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- <pre class="prettyprint lang-js"><div id="cls-Ext.Shadow"></div>/**
- * @class Ext.Shadow
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+ <pre class="prettyprint lang-js"><span id='Ext-Shadow'>/**
+</span> * @class Ext.Shadow
* Simple class that can provide a shadow effect for any element. Note that the element MUST be absolutely positioned,
* and the shadow does not provide any shimming. This should be used only in simple cases -- for more advanced
* functionality that can also provide the same shadow effect, see the {@link Ext.Layer} class.
- * @constructor
- * Create a new Shadow
- * @param {Object} config The config object
*/
-Ext.Shadow = function(config){
- Ext.apply(this, config);
- if(typeof this.mode != "string"){
- this.mode = this.defaultMode;
- }
- var o = this.offset, a = {h: 0};
- var rad = Math.floor(this.offset/2);
- switch(this.mode.toLowerCase()){ // all this hideous nonsense calculates the various offsets for shadows
- case "drop":
- a.w = 0;
- a.l = a.t = o;
- a.t -= 1;
- if(Ext.isIE){
- a.l -= this.offset + rad;
- a.t -= this.offset + rad;
- a.w -= rad;
- a.h -= rad;
- a.t += 1;
- }
- break;
- case "sides":
- a.w = (o*2);
- a.l = -o;
- a.t = o-1;
- if(Ext.isIE){
- a.l -= (this.offset - rad);
- a.t -= this.offset + rad;
- a.l += 1;
- a.w -= (this.offset - rad)*2;
- a.w -= rad + 1;
- a.h -= 1;
- }
- break;
- case "frame":
- a.w = a.h = (o*2);
- a.l = a.t = -o;
- a.t += 1;
- a.h -= 2;
- if(Ext.isIE){
- a.l -= (this.offset - rad);
- a.t -= (this.offset - rad);
- a.l += 1;
- a.w -= (this.offset + rad + 1);
- a.h -= (this.offset + rad);
- a.h += 1;
- }
- break;
- };
+Ext.define('Ext.Shadow', {
+ requires: ['Ext.ShadowPool'],
- this.adjusts = a;
-};
+<span id='Ext-Shadow-method-constructor'> /**
+</span> * Creates new Shadow.
+ * @param {Object} config (optional) Config object.
+ */
+ constructor: function(config) {
+ var me = this,
+ adjusts = {
+ h: 0
+ },
+ offset,
+ rad;
+
+ Ext.apply(me, config);
+ if (!Ext.isString(me.mode)) {
+ me.mode = me.defaultMode;
+ }
+ offset = me.offset;
+ rad = Math.floor(offset / 2);
+ me.opacity = 50;
+ switch (me.mode.toLowerCase()) {
+ // all this hideous nonsense calculates the various offsets for shadows
+ case "drop":
+ if (Ext.supports.CSS3BoxShadow) {
+ adjusts.w = adjusts.h = -offset;
+ adjusts.l = adjusts.t = offset;
+ } else {
+ adjusts.w = 0;
+ adjusts.l = adjusts.t = offset;
+ adjusts.t -= 1;
+ if (Ext.isIE) {
+ adjusts.l -= offset + rad;
+ adjusts.t -= offset + rad;
+ adjusts.w -= rad;
+ adjusts.h -= rad;
+ adjusts.t += 1;
+ }
+ }
+ break;
+ case "sides":
+ if (Ext.supports.CSS3BoxShadow) {
+ adjusts.h -= offset;
+ adjusts.t = offset;
+ adjusts.l = adjusts.w = 0;
+ } else {
+ adjusts.w = (offset * 2);
+ adjusts.l = -offset;
+ adjusts.t = offset - 1;
+ if (Ext.isIE) {
+ adjusts.l -= (offset - rad);
+ adjusts.t -= offset + rad;
+ adjusts.l += 1;
+ adjusts.w -= (offset - rad) * 2;
+ adjusts.w -= rad + 1;
+ adjusts.h -= 1;
+ }
+ }
+ break;
+ case "frame":
+ if (Ext.supports.CSS3BoxShadow) {
+ adjusts.l = adjusts.w = adjusts.t = 0;
+ } else {
+ adjusts.w = adjusts.h = (offset * 2);
+ adjusts.l = adjusts.t = -offset;
+ adjusts.t += 1;
+ adjusts.h -= 2;
+ if (Ext.isIE) {
+ adjusts.l -= (offset - rad);
+ adjusts.t -= (offset - rad);
+ adjusts.l += 1;
+ adjusts.w -= (offset + rad + 1);
+ adjusts.h -= (offset + rad);
+ adjusts.h += 1;
+ }
+ break;
+ }
+ }
+ me.adjusts = adjusts;
+ },
-Ext.Shadow.prototype = {
- <div id="cfg-Ext.Shadow-mode"></div>/**
- * @cfg {String} mode
- * The shadow display mode. Supports the following options:<div class="mdetail-params"><ul>
- * <li><b><tt>sides</tt></b> : Shadow displays on both sides and bottom only</li>
- * <li><b><tt>frame</tt></b> : Shadow displays equally on all four sides</li>
- * <li><b><tt>drop</tt></b> : Traditional bottom-right drop shadow</li>
- * </ul></div>
+<span id='Ext-Shadow-cfg-mode'> /**
+</span> * @cfg {String} mode
+ * The shadow display mode. Supports the following options:<div class="mdetail-params"><ul>
+ * <li><b><tt>sides</tt></b> : Shadow displays on both sides and bottom only</li>
+ * <li><b><tt>frame</tt></b> : Shadow displays equally on all four sides</li>
+ * <li><b><tt>drop</tt></b> : Traditional bottom-right drop shadow</li>
+ * </ul></div>
*/
- <div id="cfg-Ext.Shadow-offset"></div>/**
- * @cfg {String} offset
- * The number of pixels to offset the shadow from the element (defaults to <tt>4</tt>)
+<span id='Ext-Shadow-cfg-offset'> /**
+</span> * @cfg {Number} offset
+ * The number of pixels to offset the shadow from the element
*/
offset: 4,
// private
- defaultMode: "drop",
+ defaultMode: "drop",
- <div id="method-Ext.Shadow-show"></div>/**
- * Displays the shadow under the target element
- * @param {Mixed} targetEl The id or element under which the shadow should display
+<span id='Ext-Shadow-method-show'> /**
+</span> * Displays the shadow under the target element
+ * @param {String/HTMLElement/Ext.Element} targetEl The id or element under which the shadow should display
*/
- show : function(target){
+ show: function(target) {
+ var me = this,
+ index;
+
target = Ext.get(target);
- if(!this.el){
- this.el = Ext.Shadow.Pool.pull();
- if(this.el.dom.nextSibling != target.dom){
- this.el.insertBefore(target);
+ if (!me.el) {
+ me.el = Ext.ShadowPool.pull();
+ if (me.el.dom.nextSibling != target.dom) {
+ me.el.insertBefore(target);
}
}
- this.el.setStyle("z-index", this.zIndex || parseInt(target.getStyle("z-index"), 10)-1);
- if(Ext.isIE){
- this.el.dom.style.filter="progid:DXImageTransform.Microsoft.alpha(opacity=50) progid:DXImageTransform.Microsoft.Blur(pixelradius="+(this.offset)+")";
+ index = (parseInt(target.getStyle("z-index"), 10) - 1) || 0;
+ me.el.setStyle("z-index", me.zIndex || index);
+ if (Ext.isIE && !Ext.supports.CSS3BoxShadow) {
+ me.el.dom.style.filter = "progid:DXImageTransform.Microsoft.alpha(opacity=" + me.opacity + ") progid:DXImageTransform.Microsoft.Blur(pixelradius=" + (me.offset) + ")";
}
- this.realign(
+ me.realign(
target.getLeft(true),
target.getTop(true),
- target.getWidth(),
- target.getHeight()
+ target.dom.offsetWidth,
+ target.dom.offsetHeight
);
- this.el.dom.style.display = "block";
+ me.el.dom.style.display = "block";
},
- <div id="method-Ext.Shadow-isVisible"></div>/**
- * Returns true if the shadow is visible, else false
+<span id='Ext-Shadow-method-isVisible'> /**
+</span> * Returns true if the shadow is visible, else false
*/
- isVisible : function(){
- return this.el ? true : false;
+ isVisible: function() {
+ return this.el ? true: false;
},
- <div id="method-Ext.Shadow-realign"></div>/**
- * Direct alignment when values are already available. Show must be called at least once before
+<span id='Ext-Shadow-method-realign'> /**
+</span> * Direct alignment when values are already available. Show must be called at least once before
* calling this method to ensure it is initialized.
* @param {Number} left The target element left position
* @param {Number} top The target element top position
* @param {Number} width The target element width
* @param {Number} height The target element height
*/
- realign : function(l, t, w, h){
- if(!this.el){
+ realign: function(l, t, targetWidth, targetHeight) {
+ if (!this.el) {
return;
}
- var a = this.adjusts, d = this.el.dom, s = d.style;
- var iea = 0;
- s.left = (l+a.l)+"px";
- s.top = (t+a.t)+"px";
- var sw = (w+a.w), sh = (h+a.h), sws = sw +"px", shs = sh + "px";
- if(s.width != sws || s.height != shs){
- s.width = sws;
- s.height = shs;
- if(!Ext.isIE){
- var cn = d.childNodes;
- var sww = Math.max(0, (sw-12))+"px";
- cn[0].childNodes[1].style.width = sww;
- cn[1].childNodes[1].style.width = sww;
- cn[2].childNodes[1].style.width = sww;
- cn[1].style.height = Math.max(0, (sh-12))+"px";
+ var adjusts = this.adjusts,
+ d = this.el.dom,
+ targetStyle = d.style,
+ shadowWidth,
+ shadowHeight,
+ cn,
+ sww,
+ sws,
+ shs;
+
+ targetStyle.left = (l + adjusts.l) + "px";
+ targetStyle.top = (t + adjusts.t) + "px";
+ shadowWidth = Math.max(targetWidth + adjusts.w, 0);
+ shadowHeight = Math.max(targetHeight + adjusts.h, 0);
+ sws = shadowWidth + "px";
+ shs = shadowHeight + "px";
+ if (targetStyle.width != sws || targetStyle.height != shs) {
+ targetStyle.width = sws;
+ targetStyle.height = shs;
+ if (Ext.supports.CSS3BoxShadow) {
+ targetStyle.boxShadow = '0 0 ' + this.offset + 'px 0 #888';
+ } else {
+
+ // Adjust the 9 point framed element to poke out on the required sides
+ if (!Ext.isIE) {
+ cn = d.childNodes;
+ sww = Math.max(0, (shadowWidth - 12)) + "px";
+ cn[0].childNodes[1].style.width = sww;
+ cn[1].childNodes[1].style.width = sww;
+ cn[2].childNodes[1].style.width = sww;
+ cn[1].style.height = Math.max(0, (shadowHeight - 12)) + "px";
+ }
}
}
},
- <div id="method-Ext.Shadow-hide"></div>/**
- * Hides this shadow
+<span id='Ext-Shadow-method-hide'> /**
+</span> * Hides this shadow
*/
- hide : function(){
- if(this.el){
- this.el.dom.style.display = "none";
- Ext.Shadow.Pool.push(this.el);
- delete this.el;
+ hide: function() {
+ var me = this;
+
+ if (me.el) {
+ me.el.dom.style.display = "none";
+ Ext.ShadowPool.push(me.el);
+ delete me.el;
}
},
- <div id="method-Ext.Shadow-setZIndex"></div>/**
- * Adjust the z-index of this shadow
+<span id='Ext-Shadow-method-setZIndex'> /**
+</span> * Adjust the z-index of this shadow
* @param {Number} zindex The new z-index
*/
- setZIndex : function(z){
+ setZIndex: function(z) {
this.zIndex = z;
- if(this.el){
- this.el.setStyle("z-index", z);
+ if (this.el) {
+ this.el.setStyle("z-index", z);
}
- }
-};
-
-// Private utility class that manages the internal Shadow cache
-Ext.Shadow.Pool = function(){
- var p = [];
- var markup = Ext.isIE ?
- '<div class="x-ie-shadow"></div>' :
- '<div class="x-shadow"><div class="xst"><div class="xstl"></div><div class="xstc"></div><div class="xstr"></div></div><div class="xsc"><div class="xsml"></div><div class="xsmc"></div><div class="xsmr"></div></div><div class="xsb"><div class="xsbl"></div><div class="xsbc"></div><div class="xsbr"></div></div></div>';
- return {
- pull : function(){
- var sh = p.shift();
- if(!sh){
- sh = Ext.get(Ext.DomHelper.insertHtml("beforeBegin", document.body.firstChild, markup));
- sh.autoBoxAdjust = false;
+ },
+
+<span id='Ext-Shadow-method-setOpacity'> /**
+</span> * Sets the opacity of the shadow
+ * @param {Number} opacity The opacity
+ */
+ setOpacity: function(opacity){
+ if (this.el) {
+ if (Ext.isIE && !Ext.supports.CSS3BoxShadow) {
+ opacity = Math.floor(opacity * 100 / 2) / 100;
}
- return sh;
- },
-
- push : function(sh){
- p.push(sh);
+ this.opacity = opacity;
+ this.el.setOpacity(opacity);
}
- };
-}();</pre> \r
-</body>\r
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\ No newline at end of file
+ }
+});</pre>
+</body>
+</html>
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