prajna.viz.display

Interface TreeDisplay<N>

Type Parameters:

N - The node type for the tree

All Superinterfaces:

java.awt.ItemSelectable

All Known Implementing Classes:

DynamicTreeDisplay, FillTreePane, JTreeWrapper, PrefuseTreeDisplay, RadialDisplay, TreeGraphCanvas, TreeMapDisplay

public interface TreeDisplay<N>
extends java.awt.ItemSelectable

TreeDisplay specifies a number of general methods used by any display which can display a tree. A TreeDisplay should support tree updates, selection, and display area changes.

Author:

Edward Swing

Method Summary

Methods

Modifier and Type	Method and Description
N	getSelectedNode() Get the currently selected node in the tree display.
Tree<N>	getTree() Get the tree for this tree display
void	selectNode(N node) Set the selected node for this tree display.
void	setTree(Tree<N> newTree) Set the root node for this tree display.
void	updateTree() Reload the tree, updating the display to include any new changes, such as new child nodes.

Methods inherited from interface java.awt.ItemSelectable

addItemListener, getSelectedObjects, removeItemListener

Method Detail

getSelectedNode

N getSelectedNode()

Get the currently selected node in the tree display. If no node is selected, this method should return null.

Returns:

the selected node, or null

getTree

Tree<N> getTree()

Get the tree for this tree display

Returns:

the tree

selectNode

void selectNode(N node)

Set the selected node for this tree display. The selected node should be displayed in some way to distinguish it from other nodes in the display

Parameters:

node - the node to be selected

setTree

void setTree(Tree<N> newTree)

Set the root node for this tree display.

Parameters:

newTree - the new root node.

updateTree

void updateTree()

Reload the tree, updating the display to include any new changes, such as new child nodes.