/**
* Copyright (c) 2012 committers of YAKINDU and others.
* 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:
* Markus Muehlbrandt - initial API and implementation
*
*/
package org.yakindu.base.gmf.runtime.treelayout.commands;
import java.util.List;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand;
import org.yakindu.base.gmf.runtime.treelayout.TreeLayoutUtil;
/**
*
* @author Markus Muehlbrandt
*
*/
public class InitializeTreeNodeAnnotationsCommand extends
AbstractTransactionalCommand {
private final IGraphicalEditPart treeRootNodeEditPart;
public InitializeTreeNodeAnnotationsCommand(
TransactionalEditingDomain domain,
IGraphicalEditPart treeRootNodeEditPart) {
super(domain, "InitializeTreeNodeAnnotationsCommand", null);
this.treeRootNodeEditPart = treeRootNodeEditPart;
}
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor,
IAdaptable info) throws ExecutionException {
if (CommandUtil.executeUndoableOperation(
annotateElements(TreeLayoutUtil
.getOrderedTreeChildren(treeRootNodeEditPart))).isOK()) {
return CommandResult.newOKCommandResult();
}
return CommandResult.newErrorCommandResult(new ExecutionException(
"Error while annotating model elements!"));
}
private CompositeTransactionalCommand annotateElements(
List<IGraphicalEditPart> elements) {
final CompositeTransactionalCommand cmd = new CompositeTransactionalCommand(
getEditingDomain(), "AnnotateChildren");
cmd.add(new SetTreeNodesPositionAnnotationCommand(getEditingDomain(),
TreeLayoutUtil.getViews(elements)));
for (final IGraphicalEditPart editPart : elements) {
final List<IGraphicalEditPart> children = TreeLayoutUtil
.getOrderedTreeChildren(editPart);
if (!children.isEmpty()) {
cmd.add(annotateElements(children));
}
}
return cmd;
}
}