734 lines
24 KiB
JavaScript
734 lines
24 KiB
JavaScript
/**
|
|
* Homepage Fixed - Interactive Layer (v2.0 Zibll-aligned)
|
|
*
|
|
* Unified AJAX protocol for homepage tabs, sort, and pagination.
|
|
* Uses Zibll-style ajaxpager DOM conventions and custom event flow:
|
|
* post_ajax.before → fetch → post_ajax.ed → aksrt:posts:rendered
|
|
*
|
|
* @package AKSRT
|
|
* @since 4.0.0
|
|
*/
|
|
(function () {
|
|
'use strict';
|
|
|
|
var SORT_QUERY_KEY = 'home_sort';
|
|
var DEFAULT_SORT = 'modified';
|
|
var REST_PATH = '/wp-json/aksrt/v1/homepage/tab-posts';
|
|
|
|
/* ============================================================
|
|
* Utilities
|
|
* ============================================================ */
|
|
|
|
function getViewMode() {
|
|
return getDefaultView();
|
|
}
|
|
|
|
function getRenderedPostCount(scope) {
|
|
if (!scope) return 0;
|
|
return scope.querySelectorAll('.posts-item, .posts-mini').length;
|
|
}
|
|
|
|
function getHomepagePerPage(panel) {
|
|
var panelCount = getRenderedPostCount(panel);
|
|
if (panelCount > 0) return panelCount;
|
|
|
|
var configured = window.aksrtData && parseInt(aksrtData.homepagePostsPerPage, 10);
|
|
if (configured && configured > 0) return configured;
|
|
|
|
var latestPanel = document.querySelector('[data-home-tab-panel="latest"]');
|
|
var latestCount = getRenderedPostCount(latestPanel);
|
|
return latestCount || 10;
|
|
}
|
|
|
|
function getDefaultSort() {
|
|
var configured = window.aksrtData && aksrtData.homepageDefaultSort;
|
|
var allowed = ['modified', 'date', 'downloads', 'views', 'likes', 'comments'];
|
|
return allowed.indexOf(configured) !== -1 ? configured : DEFAULT_SORT;
|
|
}
|
|
|
|
function getDefaultView() {
|
|
var panel = document.querySelector('[data-home-tab-panel][data-view]');
|
|
return panel && panel.getAttribute('data-view') === 'card' ? 'card' : 'list';
|
|
}
|
|
|
|
function isSortAjaxEnabled(sortbar) {
|
|
var attr = sortbar && sortbar.getAttribute('data-sort-ajax');
|
|
if (attr === 'false') return false;
|
|
return !(window.aksrtData && aksrtData.homepageSortAjax === false);
|
|
}
|
|
|
|
function isStickyTabsEnabled() {
|
|
return !(window.aksrtData && aksrtData.homepageStickyTabs === false);
|
|
}
|
|
|
|
function getRestBaseUrl() {
|
|
var baseUrl = (window.aksrtData && aksrtData.siteUrl) || '/';
|
|
return baseUrl.replace(/\/?$/, '');
|
|
}
|
|
|
|
function getSortFromUrl() {
|
|
return new URLSearchParams(window.location.search).get(SORT_QUERY_KEY) || getDefaultSort();
|
|
}
|
|
|
|
function getCurrentSort(stream) {
|
|
var activeLink = stream ? stream.querySelector('.aksrt-homepage__sortbar-link.is-active') : null;
|
|
return (activeLink && activeLink.getAttribute('data-sort')) || getSortFromUrl();
|
|
}
|
|
|
|
function setActiveSortLink(sortbar, sort) {
|
|
var links = sortbar.querySelectorAll('.aksrt-homepage__sortbar-link, .aksrt-homepage__sortbar-dropdown-item');
|
|
links.forEach(function (link) {
|
|
link.classList.toggle('is-active', link.getAttribute('data-sort') === sort);
|
|
});
|
|
// Update dropdown trigger text to match the active item
|
|
var activeItem = sortbar.querySelector('.aksrt-homepage__sortbar-dropdown-item[data-sort="' + sort + '"]');
|
|
var trigger = sortbar.querySelector('[data-sort-dropdown-trigger]');
|
|
if (activeItem && trigger) {
|
|
trigger.firstChild.textContent = activeItem.textContent;
|
|
}
|
|
}
|
|
|
|
function normalizeHomepageUrl(url) {
|
|
url.searchParams.delete('paged');
|
|
url.searchParams.delete('page');
|
|
url.pathname = url.pathname.replace(/\/page\/\d+\/?$/, '/');
|
|
return url;
|
|
}
|
|
|
|
function replaceUrlSort(sort) {
|
|
if (!window.history || !window.history.replaceState) return;
|
|
var url = normalizeHomepageUrl(new URL(window.location.href));
|
|
url.searchParams.set(SORT_QUERY_KEY, sort);
|
|
window.history.replaceState({}, '', url.toString());
|
|
}
|
|
|
|
function getStreamViewMode(stream) {
|
|
var panel = getActivePanel(stream);
|
|
return panel && panel.getAttribute('data-view') === 'card' ? 'card' : 'list';
|
|
}
|
|
|
|
function getActivePanel(stream) {
|
|
return stream.querySelector('.aksrt-homepage__panel.is-active, .aksrt-homepage__panel:not([hidden])');
|
|
}
|
|
|
|
function getPanelTermId(panel) {
|
|
if (!panel) return 0;
|
|
var target = panel.getAttribute('data-home-tab-panel');
|
|
if (target === 'latest') return 0;
|
|
var match = target ? target.match(/^term-(\d+)$/) : null;
|
|
return match ? parseInt(match[1], 10) : 0;
|
|
}
|
|
|
|
function getPanelTabOrderby(panel) {
|
|
if (!panel) return '';
|
|
return panel.getAttribute('data-tab-orderby') || '';
|
|
}
|
|
|
|
function getPanelSource(panel) {
|
|
var target = panel ? panel.getAttribute('data-home-tab-panel') : '';
|
|
if (target === 'latest') return 'home';
|
|
return target ? 'home' : 'widget';
|
|
}
|
|
|
|
function buildRestUrl(options) {
|
|
options = options || {};
|
|
return getRestBaseUrl() + REST_PATH +
|
|
'?term_id=' + encodeURIComponent(options.termId || 0) +
|
|
'&page=' + encodeURIComponent(options.page || 1) +
|
|
'&per_page=' + encodeURIComponent(options.perPage || 10) +
|
|
'&sort=' + encodeURIComponent(options.sort || getDefaultSort()) +
|
|
'&page_url=' + encodeURIComponent(options.pageUrl || window.location.href) +
|
|
'&panel=' + encodeURIComponent(options.panel || 'latest') +
|
|
'&source=' + encodeURIComponent(options.source || 'home') +
|
|
'&tab_orderby=' + encodeURIComponent(options.tabOrderby || '');
|
|
}
|
|
|
|
/* ============================================================
|
|
* Zibll-style event dispatching
|
|
* ============================================================ */
|
|
|
|
/**
|
|
* Dispatch post_ajax.before — fired before AJAX request is sent.
|
|
* Detail: { termId, page, sort, viewMode, panel, source, url }
|
|
*/
|
|
function dispatchBeforeEvent(container, detail) {
|
|
try {
|
|
container.dispatchEvent(new CustomEvent('post_ajax.before', {
|
|
bubbles: true,
|
|
detail: detail
|
|
}));
|
|
} catch (e) { /* */ }
|
|
}
|
|
|
|
/**
|
|
* Dispatch post_ajax.ed — fired after AJAX response is injected.
|
|
* Detail: { termId, page, sort, viewMode, panel, source, total, hasMore }
|
|
*/
|
|
function dispatchAfterEvent(container, detail) {
|
|
try {
|
|
container.dispatchEvent(new CustomEvent('post_ajax.ed', {
|
|
bubbles: true,
|
|
detail: detail
|
|
}));
|
|
} catch (e) { /* */ }
|
|
}
|
|
|
|
/**
|
|
* Dispatch aksrt:posts:rendered — fired after DOM is hydrated (lazyload etc).
|
|
* Detail: { viewMode, panel }
|
|
*/
|
|
function dispatchRenderedEvent(container, detail) {
|
|
try {
|
|
container.dispatchEvent(new CustomEvent('aksrt:posts:rendered', {
|
|
bubbles: true,
|
|
detail: detail
|
|
}));
|
|
} catch (e) { /* */ }
|
|
}
|
|
|
|
/* ============================================================
|
|
* Skeleton, lazyload, and hydration
|
|
* ============================================================ */
|
|
|
|
function buildSkeleton(count) {
|
|
count = count || 3;
|
|
var wrapper = document.createElement('div');
|
|
wrapper.className = 'aksrt-homepage__tab-skeleton';
|
|
for (var i = 0; i < count; i++) {
|
|
var item = document.createElement('div');
|
|
item.className = 'aksrt-homepage__tab-skeleton-item';
|
|
item.innerHTML =
|
|
'<div class="aksrt-homepage__tab-skeleton-thumb"></div>' +
|
|
'<div class="aksrt-homepage__tab-skeleton-body">' +
|
|
'<div class="aksrt-homepage__tab-skeleton-line"></div>' +
|
|
'<div class="aksrt-homepage__tab-skeleton-line"></div>' +
|
|
'<div class="aksrt-homepage__tab-skeleton-line"></div>' +
|
|
'</div>';
|
|
wrapper.appendChild(item);
|
|
}
|
|
return wrapper;
|
|
}
|
|
|
|
/**
|
|
* Hydrate a panel after AJAX content injection.
|
|
* Sets data-view, re-binds lazy images, and dispatches events.
|
|
*/
|
|
function notifyPostsRendered(panel, viewMode) {
|
|
var postsContainer = panel.matches('.aksrt-homepage__posts, .posts-row')
|
|
? panel
|
|
: panel.querySelector('.aksrt-homepage__posts, .posts-row');
|
|
if (postsContainer) {
|
|
postsContainer.setAttribute('data-view', viewMode || getDefaultView());
|
|
}
|
|
|
|
dispatchRenderedEvent(panel, {
|
|
viewMode: viewMode || getDefaultView(),
|
|
panel: panel.getAttribute('data-home-tab-panel') || ''
|
|
});
|
|
}
|
|
|
|
/* ============================================================
|
|
* Unified AJAX panel loader
|
|
* ============================================================ */
|
|
|
|
function renderPanelPager(panel, options, hasMore) {
|
|
var existing = panel.querySelector('.aksrt-homepage__panel-footer');
|
|
if (existing) existing.remove();
|
|
if (!hasMore) return;
|
|
|
|
var footer = document.createElement('div');
|
|
footer.className = 'aksrt-homepage__panel-footer';
|
|
var button = document.createElement('button');
|
|
button.type = 'button';
|
|
button.className = 'aksrt-homepage__more';
|
|
button.textContent = (window.aksrtData && aksrtData.ajaxTrigger) || '加载更多';
|
|
button.addEventListener('click', function () {
|
|
button.disabled = true;
|
|
button.textContent = (window.aksrtData && aksrtData.ajaxLoading) || '正在加载...';
|
|
requestHomepagePanel(panel, {
|
|
termId: options.termId,
|
|
page: options.page + 1,
|
|
perPage: options.perPage,
|
|
sort: options.sort,
|
|
viewMode: options.viewMode,
|
|
pageUrl: options.pageUrl,
|
|
panel: options.panel,
|
|
source: options.source,
|
|
tabOrderby: options.tabOrderby,
|
|
append: true
|
|
});
|
|
});
|
|
footer.appendChild(button);
|
|
panel.appendChild(footer);
|
|
}
|
|
|
|
function buildErrorState(panel, requestOptions) {
|
|
var wrapper = document.createElement('div');
|
|
wrapper.className = 'aksrt-homepage__tab-error';
|
|
|
|
var msg = document.createElement('p');
|
|
msg.textContent = (window.aksrtData && aksrtData.ajaxLoadError) || '加载失败，请重试';
|
|
wrapper.appendChild(msg);
|
|
|
|
var retry = document.createElement('button');
|
|
retry.type = 'button';
|
|
retry.className = 'aksrt-homepage__tab-retry';
|
|
retry.innerHTML = '<i class="fas fa-redo"></i> ' +
|
|
((window.aksrtData && aksrtData.ajaxRetry) || '重试');
|
|
retry.addEventListener('click', function () {
|
|
requestHomepagePanel(panel, requestOptions);
|
|
});
|
|
wrapper.appendChild(retry);
|
|
|
|
return wrapper;
|
|
}
|
|
|
|
/**
|
|
* Core AJAX loader. Shared by tab switch, sort change, pagination, and widget tabs.
|
|
*
|
|
* Dispatches the full Zibll-aligned event lifecycle:
|
|
* 1. post_ajax.before (before fetch)
|
|
* 2. [inject HTML]
|
|
* 3. post_ajax.ed (after inject, before hydrate)
|
|
* 4. aksrt:posts:rendered (after lazyload rebind)
|
|
*/
|
|
function requestHomepagePanel(panel, requestOptions) {
|
|
var options = {
|
|
termId: requestOptions.termId || 0,
|
|
page: requestOptions.page || 1,
|
|
perPage: requestOptions.perPage || getHomepagePerPage(panel),
|
|
sort: requestOptions.sort || getDefaultSort(),
|
|
viewMode: requestOptions.viewMode || getDefaultView(),
|
|
pageUrl: requestOptions.pageUrl || window.location.href,
|
|
panel: requestOptions.panel || panel.getAttribute('data-home-tab-panel') || 'latest',
|
|
source: requestOptions.source || getPanelSource(panel),
|
|
tabOrderby: requestOptions.tabOrderby || getPanelTabOrderby(panel) || '',
|
|
append: requestOptions.append === true
|
|
};
|
|
|
|
var restUrl = buildRestUrl(options);
|
|
var retryCount = 0;
|
|
var maxRetries = 1;
|
|
|
|
// 1. Pre-request event
|
|
dispatchBeforeEvent(panel, {
|
|
termId: options.termId,
|
|
page: options.page,
|
|
sort: options.sort,
|
|
viewMode: options.viewMode,
|
|
panel: options.panel,
|
|
source: options.source,
|
|
url: restUrl
|
|
});
|
|
|
|
// Full refreshes replace the panel; append requests keep existing cards.
|
|
if (!options.append) {
|
|
panel.innerHTML = '';
|
|
panel.appendChild(buildSkeleton(options.perPage > 6 ? 4 : 3));
|
|
}
|
|
|
|
function markLoaded() {
|
|
panel.dataset.loaded = 'true';
|
|
panel.dataset.loadedPage = String(options.page);
|
|
panel.dataset.loadedSort = options.tabOrderby || options.sort;
|
|
panel.dataset.loadedTermId = String(options.termId);
|
|
}
|
|
|
|
function doFetch() {
|
|
fetch(restUrl, {
|
|
method: 'GET',
|
|
headers: { Accept: 'application/json' },
|
|
credentials: 'same-origin'
|
|
})
|
|
.then(function (response) {
|
|
if (!response.ok) throw new Error('HTTP ' + response.status);
|
|
return response.json();
|
|
})
|
|
.then(function (data) {
|
|
if (!options.append) panel.innerHTML = '';
|
|
markLoaded();
|
|
|
|
if (data && data.html) {
|
|
// 2. Inject or append article nodes without nesting a posts-row wrapper.
|
|
if (options.append) {
|
|
var oldFooter = panel.querySelector('.aksrt-homepage__panel-footer');
|
|
if (oldFooter) oldFooter.remove();
|
|
var fragment = document.createElement('div');
|
|
fragment.innerHTML = data.html;
|
|
while (fragment.firstChild) panel.appendChild(fragment.firstChild);
|
|
} else {
|
|
panel.innerHTML = data.html;
|
|
}
|
|
renderPanelPager(panel, options, !!data.has_more);
|
|
|
|
// 3. Post-inject event
|
|
dispatchAfterEvent(panel, {
|
|
termId: options.termId,
|
|
page: options.page,
|
|
sort: options.sort,
|
|
viewMode: options.viewMode,
|
|
panel: options.panel,
|
|
source: options.source,
|
|
total: data.total || 0,
|
|
hasMore: !!data.has_more
|
|
});
|
|
|
|
// 4. Hydrate + rendered event
|
|
notifyPostsRendered(panel, options.viewMode);
|
|
|
|
// 5. Rehydrate dynamic components on new content
|
|
if (window.AksrtFrontend && typeof window.AksrtFrontend.rehydrate === 'function') {
|
|
window.AksrtFrontend.rehydrate(panel, 'ajax');
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Empty response
|
|
var empty = document.createElement('div');
|
|
empty.className = 'no-results';
|
|
empty.innerHTML = '<p>' + ((window.aksrtData && aksrtData.ajaxEmpty) || '暂无文章') + '</p>';
|
|
panel.appendChild(empty);
|
|
|
|
dispatchAfterEvent(panel, {
|
|
termId: options.termId,
|
|
page: options.page,
|
|
sort: options.sort,
|
|
viewMode: options.viewMode,
|
|
panel: options.panel,
|
|
source: options.source,
|
|
total: 0,
|
|
hasMore: false
|
|
});
|
|
})
|
|
.catch(function () {
|
|
if (retryCount < maxRetries) {
|
|
retryCount++;
|
|
window.setTimeout(doFetch, 3000);
|
|
return;
|
|
}
|
|
if (!options.append) panel.innerHTML = '';
|
|
var failedFooter = panel.querySelector('.aksrt-homepage__panel-footer');
|
|
if (failedFooter) failedFooter.remove();
|
|
panel.appendChild(buildErrorState(panel, options));
|
|
});
|
|
}
|
|
|
|
doFetch();
|
|
}
|
|
|
|
/* ============================================================
|
|
* Tab Navigation
|
|
* ============================================================ */
|
|
|
|
function initHomeTabs(scope) {
|
|
var tablists = (scope || document).querySelectorAll('[data-aksrt-home-tabs]');
|
|
|
|
tablists.forEach(function (list, listIndex) {
|
|
var stream = list.closest('.aksrt-homepage__stream');
|
|
if (!stream) return;
|
|
|
|
var buttons = Array.from(list.querySelectorAll('[data-home-tab-target]'));
|
|
var panels = Array.from(stream.querySelectorAll('[data-home-tab-panel]'));
|
|
|
|
if (buttons.length < 2 || !panels.length) return;
|
|
|
|
function getPanel(button) {
|
|
var target = button.getAttribute('data-home-tab-target');
|
|
return panels.find(function (p) {
|
|
return p.getAttribute('data-home-tab-panel') === target;
|
|
});
|
|
}
|
|
|
|
function activate(button) {
|
|
var target = button.getAttribute('data-home-tab-target');
|
|
var panel = getPanel(button);
|
|
var termId = getPanelTermId(panel);
|
|
var currentSort = getCurrentSort(stream);
|
|
var viewMode = getStreamViewMode(stream);
|
|
var tabOrderby = button.getAttribute('data-tab-orderby') || getPanelTabOrderby(panel) || '';
|
|
|
|
// Toggle active state on tab buttons
|
|
buttons.forEach(function (item) {
|
|
var isActive = item === button;
|
|
var itemWrap = item.closest('.aksrt-homepage__tab-item');
|
|
if (itemWrap) itemWrap.classList.toggle('is-active', isActive);
|
|
item.setAttribute('aria-selected', isActive ? 'true' : 'false');
|
|
item.tabIndex = isActive ? 0 : -1;
|
|
});
|
|
|
|
// Toggle active state on panels (ajaxpager convention)
|
|
panels.forEach(function (tabPanel) {
|
|
var isActive = tabPanel === panel;
|
|
tabPanel.classList.toggle('is-active', isActive);
|
|
if (isActive) {
|
|
tabPanel.removeAttribute('hidden');
|
|
tabPanel.setAttribute('aria-hidden', 'false');
|
|
} else {
|
|
tabPanel.setAttribute('hidden', '');
|
|
tabPanel.setAttribute('aria-hidden', 'true');
|
|
}
|
|
});
|
|
|
|
// Load content if needed (lazy AJAX load like Zibll)
|
|
// For tab panels, the "loaded sort" check uses tabOrderby, not main stream sort
|
|
var effectiveSort = tabOrderby || currentSort;
|
|
if (panel && (panel.dataset.loaded !== 'true' || panel.dataset.loadedSort !== effectiveSort)) {
|
|
requestHomepagePanel(panel, {
|
|
termId: termId,
|
|
page: 1,
|
|
perPage: getHomepagePerPage(panel),
|
|
sort: currentSort,
|
|
viewMode: viewMode,
|
|
panel: target,
|
|
source: 'home',
|
|
tabOrderby: tabOrderby
|
|
});
|
|
}
|
|
}
|
|
|
|
// Set up ARIA relationships
|
|
buttons.forEach(function (button) {
|
|
var target = button.getAttribute('data-home-tab-target');
|
|
var panel = getPanel(button);
|
|
var buttonId = 'aksrt-home-tab-' + listIndex + '-' + target;
|
|
|
|
button.id = button.id || buttonId;
|
|
if (panel) {
|
|
panel.id = panel.id || buttonId + '-panel';
|
|
panel.setAttribute('aria-labelledby', button.id);
|
|
button.setAttribute('aria-controls', panel.id);
|
|
// Add ajaxpager class for Zibll DOM convention
|
|
panel.classList.add('ajaxpager');
|
|
}
|
|
|
|
button.addEventListener('click', function () { activate(button); });
|
|
|
|
button.addEventListener('keydown', function (event) {
|
|
if (event.key !== 'ArrowRight' && event.key !== 'ArrowLeft') return;
|
|
event.preventDefault();
|
|
var direction = event.key === 'ArrowRight' ? 1 : -1;
|
|
var currentIndex = buttons.indexOf(button);
|
|
var nextIndex = (currentIndex + direction + buttons.length) % buttons.length;
|
|
var nextButton = buttons[nextIndex];
|
|
if (nextButton) {
|
|
nextButton.focus();
|
|
activate(nextButton);
|
|
}
|
|
});
|
|
});
|
|
|
|
// Mark server-rendered panels as already loaded. The panel itself owns
|
|
// the posts-row contract, so checking descendants would miss SSR items.
|
|
panels.forEach(function (panel) {
|
|
if (getRenderedPostCount(panel) < 1) return;
|
|
panel.dataset.loaded = 'true';
|
|
panel.dataset.loadedPage = '1';
|
|
panel.dataset.loadedSort = getCurrentSort(stream);
|
|
panel.dataset.loadedTermId = String(getPanelTermId(panel));
|
|
});
|
|
|
|
// Activate initial tab
|
|
var initialButton = buttons.find(function (b) {
|
|
return b.getAttribute('aria-selected') === 'true';
|
|
}) || buttons[0];
|
|
activate(initialButton);
|
|
});
|
|
}
|
|
|
|
/* ============================================================
|
|
* Sortbar Dropdown Toggle
|
|
* ============================================================ */
|
|
|
|
function initSortbarDropdown() {
|
|
document.querySelectorAll('[data-sort-dropdown-trigger]').forEach(function (trigger) {
|
|
var wrapper = trigger.closest('.aksrt-homepage__sortbar-dropdown');
|
|
if (!wrapper) return;
|
|
var menu = wrapper.querySelector('.aksrt-homepage__sortbar-dropdown-menu');
|
|
if (!menu) return;
|
|
|
|
function close() {
|
|
menu.setAttribute('hidden', '');
|
|
trigger.setAttribute('aria-expanded', 'false');
|
|
}
|
|
|
|
function toggle() {
|
|
var isOpen = !menu.hasAttribute('hidden');
|
|
if (isOpen) {
|
|
close();
|
|
} else {
|
|
menu.removeAttribute('hidden');
|
|
trigger.setAttribute('aria-expanded', 'true');
|
|
}
|
|
}
|
|
|
|
trigger.addEventListener('click', function (e) {
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
toggle();
|
|
});
|
|
|
|
// Close when clicking an item
|
|
menu.addEventListener('click', function (e) {
|
|
var item = e.target.closest('.aksrt-homepage__sortbar-dropdown-item');
|
|
if (!item) return;
|
|
// Update trigger text
|
|
trigger.firstChild.textContent = item.textContent;
|
|
// Update active state
|
|
menu.querySelectorAll('.aksrt-homepage__sortbar-dropdown-item').forEach(function (el) {
|
|
el.classList.toggle('is-active', el === item);
|
|
});
|
|
close();
|
|
});
|
|
|
|
// Close on outside click
|
|
document.addEventListener('click', function (e) {
|
|
if (!wrapper.contains(e.target)) close();
|
|
});
|
|
|
|
// Close on Escape
|
|
document.addEventListener('keydown', function (e) {
|
|
if (e.key === 'Escape' && !menu.hasAttribute('hidden')) {
|
|
close();
|
|
trigger.focus();
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
/* ============================================================
|
|
* Sortbar AJAX
|
|
* ============================================================ */
|
|
|
|
function initSortbar() {
|
|
document.querySelectorAll('.aksrt-homepage__stream').forEach(function (stream) {
|
|
var sortbar = stream.querySelector('.aksrt-homepage__sortbar');
|
|
if (!sortbar || !isSortAjaxEnabled(sortbar)) return;
|
|
|
|
sortbar.addEventListener('click', function (event) {
|
|
var link = event.target.closest('.aksrt-homepage__sortbar-link, .aksrt-homepage__sortbar-dropdown-item');
|
|
var activePanel = getActivePanel(stream);
|
|
var sort = link ? link.getAttribute('data-sort') : '';
|
|
var termId = getPanelTermId(activePanel);
|
|
|
|
if (!link || !activePanel || !sort) return;
|
|
|
|
event.preventDefault();
|
|
|
|
setActiveSortLink(sortbar, sort);
|
|
replaceUrlSort(sort);
|
|
|
|
requestHomepagePanel(activePanel, {
|
|
termId: termId,
|
|
page: 1,
|
|
perPage: getHomepagePerPage(activePanel),
|
|
sort: sort,
|
|
viewMode: getStreamViewMode(stream),
|
|
panel: activePanel.getAttribute('data-home-tab-panel') || 'latest',
|
|
source: 'home'
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
/* ============================================================
|
|
* Sticky Tabs
|
|
* ============================================================ */
|
|
|
|
function supportsStickyPosition() {
|
|
if (window.CSS && typeof window.CSS.supports === 'function') {
|
|
return window.CSS.supports('position', 'sticky') || window.CSS.supports('position', '-webkit-sticky');
|
|
}
|
|
var testNode = document.createElement('div');
|
|
testNode.style.position = 'sticky';
|
|
return testNode.style.position.indexOf('sticky') !== -1;
|
|
}
|
|
|
|
function getStickyOffset() {
|
|
var docStyles = window.getComputedStyle(document.documentElement);
|
|
var offset = parseFloat(docStyles.getPropertyValue('--nav-height') || '60');
|
|
return isNaN(offset) ? 60 : offset;
|
|
}
|
|
|
|
function initStickyTabs() {
|
|
if (!isStickyTabsEnabled()) return;
|
|
|
|
document.querySelectorAll('.aksrt-homepage__tabs.home-tab-nav-box').forEach(function (tabs) {
|
|
var parent = tabs.parentNode;
|
|
var sentinel = tabs.previousElementSibling;
|
|
var canUseSticky = supportsStickyPosition();
|
|
var hasObserver = 'IntersectionObserver' in window;
|
|
var observer = null;
|
|
|
|
if (!parent || tabs.getAttribute('data-sticky-tabs') === 'false') return;
|
|
|
|
if (!sentinel || !sentinel.classList.contains('aksrt-homepage__tabs-sentinel')) {
|
|
sentinel = document.createElement('div');
|
|
sentinel.className = 'aksrt-homepage__tabs-sentinel';
|
|
parent.insertBefore(sentinel, tabs);
|
|
}
|
|
|
|
function clearAffixBox() {
|
|
sentinel.style.height = '1px';
|
|
tabs.style.left = '';
|
|
tabs.style.width = '';
|
|
}
|
|
|
|
function syncAffixBox() {
|
|
var rect = sentinel.getBoundingClientRect();
|
|
sentinel.style.height = tabs.offsetHeight + 'px';
|
|
tabs.style.left = rect.left + 'px';
|
|
tabs.style.width = rect.width + 'px';
|
|
}
|
|
|
|
function setStickyState(isStuck) {
|
|
tabs.classList.toggle('is-stuck', isStuck);
|
|
if (!canUseSticky) {
|
|
tabs.classList.toggle('is-affixed', isStuck);
|
|
if (isStuck) { syncAffixBox(); } else { clearAffixBox(); }
|
|
return;
|
|
}
|
|
tabs.classList.remove('is-affixed');
|
|
clearAffixBox();
|
|
}
|
|
|
|
function evaluateFallbackState() {
|
|
setStickyState(sentinel.getBoundingClientRect().top <= getStickyOffset());
|
|
}
|
|
|
|
if (canUseSticky && hasObserver) {
|
|
var bindObserver = function () {
|
|
if (observer) observer.disconnect();
|
|
observer = new IntersectionObserver(function (entries) {
|
|
setStickyState(!entries[0].isIntersecting);
|
|
}, { rootMargin: '-' + getStickyOffset() + 'px 0px 0px 0px', threshold: [1] });
|
|
observer.observe(sentinel);
|
|
};
|
|
bindObserver();
|
|
window.addEventListener('resize', bindObserver);
|
|
return;
|
|
}
|
|
|
|
window.addEventListener('scroll', evaluateFallbackState, { passive: true });
|
|
window.addEventListener('resize', evaluateFallbackState);
|
|
evaluateFallbackState();
|
|
});
|
|
}
|
|
|
|
/* ============================================================
|
|
* Init
|
|
* ============================================================ */
|
|
|
|
function init() {
|
|
initHomeTabs();
|
|
initSortbarDropdown();
|
|
initSortbar();
|
|
initStickyTabs();
|
|
}
|
|
|
|
if (document.readyState === 'loading') {
|
|
document.addEventListener('DOMContentLoaded', init);
|
|
} else {
|
|
init();
|
|
}
|
|
})();
|