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Merged
tugcekucukoglu merged 6 commits into from
Dec 18, 2025
Merged

New Tree Component #8442

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27e863a
feat: Tree initiated
tugcekucukoglu Dec 16, 2025
4e4fc87
chore: Tree demos added
tugcekucukoglu Dec 16, 2025
75cdefc
feat: Tree dnd and node icon added
tugcekucukoglu Dec 17, 2025
ed0c5f1
feat: selectable and nodeProps options added to TreeNode
tugcekucukoglu Dec 18, 2025
5c5f357
feat: Tree documentation updated
tugcekucukoglu Dec 18, 2025
171da63
chore: update apidoc
tugcekucukoglu Dec 18, 2025
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37,939 changes: 37,939 additions & 0 deletions apps/showcase/assets/apidoc/index.json
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20 changes: 20 additions & 0 deletions apps/showcase/demo/tree/basic-demo.tsx
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'use client';

import { NodeService } from '@/services/node.service';
import type { TreeNode } from '@primereact/types/shared/tree';
import { Tree } from 'primereact/tree';
import * as React from 'react';

export default function BasicDemo() {
const [nodes, setNodes] = React.useState<TreeNode[]>([]);

React.useEffect(() => {
NodeService.getTreeNodes().then((data) => setNodes(data));
}, []);

return (
<Tree value={nodes} className="w-full md:w-120">
<Tree.List />
</Tree>
);
}
20 changes: 20 additions & 0 deletions apps/showcase/demo/tree/checkbox-selection-demo.tsx
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'use client';

import { NodeService } from '@/services/node.service';
import type { TreeNode } from '@primereact/types/shared/tree';
import { Tree } from 'primereact/tree';
import * as React from 'react';

export default function CheckboxSelectionDemo() {
const [nodes, setNodes] = React.useState<TreeNode[]>([]);

React.useEffect(() => {
NodeService.getTreeNodes().then((data) => setNodes(data));
}, []);

return (
<Tree value={nodes} selectionMode="checkbox" className="w-full md:w-120">
<Tree.List />
</Tree>
);
}
160 changes: 160 additions & 0 deletions apps/showcase/demo/tree/controlled-demo.tsx
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'use client';

import type { TreeExpandedKeys, TreeNode, useTreeExpandedChangeEvent } from '@primereact/types/shared/tree';
import { Button } from 'primereact/button';
import { Tree } from 'primereact/tree';
import * as React from 'react';

export default function ControlledDemo() {
const [expandedKeys, setExpandedKeys] = React.useState<TreeExpandedKeys>({ '0': true });

const nodes = [
{
key: '0',
label: 'app',
data: 'app folder',
icon: 'pi pi-fw pi-folder',
children: [
{
key: '0-0',
label: 'api',
data: 'api folder',
icon: 'pi pi-fw pi-folder',
children: [
{
key: '0-0-0',
label: 'auth',
data: 'auth folder',
icon: 'pi pi-fw pi-folder',
children: [
{
key: '0-0-0-0',
label: 'route.ts',
data: 'route.ts file',
icon: 'pi pi-fw pi-file'
}
]
}
]
},
{
key: '0-1',
label: 'layout.tsx',
data: 'layout.tsx file',
icon: 'pi pi-fw pi-file'
},
{
key: '0-2',
label: 'page.tsx',
data: 'page.tsx file',
icon: 'pi pi-fw pi-file'
}
]
},
{
key: '1',
label: 'components',
data: 'components folder',
icon: 'pi pi-fw pi-folder',
children: [
{
key: '1-0',
label: 'Header.tsx',
data: 'Header.tsx file',
icon: 'pi pi-fw pi-file'
},
{
key: '1-1',
label: 'Footer.tsx',
data: 'Footer.tsx file',
icon: 'pi pi-fw pi-file'
}
]
},
{
key: '2',
label: 'public',
data: 'public folder',
icon: 'pi pi-fw pi-folder',
children: [
{
key: '2-0',
label: 'favicon.ico',
data: 'favicon.ico file',
icon: 'pi pi-fw pi-file'
}
]
},
{
key: '3',
label: '.env.local',
data: '.env.local file',
icon: 'pi pi-fw pi-file'
},
{
key: '4',
label: 'next.config.js',
data: 'next.config.js file',
icon: 'pi pi-fw pi-file'
},
{
key: '5',
label: 'package.json',
data: 'package.json file',
icon: 'pi pi-fw pi-file'
},
{
key: '6',
label: 'README.md',
data: 'README.md file',
icon: 'pi pi-fw pi-file'
}
];

const expandAll = () => {
const _expandedKeys = {};

for (const node of nodes) {
expandNode(node, _expandedKeys);
}

setExpandedKeys(_expandedKeys);
};

const collapseAll = () => {
setExpandedKeys({});
};

const expandNode = (node: TreeNode, _expandedKeys: TreeExpandedKeys) => {
if (node.children && node.children.length) {
_expandedKeys[node.key] = true;

for (const child of node.children) {
expandNode(child, _expandedKeys);
}
}
};

return (
<>
<div className="flex flex-wrap gap-2 mb-6">
<Button type="button" onClick={expandAll}>
<i className="pi pi-plus" />
Expand All
</Button>
<Button type="button" onClick={collapseAll}>
<i className="pi pi-minus" />
Collapse All
</Button>
</div>
<Tree
value={nodes}
expandedKeys={expandedKeys}
onExpandedChange={(e: useTreeExpandedChangeEvent) => setExpandedKeys(e.value)}
className="w-full md:w-120"
>
<Tree.List />
</Tree>
</>
);
}
166 changes: 166 additions & 0 deletions apps/showcase/demo/tree/drag-drop-multiple-demo.tsx
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'use client';

import type { TreeNode, useTreeValueChangeEvent } from '@primereact/types/shared/tree';
import { Tree } from 'primereact/tree';
import * as React from 'react';

export default function DragDropMultipleDemo() {
const [nodes, setNodes] = React.useState<TreeNode[]>([
{
key: '0',
label: 'app',
data: 'app folder',
icon: 'pi pi-fw pi-folder',
children: [
{
key: '0-0',
label: 'api',
data: 'api folder',
icon: 'pi pi-fw pi-folder',
children: [
{
key: '0-0-0',
label: 'auth',
data: 'auth folder',
icon: 'pi pi-fw pi-folder',
children: [
{
key: '0-0-0-0',
label: 'route.ts',
data: 'route.ts file',
icon: 'pi pi-fw pi-file'
}
]
}
]
},
{
key: '0-1',
label: 'layout.tsx',
data: 'layout.tsx file',
icon: 'pi pi-fw pi-file'
},
{
key: '0-2',
label: 'page.tsx',
data: 'page.tsx file',
icon: 'pi pi-fw pi-file'
}
]
},
{
key: '1',
label: 'components',
data: 'components folder',
icon: 'pi pi-fw pi-folder',
children: [
{
key: '1-0',
label: 'Header.tsx',
data: 'Header.tsx file',
icon: 'pi pi-fw pi-file'
},
{
key: '1-1',
label: 'Footer.tsx',
data: 'Footer.tsx file',
icon: 'pi pi-fw pi-file'
}
]
},
{
key: '2',
label: 'public',
data: 'public folder',
icon: 'pi pi-fw pi-folder',
children: [
{
key: '2-0',
label: 'favicon.ico',
data: 'favicon.ico file',
icon: 'pi pi-fw pi-file'
}
]
},
{
key: '3',
label: '.env.local',
data: '.env.local file',
icon: 'pi pi-fw pi-file'
},
{
key: '4',
label: 'next.config.js',
data: 'next.config.js file',
icon: 'pi pi-fw pi-file'
},
{
key: '5',
label: 'package.json',
data: 'package.json file',
icon: 'pi pi-fw pi-file'
},
{
key: '6',
label: 'README.md',
data: 'README.md file',
icon: 'pi pi-fw pi-file'
}
]);

const [nodes2, setNodes2] = React.useState<TreeNode[]>([
{
key: '1-0',
label: '/etc',
icon: 'pi pi-fw pi-folder'
}
]);

const [nodes3, setNodes3] = React.useState<TreeNode[]>([]);

return (
<div className="flex flex-col md:flex-row gap-4">
<Tree
value={nodes}
onValueChange={(e: useTreeValueChangeEvent) => setNodes(e.value)}
draggableNodes
droppableNodes
draggableScope="first"
droppableScope="none"
className="flex-1 border border-surface rounded-lg"
>
<Tree.List />
<Tree.Empty>No Items Left</Tree.Empty>
</Tree>
<Tree
value={nodes2}
onValueChange={(e: useTreeValueChangeEvent) => setNodes2(e.value)}
draggableNodes
droppableNodes
draggableScope="second"
droppableScope="first"
className="flex-1 border border-surface rounded-lg"
pt={{
root: ({ state }) => ({ className: state.dragHover ? 'border-dashed border-primary!' : undefined })
}}
>
<Tree.List />
<Tree.Empty>Drag Nodes Here</Tree.Empty>
</Tree>
<Tree
value={nodes3}
onValueChange={(e: useTreeValueChangeEvent) => setNodes3(e.value)}
draggableNodes
droppableNodes
droppableScope={['first', 'second']}
className="flex-1 border border-surface rounded-lg"
pt={{
root: ({ state }) => ({ className: state.dragHover ? 'border-dashed border-primary!' : undefined })
}}
>
<Tree.List />
<Tree.Empty>Drag Nodes Here</Tree.Empty>
</Tree>
</div>
);
}
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