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9 lines
16 KiB
JavaScript
9 lines
16 KiB
JavaScript
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/**
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* lightgallery | 2.8.0-beta.3 | May 3rd 2024
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* http://www.lightgalleryjs.com/
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* Copyright (c) 2020 Sachin Neravath;
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* @license GPLv3
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*/
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!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self).lgZoom=t()}(this,(function(){"use strict";var e=function(){return(e=Object.assign||function(e){for(var t,o=1,i=arguments.length;o<i;o++)for(var s in t=arguments[o])Object.prototype.hasOwnProperty.call(t,s)&&(e[s]=t[s]);return e}).apply(this,arguments)},t={scale:1,zoom:!0,infiniteZoom:!0,actualSize:!0,showZoomInOutIcons:!1,actualSizeIcons:{zoomIn:"lg-zoom-in",zoomOut:"lg-zoom-out"},enableZoomAfter:300,zoomPluginStrings:{zoomIn:"Zoom in",zoomOut:"Zoom out",viewActualSize:"View actual size"}},o="lgContainerResize",i="lgBeforeOpen",s="lgAfterOpen",a="lgSlideItemLoad",n="lgAfterSlide",r="lgRotateLeft",l="lgRotateRight",c="lgFlipHorizontal",g="lgFlipVertical";return function(){function h(o,i){return this.core=o,this.$LG=i,this.settings=e(e({},t),this.core.settings),this}return h.prototype.buildTemplates=function(){var e=this.settings.showZoomInOutIcons?'<button id="'+this.core.getIdName("lg-zoom-in")+'" type="button" aria-label="'+this.settings.zoomPluginStrings.zoomIn+'" class="lg-zoom-in lg-icon"></button><button id="'+this.core.getIdName("lg-zoom-out")+'" type="button" aria-label="'+this.settings.zoomPluginStrings.zoomOut+'" class="lg-zoom-out lg-icon"></button>':"";this.settings.actualSize&&(e+='<button id="'+this.core.getIdName("lg-actual-size")+'" type="button" aria-label="'+this.settings.zoomPluginStrings.viewActualSize+'" class="'+this.settings.actualSizeIcons.zoomIn+' lg-icon"></button>'),this.core.outer.addClass("lg-use-transition-for-zoom"),this.core.$toolbar.first().append(e)},h.prototype.enableZoom=function(e){var t=this,o=this.settings.enableZoomAfter+e.detail.delay;this.$LG("body").first().hasClass("lg-from-hash")&&e.detail.delay?o=0:this.$LG("body").first().removeClass("lg-from-hash"),this.zoomableTimeout=setTimeout((function(){t.isImageSlide(t.core.index)&&(t.core.getSlideItem(e.detail.index).addClass("lg-zoomable"),e.detail.index===t.core.index&&t.setZoomEssentials())}),o+30)},h.prototype.enableZoomOnSlideItemLoad=function(){this.core.LGel.on(a+".zoom",this.enableZoom.bind(this))},h.prototype.getDragCords=function(e){return{x:e.pageX,y:e.pageY}},h.prototype.getSwipeCords=function(e){return{x:e.touches[0].pageX,y:e.touches[0].pageY}},h.prototype.getDragAllowedAxises=function(e,t){if(!this.containerRect)return{allowX:!1,allowY:!1};var o=this.core.getSlideItem(this.core.index).find(".lg-image").first().get(),i=0,s=0,a=o.getBoundingClientRect();e?(i=o.offsetHeight*e,s=o.offsetWidth*e):t?(i=a.height+t*a.height,s=a.width+t*a.width):(i=a.height,s=a.width);var n=i>this.containerRect.height;return{allowX:s>this.containerRect.width,allowY:n}},h.prototype.setZoomEssentials=function(){this.containerRect=this.core.$content.get().getBoundingClientRect()},h.prototype.zoomImage=function(e,t,o,i){if(!(Math.abs(t)<=0)){var s,a,n=this.containerRect.width/2+this.containerRect.left,r=this.containerRect.height/2+this.containerRect.top+this.scrollTop;1===e&&(this.positionChanged=!1);var l=this.getDragAllowedAxises(0,t),c=l.allowY,g=l.allowX;this.positionChanged&&(s=this.left/(this.scale-t),a=this.top/(this.scale-t),this.pageX=n-s,this.pageY=r-a,this.positionChanged=!1);var h,m,u=this.getPossibleSwipeDragCords(t),d=n-this.pageX,f=r-this.pageY;if(e-t>1){var p=(e-t)/Math.abs(t);h=(d=(t<0?-d:d)+this.left*(p+(t<0?-1:1)))/p,m=(f=(t<0?-f:f)+this.top*(p+(t<0?-1:1)))/p}else{h=d*(p=(e-t)*t),m=f*p}o&&(g?this.isBeyondPossibleLeft(h,u.minX)?h=u.minX:this.isBeyondPossibleRight(h,u.maxX)&&(h=u.maxX):e>1&&(h<u.minX?h=u.minX:h>u.maxX&&(h=u.maxX)),c?this.isBeyondPossibleTop(m,u.minY)?m=u.minY:this.isBeyondPossibleBottom(m,u.maxY)&&(m=u.maxY):e>1&&(m<u.minY?m=u.minY:m>u.maxY&&(m=u.maxY))),this.setZoomStyles({x:h,y:m,scale:e}),this.left=h,this.top=m,i&&this.setZoomImageSize()}},h.prototype.resetImageTranslate=function(e){if(this.isImageSlide(e)){var t=this.core.getSlideItem(e).find(".lg-image").first();this.imageReset=!1,t.removeClass("reset-transition reset-transi
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