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1 lines
13 KiB
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r=t.querySelector("img[data-lazy-src]"),a=o.index,h=this.getModernThumbPos(a),l=s-.5*e.containerRect.innerWidth,c=l+e.containerRect.innerWidth;if(!r||h<l||h>c)continue;let u=r.dataset.lazySrc;if(!u||!u.length)continue;if(delete r.dataset.lazySrc,r.src=u,r.complete)continue;n(t,this.cn("isLoading"));const d=i('<div class="f-spinner"><svg viewBox="0 0 50 50"><circle cx="25" cy="25" r="20"></circle><circle cx="25" cy="25" r="20"></circle></svg></div>');t.appendChild(d),r.addEventListener("load",(()=>{t.offsetParent&&(t.classList.remove(this.cn("isLoading")),d.remove())}),!1)}}resizeModernSlide(t){if("modern"!==this.type)return;if(!t.thumbSlideEl)return;const e=t.thumbClipWidth&&t.thumbHeight?Math.round(this.thumbHeight*(t.thumbClipWidth/t.thumbHeight)):this.thumbWidth;t.thumbWidth=e}getModernThumbPos(t){const e=this.instance.slides[t],i=this.panzoom;if(!i||!i.contentRect.fitWidth)return 0;let s=i.containerRect.innerWidth,n=i.contentRect.width;2===this.instance.slides.length&&(t-=1,n=2*this.thumbClipWidth);let o=t*(this.thumbClipWidth+this.thumbGap)+this.thumbExtraGap+.5*(e.thumbWidth||0);return o-=n>s?.5*s:.5*n,c(o||0,1)}build(){const e=this.instance,i=e.container,s=this.option("minCount")||0;if(s){let i=0;for(const t of e.slides||[])t.thumbSrc&&i++;if(i<s)return this.cleanup(),void(this.state=t.States.Disabled)}const o=this.option("type");if(["modern","classic"].indexOf(o)<0)return void(this.state=t.States.Disabled);this.type=o;const r=document.createElement("div");n(r,this.cn("container")),n(r,`is-${o}`);const a=this.option("parentEl");a?a.appendChild(r):i.after(r),this.container=r,n(i,this.cn("hasThumbs"));const h=document.createElement("div");n(h,this.cn("track")),r.appendChild(h),this.track=h,"classic"===o?this.buildClassic():this.buildModern(),this.state=t.States.Ready,r.addEventListener("click",(t=>{setTimeout((()=>{var t;null===(t=null==r?void 0:r.querySelector(`[data-carousel-index="${e.page}"]`))||void 0===t||t.focus()}),100)}))}cleanup(){var e,i;this.carousel&&this.carousel.destroy(),this.carousel=null,this.panzoom&&this.panzoom.destroy(),this.panzoom=null,this.container&&this.container.remove(),this.container=null,this.track=null,this.state=t.States.Init,e=this.instance.container,i=this.cn("hasThumbs"),e&&s(i).forEach((t=>{e.classList.remove(t)}))}attach(){this.instance.on("initSlide",this.onInitSlide),this.instance.on("initSlides",this.onInitSlides),this.instance.on("Panzoom.afterTransform",this.onTransformM),this.instance.on("Panzoom.refresh",this.onRefreshM),this.instance.on("change",this.onChangeM)}detach(){this.instance.off("initSlide",this.onInitSlide),this.instance.off("initSlides",this.onInitSlides),this.instance.off("Panzoom.afterTransform",this.onTransformM),this.instance.off("Panzoom.refresh",this.onRefreshM),this.instance.off("change",this.onChangeM),this.cleanup()}}Object.defineProperty(d,"defaults",{enumerable:!0,configurable:!0,writable:!0,value:u}),t.Thumbs=d,t.defaultOptions=u}));
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