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/*
Copyright (c) 2004-2006, The Dojo Foundation
All Rights Reserved.
Licensed under the Academic Free License version 2.1 or above OR the
modified BSD license. For more information on Dojo licensing, see:
http://dojotoolkit.org/community/licensing.shtml
*/
dojo.provide("dojo.lfx.shadow");
dojo.require("dojo.lang.common");
dojo.require("dojo.uri.Uri");
dojo.lfx.shadow = function (node) {
this.shadowPng = dojo.uri.moduleUri("dojo.html", "images/shadow");
this.shadowThickness = 8;
this.shadowOffset = 15;
this.init(node);
};
dojo.extend(dojo.lfx.shadow, {init:function (node) {
this.node = node;
this.pieces = {};
var x1 = -1 * this.shadowThickness;
var y0 = this.shadowOffset;
var y1 = this.shadowOffset + this.shadowThickness;
this._makePiece("tl", "top", y0, "left", x1);
this._makePiece("l", "top", y1, "left", x1, "scale");
this._makePiece("tr", "top", y0, "left", 0);
this._makePiece("r", "top", y1, "left", 0, "scale");
this._makePiece("bl", "top", 0, "left", x1);
this._makePiece("b", "top", 0, "left", 0, "crop");
this._makePiece("br", "top", 0, "left", 0);
}, _makePiece:function (name, vertAttach, vertCoord, horzAttach, horzCoord, sizing) {
var img;
var url = this.shadowPng + name.toUpperCase() + ".png";
if (dojo.render.html.ie55 || dojo.render.html.ie60) {
img = dojo.doc().createElement("div");
img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + url + "'" + (sizing ? ", sizingMethod='" + sizing + "'" : "") + ")";
} else {
img = dojo.doc().createElement("img");
img.src = url;
}
img.style.position = "absolute";
img.style[vertAttach] = vertCoord + "px";
img.style[horzAttach] = horzCoord + "px";
img.style.width = this.shadowThickness + "px";
img.style.height = this.shadowThickness + "px";
this.pieces[name] = img;
this.node.appendChild(img);
}, size:function (width, height) {
var sideHeight = height - (this.shadowOffset + this.shadowThickness + 1);
if (sideHeight < 0) {
sideHeight = 0;
}
if (height < 1) {
height = 1;
}
if (width < 1) {
width = 1;
}
with (this.pieces) {
l.style.height = sideHeight + "px";
r.style.height = sideHeight + "px";
b.style.width = (width - 1) + "px";
bl.style.top = (height - 1) + "px";
b.style.top = (height - 1) + "px";
br.style.top = (height - 1) + "px";
tr.style.left = (width - 1) + "px";
r.style.left = (width - 1) + "px";
br.style.left = (width - 1) + "px";
}
}});