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/*******************************************************************************
* Copyright (c) 2013 Atos.
* 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:
* Arthur Daussy <a href="mailto:arthur.daussy@atos.net"> - initial API and implementation
******************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.controlmode;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.infra.gmfdiag.common.model.NotationModel;
import org.eclipse.papyrus.infra.gmfdiag.common.model.NotationUtils;
import org.eclipse.papyrus.infra.services.controlmode.ControlModeRequest;
import org.eclipse.papyrus.infra.services.controlmode.ControlModeRequestParameters;
import org.eclipse.papyrus.infra.services.controlmode.commands.AbstractControlCommand;
/**
* Command handling control/uncontrol of diagram in new resource
*
* @author adaussy
*
*/
public class ControlDiagramsCommand extends AbstractControlCommand {
/**
* @param request
*/
@SuppressWarnings("unchecked")
public ControlDiagramsCommand(ControlModeRequest request) {
super("Move diagram to new resource", null, request);
try {
getAffectedFiles().addAll(getWorkspaceFiles(getDiagrams()));
} catch (ExecutionException e) {
e.printStackTrace();
}
}
/**
* Reference the diagram about to be moved into the request in order to be used by other particpants
* @param diags
*/
@SuppressWarnings("unchecked")
protected void addMovedDiagramToRequest(List<Diagram> diags) {
Collection<EObject> openables = (Collection<EObject>)getRequest().getParameter(ControlModeRequestParameters.MOVED_OPENABLES);
if(openables == null) {
openables = new ArrayList<EObject>();
}
openables.addAll(diags);
getRequest().addParameters(Collections.singletonMap(ControlModeRequestParameters.MOVED_OPENABLES, openables));
}
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
EObject objectTOControl = getRequest().getTargetObject();
EMFHelper.getUsages(objectTOControl);
//Retrieve new notation resource created previously
Resource newNotationResource = getRequest().getTargetResource(NotationModel.NOTATION_FILE_EXTENSION);
if(newNotationResource == null) {
return CommandResult.newErrorCommandResult("The notation model has not been created");
}
List<Diagram> diagrams = getDiagrams();
if(!diagrams.isEmpty()) {
newNotationResource.getContents().addAll(diagrams);
addMovedDiagramToRequest(diagrams);
}
return CommandResult.newOKCommandResult(newNotationResource);
}
/**
* Get the list of all the diagrams to move
* @return
* @throws ExecutionException
*/
protected List<Diagram> getDiagrams() throws ExecutionException {
Resource notationResource = null;
try {
notationResource = getRequest().getModelSet().getResource(getOldNotationURI(), true);
} catch (Exception e) {
notationResource = null;
}
if(notationResource == null) {
throw new ExecutionException("unable to retrieve old notation resource");
}
return NotationUtils.getAllDescendantDiagramsInResource(getRequest().getTargetObject(), notationResource);
}
/**
* Get the old notation URI for request
* @return
* @throws ExecutionException
*/
protected URI getOldNotationURI() throws ExecutionException {
URI uri = getRequest().getSourceURI();
if(uri != null) {
return uri.trimFileExtension().appendFileExtension(NotationModel.NOTATION_FILE_EXTENSION);
}
throw new ExecutionException("Unable to retreive URI of the old notation model");
}
}
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