319 lines
12 KiB
JavaScript
319 lines
12 KiB
JavaScript
// channel-enhancements.js - 频道搜索、面包屑、快捷键增强功能（修复版）
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(function() {
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', init);
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} else {
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init();
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}
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function init() {
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addStyles();
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createSearchBox();
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createBreadcrumb();
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createShortcutHint();
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initShortcuts();
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initSearch();
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window.addEventListener('hashchange', updateBreadcrumb);
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updateBreadcrumb();
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}
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function addStyles() {
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const style = document.createElement('style');
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style.textContent = `
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.channel-search-container {
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padding: 16px 20px;
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background: #f8f9fa;
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border-bottom: 1px solid #e9ecef;
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display: flex;
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align-items: center;
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gap: 10px;
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}
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.channel-search-input {
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flex: 1;
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padding: 10px 16px;
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border: 1px solid #ced4da;
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border-radius: 24px;
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font-size: 14px;
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outline: none;
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transition: border-color 0.2s;
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}
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.channel-search-input:focus {
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border-color: #4d6bfe;
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box-shadow: 0 0 0 3px rgba(77,107,254,0.1);
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}
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.channel-search-clear {
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background: none;
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border: none;
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font-size: 18px;
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cursor: pointer;
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color: #6c757d;
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padding: 0 8px;
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display: none;
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}
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.channel-search-clear:hover {
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color: #212529;
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}
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.channel-search-input:not(:placeholder-shown) + .channel-search-clear {
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display: inline-block;
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}
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.highlight {
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background-color: #ffeb3b;
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padding: 2px 0;
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border-radius: 2px;
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}
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.no-results {
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text-align: center;
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padding: 40px;
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color: #6c757d;
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font-style: italic;
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}
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.channel-breadcrumb {
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padding: 12px 20px;
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background: white;
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border-bottom: 1px solid #e9ecef;
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font-size: 14px;
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}
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.channel-breadcrumb a {
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color: #4d6bfe;
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text-decoration: none;
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}
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.channel-breadcrumb a:hover {
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text-decoration: underline;
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}
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.channel-breadcrumb span {
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color: #6c757d;
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}
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.channel-breadcrumb .current {
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color: #212529;
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font-weight: 500;
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}
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.shortcut-hint {
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position: fixed;
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bottom: 20px;
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right: 20px;
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background: rgba(0,0,0,0.7);
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color: white;
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padding: 8px 16px;
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border-radius: 30px;
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font-size: 12px;
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backdrop-filter: blur(4px);
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z-index: 1000;
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}
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.shortcut-hint kbd {
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background: rgba(255,255,255,0.2);
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padding: 2px 6px;
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border-radius: 4px;
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margin: 0 2px;
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}
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.module-card.selected {
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outline: 2px solid #4d6bfe;
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outline-offset: 2px;
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transform: scale(1.02);
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transition: all 0.2s;
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}
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`;
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document.head.appendChild(style);
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}
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function createSearchBox() {
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const container = document.querySelector('.module-grid') || document.querySelector('#module-list') || document.querySelector('.channel-content');
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if (!container) return;
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const searchContainer = document.createElement('div');
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searchContainer.className = 'channel-search-container';
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searchContainer.innerHTML = `
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<input type="text" class="channel-search-input" placeholder="搜索模块...">
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<button class="channel-search-clear">×</button>
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`;
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container.parentNode.insertBefore(searchContainer, container);
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const searchInput = searchContainer.querySelector('.channel-search-input');
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const clearBtn = searchContainer.querySelector('.channel-search-clear');
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searchInput.addEventListener('input', function() {
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filterModules(this.value);
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});
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clearBtn.addEventListener('click', function() {
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searchInput.value = '';
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filterModules('');
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searchInput.focus();
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});
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window.__channelSearchInput = searchInput;
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}
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function filterModules(keyword) {
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const cards = document.querySelectorAll('.module-card');
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const container = document.querySelector('.module-grid') || document.querySelector('#module-list');
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let hasResults = false;
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// 先移除所有高亮
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removeAllHighlights();
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cards.forEach(card => {
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const text = card.innerText || card.textContent;
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if (keyword === '') {
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card.style.display = '';
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hasResults = true;
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} else {
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const lowerText = text.toLowerCase();
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const lowerKeyword = keyword.toLowerCase();
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if (lowerText.includes(lowerKeyword)) {
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card.style.display = '';
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highlightText(card, keyword);
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hasResults = true;
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} else {
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card.style.display = 'none';
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}
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}
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});
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let noResultsEl = document.querySelector('.no-results');
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if (!hasResults && keyword !== '') {
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if (!noResultsEl) {
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noResultsEl = document.createElement('div');
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noResultsEl.className = 'no-results';
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noResultsEl.textContent = '没有找到匹配的模块';
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container.parentNode.insertBefore(noResultsEl, container.nextSibling);
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}
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} else {
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if (noResultsEl) noResultsEl.remove();
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}
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}
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// 移除所有高亮span，恢复原文本
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function removeAllHighlights() {
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document.querySelectorAll('.highlight').forEach(span => {
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const parent = span.parentNode;
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parent.replaceChild(document.createTextNode(span.textContent), span);
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parent.normalize(); // 合并相邻文本节点
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});
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}
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// 高亮匹配文本（不破坏事件监听）
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function highlightText(card, keyword) {
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const regex = new RegExp(`(${keyword})`, 'gi');
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const walk = document.createTreeWalker(card, NodeFilter.SHOW_TEXT, {
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acceptNode: function(node) {
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// 跳过已经高亮过的span内部
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if (node.parentNode.classList && node.parentNode.classList.contains('highlight')) {
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return NodeFilter.FILTER_REJECT;
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}
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return NodeFilter.FILTER_ACCEPT;
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}
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}, false);
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const textNodes = [];
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while (walk.nextNode()) textNodes.push(walk.currentNode);
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textNodes.forEach(node => {
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const text = node.nodeValue;
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if (regex.test(text)) {
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const span = document.createElement('span');
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span.className = 'highlight';
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span.innerHTML = text.replace(regex, '<span class="highlight">$1</span>');
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node.parentNode.replaceChild(span, node);
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}
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});
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}
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function createBreadcrumb() {
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const searchContainer = document.querySelector('.channel-search-container');
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const breadcrumb = document.createElement('div');
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breadcrumb.className = 'channel-breadcrumb';
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breadcrumb.id = 'channelBreadcrumb';
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if (searchContainer) {
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searchContainer.parentNode.insertBefore(breadcrumb, searchContainer.nextSibling);
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} else {
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const container = document.querySelector('.module-grid') || document.querySelector('#module-list');
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if (container) {
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container.parentNode.insertBefore(breadcrumb, container);
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}
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}
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}
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function updateBreadcrumb() {
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const breadcrumb = document.getElementById('channelBreadcrumb');
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if (!breadcrumb) return;
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const hash = window.location.hash.slice(1) || '';
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let moduleName = '频道';
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if (hash.startsWith('module-')) {
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const moduleId = hash.replace('module-', '');
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const moduleNames = {
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'M06': '工单管理',
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'M08': '数据看板',
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'M11': '用户反馈'
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};
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moduleName = moduleNames[moduleId] || moduleId;
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}
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breadcrumb.innerHTML = `
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<a href="#/">首页</a> >
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<a href="#/channel">频道</a> >
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<span class="current">${moduleName}</span>
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`;
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}
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function createShortcutHint() {
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const hint = document.createElement('div');
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hint.className = 'shortcut-hint';
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hint.innerHTML = `
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<kbd>⌘K</kbd> 搜索 ·
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<kbd>↑</kbd><kbd>↓</kbd> 选择 ·
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<kbd>Enter</kbd> 打开 ·
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<kbd>Esc</kbd> 关闭
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`;
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document.body.appendChild(hint);
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}
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function initShortcuts() {
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document.addEventListener('keydown', function(e) {
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if ((e.ctrlKey || e.metaKey) && e.key === 'k') {
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e.preventDefault();
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const searchInput = window.__channelSearchInput;
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if (searchInput) searchInput.focus();
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}
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if (e.key === 'Escape') {
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const searchInput = window.__channelSearchInput;
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if (searchInput && document.activeElement === searchInput) {
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searchInput.value = '';
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filterModules('');
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searchInput.blur();
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} else if (searchInput && searchInput.value) {
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searchInput.value = '';
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filterModules('');
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}
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}
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if (e.key === 'ArrowDown' || e.key === 'ArrowUp') {
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const cards = Array.from(document.querySelectorAll('.module-card:not([style*="display: none"])'));
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if (cards.length === 0) return;
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e.preventDefault();
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let selectedIndex = cards.findIndex(card => card.classList.contains('selected'));
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if (selectedIndex === -1) {
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selectedIndex = e.key === 'ArrowDown' ? 0 : cards.length - 1;
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} else {
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cards[selectedIndex].classList.remove('selected');
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if (e.key === 'ArrowDown') {
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selectedIndex = (selectedIndex + 1) % cards.length;
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} else {
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selectedIndex = (selectedIndex - 1 + cards.length) % cards.length;
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}
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}
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cards[selectedIndex].classList.add('selected');
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cards[selectedIndex].scrollIntoView({ block: 'nearest' });
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}
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if (e.key === 'Enter') {
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const selected = document.querySelector('.module-card.selected');
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if (selected) {
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// 触发点击事件，模拟鼠标点击
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selected.click();
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}
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}
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});
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}
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function initSearch() {
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// 不需要预先保存innerHTML了
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}
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})();
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