br.edu.fei.dcc.raciocinioespacial.editor.shapes.model.command
Class ShapeCreateCommand

java.lang.Object
  extended by org.eclipse.gef.commands.Command
      extended by br.edu.fei.dcc.raciocinioespacial.editor.shapes.model.command.ShapeCreateCommand

public class ShapeCreateCommand
extends org.eclipse.gef.commands.Command

Comando para adicionar uma forma/shape no ShapeDiagram. Este comando pode ser desfeito e refeito.


Constructor Summary
ShapeCreateCommand(ShapesDiagram parent, org.eclipse.gef.requests.CreateRequest req)
          Cria o comando que adicionará a nova forma/shape no diagrama.
 
Method Summary
 boolean canUndo()
           
 void execute()
           
 void redo()
           
 void undo()
           
 
Methods inherited from class org.eclipse.gef.commands.Command
canExecute, chain, dispose, getDebugLabel, getLabel, setDebugLabel, setLabel
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ShapeCreateCommand

public ShapeCreateCommand(ShapesDiagram parent,
                          org.eclipse.gef.requests.CreateRequest req)
Cria o comando que adicionará a nova forma/shape no diagrama.

Parameters:
parent - uma instância de ShapesDiagram que armazenará a forma.
req - quem está requisitando a criação da forma.
Throws:
java.lang.IllegalArgumentException - se algum parâmetro for nulo, ou o requisitante não prover uma instância de Shape.
Method Detail

canUndo

public boolean canUndo()
Overrides:
canUndo in class org.eclipse.gef.commands.Command

execute

public void execute()
Overrides:
execute in class org.eclipse.gef.commands.Command

redo

public void redo()
Overrides:
redo in class org.eclipse.gef.commands.Command

undo

public void undo()
Overrides:
undo in class org.eclipse.gef.commands.Command