/*******************************************************************************
* Copyright (c) 2007 Spring IDE Developers
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Spring IDE Developers - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.webflow.ui.graph.commands;
import org.eclipse.gef.commands.Command;
import org.springframework.ide.eclipse.webflow.core.model.IActionElement;
import org.springframework.ide.eclipse.webflow.core.model.IActionState;
import org.springframework.ide.eclipse.webflow.core.model.IEntryActions;
import org.springframework.ide.eclipse.webflow.core.model.IExitActions;
import org.springframework.ide.eclipse.webflow.core.model.IRenderActions;
import org.springframework.ide.eclipse.webflow.core.model.IWebflowModelElement;
/**
* @author Christian Dupuis
*/
public class DeleteActionCommand extends Command {
/**
*
*/
private IActionElement child;
/**
*
*/
private int index = -1;
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#execute()
*/
public void execute() {
primExecute();
}
/**
*
*/
protected void primExecute() {
IWebflowModelElement parent = (IWebflowModelElement) child.getElementParent();
if (parent instanceof IEntryActions) {
index = ((IEntryActions) parent).getEntryActions().indexOf(child);
((IEntryActions) parent).removeEntryAction(child);
}
else if (parent instanceof IExitActions) {
index = ((IExitActions) parent).getExitActions().indexOf(child);
((IExitActions) parent).removeExitAction(child);
}
else if (parent instanceof IRenderActions) {
index = ((IRenderActions) parent).getRenderActions().indexOf(child);
((IRenderActions) parent).removeRenderAction(child);
}
else if (parent instanceof IActionState) {
index = ((IActionState) parent).getActions().indexOf(child);
((IActionState) parent).removeAction(child);
}
}
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#redo()
*/
public void redo() {
primExecute();
}
/**
*
*
* @param a
*/
public void setChild(IActionElement a) {
child = a;
}
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#undo()
*/
public void undo() {
IWebflowModelElement parent = (IWebflowModelElement) child.getElementParent();
if (parent instanceof IEntryActions) {
((IEntryActions) parent).addEntryAction(child, index);
}
else if (parent instanceof IExitActions) {
((IExitActions) parent).addExitAction(child, index);
}
else if (parent instanceof IRenderActions) {
((IRenderActions) parent).addRenderAction(child, index);
}
else if (parent instanceof IActionState) {
((IActionState) parent).addAction(child, index);
}
}
}