nanogallery2/dist/jquery.nanogallery2.min.js

a modern photo / video gallery and lightbox

/* nanogallery2 - v2.4.2 - 2019-03-22 - https://nanogallery2.nanostudio.org */
/**!
 * @preserve nanogallery2 - javascript photo / video gallery and lightbox
 * Homepage: http://nanogallery2.nanostudio.org
 * Sources:  https://github.com/nanostudio-org/nanogallery2
 *
 * License:  GPLv3 and commercial licence
 * 
 * Requirements:
 *  - jQuery (http://www.jquery.com) - version >= 1.7.1
 *
 * Embeded components:
 *  - shifty (https://github.com/jeremyckahn/shifty)
 *  - imagesloaded (https://github.com/desandro/imagesloaded)
 *  - hammer.js (http://hammerjs.github.io/)
 *  - screenfull.js (https://github.com/sindresorhus/screenfull.js)
 * Tools:
 *  - webfont generated with http://fontello.com - mainly based on Font Awesome Copyright (C) 2012 by Dave Gandy (http://fontawesome.io/)
 *  - ICO online converter: https://iconverticons.com/online/
 */
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w=v.imageWidth/v.imageHeight,x=Math.floor(p*w);if(h&&(h=!1,f++,a=0,n=!1,o=!1,s=1),v.imageHeight>v.imageWidth?n=!0:o=!0,a+j+x<b-s*q){a+=x+j,g[f]=p;var y=Math.max(n?l:0,o?m:0);y>0&&(g[f]=Math.min(g[f],y)),e[f]=u}else{a+=j+x;var z=(b-s*q)/a,A=Math.floor(p*z);g[f]=A,n&&(l=Math.max(l,A)),o&&(m=Math.max(m,A)),e[f]=u,h=!0}i++,s++}}f=0,d=0,c=0,i=0,Kb.GOM.lastFullRow=0;for(var u=0;u<t;u++){var v=Kb.GOM.items[u];if(!(v.imageWidth>0))return!1;var w=v.imageWidth/v.imageHeight,x=Math.floor(w*g[f]);u==e[f]&&(e.length!=f+1?x=b-c-q:c+j+x+q>b&&(x=b-c-q));var B=parseInt(g[f]);x=parseInt(x),v.resizedContentWidth=x,v.resizedContentHeight=B,v.width=x+q,v.height=B+Kb.tn.labelHeight.get()+r,v.row=f,v.top=d;var C=c;Kb.O.RTL&&(C=b-c-v.width),v.left=C,c+=v.width+j,u==e[f]&&(d+=v.height+k,Kb.GOM.lastFullRow=f-1,f++,c=0),i++}var u,v;return Kb.GOM.displayArea.width=b,!0}function G(){for(var a=Kb.GOM.cache.areaWidth,b=Kb.tn.opt.Get("gutterHeight"),c=Kb.tn.opt.Get("gutterWidth"),d=2*Kb.tn.borderWidth,e=2*Kb.tn.borderHeight,f=Kb.GOM.items.length,g=0,h=0,i=0,j=0,k=0,l=Kb.tn.settings.getMosaic(),m=0;m<f;m++){var n=l[i],o=(n.c-1)*Kb.tn.defaultSize.getOuterWidth()+(n.c-1)*c,p=n.w*Kb.tn.defaultSize.getOuterWidth()+(n.w-1)*c;if(k=Math.max(k,o+p),j=Math.max(j,n.c-1+n.w),++i>=l.length)break}var q=(j-1)*c,r=Math.min((a-q)/(k-q),1);g=0,i=0;for(var l=Kb.tn.settings.getMosaic(),m=0;m<f;m++){var s=Kb.GOM.items[m],n=l[i];s.top=(n.r-1)*Kb.tn.defaultSize.getOuterHeight()*r+(n.r-1)*b+g*h+Kb.tn.labelHeight.get()*(n.r-1),g>0&&(s.top+=b),s.left=(n.c-1)*Kb.tn.defaultSize.getOuterWidth()*r+(n.c-1)*c,s.height=n.h*Kb.tn.defaultSize.getOuterHeight()*r+(n.h-1)*b+Kb.tn.labelHeight.get()*n.h,s.resizedContentHeight=s.height-Kb.tn.labelHeight.get()-e,s.width=n.w*Kb.tn.defaultSize.getOuterWidth()*r+(n.w-1)*c,s.resizedContentWidth=s.width-d,s.row=g,0==g&&(h=Math.max(h,s.top+s.height)),i++,i>=l.length&&(i=0,g++)}return Kb.GOM.displayArea.width=(k-q)*r+q,!0}function H(){var a=0,b=0,c=Kb.GOM.cache.areaWidth,d=0,e=Kb.tn.opt.Get("gutterHeight"),f=Y(c),g=0,h=[],i=0,j=c,k=Kb.tn.defaultSize.getOuterWidth(),l=1,m=Kb.GOM.items.length,n=2*Kb.tn.borderWidth,o=2*Kb.tn.borderHeight;if("justified"==Kb.O.thumbnailAlignment?(f=Math.min(f,m),d=1==f?0:(c-f*k)/(f-1)):d=Kb.tn.opt.Get("gutterWidth"),Kb.O.RTL||"fillWidth"==Kb.O.thumbnailAlignment){var p=(f-1)*d;l=(c-p)/(f*k),l>1&&f++,p=(f-1)*d,l=Math.min((c-p)/(f*k),1),j=f*k+p}Kb.GOM.lastFullRow=0;var q=0;k*=l;for(var r=k-n,s=Kb.tn.defaultSize.getOuterHeight()*l+Kb.tn.labelHeight.get(),t=Kb.tn.defaultSize.getOuterHeight()*l-o,u=0;u<m;u++){0==b?(a=i*(k+d),h[i]=a,g=a+k):a=h[i];var v=a;Kb.O.RTL&&(v=parseInt(j)-a-k);var w=Kb.GOM.items[u];w.top=b,w.left=v,w.height=s,w.width=k,"fillWidth"==Kb.O.thumbnailAlignment&&(w.resizedContentWidth=r,w.resizedContentHeight=t),w.row=q,b,i++,i>=f&&(i=0,b+=s+e,Kb.GOM.lastFullRow=q,q++)}return Kb.GOM.displayArea.width=g,!0}function I(a){null==Kb.CSStransformName?Kb.$E.conTn.css("left","0px"):Kb.$E.conTn.css(Kb.CSStransformName,"none"),J()}function J(){Kb.GOM.cache.viewport=e(),Kb.GOM.cache.areaWidth=Kb.$E.conTnParent.width(),Kb.GOM.cache.containerOffset=Kb.$E.conTnParent.offset()}function K(a){var b=Kb.GOM.items.length;Kb.GOM.itemsDisplayed=0;var c=50,d=0;w();for(var e=0;e<b;e++){var f=Kb.GOM.items[e];e>=Kb.GOM.displayInterval.from&&d<Kb.GOM.displayInterval.len?(f.inDisplayArea=!0,a&&(f.neverDisplayed=!0),Kb.GOM.itemsDisplayed++,d++):f.inDisplayArea=!1}n();var g=[],h=[];Kb.GOM.clipArea.top=-1,d=0;var i=-1;Kb.GOM.clipArea.height=0;for(var e=0;e<b;e++){var f=Kb.GOM.items[e];if(f.inDisplayArea){if(-1==Kb.GOM.clipArea.top&&(Kb.GOM.clipArea.top=f.top),f.top-Kb.GOM.clipArea.top<=-1&&(Kb.GOM.clipArea.top=f.top),Kb.GOM.clipArea.height=Math.max(Kb.GOM.clipArea.height,f.top-Kb.GOM.clipArea.top+f.height),f.neverDisplayed){var j=Kb.GOM.cache.containerOffset.top+(f.top-Kb.GOM.clipArea.top);if(j+f.height>=Kb.GOM.cache.viewport.t-c&&j<=Kb.GOM.cache.viewport.t+Kb.GOM.cache.viewport.h+c){var k=Kb.I[f.thumbnailIdx];null==k.$elt&&T(k,f.thumbnailIdx,e,e+1==b),g.push({idx:e,delay:d}),d++}}else h.push({idx:e,delay:0});i=e}else{f.displayed=!1;var k=Kb.I[f.thumbnailIdx];null!=k.$elt&&k.$elt.css({opacity:0,display:"none"})}}var l=Kb.$E.conTnParent.width();if(Kb.GOM.displayArea.width==Kb.GOM.displayAreaLast.width&&Kb.GOM.clipArea.height==Kb.GOM.displayAreaLast.height||(Kb.$E.conTn.width(Kb.GOM.displayArea.width).height(Kb.GOM.clipArea.height),Kb.GOM.displayAreaLast.width=Kb.GOM.displayArea.width,Kb.GOM.displayAreaLast.height=Kb.GOM.clipArea.height),l!=Kb.$E.conTnParent.width())return Kb.GOM.cache.areaWidth=Kb.$E.conTnParent.width(),D(),I(a),void K(a);if(Kb.layout.support.rows&&("ROWS"==Kb.galleryDisplayMode.Get()||"FULLCONTENT"==Kb.galleryDisplayMode.Get()&&Kb.galleryLastRowFull.Get()&&-1!=Kb.GOM.lastFullRow)&&(Kb.GOM.lastDisplayedIdxNew=i<b-1?i:-1,-1!=Kb.GOM.lastDisplayedIdx)){var k=Kb.I[Kb.GOM.items[Kb.GOM.lastDisplayedIdx].thumbnailIdx];k.$getElt(".nGY2GThumbnailIconsFullThumbnail").html("")}var m=g.length;Kb.GOM.thumbnails2Display=[];for(var e=0;e<m;e++)L(g[e].idx,e);for(var o=h.length,e=0;e<o;e++)L(h[e].idx,e);aa(),"NONE"==Kb.tn.opt.Get("displayTransition")?(Kb.galleryResizeEventEnabled=!0,wb("galleryDisplayed")):requestTimeout(function(){Kb.galleryResizeEventEnabled=!0,wb("galleryDisplayed")},m*Kb.tn.opt.Get("displayInterval"))}function L(a,b){var c=0,d=Kb.GOM.items[a],e=Kb.GOM.items[a].thumbnailIdx,f=Kb.I[e];if(d.neverDisplayed){var g=d.top-Kb.GOM.clipArea.top;if(Kb.tn.opt.Get("stacks")>0?(f.$elt.last().css({display:"block"}),f.$elt.css({top:g,left:d.left})):f.$elt.css({display:"block",top:g,left:d.left}),c=g,!0===Kb.O.thumbnailWaitImageLoaded){ngimagesLoaded(f.$getElt(".nGY2TnImg2")).on("progress",function(a,b){if(b.isLoaded){if(b.img.getAttribute("data-albumidx")==Kb.GOM.albumIdx){var c=b.img.getAttribute("data-idx");Kb.I[c].ThumbnailImageReveal()}}})}Z(a,b),d.displayed=!0,d.neverDisplayed=!1}else{var h=Kb.GOM.cache.containerOffset.top+f.top,g=Kb.GOM.cache.containerOffset.top+(d.top-Kb.GOM.clipArea.top);c=d.top-Kb.GOM.clipArea.top;var i=Kb.GOM.cache.viewport;if(Kb.O.thumbnailDisplayOutsideScreen||h+d.height>=i.t-i.h&&h<=i.t+4*i.h||g+d.height>=i.t-i.h&&g<=i.t+4*i.h)if(d.displayed){if(f.top!=d.top||f.left!=d.left)if(1==Kb.O.galleryResizeAnimation){var j=new NGTweenable;j.tween({from:{top:f.top,left:f.left,height:f.height,width:f.width},to:{top:c,left:d.left,height:d.height,width:d.width},attachment:{$e:f.$elt},duration:100,delay:b*Kb.tn.opt.Get("displayInterval")/5,easing:"easeOutQuart",step:function(a,b){b.$e.css(a)},finish:function(a,b){this.dispose()}})}else f.$elt.css({top:c,left:d.left})}else d.displayed=!0,f.$elt.css({display:"block",top:c,left:d.left,opacity:1}),$(f);else d.displayed=!1,f.$elt.css({display:"none"})}if(f.left=d.left,f.top=c,f.width==d.width&&f.height==d.height||(f.$elt.css({width:d.width,height:d.height}),f.width=d.width,f.height=d.height,f.resizedContentWidth==d.resizedContentWidth&&f.resizedContentHeight==d.resizedContentHeight||("albumUp"==f.kind||(f.$getElt(".nGY2GThumbnailImage").css({height:d.resizedContentHeight,width:d.resizedContentWidth}),"JUSTIFIED"==Kb.layout.engine&&f.$getElt(".nGY2GThumbnailImg").css({height:d.resizedContentHeight,width:d.resizedContentWidth})),f.resizedContentWidth=d.resizedContentWidth,f.resizedContentHeight=d.resizedContentHeight)),Kb.GOM.lastDisplayedIdxNew==a&&Kb.layout.support.rows&&("ROWS"==Kb.galleryDisplayMode.Get()&&Kb.galleryMaxRows.Get()>0||"FULLCONTENT"==Kb.galleryDisplayMode.Get()&&Kb.galleryLastRowFull.Get()&&-1!=Kb.GOM.lastFullRow)){var k=Kb.GOM.items.length-a-1;"0"!=f.albumID&&Kb.O.thumbnailLevelUp&&k--,k>0?((Kb.O.thumbnailOpenImage||Kb.O.thumbnailSliderDelay>0)&&f.$getElt(".nGY2GThumbnailIconsFullThumbnail").html("+"+k),Kb.GOM.slider.hostItem!=Kb.GOM.NGY2Item(a)&&(P(Kb.GOM.slider.hostItem),Kb.GOM.slider.hostIdx=a,Kb.GOM.slider.hostItem=Kb.GOM.NGY2Item(a),Kb.GOM.slider.nextIdx=a,Kb.GOM.slider.currentIdx=a,M())):(P(Kb.GOM.slider.hostItem),Kb.GOM.slider.hostIdx=-1),Kb.GOM.lastDisplayedIdx=a}}function M(){if(0!=Kb.O.thumbnailSliderDelay&&-1!=Kb.GOM.slider.hostIdx){clearTimeout(Kb.GOM.slider.timerID);var a=Kb.GOM.slider.hostItem;0==a.$getElt(".nGY2TnImgNext").length&&(a.$getElt(".nGY2TnImg").clone().removeClass("nGY2TnImg").addClass("nGY2TnImgNext").insertAfter(a.$getElt(".nGY2TnImg")),a.$getElt(".nGY2TnImgBack").clone().removeClass("nGY2TnImgBack").addClass("nGY2TnImgBackNext").insertAfter(a.$getElt(".nGY2TnImg",!0)),a.$getElt(".nGY2GThumbnailImage",!0),a.$getElt(".nGY2GThumbnailImg",!0)),a.CSSTransformSet(".nGY2TnImgNext","translateX","100%",!0),a.CSSTransformApply(".nGY2TnImgNext"),a.CSSTransformSet(".nGY2TnImgBackNext","translateX","100%",!0),a.CSSTransformApply(".nGY2TnImgBackNext"),N(),Kb.GOM.slider.timerID=requestTimeout(function(){O()},Kb.O.thumbnailSliderDelay)}}function N(){++Kb.GOM.slider.nextIdx>=Kb.GOM.items.length&&(Kb.GOM.slider.nextIdx=Kb.GOM.slider.hostIdx);var a=Kb.GOM.NGY2Item(Kb.GOM.slider.nextIdx),b=(Kb.emptyGif,"url('"+Kb.emptyGif+"')");null!=a.imageDominantColors&&(a.imageDominantColors,b="url('"+a.imageDominantColors+"')"),Kb.GOM.slider.hostItem.$getElt(".nGY2TnImgBackNext",!0).css({"background-image":b,opacity:1}),Kb.GOM.slider.hostItem.$getElt(".nGY2TnImgNext",!0).css({"background-image":"url('"+a.thumbImg().src+"')",opacity:1}),Kb.GOM.slider.hostItem.$getElt(".nGY2TnImgNext .nGY2GThumbnailImg",!0).attr("src",a.thumbImg().src)}function O(){if(null!=Kb.GOM.slider.hostItem.$getElt()){var a=new NGTweenable;Kb.GOM.slider.tween=a,a.tween({from:{left:100},to:{left:0},duration:800,delay:0,easing:"easeOutQuart",step:function(a){if(null==Kb.GOM.slider.hostItem.$getElt())return void 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P(a){if(-1!=Kb.GOM.slider.hostIdx){null!=Kb.GOM.slider.tween&&1==Kb.GOM.slider.tween._isTweening&&Kb.GOM.slider.tween.stop(!1);var b="url('"+Kb.emptyGif+"')";if(null!=a.imageDominantColors&&(b="url('"+a.imageDominantColors+"')"),Kb.GOM.slider.hostItem.$getElt(".nGY2TnImgBack").css("background-image",b),Kb.GOM.slider.hostItem.$getElt(".nGY2TnImg").css("background-image","url('"+a.thumbImg().src+"')"),Kb.GOM.slider.hostItem.$getElt(".nGY2TnImg 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