com.mindfusion.diagramming
Class ExpandItemCmd

java.lang.Object
  extended by com.mindfusion.diagramming.Command
      extended by com.mindfusion.diagramming.ExpandItemCmd

public final class ExpandItemCmd
extends Command

Implements expanding/collapsing branched of items in a tree.


Constructor Summary
ExpandItemCmd(DiagramItem item)
          Initializes a new ExpandItemCmd instance.
 
Method Summary
 void execute(boolean undoEnabled)
          This method is called internally by JDiagram when performing the action.
 DiagramItem getItem()
          Gets the root of the tree branch related to this command.
 void redo()
          This method is called by the UndoManager when redoing actions.
 void undo()
          This method is called by the UndoManager when undoing actions.
 
Methods inherited from class com.mindfusion.diagramming.Command
addSubCmd, adopt, getContext, getSubCommands, getTitle, isContainerOf, setTitle
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ExpandItemCmd

public ExpandItemCmd(DiagramItem item)
Initializes a new ExpandItemCmd instance.

Parameters:
item - The DiagramItem that will be expanded or collapsed through this command.
Method Detail

execute

public void execute(boolean undoEnabled)
This method is called internally by JDiagram when performing the action.

Specified by:
execute in class Command
Parameters:
undoEnabled - true if the undo manager is enabled at this time, otherwise false.

undo

public void undo()
This method is called by the UndoManager when undoing actions.

Overrides:
undo in class Command

redo

public void redo()
This method is called by the UndoManager when redoing actions.

Overrides:
redo in class Command

getItem

public DiagramItem getItem()
Gets the root of the tree branch related to this command.

Returns:
A reference to an DiagramItem -derived object.