org.apache.tapestry5.tree
Class DefaultTreeExpansionModel<T>

java.lang.Object
  org.apache.tapestry5.BaseOptimizedSessionPersistedObject
      org.apache.tapestry5.tree.DefaultTreeExpansionModel<T>

Type Parameters:

T -

All Implemented Interfaces:

OptimizedSessionPersistedObject, TreeExpansionModel<T>

public class DefaultTreeExpansionModel<T>
extends BaseOptimizedSessionPersistedObject
implements TreeExpansionModel<T>

Manages a Set of String TreeNode ids.

Since:

5.3

See Also:

TreeModel

Constructor Summary

DefaultTreeExpansionModel()

Method Summary

void	clear() Marks all nodes as collapsed.
boolean	isExpanded(TreeNode<T> node) Returns true if the node has been previously expanded.
void	markCollapsed(TreeNode<T> node) Marks the node as collapsed (not expanded).
void	markExpanded(TreeNode<T> node) Marks the node as expanded.

Methods inherited from class org.apache.tapestry5.BaseOptimizedSessionPersistedObject

checkAndResetDirtyMarker, markDirty

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultTreeExpansionModel

public DefaultTreeExpansionModel()

Method Detail

isExpanded

public boolean isExpanded(TreeNode<T> node)

Description copied from interface: TreeExpansionModel

Returns true if the node has been previously expanded.

Specified by:

isExpanded in interface TreeExpansionModel<T>

Parameters:

node - node to check for expansion

Returns:

true if expanded

markExpanded

public void markExpanded(TreeNode<T> node)

Description copied from interface: TreeExpansionModel

Marks the node as expanded.

Specified by:

markExpanded in interface TreeExpansionModel<T>

markCollapsed

public void markCollapsed(TreeNode<T> node)

Description copied from interface: TreeExpansionModel

Marks the node as collapsed (not expanded).

Specified by:

markCollapsed in interface TreeExpansionModel<T>

clear

public void clear()

Description copied from interface: TreeExpansionModel

Marks all nodes as collapsed.

Specified by:

clear in interface TreeExpansionModel<T>