacity') {
+ if (el.style.filter.match) {
+ if(m = el.style.filter.match(opacityRe)){
+ var fv = parseFloat(m[1]);
+ if(!isNaN(fv)){
+ return fv ? fv / 100 : 0;
+ }
+ }
+ }
+ return 1;
+ }
+ prop = chkCache(prop);
+ return el.style[prop] || ((cs = el.currentStyle) ? cs[prop] : null);
+ };
+ }(),
+
+ /**
+ * Return the CSS color for the specified CSS attribute. rgb, 3 digit (like #fff) and valid values
+ * are convert to standard 6 digit hex color.
+ * @param {String} attr The css attribute
+ * @param {String} defaultValue The default value to use when a valid color isn't found
+ * @param {String} prefix (optional) defaults to #. Use an empty string when working with
+ * color anims.
+ */
+ getColor : function(attr, defaultValue, prefix){
+ var v = this.getStyle(attr),
+ color = prefix || '#',
+ h;
+
+ if(!v || /transparent|inherit/.test(v)){
+ return defaultValue;
+ }
+ if(/^r/.test(v)){
+ Ext.each(v.slice(4, v.length -1).split(','), function(s){
+ h = parseInt(s, 10);
+ color += (h < 16 ? '0' : '') + h.toString(16);
+ });
+ }else{
+ v = v.replace('#', '');
+ color += v.length == 3 ? v.replace(/^(\w)(\w)(\w)$/, '$1$1$2$2$3$3') : v;
+ }
+ return(color.length > 5 ? color.toLowerCase() : defaultValue);
+ },
+
+ /**
+ * Wrapper for setting style properties, also takes single object parameter of multiple styles.
+ * @param {String/Object} property The style property to be set, or an object of multiple styles.
+ * @param {String} value (optional) The value to apply to the given property, or null if an object was passed.
+ * @return {Ext.Element} this
+ */
+ setStyle : function(prop, value){
+ var tmp,
+ style,
+ camel;
+ if (!Ext.isObject(prop)) {
+ tmp = {};
+ tmp[prop] = value;
+ prop = tmp;
+ }
+ for (style in prop) {
+ value = prop[style];
+ style == 'opacity' ?
+ this.setOpacity(value) :
+ this.dom.style[chkCache(style)] = value;
+ }
+ return this;
+ },
+
+ /**
+ * Set the opacity of the element
+ * @param {Float} opacity The new opacity. 0 = transparent, .5 = 50% visibile, 1 = fully visible, etc
+ * @param {Boolean/Object} animate (optional) a standard Element animation config object or true for
+ * the default animation ({duration: .35, easing: 'easeIn'})
+ * @return {Ext.Element} this
+ */
+ setOpacity : function(opacity, animate){
+ var me = this,
+ s = me.dom.style;
+
+ if(!animate || !me.anim){
+ if(Ext.isIE){
+ var opac = opacity < 1 ? 'alpha(opacity=' + opacity * 100 + ')' : '',
+ val = s.filter.replace(opacityRe, '').replace(trimRe, '');
+
+ s.zoom = 1;
+ s.filter = val + (val.length > 0 ? ' ' : '') + opac;
+ }else{
+ s.opacity = opacity;
+ }
+ }else{
+ me.anim({opacity: {to: opacity}}, me.preanim(arguments, 1), null, .35, 'easeIn');
+ }
+ return me;
+ },
+
+ /**
+ * Clears any opacity settings from this element. Required in some cases for IE.
+ * @return {Ext.Element} this
+ */
+ clearOpacity : function(){
+ var style = this.dom.style;
+ if(Ext.isIE){
+ if(!Ext.isEmpty(style.filter)){
+ style.filter = style.filter.replace(opacityRe, '').replace(trimRe, '');
+ }
+ }else{
+ style.opacity = style['-moz-opacity'] = style['-khtml-opacity'] = '';
+ }
+ return this;
+ },
+
+ /**
+ * Returns the offset height of the element
+ * @param {Boolean} contentHeight (optional) true to get the height minus borders and padding
+ * @return {Number} The element's height
+ */
+ getHeight : function(contentHeight){
+ var me = this,
+ dom = me.dom,
+ h = MATH.max(dom.offsetHeight, dom.clientHeight) || 0;
+ h = !contentHeight ? h : h - me.getBorderWidth("tb") - me.getPadding("tb");
+ return h < 0 ? 0 : h;
+ },
+
+ /**
+ * Returns the offset width of the element
+ * @param {Boolean} contentWidth (optional) true to get the width minus borders and padding
+ * @return {Number} The element's width
+ */
+ getWidth : function(contentWidth){
+ var me = this,
+ dom = me.dom,
+ w = MATH.max(dom.offsetWidth, dom.clientWidth) || 0;
+ w = !contentWidth ? w : w - me.getBorderWidth("lr") - me.getPadding("lr");
+ return w < 0 ? 0 : w;
+ },
+
+ /**
+ * Set the width of this Element.
+ * @param {Mixed} width The new width. This may be one of:
+ *
A Number specifying the new width in this Element's {@link #defaultUnit}s (by default, pixels).
+ *
A String used to set the CSS width style. Animation may not be used.
+ *
+ * @param {Boolean/Object} animate (optional) true for the default animation or a standard Element animation config object
+ * @return {Ext.Element} this
+ */
+ setWidth : function(width, animate){
+ var me = this;
+ width = me.adjustWidth(width);
+ !animate || !me.anim ?
+ me.dom.style.width = me.addUnits(width) :
+ me.anim({width : {to : width}}, me.preanim(arguments, 1));
+ return me;
+ },
+
+ /**
+ * Set the height of this Element.
+ *
+// change the height to 200px and animate with default configuration
+Ext.fly('elementId').setHeight(200, true);
+
+// change the height to 150px and animate with a custom configuration
+Ext.fly('elId').setHeight(150, {
+ duration : .5, // animation will have a duration of .5 seconds
+ // will change the content to "finished"
+ callback: function(){ this.{@link #update}("finished"); }
+});
+ *
+ * @param {Mixed} height The new height. This may be one of:
+ *
A Number specifying the new height in this Element's {@link #defaultUnit}s (by default, pixels.)
+ *
A String used to set the CSS height style. Animation may not be used.
+ *
+ * @param {Boolean/Object} animate (optional) true for the default animation or a standard Element animation config object
+ * @return {Ext.Element} this
+ */
+ setHeight : function(height, animate){
+ var me = this;
+ height = me.adjustHeight(height);
+ !animate || !me.anim ?
+ me.dom.style.height = me.addUnits(height) :
+ me.anim({height : {to : height}}, me.preanim(arguments, 1));
+ return me;
+ },
+
+ /**
+ * Gets the width of the border(s) for the specified side(s)
+ * @param {String} side Can be t, l, r, b or any combination of those to add multiple values. For example,
+ * passing 'lr' would get the border left width + the border right width.
+ * @return {Number} The width of the sides passed added together
+ */
+ getBorderWidth : function(side){
+ return addStyles.call(this, side, borders);
+ },
+
+ /**
+ * Gets the width of the padding(s) for the specified side(s)
+ * @param {String} side Can be t, l, r, b or any combination of those to add multiple values. For example,
+ * passing 'lr' would get the padding left + the padding right.
+ * @return {Number} The padding of the sides passed added together
+ */
+ getPadding : function(side){
+ return addStyles.call(this, side, paddings);
+ },
+
+ /**
+ * Store the current overflow setting and clip overflow on the element - use {@link #unclip} to remove
+ * @return {Ext.Element} this
+ */
+ clip : function(){
+ var me = this,
+ dom = me.dom;
+
+ if(!data(dom, ISCLIPPED)){
+ data(dom, ISCLIPPED, true);
+ data(dom, ORIGINALCLIP, {
+ o: me.getStyle(OVERFLOW),
+ x: me.getStyle(OVERFLOWX),
+ y: me.getStyle(OVERFLOWY)
+ });
+ me.setStyle(OVERFLOW, HIDDEN);
+ me.setStyle(OVERFLOWX, HIDDEN);
+ me.setStyle(OVERFLOWY, HIDDEN);
+ }
+ return me;
+ },
+
+ /**
+ * Return clipping (overflow) to original clipping before {@link #clip} was called
+ * @return {Ext.Element} this
+ */
+ unclip : function(){
+ var me = this,
+ dom = me.dom;
+
+ if(data(dom, ISCLIPPED)){
+ data(dom, ISCLIPPED, false);
+ var o = data(dom, ORIGINALCLIP);
+ if(o.o){
+ me.setStyle(OVERFLOW, o.o);
+ }
+ if(o.x){
+ me.setStyle(OVERFLOWX, o.x);
+ }
+ if(o.y){
+ me.setStyle(OVERFLOWY, o.y);
+ }
+ }
+ return me;
+ },
+
+ addStyles : addStyles,
+ margins : margins
+ }
+}()
+);