516 lines
13 KiB
JavaScript
516 lines
13 KiB
JavaScript
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import isNumber from 'is-number';
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import $ from 'jquery';
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const {
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Image,
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VPData,
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VPPopupAPI,
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PhotoSwipe,
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PhotoSwipeUI_Default: PhotoSwipeUIDefault,
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} = window;
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const { __, settingsPopupGallery } = VPData;
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function resizeVideo(data, curItem) {
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if (typeof curItem === 'undefined') {
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if (data && data.itemHolders.length) {
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data.itemHolders.forEach((val) => {
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if (val.item && val.item.html) {
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resizeVideo(data, val.item);
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}
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});
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}
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return;
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}
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// calculate real viewport in pixels
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const vpW = data.viewportSize.x;
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let vpH = data.viewportSize.y;
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const ratio = curItem.vw / curItem.vh;
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let resultW;
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const $container = $(curItem.container);
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const bars = data.options.barsSize;
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let barTop = 0;
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let barBot = 0;
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if (bars) {
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barTop = bars.top && bars.top !== 'auto' ? bars.top : 0;
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barBot = bars.bottom && bars.bottom !== 'auto' ? bars.bottom : 0;
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}
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vpH -= barTop + barBot;
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if (ratio > vpW / vpH) {
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resultW = vpW;
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} else {
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resultW = vpH * ratio;
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}
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const $videoCont = $container.find('.vp-pswp-video');
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$videoCont.css('max-width', resultW);
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$videoCont.children().css({
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paddingBottom: `${100 * (curItem.vh / curItem.vw)}%`,
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});
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$container.css({
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top: barTop,
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bottom: barBot,
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});
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}
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if (PhotoSwipe && VPPopupAPI) {
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let pswpInstance;
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// prepare photoswipe markup
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if (!$('.vp-pswp').length) {
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const markup = `
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<div class="pswp vp-pswp${
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settingsPopupGallery.click_to_zoom ? '' : ' vp-pswp-no-zoom'
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}" tabindex="-1" role="dialog" aria-hidden="true">
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<div class="pswp__bg"></div>
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<div class="pswp__scroll-wrap">
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<div class="pswp__container">
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<div class="pswp__item"></div>
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<div class="pswp__item"></div>
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<div class="pswp__item"></div>
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</div>
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<div class="pswp__ui pswp__ui--hidden">
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<div class="pswp__top-bar">
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<div class="pswp__counter"></div>
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<button class="pswp__button pswp__button--close" title="${
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__.pswp_close
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}"></button>
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<button class="pswp__button pswp__button--share" title="${
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__.pswp_share
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}"></button>
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<button class="pswp__button pswp__button--fs" title="${
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__.pswp_fs
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}"></button>
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<button class="pswp__button pswp__button--zoom" title="${
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__.pswp_zoom
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}"></button>
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</div>
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<div class="pswp__preloader">
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<div class="pswp__preloader__icn">
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<div class="pswp__preloader__cut">
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<div class="pswp__preloader__donut"></div>
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</div>
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</div>
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</div>
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<div class="pswp__share-modal pswp__share-modal--hidden pswp__single-tap">
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<div class="pswp__share-tooltip"></div>
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</div>
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<button class="pswp__button pswp__button--arrow--left" title="${
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__.pswp_prev
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}"></button>
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<button class="pswp__button pswp__button--arrow--right" title="${
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__.pswp_next
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}"></button>
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<div class="pswp__caption">
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<div class="pswp__caption__center"></div>
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</div>
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</div>
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</div>
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</div>
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`;
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$('body').append(markup);
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}
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// Extend Popup API.
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VPPopupAPI.vendor = 'photoswipe';
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VPPopupAPI.open = function (items, index, self) {
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const finalItems = [];
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// prepare items for fancybox api.
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items.forEach((item) => {
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if (item.type === 'embed') {
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finalItems.push({
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html: `<div class="vp-pswp-video"><div>${item.embed}</div></div>`,
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vw: item.width || 0,
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vh: item.height || 0,
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title: item.caption,
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});
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} else {
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finalItems.push({
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src: item.src,
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el: item.el,
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w: item.width || 0,
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h: item.height || 0,
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title: item.caption,
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o: {
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src: item.src,
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w: item.width || 0,
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h: item.height || 0,
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},
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...(item.srcMedium
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? {
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m: {
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src: item.srcMedium,
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w: item.srcMediumWidth || 0,
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h: item.srcMediumHeight || 0,
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},
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msrc: item.srcMedium,
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}
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: {}),
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});
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}
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});
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const $pswpElement = $('.vp-pswp');
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const pswpElement = $pswpElement[0];
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// define options (if needed)
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const options = {
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captionAndToolbarShowEmptyCaptions: false,
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closeEl: settingsPopupGallery.show_close_button,
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captionEl: true,
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fullscreenEl: settingsPopupGallery.show_fullscreen_button,
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zoomEl: settingsPopupGallery.show_zoom_button,
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shareEl: settingsPopupGallery.show_share_button,
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counterEl: settingsPopupGallery.show_counter,
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arrowEl: settingsPopupGallery.show_arrows,
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shareButtons: [
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{
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id: 'facebook',
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label: __.pswp_share_fb,
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url: 'https://www.facebook.com/sharer/sharer.php?u={{url}}',
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},
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{
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id: 'twitter',
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label: __.pswp_share_tw,
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url: 'https://twitter.com/intent/tweet?text={{text}}&url={{url}}',
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},
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{
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id: 'pinterest',
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label: __.pswp_share_pin,
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url: 'https://www.pinterest.com/pin/create/button/?url={{url}}&media={{image_url}}&description={{text}}',
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},
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],
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getImageURLForShare() {
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const currentItem = items[pswpInstance.getCurrentIndex()];
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if (currentItem.type === 'image' && currentItem.src) {
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return currentItem.src;
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}
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return pswpInstance.currItem.src || '';
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},
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getPageURLForShare() {
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const currentItem = items[pswpInstance.getCurrentIndex()];
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if (currentItem.type === 'image' && currentItem.src) {
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return currentItem.src;
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}
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return window.location.href;
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},
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getTextForShare() {
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const currentItem = items[pswpInstance.getCurrentIndex()];
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if (currentItem.caption) {
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const $caption = $(currentItem.caption);
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if (
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$caption.filter('.vp-portfolio__item-popup-title')
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.length
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) {
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return $caption
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.filter('.vp-portfolio__item-popup-title')
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.text();
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}
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if (
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$caption.filter('.vp-portfolio__item-popup-description')
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.length
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) {
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return $caption
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.filter('.vp-portfolio__item-popup-description')
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.text();
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}
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}
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return '';
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},
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bgOpacity: 1,
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tapToClose: false,
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tapToToggleControls: true,
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showHideOpacity: true,
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history: false,
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getThumbBoundsFn(thumbIndex) {
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if (!finalItems[thumbIndex] || !finalItems[thumbIndex].el) {
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return false;
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}
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const $el = $(finalItems[thumbIndex].el).find('img')[0];
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if (!$el) {
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return false;
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}
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const rect = $el.getBoundingClientRect();
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const pageYScroll =
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window.pageYOffset || document.documentElement.scrollTop;
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const pswpTop = parseFloat($pswpElement.css('top')) || 0;
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return {
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x: rect.left,
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y: rect.top + pageYScroll - pswpTop,
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w: rect.width,
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h: rect.height,
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};
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},
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getDoubleTapZoom(isMouseClick, item) {
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// isMouseClick - true if mouse, false if double-tap
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// item - slide object that is zoomed, usually current
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// item.initialZoomLevel - initial scale ratio of image
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// e.g. if viewport is 700px and image is 1400px,
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// initialZoomLevel will be 0.5
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if (isMouseClick) {
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// is mouse click on image or zoom icon
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// Click to zoom disabled.
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if (!settingsPopupGallery.click_to_zoom) {
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return item.initialZoomLevel;
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}
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// In case the image is vertically wide, zoom it to fit screen width only.
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// - check if original image size is wider than screen
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// - check if zoomed out image in less than 25% of the screen width
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if (
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item.w > window.innerWidth &&
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(item.w * item.initialZoomLevel) / window.innerWidth <
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0.25
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) {
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return window.innerWidth / item.w;
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}
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// zoom to original
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return 1;
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// e.g. for 1400px image:
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// 0.5 - zooms to 700px
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// 2 - zooms to 2800px
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}
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// zoom to original if initial zoom is less than 0.7x,
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// otherwise to 1.5x, to make sure that double-tap gesture always zooms image.
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return item.initialZoomLevel < 0.7 ? 1 : 1.5;
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},
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};
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options.index = parseInt(index, 10);
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// exit if index not found
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if (!isNumber(options.index)) {
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return;
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}
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// Pass data to PhotoSwipe and initialize it
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pswpInstance = new PhotoSwipe(
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pswpElement,
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PhotoSwipeUIDefault,
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finalItems,
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options
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);
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// see: http://photoswipe.com/documentation/responsive-images.html
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let realViewportWidth;
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let useLargeImages = false;
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let firstResize = true;
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let imageSrcWillChange;
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pswpInstance.listen('beforeResize', () => {
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// pswpInstance.viewportSize.x - width of PhotoSwipe viewport
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// pswpInstance.viewportSize.y - height of PhotoSwipe viewport
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// window.devicePixelRatio - ratio between physical pixels and device independent pixels (Number)
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// 1 (regular display), 2 (@2x, retina) ...
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// calculate real pixels when size changes
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realViewportWidth =
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pswpInstance.viewportSize.x * window.devicePixelRatio;
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// Code below is needed if you want image to switch dynamically on window.resize
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// Find out if current images need to be changed
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if (useLargeImages && realViewportWidth < 1000) {
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useLargeImages = false;
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imageSrcWillChange = true;
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} else if (!useLargeImages && realViewportWidth >= 1000) {
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useLargeImages = true;
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imageSrcWillChange = true;
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}
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// Invalidate items only when source is changed and when it's not the first update
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if (imageSrcWillChange && !firstResize) {
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// invalidateCurrItems sets a flag on slides that are in DOM,
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// which will force update of content (image) on window.resize.
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pswpInstance.invalidateCurrItems();
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}
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if (firstResize) {
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firstResize = false;
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}
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imageSrcWillChange = false;
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});
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pswpInstance.listen('gettingData', (idx, item) => {
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// Prepare iframes.
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if (item.html) {
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// -- Iframe Autoplay - Part 1 --
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// Disable autoplay parameter in iframes on inactive slides.
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// Mostly for Youtube and Vimeo to prevent video playing in background.
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// Later we add autoplay only to active slides.
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item.html = item.html.replace(/autoplay=1/, 'autoplay=0');
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return;
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}
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// Prepare image sizes.
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if (useLargeImages && item.o) {
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if (item.o.src) {
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item.src = item.o.src;
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}
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if (item.o.w) {
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item.w = item.o.w;
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}
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if (item.o.h) {
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item.h = item.o.h;
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}
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} else if (item.m) {
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if (item.m.src) {
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item.src = item.m.src;
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}
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if (item.m.w) {
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item.w = item.m.w;
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}
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if (item.m.h) {
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item.h = item.m.h;
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}
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}
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});
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pswpInstance.listen('imageLoadComplete', (idx, item) => {
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if (item.h < 1 || item.w < 1) {
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const img = new Image();
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img.onload = () => {
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item.w = img.width;
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item.h = img.height;
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pswpInstance.invalidateCurrItems();
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pswpInstance.updateSize(true);
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};
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img.src = item.src;
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}
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});
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pswpInstance.listen('resize', function () {
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resizeVideo(this);
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});
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pswpInstance.listen('afterChange', function () {
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resizeVideo(this);
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if (self) {
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self.emitEvent('afterChangePhotoSwipe', [this, pswpInstance]);
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}
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});
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// disable video play if no active.
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pswpInstance.listen('beforeChange', function () {
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const data = this;
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// -- Iframe Autoplay - Part 2 --
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// Set autoplay to 1 on active slides and to 0 on inactive.
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if (data && data.itemHolders.length) {
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const currentIndex = data.getCurrentIndex();
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data.itemHolders.forEach((val) => {
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const $iframe = val.el
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? $(val.el).find('.vp-pswp-video iframe')
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: false;
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if ($iframe && $iframe.length) {
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if (val.index === currentIndex) {
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$iframe.attr(
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'src',
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$iframe
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.attr('src')
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.replace(/autoplay=0/, 'autoplay=1')
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);
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} else {
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$iframe.attr(
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'src',
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$iframe
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.attr('src')
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.replace(/autoplay=1/, 'autoplay=0')
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);
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}
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}
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});
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}
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if (self) {
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self.emitEvent('beforeChangePhotoSwipe', [data, pswpInstance]);
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}
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});
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// destroy event.
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pswpInstance.listen('destroy', function () {
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const data = this;
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|
|
||
|
if (data) {
|
||
|
// Remove video block.
|
||
|
if (data.itemHolders.length) {
|
||
|
data.itemHolders.forEach((val) => {
|
||
|
if (val.el) {
|
||
|
$(val.el).find('.vp-pswp-video').remove();
|
||
|
}
|
||
|
});
|
||
|
}
|
||
|
|
||
|
const currentItemData = items[data.getCurrentIndex()];
|
||
|
|
||
|
if (currentItemData) {
|
||
|
VPPopupAPI.maybeFocusGalleryItem(currentItemData);
|
||
|
}
|
||
|
|
||
|
if (self) {
|
||
|
self.emitEvent('beforeClosePhotoSwipe', [
|
||
|
options,
|
||
|
items,
|
||
|
pswpInstance,
|
||
|
]);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
pswpInstance = false;
|
||
|
});
|
||
|
|
||
|
if (self) {
|
||
|
self.emitEvent('beforeInitPhotoSwipe', [
|
||
|
options,
|
||
|
finalItems,
|
||
|
index,
|
||
|
pswpInstance,
|
||
|
]);
|
||
|
}
|
||
|
|
||
|
pswpInstance.init();
|
||
|
|
||
|
if (self) {
|
||
|
self.emitEvent('initPhotoSwipe', [
|
||
|
options,
|
||
|
finalItems,
|
||
|
index,
|
||
|
pswpInstance,
|
||
|
]);
|
||
|
}
|
||
|
};
|
||
|
VPPopupAPI.close = function () {
|
||
|
if (pswpInstance) {
|
||
|
pswpInstance.close();
|
||
|
pswpInstance = false;
|
||
|
}
|
||
|
};
|
||
|
}
|