/*******************************************************************************
* 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.internal.model.Action;
import org.springframework.ide.eclipse.webflow.core.internal.model.BeanAction;
import org.springframework.ide.eclipse.webflow.core.internal.model.EntryActions;
import org.springframework.ide.eclipse.webflow.core.internal.model.EvaluateAction;
import org.springframework.ide.eclipse.webflow.core.internal.model.ExitActions;
import org.springframework.ide.eclipse.webflow.core.internal.model.RenderActions;
import org.springframework.ide.eclipse.webflow.core.internal.model.Set;
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.IState;
import org.springframework.ide.eclipse.webflow.core.model.IViewState;
import org.springframework.ide.eclipse.webflow.core.model.IWebflowModelElement;
/**
* @author Christian Dupuis
*/
public class ActionCloneCommand extends Command {
/**
*
*/
private IActionElement oldChild;
/**
*
*/
private IActionElement child;
/**
*
*/
private IWebflowModelElement newState;
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#execute()
*/
public void execute() {
if (oldChild instanceof Action) {
child = ((Action) oldChild).cloneModelElement();
}
else if (oldChild instanceof BeanAction) {
child = ((BeanAction) oldChild).cloneModelElement();
}
else if (oldChild instanceof EvaluateAction) {
child = ((EvaluateAction) oldChild).cloneModelElement();
}
else if (oldChild instanceof Set) {
child = ((Set) oldChild).cloneModelElement();
}
if (child.getType() == IActionElement.ACTION_TYPE.ACTION
&& newState instanceof IActionState) {
child.setElementParent(newState);
}
else if (child.getType() == IActionElement.ACTION_TYPE.RENDER_ACTION
&& newState instanceof IViewState) {
IViewState state = (IViewState) newState;
if (state.getRenderActions() == null) {
RenderActions entry = new RenderActions();
entry.createNew(state);
state.setRenderActions(entry);
}
child.setElementParent(state.getRenderActions());
}
else if (child.getType() == IActionElement.ACTION_TYPE.ENTRY_ACTION
&& newState instanceof IState) {
IState state = (IState) newState;
if (state.getEntryActions() == null) {
EntryActions entry = new EntryActions();
entry.createNew(state);
state.setEntryActions(entry);
}
child.setElementParent(state.getEntryActions());
}
else if (child.getType() == IActionElement.ACTION_TYPE.EXIT_ACTION
&& newState instanceof IState) {
IState state = (IState) newState;
if (state.getExitActions() == null) {
ExitActions entry = new ExitActions();
entry.createNew(state);
state.setExitActions(entry);
}
child.setElementParent(state.getExitActions());
}
if (child.getElementParent() instanceof IEntryActions) {
((IEntryActions) child.getElementParent()).addEntryAction(child);
}
else if (child.getElementParent() instanceof IExitActions) {
((IExitActions) child.getElementParent()).addExitAction(child);
}
else if (child.getElementParent() instanceof IRenderActions) {
((IRenderActions) child.getElementParent()).addRenderAction(child);
}
else if (child.getElementParent() instanceof IActionState) {
((IActionState) child.getElementParent()).addAction(child);
}
}
/**
*
*
* @param child
*/
public void setChild(IActionElement child) {
this.oldChild = child;
}
/* (non-Javadoc)
* @see org.eclipse.gef.commands.Command#undo()
*/
public void undo() {
IWebflowModelElement parent = (IWebflowModelElement) child.getElementParent();
if (parent instanceof IEntryActions) {
((IEntryActions) parent).removeEntryAction(child);
}
else if (parent instanceof IExitActions) {
((IExitActions) parent).removeExitAction(child);
}
else if (parent instanceof IRenderActions) {
((IRenderActions) parent).removeRenderAction(child);
}
else if (parent instanceof IActionState) {
((IActionState) parent).removeAction(child);
}
if (child.getType() == IActionElement.ACTION_TYPE.RENDER_ACTION
&& parent instanceof IRenderActions) {
IRenderActions state = (IRenderActions) parent;
if (state != null
&& state.getRenderActions().size() == 0) {
((IViewState) state.getElementParent()).setRenderActions(null);
}
}
else if (child.getType() == IActionElement.ACTION_TYPE.ENTRY_ACTION
&& parent instanceof IEntryActions) {
IEntryActions state = (IEntryActions) parent;
if (state != null
&& state.getEntryActions().size() == 0) {
((IState) state.getElementParent()).setEntryActions(null);
}
}
else if (child.getType() == IActionElement.ACTION_TYPE.EXIT_ACTION
&& parent instanceof IExitActions) {
IExitActions state = (IExitActions) parent;
if (state != null
&& state.getExitActions().size() == 0) {
((IState) state.getElementParent()).setExitActions(null);
}
}
}
/**
*
*
* @param newState
*/
public void setNewState(IWebflowModelElement newState) {
this.newState = newState;
}
}