Sigo el codigo de jquery.infinitescroll.min
Código PHP:
opts=this.options;if(!!opts.behavior&&this['_showdonemsg_'+opts.behavior]!==undefined){this['_showdonemsg_'+opts.behavior].call(this);return;}
opts.loading.msg.find('img').hide().parent().find('div').html(opts.loading.finishedMsg).animate({opacity:1},2000,function(){$(this).parent().fadeOut('normal');});opts.errorCallback.call($(opts.contentSelector)[0],'done');},_validate:function infscr_validate(opts){for(var key in opts){if(key.indexOf&&key.indexOf('Selector')>-1&&$(opts[key]).length===0){this._debug('Your '+key+' found no elements.');return false;}
return true;}},bind:function infscr_bind(){this._binding('bind');},destroy:function infscr_destroy(){this.options.state.isDestroyed=true;return this._error('destroy');},pause:function infscr_pause(){this._pausing('pause');},resume:function infscr_resume(){this._pausing('resume');},retrieve:function infscr_retrieve(pageNum){var instance=this,opts=instance.options,path=opts.path,box,frag,desturl,method,condition,pageNum=pageNum||null,getPage=(!!pageNum)?pageNum:opts.state.currPage;beginAjax=function infscr_ajax(opts){opts.state.currPage++;instance._debug('heading into ajax',path);box=$(opts.contentSelector).is('table')?$('<tbody/>'):$('<div/>');desturl=path.join(opts.state.currPage);method=(opts.dataType=='html'||opts.dataType=='json')?opts.dataType:'html+callback';if(opts.appendCallback&&opts.dataType=='html')method+='+callback'
switch(method){case'html+callback':instance._debug('Using HTML via .load() method');box.load(desturl+' '+opts.itemSelector,null,function infscr_ajax_callback(responseText){instance._loadcallback(box,responseText);});break;case'html':case'json':instance._debug('Using '+(method.toUpperCase())+' via $.ajax() method');$.ajax({url:desturl,dataType:opts.dataType,complete:function infscr_ajax_callback(jqXHR,textStatus){condition=(typeof(jqXHR.isResolved)!=='undefined')?(jqXHR.isResolved()):(textStatus==="success"||textStatus==="notmodified");(condition)?instance._loadcallback(box,jqXHR.responseText):instance._error('end');}});break;}};if(!!opts.behavior&&this['retrieve_'+opts.behavior]!==undefined){this['retrieve_'+opts.behavior].call(this,pageNum);return;}
if(opts.state.isDestroyed){this._debug('Instance is destroyed');return false;};opts.state.isDuringAjax=true;opts.loading.start.call($(opts.contentSelector)[0],opts);},scroll:function infscr_scroll(){var opts=this.options,state=opts.state;if(!!opts.behavior&&this['scroll_'+opts.behavior]!==undefined){this['scroll_'+opts.behavior].call(this);return;}
if(state.isDuringAjax||state.isInvalidPage||state.isDone||state.isDestroyed||state.isPaused)return;if(!this._nearbottom())return;this.retrieve();},toggle:function infscr_toggle(){this._pausing();},unbind:function infscr_unbind(){this._binding('unbind');},update:function infscr_options(key){if($.isPlainObject(key)){this.options=$.extend(true,this.options,key);}}}
$.fn.infinitescroll=function infscr_init(options,callback){var thisCall=typeof options;switch(thisCall){case'string':var args=Array.prototype.slice.call(arguments,1);this.each(function(){var instance=$.data(this,'infinitescroll');if(!instance){return false;}
if(!$.isFunction(instance[options])||options.charAt(0)==="_"){return false;}
instance[options].apply(instance,args);});break;case'object':this.each(function(){var instance=$.data(this,'infinitescroll');if(instance){instance.update(options);}else{$.data(this,'infinitescroll',new$.infinitescroll(options,callback,this));}});break;}
return this;};var event=$.event,scrollTimeout;event.special.smartscroll={setup:function(){$(this).bind("scroll",event.special.smartscroll.handler);},teardown:function(){$(this).unbind("scroll",event.special.smartscroll.handler);},handler:function(event,execAsap){var context=this,args=arguments;event.type="smartscroll";if(scrollTimeout){clearTimeout(scrollTimeout);}
scrollTimeout=setTimeout(function(){$.event.handle.apply(context,args);},execAsap==="execAsap"?0:100);}};$.fn.smartscroll=function(fn){return fn?this.bind("smartscroll",fn):this.trigger("smartscroll",["execAsap"]);};})(window,jQuery);