<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Kole UI · Transfer (H5)</title>
<link rel="stylesheet" href="../.design_library/kole-ui/colors_and_type.css">
<link rel="stylesheet" href="./Transfer.css">
<style>
  .demo { padding: 24px; background: var(--kole-color-page-bg); font-family: var(--font-family); }
  h1 { font-size: 20px; margin: 0 0 4px; color: var(--kole-color-text-title); }
  .sub { color: var(--kole-color-text-secondary); margin: 0 0 24px; font-size: 12px; }
  .demo-block { background: var(--kole-color-card-bg); border-radius: 8px; padding: 20px; margin-bottom: 20px; display: inline-block; }
</style>
</head>
<body>
<div class="demo">
  <h1>Kole UI · Transfer 组件（纯 H5）</h1>
  <p class="sub">对齐 Transfer 规范：左右两栏、搜索、复选框、已选数量</p>

  <div class="demo-block">
    <div class="kole-transfer" data-transfer></div>
  </div>
</div>

<script>
(function () {
  const root = document.querySelector('[data-transfer]');
  const DATA = [
    { key: '1', label: '研发部' }, { key: '2', label: '产品部' }, { key: '3', label: '设计部' },
    { key: '4', label: '市场部' }, { key: '5', label: '销售部' }, { key: '6', label: '运营部' },
    { key: '7', label: '财务部' }, { key: '8', label: '人事部', disabled: true }
  ];

  let selected = ['1', '2'];
  const leftChecked = new Set();
  const rightChecked = new Set();
  let leftQ = '', rightQ = '';

  function render() {
    const leftItems = DATA.filter(d => !selected.includes(d.key) && d.label.includes(leftQ));
    const rightItems = DATA.filter(d => selected.includes(d.key) && d.label.includes(rightQ));

    root.innerHTML = `
      <div class="kole-transfer-panel">
        <div class="kole-transfer-head"><span>候选部门</span><span class="count">${leftChecked.size}/${leftItems.length}</span></div>
        <div class="kole-transfer-search"><input placeholder="搜索" data-q="left"></div>
        <div class="kole-transfer-body" data-body="left">
          ${leftItems.map(d => `
            <div class="kole-transfer-item ${leftChecked.has(d.key) ? 'is-checked' : ''}${d.disabled ? ' is-disabled' : ''}" role="option" tabindex="0" data-key="${d.key}"${d.disabled ? ' aria-disabled="true"' : ''}>
              <span class="box">${leftChecked.has(d.key) ? '✓' : ''}</span>${d.label}
            </div>`).join('') || '<div class="kole-transfer-empty">无数据</div>'}
        </div>
      </div>
      <div class="kole-transfer-ops">
        <button data-op="right" ${leftChecked.size ? '' : 'disabled'}>›</button>
        <button data-op="left" ${rightChecked.size ? '' : 'disabled'}>‹</button>
      </div>
      <div class="kole-transfer-panel">
        <div class="kole-transfer-head"><span>已选部门</span><span class="count">${rightChecked.size}/${rightItems.length}</span></div>
        <div class="kole-transfer-search"><input placeholder="搜索" data-q="right"></div>
        <div class="kole-transfer-body" data-body="right">
          ${rightItems.map(d => `
            <div class="kole-transfer-item ${rightChecked.has(d.key) ? 'is-checked' : ''}${d.disabled ? ' is-disabled' : ''}" role="option" tabindex="0" data-key="${d.key}"${d.disabled ? ' aria-disabled="true"' : ''}>
              <span class="box">${rightChecked.has(d.key) ? '✓' : ''}</span>${d.label}
            </div>`).join('') || '<div class="kole-transfer-empty">无数据</div>'}
        </div>
      </div>`;
  }

  root.addEventListener('click', (e) => {
    const item = e.target.closest('.kole-transfer-item');
    const op = e.target.closest('[data-op]');
    const search = e.target.closest('[data-q]');
    if (search) {
      search.addEventListener('input', (ev) => {
        if (ev.target.dataset.q === 'left') leftQ = ev.target.value; else rightQ = ev.target.value;
        render();
      }, { once: true });
      return;
    }
    if (item) {
      const key = item.dataset.key;
      const set = item.closest('[data-body="left"]') ? leftChecked : rightChecked;
      set.has(key) ? set.delete(key) : set.add(key);
      render();
    } else if (op) {
      if (op.dataset.op === 'right') {
        leftChecked.forEach(k => { if (!selected.includes(k)) selected.push(k); });
        leftChecked.clear();
      } else {
        selected = selected.filter(k => !rightChecked.has(k));
        rightChecked.clear();
      }
      render();
    }
  });

  render();
})();
</script>
</body>
</html>
