de.jaret.util.ui.timebars.model
Class HierarchicalViewStateImpl

java.lang.Object
  de.jaret.util.ui.timebars.model.HierarchicalViewStateImpl

All Implemented Interfaces:

HierarchicalViewState

public class HierarchicalViewStateImpl
extends java.lang.Object
implements HierarchicalViewState

Default implementation of a HIerarchicalViewState based on a map, not supporting paths to nodes.

Version:

$Id: HierarchicalViewStateImpl.java 800 2008-12-27 22:27:33Z kliem $

Author:

Peter Kliem

Field Summary

protected java.util.List<HierarchicalViewStateListener>	_listenerList listener list.
protected java.util.Map<TimeBarNode,java.lang.Boolean>	_stateMap Map holding the state for each node.

Constructor Summary

HierarchicalViewStateImpl()

Method Summary

void	addHierarchicalViewstateListener(HierarchicalViewStateListener hvsListener) Add a view state listener.
boolean	isExpanded(TimeBarNode node) Check whether a node is expanded.
void	remHierarchicalViewStateListener(HierarchicalViewStateListener hvsListener) Remove a view state listener.
void	setExpanded(TimeBarNode node, boolean expanded) Set the expanded state for a single node.
void	setExpandedRecursive(TimeBarNode node, boolean expanded) Set the expanded state for a node and all of it's children.

Methods inherited from class java.lang.Object

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

Field Detail

_listenerList

protected java.util.List<HierarchicalViewStateListener> _listenerList

listener list.

_stateMap

protected java.util.Map<TimeBarNode,java.lang.Boolean> _stateMap

Map holding the state for each node.

Constructor Detail

HierarchicalViewStateImpl

public HierarchicalViewStateImpl()

Method Detail

isExpanded

public boolean isExpanded(TimeBarNode node)

Check whether a node is expanded.

Specified by:

isExpanded in interface HierarchicalViewState

Parameters:

node - node to check

Returns:

true if expanded

setExpanded

public void setExpanded(TimeBarNode node,
                        boolean expanded)

Set the expanded state for a single node.

Specified by:

setExpanded in interface HierarchicalViewState

Parameters:

node - node to set the expand state for

expanded - true for expanded

setExpandedRecursive

public void setExpandedRecursive(TimeBarNode node,
                                 boolean expanded)

Set the expanded state for a node and all of it's children.

Specified by:

setExpandedRecursive in interface HierarchicalViewState

Parameters:

node - starting node

expanded - expanded state to set

addHierarchicalViewstateListener

public void addHierarchicalViewstateListener(HierarchicalViewStateListener hvsListener)

Add a view state listener.

Specified by:

addHierarchicalViewstateListener in interface HierarchicalViewState

Parameters:

hvsListener - listener to add

remHierarchicalViewStateListener

public void remHierarchicalViewStateListener(HierarchicalViewStateListener hvsListener)

Remove a view state listener.

Specified by:

remHierarchicalViewStateListener in interface HierarchicalViewState

Parameters:

hvsListener - listener to remove