feat: Enhance MegaMenu with localization, caching, and new properties
- Added localization support for loading states, empty navigation, and submenu actions in both German and English. - Introduced new properties in IMenuItem for description, openInNewWindow, and external links. - Updated SPTermStorePickerService to handle cache versioning and language-specific caching. - Implemented a new MegaMenuCore service for handling term properties, cache management, and navigation URL resolution. - Refactored TaxonomyNavigationService to build menu hierarchy and filter hidden terms. - Added automated tests for MegaMenu core functionalities and static asset validation. - Removed unused ItemDictionary service. - Created a comprehensive ToDo document outlining the implementation status and future tasks.
This commit is contained in:
Torsten Brendgen
@@ -30,6 +30,10 @@
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constructor(term, depth, siteCollectionUrl) {
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this.title = term.Name;
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this.url = this._getNavigationUrl(term, siteCollectionUrl);
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const properties = term.LocalCustomProperties || {};
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this.description = String(properties['MegaMenu.Description'] || '').trim();
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this.openInNewWindow = this._asBoolean(properties['MegaMenu.OpenInNewWindow']);
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this.external = this._isExternal(this.url, siteCollectionUrl);
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this.items = [];
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this.pathDepth = this._calculateDepth(term.PathOfTerm);
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this.parentId = this._getParentId(term.PathOfTerm);
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@@ -56,9 +60,27 @@
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if (!rawUrl) {
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return undefined;
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}
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return rawUrl.indexOf('~sitecollection') === 0
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if (/[\u0000-\u001f\u007f]/.test(String(rawUrl))) {
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return undefined;
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}
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const resolved = rawUrl.indexOf('~sitecollection') === 0
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? siteCollectionUrl + rawUrl.substring('~sitecollection'.length)
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: rawUrl;
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const protocol = String(resolved).match(/^([a-z][a-z0-9+.-]*):/i);
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if (protocol && ['http', 'https', 'mailto'].indexOf(protocol[1].toLowerCase()) < 0) {
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return undefined;
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}
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return resolved;
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}
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_asBoolean(value) {
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return value === true || ['true', '1', 'yes', 'ja'].indexOf(String(value || '').toLowerCase()) >= 0;
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}
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_isExternal(url, siteCollectionUrl) {
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const target = String(url || '').match(/^(?:(https?):)?\/\/([^/]+)/i);
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const current = String(siteCollectionUrl || '').match(/^(https?):\/\/([^/]+)/i);
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return !!target && (!current || (target[1] || current[1]).toLowerCase() !== current[1].toLowerCase() || target[2].toLowerCase() !== current[2].toLowerCase());
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}
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}
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@@ -67,21 +89,65 @@
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// ===========================================
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class TaxonomyNavigationService {
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constructor(context, termSetIdentifier) {
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constructor(context, termSetIdentifier, options) {
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this.context = context;
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this.termSetIdentifier = termSetIdentifier;
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this.options = options || {};
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this._siteCollectionUrl = context.pageContext.site.absoluteUrl;
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this._languageLcid = Number(this.options.languageLcid) || 1033;
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this._cacheMinutes = Math.min(Math.max(Number(this.options.cacheMinutes) || 15, 1), 1440);
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this._cacheVersion = String(this.options.cacheVersion || '1');
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}
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async getMenuItems() {
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console.log('[TaxonomyService] Loading terms for:', this.termSetIdentifier);
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const cached = this._getCache(false);
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if (cached) {
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return this._processTerms(cached);
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}
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const stale = this._getCache(true);
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try {
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const termSet = await this._loadTermSet(this.termSetIdentifier);
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this._setCache(termSet);
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return this._processTerms(termSet);
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} catch (error) {
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console.error('[TaxonomyService] Error loading terms:', error);
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return [this._createNoTermsItem()];
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if (stale) {
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console.warn('[TaxonomyService] Using stale cache after taxonomy error.');
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return this._processTerms(stale);
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}
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throw error;
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}
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}
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_cacheKey() {
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const normalize = value => encodeURIComponent(String(value || '').trim().toLowerCase());
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return 'MegaMenu:TermSet:v3:' + normalize(this._siteCollectionUrl) + ':' + normalize(this.termSetIdentifier) + ':' + this._languageLcid + ':' + normalize(this._cacheVersion);
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}
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_getCache(allowExpired) {
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try {
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const serialized = window.sessionStorage.getItem(this._cacheKey());
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if (!serialized) return null;
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const entry = JSON.parse(serialized);
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if (!entry || !entry.value || !entry.expiresAt) {
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window.sessionStorage.removeItem(this._cacheKey());
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return null;
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}
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return entry.expiresAt > Date.now() || allowExpired ? entry.value : null;
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} catch (error) {
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return null;
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}
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}
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_setCache(value) {
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try {
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window.sessionStorage.setItem(this._cacheKey(), JSON.stringify({
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expiresAt: Date.now() + this._cacheMinutes * 60 * 1000,
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value: value
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}));
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} catch (error) {
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console.warn('[TaxonomyService] Cache could not be written.', error);
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}
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}
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@@ -97,7 +163,7 @@
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return;
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}
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const termSets = termStore.getTermSetsByName(termSetIdentifier, 1033);
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const termSets = termStore.getTermSetsByName(termSetIdentifier, this._languageLcid);
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context.load(termSets);
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context.executeQueryAsync(
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@@ -123,14 +189,15 @@
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const enumerator = terms.getEnumerator();
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while (enumerator.moveNext()) {
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const term = enumerator.get_current();
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if (!term.get_isAvailableForTagging() || term.get_isDeprecated()) {
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const properties = this._getCustomProperties(term);
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if (!term.get_isAvailableForTagging() || term.get_isDeprecated() || this._asBoolean(properties['MegaMenu.Hidden'])) {
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continue;
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}
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processedTerms.push({
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Id: term.get_id().toString(),
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Name: term.get_name(),
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PathOfTerm: term.get_pathOfTerm(),
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LocalCustomProperties: this._getCustomProperties(term),
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LocalCustomProperties: properties,
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IsRoot: term.get_pathOfTerm().split(';').length === 1
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});
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}
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@@ -147,13 +214,20 @@
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return {
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_Sys_Nav_SimpleLinkUrl: props._Sys_Nav_SimpleLinkUrl || null,
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_Sys_Nav_TargetUrl: props._Sys_Nav_TargetUrl || null,
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_Sys_Nav_HoverText: props._Sys_Nav_HoverText || null
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_Sys_Nav_HoverText: props._Sys_Nav_HoverText || null,
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'MegaMenu.Hidden': props['MegaMenu.Hidden'] || null,
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'MegaMenu.OpenInNewWindow': props['MegaMenu.OpenInNewWindow'] || null,
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'MegaMenu.Description': props['MegaMenu.Description'] || null
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};
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} catch (e) {
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return {};
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}
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}
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_asBoolean(value) {
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return value === true || ['true', '1', 'yes', 'ja'].indexOf(String(value || '').toLowerCase()) >= 0;
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}
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_processTerms(termsData) {
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const itemsDict = new ItemDictionary();
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const itemsByPath = {};
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@@ -202,10 +276,11 @@
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// ===========================================
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class MegaMenuRenderer {
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constructor(context, menuItems, menuMode) {
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constructor(context, menuItems, menuMode, strings) {
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this.context = context;
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this.menuItems = menuItems;
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this.menuMode = menuMode === 'flyout' ? 'flyout' : 'megaMenu';
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this.strings = strings || { navigationLabel: 'Main navigation', openNavigation: 'Open navigation', closeNavigation: 'Close navigation', openSubmenu: 'Open submenu for', closeSubmenu: 'Close submenu for', submenuLabel: 'submenu', externalLink: 'external link' };
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}
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render(container) {
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@@ -215,12 +290,21 @@
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nav.id = 'Mega-Menu';
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nav.className = 'mega-menu-main mega-menu-mode-' + this.menuMode;
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nav.setAttribute('data-menu-mode', this.menuMode);
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nav.setAttribute('role', 'navigation');
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nav.setAttribute('aria-label', 'Hauptnavigation');
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nav.setAttribute('aria-label', this.strings.navigationLabel);
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const mobileToggle = document.createElement('button');
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mobileToggle.type = 'button';
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mobileToggle.className = 'mega-menu-mobile-toggle';
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mobileToggle.setAttribute('aria-expanded', 'false');
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mobileToggle.setAttribute('aria-controls', 'Mega-Menu-Items');
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mobileToggle.setAttribute('aria-label', this.strings.openNavigation);
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mobileToggle.innerHTML = '<span class="mega-menu-mobile-icon" aria-hidden="true"></span><span class="mega-menu-mobile-label"></span>';
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mobileToggle.querySelector('.mega-menu-mobile-label').textContent = this.strings.navigationLabel;
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nav.appendChild(mobileToggle);
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const topLevelUl = document.createElement('ul');
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topLevelUl.className = 'mega-menu-top-level';
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topLevelUl.setAttribute('role', 'menubar');
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topLevelUl.id = 'Mega-Menu-Items';
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this.menuItems.forEach(topLevelItem => {
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const topLevelLi = this.createTopLevelItem(topLevelItem);
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@@ -236,35 +320,42 @@
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createTopLevelItem(item) {
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const li = document.createElement('li');
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li.className = 'mega-menu-top-item';
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li.setAttribute('role', 'none');
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const hasChildren = item.items && item.items.length > 0;
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li.className = hasChildren ? 'mega-menu-top-item has-children' : 'mega-menu-top-item';
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if (item.url && item.items.length === 0) {
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// Simple link
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if (item.url) {
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const a = document.createElement('a');
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a.href = item.url;
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a.textContent = item.title;
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a.className = 'menu-item-link';
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a.setAttribute('role', 'menuitem');
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a.setAttribute('tabindex', '0');
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this.applyLinkBehavior(a, item);
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li.appendChild(a);
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} else {
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// Menu with submenu
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const span = document.createElement('span');
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span.textContent = item.title;
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span.className = 'menu-item-text';
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span.setAttribute('role', 'menuitem');
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span.setAttribute('tabindex', '0');
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span.setAttribute('aria-haspopup', 'true');
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span.setAttribute('aria-expanded', 'false');
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if (!hasChildren) span.setAttribute('tabindex', '0');
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li.appendChild(span);
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}
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if (item.items.length > 0) {
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const megaMenu = this.menuMode === 'flyout'
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? this.createFlyoutMenu(item.items)
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: this.createMegaMenu(item.items);
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li.appendChild(megaMenu);
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}
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if (hasChildren) {
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const toggle = document.createElement('button');
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const menuId = 'Mega-Menu-Panel-' + String(item.id).replace(/[^a-z0-9_-]/gi, '');
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toggle.type = 'button';
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toggle.className = 'menu-item-toggle';
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toggle.setAttribute('aria-haspopup', 'true');
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toggle.setAttribute('aria-expanded', 'false');
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toggle.setAttribute('aria-controls', menuId);
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toggle.setAttribute('aria-label', this.strings.openSubmenu + ' ' + item.title);
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toggle.innerHTML = '<span aria-hidden="true"></span>';
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li.appendChild(toggle);
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const megaMenu = this.menuMode === 'flyout'
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? this.createFlyoutMenu(item.items)
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: this.createMegaMenu(item.items);
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megaMenu.id = menuId;
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megaMenu.setAttribute('aria-expanded', 'false');
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megaMenu.setAttribute('aria-label', item.title + ' ' + this.strings.submenuLabel);
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li.appendChild(megaMenu);
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}
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return li;
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@@ -273,7 +364,6 @@
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createMegaMenu(categories) {
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const megaMenuDiv = document.createElement('div');
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megaMenuDiv.className = 'mega-menu';
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megaMenuDiv.setAttribute('role', 'menu');
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const gridDiv = document.createElement('div');
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gridDiv.className = 'mega-menu-grid';
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@@ -297,7 +387,7 @@
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const a = document.createElement('a');
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a.href = category.url;
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a.textContent = category.title;
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a.setAttribute('tabindex', '0');
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this.applyLinkBehavior(a, category);
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h3.appendChild(a);
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} else {
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const span = document.createElement('span');
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@@ -307,19 +397,23 @@
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categoryDiv.appendChild(h3);
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if (category.description) {
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const description = document.createElement('p');
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description.className = 'mega-menu-description';
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description.textContent = category.description;
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categoryDiv.appendChild(description);
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}
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if (category.items.length > 0) {
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const ul = document.createElement('ul');
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ul.setAttribute('role', 'group');
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category.items.forEach(link => {
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const li = document.createElement('li');
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li.setAttribute('role', 'none');
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const a = document.createElement('a');
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a.href = link.url;
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a.href = link.url || '#';
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a.textContent = link.title;
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a.setAttribute('role', 'menuitem');
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a.setAttribute('tabindex', '0');
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this.applyLinkBehavior(a, link);
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li.appendChild(a);
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ul.appendChild(li);
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@@ -334,7 +428,6 @@
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createFlyoutMenu(items) {
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const flyout = document.createElement('div');
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flyout.className = 'mega-menu mega-menu-flyout';
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flyout.setAttribute('role', 'menu');
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const list = document.createElement('ul');
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list.className = 'flyout-list flyout-level-2';
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@@ -352,21 +445,28 @@
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const element = document.createElement(item.url ? 'a' : 'span');
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if (item.url) {
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element.href = item.url;
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this.applyLinkBehavior(element, item);
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} else {
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element.setAttribute('tabindex', '0');
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}
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element.textContent = item.title;
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element.className = hasChildren ? 'flyout-link flyout-link-has-children' : 'flyout-link';
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element.setAttribute('role', 'menuitem');
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if (hasChildren) {
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element.setAttribute('aria-haspopup', 'true');
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}
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li.appendChild(element);
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if (hasChildren) {
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const toggle = document.createElement('button');
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const childId = 'Mega-Menu-Flyout-' + String(item.id).replace(/[^a-z0-9_-]/gi, '');
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toggle.type = 'button';
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toggle.className = 'flyout-toggle';
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toggle.setAttribute('aria-expanded', 'false');
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toggle.setAttribute('aria-controls', childId);
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toggle.setAttribute('aria-label', this.strings.openSubmenu + ' ' + item.title);
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toggle.innerHTML = '<span aria-hidden="true"></span>';
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li.appendChild(toggle);
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const childList = document.createElement('ul');
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childList.className = 'flyout-list flyout-level-3';
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childList.setAttribute('role', 'menu');
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childList.id = childId;
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childList.setAttribute('aria-label', item.title + ' ' + this.strings.submenuLabel);
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item.items.forEach(child => childList.appendChild(this.createFlyoutItem(child)));
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li.appendChild(childList);
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}
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@@ -375,15 +475,78 @@
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}
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attachEventListeners() {
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// Keyboard and mouse event handling (simplified)
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const menuItems = document.querySelectorAll('#Mega-Menu [role="menuitem"]');
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menuItems.forEach(item => {
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item.addEventListener('keydown', this.handleKeyDown.bind(this));
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const parent = item.parentElement;
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if (parent && parent.querySelector('.mega-menu')) {
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parent.addEventListener('mouseenter', this.showMegaMenu);
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parent.addEventListener('mouseleave', this.hideMegaMenu);
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const renderer = this;
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const toggles = document.querySelectorAll('#Mega-Menu > ul > li > .menu-item-toggle');
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Array.prototype.forEach.call(toggles, toggle => {
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const parent = toggle.parentElement;
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const panel = parent.querySelector('.mega-menu');
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const setOpen = open => {
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renderer.closeAll(panel);
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toggle.setAttribute('aria-expanded', String(open));
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toggle.setAttribute('aria-label', (open ? renderer.strings.closeSubmenu : renderer.strings.openSubmenu) + ' ' + renderer.getToggleLabel(toggle));
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panel.setAttribute('aria-expanded', String(open));
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panel.classList.toggle('js-open', open);
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};
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toggle.addEventListener('click', event => { event.preventDefault(); setOpen(toggle.getAttribute('aria-expanded') !== 'true'); });
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toggle.addEventListener('keydown', event => {
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if (event.key === 'ArrowDown') {
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event.preventDefault(); setOpen(true);
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const firstLink = panel.querySelector('a');
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if (firstLink) firstLink.focus();
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} else if (event.key === 'Escape' || event.key === 'ArrowUp') {
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event.preventDefault(); setOpen(false); toggle.focus();
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}
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});
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let closeTimer;
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parent.addEventListener('mouseenter', () => { window.clearTimeout(closeTimer); setOpen(true); });
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parent.addEventListener('mouseleave', () => { closeTimer = window.setTimeout(() => setOpen(false), 180); });
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});
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const flyoutToggles = document.querySelectorAll('#Mega-Menu .flyout-toggle');
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Array.prototype.forEach.call(flyoutToggles, toggle => {
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const parent = toggle.parentElement;
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const setOpen = open => {
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toggle.setAttribute('aria-expanded', String(open));
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const label = parent.querySelector('.flyout-link');
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toggle.setAttribute('aria-label', (open ? renderer.strings.closeSubmenu : renderer.strings.openSubmenu) + ' ' + (label ? label.textContent : ''));
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parent.classList.toggle('is-open', open);
|
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};
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toggle.addEventListener('click', event => { event.preventDefault(); setOpen(toggle.getAttribute('aria-expanded') !== 'true'); });
|
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toggle.addEventListener('keydown', event => { if (event.key === 'Escape') { event.preventDefault(); setOpen(false); toggle.focus(); } });
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parent.addEventListener('mouseenter', () => setOpen(true));
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parent.addEventListener('mouseleave', () => setOpen(false));
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parent.addEventListener('focusin', () => setOpen(true));
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parent.addEventListener('focusout', () => window.setTimeout(() => { if (!parent.contains(document.activeElement)) setOpen(false); }, 0));
|
||||
});
|
||||
|
||||
const mobileToggle = document.querySelector('#Mega-Menu > .mega-menu-mobile-toggle');
|
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if (mobileToggle) {
|
||||
mobileToggle.addEventListener('click', () => {
|
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const nav = mobileToggle.parentElement;
|
||||
const open = mobileToggle.getAttribute('aria-expanded') !== 'true';
|
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mobileToggle.setAttribute('aria-expanded', String(open));
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mobileToggle.setAttribute('aria-label', open ? renderer.strings.closeNavigation : renderer.strings.openNavigation);
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nav.classList.toggle('is-mobile-open', open);
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||||
if (!open) renderer.closeAll();
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||||
});
|
||||
}
|
||||
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||||
document.addEventListener('keydown', event => {
|
||||
if (event.key === 'Escape') {
|
||||
const openPanel = document.querySelector('#Mega-Menu .mega-menu.js-open');
|
||||
if (openPanel) {
|
||||
const toggle = openPanel.previousElementSibling;
|
||||
renderer.closePanel(toggle, openPanel);
|
||||
toggle.focus();
|
||||
}
|
||||
}
|
||||
if ((event.key === 'ArrowLeft' || event.key === 'ArrowRight') && document.activeElement.closest('.mega-menu-top-item')) {
|
||||
const items = Array.prototype.slice.call(document.querySelectorAll('#Mega-Menu > ul > .mega-menu-top-item'));
|
||||
const current = document.activeElement.closest('.mega-menu-top-item');
|
||||
const index = items.indexOf(current);
|
||||
const target = items[(index + (event.key === 'ArrowRight' ? 1 : -1) + items.length) % items.length];
|
||||
const focusTarget = target.querySelector('a, .menu-item-toggle');
|
||||
if (focusTarget) { event.preventDefault(); focusTarget.focus(); }
|
||||
}
|
||||
});
|
||||
}
|
||||
@@ -398,49 +561,32 @@
|
||||
document.body.appendChild(announcer);
|
||||
}
|
||||
|
||||
showMegaMenu() {
|
||||
const megaMenu = this.querySelector('.mega-menu');
|
||||
if (megaMenu) {
|
||||
megaMenu.classList.add('js-open');
|
||||
const menuItem = this.querySelector('[role="menuitem"]');
|
||||
if (menuItem) {
|
||||
menuItem.setAttribute('aria-expanded', 'true');
|
||||
}
|
||||
}
|
||||
closePanel(toggle, panel) {
|
||||
toggle.setAttribute('aria-expanded', 'false');
|
||||
toggle.setAttribute('aria-label', this.strings.openSubmenu + ' ' + this.getToggleLabel(toggle));
|
||||
panel.setAttribute('aria-expanded', 'false');
|
||||
panel.classList.remove('js-open');
|
||||
}
|
||||
|
||||
hideMegaMenu() {
|
||||
const megaMenu = this.querySelector('.mega-menu');
|
||||
if (megaMenu) {
|
||||
megaMenu.classList.remove('js-open');
|
||||
const menuItem = this.querySelector('[role="menuitem"]');
|
||||
if (menuItem) {
|
||||
menuItem.setAttribute('aria-expanded', 'false');
|
||||
}
|
||||
}
|
||||
closeAll(exceptPanel) {
|
||||
const panels = document.querySelectorAll('#Mega-Menu .mega-menu.js-open');
|
||||
Array.prototype.forEach.call(panels, panel => {
|
||||
if (panel !== exceptPanel) this.closePanel(panel.previousElementSibling, panel);
|
||||
});
|
||||
}
|
||||
|
||||
handleKeyDown(e) {
|
||||
// Keyboard navigation logic (simplified)
|
||||
if (e.key === 'Enter' || e.key === ' ') {
|
||||
e.preventDefault();
|
||||
const parent = e.target.parentElement;
|
||||
const megaMenu = parent.querySelector('.mega-menu');
|
||||
if (megaMenu) {
|
||||
megaMenu.classList.toggle('js-open');
|
||||
e.target.setAttribute('aria-expanded',
|
||||
megaMenu.classList.contains('js-open') ? 'true' : 'false');
|
||||
}
|
||||
} else if (e.key === 'Escape') {
|
||||
const megaMenu = document.querySelector('.mega-menu.js-open');
|
||||
if (megaMenu) {
|
||||
megaMenu.classList.remove('js-open');
|
||||
const menuItem = megaMenu.parentElement.querySelector('[role="menuitem"]');
|
||||
if (menuItem) {
|
||||
menuItem.setAttribute('aria-expanded', 'false');
|
||||
menuItem.focus();
|
||||
}
|
||||
}
|
||||
getToggleLabel(toggle) {
|
||||
const label = toggle.parentElement.querySelector('.menu-item-link, .menu-item-text');
|
||||
return label ? label.textContent : '';
|
||||
}
|
||||
|
||||
applyLinkBehavior(link, item) {
|
||||
if (item.openInNewWindow) {
|
||||
link.target = '_blank';
|
||||
link.rel = 'noopener noreferrer';
|
||||
}
|
||||
if (item.external) {
|
||||
link.setAttribute('aria-label', item.title + ' (' + this.strings.externalLink + ')');
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user