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   "cell_type": "markdown",
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   "source": [
    "# `ui.splitter`\n",
    "\n",
    "## 分隔器\n",
    "\n",
    "`ui.splitter` 元素将屏幕空间分割为可调整大小的部分，允许在应用程序中实现灵活和响应式布局。\n",
    "\n",
    "基于 Quasar 的 Splitter 组件：[Splitter](https://quasar.dev/vue-components/splitter)\n",
    "\n",
    "它提供三个可定制的插槽，`before`、`after` 和 `separator`，可用于在分隔器内嵌入其他元素。\n",
    "\n",
    "- `horizontal`：是否水平分割而不是垂直分割\n",
    "- `limits`：两个数字，表示两个面板的最小和最大分割尺寸\n",
    "- `value`：第一个面板（或使用 `reverse` 时的第二个）的大小\n",
    "- `reverse`：是否将模型大小应用于第二个面板而不是第一个\n",
    "-`on_change`：当用户释放分隔器时调用的回调函数"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from nicegui import ui\n",
    "\n",
    "with ui.splitter() as splitter:\n",
    "    with splitter.before:\n",
    "        ui.label('This is some content on the left hand side.').classes('mr-2')\n",
    "    with splitter.after:\n",
    "        ui.label('This is some content on the right hand side.').classes('ml-2')\n",
    "\n",
    "# ui.run()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 高级用法\n",
    "\n",
    "此演示展示了所有插槽和参数，包括一个工具提示、一个自定义分隔符和一个回调函数。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<nicegui.elements.number.Number at 0x2191b9278d0>"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from nicegui import ui\n",
    "\n",
    "with ui.splitter(horizontal=False, reverse=False, value=60,\n",
    "                 on_change=lambda e: ui.notify(e.value)) as splitter:\n",
    "    ui.tooltip('This is the default slot.').classes('bg-green')\n",
    "    with splitter.before:\n",
    "        ui.label('This is the left hand side.').classes('mr-2')\n",
    "    with splitter.after:\n",
    "        ui.label('This is the right hand side.').classes('ml-2')\n",
    "    with splitter.separator:\n",
    "        ui.icon('lightbulb').classes('text-green')\n",
    "\n",
    "ui.number('Split value', format='%.1f').bind_value(splitter)\n",
    "\n",
    "# ui.run()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 图片乐趣\n",
    "\n",
    "此演示展示了如何使用分隔器并排显示图像。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "from nicegui import ui\n",
    "\n",
    "with ui.splitter().classes('w-72 h-48') \\\n",
    "        .props('before-class=overflow-hidden after-class=overflow-hidden') as splitter:\n",
    "    with splitter.before:\n",
    "        ui.image('https://cdn.quasar.dev/img/parallax1.jpg').classes('w-72 absolute-top-left')\n",
    "    with splitter.after:\n",
    "        ui.image('https://cdn.quasar.dev/img/parallax1-bw.jpg').classes('w-72 absolute-top-right')\n",
    "\n",
    "# ui.run()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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