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/*****************************************************************************
* Copyright (c) 2011 CEA LIST.
*
* 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:
*
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.diagram.common.commands;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IBorderItemEditPart;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.gmf.runtime.notation.Bounds;
import org.eclipse.gmf.runtime.notation.Shape;
import org.eclipse.papyrus.diagram.common.locator.PortPositionLocatorUtils;
/**
* <pre>
* This class is a command supposed to fixed the location of a Port.
* It verifies if the current location (in the notation model) is correct,
* and correct if if needed.
* </pre>
*/
public class FixPortLocationCommand extends AbstractTransactionalCommand {
/** The proposed (or current) location */
private final Rectangle proposedLocation;
/** The most adapted valid location */
private final Rectangle validLocation;
/** The shape of the borderItem */
private Shape borderItemShape;
/** The border item bounds */
private Bounds borderItemBounds;
/**
* Constructor for the command.
*
* @param domain
* the editing domain.
* @param borderItemEP
* assumed to be a Port due to the use of {@link PortPositionLocatorUtils} to calculate the correct
* location.
* @param parentEP
* the edit part of the graphical parent of borderItemEP.
*/
public FixPortLocationCommand(TransactionalEditingDomain domain, IBorderItemEditPart borderItemEditPart, GraphicalEditPart parentEditPart) {
super(domain, "Fix port location command", null);
borderItemShape = (Shape) borderItemEditPart.getNotationView();
borderItemBounds = (Bounds)borderItemShape.getLayoutConstraint();
proposedLocation = new Rectangle(borderItemBounds.getX(), borderItemBounds.getY(), borderItemBounds.getWidth(), borderItemBounds.getHeight());
validLocation = PortPositionLocatorUtils.getBorderLocation(parentEditPart.getFigure().getBounds().getCopy(), proposedLocation, 10);
}
/**
* Only allow fix action when there is something to fix...
*/
@Override
public boolean canExecute() {
return (proposedLocation.equals(validLocation)) ? false : true;
}
/**
* Set the IBorderItemEditPart view bounds with a corrected location.
*/
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor,
IAdaptable info) throws ExecutionException {
borderItemBounds.setX(validLocation.x);
borderItemBounds.setY(validLocation.y);
return CommandResult.newOKCommandResult();
}
}
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