/*
 * truncatable 1.2 - jQuery lightwieght text truncation plugin
 *
 * Copyright (c) 2009 Philip Beel (http://www.theodin.co.uk/)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) 
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * Revision: $Id: jquery.truncatable.js 2009-08-20 $
 *
 */

(function($){
	$.fn.truncatable=function(options){
		var defaults={limit:100,more:'...',less:false,hideText:'[read less]'};
		var options=$.extend(defaults,options);
		return this.each(function(num){
			var stringLength=$(this).html().length;
			if(stringLength>defaults.limit){
				var splitText=$(this).html().substr(defaults.limit);
				var splitPoint=splitText.substr(0,1);
				var whiteSpace=new RegExp(/^\s+$/);
				for(var newLimit=defaults.limit;newLimit<stringLength;newLimit++){
					var newSplitText=$(this).html().substr(0,newLimit);
					var newHiddenText=$(this).html().substr(newLimit);
					var newSplitPoint=newSplitText.slice(-1);
					if(whiteSpace.test(newSplitPoint)){
						var hiddenText='<span class="hiddenText_'+num+' truncatable_hide" style="display:none">'+newHiddenText+'</span>';
						var setNewLimit=(newLimit-1);
						var trunkLink=$('<a>').attr('class','more_'+num+'');
						$(this).html($(this).html().substr(0,setNewLimit)).append('<a class="more_'+num+' truncatable_show" href="#">'+defaults.more+'<a/> '+hiddenText);
						$('a.more_'+num).bind('click',function(){
							$('span.hiddenText_'+num).show();
							$('a.more_'+num).hide();
							if(defaults.less==true){
								$('span.hiddenText_'+num).append('<a class="hide_'+num+' truncatable_empty" href="" title="'+defaults.hideText+'">'+defaults.hideText+'</a>');
								$('a.hide_'+num).bind('click',function(){
									$('.hiddenText_'+num).hide();
									$('.more_'+num).show();
									$('.hide_'+num).empty();
									return false;
									})
							}
						});
						newLimit=stringLength;
					}
				}
			}
		})
	}
})
(jQuery);