library/js/jquery.livequery101.js

   1 /* Copyright (c) 2007 Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
   2  * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
   3  * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
   4  *
   5  * Version: 1.0.1
   6  * Requires jQuery 1.1.3+
   7  * Docs: http://brandonaaron.net/docs/livequery/
   8  */
   9 (function($){$.extend($.fn,{livequery:function(type,fn,fn2){var self=this,q;if($.isFunction(type))fn2=fn,fn=type,type=undefined;$.each($.livequery.queries,function(i,query){if(self.selector==query.selector&&self.context==query.context&&type==query.type&&(!fn||fn.$lqguid==query.fn.$lqguid)&&(!fn2||fn2.$lqguid==query.fn2.$lqguid))return(q=query)&&false;});q=q||new $.livequery(this.selector,this.context,type,fn,fn2);q.stopped=false;$.livequery.run(q.id);return this;},expire:function(type,fn,fn2){var self=this;if($.isFunction(type))fn2=fn,fn=type,type=undefined;$.each($.livequery.queries,function(i,query){if(self.selector==query.selector&&self.context==query.context&&(!type||type==query.type)&&(!fn||fn.$lqguid==query.fn.$lqguid)&&(!fn2||fn2.$lqguid==query.fn2.$lqguid)&&!this.stopped)$.livequery.stop(query.id);});return this;}});$.livequery=function(selector,context,type,fn,fn2){this.selector=selector;this.context=context||document;this.type=type;this.fn=fn;this.fn2=fn2;this.elements=[];this.stopped=false;this.id=$.livequery.queries.push(this)-1;fn.$lqguid=fn.$lqguid||$.livequery.guid++;if(fn2)fn2.$lqguid=fn2.$lqguid||$.livequery.guid++;return this;};$.extend($.livequery.prototype,{stop:function(){var query=this;if(this.type)this.elements.unbind(this.type,this.fn);else if(this.fn2)this.elements.each(function(i,el){query.fn2.apply(el);});this.elements=[];this.stopped=true;},run:function(){if(this.stopped)return;var query=this;var oEls=this.elements,els=$(this.selector,this.context),nEls=els.not(oEls);this.elements=els;if(this.type){nEls.bind(this.type,this.fn);if(oEls.length>0)$.each(oEls,function(i,el){if($.inArray(el,els)<0)$.event.remove(el,query.type,query.fn);});}else{nEls.each(function(){query.fn.apply(this);});if(this.fn2&&oEls.length>0)$.each(oEls,function(i,el){if($.inArray(el,els)<0)query.fn2.apply(el);});}}});$.extend($.livequery,{guid:0,queries:[],queue:[],running:false,timeout:null,checkQueue:function(){if($.livequery.running&&$.livequery.queue.length){var length=$.livequery.queue.length;while(length--)$.livequery.queries[$.livequery.queue.shift()].run();}},pause:function(){$.livequery.running=false;},play:function(){$.livequery.running=true;$.livequery.run();},registerPlugin:function(){$.each(arguments,function(i,n){if(!$.fn[n])return;var old=$.fn[n];$.fn[n]=function(){var r=old.apply(this,arguments);$.livequery.run();return r;}});},run:function(id){if(id!=undefined){if($.inArray(id,$.livequery.queue)<0)$.livequery.queue.push(id);}else
  10 $.each($.livequery.queries,function(id){if($.inArray(id,$.livequery.queue)<0)$.livequery.queue.push(id);});if($.livequery.timeout)clearTimeout($.livequery.timeout);$.livequery.timeout=setTimeout($.livequery.checkQueue,20);},stop:function(id){if(id!=undefined)$.livequery.queries[id].stop();else
  11 $.each($.livequery.queries,function(id){$.livequery.queries[id].stop();});}});$.livequery.registerPlugin('append','prepend','after','before','wrap','attr','removeAttr','addClass','removeClass','toggleClass','empty','remove');$(function(){$.livequery.play();});var init=$.prototype.init;$.prototype.init=function(a,c){var r=init.apply(this,arguments);if(a&&a.selector)r.context=a.context,r.selector=a.selector;if(typeof a=='string')r.context=c||document,r.selector=a;return r;};})(jQuery);