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/*****************************************************************************
* Copyright (c) 2012, 2016 CEA LIST, Christian W. Damus, 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
* Christian W. Damus (CEA) - support pluggable edit-part conflict detection (CDO)
* C�line Janssens (ALL4TEC) - Override getDragTracker with the PapyrusRubberbandDragTracker
* Christian W. Damus - bugs 451230, 461629, 501946
* Mickael ADAM (ALL4TEC) mickael.adam@all4tec.net - add refresh of SVGPostProcessor - Bug 467569
*
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.common.editpart;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import java.util.WeakHashMap;
import org.eclipse.gef.DragTracker;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.Request;
import org.eclipse.gef.requests.SelectionRequest;
import org.eclipse.gef.tools.DeselectAllTracker;
import org.eclipse.gmf.runtime.diagram.ui.editparts.DiagramEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.gmfdiag.common.Activator;
import org.eclipse.papyrus.infra.gmfdiag.common.editpolicies.PapyrusPopupBarEditPolicy;
import org.eclipse.papyrus.infra.gmfdiag.common.editpolicies.XYLayoutWithConstrainedResizedEditPolicy;
import org.eclipse.papyrus.infra.gmfdiag.common.handler.IRefreshHandlerPart;
import org.eclipse.papyrus.infra.gmfdiag.common.selection.PapyrusRubberbandDragTracker;
import org.eclipse.papyrus.infra.gmfdiag.common.service.shape.SVGPostProcessor;
import org.eclipse.papyrus.infra.gmfdiag.common.utils.ServiceUtilsForEditPart;
import org.eclipse.papyrus.infra.ui.editor.IMultiDiagramEditor;
import org.eclipse.ui.IEditorPart;
import com.google.common.collect.Sets;
public class PapyrusDiagramEditPart extends DiagramEditPart {
// We store weak-referencing sets in the values
private static final Map<Diagram, Set<PapyrusDiagramEditPart>> diagrams = new WeakHashMap<Diagram, Set<PapyrusDiagramEditPart>>();
private IConflictingEditPartFilter conflictFilter = IConflictingEditPartFilter.DEFAULT;
/**
* Id of the right clic button
*/
public final static int RIGHT_MOUSE_BUTTON = 3;
public PapyrusDiagramEditPart(View diagramView) {
super(diagramView);
register(diagramView, this);
}
private static void register(View diagramView, PapyrusDiagramEditPart editPart) {
if (diagramView instanceof Diagram) {
Diagram diagram = (Diagram) diagramView;
synchronized (diagrams) {
Set<PapyrusDiagramEditPart> diagramEditParts = diagrams.get(diagram);
if (diagramEditParts == null) {
// A weak-referencing set
diagramEditParts = Sets.newSetFromMap(new WeakHashMap<PapyrusDiagramEditPart, Boolean>());
diagrams.put(diagram, diagramEditParts);
}
diagramEditParts.add(editPart);
}
}
}
@Override
public void refresh() {
if (hasNotationView() && (getNotationView().eResource() != null)) {
if (SVGPostProcessor.instance instanceof IRefreshHandlerPart) {
IEditorPart activeEditor = null;
try {
IMultiDiagramEditor multiDiagramEditor = ServiceUtilsForEditPart.getInstance().getService(IMultiDiagramEditor.class, this);
activeEditor = multiDiagramEditor.getActiveEditor();
} catch (ServiceException e) {
Activator.log.error(e);
}
((IRefreshHandlerPart) SVGPostProcessor.instance).refresh(activeEditor);
}
super.refresh();
}
}
/**
* Obtains the edit-parts currently managing the specified {@code diagram} in editors.
*
* @param diagram
* a diagram (may be {@code null})
*
* @return the set of edit-parts for the diagram, or an empty set if none (such as when the {@code diagram} is {@code null})
*/
public static Set<? extends DiagramEditPart> getDiagramEditPartsFor(Diagram diagram) {
Set<? extends PapyrusDiagramEditPart> result;
synchronized (diagrams) {
result = diagrams.get(diagram);
}
if (result == null) {
result = Collections.emptySet();
}
return result;
}
@Override
protected void removeChild(EditPart child) {
if (!getConflictingEditPartFilter().isConflicting(child)) {
super.removeChild(child);
}
}
public IConflictingEditPartFilter getConflictingEditPartFilter() {
return conflictFilter;
}
public void setConflictingEditPartFilter(IConflictingEditPartFilter filter) {
this.conflictFilter = (filter == null) ? IConflictingEditPartFilter.DEFAULT : filter;
}
/**
* @see org.eclipse.gmf.runtime.diagram.ui.editparts.DiagramEditPart#createDefaultEditPolicies()
*/
@Override
protected void createDefaultEditPolicies() {
super.createDefaultEditPolicies();
installEditPolicy(EditPolicy.LAYOUT_ROLE, new XYLayoutWithConstrainedResizedEditPolicy());
// Replace GMF's default popup-bar edit policy
removeEditPolicy(EditPolicyRoles.POPUPBAR_ROLE);
installEditPolicy(EditPolicyRoles.POPUPBAR_ROLE, new PapyrusPopupBarEditPolicy());
}
/**
* @see org.eclipse.gmf.runtime.diagram.ui.editparts.DiagramEditPart#getDragTracker(org.eclipse.gef.Request)
*
* @param req
* @return a New DragTracker
*/
@Override
public DragTracker getDragTracker(Request req) {
// In case of new selection and right-click deselect previous trackers
if (req instanceof SelectionRequest && ((SelectionRequest) req).getLastButtonPressed() == RIGHT_MOUSE_BUTTON) {
return new DeselectAllTracker(this);
}
// This new tracker includes connections, Labels, nodes and different Behaviors
return new PapyrusRubberbandDragTracker();
}
}
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