https://radiomuseet.com/site_management/scripts/jquery.pngFix.js

1/**
2 * --------------------------------------------------------------------
3 * jQuery-Plugin "pngFix"
4 * Version: 1.2, 09.03.2009
5 * by Andreas Eberhard, [email protected]
6 *                      http://jquery.andreaseberhard.de/
7 *
8 * Copyright (c) 2007 Andreas Eberhard
9 * Licensed under GPL (http://www.opensource.org/licenses/gpl-license.php)
10 *
11 * Changelog:
12 *    09.03.2009 Version 1.2
13 *    - Update for jQuery 1.3.x, removed @ from selectors
14 *    11.09.2007 Version 1.1
15 *    - removed noConflict
16 *    - added png-support for input type=image
17 *    - 01.08.2007 CSS background-image support extension added by Scott Jehl, [email protected], http://www.filamentgroup.com
18 *    31.05.2007 initial Version 1.0
19 * --------------------------------------------------------------------
20 * @example $(function(){$(document).pngFix();});
21 * @desc Fixes all PNG's in the document on document.ready
22 *
23 * jQuery(function(){jQuery(document).pngFix();});
24 * @desc Fixes all PNG's in the document on document.ready when using noConflict
25 *
26 * @example $(function(){$('div.examples').pngFix();});
27 * @desc Fixes all PNG's within div with class examples
28 *
29 * @example $(function(){$('div.examples').pngFix( { blankgif:'ext.gif' } );});
30 * @desc Fixes all PNG's within div with class examples, provides blank gif for input with png
31 * --------------------------------------------------------------------
32 */
33
34(function($) {
35
36jQuery.fn.pngFix = function(settings) {
37
38	// Settings
39	settings = jQuery.extend({
40		blankgif: 'blank.gif'
41	}, settings);
42
43	var ie55 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 5.5") != -1);
44	var ie6 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 6.0") != -1);
45
46	if (jQuery.browser.msie && (ie55 || ie6)) {
47
48		//fix images with png-source
49		jQuery(this).find("img[src$=.png]").each(function() {
50
51			jQuery(this).attr('width',jQuery(this).width());
52			jQuery(this).attr('height',jQuery(this).height());
53
54			var prevStyle = '';
55			var strNewHTML = '';
56			var imgId = (jQuery(this).attr('id')) ? 'id="' + jQuery(this).attr('id') + '" ' : '';
57			var imgClass = (jQuery(this).attr('class')) ? 'class="' + jQuery(this).attr('class') + '" ' : '';
58			var imgTitle = (jQuery(this).attr('title')) ? 'title="' + jQuery(this).attr('title') + '" ' : '';
59			var imgAlt = (jQuery(this).attr('alt')) ? 'alt="' + jQuery(this).attr('alt') + '" ' : '';
60			var imgAlign = (jQuery(this).attr('align')) ? 'float:' + jQuery(this).attr('align') + ';' : '';
61			var imgHand = (jQuery(this).parent().attr('href')) ? 'cursor:hand;' : '';
62			if (this.style.border) {
63				prevStyle += 'border:'+this.style.border+';';
64				this.style.border = '';
65			}
66			if (this.style.padding) {
67				prevStyle += 'padding:'+this.style.padding+';';
68				this.style.padding = '';
69			}
70			if (this.style.margin) {
71				prevStyle += 'margin:'+this.style.margin+';';
72				this.style.margin = '';
73			}
74			var imgStyle = (this.style.cssText);
75
76			strNewHTML += '<span '+imgId+imgClass+imgTitle+imgAlt;
77			strNewHTML += 'style="position:relative;white-space:pre-line;display:inline-block;background:transparent;'+imgAlign+imgHand;
78			strNewHTML += 'width:' + jQuery(this).width() + 'px;' + 'height:' + jQuery(this).height() + 'px;';
79			strNewHTML += 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + jQuery(this).attr('src') + '\', sizingMethod=\'scale\');';
80			strNewHTML += imgStyle+'"></span>';
81			if (prevStyle != ''){
82				strNewHTML = '<span style="position:relative;display:inline-block;'+prevStyle+imgHand+'width:' + jQuery(this).width() + 'px;' + 'height:' + jQuery(this).height() + 'px;'+'">' + strNewHTML + '</span>';
83			}
84
85			jQuery(this).hide();
86			jQuery(this).after(strNewHTML);
87
88		});
89
90		// fix css background pngs
91		jQuery(this).find("*").each(function(){
92			var bgIMG = jQuery(this).css('background-image');
93			if(bgIMG.indexOf(".png")!=-1){
94				var iebg = bgIMG.split('url("')[1].split('")')[0];
95				jQuery(this).css('background-image', 'none');
96				jQuery(this).get(0).runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + iebg + "',sizingMethod='scale')";
97			}
98		});
99		
100		//fix input with png-source
101		jQuery(this).find("input[src$=.png]").each(function() {
102			var bgIMG = jQuery(this).attr('src');
103			jQuery(this).get(0).runtimeStyle.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(sr

103c=\'' + bgIMG + '\', sizingMethod=\'scale\');';
104   		jQuery(this).attr('src', settings.blankgif)
105		});
106	
107	}
108	
109	return jQuery;
110
111};
112
113})(jQuery);