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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.parts;
import java.util.List;
import org.eclipse.draw2d.IFigure;
import org.eclipse.draw2d.ScrollPane;
import org.eclipse.draw2d.XYLayout;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.requests.ChangeBoundsRequest;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.editpolicies.EditPolicyRoles;
import org.eclipse.gmf.runtime.diagram.ui.figures.ResizableCompartmentFigure;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewAndElementRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest.ViewDescriptor;
import org.eclipse.gmf.runtime.diagram.ui.requests.RequestConstants;
import org.eclipse.gmf.runtime.emf.type.core.IHintedType;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.common.editpolicies.PapyrusCreationEditPolicy;
import org.eclipse.papyrus.uml.diagram.sequence.edit.policies.CustomDiagramDragDropEditPolicy;
import org.eclipse.papyrus.uml.diagram.sequence.edit.policies.RemoveOrphanViewPolicy;
import org.eclipse.papyrus.uml.diagram.sequence.providers.UMLElementTypes;
import org.eclipse.papyrus.uml.diagram.sequence.util.OperandBoundsComputeHelper;
/**
* @author Jin Liu (jin.liu@soyatec.com)
*/
public class CustomCombinedFragmentCombinedFragmentCompartmentEditPart extends CombinedFragmentCombinedFragmentCompartmentEditPart {
/**
* Children string for notification event type.
*/
private static final String CHILDREN_TYPE = "children";
/**
* Constructor.
*
* @param view
*/
public CustomCombinedFragmentCombinedFragmentCompartmentEditPart(View view) {
super(view);
}
/**
* Not generated for delete borders add stretch children figures.
*
* @Override
*/
@Override
public IFigure createFigure() {
ResizableCompartmentFigure result = (ResizableCompartmentFigure) super.createFigure();
result.getScrollPane().setVerticalScrollBarVisibility(ScrollPane.NEVER);
result.setTitleVisibility(false);
result.setBorder(null);
IFigure contentPane = result.getContentPane();
if (contentPane != null) {
contentPane.setBorder(null);
// fix Scroll bars(https://bugs.eclipse.org/bugs/show_bug.cgi?id=364697)
contentPane.setLayoutManager(new XYLayout());
// LayoutManager layout = contentPane.getLayoutManager();
// if(layout instanceof ConstrainedToolbarLayout) {
// ConstrainedToolbarLayout constrainedToolbarLayout = (ConstrainedToolbarLayout)layout;
// constrainedToolbarLayout.setStretchMajorAxis(true);
// constrainedToolbarLayout.setStretchMinorAxis(true);
// }
}
return result;
}
/**
* Add RemoveOrphanView role
*
* @Override
*/
@Override
protected void createDefaultEditPolicies() {
super.createDefaultEditPolicies();
installEditPolicy(EditPolicyRoles.CREATION_ROLE, createCreationEditPolicy());
installEditPolicy("RemoveOrphanView", new RemoveOrphanViewPolicy()); //$NON-NLS-1$
installEditPolicy(EditPolicyRoles.DRAG_DROP_ROLE, new CustomDiagramDragDropEditPolicy());
}
private EditPolicy createCreationEditPolicy() {
return new PapyrusCreationEditPolicy() {
@Override
protected Command getCreateElementAndViewCommand(CreateViewAndElementRequest request) {
// THIS WAS ALREADY DID IN getCreateCommand(), WHY AGAIN?
// Command createCommand = super.getCreateElementAndViewCommand(request);
// if (createCommand == null || !createCommand.canExecute()){
// return createCommand;
// }
// ICommandProxy commandProxy = (ICommandProxy)createCommand;
// CompositeCommand command = (CompositeCommand)commandProxy.getICommand();
//
// IHintedType type = (IHintedType)UMLElementTypes.InteractionOperand_Shape;
// if(type.getSemanticHint().equals(request.getViewAndElementDescriptor().getSemanticHint())) {
// //fix Scroll bars(https://bugs.eclipse.org/bugs/show_bug.cgi?id=364697), note that we use XYLayout
// //to relocate both its bounds and combined fragment bounds when operand is added to combined fragment
// OperandBoundsComputeHelper.addUpdateBoundsForIOCreationCommand(CombinedFragmentCombinedFragmentCompartmentEditPart.this, request.getViewAndElementDescriptor(), command);
// }
// return commandProxy;
return super.getCreateElementAndViewCommand(request);
}
@Override
protected Command getCreateCommand(CreateViewRequest request) {
ICommandProxy commandProxy = (ICommandProxy) super.getCreateCommand(request);
ICommand command = commandProxy.getICommand();
CompositeCommand compositeCommand = null;
if (command instanceof CompositeCommand) {
compositeCommand = (CompositeCommand) command;
} else {
compositeCommand = new CompositeCommand(commandProxy.getLabel());
compositeCommand.add(command);
}
for (ViewDescriptor viewDescriptor : request.getViewDescriptors()) {
IHintedType type = (IHintedType) UMLElementTypes.InteractionOperand_Shape;
if (type.getSemanticHint().equals(viewDescriptor.getSemanticHint())) {
// fix Scroll bars(https://bugs.eclipse.org/bugs/show_bug.cgi?id=364697), note that we use XYLayout
// to relocate both its bounds and combined fragment bounds when operand is added to combined fragment
OperandBoundsComputeHelper.addUpdateBoundsForIOCreationCommand(CustomCombinedFragmentCombinedFragmentCompartmentEditPart.this, viewDescriptor, compositeCommand);
}
}
return new ICommandProxy(compositeCommand.reduce());
}
};
}
/**
* Not generated for handle the first InteractionOperand case (no LineSeparator) {@inheritDoc}
*
*/
@Override
protected EditPart createChild(Object model) {
EditPart child = super.createChild(model);
if (getChildren() == null || getChildren().isEmpty() && child instanceof CustomInteractionOperandEditPart) {
((CustomInteractionOperandEditPart) child).setFirstOperand(true);
}
return child;
}
/**
* Handle the first InteractionOperand deletion case (change FirstOperand attribute)
*/
@Override
protected void handleNotificationEvent(Notification event) {
Object feature = event.getFeature();
if (feature instanceof EStructuralFeature) {
EStructuralFeature ref = (EStructuralFeature) feature;
String typeName = ref.getName();
if (CHILDREN_TYPE.equals(typeName)) {
if (event.getEventType() == Notification.UNSET || event.getEventType() == Notification.REMOVE) {
List<?> children = getChildren();
if (children != null && children.size() > 1) {
Object firstChild = children.get(0);
if (firstChild instanceof CustomInteractionOperandEditPart) {
CustomInteractionOperandEditPart firstOperandChild = (CustomInteractionOperandEditPart) firstChild;
Object firstChildModel = firstOperandChild.getModel();
if (firstChildModel != null && firstChildModel.equals(event.getOldValue()) && children.get(1) instanceof CustomInteractionOperandEditPart) {
CustomInteractionOperandEditPart secondOperandChild = (CustomInteractionOperandEditPart) children.get(1);
secondOperandChild.setFirstOperand(true);
}
}
}
}
}
}
super.handleNotificationEvent(event);
}
public boolean ignoreRequest(Request request) {
if (request instanceof ChangeBoundsRequest && (request.getType().equals(org.eclipse.gef.RequestConstants.REQ_ADD) || request.getType().equals(RequestConstants.REQ_DROP))) {
List parts = ((ChangeBoundsRequest) request).getEditParts();
if (parts != null) {
for (Object obj : parts) {
if (obj instanceof CommentEditPart || obj instanceof ConstraintEditPart || obj instanceof TimeObservationEditPart) {
return true;
}
}
}
}
return false;
}
@Override
public void showTargetFeedback(Request request) {
if (ignoreRequest(request)) {
return;
}
super.showTargetFeedback(request);
}
@Override
public Command getCommand(Request request) {
if (ignoreRequest(request)) {
return null;
}
return super.getCommand(request);
}
}
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