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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
* 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
*****************************************************************************/
package org.eclipse.papyrus.infra.table.common.advice;
import java.util.Collection;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.EStructuralFeature.Setting;
import org.eclipse.emf.ecore.util.ECrossReferenceAdapter;
import org.eclipse.emf.facet.widgets.nattable.instance.tableinstance.TableinstancePackage;
import org.eclipse.emf.facet.widgets.nattable.instance.tableinstance2.TableInstance2;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.core.util.CrossReferenceAdapter;
import org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelperAdvice;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyDependentsRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.DestroyElementRequest;
import org.eclipse.papyrus.infra.services.edit.service.ElementEditServiceUtils;
import org.eclipse.papyrus.infra.services.edit.service.IElementEditService;
import org.eclipse.papyrus.infra.table.instance.papyrustableinstance.PapyrusTableInstance;
import org.eclipse.papyrus.infra.table.instance.papyrustableinstance.PapyrustableinstancePackage;
/**
* Destroy the referenced TableInstance2
*
*
* @author Vincent Lorenzo
*
*/
public class DeletePapyrusTableInstanceAdvice extends AbstractEditHelperAdvice {
/**
*
* @see org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelperAdvice#getBeforeDestroyDependentsCommand(org.eclipse.gmf.runtime.emf.type.core.requests.DestroyDependentsRequest)
*
* @param request
* @return
*/
@Override
protected ICommand getBeforeDestroyDependentsCommand(DestroyDependentsRequest request) {
final EObject objectToDestroy = request.getElementToDestroy();
if(objectToDestroy == null) {
return null;
}
//the destroyed element is a PapyrusTableInstace
if(objectToDestroy instanceof PapyrusTableInstance) {
final TableInstance2 instance = ((PapyrusTableInstance)objectToDestroy).getTable();
final DestroyElementRequest request2 = new DestroyElementRequest(instance, false);
final IElementEditService provider = ElementEditServiceUtils.getCommandProvider(instance);
return provider.getEditCommand(request2);
} else if(objectToDestroy instanceof EObject) {//the destroyed element could be a table container
final ECrossReferenceAdapter crossReferencerAdapter = CrossReferenceAdapter.getCrossReferenceAdapter(objectToDestroy);
final Collection<Setting> settings = crossReferencerAdapter.getNonNavigableInverseReferences(objectToDestroy);
//the destroyed context can references several table!
final CompositeCommand cmd = new CompositeCommand("Destroy Table Instance2 Command"); //$NON-NLS-1$
for(Setting currentSetting : settings) {
final EObject currentEObject = currentSetting.getEObject();
final EStructuralFeature currentfeature = currentSetting.getEStructuralFeature();
if(currentEObject instanceof TableInstance2 && currentfeature == TableinstancePackage.eINSTANCE.getTableInstance_Context()) {
final Collection<Setting> tableInstanceSettings = crossReferencerAdapter.getNonNavigableInverseReferences(currentEObject);
for(Setting setting : tableInstanceSettings) {
final EObject eobject = setting.getEObject();
final EStructuralFeature currentFeature = setting.getEStructuralFeature();
if(eobject instanceof PapyrusTableInstance && currentFeature == PapyrustableinstancePackage.eINSTANCE.getPapyrusTableInstance_Table()) {//the destroyed element is a table container
final DestroyElementRequest request2 = new DestroyElementRequest(eobject, false);
final IElementEditService provider = ElementEditServiceUtils.getCommandProvider(eobject);
final ICommand tmp = provider.getEditCommand(request2);
cmd.add(tmp);
}
}
}
}
if(!cmd.isEmpty()) {
return cmd;
}
}
return null;
}
}
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