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/*****************************************************************************
* Copyright (c) 2013 CEA
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Soyatec - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.sequence.command;
import java.util.Collections;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPartViewer;
import org.eclipse.gef.Request;
import org.eclipse.gef.commands.Command;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.diagram.core.preferences.PreferencesHint;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequestFactory;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.papyrus.uml.diagram.sequence.edit.policies.AnnotatedLinkEndEditPolicy;
import org.eclipse.papyrus.uml.diagram.sequence.edit.policies.AnnotatedLinkStartEditPolicy;
import org.eclipse.papyrus.uml.diagram.sequence.providers.UMLElementTypes;
import org.eclipse.papyrus.uml.diagram.sequence.util.SequenceUtil;
/**
* @author Jin Liu (jin.liu@soyatec.com)
*/
public class RestoreDurationConstraintLinkCommand extends AbstractTransactionalCommand {
private IAdaptable dcViewAdapter;
private EditPartViewer viewer;
private Boolean isOnTop;
private Point targetLocation;
private PreferencesHint diagramPreferenceHint;
/**
* Constructor.
*
* @param domain
* @param label
* @param affectedFiles
*/
public RestoreDurationConstraintLinkCommand(TransactionalEditingDomain domain, IAdaptable dcViewAdapter, EditPartViewer viewer, Boolean isOnTop, Point targetLocation, PreferencesHint diagramPreferenceHint) {
super(domain, "Resotore Annotated Link", null);
this.dcViewAdapter = dcViewAdapter;
this.viewer = viewer;
this.isOnTop = isOnTop;
this.targetLocation = targetLocation;
this.diagramPreferenceHint = diagramPreferenceHint;
}
/**
* @see org.eclipse.core.commands.operations.AbstractOperation#canExecute()
*
* @return
*/
@Override
public boolean canExecute() {
if (dcViewAdapter == null || viewer == null || targetLocation == null) {
return false;
}
return super.canExecute();
}
/**
* @see org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand#doExecuteWithResult(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
*
* @param monitor
* @param info
* @return
* @throws ExecutionException
*/
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
if (!canExecute()) {
return CommandResult.newCancelledCommandResult();
}
View view = dcViewAdapter.getAdapter(View.class);
if (view == null) {
return CommandResult.newErrorCommandResult("No view found");
}
EditPart sourceEditPart = (EditPart) viewer.getEditPartRegistry().get(view);
if (sourceEditPart == null) {
return CommandResult.newCancelledCommandResult();
}
Rectangle bounds = SequenceUtil.getAbsoluteBounds((IGraphicalEditPart) sourceEditPart);
Point sourceLocation = null;
if (isOnTop != null) {
sourceLocation = isOnTop.booleanValue() ? bounds.getTop() : bounds.getBottom();
} else if (targetLocation.y >= bounds.getCenter().y) {
sourceLocation = bounds.getBottom();
} else {
sourceLocation = bounds.getTop();
}
EditPart targetEditPart = null;
CreateConnectionViewRequest request = CreateViewRequestFactory.getCreateConnectionRequest(UMLElementTypes.Comment_AnnotatedElementEdge, diagramPreferenceHint);
request.setLocation(sourceLocation);
request.setType(AnnotatedLinkStartEditPolicy.REQ_ANNOTATED_LINK_START);
request.setSourceEditPart(sourceEditPart);
request.setTargetEditPart(sourceEditPart);
Command command = sourceEditPart.getCommand(request);
// connect...
request.setLocation(targetLocation);
request.setType(AnnotatedLinkEndEditPolicy.REQ_ANNOTATED_LINK_END);
targetEditPart = sourceEditPart.getViewer().findObjectAtExcluding(targetLocation, Collections.emptySet(), getTargetingConditional(request));
request.setTargetEditPart(targetEditPart);
command = targetEditPart.getCommand(request);
if (command != null && command.canExecute()) {
command.execute();
}
return CommandResult.newOKCommandResult();
}
protected EditPartViewer.Conditional getTargetingConditional(final Request req) {
return new EditPartViewer.Conditional() {
@Override
public boolean evaluate(EditPart editpart) {
return editpart.getTargetEditPart(req) != null;
}
};
}
}
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