TreeViewModel (GWT Javadoc)

```
public interface TreeViewModel
```
A model of a tree.

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static class`	`TreeViewModel.DefaultNodeInfo<T>`	Default implementation of `TreeViewModel.NodeInfo`.
`static interface`	`TreeViewModel.NodeInfo<T>`	The info needed to create the children of a tree node.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`<T> TreeViewModel.NodeInfo<?>`	`getNodeInfo(T value)`	Get the `TreeViewModel.NodeInfo` that will provide the `ProvidesKey`, `Cell`, and `HasData` instances to retrieve and display the children of the specified value.
`boolean`	`isLeaf(java.lang.Object value)`	Check if the value is known to be a leaf node.

- Method Detail
  - getNodeInfo
```
<T> TreeViewModel.NodeInfo<?> getNodeInfo(T value)
```
    Get the TreeViewModel.NodeInfo that will provide the ProvidesKey, Cell, and HasData instances to retrieve and display the children of the specified value.
    
    Parameters:
    
    value - the value in the parent node
    
    Returns:
    
    the TreeViewModel.NodeInfo
  - isLeaf
```
boolean isLeaf(java.lang.Object value)
```
    Check if the value is known to be a leaf node.
    
    Parameters:
    
    value - the value at the node
    
    Returns:
    
    true if the node is known to be a leaf node, false otherwise