sd-view-img/dist/sd-view-img.js

sundun bsp 图片预览组件

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this.moveTo(c(e)?e:i.x+Number(e),c(t)?t:i.y+Number(t)),this},moveTo:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:e,n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,o=this.element,r=this.options,a=this.imageData;if(e=Number(e),i=Number(i),this.viewed&&!this.played&&r.movable){var s=a.x,c=a.y,h=!1;if(l(e)?h=!0:e=s,l(i)?h=!0:i=c,h){if(d(r.move)&&A(o,"move",r.move,{once:!0}),!1===T(o,"move",{x:e,y:i,oldX:s,oldY:c,originalEvent:n}))return this;a.x=e,a.y=i,a.left=e,a.top=i,this.moving=!0,this.renderImage(function(){t.moving=!1,d(r.moved)&&A(o,"moved",r.moved,{once:!0}),T(o,"moved",{x:e,y:i,oldX:s,oldY:c,originalEvent:n},{cancelable:!1})})}}return this},rotate:function(e){return this.rotateTo((this.imageData.rotate||0)+Number(e)),this},rotateTo:function(e){var t=this,i=this.element,n=this.options,o=this.imageData;if(e=Number(e),l(e)&&this.viewed&&!this.played&&n.rotatable){var r=o.rotate;if(d(n.rotate)&&A(i,"rotate",n.rotate,{once:!0}),!1===T(i,"rotate",{degree:e,oldDegree:r}))return this;o.rotate=e,this.rotating=!0,this.renderImage(function(){t.rotating=!1,d(n.rotated)&&A(i,"rotated",n.rotated,{once:!0}),T(i,"rotated",{degree:e,oldDegree:r},{cancelable:!1})})}return this},scaleX:function(e){return this.scale(e,this.imageData.scaleY),this},scaleY:function(e){return this.scale(this.imageData.scaleX,e),this},scale:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:e,n=this.element,o=this.options,r=this.imageData;if(e=Number(e),i=Number(i),this.viewed&&!this.played&&o.scalable){var a=r.scaleX,s=r.scaleY,c=!1;if(l(e)?c=!0:e=a,l(i)?c=!0:i=s,c){if(d(o.scale)&&A(n,"scale",o.scale,{once:!0}),!1===T(n,"scale",{scaleX:e,scaleY:i,oldScaleX:a,oldScaleY:s}))return this;r.scaleX=e,r.scaleY=i,this.scaling=!0,this.renderImage(function(){t.scaling=!1,d(o.scaled)&&A(n,"scaled",o.scaled,{once:!0}),T(n,"scaled",{scaleX:e,scaleY:i,oldScaleX:a,oldScaleY:s},{cancelable:!1})})}}return this},zoom:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,n=this.imageData;return e=Number(e),e=e<0?1/(1-e):1+e,this.zoomTo(n.width*e/n.naturalWidth,t,i),this},zoomTo:function(e){var t=this,i=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,o=arguments.length>3&&void 0!==arguments[3]&&arguments[3],r=this.element,a=this.options,s=this.pointers,c=this.imageData,h=c.x,u=c.y,f=c.width,v=c.height,m=c.naturalWidth,p=c.naturalHeight;if(e=Math.max(0,e),l(e)&&this.viewed&&!this.played&&(o||a.zoomable)){if(!o){var g=Math.max(.01,a.minZoomRatio),w=Math.min(100,a.maxZoomRatio);e=Math.min(Math.max(e,g),w)}if(n)switch(n.type){case"wheel":a.zoomRatio>=.055&&e>.95&&e<1.05&&(e=1);break;case"pointermove":case"touchmove":case"mousemove":e>.99&&e<1.01&&(e=1)}var b=m*e,y=p*e,x=b-f,k=y-v,z=c.ratio;if(d(a.zoom)&&A(r,"zoom",a.zoom,{once:!0}),!1===T(r,"zoom",{ratio:e,oldRatio:z,originalEvent:n}))return this;if(this.zooming=!0,n){var E=D(this.viewer),C=s&&Object.keys(s).length>0?R(s):{pageX:n.pageX,pageY:n.pageY};c.x-=x*((C.pageX-E.left-h)/f),c.y-=k*((C.pageY-E.top-u)/v)}else c.x-=x/2,c.y-=k/2;c.left=c.x,c.top=c.y,c.width=b,c.height=y,c.oldRatio=z,c.ratio=e,this.renderImage(function(){t.zooming=!1,d(a.zoomed)&&A(r,"zoomed",a.zoomed,{once:!0}),T(r,"zoomed",{ratio:e,oldRatio:z,originalEvent:n},{cancelable:!1})}),i&&this.tooltip()}return this},play:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];if(!this.isShown||this.played)return this;var i=this.element,n=this.options;if(d(n.play)&&A(i,"play",n.play,{once:!0}),!1===T(i,"play"))return this;var o=this.player,r=this.loadImage.bind(this),a=[],s=0,c=0;if(this.played=!0,this.onLoadWhenPlay=r,t&&this.requestFullscreen(t),g(o,ee),f(this.items,function(e,t){var i=e.querySelector("img"),l=document.createElement("img");l.src=x(i,"originalUrl"),l.alt=i.getAttribute("alt"),l.referrerPolicy=i.referrerPolicy,s+=1,g(l,B),b(l,te,n.transition),p(e,j)&&(g(l,_),c=t),a.push(l),A(l,"load",r,{once:!0}),o.appendChild(l)}),l(n.interval)&&n.interval>0){s>1&&function t(){e.playing=setTimeout(function(){w(a[c],_),c+=1,c=c<s?c:0,g(a[c],_),t()},n.interval)}()}return this},stop:function(){var e=this;if(!this.played)return this;var t=this.element,i=this.options;if(d(i.stop)&&A(t,"stop",i.stop,{once:!0}),!1===T(t,"stop"))return this;var n=this.player;return this.played=!1,clearTimeout(this.playing),f(n.getElementsByTagName("img"),function(t){z(t,"load",e.onLoadWhenPlay)}),w(n,ee),n.innerHTML="",this.exitFullscreen(),this},full:function(){var e=this,t=this.options,i=this.viewer,n=this.image,o=this.list;return!this.isShown||this.played||this.fulled||!t.inline?this:(this.fulled=!0,this.open(),g(this.button,W),t.transition&&(w(o,te),this.viewed&&w(n,te)),g(i,q),i.setAttribute("role","dialog"),i.setAttribute("aria-labelledby",this.title.id),i.setAttribute("aria-modal",!0),i.removeAttribute("style"),v(i,{zIndex:t.zIndex}),t.focus&&this.enforceFocus(),this.initContainer(),this.viewerData=fe({},this.containerData),this.renderList(),this.viewed&&this.initImage(function(){e.renderImage(function(){t.transition&&setTimeout(function(){g(n,te),g(o,te)},0)})}),this)},exit:function(){var e=this,t=this.options,i=this.viewer,n=this.image,o=this.list;return this.isShown&&!this.played&&this.fulled&&t.inline?(this.fulled=!1,this.close(),w(this.button,W),t.transition&&(w(o,te),this.viewed&&w(n,te)),t.focus&&this.clearEnforceFocus(),i.removeAttribute("role"),i.removeAttribute("aria-labelledby"),i.removeAttribute("aria-modal"),w(i,q),v(i,{zIndex:t.zIndexInline}),this.viewerData=fe({},this.parentData),this.renderViewer(),this.renderList(),this.viewed&&this.initImage(function(){e.renderImage(function(){t.transition&&setTimeout(function(){g(n,te),g(o,te)},0)})}),this):this},tooltip:function(){var e=this,t=this.options,i=this.tooltipBox,n=this.imageData;return this.viewed&&!this.played&&t.tooltip?(i.textContent="".concat(Math.round(100*n.ratio),"%"),this.tooltipping?clearTimeout(this.tooltipping):t.transition?(this.fading&&T(i,"transitionend"),g(i,ee),g(i,B),g(i,te),i.removeAttribute("aria-hidden"),i.initialOffsetWidth=i.offsetWidth,g(i,_)):(g(i,ee),i.removeAttribute("aria-hidden")),this.tooltipping=setTimeout(function(){t.transition?(A(i,"transitionend",function(){w(i,ee),w(i,B),w(i,te),i.setAttribute("aria-hidden",!0),e.fading=!1},{once:!0}),w(i,_),e.fading=!0):(w(i,ee),i.setAttribute("aria-hidden",!0)),e.tooltipping=!1},1e3),this):this},toggle:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:null;return 1===this.imageData.ratio?this.zoomTo(this.imageData.oldRatio,!0,e):this.zoomTo(1,!0,e),this},reset:function(){return this.viewed&&!this.played&&(this.imageData=fe({},this.initialImageData),this.renderImage()),this},update:function(){var e=this,t=this.element,i=this.options,n=this.isImg;if(n&&!t.parentNode)return this.destroy();var o=[];if(f(n?[t]:t.querySelectorAll("img"),function(t){d(i.filter)?i.filter.call(e,t)&&o.push(t):e.getImageURL(t)&&o.push(t)}),!o.length)return this;if(this.images=o,this.length=o.length,this.ready){var r=[];if(f(this.items,function(e,t){var i=e.querySelector("img"),n=o[t];n&&i?n.src===i.src&&n.alt===i.alt||r.push(t):r.push(t)}),v(this.list,{width:"auto"}),this.initList(),this.isShown)if(this.length){if(this.viewed){var a=r.indexOf(this.index);if(a>=0)this.viewed=!1,this.view(Math.max(Math.min(this.index-a,this.length-1),0));else{var s=this.items[this.index];g(s,j),s.setAttribute("aria-selected",!0)}}}else this.image=null,this.viewed=!1,this.index=0,this.imageData={},this.canvas.innerHTML="",this.title.innerHTML=""}else this.build();return this},destroy:function(){var e=this.element,t=this.options;return e.viewer?(this.destroyed=!0,this.ready?(this.played&&this.stop(),t.inline?(this.fulled&&this.exit(),this.unbind()):this.isShown?(this.viewing&&(this.imageRendering?this.imageRendering.abort():this.imageInitializing&&this.imageInitializing.abort()),this.hiding&&this.transitioning.abort(),this.hidden()):this.showing&&(this.transitioning.abort(),this.hidden()),this.ready=!1,this.viewer.parentNode.removeChild(this.viewer)):t.inline&&(this.delaying?this.delaying.abort():this.initializing&&this.initializing.abort()),t.inline||z(e,"click",this.onStart),e.viewer=void 0,this):this}},ke={getImageURL:function(e){var t=this.options.url;return t=s(t)?e.getAttribute(t):d(t)?t.call(this,e):""},enforceFocus:function(){var e=this;this.clearEnforceFocus(),A(document,"focusin",this.onFocusin=function(t){var i=e.viewer,n=t.target;n===document||n===i||i.contains(n)||null!==n.getAttribute("tabindex")&&"true"===n.getAttribute("aria-modal")||i.focus()})},clearEnforceFocus:function(){this.onFocusin&&(z(document,"focusin",this.onFocusin),this.onFocusin=null)},open:function(){var e=this.body;g(e,$),e.style.paddingRight="".concat(this.scrollbarWidth+(parseFloat(this.initialBodyComputedPaddingRight)||0),"px")},close:function(){var e=this.body;w(e,$),e.style.paddingRight=this.initialBodyPaddingRight},shown:function(){var e=this.element,t=this.options,i=this.viewer;this.fulled=!0,this.isShown=!0,this.render(),this.bind(),this.showing=!1,t.focus&&(i.focus(),this.enforceFocus()),d(t.shown)&&A(e,"shown",t.shown,{once:!0}),!1!==T(e,"shown")&&this.ready&&this.isShown&&!this.hiding&&this.view(this.index)},hidden:function(){var e=this.element,t=this.options,i=this.viewer;t.fucus&&this.clearEnforceFocus(),this.fulled=!1,this.viewed=!1,this.isShown=!1,this.close(),this.unbind(),g(i,H),i.removeAttribute("role"),i.removeAttribute("aria-labelledby"),i.removeAttribute("aria-modal"),i.setAttribute("aria-hidden",!0),this.resetList(),this.resetImage(),this.hiding=!1,this.destroyed||(d(t.hidden)&&A(e,"hidden",t.hidden,{once:!0}),T(e,"hidden",null,{cancelable:!1}))},requestFullscreen:function(e){var t=this.element.ownerDocument;if(this.fulled&&!(t.fullscreenElement||t.webkitFullscreenElement||t.mozFullScreenElement||t.msFullscreenElement)){var i=t.documentElement;i.requestFullscreen?u(e)?i.requestFullscreen(e):i.requestFullscreen():i.webkitRequestFullscreen?i.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT):i.mozRequestFullScreen?i.mozRequestFullScreen():i.msRequestFullscreen&&i.msRequestFullscreen()}},exitFullscreen:function(){var e=this.element.ownerDocument;this.fulled&&(e.fullscreenElement||e.webkitFullscreenElement||e.mozFullScreenElement||e.msFullscreenElement)&&(e.exitFullscreen?e.exitFullscreen():e.webkitExitFullscreen?e.webkitExitFullscreen():e.mozCancelFullScreen?e.mozCancelFullScreen():e.msExitFullscreen&&e.msExitFullscreen())},change:function(e){var t=this.options,i=this.pointers,n=i[Object.keys(i)[0]];if(n){var o=n.endX-n.startX,r=n.endY-n.startY;switch(this.action){case"move":this.move(o,r,e);break;case"zoom":this.zoom(N(i),!1,e);break;case"switch":this.action="switched";var a=Math.abs(o);a>1&&a>Math.abs(r)&&(this.pointers={},o>1?this.prev(t.loop):o<-1&&this.next(t.loop))}f(i,function(e){e.startX=e.endX,e.startY=e.endY})}},isSwitchable:function(){var e=this.imageData,t=this.viewerData;return this.length>1&&e.x>=0&&e.y>=0&&e.width<=t.width&&e.height<=t.height}},ze=L.Viewer,Ae=function(e){return function(){return e+=1}}(-1),Te=function(){function e(t){var i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(n(this,e),!t||1!==t.nodeType)throw new Error("The first argument is required and must be an element.");this.element=t,this.options=fe({},F,u(i)&&i),this.action=!1,this.fading=!1,this.fulled=!1,this.hiding=!1,this.imageClicked=!1,this.imageData={},this.index=this.options.initialViewIndex,this.isImg=!1,this.isShown=!1,this.length=0,this.moving=!1,this.played=!1,this.playing=!1,this.pointers={},this.ready=!1,this.rotating=!1,this.scaling=!1,this.showing=!1,this.timeout=!1,this.tooltipping=!1,this.viewed=!1,this.viewing=!1,this.wheeling=!1,this.zooming=!1,this.id=Ae(),this.init()}return r(e,[{key:"init",value:function(){var e=this,t=this.element,i=this.options;if(!t.viewer){t.viewer=this,i.focus&&!i.keyboard&&(i.focus=!1);var n="img"===t.localName,o=[];if(f(n?[t]:t.querySelectorAll("img"),function(t){d(i.filter)?i.filter.call(e,t)&&o.push(t):e.getImageURL(t)&&o.push(t)}),this.isImg=n,this.length=o.length,this.images=o,this.initBody(),c(document.createElement("viewer").style.transition)&&(i.transition=!1),i.inline){var r=0,a=function(){if((r+=1)===e.length){var t;e.initializing=!1,e.delaying={abort:function(){clearTimeout(t)}},t=setTimeout(function(){e.delaying=!1,e.build()},0)}};this.initializing={abort:function(){f(o,function(e){e.complete||z(e,"load",a)})}},f(o,function(e){e.complete?a():A(e,"load",a,{once:!0})})}else A(t,"click",this.onStart=function(t){var n=t.target;"img"!==n.localName||d(i.filter)&&!i.filter.call(e,n)||e.view(e.images.indexOf(n))})}}},{key:"build",value:function(){if(!this.ready){var e=this.element,t=this.options,i=e.parentNode,n=document.createElement("div");n.innerHTML='<div class="viewer-container" tabindex="-1" touch-action="none"><div class="viewer-canvas"></div><div class="viewer-footer"><div class="viewer-title"></div><div class="viewer-toolbar"></div><div class="viewer-navbar"><ul class="viewer-list" role="navigation"></ul></div></div><div class="viewer-tooltip" role="alert" aria-hidden="true"></div><div class="viewer-button" data-viewer-action="mix" role="button"></div><div class="viewer-player"></div></div>';var o=n.querySelector(".".concat("viewer","-container")),r=o.querySelector(".".concat("viewer","-title")),a=o.querySelector(".".concat("viewer","-toolbar")),h=o.query