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/*****************************************************************************
* Copyright (c) 2016 CEA LIST and others.
*
* 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.uml.diagram.sequence.referencialgrilling;
import org.eclipse.draw2d.geometry.PrecisionRectangle;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.diagram.core.listener.DiagramEventBroker;
import org.eclipse.gmf.runtime.diagram.core.listener.NotificationListener;
import org.eclipse.gmf.runtime.diagram.ui.editparts.DiagramEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.notation.Bounds;
import org.eclipse.gmf.runtime.notation.DecorationNode;
import org.eclipse.gmf.runtime.notation.Location;
import org.eclipse.gmf.runtime.notation.Node;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.papyrus.infra.gmfdiag.common.editpolicies.AutomaticNotationEditPolicy;
import org.eclipse.papyrus.infra.gmfdiag.common.helper.NotationHelper;
import org.eclipse.papyrus.uml.diagram.sequence.part.UMLDiagramEditorPlugin;
import org.eclipse.uml2.uml.Element;
/**
* this class is used to connect a node to the grid
* X, Y, X+Width, Y+HEIGHT
*
*/
public class ConnectNodeToGridEditPolicy extends ConnectToGridEditPolicy implements AutomaticNotationEditPolicy, NotificationListener, IGrillingEditpolicy {
protected GrillingEditpart grillingCompartment=null;
public static String CONNECT_TO_GRILLING_MANAGEMENT="CONNECT_TO_GRILLING_MANAGEMENT";
protected DecorationNode rowStart=null;
protected DecorationNode rowFinish=null;
protected DecorationNode columnStart=null;
protected DecorationNode columnFinish=null;
/**
* Constructor.
*
*/
public ConnectNodeToGridEditPolicy() {
}
/**
* @see org.eclipse.gef.editpolicies.AbstractEditPolicy#activate()
*
*/
@Override
public void activate() {
super.activate();
getDiagramEventBroker().addNotificationListener(((EObject)getHost().getModel()), this);
DiagramEditPart diagramEditPart=getDiagramEditPart(getHost());
Node node=((Node)((GraphicalEditPart)getHost()).getNotationView());
try{
GrillingManagementEditPolicy grilling=(GrillingManagementEditPolicy)diagramEditPart.getEditPolicy(GrillingManagementEditPolicy.GRILLING_MANAGEMENT);
grilling.cleanUnusedRowAndColumn();
Node nodeContainer=(Node)(((GraphicalEditPart)getHost()).getNotationView()).eContainer();
PrecisionRectangle originPosition= NotationHelper.getAbsoluteBounds(nodeContainer);
Element element=(Element) ((GraphicalEditPart)getHost()).resolveSemanticElement();
if (grilling!=null){
PrecisionRectangle p=NotationHelper.getAbsoluteBounds((Node)((GraphicalEditPart)getHost()).getNotationView());
rowStart=grilling.getRowTolisten(originPosition.y+p.y(), element);
columnStart=grilling.getColumnTolisten(originPosition.x+p.x(), element);
getDiagramEventBroker().addNotificationListener(rowStart, this);
getDiagramEventBroker().addNotificationListener(columnStart, this);
rowFinish=grilling.getRowTolisten(originPosition.y+p.y()+BoundForEditPart.getHeightFromView(node), element);
getDiagramEventBroker().addNotificationListener(rowFinish, this);
columnFinish=grilling.getColumnTolisten(originPosition.x+p.x()+BoundForEditPart.getWidthFromView(node), element);
getDiagramEventBroker().addNotificationListener(columnFinish, this);
}
}catch (NoGrillElementFound e) {
UMLDiagramEditorPlugin.log.error(e);
}
}
/* Gets the diagram event broker from the editing domain.
*
* @return the diagram event broker
*/
protected DiagramEventBroker getDiagramEventBroker() {
TransactionalEditingDomain theEditingDomain = ((IGraphicalEditPart) getHost()).getEditingDomain();
if (null != theEditingDomain) {
return DiagramEventBroker.getInstance(theEditingDomain);
}
return null;
}
/**
* @see org.eclipse.gef.editpolicies.AbstractEditPolicy#deactivate()
*
*/
@Override
public void deactivate() {
getDiagramEventBroker().removeNotificationListener(((EObject)getHost().getModel()), this);
super.deactivate();
}
/**
* @see org.eclipse.gmf.runtime.diagram.core.listener.NotificationListener#notifyChanged(org.eclipse.emf.common.notify.Notification)
*
* @param notification
*/
@Override
public void notifyChanged(Notification notification) {
//Display imprecision
Node nodeContainer=(Node)(((GraphicalEditPart)getHost()).getNotationView()).eContainer();
PrecisionRectangle originPosition= NotationHelper.getAbsoluteBounds(nodeContainer);
Bounds currentBounds=(Bounds) ((Node)((GraphicalEditPart)getHost()).getNotationView()).getLayoutConstraint();
//the ROW has changed so we must update the position of the combined fragment
if( notification.getEventType()==Notification.SET && notification.getNotifier() instanceof Location && (((EObject)notification.getNotifier()).eContainer().equals(rowStart))){
//The grill is in absolute
//compute next position for View.bound.y
Location boundsRow=(Location) ((Node)rowStart).getLayoutConstraint();
int newY=boundsRow.getY()-originPosition.y();
updateNodePositionOfControler(currentBounds.getX(), newY);
}
//the COLUMN has changed so we must update the postion of the combined fragment
if( notification.getEventType()==Notification.SET && notification.getNotifier() instanceof Location && (((EObject)notification.getNotifier()).eContainer().equals(columnStart))){
//The grill is in absolute
Location boundsColumn=(Location) ((Node)columnStart).getLayoutConstraint();
int newX=boundsColumn.getX()-originPosition.x();
updateNodePositionOfControler(newX, currentBounds.getY());
}
if( notification.getEventType()==Notification.SET && notification.getNotifier() instanceof Location && (((EObject)notification.getNotifier()).eContainer().equals(rowFinish))){
//The grill is in absolute
Location boundsColumn=(Location) ((Node)rowFinish).getLayoutConstraint();
int newHeight=boundsColumn.getY()-originPosition.y()-currentBounds.getY();
updateSizeOfControler(currentBounds.getWidth(), newHeight);
}
if( notification.getEventType()==Notification.SET && notification.getNotifier() instanceof Location && (((EObject)notification.getNotifier()).eContainer().equals(columnFinish))){
//The grill is in absolute
Location boundsColumn=(Location) ((Node)columnFinish).getLayoutConstraint();
int newX=boundsColumn.getX()-originPosition.x()-currentBounds.getX();
updateSizeOfControler(newX, currentBounds.getHeight());
}
//UPDATE COLUM AND ROW of THE GRID
if( notification.getEventType()==Notification.SET && notification.getNotifier() instanceof Bounds && (((EObject)notification.getNotifier()).eContainer().equals(((EObject)getHost().getModel())))){
PrecisionRectangle p=NotationHelper.getAbsoluteBounds((Node)((GraphicalEditPart)getHost()).getNotationView());
if( notification.getFeature().equals(NotationPackage.eINSTANCE.getSize_Height())){
int newY=p.y+p.height;
updatePositionGridAxis(rowFinish, 0, newY);
}
if( notification.getFeature().equals(NotationPackage.eINSTANCE.getSize_Width())){
int newX=p.x+p.width;
updatePositionGridAxis(columnFinish, newX,0);
}
if( notification.getFeature().equals(NotationPackage.eINSTANCE.getLocation_Y())){
//compute next position for RowStart
int newY=notification.getNewIntValue()+originPosition.y();
updatePositionGridAxis(rowStart, 0, newY);
}
if( notification.getFeature().equals(NotationPackage.eINSTANCE.getLocation_X())){
//compute next position for RowStart
int newX=notification.getNewIntValue()+originPosition.x();
updatePositionGridAxis(columnStart, newX, 0);
}
}
}
}
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