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/*****************************************************************************
* Copyright (c) 2011 Atos.
*
*
* 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:
* Arthur Daussy (Atos) - Initial API and implementation
* Arthur Daussy - 371712 : 372745: [ActivityDiagram] Major refactoring group framework
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.commands;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.workspace.util.WorkspaceSynchronizer;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.diagram.core.internal.l10n.DiagramCoreMessages;
import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;
public class ChangeParentCommand extends AbstractTransactionalCommand {
private IAdaptable parent;
private IAdaptable child;
private int index;
/**
* Creates a new <code>AddCommand</code>
*
* @param editingDomain
* the editing domain through which model changes are made
* @param parent
* The parent view adapter
* @param child
* The child view adapter
*/
public ChangeParentCommand(TransactionalEditingDomain editingDomain, IAdaptable parent, IAdaptable child) {
this(editingDomain, parent, child, ViewUtil.APPEND);
}
/**
* Creates a new <code>AddCommand</code>
*
* @param editingDomain
* the editing domain through which model changes are made
* @param parent
* The parent view adapter
* @param child
* The child view adapter
* @param index
* the child insertion index
*/
public ChangeParentCommand(TransactionalEditingDomain editingDomain, IAdaptable parent, IAdaptable child, int index) {
super(editingDomain, DiagramCoreMessages.AddCommand_Label, null);
assert null != parent : "Null parent in AddCommand";//$NON-NLS-1$
assert null != child : "Null child in AddCommand";//$NON-NLS-1$
this.parent = parent;
this.child = child;
this.index = index;
}
@Override
public List getAffectedFiles() {
View view = (View) parent.getAdapter(View.class);
if (view != null) {
List result = new ArrayList();
IFile file = WorkspaceSynchronizer.getFile(view.eResource());
if (file != null) {
result.add(file);
}
return result;
}
return super.getAffectedFiles();
}
/**
* executes the command; which will get the child and the containaer from
* the <code>IAdaptable<code> and then insert the child at the given index
* in the containers child list.
*/
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
/**
* Change graphical parent
*/
View childView = child.getAdapter(View.class);
View parentView = parent.getAdapter(View.class);
EObject oldParent = childView.eContainer();
if (oldParent instanceof View) {
((View) oldParent).removeChild(childView);
}
if (index == ViewUtil.APPEND) {
parentView.insertChild(childView);
} else {
parentView.insertChildAt(childView, index);
}
/**
* Change coordinate
*/
ViewUtil.setStructuralFeatureValue(childView, NotationPackage.eINSTANCE.getLocation_X(), Integer.valueOf(110));
ViewUtil.setStructuralFeatureValue(childView, NotationPackage.eINSTANCE.getLocation_Y(), Integer.valueOf(110));
return CommandResult.newOKCommandResult();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gmf.runtime.common.core.command.ICommand#getLabel()
*/
@Override
public String getLabel() {
return DiagramCoreMessages.AddCommand_Label;
}
protected Point getAbsoluteLocation(View v) {
Point result = getLocation(v);
EObject container = v.eContainer();
while (container instanceof View) {
View parentView = (View) container;
Point parentCoordinate = getLocation(parentView);
if (parentCoordinate != null) {
result.translate(parentCoordinate);
}
container = parentView.eContainer();
}
return result;
}
protected Point getLocation(View v) {
Integer x = (Integer) ViewUtil.getStructuralFeatureValue(v, NotationPackage.eINSTANCE.getLocation_X());
Integer y = (Integer) ViewUtil.getStructuralFeatureValue(v, NotationPackage.eINSTANCE.getLocation_Y());
return new Point(x, y);
}
}
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