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/*****************************************************************************
* Copyright (c) 2009 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:
* Patrick Tessier (CEA LIST) Patrick.tessier@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.diagram.clazz.custom.policies;
import org.eclipse.gef.DragTracker;
import org.eclipse.gef.Request;
import org.eclipse.gef.RequestConstants;
import org.eclipse.gef.requests.SelectionRequest;
import org.eclipse.gef.tools.DeselectAllTracker;
import org.eclipse.gmf.runtime.diagram.ui.editparts.ShapeCompartmentEditPart;
import org.eclipse.gmf.runtime.diagram.ui.internal.tools.RubberbandDragTracker;
import org.eclipse.gmf.runtime.notation.View;
/**
* this is an abstract editpart used to allow double click on XY layout compartment
*
*/
@SuppressWarnings("restriction")
public abstract class AbstractPackageableElementCompartmentEditPart extends ShapeCompartmentEditPart {
public AbstractPackageableElementCompartmentEditPart(View view) {
super(view);
}
/**
*
* @see org.eclipse.gmf.runtime.diagram.ui.editparts.ShapeCompartmentEditPart#getDragTracker(org.eclipse.gef.Request)
*
*/
public DragTracker getDragTracker(Request req) {
if (!supportsDragSelection())
return super.getDragTracker(req);
if (req instanceof SelectionRequest
&& ((SelectionRequest) req).getLastButtonPressed() == 3)
return new DeselectAllTracker(this) {
protected boolean handleButtonDown(int button) {
getCurrentViewer().select(AbstractPackageableElementCompartmentEditPart.this);
return true;
}
};
return new RubberbandDragTracker() {
/* this method has been respecified in order to allow double click
* on the compartment.
* hence it allows the navigation by double click
*/
protected boolean handleDoubleClick(int button) {
SelectionRequest request = new SelectionRequest();
request.setLocation(getLocation());
request.setType(RequestConstants.REQ_OPEN);
AbstractPackageableElementCompartmentEditPart.this.performRequest(request);
return true;
}
protected void handleFinished() {
if (getViewer().getSelectedEditParts().isEmpty())
getViewer().select(AbstractPackageableElementCompartmentEditPart.this);
}
};
}
}
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