13 lines
6.1 KiB
JavaScript
13 lines
6.1 KiB
JavaScript
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/**
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* jquery.scrollable 1.0.2. Put your HTML scroll.
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*
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* Copyright (c) 2009 Tero Piirainen
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* http://flowplayer.org/tools/scrollable.html
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*
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* Dual licensed under MIT and GPL 2+ licenses
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* http://www.opensource.org/licenses
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*
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* Launch : March 2008
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* Version : 1.0.2 - Tue Feb 24 2009 10:52:04 GMT-0000 (GMT+00:00)
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*/
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(function($){function fireEvent(opts,name,self,arg){var fn=opts[name];if($.isFunction(fn)){try{return fn.call(self,arg);}catch(error){if(opts.alert){alert("Error calling scrollable."+name+": "+error);}else{throw error;}return false;}}return true;}var current=null;function Scrollable(root,conf){var self=this;if(!current){current=self;}var horizontal=!conf.vertical;var wrap=$(conf.items,root);var index=0;var navi=root.siblings(conf.navi).eq(0);var prev=root.siblings(conf.prev).eq(0);var next=root.siblings(conf.next).eq(0);var prevPage=root.siblings(conf.prevPage).eq(0);var nextPage=root.siblings(conf.nextPage).eq(0);$.extend(self,{getVersion:function(){return[1,0,1];},getIndex:function(){return index;},getConf:function(){return conf;},getSize:function(){return self.getItems().size();},getPageAmount:function(){return Math.ceil(this.getSize()/conf.size);},getPageIndex:function(){return Math.ceil(index/conf.size);},getRoot:function(){return root;},getItemWrap:function(){return wrap;},getItems:function(){return wrap.children();},seekTo:function(i,time,fn){time=time||conf.speed;if($.isFunction(time)){fn=time;time=conf.speed;}if(i<0){i=0;}if(i>self.getSize()-conf.size){return self;}var item=self.getItems().eq(i);if(!item.length){return self;}if(fireEvent(conf,"onBeforeSeek",self,i)===false){return self;}if(horizontal){var left=-(item.outerWidth(true)*i);wrap.animate({left:left},time,conf.easing,fn?function(){fn.call(self);}:null);}else{var top=-(item.outerHeight(true)*i);wrap.animate({top:top},time,conf.easing,fn?function(){fn.call(self);}:null);}if(navi.length){var klass=conf.activeClass;var page=Math.ceil(i/conf.size);page=Math.min(page,navi.children().length-1);navi.children().removeClass(klass).eq(page).addClass(klass);}if(i===0){prev.add(prevPage).addClass(conf.disabledClass);}else{prev.add(prevPage).removeClass(conf.disabledClass);}if(i>=self.getSize()-conf.size){next.add(nextPage).addClass(conf.disabledClass);}else{next.add(nextPage).removeClass(conf.disabledClass);}current=self;index=i;fireEvent(conf,"onSeek",self,i);return self;},move:function(offset,time,fn){var to=index+offset;if(conf.loop&&to>(self.getSize()-conf.size)){to=0;}return this.seekTo(to,time,fn);},next:function(time,fn){return this.move(1,time,fn);},prev:function(time,fn){return this.move(-1,time,fn);},movePage:function(offset,time,fn){return this.move(conf.size*offset,time,fn);},setPage:function(page,time,fn){var size=conf.size;var index=size*page;var lastPage=index+size>=this.getSize();if(lastPage){index=this.getSize()-conf.size;}return this.seekTo(index,time,fn);},prevPage:function(time,fn){return this.setPage(this.getPageIndex()-1,time,fn);},nextPage:function(time,fn){return this.setPage(this.getPageIndex()+1,time,fn);},begin:function(time,fn){return this.seekTo(0,time,fn);},end:function(time,fn){return this.seekTo(this.getSize()-conf.size,time,fn);},reload:function(){return load();},click:function(index,time,fn){var item=self.getItems().eq(index);var klass=conf.activeClass;if(!item.hasClass(klass)&&(index>=0||index<this.getSize())){self.getItems().removeClass(klass);item.addClass(klass);var delta=Math.floor(conf.size/2);var to=index-delta;if(to>self.getSize()-conf.size){to--;}if(to!==index){return this.seekTo(to,time,fn);}}return self;}});if($.isFunction($.fn.mousewheel)){root.bind("mousewheel.scrollable",function(e,delta){var step=$.browser.opera?1:-1;self.move(delta>0?step:-step,50);return false;});}prev.addClass(conf.disabledClass).click(function(){self.prev();});next.click(function(){self.next();});nextPage.click(function(){self.nextPage();});prevPage.addClass(conf.disabledClass).click(function(){self.prevPage();});if(conf.keyboard){$(window).unbind("keypress.scrollable").bind("keypress.scrollable",function(evt){var el=current;if(!el){return;}if(horizontal&&(evt.keyCode==37||evt.keyCode==39)){el.move(evt.keyCode==37?-1:1);return evt.preventDefault();}if(!horizontal&&(evt.keyCode==38||evt.keyCode==40)){el.move(evt.keyCode==38?-1:1);return evt.preventDefault();}return true;});}function load(){navi.each(function(){var nav=$(this);if(nav.is(":empty")
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