png fix

Author: lancejpollard

javascripts/jquery/jquery.pngfix-min.js

@@ -0,0 +1,113 @@
+/**
+ * --------------------------------------------------------------------
+ * jQuery-Plugin "pngFix"
+ * Version: 1.2, 09.03.2009
+ * by Andreas Eberhard, andreas.eberhard@gmail.com
+ *                      http://jquery.andreaseberhard.de/
+ *
+ * Copyright (c) 2007 Andreas Eberhard
+ * Licensed under GPL (http://www.opensource.org/licenses/gpl-license.php)
+ *
+ * Changelog:
+ *    09.03.2009 Version 1.2
+ *    - Update for jQuery 1.3.x, removed @ from selectors
+ *    11.09.2007 Version 1.1
+ *    - removed noConflict
+ *    - added png-support for input type=image
+ *    - 01.08.2007 CSS background-image support extension added by Scott Jehl, scott@filamentgroup.com, http://www.filamentgroup.com
+ *    31.05.2007 initial Version 1.0
+ * --------------------------------------------------------------------
+ * @example $(function(){$(document).pngFix();});
+ * @desc Fixes all PNG's in the document on document.ready
+ *
+ * jQuery(function(){jQuery(document).pngFix();});
+ * @desc Fixes all PNG's in the document on document.ready when using noConflict
+ *
+ * @example $(function(){$('div.examples').pngFix();});
+ * @desc Fixes all PNG's within div with class examples
+ *
+ * @example $(function(){$('div.examples').pngFix( { blankgif:'ext.gif' } );});
+ * @desc Fixes all PNG's within div with class examples, provides blank gif for input with png
+ * --------------------------------------------------------------------
+ */
+
+(function($) {
+
+jQuery.fn.pngFix = function(settings) {
+
+	// Settings
+	settings = jQuery.extend({
+		blankgif: 'blank.gif'
+	}, settings);
+
+	var ie55 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 5.5") != -1);
+	var ie6 = (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) == 4 && navigator.appVersion.indexOf("MSIE 6.0") != -1);
+
+	if (jQuery.browser.msie && (ie55 || ie6)) {
+
+		//fix images with png-source
+		jQuery(this).find("img[src$=.png]").each(function() {
+
+			jQuery(this).attr('width',jQuery(this).width());
+			jQuery(this).attr('height',jQuery(this).height());
+
+			var prevStyle = '';
+			var strNewHTML = '';
+			var imgId = (jQuery(this).attr('id')) ? 'id="' + jQuery(this).attr('id') + '" ' : '';
+			var imgClass = (jQuery(this).attr('class')) ? 'class="' + jQuery(this).attr('class') + '" ' : '';
+			var imgTitle = (jQuery(this).attr('title')) ? 'title="' + jQuery(this).attr('title') + '" ' : '';
+			var imgAlt = (jQuery(this).attr('alt')) ? 'alt="' + jQuery(this).attr('alt') + '" ' : '';
+			var imgAlign = (jQuery(this).attr('align')) ? 'float:' + jQuery(this).attr('align') + ';' : '';
+			var imgHand = (jQuery(this).parent().attr('href')) ? 'cursor:hand;' : '';
+			if (this.style.border) {
+				prevStyle += 'border:'+this.style.border+';';
+				this.style.border = '';
+			}
+			if (this.style.padding) {
+				prevStyle += 'padding:'+this.style.padding+';';
+				this.style.padding = '';
+			}
+			if (this.style.margin) {
+				prevStyle += 'margin:'+this.style.margin+';';
+				this.style.margin = '';
+			}
+			var imgStyle = (this.style.cssText);
+
+			strNewHTML += '<span '+imgId+imgClass+imgTitle+imgAlt;
+			strNewHTML += 'style="position:relative;white-space:pre-line;display:inline-block;background:transparent;'+imgAlign+imgHand;
+			strNewHTML += 'width:' + jQuery(this).width() + 'px;' + 'height:' + jQuery(this).height() + 'px;';
+			strNewHTML += 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + jQuery(this).attr('src') + '\', sizingMethod=\'scale\');';
+			strNewHTML += imgStyle+'"></span>';
+			if (prevStyle != ''){
+				strNewHTML = '<span style="position:relative;display:inline-block;'+prevStyle+imgHand+'width:' + jQuery(this).width() + 'px;' + 'height:' + jQuery(this).height() + 'px;'+'">' + strNewHTML + '</span>';
+			}
+
+			jQuery(this).hide();
+			jQuery(this).after(strNewHTML);
+
+		});
+
+		// fix css background pngs
+		jQuery(this).find("*").each(function(){
+			var bgIMG = jQuery(this).css('background-image');
+			if(bgIMG.indexOf(".png")!=-1){
+				var iebg = bgIMG.split('url("')[1].split('")')[0];
+				jQuery(this).css('background-image', 'none');
+				jQuery(this).get(0).runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + iebg + "',sizingMethod='scale')";
+			}
+		});
+		
+		//fix input with png-source
+		jQuery(this).find("input[src$=.png]").each(function() {
+			var bgIMG = jQuery(this).attr('src');
+			jQuery(this).get(0).runtimeStyle.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader' + '(src=\'' + bgIMG + '\', sizingMethod=\'scale\');';
+   		jQuery(this).attr('src', settings.blankgif)
+		});
+	
+	}
+	
+	return jQuery;
+
+};
+
+})(jQuery);