481850aefe
Fixes #28
10 lines
No EOL
37 KiB
JavaScript
10 lines
No EOL
37 KiB
JavaScript
/*!
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* Viewer.js v1.11.3
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* https://fengyuanchen.github.io/viewerjs
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*
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* Copyright 2015-present Chen Fengyuan
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* Released under the MIT license
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*
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* Date: 2023-03-05T07:01:17.741Z
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*/
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!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t="undefined"!=typeof globalThis?globalThis:t||self).Viewer=e()}(this,function(){"use strict";function s(e,t){var i,n=Object.keys(e);return Object.getOwnPropertySymbols&&(i=Object.getOwnPropertySymbols(e),t&&(i=i.filter(function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable})),n.push.apply(n,i)),n}function q(n){for(var t=1;t<arguments.length;t++){var o=null!=arguments[t]?arguments[t]:{};t%2?s(Object(o),!0).forEach(function(t){var e,i;e=n,i=o[t=t],(t=l(t))in e?Object.defineProperty(e,t,{value:i,enumerable:!0,configurable:!0,writable:!0}):e[t]=i}):Object.getOwnPropertyDescriptors?Object.defineProperties(n,Object.getOwnPropertyDescriptors(o)):s(Object(o)).forEach(function(t){Object.defineProperty(n,t,Object.getOwnPropertyDescriptor(o,t))})}return n}function n(t){return(n="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function r(t,e){for(var i=0;i<e.length;i++){var n=e[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,l(n.key),n)}}function l(t){t=function(t,e){if("object"!=typeof t||null===t)return t;var i=t[Symbol.toPrimitive];if(void 0===i)return("string"===e?String:Number)(t);if("object"!=typeof(i=i.call(t,e||"default")))return i;throw new TypeError("@@toPrimitive must return a primitive value.")}(t,"string");return"symbol"==typeof t?t:String(t)}var W={backdrop:!0,button:!0,navbar:!0,title:!0,toolbar:!0,className:"",container:"body",filter:null,fullscreen:!0,inheritedAttributes:["crossOrigin","decoding","isMap","loading","referrerPolicy","sizes","srcset","useMap"],initialCoverage:.9,initialViewIndex:0,inline:!1,interval:5e3,keyboard:!0,focus:!0,loading:!0,loop:!0,minWidth:200,minHeight:100,movable:!0,rotatable:!0,scalable:!0,zoomable:!0,zoomOnTouch:!0,zoomOnWheel:!0,slideOnTouch:!0,toggleOnDblclick:!0,tooltip:!0,transition:!0,zIndex:2015,zIndexInline:0,zoomRatio:.1,minZoomRatio:.01,maxZoomRatio:100,url:"src",ready:null,show:null,shown:null,hide:null,hidden:null,view:null,viewed:null,move:null,moved:null,rotate:null,rotated:null,scale:null,scaled:null,zoom:null,zoomed:null,play:null,stop:null},t="undefined"!=typeof window&&void 0!==window.document,e=t?window:{},a=!(!t||!e.document.documentElement)&&"ontouchstart"in e.document.documentElement,i=t&&"PointerEvent"in 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t}var dt=Number.isNaN||e.isNaN;function E(t){return"number"==typeof t&&!dt(t)}function D(t){return void 0===t}function o(t){return"object"===n(t)&&null!==t}var mt=Object.prototype.hasOwnProperty;function S(t){if(!o(t))return!1;try{var e=t.constructor,i=e.prototype;return e&&i&&mt.call(i,"isPrototypeOf")}catch(t){return!1}}function I(t){return"function"==typeof t}function A(e,i){if(e&&I(i))if(Array.isArray(e)||E(e.length))for(var t=e.length,n=0;n<t&&!1!==i.call(e,e[n],n,e);n+=1);else o(e)&&Object.keys(e).forEach(function(t){i.call(e,e[t],t,e)})}var O=Object.assign||function(i){for(var t=arguments.length,e=new Array(1<t?t-1:0),n=1;n<t;n++)e[n-1]=arguments[n];return o(i)&&0<e.length&&e.forEach(function(e){o(e)&&Object.keys(e).forEach(function(t){i[t]=e[t]})}),i},gt=/^(?:width|height|left|top|marginLeft|marginTop)$/;function C(t,e){var i=t.style;A(e,function(t,e){gt.test(e)&&E(t)&&(t+="px"),i[e]=t})}function L(t,e){return 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Y(i,t,n,e){var o=3<arguments.length&&void 0!==e?e:{},s=n;t.trim().split(ct).forEach(function(t){var e;yt||(e=i.listeners)&&e[t]&&e[t][n]&&(s=e[t][n],delete e[t][n],0===Object.keys(e[t]).length&&delete e[t],0===Object.keys(e).length)&&delete i.listeners,i.removeEventListener(t,s,o)})}function X(s,t,a,e){var r=3<arguments.length&&void 0!==e?e:{},l=a;t.trim().split(ct).forEach(function(n){var t,o;r.once&&!yt&&(t=s.listeners,l=function(){delete o[n][a],s.removeEventListener(n,l,r);for(var t=arguments.length,e=new Array(t),i=0;i<t;i++)e[i]=arguments[i];a.apply(s,e)},(o=void 0===t?{}:t)[n]||(o[n]={}),o[n][a]&&s.removeEventListener(n,o[n][a],r),o[n][a]=l,s.listeners=o),s.addEventListener(n,l,r)})}function P(t,e,i,n){var o;return I(Event)&&I(CustomEvent)?o=new CustomEvent(e,q({bubbles:!0,cancelable:!0,detail:i},n)):(o=document.createEvent("CustomEvent")).initCustomEvent(e,!0,!0,i),t.dispatchEvent(o)}function xt(t){var 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t,e=this.options,i=this.parent;e.inline&&(t={width:Math.max(i.offsetWidth,e.minWidth),height:Math.max(i.offsetHeight,e.minHeight)},this.parentData=t),!this.fulled&&t||(t=this.containerData),this.viewerData=O({},t)},renderViewer:function(){this.options.inline&&!this.fulled&&C(this.viewer,this.viewerData)},initList:function(){var r=this,t=this.element,l=this.options,h=this.list,c=[];h.innerHTML="",A(this.images,function(i,t){var e,n,o=i.src,s=i.alt||(T(s=o)?decodeURIComponent(s.replace(/^.*\//,"").replace(/[?&#].*$/,"")):""),a=r.getImageURL(i);(o||a)&&(e=document.createElement("li"),n=document.createElement("img"),A(l.inheritedAttributes,function(t){var 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t,l=this,h=this.options,e=this.image,i=this.viewerData,n=this.footer.offsetHeight,c=i.width,u=Math.max(i.height-n,n),d=this.imageData||{};this.imageInitializing={abort:function(){t.onload=null}},t=zt(e,h,function(t,e){var i=t/e,n=Math.max(0,Math.min(1,h.initialCoverage)),o=c,s=u,n=(l.imageInitializing=!1,c<u*i?s=c/i:o=u*i,n=E(n)?n:.9,o=Math.min(o*n,t),s=Math.min(s*n,e),(c-o)/2),a=(u-s)/2,n={left:n,top:a,x:n,y:a,width:o,height:s,oldRatio:1,ratio:o/t,aspectRatio:i,naturalWidth:t,naturalHeight:e},a=O({},n);h.rotatable&&(n.rotate=d.rotate||0,a.rotate=0),h.scalable&&(n.scaleX=d.scaleX||1,n.scaleY=d.scaleY||1,a.scaleX=1,a.scaleY=1),l.imageData=n,l.initialImageData=a,r&&r()})},renderImage:function(t){var e,i=this,n=this.image,o=this.imageData;C(n,O({width:o.width,height:o.height,marginLeft:o.x,marginTop:o.y},xt(o))),t&&((this.viewing||this.moving||this.rotating||this.scaling||this.zooming)&&this.options.transition&&L(n,m)?(e=function(){i.imageRendering=!1,t()},this.imageRendering={abort:function(){Y(n,k,e)}},X(n,k,e,{once:!0})):t())},resetImage:function(){var t;(this.viewing||this.viewed)&&(t=this.image,this.viewing&&this.viewing.abort(),t.parentNode.removeChild(t),this.image=null)}},t={bind:function(){var t=this.options,e=this.viewer,i=this.canvas,n=this.element.ownerDocument;X(e,w,this.onClick=this.click.bind(this)),X(e,tt,this.onDragStart=this.dragstart.bind(this)),X(i,nt,this.onPointerDown=this.pointerdown.bind(this)),X(n,ot,this.onPointerMove=this.pointermove.bind(this)),X(n,st,this.onPointerUp=this.pointerup.bind(this)),X(n,it,this.onKeyDown=this.keydown.bind(this)),X(window,at,this.onResize=this.resize.bind(this)),t.zoomable&&t.zoomOnWheel&&X(e,rt,this.onWheel=this.wheel.bind(this),{passive:!1,capture:!0}),t.toggleOnDblclick&&X(i,Q,this.onDblclick=this.dblclick.bind(this))},unbind:function(){var t=this.options,e=this.viewer,i=this.canvas,n=this.element.ownerDocument;Y(e,w,this.onClick),Y(e,tt,this.onDragStart),Y(i,nt,this.onPointerDown),Y(n,ot,this.onPointerMove),Y(n,st,this.onPointerUp),Y(n,it,this.onKeyDown),Y(window,at,this.onResize),t.zoomable&&t.zoomOnWheel&&Y(e,rt,this.onWheel,{passive:!1,capture:!0}),t.toggleOnDblclick&&Y(i,Q,this.onDblclick)}},St={click:function(t){var e=this.options,i=this.imageData,n=t.target,o=N(n,ht);switch(o||"img"!==n.localName||"li"!==n.parentElement.localName||(o=N(n=n.parentElement,ht)),a&&t.isTrusted&&n===this.canvas&&clearTimeout(this.clickCanvasTimeout),o){case"mix":this.played?this.stop():e.inline?this.fulled?this.exit():this.full():this.hide();break;case"hide":this.pointerMoved||this.hide();break;case"view":this.view(N(n,"index"));break;case"zoom-in":this.zoom(.1,!0);break;case"zoom-out":this.zoom(-.1,!0);break;case"one-to-one":this.toggle();break;case"reset":this.reset();break;case"prev":this.prev(e.loop);break;case"play":this.play(e.fullscreen);break;case"next":this.next(e.loop);break;case"rotate-left":this.rotate(-90);break;case"rotate-right":this.rotate(90);break;case"flip-horizontal":this.scaleX(-i.scaleX||-1);break;case"flip-vertical":this.scaleY(-i.scaleY||-1);break;default:this.played&&this.stop()}},dblclick:function(t){t.preventDefault(),this.viewed&&t.target===this.image&&(a&&t.isTrusted&&clearTimeout(this.doubleClickImageTimeout),this.toggle(t.isTrusted?t:t.detail&&t.detail.originalEvent))},load:function(){var t=this,e=(this.timeout&&(clearTimeout(this.timeout),this.timeout=!1),this.element),i=this.options,n=this.image,o=this.index,s=this.viewerData;M(n,p),i.loading&&M(this.canvas,b),n.style.cssText="height:0;"+"margin-left:".concat(s.width/2,"px;")+"margin-top:".concat(s.height/2,"px;")+"max-width:none!important;position:relative;width:0;",this.initImage(function(){F(n,G,i.movable),F(n,m,i.transition),t.renderImage(function(){t.viewed=!0,t.viewing=!1,I(i.viewed)&&X(e,z,i.viewed,{once:!0}),P(e,z,{originalImage:t.images[o],index:o,image:n},{cancelable:!1})})})},loadImage:function(t){var n=t.target,t=n.parentNode,o=t.offsetWidth||30,s=t.offsetHeight||50,a=!!N(n,"filled");zt(n,this.options,function(t,e){var t=t/e,e=o,i=s;o<s*t?a?e=s*t:i=o/t:a?i=o/t:e=s*t,C(n,O({width:e,height:i},xt({translateX:(o-e)/2,translateY:(s-i)/2})))})},keydown:function(t){var e=this.options;if(e.keyboard){var i=t.keyCode||t.which||t.charCode;if(13===i&&this.viewer.contains(t.target)&&this.click(t),this.fulled)switch(i){case 27:this.played?this.stop():e.inline?this.fulled&&this.exit():this.hide();break;case 32:this.played&&this.stop();break;case 37:this.played&&this.playing?this.playing.prev():this.prev(e.loop);break;case 38:t.preventDefault(),this.zoom(e.zoomRatio,!0);break;case 39:this.played&&this.playing?this.playing.next():this.next(e.loop);break;case 40:t.preventDefault(),this.zoom(-e.zoomRatio,!0);break;case 48:case 49:t.ctrlKey&&(t.preventDefault(),this.toggle())}}},dragstart:function(t){"img"===t.target.localName&&t.preventDefault()},pointerdown:function(t){var e=this.options,i=this.pointers,n=t.buttons,o=t.button;this.pointerMoved=!1,!this.viewed||this.showing||this.viewing||this.hiding||("mousedown"===t.type||"pointerdown"===t.type&&"mouse"===t.pointerType)&&(E(n)&&1!==n||E(o)&&0!==o||t.ctrlKey)||(t.preventDefault(),t.changedTouches?A(t.changedTouches,function(t){i[t.identifier]=Et(t)}):i[t.pointerId||0]=Et(t),n=!!e.movable&&h,e.zoomOnTouch&&e.zoomable&&1<Object.keys(i).length?n=c:e.slideOnTouch&&("touch"===t.pointerType||"touchstart"===t.type)&&this.isSwitchable()&&(n=j),!e.transition||n!==h&&n!==c||M(this.image,m),this.action=n)},pointermove:function(t){var e=this.pointers,i=this.action;this.viewed&&i&&(t.preventDefault(),t.changedTouches?A(t.changedTouches,function(t){O(e[t.identifier]||{},Et(t,!0))}):O(e[t.pointerId||0]||{},Et(t,!0)),this.change(t))},pointerup:function(t){var e,i=this,n=this.options,o=this.action,s=this.pointers;t.changedTouches?A(t.changedTouches,function(t){e=s[t.identifier],delete s[t.identifier]}):(e=s[t.pointerId||0],delete s[t.pointerId||0]),o&&(t.preventDefault(),!n.transition||o!==h&&o!==c||R(this.image,m),this.action=!1,a)&&o!==c&&e&&Date.now()-e.timeStamp<500&&(clearTimeout(this.clickCanvasTimeout),clearTimeout(this.doubleClickImageTimeout),n.toggleOnDblclick&&this.viewed&&t.target===this.image?this.imageClicked?(this.imageClicked=!1,this.doubleClickImageTimeout=setTimeout(function(){P(i.image,Q,{originalEvent:t})},50)):(this.imageClicked=!0,this.doubleClickImageTimeout=setTimeout(function(){i.imageClicked=!1},500)):(this.imageClicked=!1,n.backdrop&&"static"!==n.backdrop&&t.target===this.canvas&&(this.clickCanvasTimeout=setTimeout(function(){P(i.canvas,w,{originalEvent:t})},50))))},resize:function(){var e=this;this.isShown&&!this.hiding&&(this.fulled&&(this.close(),this.initBody(),this.open()),this.initContainer(),this.initViewer(),this.renderViewer(),this.renderList(),this.viewed&&this.initImage(function(){e.renderImage()}),this.played)&&(this.options.fullscreen&&this.fulled&&!(document.fullscreenElement||document.webkitFullscreenElement||document.mozFullScreenElement||document.msFullscreenElement)?this.stop():A(this.player.getElementsByTagName("img"),function(t){X(t,y,e.loadImage.bind(e),{once:!0}),P(t,y)}))},wheel:function(t){var e,i,n=this;this.viewed&&(t.preventDefault(),this.wheeling||(this.wheeling=!0,setTimeout(function(){n.wheeling=!1},50),e=Number(this.options.zoomRatio)||.1,i=1,t.deltaY?i=0<t.deltaY?1:-1:t.wheelDelta?i=-t.wheelDelta/120:t.detail&&(i=0<t.detail?1:-1),this.zoom(-i*e,!0,null,t)))}},It={show:function(){var t,e,i=0<arguments.length&&void 0!==arguments[0]&&arguments[0],n=this.element,o=this.options;return 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