com.google.gwt.view.client

Interface TreeViewModel

public interface TreeViewModel

A model of a tree.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and 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

Modifier and Type	Method and 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