+++ /dev/null
-/*!
- * Ext JS Library 3.1.0
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
-/**
- * @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;
- };
-
- this.adjusts = a;
-};
-
-Ext.Shadow.prototype = {
- /**
- * @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>
- */
- /**
- * @cfg {String} offset
- * The number of pixels to offset the shadow from the element (defaults to <tt>4</tt>)
- */
- offset: 4,
-
- // private
- defaultMode: "drop",
-
- /**
- * Displays the shadow under the target element
- * @param {Mixed} targetEl The id or element under which the shadow should display
- */
- show : function(target){
- target = Ext.get(target);
- if(!this.el){
- this.el = Ext.Shadow.Pool.pull();
- if(this.el.dom.nextSibling != target.dom){
- this.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)+")";
- }
- this.realign(
- target.getLeft(true),
- target.getTop(true),
- target.getWidth(),
- target.getHeight()
- );
- this.el.dom.style.display = "block";
- },
-
- /**
- * Returns true if the shadow is visible, else false
- */
- isVisible : function(){
- return this.el ? true : false;
- },
-
- /**
- * 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){
- 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";
- }
- }
- },
-
- /**
- * Hides this shadow
- */
- hide : function(){
- if(this.el){
- this.el.dom.style.display = "none";
- Ext.Shadow.Pool.push(this.el);
- delete this.el;
- }
- },
-
- /**
- * Adjust the z-index of this shadow
- * @param {Number} zindex The new z-index
- */
- setZIndex : function(z){
- this.zIndex = 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;
- }
- return sh;
- },
-
- push : function(sh){
- p.push(sh);
- }
- };
-}();
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git.ithinksw.org / extjs.git / blobdiff