Simplify sorting of history table

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 120 insertions, 0 deletions

diff --git a/data/js/jquery.metadata.js b/data/js/jquery.metadata.js
new file mode 100644
index 000000000..eb98e80ad
--- /dev/null
+++ b/data/js/jquery.metadata.js
@@ -0,0 +1,120 @@
+/*
+ * Metadata - jQuery plugin for parsing metadata from elements
+ *
+ * Copyright (c) 2006 John Resig, Yehuda Katz, Jörn Zaefferer, Paul McLanahan
+ *
+ * Dual licensed under the MIT and GPL licenses:
+ *   http://www.opensource.org/licenses/mit-license.php
+ *   http://www.gnu.org/licenses/gpl.html
+ *
+ */
+
+/**
+ * Sets the type of metadata to use. Metadata is encoded in JSON, and each property
+ * in the JSON will become a property of the element itself.
+ *
+ * There are three supported types of metadata storage:
+ *
+ *   attr:  Inside an attribute. The name parameter indicates *which* attribute.
+ *          
+ *   class: Inside the class attribute, wrapped in curly braces: { }
+ *   
+ *   elem:  Inside a child element (e.g. a script tag). The
+ *          name parameter indicates *which* element.
+ *          
+ * The metadata for an element is loaded the first time the element is accessed via jQuery.
+ *
+ * As a result, you can define the metadata type, use $(expr) to load the metadata into the elements
+ * matched by expr, then redefine the metadata type and run another $(expr) for other elements.
+ * 
+ * @name $.metadata.setType
+ *
+ * @example <p id="one" class="some_class {item_id: 1, item_label: 'Label'}">This is a p</p>
+ * @before $.metadata.setType("class")
+ * @after $("#one").metadata().item_id == 1; $("#one").metadata().item_label == "Label"
+ * @desc Reads metadata from the class attribute
+ * 
+ * @example <p id="one" class="some_class" data="{item_id: 1, item_label: 'Label'}">This is a p</p>
+ * @before $.metadata.setType("attr", "data")
+ * @after $("#one").metadata().item_id == 1; $("#one").metadata().item_label == "Label"
+ * @desc Reads metadata from a "data" attribute
+ * 
+ * @example <p id="one" class="some_class"><script>{item_id: 1, item_label: 'Label'}</script>This is a p</p>
+ * @before $.metadata.setType("elem", "script")
+ * @after $("#one").metadata().item_id == 1; $("#one").metadata().item_label == "Label"
+ * @desc Reads metadata from a nested script element
+ * 
+ * @param String type The encoding type
+ * @param String name The name of the attribute to be used to get metadata (optional)
+ * @cat Plugins/Metadata
+ * @descr Sets the type of encoding to be used when loading metadata for the first time
+ * @type undefined
+ * @see metadata()
+ */
+
+(function($) {
+
+$.extend({
+	metadata : {
+		defaults : {
+			type: 'class',
+			name: 'metadata',
+			cre: /({.*})/,
+			single: 'metadata'
+		},
+		setType: function( type, name ){
+			this.defaults.type = type;
+			this.defaults.name = name;
+		},
+		get: function( elem, opts ){
+			var settings = $.extend({},this.defaults,opts);
+			// check for empty string in single property
+			if ( !settings.single.length ) settings.single = 'metadata';
+			
+			var data = $.data(elem, settings.single);
+			// returned cached data if it already exists
+			if ( data ) return data;
+			
+			data = "{}";
+			
+			if ( settings.type == "class" ) {
+				var m = settings.cre.exec( elem.className );
+				if ( m )
+					data = m[1];
+			} else if ( settings.type == "elem" ) {
+				if( !elem.getElementsByTagName )
+					return undefined;
+				var e = elem.getElementsByTagName(settings.name);
+				if ( e.length )
+					data = $.trim(e[0].innerHTML);
+			} else if ( elem.getAttribute != undefined ) {
+				var attr = elem.getAttribute( settings.name );
+				if ( attr )
+					data = attr;
+			}
+			
+			if ( data.indexOf( '{' ) <0 )
+			data = "{" + data + "}";
+			
+			data = eval("(" + data + ")");
+			
+			$.data( elem, settings.single, data );
+			return data;
+		}
+	}
+});
+
+/**
+ * Returns the metadata object for the first member of the jQuery object.
+ *
+ * @name metadata
+ * @descr Returns element's metadata object
+ * @param Object opts An object contianing settings to override the defaults
+ * @type jQuery
+ * @cat Plugins/Metadata
+ */
+$.fn.metadata = function( opts ){
+	return $.metadata.get( this[0], opts );
+};
+
+})(jQuery);
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