(function($){$.fn.twentytwenty=function(options){var options=$.extend({default_offset_pct:0.5,orientation:'horizontal',before_label:'Before',after_label:'After',no_overlay:false,move_slider_on_hover:false,move_with_handle_only:true,click_to_move:false},options);return this.each(function(){var sliderPct=options.default_offset_pct;var container=$(this);var sliderOrientation=options.orientation;var beforeDirection=(sliderOrientation==='vertical')?'down':'left';var afterDirection=(sliderOrientation==='vertical')?'up':'right';container.wrap("<div class='twentytwenty-wrapper twentytwenty-"+sliderOrientation+"'></div>");if(!options.no_overlay){container.append("<div class='twentytwenty-overlay'></div>");var overlay=container.find(".twentytwenty-overlay");overlay.append("<div class='twentytwenty-before-label' data-content='"+options.before_label+"'></div>");overlay.append("<div class='twentytwenty-after-label' data-content='"+options.after_label+"'></div>");}
var beforeImg=container.find("img:first");var afterImg=container.find("img:last");container.append("<div class='twentytwenty-handle'></div>");var slider=container.find(".twentytwenty-handle");slider.append("<span class='twentytwenty-"+beforeDirection+"-arrow'></span>");slider.append("<span class='twentytwenty-"+afterDirection+"-arrow'></span>");container.addClass("twentytwenty-container");beforeImg.addClass("twentytwenty-before");afterImg.addClass("twentytwenty-after");var calcOffset=function(dimensionPct){var w=beforeImg.width();var h=beforeImg.height();return{w:w+"px",h:h+"px",cw:(dimensionPct*w)+"px",ch:(dimensionPct*h)+"px"};};var adjustContainer=function(offset){if(sliderOrientation==='vertical'){beforeImg.css("clip","rect(0,"+offset.w+","+offset.ch+",0)");afterImg.css("clip","rect("+offset.ch+","+offset.w+","+offset.h+",0)");}
else{beforeImg.css("clip","rect(0,"+offset.cw+","+offset.h+",0)");afterImg.css("clip","rect(0,"+offset.w+","+offset.h+","+offset.cw+")");}
container.css("height",offset.h);};var adjustSlider=function(pct){var offset=calcOffset(pct);slider.css((sliderOrientation==="vertical")?"top":"left",(sliderOrientation==="vertical")?offset.ch:offset.cw);adjustContainer(offset);};var minMaxNumber=function(num,min,max){return Math.max(min,Math.min(max,num));};var getSliderPercentage=function(positionX,positionY){var sliderPercentage=(sliderOrientation==='vertical')?(positionY-offsetY)/imgHeight:(positionX-offsetX)/imgWidth;return minMaxNumber(sliderPercentage,0,1);};$(window).on("resize.twentytwenty",function(e){adjustSlider(sliderPct);});var offsetX=0;var offsetY=0;var imgWidth=0;var imgHeight=0;var onMoveStart=function(e){if(((e.distX>e.distY&&e.distX<-e.distY)||(e.distX<e.distY&&e.distX>-e.distY))&&sliderOrientation!=='vertical'){e.preventDefault();}
else if(((e.distX<e.distY&&e.distX<-e.distY)||(e.distX>e.distY&&e.distX>-e.distY))&&sliderOrientation==='vertical'){e.preventDefault();}
container.addClass("active");offsetX=container.offset().left;offsetY=container.offset().top;imgWidth=beforeImg.width();imgHeight=beforeImg.height();};var onMove=function(e){if(container.hasClass("active")){sliderPct=getSliderPercentage(e.pageX,e.pageY);adjustSlider(sliderPct);}};var onMoveEnd=function(){container.removeClass("active");};var moveTarget=options.move_with_handle_only?slider:container;moveTarget.on("movestart",onMoveStart);moveTarget.on("move",onMove);moveTarget.on("moveend",onMoveEnd);if(options.move_slider_on_hover){container.on("mouseenter",onMoveStart);container.on("mousemove",onMove);container.on("mouseleave",onMoveEnd);}
slider.on("touchmove",function(e){e.preventDefault();});container.find("img").on("mousedown",function(event){event.preventDefault();});if(options.click_to_move){container.on('click',function(e){offsetX=container.offset().left;offsetY=container.offset().top;imgWidth=beforeImg.width();imgHeight=beforeImg.height();sliderPct=getSliderPercentage(e.pageX,e.pageY);adjustSlider(sliderPct);});}
$(window).trigger("resize.twentytwenty");});};})(jQuery);