org.apache.tapestry5.tree

Interface TreeModelAdapter<T>

public interface TreeModelAdapter<T>

Used with DefaultTreeModel to define how to extract labels and child nodes from a value.

Since:

5.3

Method Summary

Modifier and Type	Method and Description
List<T>	getChildren(T value) Returns the children, in the order they should be presented to the client.
String	getLabel(T value) Returns a text label for the value, which may be presented to the client.
boolean	hasChildren(T value) Returns true if the value has children (only invoked for non-leaf values).
boolean	isLeaf(T value) Determines if the value is a leaf or a (potential) container of children.

Method Detail

isLeaf

boolean isLeaf(T value)

Determines if the value is a leaf or a (potential) container of children.

See Also:

TreeNode.isLeaf()

hasChildren

boolean hasChildren(T value)

Returns true if the value has children (only invoked for non-leaf values).

See Also:

TreeNode.getHasChildren()

getChildren

List<T> getChildren(T value)

Returns the children, in the order they should be presented to the client. This should return the childen in the correct presentation or, or return null or an empty list.

See Also:

TreeNode.getChildren()

getLabel

String getLabel(T value)

Returns a text label for the value, which may be presented to the client.

See Also:

TreeNode.getLabel()