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165 changes: 165 additions & 0 deletions site/assets/js/navbar.js
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/

// Progressive Navigation and Mobile Sidebar
document.addEventListener('DOMContentLoaded', function() {
// Mobile sidebar functionality (DevLake-style slide-out)
const navbarToggler = document.querySelector('.navbar-toggler');
const mobileOverlay = document.getElementById('mobile_overlay');
const mobileSidebar = document.getElementById('sidebar_menu');
const sidebarClose = document.querySelector('.mobile-sidebar-close');

function openMobileSidebar() {
if (mobileOverlay && mobileSidebar) {
mobileOverlay.classList.add('show');
mobileSidebar.classList.add('show');
navbarToggler?.setAttribute('aria-expanded', 'true');
document.body.style.overflow = 'hidden'; // Prevent scrolling
}
}

function closeMobileSidebar() {
if (mobileOverlay && mobileSidebar) {
mobileOverlay.classList.remove('show');
mobileSidebar.classList.remove('show');
navbarToggler?.setAttribute('aria-expanded', 'false');
document.body.style.overflow = ''; // Restore scrolling
}
}

// Open sidebar when hamburger is clicked
if (navbarToggler) {
navbarToggler.addEventListener('click', function(e) {
e.preventDefault();
openMobileSidebar();
});
}

// Close sidebar when close button is clicked
if (sidebarClose) {
sidebarClose.addEventListener('click', function(e) {
e.preventDefault();
closeMobileSidebar();
});
}

// Close sidebar when overlay is clicked
if (mobileOverlay) {
mobileOverlay.addEventListener('click', function() {
closeMobileSidebar();
});
}

// Close sidebar on escape key
document.addEventListener('keydown', function(e) {
if (e.key === 'Escape' && mobileSidebar?.classList.contains('show')) {
closeMobileSidebar();
}
});

// Mobile dropdown toggles
const mobileDropdownToggles = document.querySelectorAll('.mobile-nav-toggle');
mobileDropdownToggles.forEach(toggle => {
toggle.addEventListener('click', function(e) {
e.preventDefault();
const dropdownMenu = toggle.parentElement.querySelector('.mobile-dropdown-menu');

if (dropdownMenu) {
const isExpanded = dropdownMenu.classList.contains('show');

// Close all other dropdowns
document.querySelectorAll('.mobile-dropdown-menu.show').forEach(menu => {
if (menu !== dropdownMenu) {
menu.classList.remove('show');
menu.parentElement.querySelector('.mobile-nav-toggle').classList.remove('expanded');
}
});

// Toggle current dropdown
if (isExpanded) {
dropdownMenu.classList.remove('show');
toggle.classList.remove('expanded');
} else {
dropdownMenu.classList.add('show');
toggle.classList.add('expanded');
}
}
});
});

// Close mobile sidebar when clicking on a link (for better UX)
const mobileNavLinks = document.querySelectorAll('.mobile-nav-link:not(.mobile-nav-toggle), .mobile-dropdown-item');
mobileNavLinks.forEach(link => {
link.addEventListener('click', function() {
// Small delay to allow navigation to start
setTimeout(closeMobileSidebar, 100);
});
});

// Expandable search functionality
const searchToggleBtn = document.querySelector('.search-toggle-btn');
const searchInputWrapper = document.querySelector('.search-input-wrapper');
const searchInput = searchInputWrapper?.querySelector('input[type="search"]');

if (searchToggleBtn && searchInputWrapper) {
searchToggleBtn.addEventListener('click', function(e) {
e.preventDefault();
e.stopPropagation();

// Toggle expanded state
const isExpanded = searchInputWrapper.classList.contains('expanded');

if (isExpanded) {
// Collapse search
searchInputWrapper.classList.remove('expanded');
searchToggleBtn.style.display = 'inline-flex';
} else {
// Expand search
searchInputWrapper.classList.add('expanded');
searchToggleBtn.style.display = 'none';

// Focus the search input after animation
setTimeout(() => {
if (searchInput) {
searchInput.focus();
}
}, 100);
}
});

// Collapse search when clicking outside
document.addEventListener('click', function(e) {
const searchContainer = document.querySelector('.search-expandable');
if (searchContainer && !searchContainer.contains(e.target)) {
searchInputWrapper.classList.remove('expanded');
searchToggleBtn.style.display = 'inline-flex';
}
});

// Collapse search on escape key
document.addEventListener('keydown', function(e) {
if (e.key === 'Escape' && searchInputWrapper.classList.contains('expanded')) {
searchInputWrapper.classList.remove('expanded');
searchToggleBtn.style.display = 'inline-flex';
}
});
}

// Simplified navigation - no more "More" dropdown needed
});
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