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/*****************************************************************************
* Copyright (c) 2010 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:
* Remi Schnekenburger (CEA LIST) remi.schnekenburger@cea.fr - Initial API and implementation
* Vincent Lorenzo (CEA-LIST) vincent.lorenzo@cea.fr
*****************************************************************************/
package org.eclipse.papyrus.properties.runtime.controller;
import static org.eclipse.papyrus.properties.runtime.Activator.log;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.operations.OperationHistoryFactory;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
import org.eclipse.papyrus.properties.runtime.modelhandler.emf.IEMFModelHandler;
import org.eclipse.papyrus.properties.runtime.modelhandler.emf.TransactionUtil;
/**
* Controller for property editors, that manages EMFT-based models. This means that a transaction will be opened each time the model has to be
* modified
*/
public abstract class EMFTPropertyEditorController extends EMFPropertyEditorController {
/** Transactional editing domain used to write into the model */
private TransactionalEditingDomain editingDomain;
/** model handler to interact with the model for this controller */
protected IEMFModelHandler modelHandler;
/**
* Constructor.
*/
public EMFTPropertyEditorController() {
super();
}
/**
*
* @see org.eclipse.papyrus.properties.runtime.controller.PropertyEditorController#updateModel()
*
*/
@Override
public void updateModel() {
CompositeCommand cc = new CompositeCommand("Set Value Command"); //$NON-NLS-1$
Object valueToSet = getEditorValue();
for(Object obj : this.objectToEdit) {
EObject elementToEdit = (EObject)obj;
//build the request
SetRequest[] req = null;
req = modelHandler.getSetRequest(getEditingDomain(), elementToEdit, valueToSet);
if(req == null) {
break;
}
org.eclipse.papyrus.service.edit.service.IElementEditService provider = org.eclipse.papyrus.service.edit.service.ElementEditServiceUtils.getCommandProvider(elementToEdit);
if(provider != null) {
ICommand editCommand = null;
for(SetRequest current : req) {
editCommand = provider.getEditCommand(current);
if(editCommand != null && editCommand.canExecute()) {
cc.add(editCommand);
}
}
}
if(cc.canExecute() && !(TransactionUtil.isReadTransactionInProgress(getEditingDomain(), true, true))) {
try {
OperationHistoryFactory.getOperationHistory().execute(cc, new NullProgressMonitor(), null);
} catch (ExecutionException e) {
log.error(e);
}
return;
}
}
/*
* req was null, or the command was unexecutable
* Currently, the handler for stereotype return always null!
*/
AbstractTransactionalCommand command = new EMFTControllerCommand();
if(command.canExecute() && !(TransactionUtil.isReadTransactionInProgress(editingDomain, true, true))) {
try {
OperationHistoryFactory.getOperationHistory().execute(command, new NullProgressMonitor(), null);
} catch (ExecutionException e) {
log.error(e);
}
}
}
/**
* Returns the editing domain that manages modifications to the model
*
* @return the editing domain that manages modifications to the model
*/
public TransactionalEditingDomain getEditingDomain() {
return editingDomain;
}
/**
* Sets the editingDomain for this controller
*
* @param editingDomain
* the editingDomain to set
*/
public void setEditingDomain(TransactionalEditingDomain editingDomain) {
this.editingDomain = editingDomain;
}
/**
* Command to modify the model, using the property editors
*/
protected class EMFTControllerCommand extends AbstractTransactionalCommand {
/**
* Creates the new EMFTControllerCommand.
*/
public EMFTControllerCommand() {
super(editingDomain, "Editing Property", getWorkspaceFiles(getObjectsToEdit())); //$NON-NLS-1$
}
/**
* @{inheritDoc
*/
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException {
setValueInModel(getEditorValue());
return CommandResult.newOKCommandResult(getObjectsToEdit());
}
}
}
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