superset2/docs/developer_docs/components/ui/treeselect.mdx

---
title: TreeSelect
sidebar_label: TreeSelect
---

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import { StoryWithControls } from '../../../src/components/StorybookWrapper';

# TreeSelect

TreeSelect is a select component that allows users to select from a tree structure.

## Live Example

<StoryWithControls
  component="TreeSelect"
  props={{
  allowClear: true,
  disabled: false,
  multiple: false,
  placeholder: "Please select",
  showSearch: true,
  size: "middle",
  treeCheckable: false,
  treeDefaultExpandAll: true,
  treeLine: false,
  variant: "outlined",
  treeData: [
    {
      title: "Node1",
      value: "0-0",
      children: [
        {
          title: "Child Node1",
          value: "0-0-0"
        },
        {
          title: "Child Node2",
          value: "0-0-1"
        }
      ]
    },
    {
      title: "Node2",
      value: "0-1",
      children: [
        {
          title: "Child Node3",
          value: "0-1-0"
        }
      ]
    }
  ]
}}
  controls={[
  {
    name: "allowClear",
    label: "Allow Clear",
    type: "boolean",
    description: "Whether to allow clearing the selected value."
  },
  {
    name: "disabled",
    label: "Disabled",
    type: "boolean",
    description: "Whether the component is disabled."
  },
  {
    name: "multiple",
    label: "Multiple",
    type: "boolean",
    description: "Whether to allow multiple selections."
  },
  {
    name: "placeholder",
    label: "Placeholder",
    type: "text",
    description: "Placeholder text for the input field."
  },
  {
    name: "showSearch",
    label: "Show Search",
    type: "boolean",
    description: "Whether to show the search input."
  },
  {
    name: "size",
    label: "Size",
    type: "select",
    options: [
      "large",
      "middle",
      "small"
    ],
    description: "Size of the component."
  },
  {
    name: "treeCheckable",
    label: "Tree Checkable",
    type: "boolean",
    description: "Whether to show checkable tree nodes."
  },
  {
    name: "treeDefaultExpandAll",
    label: "Tree Default Expand All",
    type: "boolean",
    description: "Whether to expand all tree nodes by default."
  },
  {
    name: "treeLine",
    label: "Tree Line",
    type: "boolean",
    description: "Whether to show tree lines."
  },
  {
    name: "variant",
    label: "Variant",
    type: "select",
    options: [
      "outlined",
      "borderless",
      "filled"
    ],
    description: "Variant of the component."
  }
]}
/>

## Try It

Edit the code below to experiment with the component:

```tsx live
function Demo() {
  const [value, setValue] = React.useState(undefined);
  const treeData = [
    {
      title: 'Databases',
      value: 'databases',
      children: [
        { title: 'PostgreSQL', value: 'postgres' },
        { title: 'MySQL', value: 'mysql' },
      ],
    },
    {
      title: 'Charts',
      value: 'charts',
      children: [
        { title: 'Bar Chart', value: 'bar' },
        { title: 'Line Chart', value: 'line' },
      ],
    },
  ];
  return (
    <TreeSelect
      style={{ width: 300 }}
      value={value}
      onChange={setValue}
      treeData={treeData}
      placeholder="Select an item"
      allowClear
      treeDefaultExpandAll
    />
  );
}
```

## Multiple Selection with Checkboxes

```tsx live
function MultiSelectTree() {
  const [value, setValue] = React.useState([]);
  const treeData = [
    {
      title: 'Databases',
      value: 'databases',
      children: [
        { title: 'PostgreSQL', value: 'postgres' },
        { title: 'MySQL', value: 'mysql' },
        { title: 'SQLite', value: 'sqlite' },
      ],
    },
    {
      title: 'File Formats',
      value: 'formats',
      children: [
        { title: 'CSV', value: 'csv' },
        { title: 'Excel', value: 'excel' },
      ],
    },
  ];
  return (
    <TreeSelect
      style={{ width: 300 }}
      value={value}
      onChange={setValue}
      treeData={treeData}
      treeCheckable
      placeholder="Select data sources"
      treeDefaultExpandAll
      allowClear
    />
  );
}
```

## With Tree Lines

```tsx live
function TreeLinesDemo() {
  const treeData = [
    {
      title: 'Dashboards',
      value: 'dashboards',
      children: [
        { title: 'Sales Dashboard', value: 'sales' },
        { title: 'Marketing Dashboard', value: 'marketing' },
      ],
    },
    {
      title: 'Charts',
      value: 'charts',
      children: [
        { title: 'Revenue Chart', value: 'revenue' },
        { title: 'User Growth', value: 'growth' },
      ],
    },
  ];
  return (
    <TreeSelect
      style={{ width: 300 }}
      treeData={treeData}
      treeLine
      treeDefaultExpandAll
      placeholder="Browse items"
    />
  );
}
```

## Props

| Prop | Type | Default | Description |
|------|------|---------|-------------|
| `allowClear` | `boolean` | `true` | Whether to allow clearing the selected value. |
| `disabled` | `boolean` | `false` | Whether the component is disabled. |
| `multiple` | `boolean` | `false` | Whether to allow multiple selections. |
| `placeholder` | `string` | `"Please select"` | Placeholder text for the input field. |
| `showSearch` | `boolean` | `true` | Whether to show the search input. |
| `size` | `string` | `"middle"` | Size of the component. |
| `treeCheckable` | `boolean` | `false` | Whether to show checkable tree nodes. |
| `treeDefaultExpandAll` | `boolean` | `true` | Whether to expand all tree nodes by default. |
| `treeLine` | `boolean` | `false` | Whether to show tree lines. |
| `variant` | `string` | `"outlined"` | Variant of the component. |
| `treeData` | `any` | `[{"title":"Node1","value":"0-0","children":[{"title":"Child Node1","value":"0-0-0"},{"title":"Child Node2","value":"0-0-1"}]},{"title":"Node2","value":"0-1","children":[{"title":"Child Node3","value":"0-1-0"}]}]` | - |

## Import

```tsx
import { TreeSelect } from '@superset/components';
```

---

:::tip[Improve this page]
This documentation is auto-generated from the component's Storybook story.
Help improve it by [editing the story file](https://github.com/apache/superset/edit/master/superset-frontend/packages/superset-ui-core/src/components/TreeSelect/TreeSelect.stories.tsx).
:::