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+ <pre class="prettyprint lang-js"><span id='Ext-core-Element'>/**
+</span> * @class Ext.core.Element
+ */
+<span id='Ext-core-Element-property-VISIBILITY'>/**
+</span> * Visibility mode constant for use with {@link #setVisibilityMode}. Use visibility to hide element
+ * @static
+ * @type Number
+ */
+Ext.core.Element.VISIBILITY = 1;
+<span id='Ext-core-Element-property-DISPLAY'>/**
+</span> * Visibility mode constant for use with {@link #setVisibilityMode}. Use display to hide element
+ * @static
+ * @type Number
+ */
+Ext.core.Element.DISPLAY = 2;
+
+<span id='Ext-core-Element-property-OFFSETS'>/**
+</span> * Visibility mode constant for use with {@link #setVisibilityMode}. Use offsets (x and y positioning offscreen)
+ * to hide element.
+ * @static
+ * @type Number
+ */
+Ext.core.Element.OFFSETS = 3;
+
+
+Ext.core.Element.ASCLASS = 4;
+
+<span id='Ext-core-Element-property-visibilityCls'>/**
+</span> * Defaults to 'x-hide-nosize'
+ * @static
+ * @type String
+ */
+Ext.core.Element.visibilityCls = Ext.baseCSSPrefix + 'hide-nosize';
+
+Ext.core.Element.addMethods(function(){
+ var El = Ext.core.Element,
+ OPACITY = "opacity",
+ VISIBILITY = "visibility",
+ DISPLAY = "display",
+ HIDDEN = "hidden",
+ OFFSETS = "offsets",
+ ASCLASS = "asclass",
+ NONE = "none",
+ NOSIZE = 'nosize',
+ ORIGINALDISPLAY = 'originalDisplay',
+ VISMODE = 'visibilityMode',
+ ISVISIBLE = 'isVisible',
+ data = El.data,
+ getDisplay = function(dom){
+ var d = data(dom, ORIGINALDISPLAY);
+ if(d === undefined){
+ data(dom, ORIGINALDISPLAY, d = '');
+ }
+ return d;
+ },
+ getVisMode = function(dom){
+ var m = data(dom, VISMODE);
+ if(m === undefined){
+ data(dom, VISMODE, m = 1);
+ }
+ return m;
+ };
+
+ return {
+<span id='Ext-core-Element-property-originalDisplay'> /**
+</span> * The element's default display mode (defaults to "")
+ * @type String
+ */
+ originalDisplay : "",
+ visibilityMode : 1,
+
+<span id='Ext-core-Element-method-setVisibilityMode'> /**
+</span> * Sets the element's visibility mode. When setVisible() is called it
+ * will use this to determine whether to set the visibility or the display property.
+ * @param {Number} visMode Ext.core.Element.VISIBILITY or Ext.core.Element.DISPLAY
+ * @return {Ext.core.Element} this
+ */
+ setVisibilityMode : function(visMode){
+ data(this.dom, VISMODE, visMode);
+ return this;
+ },
+
+<span id='Ext-core-Element-method-isVisible'> /**
+</span> * Checks whether the element is currently visible using both visibility and display properties.
+ * @return {Boolean} True if the element is currently visible, else false
+ */
+ isVisible : function() {
+ var me = this,
+ dom = me.dom,
+ visible = data(dom, ISVISIBLE);
+
+ if(typeof visible == 'boolean'){ //return the cached value if registered
+ return visible;
+ }
+ //Determine the current state based on display states
+ visible = !me.isStyle(VISIBILITY, HIDDEN) &&
+ !me.isStyle(DISPLAY, NONE) &&
+ !((getVisMode(dom) == El.ASCLASS) && me.hasCls(me.visibilityCls || El.visibilityCls));
+
+ data(dom, ISVISIBLE, visible);
+ return visible;
+ },
+
+<span id='Ext-core-Element-method-setVisible'> /**
+</span> * Sets the visibility of the element (see details). If the visibilityMode is set to Element.DISPLAY, it will use
+ * the display property to hide the element, otherwise it uses visibility. The default is to hide and show using the visibility property.
+ * @param {Boolean} visible Whether the element is visible
+ * @param {Boolean/Object} animate (optional) True for the default animation, or a standard Element animation config object
+ * @return {Ext.core.Element} this
+ */
+ setVisible : function(visible, animate){
+ var me = this, isDisplay, isVisibility, isOffsets, isNosize,
+ dom = me.dom,
+ visMode = getVisMode(dom);
+
+
+ // hideMode string override
+ if (typeof animate == 'string'){
+ switch (animate) {
+ case DISPLAY:
+ visMode = El.DISPLAY;
+ break;
+ case VISIBILITY:
+ visMode = El.VISIBILITY;
+ break;
+ case OFFSETS:
+ visMode = El.OFFSETS;
+ break;
+ case NOSIZE:
+ case ASCLASS:
+ visMode = El.ASCLASS;
+ break;
+ }
+ me.setVisibilityMode(visMode);
+ animate = false;
+ }
+
+ if (!animate || !me.anim) {
+ if(visMode == El.ASCLASS ){
+
+ me[visible?'removeCls':'addCls'](me.visibilityCls || El.visibilityCls);
+
+ } else if (visMode == El.DISPLAY){
+
+ return me.setDisplayed(visible);
+
+ } else if (visMode == El.OFFSETS){
+
+ if (!visible){
+ // Remember position for restoring, if we are not already hidden by offsets.
+ if (!me.hideModeStyles) {
+ me.hideModeStyles = {
+ position: me.getStyle('position'),
+ top: me.getStyle('top'),
+ left: me.getStyle('left')
+ };
+ }
+ me.applyStyles({position: 'absolute', top: '-10000px', left: '-10000px'});
+ }
+
+ // Only "restore" as position if we have actually been hidden using offsets.
+ // Calling setVisible(true) on a positioned element should not reposition it.
+ else if (me.hideModeStyles) {
+ me.applyStyles(me.hideModeStyles || {position: '', top: '', left: ''});
+ delete me.hideModeStyles;
+ }
+
+ }else{
+ me.fixDisplay();
+ // Show by clearing visibility style. Explicitly setting to "visible" overrides parent visibility setting.
+ dom.style.visibility = visible ? '' : HIDDEN;
+ }
+ }else{
+ // closure for composites
+ if(visible){
+ me.setOpacity(0.01);
+ me.setVisible(true);
+ }
+ if (!Ext.isObject(animate)) {
+ animate = {
+ duration: 350,
+ easing: 'ease-in'
+ };
+ }
+ me.animate(Ext.applyIf({
+ callback: function() {
+ visible || me.setVisible(false).setOpacity(1);
+ },
+ to: {
+ opacity: (visible) ? 1 : 0
+ }
+ }, animate));
+ }
+ data(dom, ISVISIBLE, visible); //set logical visibility state
+ return me;
+ },
+
+
+<span id='Ext-core-Element-method-hasMetrics'> /**
+</span> * @private
+ * Determine if the Element has a relevant height and width available based
+ * upon current logical visibility state
+ */
+ hasMetrics : function(){
+ var dom = this.dom;
+ return this.isVisible() || (getVisMode(dom) == El.OFFSETS) || (getVisMode(dom) == El.VISIBILITY);
+ },
+
+<span id='Ext-core-Element-method-toggle'> /**
+</span> * Toggles the element's visibility or display, depending on visibility mode.
+ * @param {Boolean/Object} animate (optional) True for the default animation, or a standard Element animation config object
+ * @return {Ext.core.Element} this
+ */
+ toggle : function(animate){
+ var me = this;
+ me.setVisible(!me.isVisible(), me.anim(animate));
+ return me;
+ },
+
+<span id='Ext-core-Element-method-setDisplayed'> /**
+</span> * Sets the CSS display property. Uses originalDisplay if the specified value is a boolean true.
+ * @param {Mixed} value Boolean value to display the element using its default display, or a string to set the display directly.
+ * @return {Ext.core.Element} this
+ */
+ setDisplayed : function(value) {
+ if(typeof value == "boolean"){
+ value = value ? getDisplay(this.dom) : NONE;
+ }
+ this.setStyle(DISPLAY, value);
+ return this;
+ },
+
+ // private
+ fixDisplay : function(){
+ var me = this;
+ if (me.isStyle(DISPLAY, NONE)) {
+ me.setStyle(VISIBILITY, HIDDEN);
+ me.setStyle(DISPLAY, getDisplay(this.dom)); // first try reverting to default
+ if (me.isStyle(DISPLAY, NONE)) { // if that fails, default to block
+ me.setStyle(DISPLAY, "block");
+ }
+ }
+ },
+
+<span id='Ext-core-Element-method-hide'> /**
+</span> * Hide this element - Uses display mode to determine whether to use "display" or "visibility". See {@link #setVisible}.
+ * @param {Boolean/Object} animate (optional) true for the default animation or a standard Element animation config object
+ * @return {Ext.core.Element} this
+ */
+ hide : function(animate){
+ // hideMode override
+ if (typeof animate == 'string'){
+ this.setVisible(false, animate);
+ return this;
+ }
+ this.setVisible(false, this.anim(animate));
+ return this;
+ },
+
+<span id='Ext-core-Element-method-show'> /**
+</span> * Show this element - Uses display mode to determine whether to use "display" or "visibility". See {@link #setVisible}.
+ * @param {Boolean/Object} animate (optional) true for the default animation or a standard Element animation config object
+ * @return {Ext.core.Element} this
+ */
+ show : function(animate){
+ // hideMode override
+ if (typeof animate == 'string'){
+ this.setVisible(true, animate);
+ return this;
+ }
+ this.setVisible(true, this.anim(animate));
+ return this;
+ }
+ };
+}());</pre>
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+</html>
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