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15 lines
42 KiB
15 lines
42 KiB
/*!
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* ____ __ ______ __________ _ _____________ ____________
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* / __ \/ / / / __ \/_ __/ __ \ | / / _/ ____/ | / / ____/ __ \
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* / /_/ / /_/ / / / / / / / / / / | / // // __/ | | /| / / __/ / /_/ /
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* / ____/ __ / /_/ / / / / /_/ /| |/ // // /___ | |/ |/ / /___/ _, _/
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* /_/ /_/ /_/\____/ /_/ \____/ |___/___/_____/ |__/|__/_____/_/ |_|
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*
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* photoviewer - v3.7.1
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* A JS plugin to view images just like in Windows.
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* https://nzbin.github.io/photoviewer/
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*
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* Copyright (c) 2018 nzbin
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* Released under MIT License
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*/
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<div class="').concat(I,'-stage">\n <img class="').concat(I,'-image" src="" alt="" />\n </div>\n <div class="').concat(I,'-footer">\n <div class="').concat(I,"-toolbar ").concat(I,'-toolbar-footer">\n ').concat(this._createBtns(this.options.footerToolbar),"\n </div>\n </div>\n </div>\n </div>")}},{key:"build",value:function(){var t=this._createTemplate(),t=H(t);this.$photoviewer=t,this.$stage=t.find(L+"-stage"),this.$title=t.find(L+"-title"),this.$image=t.find(L+"-image"),this.$close=t.find(L+"-button-close"),this.$maximize=t.find(L+"-button-maximize"),this.$minimize=t.find(L+"-button-minimize"),this.$zoomIn=t.find(L+"-button-zoomIn"),this.$zoomOut=t.find(L+"-button-zoomOut"),this.$actualSize=t.find(L+"-button-actualSize"),this.$fullscreen=t.find(L+"-button-fullscreen"),this.$rotateLeft=t.find(L+"-button-rotateLeft"),this.$rotateRight=t.find(L+"-button-rotateRight"),this.$prev=t.find(L+"-button-prev"),this.$next=t.find(L+"-button-next"),this.$stage.addClass("stage-ready"),this.$image.addClass("image-ready"),this.$photoviewer.css("z-index",R.zIndex),this.options.positionFixed&&this.$photoviewer.css({position:"fixed"}),this.options.dragHandle&&this.options.dragHandle!==L+"-modal"?this.dragHandle=this.$photoviewer.find(this.options.dragHandle):this.dragHandle=this.$photoviewer,H(this.options.appendTo).eq(0).append(this.$photoviewer),this._stageEdgeValue={horizontal:T(this.$stage,["left","right","border-left-width","border-right-width"]),vertical:T(this.$stage,["top","bottom","border-top-width","border-bottom-width"])},this._modalEdgeValue={horizontal:T(this.$photoviewer,["padding-left","padding-right","border-left-width","border-right-width"]),vertical:T(this.$photoviewer,["padding-top","padding-bottom","border-top-width","border-bottom-width"])},this._addEvents(),this._addCustomButtonEvents()}},{key:"open",value:function(){this._triggerHook("beforeOpen",this),this.options.multiInstances||H(L+"-modal").eq(0).remove(),this.build(),this.setInitModalPos(),this._triggerHook("opened",this)}},{key:"close",value:function(){this._triggerHook("beforeClose",this),this.$photoviewer.remove(),this.isOpened=!1,this.isMaximized=!1,this.isRotated=!1,this.rotationDegree=0,H(L+"-modal").length||(this.options.multiInstances&&(R.zIndex=this.options.zIndex),Ot.off("resize"+_)),this._triggerHook("closed",this)}},{key:"_getOffsetParentData",value:function(){var t=H(this.options.appendTo)[0];return{width:this.options.positionFixed||v(t)?Ot.width():t.clientWidth,height:this.options.positionFixed||v(t)?Ot.height():t.clientHeight,scrollLeft:this.options.positionFixed?0:v(t)?V.scrollLeft():t.scrollLeft,scrollTop:this.options.positionFixed?0:v(t)?V.scrollTop():t.scrollTop}}},{key:"setModalToCenter",value:function(){var t,e,i,o,n,s=0,a=0,s=(k(this.$photoviewer)||(s+=this._modalEdgeValue.horizontal,a+=this._modalEdgeValue.vertical),H.isPlainObject(this.options.initModalPos)?(o=this.options.initModalPos.left,n=this.options.initModalPos.top,t=this.options.initModalPos.right,e=this.options.initModalPos.bottom):(o=((i=this._getOffsetParentData()).width-this.options.modalWidth-s)/2+i.scrollLeft,n=(i.height-this.options.modalHeight-a)/2+i.scrollTop),{width:this.modalData.width||this.options.modalWidth,height:this.modalData.height||this.options.modalHeight,left:this.modalData.left||o,top:this.modalData.top||n,right:this.modalData.right||t,bottom:this.modalData.bottom||e});this.$photoviewer.css(s)}},{key:"setInitModalPos",value:function(){this.options.initMaximized?(this.maximize(),this.isOpened=!0):this.setModalToCenter(),this.$photoviewer[0].focus()}},{key:"setModalSize",value:function(t){var e,i,o,n,s=this,a=this._getOffsetParentData(),r=t.width+this._stageEdgeValue.horizontal,h=t.height+this._stageEdgeValue.vertical,l=0,c=0,u=(k(this.$photoviewer)?(r+=this._modalEdgeValue.horizontal,h+=this._modalEdgeValue.vertical):(l+=this._modalEdgeValue.horizontal,c+=this._modalEdgeValue.vertical),(0<this.options.gapThreshold?this.options.gapThreshold:0)+1),a=Math.min(a.width/((r+l)*u),a.height/((h+c)*u),1),u=Math.max(r*a,this.options.modalWidth),r=Math.max(h*a,this.options.modalHeight),u=this.options.fixedModalSize?this.options.modalWidth:Math.round(u),r=this.options.fixedModalSize?this.options.modalHeight:Math.round(r),a=(H.isPlainObject(this.options.initModalPos)?(o=this.options.initModalPos.left,n=this.options.initModalPos.top,e=this.options.initModalPos.right,i=this.options.initModalPos.bottom):(o=((h=this._getOffsetParentData()).width-u-l)/2+h.scrollLeft,n=(h.height-r-c)/2+h.scrollTop),{width:u,height:r,left:o,top:n,right:e,bottom:i});this.options.initAnimation?this.$photoviewer.animate(a,this.options.animationDuration,"ease-in-out",function(){s.setImageSize(t)}):(this.$photoviewer.css(a),this.setImageSize(t)),this.isOpened=!0}},{key:"getImageScale",value:function(t,e){return this.isRotated?Math.min(t/this.img.height,e/this.img.width,1):Math.min(t/this.img.width,e/this.img.height,1)}},{key:"setImageSize",value:function(t){var e={w:this.$stage.width(),h:this.$stage.height()},i=this.getImageScale(e.w,e.h);this.$image.css({width:Math.round(t.width*i),height:Math.round(t.height*i),left:(e.w-Math.round(t.width*i))/2,top:(e.h-Math.round(t.height*i))/2}),H.extend(this.imageData,{initWidth:t.width*i,initHeight:t.height*i,initLeft:(e.w-t.width*i)/2,initTop:(e.h-t.height*i)/2,width:t.width*i,height:t.height*i,left:(e.w-t.width*i)/2,top:(e.h-t.height*i)/2}),St({w:this.$image.width(),h:this.$image.height()},{w:this.$stage.width(),h:this.$stage.height()},this.$stage,this.isRotated),this.imageLoaded||(this.$photoviewer.find(L+"-loader").remove(),this.$stage.removeClass("stage-ready"),this.$image.removeClass("image-ready"),this.options.initAnimation&&!this.options.progressiveLoading&&this.$image.fadeIn(),this.imageLoaded=!0)}},{key:"loadImage",value:function(t,e,i){var o,n,s,a,r=this;this.$image.removeAttr("style").attr("src",""),this.isRotated=!1,this.rotationDegree=0,this.imageLoaded=!1,this.$photoviewer.append('<div class="'.concat(I,'-loader"></div>')),this.$stage.addClass("stage-ready"),this.$image.addClass("image-ready"),this.options.initAnimation&&!this.options.progressiveLoading&&this.$image.hide(),this.$image.attr("src",t),o=t,n=function(t){r.img=t,r.imageData={originalWidth:t.width,originalHeight:t.height},r.isMaximized||r.isOpened&&r.options.fixedModalPos?r.setImageSize(t):r.setModalSize(t),e&&e.call()},s=function(){r.$photoviewer.find(L+"-loader").remove(),i&&i.call()},(a=new Image).onload=function(){n(a)},a.onerror=function(){s(a)},a.src=o,this.options.title&&this.setImageTitle(t)}},{key:"setImageTitle",value:function(t){t=this.groupData[this.groupIndex].title||t.replace(/^.*?\/*([^/?]*)\.[a-z]+(\?.+|$)/gi,"$1");this.$title.html(t)}},{key:"jump",value:function(t){this._triggerHook("beforeChange",[this,this.groupIndex]);var e=Date.now();e-this._lastTimestamp>=this.options.animationDuration&&(this.groupIndex=this.groupIndex+t,this.jumpTo(this.groupIndex),this._lastTimestamp=e)}},{key:"jumpTo",value:function(t){var e=this;0<=(t%=this.groupData.length)?t%=this.groupData.length:t<0&&(t=(this.groupData.length+t)%this.groupData.length),this.groupIndex=t,this.loadImage(this.groupData[t].src,function(){e._triggerHook("changed",[e,t])},function(){e._triggerHook("changed",[e,t])})}},{key:"wheel",value:function(t){t.preventDefault();var e=1,e=(t.deltaY?e=0<t.deltaY?1:-1:t.wheelDelta?e=-t.wheelDelta/120:t.detail&&(e=0<t.detail?1:-1),-e*this.options.ratioThreshold),t={x:t.clientX-this.$stage.offset().left+V.scrollLeft(),y:t.clientY-this.$stage.offset().top+V.scrollTop()};this.zoom(e,t)}},{key:"zoom",value:function(t,e){t=t<0?1/(1-t):1+t,(t=this.$image.width()/this.imageData.originalWidth*t)>this.options.maxRatio||t<this.options.minRatio||this.zoomTo(t,e)}},{key:"zoomTo",value:function(t,e){var i=this.$image,o=this.$stage,n=this.imageData.width,s=this.imageData.height,a=this.imageData.left,r=this.imageData.top,h={w:o.width(),h:o.height(),x:o.offset().left,y:o.offset().top},o=(void 0===e&&(e={x:o.width()/2,y:o.height()/2}),this.imageData.originalWidth*t),t=this.imageData.originalHeight*t,a=e.x-(e.x-a)/n*o,n=e.y-(e.y-r)/s*t,e=this.isRotated?(o-t)/2:0,r=this.isRotated?t:o,s=this.isRotated?o:t,l=h.w-o,c=h.h-t,n=s<=h.h?(h.h-t)/2:e<n?e:c-e<n?n:c-e,a=r<=h.w?(h.w-o)/2:-e<a?-e:l+e<a?a:l+e;Math.abs(this.imageData.initWidth-o)<.05*this.imageData.initWidth?this.setImageSize(this.img):(i.css({width:Math.round(o),height:Math.round(t),left:Math.round(a),top:Math.round(n)}),St({w:Math.round(r),h:Math.round(s)},{w:h.w,h:h.h},this.$stage)),H.extend(this.imageData,{width:o,height:t,left:a,top:n})}},{key:"rotate",value:function(t){this.rotationDegree=this.rotationDegree+t,this.rotationDegree/90%2==0?this.isRotated=!1:this.isRotated=!0,this.rotateTo(this.rotationDegree)}},{key:"rotateTo",value:function(t){this.$image.css({transform:"rotate("+t+"deg)"}),this.setImageSize({width:this.imageData.originalWidth,height:this.imageData.originalHeight}),this.$stage.removeClass("is-grab")}},{key:"resize",value:function(){this.isOpened&&(this.isMaximized?this.setImageSize({width:this.imageData.originalWidth,height:this.imageData.originalHeight}):this.setModalSize({width:this.imageData.originalWidth,height:this.imageData.originalHeight}))}},{key:"maximize",value:function(){this.$photoviewer.addClass(I+"-maximized"),this.$photoviewer.css({width:"auto",height:"auto",top:0,right:0,bottom:0,left:0}),this.isMaximized=!0}},{key:"exitMaximize",value:function(){this.$photoviewer.removeClass(I+"-maximized"),this.setModalToCenter(),this.isMaximized=!1}},{key:"toggleMaximize",value:function(){var t,e;this.isMaximized?this.exitMaximize():(t=this.$photoviewer.width(),e=this.$photoviewer.height(),k(this.$photoviewer)&&(t+=this._modalEdgeValue.horizontal,e+=this._modalEdgeValue.vertical),this.modalData={width:t,height:e,left:parseFloat(this.$photoviewer.css("left")),top:parseFloat(this.$photoviewer.css("top"))},this.maximize()),this.setImageSize({width:this.imageData.originalWidth,height:this.imageData.originalHeight}),this.$photoviewer[0].focus()}},{key:"fullscreen",value:function(){var t;(t=this.$photoviewer[0]).requestFullscreen?t.requestFullscreen():t.mozRequestFullScreen?t.mozRequestFullScreen():t.webkitRequestFullscreen?t.webkitRequestFullscreen():t.msRequestFullscreen&&t.msRequestFullscreen(),this.$photoviewer[0].focus()}},{key:"_keydown",value:function(t){if(!this.options.keyboard)return!1;t.preventDefault();var e=t.keyCode||t.which||t.charCode,i=t.ctrlKey||t.metaKey,o=t.altKey;switch(e){case 37:this.jump(-1);break;case 39:this.jump(1);break;case 187:this.zoom(3*this.options.ratioThreshold,{x:this.$stage.width()/2,y:this.$stage.height()/2},t);break;case 189:this.zoom(3*-this.options.ratioThreshold,{x:this.$stage.width()/2,y:this.$stage.height()/2},t);break;case 61:this.zoom(3*this.options.ratioThreshold,{x:this.$stage.width()/2,y:this.$stage.height()/2},t);break;case 173:this.zoom(3*-this.options.ratioThreshold,{x:this.$stage.width()/2,y:this.$stage.height()/2},t);break;case 48:i&&o&&this.zoomTo(1,{x:this.$stage.width()/2,y:this.$stage.height()/2},t);break;case 188:i&&this.rotate(-90);break;case 190:i&&this.rotate(90);break;case 81:this.close();break;case 88:o&&this.toggleMaximize();break;case 70:this.fullscreen()}}},{key:"_addEvents",value:function(){var i,o,n,e=this;this.$close.off(C+_).on(C+_,function(){e.close()}),this.$stage.off(jt+_).on(jt+_,function(t){e.wheel(t)}),this.$zoomIn.off(C+_).on(C+_,function(){e.zoom(3*e.options.ratioThreshold)}),this.$zoomOut.off(C+_).on(C+_,function(){e.zoom(3*-e.options.ratioThreshold)}),this.$actualSize.off(C+_).on(C+_,function(){e.zoomTo(1)}),this.$prev.off(C+_).on(C+_,function(){e.jump(-1)}),this.$fullscreen.off(C+_).on(C+_,function(){e.fullscreen()}),this.$next.off(C+_).on(C+_,function(){e.jump(1)}),this.$rotateLeft.off(C+_).on(C+_,function(){e.rotate(-90)}),this.$rotateRight.off(C+_).on(C+_,function(){e.rotate(90)}),this.$maximize.off(C+_).on(C+_,function(){e.toggleMaximize()}),this.$photoviewer.off(Ft+_).on(Ft+_,function(t){e._keydown(t)}),Ot.on("resize"+_,(i=function(){return e.resize()},o=500,n=null,function(){var t=this,e=arguments;clearTimeout(n),n=setTimeout(function(){i.apply(t,e)},o)}))}},{key:"_addCustomButtonEvents",value:function(){var t,i=this;for(t in this.options.customButtons)!function(e){i.$photoviewer.find(L+"-button-"+e).off(C+_).on(C+_,function(t){i.options.customButtons[e].click.apply(i,[i,t])})}(t)}},{key:"_triggerHook",value:function(t,e){this.options.callbacks[t]&&this.options.callbacks[t].apply(this,H.isArray(e)?e:[e])}}])&&D(t.prototype,e),i&&D(t,i),Object.defineProperty(t,"prototype",{writable:!1}),o}();return H.extend(Wt.prototype,t,e,Xt),window.PhotoViewer=Wt}); |