wicket.extensions.markup.html.tree
Class DefaultTreeState

java.lang.Object
  wicket.extensions.markup.html.tree.DefaultTreeState

All Implemented Interfaces:

ITreeState, java.io.Serializable

public class DefaultTreeState

extends java.lang.Object

implements ITreeState, java.io.Serializable

Default implementation of TreeState.

This implementation tries to be as lightweight as possible.

Author:

Matej Knopp

See Also:

Serialized Form

Constructor Summary

DefaultTreeState()

Method Summary

void	addTreeStateListener(ITreeStateListener l) Adds a tree state listener.
void	collapseAll() Collapses all nodes of the tree.
void	collapseNode(javax.swing.tree.TreeNode node) Collapses the given node.
void	expandAll() Expands all nodes of the tree.
void	expandNode(javax.swing.tree.TreeNode node) Expands the given node.
java.util.Collection	getSelectedNodes() Returns the collection of all selected nodes.
boolean	isAllowSelectMultiple() Returns whether multiple nodes can be selected.
boolean	isNodeExpanded(javax.swing.tree.TreeNode node) Returns true if the given node is expanded.
boolean	isNodeSelected(javax.swing.tree.TreeNode node) Returns true if the given node is selected, false otherwise.
void	removeTreeStateListener(ITreeStateListener l) Removes a tree state listener.
void	selectNode(javax.swing.tree.TreeNode node, boolean selected) Marks given node as selected (or unselected) according to the selected value.
void	setAllowSelectMultiple(boolean value) Sets whether multiple nodes can be selected.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultTreeState

public DefaultTreeState()

Method Detail

addTreeStateListener

public void addTreeStateListener(ITreeStateListener l)

Description copied from interface: ITreeState

Adds a tree state listener. On state change events on the listener are fired.

Specified by:

addTreeStateListener in interface ITreeState

Parameters:

l - Listener to add

See Also:

ITreeState.addTreeStateListener(wicket.extensions.markup.html.tree.ITreeStateListener)

collapseAll

public void collapseAll()

Description copied from interface: ITreeState

Collapses all nodes of the tree.

Specified by:

collapseAll in interface ITreeState

See Also:

ITreeState.collapseAll()

collapseNode

public void collapseNode(javax.swing.tree.TreeNode node)

Description copied from interface: ITreeState

Collapses the given node.

Specified by:

collapseNode in interface ITreeState

Parameters:

node - Node to collapse

See Also:

ITreeState.collapseNode(javax.swing.tree.TreeNode)

expandAll

public void expandAll()

Description copied from interface: ITreeState

Expands all nodes of the tree.

Specified by:

expandAll in interface ITreeState

See Also:

ITreeState.expandAll()

expandNode

public void expandNode(javax.swing.tree.TreeNode node)

Description copied from interface: ITreeState

Expands the given node.

Specified by:

expandNode in interface ITreeState

Parameters:

node - Node to expand

See Also:

ITreeState.expandNode(javax.swing.tree.TreeNode)

getSelectedNodes

public java.util.Collection getSelectedNodes()

Description copied from interface: ITreeState

Returns the collection of all selected nodes.

Specified by:

getSelectedNodes in interface ITreeState

Returns:

The collection of selected nodes

See Also:

ITreeState.getSelectedNodes()

isAllowSelectMultiple

public boolean isAllowSelectMultiple()

Description copied from interface: ITreeState

Returns whether multiple nodes can be selected.

Specified by:

isAllowSelectMultiple in interface ITreeState

Returns:

True if mutliple nodes can be selected

See Also:

ITreeState.isAllowSelectMultiple()

isNodeExpanded

public boolean isNodeExpanded(javax.swing.tree.TreeNode node)

Description copied from interface: ITreeState

Returns true if the given node is expanded.

Specified by:

isNodeExpanded in interface ITreeState

Parameters:

node - The node to inspect

Returns:

True if the node is expanded

See Also:

ITreeState.isNodeExpanded(javax.swing.tree.TreeNode)

isNodeSelected

public boolean isNodeSelected(javax.swing.tree.TreeNode node)

Description copied from interface: ITreeState

Returns true if the given node is selected, false otherwise.

Specified by:

isNodeSelected in interface ITreeState

Parameters:

node - The node to inspect

Returns:

True if the node is selected

See Also:

ITreeState.isNodeSelected(javax.swing.tree.TreeNode)

removeTreeStateListener

public void removeTreeStateListener(ITreeStateListener l)

Description copied from interface: ITreeState

Removes a tree state listener.

Specified by:

removeTreeStateListener in interface ITreeState

Parameters:

l - The listener to remove

See Also:

ITreeState.removeTreeStateListener(wicket.extensions.markup.html.tree.ITreeStateListener)

selectNode

public void selectNode(javax.swing.tree.TreeNode node,
                       boolean selected)

Description copied from interface: ITreeState

Marks given node as selected (or unselected) according to the selected value.

If tree is in single selection mode and a new node is selected, old node is automatically unselected (and the event is fired on listeners).

Specified by:

selectNode in interface ITreeState

Parameters:

node - The node to select or deselect

selected - If true, the node will be selected, otherwise, the node will be unselected

See Also:

ITreeState.selectNode(javax.swing.tree.TreeNode, boolean)

setAllowSelectMultiple

public void setAllowSelectMultiple(boolean value)

Description copied from interface: ITreeState

Sets whether multiple nodes can be selected.

Specified by:

setAllowSelectMultiple in interface ITreeState

Parameters:

value - If true, multiple nodes can be selected. If false, only one node at a time can be selected

See Also:

ITreeState.setAllowSelectMultiple(boolean)