TreeSelectionModel (Tapestry API - 5.7.2)乐学网一站式学习平台

Type Parameters:

T - type of node

All Known Implementing Classes:

DefaultTreeSelectionModel
```
public interface TreeSelectionModel<T>
```
Tracks which leaf nodes of a TreeModel are currently selected. The default implementation simply stores a set of unique node ids to identify selected nodes. The selection model is updated whenever the user clicks on the label for a leaf node. In the future, new methods may be added that will support selection of folders as well as leafs, and define the rules for how selections and de-selections propagate down to children or up to parents.

Since:

5.3

See Also:

Tree

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`clear()`	Clears the selection.
`boolean`	`isSelected(TreeNode<T> node)`	Returns `true`, if the given node is selected.
`void`	`select(TreeNode<T> node)`	Selects a node.
`void`	`unselect(TreeNode<T> node)`	Unselects a node.

- Method Detail
  - isSelected
```
boolean isSelected(TreeNode<T> node)
```
    Returns true, if the given node is selected.
    
    Parameters:
    
    node - node to check
  - select
```
void select(TreeNode<T> node)
```
    Selects a node.
    
    Parameters:
    
    node - node to select
  - unselect
```
void unselect(TreeNode<T> node)
```
    Unselects a node.
    
    Parameters:
    
    node - node to unselect
  - clear
```
void clear()
```
    Clears the selection.