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/*****************************************************************************
* Copyright (c) 2010 CEA
*
*
* 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:
* Soyatec - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.sequence.edit.policies;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Connection;
import org.eclipse.draw2d.ConnectionRouter;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.PolylineConnection;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.ConnectionEditPart;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.gef.commands.UnexecutableCommand;
import org.eclipse.gef.requests.CreateConnectionRequest;
import org.eclipse.gef.requests.ReconnectRequest;
import org.eclipse.gmf.runtime.diagram.core.commands.SetConnectionEndsCommand;
import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.GraphicalNodeEditPolicy;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewAndElementRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewRequest.ConnectionViewDescriptor;
import org.eclipse.gmf.runtime.emf.type.core.IHintedType;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.sequence.command.OLDCreateGateViewCommand;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.OLDGateEditPart;
import org.eclipse.papyrus.uml.diagram.sequence.providers.UMLElementTypes;
import org.eclipse.papyrus.uml.diagram.sequence.util.GateHelper;
import org.eclipse.papyrus.uml.diagram.sequence.util.SequenceRequestConstant;
import org.eclipse.papyrus.uml.diagram.sequence.util.SequenceUtil;
import org.eclipse.uml2.uml.CombinedFragment;
import org.eclipse.uml2.uml.Gate;
import org.eclipse.uml2.uml.Interaction;
import org.eclipse.uml2.uml.InteractionFragment;
import org.eclipse.uml2.uml.InteractionOperand;
import org.eclipse.uml2.uml.InteractionUse;
import org.eclipse.uml2.uml.Message;
import org.eclipse.uml2.uml.MessageEnd;
/**
* @author Jin Liu (jin.liu@soyatec.com)
*/
@SuppressWarnings("unchecked")
public class OLDGateGraphicalNodeEditPolicy extends GraphicalNodeEditPolicy {
/**
* @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.GraphicalNodeEditPolicy#getConnectionCompleteCommand(org.eclipse.gef.requests.CreateConnectionRequest)
*
* @param request
* @return
*/
@Override
protected Command getConnectionCompleteCommand(CreateConnectionRequest request) {
request.getExtendedData().put(SequenceRequestConstant.TARGET_MODEL_CONTAINER, getInteractionFragment(request.getLocation()));
Command command = super.getConnectionCompleteCommand(request);
if (request instanceof CreateConnectionViewAndElementRequest) {
CreateConnectionViewAndElementRequest viewRequest = (CreateConnectionViewAndElementRequest) request;
EditPart sourceEP = viewRequest.getSourceEditPart();
EObject source = ViewUtil.resolveSemanticElement((View) sourceEP.getModel());
/*
* Create Graphical Gate if needed, See: https://bugs.eclipse.org/bugs/show_bug.cgi?id=389531
*/
String semanticHint = viewRequest.getConnectionViewAndElementDescriptor().getSemanticHint();
// Ignore CoRegion.
if ((((IHintedType) (UMLElementTypes.Message_AsynchEdge)).getSemanticHint().equals(semanticHint) || ((IHintedType) (UMLElementTypes.Message_ReplyEdge)).getSemanticHint().equals(semanticHint))) {
if (source instanceof CombinedFragment || source instanceof Interaction || source instanceof InteractionUse) {
CompoundCommand cc = new CompoundCommand("Redirect to Gate");
Point location = null;
IGraphicalEditPart adapter = (IGraphicalEditPart) sourceEP.getAdapter(IGraphicalEditPart.class);
if (adapter != null) {
Point sourceLocation = request.getLocation();
Object object = request.getExtendedData().get(SequenceRequestConstant.SOURCE_LOCATION_DATA);
if (object instanceof Point) {
sourceLocation = (Point) object;
}
location = GateHelper.computeGateLocation(sourceLocation, adapter.getFigure(), null);
}
ConnectionViewDescriptor edgeAdapter = viewRequest.getConnectionViewDescriptor();
final IAdaptable elementAdapter = edgeAdapter.getElementAdapter();
if (elementAdapter != null) {
IAdaptable gateAdapter = new IAdaptable() {
@Override
public Object getAdapter(Class adapter) {
if (Gate.class == adapter) {
Message message = (Message) elementAdapter.getAdapter(Message.class);
MessageEnd sendEvent = message.getSendEvent();
if (sendEvent instanceof Gate) {
return sendEvent;
}
}
return null;
}
};
TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost()).getEditingDomain();
OLDCreateGateViewCommand createGateCommand = new OLDCreateGateViewCommand(editingDomain, sourceEP, location, gateAdapter);
cc.add(new ICommandProxy(createGateCommand));
SetConnectionEndsCommand resetSourceCommand = new SetConnectionEndsCommand(editingDomain, null);
resetSourceCommand.setEdgeAdaptor(edgeAdapter);
resetSourceCommand.setNewSourceAdaptor(createGateCommand.getResult());
cc.add(new ICommandProxy(resetSourceCommand));
if (cc.canExecute()) {
command = command.chain(cc);
}
}
}
}
}
return command;
}
private Gate resolveSemanticElement() {
return (Gate) ((OLDGateEditPart) getHost()).resolveSemanticElement();
}
/**
* Fix bug to find a correct InteractionOperand when connecting on CombinedFragment.
*
* @param location
* @return
*/
private InteractionFragment getInteractionFragment(Point location) {
Gate gate = resolveSemanticElement();
if (gate != null) {
InteractionFragment fragment = (InteractionFragment) gate.eContainer();
if (fragment instanceof CombinedFragment) {
fragment = SequenceUtil.findInteractionFragmentContainerAt(location, getHost());
if (!(fragment instanceof InteractionOperand)) {
Rectangle rect = SequenceUtil.getAbsoluteBounds((IGraphicalEditPart) getHost());
fragment = SequenceUtil.findInteractionFragmentContainerAt(rect.getRight(), getHost());
if (!(fragment instanceof InteractionOperand)) {
fragment = SequenceUtil.findInteractionFragmentContainerAt(rect.getLeft(), getHost());
}
}
}
return fragment;
}
return null;
}
/**
* @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.GraphicalNodeEditPolicy#getConnectionAndRelationshipCompleteCommand(org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewAndElementRequest)
*
* @param request
* @return
*/
@Override
protected Command getConnectionAndRelationshipCompleteCommand(CreateConnectionViewAndElementRequest request) {
request.getExtendedData().put(SequenceRequestConstant.TARGET_MODEL_CONTAINER, getInteractionFragment(request.getLocation()));
return super.getConnectionAndRelationshipCompleteCommand(request);
}
/**
* @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.GraphicalNodeEditPolicy#getConnectionCreateCommand(org.eclipse.gef.requests.CreateConnectionRequest)
*
* @param request
* @return
*/
@Override
protected Command getConnectionCreateCommand(CreateConnectionRequest request) {
if (request.getSourceEditPart() != null && request.getSourceEditPart() != getHost()) {
return null;
}
request.getExtendedData().put(SequenceRequestConstant.SOURCE_MODEL_CONTAINER, getInteractionFragment(request.getLocation()));
Rectangle rect = SequenceUtil.getAbsoluteBounds((IGraphicalEditPart) getHost());
request.getExtendedData().put(SequenceRequestConstant.SOURCE_LOCATION_DATA, rect.getLocation());
return super.getConnectionCreateCommand(request);
}
/**
* @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.GraphicalNodeEditPolicy#getConnectionAndRelationshipCreateCommand(org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewAndElementRequest)
*
* @param request
* @return
*/
@Override
protected Command getConnectionAndRelationshipCreateCommand(CreateConnectionViewAndElementRequest request) {
if (request.getSourceEditPart() != null && request.getSourceEditPart() != getHost()) {
return null;
}
request.getExtendedData().put(SequenceRequestConstant.SOURCE_MODEL_CONTAINER, getInteractionFragment(request.getLocation()));
Rectangle rect = SequenceUtil.getAbsoluteBounds((IGraphicalEditPart) getHost());
request.getExtendedData().put(SequenceRequestConstant.SOURCE_LOCATION_DATA, rect.getLocation());
return super.getConnectionAndRelationshipCreateCommand(request);
}
@Override
protected Connection createDummyConnection(Request req) {
PolylineConnection c = (PolylineConnection) super.createDummyConnection(req);
c.setLineStyle(Graphics.LINE_DASHDOT);
c.setForegroundColor(ColorConstants.black);
return c;
}
/**
* @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.GraphicalNodeEditPolicy#getDummyConnectionRouter(org.eclipse.gef.requests.CreateConnectionRequest)
*
* @param arg0
* @return
*/
@Override
protected ConnectionRouter getDummyConnectionRouter(CreateConnectionRequest arg0) {
return LifelineChildGraphicalNodeEditPolicy.messageRouter;
}
/**
* @see org.eclipse.gmf.runtime.diagram.ui.editpolicies.GraphicalNodeEditPolicy#getReconnectTargetCommand(org.eclipse.gef.requests.ReconnectRequest)
*
* @param request
* @return
*/
@Override
protected Command getReconnectTargetCommand(ReconnectRequest request) {
ConnectionEditPart connectionEditPart = request.getConnectionEditPart();
IGraphicalEditPart adapter = (IGraphicalEditPart) connectionEditPart.getAdapter(IGraphicalEditPart.class);
if (adapter != null && adapter.resolveSemanticElement() instanceof Message) {
Message oldMessage = (Message) adapter.resolveSemanticElement();
Gate gate = resolveSemanticElement();
if (gate == null || (gate.getMessage() != null && oldMessage != gate.getMessage())) {
return UnexecutableCommand.INSTANCE;
}
}
return super.getReconnectTargetCommand(request);
}
}
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