// $Id: CommandStackImpl.java 26 2010-04-03 18:15:09Z marcusvnac $
// Copyright (c) 2007, The ArgoUML Project
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//
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// names of its contributors may be used to endorse or promote products
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//
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package org.argouml.model.euml;
//import org.argouml.model.CommandStack;
/**
* CommandStack implementation to support Undo/Redo.
*
*/
public class CommandStackImpl /*implements CommandStack*/ {
private EUMLModelImplementation modelImplementation;
public CommandStackImpl(EUMLModelImplementation implementation) {
modelImplementation = implementation;
implementation.getEditingDomain().getCommandStack().flush();
}
public boolean canRedo() {
return modelImplementation.getEditingDomain().getCommandStack()
.canRedo();
}
public boolean canUndo() {
return modelImplementation.getEditingDomain().getCommandStack()
.canUndo();
}
public String getRedoLabel() {
return canRedo() ? modelImplementation.getEditingDomain()
.getCommandStack().getRedoCommand().getLabel()
: null;
}
public String getUndoLabel() {
return canUndo() ? modelImplementation.getEditingDomain()
.getCommandStack().getUndoCommand().getLabel()
: null;
}
public boolean isCommandStackCapabilityAvailable() {
return true;
}
public void redo() {
modelImplementation.getEditingDomain().getCommandStack().redo();
}
public void undo() {
modelImplementation.getEditingDomain().getCommandStack().undo();
}
}