/*!
 * justifiedgallery - v3.7.0
 * http://miromannino.github.io/justified-gallery/
 * copyright (c) 2018 miro mannino
 * licensed under the mit license.
 */

!function(e){"function"==typeof define&&define.amd?define(["jquery"],e):"object"==typeof module&&module.exports?module.exports=function(t,i){return void 0===i&&(i="undefined"!=typeof window?require("jquery"):require("jquery")(t)),e(i),i}:e(jquery)}(function(g){var r=function(t,i){this.settings=i,this.checksettings(),this.imganalyzertimeout=null,this.entries=null,this.buildingrow={entriesbuff:[],width:0,height:0,aspectratio:0},this.lastfetchedentry=null,this.lastanalyzedindex=-1,this.yield={every:2,flushed:0},this.border=0<=i.border?i.border:i.margins,this.maxrowheight=this.retrievemaxrowheight(),this.suffixranges=this.retrievesuffixranges(),this.offy=this.border,this.rows=0,this.spinner={phase:0,timeslot:150,$el:g('<div class="spinner"><span></span><span></span><span></span></div>'),intervalid:null},this.scrollbaron=!1,this.checkwidthintervalid=null,this.gallerywidth=t.width(),this.$gallery=t};r.prototype.getsuffix=function(t,i){var e,s;for(e=i<t?t:i,s=0;s<this.suffixranges.length;s++)if(e<=this.suffixranges[s])return this.settings.sizerangesuffixes[this.suffixranges[s]];return this.settings.sizerangesuffixes[this.suffixranges[s-1]]},r.prototype.removesuffix=function(t,i){return t.substring(0,t.length-i.length)},r.prototype.endswith=function(t,i){return-1!==t.indexof(i,t.length-i.length)},r.prototype.getusedsuffix=function(t){for(var i in this.settings.sizerangesuffixes)if(this.settings.sizerangesuffixes.hasownproperty(i)){if(0===this.settings.sizerangesuffixes[i].length)continue;if(this.endswith(t,this.settings.sizerangesuffixes[i]))return this.settings.sizerangesuffixes[i]}return""},r.prototype.newsrc=function(t,i,e,s){var n;if(this.settings.thumbnailpath)n=this.settings.thumbnailpath(t,i,e,s);else{var r=t.match(this.settings.extension),o=null!==r?r[0]:"";n=t.replace(this.settings.extension,""),n=this.removesuffix(n,this.getusedsuffix(n)),n+=this.getsuffix(i,e)+o}return n},r.prototype.showimg=function(t,i){this.settings.cssanimation?(t.addclass("entry-visible"),i&&i()):(t.stop().fadeto(this.settings.imagesanimationduration,1,i),t.find(this.settings.imgselector).stop().fadeto(this.settings.imagesanimationduration,1,i))},r.prototype.extractimgsrcfromimage=function(t){var i=void 0!==t.data("safe-src")?t.data("safe-src"):t.attr("src");return t.data("jg.originalsrc",i),i},r.prototype.imgfromentry=function(t){var i=t.find(this.settings.imgselector);return 0===i.length?null:i},r.prototype.captionfromentry=function(t){var i=t.find("> .caption");return 0===i.length?null:i},r.prototype.displayentry=function(t,i,e,s,n,r){t.width(s),t.height(r),t.css("top",e),t.css("left",i);var o=this.imgfromentry(t);if(null!==o){o.css("width",s),o.css("height",n),o.css("margin-left",-s/2),o.css("margin-top",-n/2);var a=o.attr("src"),h=this.newsrc(a,s,n,o[0]);o.one("error",function(){o.attr("src",o.data("jg.originalsrc"))});var l=function(){a!==h&&o.attr("src",h)};"skipped"===t.data("jg.loaded")?this.onimageevent(a,g.proxy(function(){this.showimg(t,l),t.data("jg.loaded",!0)},this)):this.showimg(t,l)}else this.showimg(t);this.displayentrycaption(t)},r.prototype.displayentrycaption=function(t){var i=this.imgfromentry(t);if(null!==i&&this.settings.captions){var e=this.captionfromentry(t);if(null===e){var s=i.attr("alt");this.isvalidcaption(s)||(s=t.attr("title")),this.isvalidcaption(s)&&(e=g('<div class="caption">'+s+"</div>"),t.append(e),t.data("jg.createdcaption",!0))}null!==e&&(this.settings.cssanimation||e.stop().fadeto(0,this.settings.captionsettings.nonvisibleopacity),this.addcaptioneventshandlers(t))}else this.removecaptioneventshandlers(t)},r.prototype.isvalidcaption=function(t){return void 0!==t&&0<t.length},r.prototype.onentrymouseenterforcaption=function(t){var i=this.captionfromentry(g(t.currenttarget));this.settings.cssanimation?i.addclass("caption-visible").removeclass("caption-hidden"):i.stop().fadeto(this.settings.captionsettings.animationduration,this.settings.captionsettings.visibleopacity)},r.prototype.onentrymouseleaveforcaption=function(t){var i=this.captionfromentry(g(t.currenttarget));this.settings.cssanimation?i.removeclass("caption-visible").removeclass("caption-hidden"):i.stop().fadeto(this.settings.captionsettings.animationduration,this.settings.captionsettings.nonvisibleopacity)},r.prototype.addcaptioneventshandlers=function(t){var i=t.data("jg.captionmouseevents");void 0===i&&(i={mouseenter:g.proxy(this.onentrymouseenterforcaption,this),mouseleave:g.proxy(this.onentrymouseleaveforcaption,this)},t.on("mouseenter",void 0,void 0,i.mouseenter),t.on("mouseleave",void 0,void 0,i.mouseleave),t.data("jg.captionmouseevents",i))},r.prototype.removecaptioneventshandlers=function(t){var i=t.data("jg.captionmouseevents");void 0!==i&&(t.off("mouseenter",void 0,i.mouseenter),t.off("mouseleave",void 0,i.mouseleave),t.removedata("jg.captionmouseevents"))},r.prototype.clearbuildingrow=function(){this.buildingrow.entriesbuff=[],this.buildingrow.aspectratio=0,this.buildingrow.width=0},r.prototype.preparebuildingrow=function(t){var i,e,s,n,r,o=!0,a=0,h=this.gallerywidth-2*this.border-(this.buildingrow.entriesbuff.length-1)*this.settings.margins,l=h/this.buildingrow.aspectratio,g=this.settings.rowheight,u=this.buildingrow.width/h>this.settings.justifythreshold;if(t&&"hide"===this.settings.lastrow&&!u){for(i=0;i<this.buildingrow.entriesbuff.length;i++)e=this.buildingrow.entriesbuff[i],this.settings.cssanimation?e.removeclass("entry-visible"):(e.stop().fadeto(0,.1),e.find("> img, > a > img").fadeto(0,0));return-1}for(t&&!u&&"justify"!==this.settings.lastrow&&"hide"!==this.settings.lastrow&&(o=!1,0<this.rows&&(o=(g=(this.offy-this.border-this.settings.margins*this.rows)/this.rows)*this.buildingrow.aspectratio/h>this.settings.justifythreshold)),i=0;i<this.buildingrow.entriesbuff.length;i++)s=(e=this.buildingrow.entriesbuff[i]).data("jg.width")/e.data("jg.height"),o?(n=i===this.buildingrow.entriesbuff.length-1?h:l*s,r=l):(n=g*s,r=g),h-=math.round(n),e.data("jg.jwidth",math.round(n)),e.data("jg.jheight",math.ceil(r)),(0===i||r<a)&&(a=r);return this.buildingrow.height=a,o},r.prototype.flushrow=function(t){var i,e,s,n=this.settings,r=this.border;if(e=this.preparebuildingrow(t),t&&"hide"===n.lastrow&&-1===e)this.clearbuildingrow();else{if(this.maxrowheight&&this.maxrowheight<this.buildingrow.height&&(this.buildingrow.height=this.maxrowheight),t&&("center"===n.lastrow||"right"===n.lastrow)){var o=this.gallerywidth-2*this.border-(this.buildingrow.entriesbuff.length-1)*n.margins;for(s=0;s<this.buildingrow.entriesbuff.length;s++)o-=(i=this.buildingrow.entriesbuff[s]).data("jg.jwidth");"center"===n.lastrow?r+=o/2:"right"===n.lastrow&&(r+=o)}var a=this.buildingrow.entriesbuff.length-1;for(s=0;s<=a;s++)i=this.buildingrow.entriesbuff[this.settings.rtl?a-s:s],this.displayentry(i,r,this.offy,i.data("jg.jwidth"),i.data("jg.jheight"),this.buildingrow.height),r+=i.data("jg.jwidth")+n.margins;this.galleryheighttoset=this.offy+this.buildingrow.height+this.border,this.setgallerytempheight(this.galleryheighttoset+this.getspinnerheight()),(!t||this.buildingrow.height<=n.rowheight&&e)&&(this.offy+=this.buildingrow.height+n.margins,this.rows+=1,this.clearbuildingrow(),this.settings.triggerevent.call(this,"jg.rowflush"))}};var i=0;function e(){return g("body").height()>g(window).height()}r.prototype.remembergalleryheight=function(){i=this.$gallery.height(),this.$gallery.height(i)},r.prototype.setgallerytempheight=function(t){i=math.max(t,i),this.$gallery.height(i)},r.prototype.setgalleryfinalheight=function(t){i=t,this.$gallery.height(t)},r.prototype.checkwidth=function(){this.checkwidthintervalid=setinterval(g.proxy(function(){if(this.$gallery.is(":visible")){var t=parsefloat(this.$gallery.width());e()===this.scrollbaron?math.abs(t-this.gallerywidth)>this.settings.refreshsensitivity&&(this.gallerywidth=t,this.rewind(),this.remembergalleryheight(),this.startimganalyzer(!0)):(this.scrollbaron=e(),this.gallerywidth=t)}},this),this.settings.refreshtime)},r.prototype.isspinneractive=function(){return null!==this.spinner.intervalid},r.prototype.getspinnerheight=function(){return this.spinner.$el.innerheight()},r.prototype.stoploadingspinneranimation=function(){clearinterval(this.spinner.intervalid),this.spinner.intervalid=null,this.setgallerytempheight(this.$gallery.height()-this.getspinnerheight()),this.spinner.$el.detach()},r.prototype.startloadingspinneranimation=function(){var t=this.spinner,i=t.$el.find("span");clearinterval(t.intervalid),this.$gallery.append(t.$el),this.setgallerytempheight(this.offy+this.buildingrow.height+this.getspinnerheight()),t.intervalid=setinterval(function(){t.phase<i.length?i.eq(t.phase).fadeto(t.timeslot,1):i.eq(t.phase-i.length).fadeto(t.timeslot,0),t.phase=(t.phase+1)%(2*i.length)},t.timeslot)},r.prototype.rewind=function(){this.lastfetchedentry=null,this.lastanalyzedindex=-1,this.offy=this.border,this.rows=0,this.clearbuildingrow()},r.prototype.updateentries=function(t){var i;return t&&null!=this.lastfetchedentry?i=g(this.lastfetchedentry).nextall(this.settings.selector).toarray():(this.entries=[],i=this.$gallery.children(this.settings.selector).toarray()),0<i.length&&(g.isfunction(this.settings.sort)?i=this.sortarray(i):this.settings.randomize&&(i=this.shufflearray(i)),this.lastfetchedentry=i[i.length-1],this.settings.filter?i=this.filterarray(i):this.resetfilters(i)),this.entries=this.entries.concat(i),!0},r.prototype.inserttogallery=function(t){var i=this;g.each(t,function(){g(this).appendto(i.$gallery)})},r.prototype.shufflearray=function(t){var i,e,s;for(i=t.length-1;0<i;i--)e=math.floor(math.random()*(i+1)),s=t[i],t[i]=t[e],t[e]=s;return this.inserttogallery(t),t},r.prototype.sortarray=function(t){return t.sort(this.settings.sort),this.inserttogallery(t),t},r.prototype.resetfilters=function(t){for(var i=0;i<t.length;i++)g(t[i]).removeclass("jg-filtered")},r.prototype.filterarray=function(t){var e=this.settings;if("string"===g.type(e.filter))return t.filter(function(t){var i=g(t);return i.is(e.filter)?(i.removeclass("jg-filtered"),!0):(i.addclass("jg-filtered").removeclass("jg-visible"),!1)});if(g.isfunction(e.filter)){for(var i=t.filter(e.filter),s=0;s<t.length;s++)-1===i.indexof(t[s])?g(t[s]).addclass("jg-filtered").removeclass("jg-visible"):g(t[s]).removeclass("jg-filtered");return i}},r.prototype.destroy=function(){clearinterval(this.checkwidthintervalid),g.each(this.entries,g.proxy(function(t,i){var e=g(i);e.css("width",""),e.css("height",""),e.css("top",""),e.css("left",""),e.data("jg.loaded",void 0),e.removeclass("jg-entry");var s=this.imgfromentry(e);s.css("width",""),s.css("height",""),s.css("margin-left",""),s.css("margin-top",""),s.attr("src",s.data("jg.originalsrc")),s.data("jg.originalsrc",void 0),this.removecaptioneventshandlers(e);var n=this.captionfromentry(e);e.data("jg.createdcaption")?(e.data("jg.createdcaption",void 0),null!==n&&n.remove()):null!==n&&n.fadeto(0,1)},this)),this.$gallery.css("height",""),this.$gallery.removeclass("justified-gallery"),this.$gallery.data("jg.controller",void 0)},r.prototype.analyzeimages=function(t){for(var i=this.lastanalyzedindex+1;i<this.entries.length;i++){var e=g(this.entries[i]);if(!0===e.data("jg.loaded")||"skipped"===e.data("jg.loaded")){var s=this.gallerywidth-2*this.border-(this.buildingrow.entriesbuff.length-1)*this.settings.margins,n=e.data("jg.width")/e.data("jg.height");if(s/(this.buildingrow.aspectratio+n)<this.settings.rowheight&&(this.flushrow(!1),++this.yield.flushed>=this.yield.every))return void this.startimganalyzer(t);this.buildingrow.entriesbuff.push(e),this.buildingrow.aspectratio+=n,this.buildingrow.width+=n*this.settings.rowheight,this.lastanalyzedindex=i}else if("error"!==e.data("jg.loaded"))return}0<this.buildingrow.entriesbuff.length&&this.flushrow(!0),this.isspinneractive()&&this.stoploadingspinneranimation(),this.stopimganalyzerstarter(),this.settings.triggerevent.call(this,t?"jg.resize":"jg.complete"),this.setgalleryfinalheight(this.galleryheighttoset)},r.prototype.stopimganalyzerstarter=function(){this.yield.flushed=0,null!==this.imganalyzertimeout&&(cleartimeout(this.imganalyzertimeout),this.imganalyzertimeout=null)},r.prototype.startimganalyzer=function(t){var i=this;this.stopimganalyzerstarter(),this.imganalyzertimeout=settimeout(function(){i.analyzeimages(t)},.001)},r.prototype.onimageevent=function(t,i,e){if(i||e){var s=new image,n=g(s);i&&n.one("load",function(){n.off("load error"),i(s)}),e&&n.one("error",function(){n.off("load error"),e(s)}),s.src=t}},r.prototype.init=function(){var a=!1,h=!1,l=this;g.each(this.entries,function(t,i){var e=g(i),s=l.imgfromentry(e);if(e.addclass("jg-entry"),!0!==e.data("jg.loaded")&&"skipped"!==e.data("jg.loaded"))if(null!==l.settings.rel&&e.attr("rel",l.settings.rel),null!==l.settings.target&&e.attr("target",l.settings.target),null!==s){var n=l.extractimgsrcfromimage(s);if(s.attr("src",n),!1===l.settings.waitthumbnailsload){var r=parsefloat(s.prop("width")),o=parsefloat(s.prop("height"));if(!isnan(r)&&!isnan(o))return e.data("jg.width",r),e.data("jg.height",o),e.data("jg.loaded","skipped"),h=!0,l.startimganalyzer(!1),!0}e.data("jg.loaded",!1),a=!0,l.isspinneractive()||l.startloadingspinneranimation(),l.onimageevent(n,function(t){e.data("jg.width",t.width),e.data("jg.height",t.height),e.data("jg.loaded",!0),l.startimganalyzer(!1)},function(){e.data("jg.loaded","error"),l.startimganalyzer(!1)})}else e.data("jg.loaded",!0),e.data("jg.width",e.width()|parsefloat(e.css("width"))|1),e.data("jg.height",e.height()|parsefloat(e.css("height"))|1)}),a||h||this.startimganalyzer(!1),this.checkwidth()},r.prototype.checkorconvertnumber=function(t,i){if("string"===g.type(t[i])&&(t[i]=parsefloat(t[i])),"number"!==g.type(t[i]))throw i+" must be a number";if(isnan(t[i]))throw"invalid number for "+i},r.prototype.checksizerangessuffixes=function(){if("object"!==g.type(this.settings.sizerangesuffixes))throw"sizerangesuffixes must be defined and must be an object";var t=[];for(var i in this.settings.sizerangesuffixes)this.settings.sizerangesuffixes.hasownproperty(i)&&t.push(i);for(var e={0:""},s=0;s<t.length;s++)if("string"===g.type(t[s]))try{e[parseint(t[s].replace(/^[a-z]+/,""),10)]=this.settings.sizerangesuffixes[t[s]]}catch(t){throw"sizerangesuffixes keys must contains correct numbers ("+t+")"}else e[t[s]]=this.settings.sizerangesuffixes[t[s]];this.settings.sizerangesuffixes=e},r.prototype.retrievemaxrowheight=function(){var t=null,i=this.settings.rowheight;if("string"===g.type(this.settings.maxrowheight))t=this.settings.maxrowheight.match(/^[0-9]+%$/)?i*parsefloat(this.settings.maxrowheight.match(/^([0-9]+)%$/)[1])/100:parsefloat(this.settings.maxrowheight);else{if("number"!==g.type(this.settings.maxrowheight)){if(!1===this.settings.maxrowheight||null==this.settings.maxrowheight)return null;throw"maxrowheight must be a number or a percentage"}t=this.settings.maxrowheight}if(isnan(t))throw"invalid number for maxrowheight";return t<i&&(t=i),t},r.prototype.checksettings=function(){this.checksizerangessuffixes(),this.checkorconvertnumber(this.settings,"rowheight"),this.checkorconvertnumber(this.settings,"margins"),this.checkorconvertnumber(this.settings,"border");var t=["justify","nojustify","left","center","right","hide"];if(-1===t.indexof(this.settings.lastrow))throw"lastrow must be one of: "+t.join(", ");if(this.checkorconvertnumber(this.settings,"justifythreshold"),this.settings.justifythreshold<0||1<this.settings.justifythreshold)throw"justifythreshold must be in the interval [0,1]";if("boolean"!==g.type(this.settings.cssanimation))throw"cssanimation must be a boolean";if("boolean"!==g.type(this.settings.captions))throw"captions must be a boolean";if(this.checkorconvertnumber(this.settings.captionsettings,"animationduration"),this.checkorconvertnumber(this.settings.captionsettings,"visibleopacity"),this.settings.captionsettings.visibleopacity<0||1<this.settings.captionsettings.visibleopacity)throw"captionsettings.visibleopacity must be in the interval [0, 1]";if(this.checkorconvertnumber(this.settings.captionsettings,"nonvisibleopacity"),this.settings.captionsettings.nonvisibleopacity<0||1<this.settings.captionsettings.nonvisibleopacity)throw"captionsettings.nonvisibleopacity must be in the interval [0, 1]";if(this.checkorconvertnumber(this.settings,"imagesanimationduration"),this.checkorconvertnumber(this.settings,"refreshtime"),this.checkorconvertnumber(this.settings,"refreshsensitivity"),"boolean"!==g.type(this.settings.randomize))throw"randomize must be a boolean";if("string"!==g.type(this.settings.selector))throw"selector must be a string";if(!1!==this.settings.sort&&!g.isfunction(this.settings.sort))throw"sort must be false or a comparison function";if(!1!==this.settings.filter&&!g.isfunction(this.settings.filter)&&"string"!==g.type(this.settings.filter))throw"filter must be false, a string or a filter function"},r.prototype.retrievesuffixranges=function(){var t=[];for(var i in this.settings.sizerangesuffixes)this.settings.sizerangesuffixes.hasownproperty(i)&&t.push(parseint(i,10));return t.sort(function(t,i){return i<t?1:t<i?-1:0}),t},r.prototype.updatesettings=function(t){this.settings=g.extend({},this.settings,t),this.checksettings(),this.border=0<=this.settings.border?this.settings.border:this.settings.margins,this.maxrowheight=this.retrievemaxrowheight(),this.suffixranges=this.retrievesuffixranges()},r.prototype.defaults={sizerangesuffixes:{},thumbnailpath:void 0,rowheight:120,maxrowheight:!1,margins:1,border:-1,lastrow:"nojustify",justifythreshold:.9,waitthumbnailsload:!0,captions:!0,cssanimation:!0,imagesanimationduration:500,captionsettings:{animationduration:500,visibleopacity:.7,nonvisibleopacity:0},rel:null,target:null,extension:/\.[^.\\/]+$/,refreshtime:200,refreshsensitivity:0,randomize:!1,rtl:!1,sort:!1,filter:!1,selector:"a, div:not(.spinner)",imgselector:"> img, > a > img",triggerevent:function(t){this.$gallery.trigger(t)}},g.fn.justifiedgallery=function(n){return this.each(function(t,i){var e=g(i);e.addclass("justified-gallery");var s=e.data("jg.controller");if(void 0===s){if(null!=n&&"object"!==g.type(n)){if("destroy"===n)return;throw"the argument must be an object"}s=new r(e,g.extend({},r.prototype.defaults,n)),e.data("jg.controller",s)}else if("norewind"===n);else{if("destroy"===n)return void s.destroy();s.updatesettings(n),s.rewind()}s.updateentries("norewind"===n)&&s.init()})}});