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/*******************************************************************************
* Copyright (c) 2012 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
*******************************************************************************/
package org.eclipse.papyrus.uml.diagram.timing.custom.edit.parts;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.PositionConstants;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.requests.LocationRequest;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.CommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IBorderItemEditPart;
import org.eclipse.gmf.runtime.diagram.ui.figures.BorderItemLocator;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.commands.wrappers.GMFtoEMFCommandWrapper;
import org.eclipse.papyrus.uml.diagram.timing.custom.Messages;
import org.eclipse.papyrus.uml.diagram.timing.custom.edit.commands.CutAndInsertOccurrenceSpecificationCompactLifelineCommand;
import org.eclipse.papyrus.uml.diagram.timing.custom.edit.policies.AbstractTimelineLayoutPolicy;
import org.eclipse.papyrus.uml.diagram.timing.custom.figures.SmallSquareFigure;
import org.eclipse.papyrus.uml.diagram.timing.custom.utils.EditPartUtils;
import org.eclipse.papyrus.uml.diagram.timing.edit.parts.CompactLifelineCompartmentEditPartCN;
import org.eclipse.papyrus.uml.diagram.timing.edit.parts.CompactStateInvariantEditPartCN;
import org.eclipse.papyrus.uml.diagram.timing.edit.parts.StateInvariantAppliedStereotypeEditPart;
import org.eclipse.uml2.uml.StateInvariant;
public class CustomCompactStateInvariantEditPartCN extends CompactStateInvariantEditPartCN {
public CustomCompactStateInvariantEditPartCN(final View view) {
super(view);
}
@Override
public void performRequest(final Request request) {
// allow creating an OccurrenceSpecification when double-clicking on a StateInvariant line
// (in addition to the OccurrenceSpecification creation tool from the palette)
if(request.getType() == REQ_OPEN && request instanceof LocationRequest) {
final StateInvariant stateInvariant = (StateInvariant)((View)getModel()).getElement();
final TransactionalEditingDomain editingDomain = TransactionUtil.getEditingDomain(stateInvariant);
// shift by 2 pixels to cut at the center of the OccurrenceSpecification
final Point loc = new Point(((LocationRequest)request).getLocation()).translate(-SmallSquareFigure.RADIUS, 0);
final CompositeCommand compositeCommand = new CompositeCommand(Messages.CustomCompactStateInvariantEditPartCN_CreateOccurrenceSpecification);
compositeCommand.add(new CutAndInsertOccurrenceSpecificationCompactLifelineCommand(this, loc, false));
final EditPart timeline = EditPartUtils.findParentEditPartWithId(this, CompactLifelineCompartmentEditPartCN.VISUAL_ID);
final Command updateLayoutCommand = timeline.getCommand(AbstractTimelineLayoutPolicy.UPDATE_LAYOUT_REQUEST);
compositeCommand.add(new CommandProxy(updateLayoutCommand));
editingDomain.getCommandStack().execute(new GMFtoEMFCommandWrapper(compositeCommand));
} else {
super.performRequest(request);
}
}
@Override
protected void addBorderItem(final IFigure borderItemContainer, final IBorderItemEditPart borderItemEditPart) {
if(borderItemEditPart instanceof StateInvariantAppliedStereotypeEditPart) {
final BorderItemLocator locator = new BorderItemLocator(getMainFigure(), PositionConstants.SOUTH) {
@Override
public int getPreferredSideOfParent() {
/*
* Avoids an infinite layout bug that makes the UI thread freeze indefinitely, because
* BorderItemLocator continuously switches from PositionConstants.TOP to PositionConstants.MIDDLE.
*/
return PositionConstants.TOP;
}
};
locator.setBorderItemOffset(new Dimension(-20, -20));
borderItemContainer.add(borderItemEditPart.getFigure(), locator);
} else {
super.addBorderItem(borderItemContainer, borderItemEditPart);
}
}
}
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