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75 lines
2.1 KiB
Plaintext
75 lines
2.1 KiB
Plaintext
<public:component>
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<public:attach event="onpropertychange" onevent="propertyChanged()" />
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<public:attach event="onbeforeprint" for="window" onevent="beforePrint()" />
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<public:attach event="onafterprint" for="window" onevent="afterPrint()" />
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<script>
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/*
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* PNG Behavior
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*
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* This script was created by Erik Arvidsson (erik(at)eae.net)
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* for WebFX (http://webfx.eae.net)
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* Copyright 2002
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*
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* For usage see license at http://webfx.eae.net/license.html
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*
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* Version: 1.01a
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*
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*/
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var IS_PNG = /\.png$/i;
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var supported = /MSIE ((5\.5)|6)/.test(navigator.userAgent) && navigator.platform == 'Win32';
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var realSrc, realHeight, realWidth;
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var blankSrc = 'skins/default/images/blank.gif';
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if (supported) fixImage();
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function propertyChanged() {
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if (supported && event.propertyName == 'src') {
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var i = element.src.lastIndexOf(blankSrc);
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if (i == -1 || i != element.src.length - blankSrc.length) {
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fixImage();
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}
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}
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}
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function fixImage() {
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if (realSrc && element.src == realSrc) {
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// this is an attempt to set the image to itself!
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// pointless - leave the filter as-is, restore the blank image
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element.src = blankSrc;
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} else {
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// set the image to something different
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if (IS_PNG.test(element.src)) {
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// fixable PNG
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realSrc = element.src;
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realWidth = element.width;
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realHeight = element.height;
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element.src = blankSrc;
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element.style.width = realWidth + 'px';
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element.style.height = realHeight + 'px';
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element.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + encodeURI(realSrc) + "',sizingMethod='scale')";
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} else {
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// ordinary image - make sure the fix is removed
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if (realSrc) {
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realSrc = null;
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element.runtimeStyle.filter = '';
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}
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}
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}
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}
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function beforePrint() {
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if (realSrc) {
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supported = false;
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element.src = realSrc;
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element.runtimeStyle.filter = '';
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supported = true;
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}
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}
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function afterPrint() {
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if (realSrc) {
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var rs = realSrc;
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realSrc = null;
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element.src = rs;
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}
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}
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</script>
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</public:component>
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