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Filename : ekko-lightbox.min.js
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+function(a){"use strict";function b(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}var c=function(){function a(a,b){for(var c=0;c<b.length;c++){var d=b[c];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(a,d.key,d)}}return function(b,c,d){return c&&a(b.prototype,c),d&&a(b,d),b}}();(function(a){var d="ekkoLightbox",e=a.fn[d],f={title:"",footer:"",maxWidth:9999,maxHeight:9999,showArrows:!0,wrapping:!0,type:null,alwaysShowClose:!1,loadingMessage:'<div class="ekko-lightbox-loader"><div><div></div><div></div></div></div>',leftArrow:"<span>&#10094;</span>",rightArrow:"<span>&#10095;</span>",strings:{close:"Close",fail:"Failed to load image:",type:"Could not detect remote target type. Force the type using data-type"},doc:document,onShow:function(){},onShown:function(){},onHide:function(){},onHidden:function(){},onNavigate:function(){},onContentLoaded:function(){}},g=function(){function d(c,e){var g=this;b(this,d),this._config=a.extend({},f,e),this._$modalArrows=null,this._galleryIndex=0,this._galleryName=null,this._padding=null,this._border=null,this._titleIsShown=!1,this._footerIsShown=!1,this._wantedWidth=0,this._wantedHeight=0,this._touchstartX=0,this._touchendX=0,this._modalId="ekkoLightbox-"+Math.floor(1e3*Math.random()+1),this._$element=c instanceof jQuery?c:a(c),this._isBootstrap3=3==a.fn.modal.Constructor.VERSION[0];var h='<h4 class="modal-title">'+(this._config.title||"&nbsp;")+"</h4>",i='<button type="button" class="close" data-dismiss="modal" aria-label="'+this._config.strings.close+'"><span aria-hidden="true">&times;</span></button>',j='<div class="modal-header'+(this._config.title||this._config.alwaysShowClose?"":" hide")+'">'+(this._isBootstrap3?i+h:h+i)+"</div>",k='<div class="modal-footer'+(this._config.footer?"":" hide")+'">'+(this._config.footer||"&nbsp;")+"</div>",l='<div class="modal-body"><div class="ekko-lightbox-container"><div class="ekko-lightbox-item fade in show"></div><div class="ekko-lightbox-item fade"></div></div></div>',m='<div class="modal-dialog" role="document"><div class="modal-content">'+j+l+k+"</div></div>";a(this._config.doc.body).append('<div id="'+this._modalId+'" class="ekko-lightbox modal fade" tabindex="-1" tabindex="-1" role="dialog" aria-hidden="true">'+m+"</div>"),this._$modal=a("#"+this._modalId,this._config.doc),this._$modalDialog=this._$modal.find(".modal-dialog").first(),this._$modalContent=this._$modal.find(".modal-content").first(),this._$modalBody=this._$modal.find(".modal-body").first(),this._$modalHeader=this._$modal.find(".modal-header").first(),this._$modalFooter=this._$modal.find(".modal-footer").first(),this._$lightboxContainer=this._$modalBody.find(".ekko-lightbox-container").first(),this._$lightboxBodyOne=this._$lightboxContainer.find("> div:first-child").first(),this._$lightboxBodyTwo=this._$lightboxContainer.find("> div:last-child").first(),this._border=this._calculateBorders(),this._padding=this._calculatePadding(),this._galleryName=this._$element.data("gallery"),this._galleryName&&(this._$galleryItems=a(document.body).find('*[data-gallery="'+this._galleryName+'"]'),this._galleryIndex=this._$galleryItems.index(this._$element),a(document).on("keydown.ekkoLightbox",this._navigationalBinder.bind(this)),this._config.showArrows&&this._$galleryItems.length>1&&(this._$lightboxContainer.append('<div class="ekko-lightbox-nav-overlay"><a href="#">'+this._config.leftArrow+'</a><a href="#">'+this._config.rightArrow+"</a></div>"),this._$modalArrows=this._$lightboxContainer.find("div.ekko-lightbox-nav-overlay").first(),this._$lightboxContainer.on("click","a:first-child",function(a){return a.preventDefault(),g.navigateLeft()}),this._$lightboxContainer.on("click","a:last-child",function(a){return a.preventDefault(),g.navigateRight()}),this.updateNavigation())),this._$modal.on("show.bs.modal",this._config.onShow.bind(this)).on("shown.bs.modal",function(){return g._toggleLoading(!0),g._handle(),g._config.onShown.call(g)}).on("hide.bs.modal",this._config.onHide.bind(this)).on("hidden.bs.modal",function(){return g._galleryName&&(a(document).off("keydown.ekkoLightbox"),a(window).off("resize.ekkoLightbox")),g._$modal.remove(),g._config.onHidden.call(g)}).modal(this._config),a(window).on("resize.ekkoLightbox",function(){g._resize(g._wantedWidth,g._wantedHeight)}),this._$lightboxContainer.on("touchstart",function(){g._touchstartX=event.changedTouches[0].screenX}).on("touchend",function(){g._touchendX=event.changedTouches[0].screenX,g._swipeGesure()})}return c(d,null,[{key:"Default",get:function(){return f}}]),c(d,[{key:"element",value:function(){return this._$element}},{key:"modal",value:function(){return this._$modal}},{key:"navigateTo",value:function(b){return b<0||b>this._$galleryItems.length-1?this:(this._galleryIndex=b,this.updateNavigation(),this._$element=a(this._$galleryItems.get(this._galleryIndex)),void this._handle())}},{key:"navigateLeft",value:function(){if(this._$galleryItems&&1!==this._$galleryItems.length){if(0===this._galleryIndex){if(!this._config.wrapping)return;this._galleryIndex=this._$galleryItems.length-1}else this._galleryIndex--;return this._config.onNavigate.call(this,"left",this._galleryIndex),this.navigateTo(this._galleryIndex)}}},{key:"navigateRight",value:function(){if(this._$galleryItems&&1!==this._$galleryItems.length){if(this._galleryIndex===this._$galleryItems.length-1){if(!this._config.wrapping)return;this._galleryIndex=0}else this._galleryIndex++;return this._config.onNavigate.call(this,"right",this._galleryIndex),this.navigateTo(this._galleryIndex)}}},{key:"updateNavigation",value:function(){if(!this._config.wrapping){var a=this._$lightboxContainer.find("div.ekko-lightbox-nav-overlay");0===this._galleryIndex?a.find("a:first-child").addClass("disabled"):a.find("a:first-child").removeClass("disabled"),this._galleryIndex===this._$galleryItems.length-1?a.find("a:last-child").addClass("disabled"):a.find("a:last-child").removeClass("disabled")}}},{key:"close",value:function(){return this._$modal.modal("hide")}},{key:"_navigationalBinder",value:function(a){return a=a||window.event,39===a.keyCode?this.navigateRight():37===a.keyCode?this.navigateLeft():void 0}},{key:"_detectRemoteType",value:function(a,b){return b=b||!1,!b&&this._isImage(a)&&(b="image"),!b&&this._getYoutubeId(a)&&(b="youtube"),!b&&this._getVimeoId(a)&&(b="vimeo"),!b&&this._getInstagramId(a)&&(b="instagram"),(!b||["image","youtube","vimeo","instagram","video","url"].indexOf(b)<0)&&(b="url"),b}},{key:"_isImage",value:function(a){return a&&a.match(/(^data:image\/.*,)|(\.(jp(e|g|eg)|gif|png|bmp|webp|svg)((\?|#).*)?$)/i)}},{key:"_containerToUse",value:function(){var a=this,b=this._$lightboxBodyTwo,c=this._$lightboxBodyOne;return this._$lightboxBodyTwo.hasClass("in")&&(b=this._$lightboxBodyOne,c=this._$lightboxBodyTwo),c.removeClass("in show"),setTimeout(function(){a._$lightboxBodyTwo.hasClass("in")||a._$lightboxBodyTwo.empty(),a._$lightboxBodyOne.hasClass("in")||a._$lightboxBodyOne.empty()},500),b.addClass("in show"),b}},{key:"_handle",value:function(){var a=this._containerToUse();this._updateTitleAndFooter();var b=this._$element.attr("data-remote")||this._$element.attr("href"),c=this._detectRemoteType(b,this._$element.attr("data-type")||!1);if(["image","youtube","vimeo","instagram","video","url"].indexOf(c)<0)return this._error(this._config.strings.type);switch(c){case"image":this._preloadImage(b,a),this._preloadImageByIndex(this._galleryIndex,3);break;case"youtube":this._showYoutubeVideo(b,a);break;case"vimeo":this._showVimeoVideo(this._getVimeoId(b),a);break;case"instagram":this._showInstagramVideo(this._getInstagramId(b),a);break;case"video":this._showHtml5Video(b,a);break;default:this._loadRemoteContent(b,a)}return this}},{key:"_getYoutubeId",value:function(a){if(!a)return!1;var b=a.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);return!(!b||11!==b[2].length)&&b[2]}},{key:"_getVimeoId",value:function(a){return!!(a&&a.indexOf("vimeo")>0)&&a}},{key:"_getInstagramId",value:function(a){return!!(a&&a.indexOf("instagram")>0)&&a}},{key:"_toggleLoading",value:function(b){return b=b||!1,b?(this._$modalDialog.css("display","none"),this._$modal.removeClass("in show"),a(".modal-backdrop").append(this._config.loadingMessage)):(this._$modalDialog.css("display","block"),this._$modal.addClass("in show"),a(".modal-backdrop").find(".ekko-lightbox-loader").remove()),this}},{key:"_calculateBorders",value:function(){return{top:this._totalCssByAttribute("border-top-width"),right:this._totalCssByAttribute("border-right-width"),bottom:this._totalCssByAttribute("border-bottom-width"),left:this._totalCssByAttribute("border-left-width")}}},{key:"_calculatePadding",value:function(){return{top:this._totalCssByAttribute("padding-top"),right:this._totalCssByAttribute("padding-right"),bottom:this._totalCssByAttribute("padding-bottom"),left:this._totalCssByAttribute("padding-left")}}},{key:"_totalCssByAttribute",value:function(a){return parseInt(this._$modalDialog.css(a),10)+parseInt(this._$modalContent.css(a),10)+parseInt(this._$modalBody.css(a),10)}},{key:"_updateTitleAndFooter",value:function(){var a=this._$element.data("title")||"",b=this._$element.data("footer")||"";return this._titleIsShown=!1,a||this._config.alwaysShowClose?(this._titleIsShown=!0,this._$modalHeader.css("display","").find(".modal-title").html(a||"&nbsp;")):this._$modalHeader.css("display","none"),this._footerIsShown=!1,b?(this._footerIsShown=!0,this._$modalFooter.css("display","").html(b)):this._$modalFooter.css("display","none"),this}},{key:"_showYoutubeVideo",value:function(a,b){var c=this._getYoutubeId(a),d=a.indexOf("&")>0?a.substr(a.indexOf("&")):"",e=this._$element.data("width")||560,f=this._$element.data("height")||e/(560/315);return this._showVideoIframe("//www.youtube.com/embed/"+c+"?badge=0&autoplay=1&html5=1"+d,e,f,b)}},{key:"_showVimeoVideo",value:function(a,b){var c=this._$element.data("width")||500,d=this._$element.data("height")||c/(560/315);return this._showVideoIframe(a+"?autoplay=1",c,d,b)}},{key:"_showInstagramVideo",value:function(a,b){var c=this._$element.data("width")||612,d=c+80;return a="/"!==a.substr(-1)?a+"/":a,b.html('<iframe width="'+c+'" height="'+d+'" src="'+a+'embed/" frameborder="0" allowfullscreen></iframe>'),this._resize(c,d),this._config.onContentLoaded.call(this),this._$modalArrows&&this._$modalArrows.css("display","none"),this._toggleLoading(!1),this}},{key:"_showVideoIframe",value:function(a,b,c,d){return c=c||b,d.html('<div class="embed-responsive embed-responsive-16by9"><iframe width="'+b+'" height="'+c+'" src="'+a+'" frameborder="0" allowfullscreen class="embed-responsive-item"></iframe></div>'),this._resize(b,c),this._config.onContentLoaded.call(this),this._$modalArrows&&this._$modalArrows.css("display","none"),this._toggleLoading(!1),this}},{key:"_showHtml5Video",value:function(a,b){var c=this._$element.data("width")||560,d=this._$element.data("height")||c/(560/315);return b.html('<div class="embed-responsive embed-responsive-16by9"><video width="'+c+'" height="'+d+'" src="'+a+'" preload="auto" autoplay controls class="embed-responsive-item"></video></div>'),this._resize(c,d),this._config.onContentLoaded.call(this),this._$modalArrows&&this._$modalArrows.css("display","none"),this._toggleLoading(!1),this}},{key:"_loadRemoteContent",value:function(b,c){var d=this,e=this._$element.data("width")||560,f=this._$element.data("height")||560,g=this._$element.data("disableExternalCheck")||!1;return this._toggleLoading(!1),g||this._isExternal(b)?(c.html('<iframe src="'+b+'" frameborder="0" allowfullscreen></iframe>'),this._config.onContentLoaded.call(this)):c.load(b,a.proxy(function(){return d._$element.trigger("loaded.bs.modal")})),this._$modalArrows&&this._$modalArrows.css("display","none"),this._resize(e,f),this}},{key:"_isExternal",value:function(a){var b=a.match(/^([^:\/?#]+:)?(?:\/\/([^\/?#]*))?([^?#]+)?(\?[^#]*)?(#.*)?/);return"string"==typeof b[1]&&b[1].length>0&&b[1].toLowerCase()!==location.protocol||"string"==typeof b[2]&&b[2].length>0&&b[2].replace(new RegExp(":("+{"http:":80,"https:":443}[location.protocol]+")?$"),"")!==location.host}},{key:"_error",value:function(a){return console.error(a),this._containerToUse().html(a),this._resize(300,300),this}},{key:"_preloadImageByIndex",value:function(b,c){if(this._$galleryItems){var d=a(this._$galleryItems.get(b),!1);if("undefined"!=typeof d){var e=d.attr("data-remote")||d.attr("href");return("image"===d.attr("data-type")||this._isImage(e))&&this._preloadImage(e,!1),c>0?this._preloadImageByIndex(b+1,c-1):void 0}}}},{key:"_preloadImage",value:function(b,c){var d=this;c=c||!1;var e=new Image;return c&&!function(){var f=setTimeout(function(){c.append(d._config.loadingMessage)},200);e.onload=function(){f&&clearTimeout(f),f=null;var b=a("<img />");return b.attr("src",e.src),b.addClass("img-fluid"),b.css("width","100%"),c.html(b),d._$modalArrows&&d._$modalArrows.css("display",""),d._resize(e.width,e.height),d._toggleLoading(!1),d._config.onContentLoaded.call(d)},e.onerror=function(){return d._toggleLoading(!1),d._error(d._config.strings.fail+("  "+b))}}(),e.src=b,e}},{key:"_swipeGesure",value:function(){return this._touchendX<this._touchstartX?this.navigateRight():this._touchendX>this._touchstartX?this.navigateLeft():void 0}},{key:"_resize",value:function(b,c){c=c||b,this._wantedWidth=b,this._wantedHeight=c;var d=b/c,e=this._padding.left+this._padding.right+this._border.left+this._border.right,f=this._config.doc.body.clientWidth>575?20:0,g=this._config.doc.body.clientWidth>575?0:20,h=Math.min(b+e,this._config.doc.body.clientWidth-f,this._config.maxWidth);b+e>h?(c=(h-e-g)/d,b=h):b+=e;var i=0,j=0;this._footerIsShown&&(j=this._$modalFooter.outerHeight(!0)||55),this._titleIsShown&&(i=this._$modalHeader.outerHeight(!0)||67);var k=this._padding.top+this._padding.bottom+this._border.bottom+this._border.top,l=parseFloat(this._$modalDialog.css("margin-top"))+parseFloat(this._$modalDialog.css("margin-bottom")),m=Math.min(c,a(window).height()-k-l-i-j,this._config.maxHeight-k-i-j);c>m&&(b=Math.ceil(m*d)+e),this._$lightboxContainer.css("height",m),this._$modalDialog.css("flex",1).css("maxWidth",b);var n=this._$modal.data("bs.modal");if(n)try{n._handleUpdate()}catch(o){n.handleUpdate()}return this}}],[{key:"_jQueryInterface",value:function(b){var c=this;return b=b||{},this.each(function(){var e=a(c),f=a.extend({},d.Default,e.data(),"object"==typeof b&&b);new d(c,f)})}}]),d}();return a.fn[d]=g._jQueryInterface,a.fn[d].Constructor=g,a.fn[d].noConflict=function(){return a.fn[d]=e,g._jQueryInterface},g})(jQuery)}(jQuery);
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