.

public/js/legal-ui.js

@@ -36,6 +36,7 @@
   function qsa(selector, root = document) {
     if (root && typeof root.querySelectorAll === 'function') return Array.from(root.querySelectorAll(selector));
     if (root !== document && typeof document.querySelectorAll === 'function') return Array.from(document.querySelectorAll(selector));
+    if (root === document && typeof document.querySelectorAll === 'function') return Array.from(document.querySelectorAll(selector));
     return [];
   }
 
@@ -112,8 +113,7 @@
         'aria-label': 'Informationsmenü öffnen',
         title: 'Informationen'
       });
-      const icon = createElement('span', { 'aria-hidden': 'true' }, 'i');
-      append(infoButton, icon);
+      append(infoButton, createElement('span', { 'aria-hidden': 'true' }, 'i'));
       append(control, infoButton);
     }
 
@@ -134,7 +134,7 @@
       if (typeof infoButton.getAttribute !== 'function' || !infoButton.getAttribute('aria-label')) {
         setAttribute(infoButton, 'aria-label', 'Informationsmenü öffnen');
       }
-      if (!String(infoButton.textContent ?? '').trim() && typeof document.createElement === 'function') {
+      if (!String(infoButton.textContent ?? '').trim()) {
         append(infoButton, createElement('span', { 'aria-hidden': 'true' }, 'i'));
       }
     }
@@ -145,8 +145,8 @@
 
       menuEntries.forEach(([target, label]) => {
         let button = qs(`[data-info-target="${target}"]`, dropdown)
-          || qsa('[data-info-target]').find(item => item.dataset?.infoTarget === target);
-        if (!button && typeof document.createElement === 'function') {
+          || qsa('[data-info-target]', dropdown).find(item => item.dataset?.infoTarget === target);
+        if (!button) {
           button = createElement('button', {
             type: 'button',
             dataset: { infoTarget: target }
@@ -231,26 +231,20 @@
       }
     }
 
-    if (dialog) {
-      setAttribute(dialog, 'aria-labelledby', 'info-dialog-title');
-    }
+    if (dialog) setAttribute(dialog, 'aria-labelledby', 'info-dialog-title');
     if (backButton) {
       setAttribute(backButton, 'type', 'button');
       setAttribute(backButton, 'aria-label', 'Zurück zum Informationsmenü');
       backButton.hidden = true;
     }
-    if (legacyMenu) {
-      legacyMenu.hidden = true;
-    }
+    if (legacyMenu) legacyMenu.hidden = true;
     if (closeButton) {
       setAttribute(closeButton, 'type', 'button');
       setAttribute(closeButton, 'aria-label', 'Informationsfenster schließen');
       if (!String(closeButton.textContent ?? '').trim()) closeButton.textContent = '×';
     }
 
-    if (content) {
-      Object.keys(pageTitles).forEach(name => ensureInfoPage(content, name));
-    }
+    if (content) Object.keys(pageTitles).forEach(name => ensureInfoPage(content, name));
 
     return { dialog, title, backButton, legacyMenu, closeButton, content };
   }
@@ -302,8 +296,31 @@
     setAttribute(elements.infoButton, 'aria-expanded', dropdownOpen ? 'true' : 'false');
   }
 
-  function toggleDropdown() {
+  function hidePages() {
+    qsa('[data-info-page]').forEach(item => {
+      item.hidden = true;
+    });
+  }
+
+  function openLegacyMenu() {
+    if (!elements?.dialog) return;
+    hidePages();
+    if (elements.title) elements.title.textContent = 'Informationen';
+    if (elements.legacyMenu) elements.legacyMenu.hidden = false;
+    if (elements.backButton) elements.backButton.hidden = true;
+    if (!elements.dialog.open) {
+      if (typeof elements.dialog.showModal === 'function') elements.dialog.showModal();
+      else setAttribute(elements.dialog, 'open', '');
+    }
+    focusSafely(elements.closeButton ?? elements.dialog);
+  }
+
+  function handleInfoButton() {
+    if (elements?.dropdown) {
       setDropdownOpen(!dropdownOpen);
+      return;
+    }
+    openLegacyMenu();
   }
 
   function elementContains(element, target) {
@@ -361,6 +378,8 @@
     if (!elements?.dialog) return;
     const pageName = Object.prototype.hasOwnProperty.call(pageTitles, name) ? name : 'privacy';
     setDropdownOpen(false);
+    if (elements?.legacyMenu) elements.legacyMenu.hidden = true;
+    if (elements?.backButton) elements.backButton.hidden = !elements?.legacyMenu;
     showPage(pageName);
     syncStorageToggles();
     if (!elements.dialog.open) {
@@ -384,7 +403,7 @@
       if (toggle.dataset?.wegwichtelStorageBound === 'true') return;
       if (toggle.dataset) toggle.dataset.wegwichtelStorageBound = 'true';
       toggle.addEventListener('change', event => {
-        const source = event.currentTarget || toggle;
+        const source = event.currentTarget || event.target || toggle;
         const enabled = setProgressStorageEnabled(Boolean(source.checked));
         syncStorageToggles();
         document.dispatchEvent(new CustomEvent('wegwichtel:progress-storage-changed', {
@@ -394,12 +413,18 @@
     });
   }
 
-  function bindDialog() {
-    activate(elements?.infoButton, toggleDropdown);
-    activate(elements?.closeButton, closeDialog);
-    activate(elements?.backButton, () => setDropdownOpen(true));
+  function infoTargetButtons() {
+    if (elements?.dropdown) return qsa('[data-info-target]', elements.dropdown);
+    if (elements?.legacyMenu) return qsa('[data-info-target]', elements.legacyMenu);
+    return qsa('[data-info-target]');
+  }
 
-    qsa('[data-info-target]', elements?.dropdown).forEach(button => {
+  function bindDialog() {
+    activate(elements?.infoButton, handleInfoButton);
+    activate(elements?.closeButton, closeDialog);
+    activate(elements?.backButton, openLegacyMenu);
+
+    infoTargetButtons().forEach(button => {
       activate(button, () => openDialog(button.dataset?.infoTarget));
     });
 
@@ -441,7 +466,7 @@
     ns.LegalUi = Object.freeze({
       open: openDialog,
       close: closeDialog,
-      toggleMenu: toggleDropdown,
+      toggleMenu: handleInfoButton,
       closeMenu: () => setDropdownOpen(false),
       syncStorageToggles
     });