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(function () { |
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'use strict'; |
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|
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var INIT_FLAG = 'kaLoopGridReady'; |
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|
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/** |
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* Wire one grid: load more, filters, masonry, carousel. |
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* |
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* @param {HTMLElement} grid Grid root. |
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*/ |
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function initGrid(grid) { |
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if (!grid || grid.dataset[INIT_FLAG] === '1') { |
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return; |
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} |
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grid.dataset[INIT_FLAG] = '1'; |
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|
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var filters = grid.querySelectorAll('.king-addons-loop-grid__filter'); |
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Array.prototype.forEach.call(filters, function (filter) { |
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filter.addEventListener('click', function () { |
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applyFilter(grid, filter); |
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}); |
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}); |
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|
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grid.addEventListener('click', function (event) { |
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var more = event.target.closest('.king-addons-loop-grid__load-more'); |
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if (more && grid.contains(more)) { |
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if (more.disabled || more.hasAttribute('disabled')) { |
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return; |
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} |
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loadPage(grid, parseInt(grid.dataset.page || '1', 10) + 1, true); |
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return; |
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} |
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|
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var link = event.target.closest('.king-addons-loop-grid__pagination a'); |
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if (!link || !grid.contains(link)) { |
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return; |
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} |
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var href = link.getAttribute('href') || ''; |
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var page = 1; |
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var match = href.match(/ka-loop-[^=]+=(\d+)/); |
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if (match) { |
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page = parseInt(match[1], 10); |
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} else if (link.classList.contains('next')) { |
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page = parseInt(grid.dataset.page || '1', 10) + 1; |
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} else if (link.classList.contains('prev')) { |
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page = Math.max(1, parseInt(grid.dataset.page || '1', 10) - 1); |
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} |
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event.preventDefault(); |
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loadPage(grid, page, false); |
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}); |
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|
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layoutGrid(grid); |
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initCarousel(grid); |
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} |
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|
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/** |
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* Horizontal gutter from the widget's CSS variable (px). Other units fall |
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* back to 24 so Isotope does not treat "1.5em" as 1.5px. |
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* |
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* @param {HTMLElement} grid Grid root. |
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* @return {number} |
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*/ |
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function readGap(grid) { |
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var raw = window.getComputedStyle(grid).getPropertyValue('--ka-loop-gap').trim(); |
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var px = parseFloat(raw); |
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if (!raw || raw.indexOf('px') === -1 || isNaN(px)) { |
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return 24; |
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} |
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return px; |
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} |
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|
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/** |
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* Masonry after images have loaded. |
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* |
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* @param {HTMLElement} grid Grid root. |
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*/ |
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function layoutGrid(grid) { |
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if (grid.dataset.layout !== 'masonry') { |
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return; |
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} |
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|
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var items = grid.querySelector('.king-addons-loop-grid__items'); |
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if (!items || typeof window.IsotopeKng !== 'function') { |
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return; |
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} |
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|
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var run = function () { |
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if (grid._kaIso) { |
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grid._kaIso.reloadItems(); |
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grid._kaIso.layout(); |
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return; |
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} |
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grid._kaIso = new window.IsotopeKng(items, { |
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itemSelector: '.king-addons-loop-grid__item', |
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layoutMode: 'masonry', |
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percentPosition: true, |
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transitionDuration: '0.2s', |
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masonry: { |
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columnWidth: '.king-addons-loop-grid__sizer', |
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gutter: readGap(grid) |
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} |
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}); |
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}; |
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|
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if (typeof window.imagesLoaded === 'function') { |
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window.imagesLoaded(items, run); |
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} else { |
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run(); |
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} |
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} |
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|
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/** |
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* Swiper for carousel layout. |
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* |
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* @param {HTMLElement} grid Grid root. |
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*/ |
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function initCarousel(grid) { |
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if (grid.dataset.layout !== 'carousel' || typeof window.Swiper !== 'function') { |
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return; |
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} |
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|
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var el = grid.querySelector('.king-addons-loop-grid__swiper'); |
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if (!el || el.swiper) { |
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return; |
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} |
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|
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var config = {}; |
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try { |
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config = JSON.parse(grid.dataset.swiper || '{}'); |
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} catch (error) { |
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config = {}; |
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} |
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|
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var options = { |
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slidesPerView: config.slidesMobile || 1, |
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spaceBetween: config.gap || 24, |
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speed: config.speed || 400, |
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loop: !!config.loop, |
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keyboard: { enabled: true }, |
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a11y: { enabled: true }, |
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breakpoints: { |
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768: { slidesPerView: config.slidesTablet || 2 }, |
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1025: { slidesPerView: config.slides || 3 } |
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} |
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}; |
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|
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if (config.autoplay) { |
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options.autoplay = { delay: config.delay || 4000, disableOnInteraction: false }; |
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} |
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if (config.arrows) { |
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options.navigation = { |
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nextEl: el.querySelector('.swiper-button-next'), |
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prevEl: el.querySelector('.swiper-button-prev') |
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}; |
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} |
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if (config.dots) { |
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options.pagination = { |
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el: el.querySelector('.swiper-pagination'), |
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clickable: true |
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}; |
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} |
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|
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grid._kaSwiper = new window.Swiper(el, options); |
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} |
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|
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/** |
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* Switch the active filter and reload page 1. |
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* |
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* @param {HTMLElement} grid Grid root. |
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* @param {HTMLElement} button Filter button. |
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*/ |
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function applyFilter(grid, button) { |
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var next = button.getAttribute('data-filter') || ''; |
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grid.dataset.filter = next; |
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grid.dataset.page = '1'; |
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|
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var buttons = grid.querySelectorAll('.king-addons-loop-grid__filter'); |
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Array.prototype.forEach.call(buttons, function (item) { |
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var on = item === button; |
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item.classList.toggle('is-active', on); |
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item.setAttribute('aria-pressed', on ? 'true' : 'false'); |
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}); |
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|
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var bar = grid.querySelector('.king-addons-loop-grid__filters'); |
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if (bar && bar.getAttribute('data-deeplink') === '1') { |
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var key = 'ka-lf-' + (grid.dataset.elementId || ''); |
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var url = new URL(window.location.href); |
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if (next) { |
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url.searchParams.set(key, next); |
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} else { |
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url.searchParams.delete(key); |
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} |
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window.history.replaceState({}, '', url.toString()); |
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} |
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|
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loadPage(grid, 1, false); |
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} |
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|
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/** |
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* Fetch a page: append for load more, replace otherwise. |
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* |
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* @param {HTMLElement} grid Grid root. |
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* @param {number} page Page number. |
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* @param {boolean} append Load-more mode. |
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*/ |
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function loadPage(grid, page, append) { |
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var ajaxUrl = grid.dataset.ajaxUrl; |
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if (!ajaxUrl) { |
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return; |
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} |
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|
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var button = grid.querySelector('.king-addons-loop-grid__load-more'); |
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if (button) { |
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button.classList.add('king-addons-loop-grid--busy'); |
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button.setAttribute('disabled', 'disabled'); |
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} |
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|
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var body = new URLSearchParams(); |
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body.append('action', 'ka_loop_grid'); |
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body.append('nonce', grid.dataset.nonce || ''); |
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body.append('post_id', grid.dataset.postId || '0'); |
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body.append('element_id', grid.dataset.elementId || ''); |
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body.append('page', String(page)); |
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body.append('context', grid.dataset.context || '{}'); |
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body.append('filter', grid.dataset.filter || ''); |
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|
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fetch(ajaxUrl, { |
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method: 'POST', |
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credentials: 'same-origin', |
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headers: { 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8' }, |
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body: body.toString() |
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}) |
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.then(function (response) { return response.json(); }) |
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.then(function (payload) { |
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if (!payload || !payload.success || !payload.data) { |
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release(button); |
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return; |
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} |
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|
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var items = grid.querySelector('.king-addons-loop-grid__items'); |
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var empty = grid.querySelector('.king-addons-loop-grid__empty'); |
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|
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if (payload.data.empty) { |
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if (items) { |
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items.querySelectorAll('.king-addons-loop-grid__item').forEach(function (node) { |
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node.remove(); |
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}); |
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} |
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if (!empty) { |
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empty = document.createElement('div'); |
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empty.className = 'king-addons-loop-grid__empty'; |
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grid.insertBefore(empty, items); |
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} |
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empty.textContent = payload.data.empty_text || ''; |
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empty.hidden = false; |
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} else if (items && payload.data.html) { |
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if (empty) { |
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empty.hidden = true; |
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} |
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if (append) { |
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items.insertAdjacentHTML('beforeend', payload.data.html); |
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} else { |
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var sizer = items.querySelector('.king-addons-loop-grid__sizer'); |
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items.querySelectorAll('.king-addons-loop-grid__item').forEach(function (node) { |
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node.remove(); |
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}); |
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if (sizer) { |
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sizer.insertAdjacentHTML('afterend', payload.data.html); |
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} else { |
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items.insertAdjacentHTML('beforeend', payload.data.html); |
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} |
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} |
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|
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if (window.elementorFrontend && window.elementorFrontend.elementsHandler) { |
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window.jQuery(items) |
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.find('.elementor-element') |
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.each(function () { |
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window.elementorFrontend.elementsHandler.runReadyTrigger(this); |
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}); |
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} |
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} |
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|
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var footer = grid.querySelector('.king-addons-loop-grid__footer'); |
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if (!append && footer) { |
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footer.innerHTML = payload.data.pagination || ''; |
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} |
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|
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grid.dataset.page = String(payload.data.page || page); |
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grid.dataset.maxPages = String(payload.data.max_pages || grid.dataset.maxPages || '1'); |
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|
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layoutGrid(grid); |
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|
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if (button) { |
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if (parseInt(grid.dataset.page, 10) >= parseInt(grid.dataset.maxPages, 10)) { |
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finish(grid, button); |
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} else { |
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release(button); |
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} |
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} |
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}) |
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.catch(function () { |
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release(button); |
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}); |
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} |
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|
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/** |
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* Re-enable the button. |
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* |
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* @param {HTMLElement|null} button Button. |
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*/ |
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function release(button) { |
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if (!button) { |
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return; |
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} |
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button.classList.remove('king-addons-loop-grid--busy'); |
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button.removeAttribute('disabled'); |
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} |
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|
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/** |
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* Nothing left to load. |
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* |
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* @param {HTMLElement} grid Grid root. |
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* @param {HTMLElement} button Load more button. |
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*/ |
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function finish(grid, button) { |
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button.remove(); |
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var done = grid.querySelector('.king-addons-loop-grid__all-loaded'); |
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if (done) { |
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done.hidden = false; |
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} |
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} |
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|
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/** |
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* Find every grid on the page. |
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* |
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* @param {ParentNode} scope Root to search. |
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*/ |
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function initAll(scope) { |
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var root = scope || document; |
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var grids = root.querySelectorAll('[data-ka-loop-grid]'); |
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Array.prototype.forEach.call(grids, initGrid); |
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} |
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|
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if (document.readyState === 'loading') { |
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document.addEventListener('DOMContentLoaded', function () { |
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initAll(document); |
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}); |
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} else { |
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initAll(document); |
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} |
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|
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window.addEventListener('elementor/frontend/init', function () { |
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if (!window.elementorFrontend || !window.elementorFrontend.hooks) { |
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return; |
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} |
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|
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window.elementorFrontend.hooks.addAction( |
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'frontend/element_ready/king-addons-loop-grid.default', |
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function ($scope) { |
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initAll($scope && $scope[0] ? $scope[0] : document); |
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} |
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); |
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}); |
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})(); |
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|
