100 lines
4.2 KiB
HTML
100 lines
4.2 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Aurora Admin · ListPicker (H5)</title>
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<link rel="stylesheet" href="../.design_library/aurora-admin/colors_and_type.css">
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<link rel="stylesheet" href="./ListPicker.css">
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<style>
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.demo { padding: 24px; background: #F5F7FA; font-family: var(--font-family); }
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h1 { font-size: 20px; margin: 0 0 4px; color: #1F2329; }
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.sub { color: #8C8C8C; margin: 0 0 24px; font-size: 12px; }
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.demo-block { background: #fff; border-radius: 8px; padding: 24px; margin-bottom: 20px; }
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.demo-block > .hint { color: #8C8C8C; font-size: 12px; margin: 0 0 12px; }
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</style>
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</head>
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<body>
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<div class="demo">
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<h1>Aurora Admin · ListPicker 组件（纯 H5）</h1>
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<p class="sub">对齐 ListPicker 规范：下拉列表、多选、分组、搜索、全选、标签</p>
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<div class="demo-block">
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<p class="hint">技术栈多选（分组 + 搜索 + 全选）</p>
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<div class="aa-listpicker" data-listpicker></div>
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</div>
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</div>
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<script>
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const OPTIONS = [
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{ label: '前端', children: [{ value: 'vue', label: 'Vue' }, { value: 'react', label: 'React' }, { value: 'ng', label: 'Angular' }] },
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{ label: '后端', children: [{ value: 'java', label: 'Java' }, { value: 'go', label: 'Go' }, { value: 'py', label: 'Python' }] }
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];
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const FLAT = OPTIONS.flatMap(g => g.children);
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const LABEL = Object.fromEntries(FLAT.map(o => [o.value, o.label]));
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function init(root) {
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let value = ['vue', 'react'];
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let open = false;
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let query = '';
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const trigger = document.createElement('div');
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trigger.className = 'aa-listpicker-trigger';
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function renderTrigger() {
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if (!value.length) { trigger.innerHTML = '<span class="aa-listpicker-placeholder">请选择技术栈</span>'; }
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else {
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trigger.innerHTML = value.map(v => `<span class="aa-listpicker-tag">${LABEL[v]}<span class="x" data-rm="${v}">×</span></span>`).join('');
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}
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trigger.innerHTML += '<span class="aa-listpicker-caret">▾</span>';
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trigger.classList.toggle('is-open', open);
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}
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function renderPanel() {
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let panel = root.querySelector('.aa-listpicker-panel');
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if (!panel) { panel = document.createElement('div'); panel.className = 'aa-listpicker-panel'; root.appendChild(panel); }
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const visible = FLAT.filter(o => o.label.includes(query));
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let html = '<div class="aa-listpicker-search"><input placeholder="搜索"></div>';
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html += '<div class="aa-listpicker-selectall">全选</div>';
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OPTIONS.forEach(g => {
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const items = g.children.filter(o => o.label.includes(query));
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if (!items.length) return;
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html += `<div class="aa-listpicker-group-label">${g.label}</div>`;
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items.forEach(o => {
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const checked = value.includes(o.value);
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html += `<div class="aa-listpicker-option ${checked ? 'is-checked' : ''}" data-val="${o.value}"><span class="box">${checked ? '✓' : ''}</span>${o.label}</div>`;
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});
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});
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html += visible.length ? '' : '<div class="aa-listpicker-empty">无匹配项</div>';
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panel.innerHTML = html;
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panel.querySelector('input').addEventListener('input', (e) => { query = e.target.value; renderPanel(); });
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panel.querySelector('.aa-listpicker-selectall').addEventListener('click', () => {
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value = [...new Set([...value, ...visible.map(o => o.value)])]; renderTrigger(); renderPanel();
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});
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panel.querySelectorAll('.aa-listpicker-option').forEach(opt => {
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opt.addEventListener('click', () => {
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const v = opt.dataset.val;
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value = value.includes(v) ? value.filter(x => x !== v) : [...value, v];
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renderTrigger(); renderPanel();
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});
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});
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}
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trigger.addEventListener('click', (e) => {
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const rm = e.target.closest('[data-rm]');
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if (rm) { e.stopPropagation(); value = value.filter(x => x !== rm.dataset.rm); renderTrigger(); return; }
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e.stopPropagation();
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open = !open; renderTrigger(); renderPanel();
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});
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root.appendChild(trigger);
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document.addEventListener('click', (e) => {
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if (!root.contains(e.target)) { open = false; query = ''; renderTrigger(); }
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});
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renderTrigger();
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}
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document.querySelectorAll('[data-listpicker]').forEach(init);
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</script>
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</body>
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</html>
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