TreeNode (Vellum)

tonic@vellum:~$ Source Portfolio tonicbox.dev

java.lang.Object
- com.tonic.vellum.widget.TreeNode

```
public final class TreeNode
extends java.lang.Object
```
A node in a TreeView: a label, ordered children, and an expanded flag.

Constructor Summary

Constructors
Constructor Description

TreeNode(java.lang.String label)
Creates a leaf node with the given label.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`TreeNode`	`add(TreeNode child)`	Appends a child node.
`java.util.List<TreeNode>`	`children()`
`TreeNode`	`expanded(boolean expanded)`	Sets whether this node is expanded.
`boolean`	`isExpanded()`
`boolean`	`isLeaf()`
`java.lang.String`	`label()`

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - TreeNode
```
public TreeNode(java.lang.String label)
```
    Creates a leaf node with the given label.
    
    Parameters:
    
    label - the label text; treated as empty if null
- Method Detail
  - add
```
public TreeNode add(TreeNode child)
```
    Appends a child node.
    
    Parameters:
    
    child - the child node to add
    
    Returns:
    
    this TreeNode for chaining
  - label
```
public java.lang.String label()
```
    Returns:
    
    the label text
  - children
```
public java.util.List<TreeNode> children()
```
    Returns:
    
    an unmodifiable list of the children, in order
  - isLeaf
```
public boolean isLeaf()
```
    Returns:
    
    true if this node has no children
  - isExpanded
```
public boolean isExpanded()
```
    Returns:
    
    true if expanded
  - expanded
```
public TreeNode expanded(boolean expanded)
```
    Sets whether this node is expanded.
    
    Parameters:
    
    expanded - the new state
    
    Returns:
    
    this TreeNode for chaining