/*!
Zoom 1.7.14
license: MIT
http://www.jacklmoore.com/zoom
*/
(function($){var defaults={url:false,callback:false,target:false,duration:120,on:"mouseover",touch:true,onZoomIn:false,onZoomOut:false,magnify:1};$.zoom=function(target,source,img,magnify){var targetHeight,targetWidth,sourceHeight,sourceWidth,xRatio,yRatio,offset,$target=$(target),position=$target.css("position"),$source=$(source);$target.css("position",/(absolute|fixed)/.test(position)?position:"relative");$target.css("overflow","hidden");img.style.width=img.style.height="";$(img).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:img.width*magnify,height:img.height*magnify,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(target);return{init:function(){targetWidth=$target.outerWidth();targetHeight=$target.outerHeight();if(source===$target[0]){sourceWidth=targetWidth;sourceHeight=targetHeight}else{sourceWidth=$source.outerWidth();sourceHeight=$source.outerHeight()}xRatio=(img.width-targetWidth)/sourceWidth;yRatio=(img.height-targetHeight)/sourceHeight;offset=$source.offset()},move:function(e){var left=e.pageX-offset.left,top=e.pageY-offset.top;top=Math.max(Math.min(top,sourceHeight),0);left=Math.max(Math.min(left,sourceWidth),0);img.style.left=left*-xRatio+"px";img.style.top=top*-yRatio+"px"}}};$.fn.zoom=function(options){return this.each(function(){var settings=$.extend({},defaults,options||{}),target=settings.target||this,source=this,$source=$(source),$target=$(target),img=document.createElement("img"),$img=$(img),mousemove="mousemove.zoom",clicked=false,touched=false,$urlElement;if(!settings.url){$urlElement=$source.find("img");if($urlElement[0]){settings.url=$urlElement.data("src")||$urlElement.attr("src")}if(!settings.url){return}}(function(){var position=$target.css("position");var overflow=$target.css("overflow");$source.one("zoom.destroy",function(){$source.off(".zoom");$target.css("position",position);$target.css("overflow",overflow);$img.remove()})})();img.onload=function(){var zoom=$.zoom(target,source,img,settings.magnify);function start(e){zoom.init();zoom.move(e);$img.stop().fadeTo($.support.opacity?settings.duration:0,1,$.isFunction(settings.onZoomIn)?settings.onZoomIn.call(img):false)}function stop(){$img.stop().fadeTo(settings.duration,0,$.isFunction(settings.onZoomOut)?settings.onZoomOut.call(img):false)}if(settings.on==="grab"){$source.on("mousedown.zoom",function(e){if(e.which===1){$(document).one("mouseup.zoom",function(){stop();$(document).off(mousemove,zoom.move)});start(e);$(document).on(mousemove,zoom.move);e.preventDefault()}})}else if(settings.on==="click"){$source.on("click.zoom",function(e){if(clicked){return}else{clicked=true;start(e);$(document).on(mousemove,zoom.move);$(document).one("click.zoom",function(){stop();clicked=false;$(document).off(mousemove,zoom.move)});return false}})}else if(settings.on==="toggle"){$source.on("click.zoom",function(e){if(clicked){stop()}else{start(e)}clicked=!clicked})}else if(settings.on==="mouseover"){zoom.init();$source.on("mouseenter.zoom",start).on("mouseleave.zoom",stop).on(mousemove,zoom.move)}if(settings.touch){$source.on("touchstart.zoom",function(e){e.preventDefault();if(touched){touched=false;stop()}else{touched=true;start(e.originalEvent.touches[0]||e.originalEvent.changedTouches[0])}}).on("touchmove.zoom",function(e){e.preventDefault();zoom.move(e.originalEvent.touches[0]||e.originalEvent.changedTouches[0])})}if($.isFunction(settings.callback)){settings.callback.call(img)}};img.src=settings.url})};$.fn.zoom.defaults=defaults})(window.jQuery);
// $Revision: 39922 $
// $HeadURL: svn://localhost/ShopFactory/branches/V14_60/bin/SFXTemplates/shared_files/jquery.zoom.min.js $