"

From 2014.igem.org

(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);