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编辑当前文件:/home/prismawe/www/prisma/js/jquery.hoverdir.js
(function($,undefined){$.HoverDir=function(options,element){this.$el=$(element);this._init(options);};$.HoverDir.defaults={hoverDelay:0,reverse:false};$.HoverDir.prototype={_init:function(options){this.options=$.extend(true,{},$.HoverDir.defaults,options);this._loadEvents();},_loadEvents:function(){var _self=this;this.$el.on('mouseenter.hoverdir, mouseleave.hoverdir',function(event){var $el=$(this),evType=event.type,$hoverElem=$el.find('div'),direction=_self._getDir($el,{x:event.pageX,y:event.pageY}),hoverClasses=_self._getClasses(direction);$hoverElem.removeClass();if(evType==='mouseenter'){$hoverElem.hide().addClass(hoverClasses.from);clearTimeout(_self.tmhover);_self.tmhover=setTimeout(function(){$hoverElem.show(0,function(){$(this).addClass('da-animate').addClass(hoverClasses.to);});},_self.options.hoverDelay);} else{$hoverElem.addClass('da-animate');clearTimeout(_self.tmhover);$hoverElem.addClass(hoverClasses.from);}});},_getDir:function($el,coordinates){var w=$el.width(),h=$el.height(),x=(coordinates.x-$el.offset().left-(w/2))*(w>h?(h/w):1),y=(coordinates.y-$el.offset().top-(h/2))*(h>w?(w/h):1),direction=Math.round((((Math.atan2(y,x)*(180/Math.PI))+180)/90)+3)%4;return direction;},_getClasses:function(direction){var fromClass,toClass;switch(direction){case 0:(!this.options.reverse)?fromClass='da-slideFromTop':fromClass='da-slideFromBottom';toClass='da-slideTop';break;case 1:(!this.options.reverse)?fromClass='da-slideFromRight':fromClass='da-slideFromLeft';toClass='da-slideLeft';break;case 2:(!this.options.reverse)?fromClass='da-slideFromBottom':fromClass='da-slideFromTop';toClass='da-slideTop';break;case 3:(!this.options.reverse)?fromClass='da-slideFromLeft':fromClass='da-slideFromRight';toClass='da-slideLeft';break;};return{from:fromClass,to:toClass};}};var logError=function(message){if(this.console){console.error(message);}};$.fn.hoverdir=function(options){if(typeof options==='string'){var args=Array.prototype.slice.call(arguments,1);this.each(function(){var instance=$.data(this,'hoverdir');if(!instance){logError("cannot call methods on hoverdir prior to initialization; "+"attempted to call method '"+options+"'");return;} if(!$.isFunction(instance[options])||options.charAt(0)==="_"){logError("no such method '"+options+"' for hoverdir instance");return;} instance[options].apply(instance,args);});} else{this.each(function(){var instance=$.data(this,'hoverdir');if(!instance){$.data(this,'hoverdir',new $.HoverDir(options,this));}});} return this;};})(jQuery);