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document.addEventListener('DOMContentLoaded', function () {
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// Небольшая задержка для корректной инициализации GLightbox
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setTimeout(() => {
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document.querySelectorAll('.simple-gallery-block').forEach(function (block) {
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const blockId = block.getAttribute('data-gallery-id');
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initSimpleGallery(blockId);
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});
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}, 100);
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});
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function initSimpleGallery(blockId) {
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const container = document.getElementById(blockId);
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if (!container) return;
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let mainSwiper;
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let thumbnailSwiper;
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let lightbox;
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// Проверяем, одно изображение или несколько
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const isSingleImage = container.querySelector('.single-image');
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const hasMultipleImages = container.querySelector('.gallery-swiper');
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function initLightbox() {
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if (typeof GLightbox === 'undefined') {
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console.warn('GLightbox is not loaded');
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return;
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}
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const selector = `#${blockId} .glightbox`;
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if (lightbox) {
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lightbox.destroy();
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}
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lightbox = GLightbox({
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selector: selector,
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preload: false,
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touchNavigation: true,
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loop: true
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});
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}
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function updateThumbnails(activeIndex) {
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const thumbnails = container.querySelectorAll('.thumbnail');
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thumbnails.forEach((thumb, index) => {
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if (index === activeIndex) {
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thumb.classList.remove('opacity-50', 'hover:opacity-80');
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thumb.classList.add('opacity-100', 'active');
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} else {
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thumb.classList.remove('opacity-100', 'active');
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thumb.classList.add('opacity-50', 'hover:opacity-80');
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}
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});
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}
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function centerThumbnail(activeIndex) {
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if (thumbnailSwiper) {
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thumbnailSwiper.slideTo(activeIndex);
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}
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}
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// Инициализация для одного изображения
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if (isSingleImage) {
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initLightbox();
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window.addEventListener('beforeunload', () => {
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if (lightbox) lightbox.destroy();
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});
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return;
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}
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// Инициализация для множественных изображений
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if (hasMultipleImages) {
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// Thumbnail swiper
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thumbnailSwiper = new Swiper(`#${blockId} .thumbnail-swiper`, {
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slidesPerView: 'auto',
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spaceBetween: 6,
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freeMode: true,
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grabCursor: true,
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watchSlidesProgress: true,
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});
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// Main swiper
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mainSwiper = new Swiper(`#${blockId} .gallery-swiper`, {
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slidesPerView: 'auto',
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spaceBetween: 0,
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grabCursor: true,
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watchSlidesProgress: true,
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lazy: {
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loadPrevNext: true,
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loadOnTransitionStart: true,
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},
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on: {
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slideChange: function () {
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updateThumbnails(this.realIndex);
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centerThumbnail(this.realIndex);
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}
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}
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});
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// Lightbox для множественных изображений
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initLightbox();
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// Обработчик клика по thumbnail
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container.addEventListener('click', (e) => {
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const thumbnail = e.target.closest('.thumbnail');
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if (!thumbnail) return;
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const index = parseInt(thumbnail.getAttribute('data-index'));
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if (mainSwiper) {
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mainSwiper.slideTo(index);
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}
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updateThumbnails(index);
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centerThumbnail(index);
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});
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// Cleanup
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window.addEventListener('beforeunload', () => {
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if (mainSwiper) mainSwiper.destroy();
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if (thumbnailSwiper) thumbnailSwiper.destroy();
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if (lightbox) lightbox.destroy();
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});
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}
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}
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