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/*****************************************************************************
* Copyright (c) 2010 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
* Saadia Dhouib (CEA LIST) saadia.dhouib@cea.fr - adapted from composite diagram
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.communication.custom.helper;
import java.util.Collection;
import java.util.Iterator;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPartViewer;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.diagram.core.preferences.PreferencesHint;
import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
import org.eclipse.gmf.runtime.diagram.ui.commands.CreateCommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.commands.SetBoundsCommand;
import org.eclipse.gmf.runtime.diagram.ui.editparts.CompartmentEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.LabelEditPart;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewRequest.ConnectionViewDescriptor;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest.ViewDescriptor;
import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter;
import org.eclipse.gmf.runtime.emf.type.core.IHintedType;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.common.commands.CommonDeferredCreateConnectionViewCommand;
import org.eclipse.papyrus.uml.diagram.common.commands.SemanticAdapter;
import org.eclipse.papyrus.uml.diagram.common.helper.ElementHelper;
import org.eclipse.papyrus.uml.diagram.communication.providers.UMLElementTypes;
import org.eclipse.uml2.uml.NamedElement;
import org.eclipse.uml2.uml.TimeObservation;
/**
* This class handles {@link TimeObservation} drop in diagram.
* Derived from {@link AssociationHelper}
*/
public class TimeObservationHelper extends ElementHelper {
/**
* Instantiates a new TimeObservation helper.
*
* @param editDomain
* the edit domain
*/
public TimeObservationHelper(TransactionalEditingDomain editDomain) {
this.editDomain = editDomain;
}
/**
* Drop TimeObservation.
*
* @param timeObservation
* the semantic element
* @param viewer
* the viewer
* @param diagramPreferencesHint
* the diagram preferences hint
* @param location
* the location of the drop
* @param containerView
* the container view that will contain the associationClass views
*
* @return the command
*/
public Command dropTimeObservation(TimeObservation timeObservation, EditPartViewer viewer, PreferencesHint diagramPreferencesHint, Point location, View containerView) {
CompositeCommand cc = new CompositeCommand("dropTimeObservation"); //$NON-NLS-1$
// 0. Obtain the events
NamedElement endToConnect = timeObservation.getEvent();
GraphicalEditPart endEditPart = null;
// we have an event
if(endToConnect != null) {
// look for if an EditPart exist for this element
Collection<?> editPartSet = viewer.getEditPartRegistry().values();
Iterator<?> editPartIterator = editPartSet.iterator();
while(editPartIterator.hasNext() && endEditPart == null) {
EditPart currentEditPart = (EditPart)editPartIterator.next();
if(currentEditPart instanceof GraphicalEditPart && endToConnect.equals(((GraphicalEditPart)currentEditPart).resolveSemanticElement())) {
/**
* Warning : TimeObservationEditPart, TimeObservationStereotypeLabelEditPart and
* TimeObservationNameEditPart are equal : This is the object of this 2nd IF!!!
*/
if(!(currentEditPart instanceof CompartmentEditPart) && !(currentEditPart instanceof LabelEditPart))
endEditPart = (GraphicalEditPart)currentEditPart;
}
}
}
// 2. creation of the node TimeObservation
IAdaptable elementAdapter = new EObjectAdapter(timeObservation);
ViewDescriptor descriptor = new ViewDescriptor(elementAdapter, Node.class, ((IHintedType)UMLElementTypes.TimeObservation_8006).getSemanticHint(), ViewUtil.APPEND, false, diagramPreferencesHint);
CreateCommand nodeCreationCommand = new CreateCommand(getEditingDomain(), descriptor, ((View)containerView));
cc.compose(nodeCreationCommand);
SetBoundsCommand setBoundsCommand = new SetBoundsCommand(getEditingDomain(), "move", (IAdaptable)nodeCreationCommand.getCommandResult().getReturnValue(), location); //$NON-NLS-1$
cc.compose(setBoundsCommand);
if(endEditPart != null) {
IAdaptable sourceEventAdapter = null;
IAdaptable targetEventAdapter = null;
// obtain the node figure
sourceEventAdapter = (IAdaptable)nodeCreationCommand.getCommandResult().getReturnValue();
// used in the creation command of the event
ConnectionViewDescriptor dashedLineViewDescriptor = new ConnectionViewDescriptor(UMLElementTypes.TimeObservationEvent_8013, ((IHintedType)UMLElementTypes.TimeObservationEvent_8013).getSemanticHint(), diagramPreferencesHint);
// 3. creation of the dashed line between the associationClass link
targetEventAdapter = new SemanticAdapter(null, endEditPart.getModel());
CommonDeferredCreateConnectionViewCommand dashedLineCmd = new CommonDeferredCreateConnectionViewCommand(getEditingDomain(), ((IHintedType)UMLElementTypes.TimeObservationEvent_8013).getSemanticHint(), ((IAdaptable)sourceEventAdapter), ((IAdaptable)targetEventAdapter), viewer, diagramPreferencesHint, dashedLineViewDescriptor, null);
dashedLineCmd.setElement(timeObservation);
cc.compose(dashedLineCmd);
}
return new ICommandProxy(cc);
}
}
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