X-Git-Url: http://git.roojs.org/?a=blobdiff_plain;f=docs%2Fsrc%2FRoo_Shadow.js.html;fp=docs%2Fsrc%2FRoo_Shadow.js.html;h=6cdd18f8e7dae4e6b7b5b60acce47fc67016414c;hb=9ff8ded6bbbd258ecd646184ba26020874e2c085;hp=0000000000000000000000000000000000000000;hpb=2542b67d1a0768025056f2f330bfe50b64d1ad38;p=roojs1 diff --git a/docs/src/Roo_Shadow.js.html b/docs/src/Roo_Shadow.js.html new file mode 100644 index 0000000000..6cdd18f8e7 --- /dev/null +++ b/docs/src/Roo_Shadow.js.html @@ -0,0 +1,198 @@ +
/*
+ * Based on:
+ * Ext JS Library 1.1.1
+ * Copyright(c) 2006-2007, Ext JS, LLC.
+ *
+ * Originally Released Under LGPL - original licence link has changed is not relivant.
+ *
+ * Fork - LGPL
+ * <script type="text/javascript">
+ */
+
+
+/**
+ * @class Roo.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 Roo.Layer} class.
+ * @constructor
+ * Create a new Shadow
+ * @param {Object} config The config object
+ */
+Roo.Shadow = function(config){
+ Roo.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(Roo.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(Roo.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(Roo.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;
+};
+
+Roo.Shadow.prototype = {
+ /**
+ * @cfg {String} mode
+ * The shadow display mode. Supports the following options:<br />
+ * sides: Shadow displays on both sides and bottom only<br />
+ * frame: Shadow displays equally on all four sides<br />
+ * drop: Traditional bottom-right drop shadow (default)
+ */
+ /**
+ * @cfg {String} offset
+ * The number of pixels to offset the shadow from the element (defaults to 4)
+ */
+ offset: 4,
+
+ // private
+ defaultMode: "drop",
+
+ /**
+ * Displays the shadow under the target element
+ * @param {String/HTMLElement/Element} targetEl The id or element under which the shadow should display
+ */
+ show : function(target){
+ target = Roo.get(target);
+ if(!this.el){
+ this.el = Roo.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(Roo.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(!Roo.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";
+ Roo.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
+Roo.Shadow.Pool = function(){
+ var p = [];
+ var markup = Roo.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 = Roo.get(Roo.DomHelper.insertHtml("beforeBegin", document.body.firstChild, markup));
+ sh.autoBoxAdjust = false;
+ }
+ return sh;
+ },
+
+ push : function(sh){
+ p.push(sh);
+ }
+ };
+}();
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