104 lines
3.1 KiB
Plaintext
104 lines
3.1 KiB
Plaintext
<public:component>
|
|
<public:attach event="onpropertychange" onevent="iePNGFix(0)" />
|
|
|
|
<script type="text/javascript">
|
|
|
|
// IE5.5+ PNG Alpha Fix v1.0
|
|
// (c) 2004-2008 Angus Turnbull http://www.twinhelix.com
|
|
|
|
// This is licensed under the GNU LGPL, version 2.1 or later.
|
|
// For details, see: http://creativecommons.org/licenses/LGPL/2.1/
|
|
|
|
|
|
// This must be a path to a blank image, relative to the HTML document(s).
|
|
// In production use I suggest '/images/blank.gif' or similar. That's all!
|
|
if (typeof blankImg == 'undefined') var blankImg = 'blank.gif';
|
|
|
|
|
|
|
|
function filt(s, b)
|
|
{
|
|
var f = 'DXImageTransform.Microsoft.AlphaImageLoader';
|
|
var sM = (currentStyle.backgroundRepeat == 'no-repeat') ? 'crop' : 'scale';
|
|
s = (s || '').replace(/\(/g, '%28').replace(/\)/g, '%29');
|
|
|
|
if (s && !(/IMG|INPUT/.test(nodeName) && !b) &&
|
|
currentStyle.width == 'auto' && currentStyle.height == 'auto')
|
|
{
|
|
style.width = offsetWidth + 'px';
|
|
style.height = clientHeight + 'px';
|
|
if (currentStyle.display == 'inline') style.display = 'inline-block';
|
|
}
|
|
|
|
if (filters[f])
|
|
{
|
|
filters[f].enabled = s ? true : false;
|
|
if (s) with (filters[f]) { src = s }
|
|
}
|
|
else if (s) style.filter = 'progid:'+f+'(src="'+s+'",sizingMethod="' + sM + '")';
|
|
}
|
|
|
|
function iePNGFix(init)
|
|
{
|
|
if (!/MSIE (5\.5|6)/.test(navigator.userAgent) || typeof filters == 'unknown') return;
|
|
var evt = init ? { propertyName: 'src,background' } : event;
|
|
var isSrc = /src/.test(evt.propertyName);
|
|
var isBg = /background/.test(evt.propertyName);
|
|
var isClass = !init &&
|
|
((this.className != this._png_class) && (this.className || this._png_class));
|
|
if (!(isSrc || isBg || isClass)) return;
|
|
this._png_class = this.className;
|
|
var blank = blankImg.match(/([^\/]+)$/)[1];
|
|
|
|
// Required for Whatever:hover support - erase any set BG if className changes.
|
|
if (isClass && ((style.backgroundImage.indexOf('url(') == -1) ||
|
|
(style.backgroundImage.indexOf(blank) > -1)))
|
|
{
|
|
setTimeout(function() { this.style.backgroundImage = '' }, 0);
|
|
return;
|
|
}
|
|
|
|
if (isSrc && this.src && /IMG|INPUT/.test(nodeName))
|
|
{
|
|
if ((/\.png/i).test(src))
|
|
{
|
|
filt(src, 1);
|
|
src = blankImg;
|
|
}
|
|
else if (src.indexOf(blank) == -1) filt();
|
|
}
|
|
|
|
var bgSrc = currentStyle.backgroundImage || style.backgroundImage;
|
|
if ((bgSrc + this.src).indexOf(blank) == -1)
|
|
{
|
|
var bgPNG = bgSrc.match(/^url[("']+(.*\.png[^\)"']*)[\)"']+[^\)]*$/i);
|
|
|
|
if (bgPNG)
|
|
{
|
|
style.backgroundImage = 'url("' + blankImg + '")';
|
|
filt(bgPNG[1], 0);
|
|
// Unclickable elements inside PNG backgrounds.
|
|
var tags = ['a', 'input', 'select', 'textarea', 'iframe', 'object'],
|
|
t = tags.length, tFix = [];
|
|
while (t--)
|
|
{
|
|
var elms = all.tags(tags[t]), e = elms.length;
|
|
while (e--) tFix.push(elms[e]);
|
|
}
|
|
var t = tFix.length;
|
|
if (t && (/relative|absolute/i).test(currentStyle.position))
|
|
alert('IEPNGFix: Children of positioned element are unclickable:\n\n<' +
|
|
nodeName + (id && ' id=' + id) + '>');
|
|
while (t--)
|
|
if (!(/relative|absolute/i).test(tFix[t].currentStyle.position))
|
|
tFix[t].style.position = 'relative';
|
|
}
|
|
else filt();
|
|
}
|
|
}
|
|
|
|
iePNGFix(1);
|
|
|
|
</script>
|
|
</public:component>
|