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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 (Atos) arthur.daussy@atos.net - Initial API and implementation
* Gabriel Pascual (ALL4TEC) gabriel.pascual@all4tec.net - Bug 436952
*
*****************************************************************************/
package org.eclipse.papyrus.infra.services.controlmode.handler;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.papyrus.commands.wrappers.GMFtoEMFCommandWrapper;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.infra.services.controlmode.ControlModeManager;
import org.eclipse.papyrus.infra.services.controlmode.ControlModeRequest;
import org.eclipse.papyrus.infra.services.controlmode.IControlModeManager;
import org.eclipse.papyrus.infra.services.controlmode.messages.Messages;
import org.eclipse.papyrus.infra.ui.util.ServiceUtilsForSelection;
import org.eclipse.papyrus.infra.widgets.toolbox.notification.builders.NotificationBuilder;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* Handler use to uncontrol an element
*
* @author adaussy
*
*/
public class UncontrolCommandHandler extends AbstractHandler {
/** The Constant NO_EDITING_DOMAIN_MESSAGE. */
private static final String NO_EDITING_DOMAIN_MESSAGE = Messages.getString("UncontrolCommandHandler.domain.error"); //$NON-NLS-1$
/** The Constant EMPTY_SELECTION_MESSAGE. */
private static final String EMPTY_SELECTION_MESSAGE = Messages.getString("UncontrolCommandHandler.selection.empty.message"); //$NON-NLS-1$
/**
* @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*
* @param event
* @return
* @throws ExecutionException
*/
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getCurrentSelection(event);
if (selection instanceof IStructuredSelection) {
if (selection == null || selection.isEmpty() || ((IStructuredSelection) selection).size() > 1) {
NotificationBuilder.createInfoPopup(EMPTY_SELECTION_MESSAGE).run();
return null;
}
try {
TransactionalEditingDomain editingDomain = ServiceUtilsForSelection.getInstance().getTransactionalEditingDomain(selection);
EObject eObjectToControl = EMFHelper.getEObject(((IStructuredSelection) selection).getFirstElement());
ControlModeRequest controlRequest = ControlModeRequest.createUIUncontrolModelRequest(editingDomain, eObjectToControl);
IControlModeManager controlMng = ControlModeManager.getInstance();
ICommand controlCommand = controlMng.getUncontrolCommand(controlRequest);
editingDomain.getCommandStack().execute(new GMFtoEMFCommandWrapper(controlCommand));
} catch (ServiceException e) {
NotificationBuilder.createInfoPopup(NO_EDITING_DOMAIN_MESSAGE).run();
}
} else {
NotificationBuilder.createInfoPopup(EMPTY_SELECTION_MESSAGE).run();
}
return null;
}
}
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