es.cv.gvcase.ide.navigator.actions.DeleteDiagramOrEObjectAction.java Source code

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Here is the source code for es.cv.gvcase.ide.navigator.actions.DeleteDiagramOrEObjectAction.java

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/*******************************************************************************
 * Copyright (c) 2008 Conselleria de Infraestructuras y Transporte, Generalitat 
 * de la Comunitat Valenciana . 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: Francisco Javier Cano Muoz (Prodevelop) - initial API implementation
 * [03/04/08] Francisco Javier Cano Muoz (Prodevelop) - adaptation to Common Navigator Framework
 *
 ******************************************************************************/
package es.cv.gvcase.ide.navigator.actions;

import java.util.Collections;

import org.eclipse.emf.common.command.CompoundCommand;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.command.DeleteCommand;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.gmf.runtime.emf.core.resources.GMFResource;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.actions.SelectionListenerAction;

import es.cv.gvcase.mdt.common.commands.DeleteDiagramCommand;

/**
 * A standar DeleteAction that allows deleting {@link Diagram} elements from a
 * {@link GMFResource}.
 * 
 * @author <a href="maulto:fjcano@prodevelop.es">Francisco Javier Cano Muoz</a>
 */
public class DeleteDiagramOrEObjectAction extends SelectionListenerAction {

    /**
     * Instantiates a new delete diagram or e object action.
     * 
     * @param removeAllReferences
     *            the remove all references
     */
    public DeleteDiagramOrEObjectAction(boolean removeAllReferences) {
        super("Delete");
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.jface.action.Action#run()
     */
    @Override
    public void run() {
        super.run();
        // //
        IStructuredSelection ss = getStructuredSelection();
        CompoundCommand cc = new CompoundCommand("Delete elements");
        TransactionalEditingDomain domain = null;
        for (Object selected : ss.toList()) {
            if (selected instanceof EObject) {
                domain = domain != null ? domain : TransactionUtil.getEditingDomain((EObject) selected);
                if (selected instanceof Diagram) {
                    Diagram diagram = (Diagram) selected;
                    cc.append(new DeleteDiagramCommand(diagram));
                } else {
                    cc.append(new DeleteCommand(domain, Collections.singleton(selected)));
                }
            }
        }
        if (cc.canExecute() && domain != null) {
            domain.getCommandStack().execute(cc);
        }
    }

}