org.bbaw.pdr.ae.view.main.commands.DeleteReferenceHandler.java Source code

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Here is the source code for org.bbaw.pdr.ae.view.main.commands.DeleteReferenceHandler.java

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/**
 * This file is part of Archiv-Editor.
 * 
 * The software Archiv-Editor serves as a client user interface for working with
 * the Person Data Repository. See: pdr.bbaw.de
 * 
 * The software Archiv-Editor was developed at the Berlin-Brandenburg Academy
 * of Sciences and Humanities, Jgerstr. 22/23, D-10117 Berlin.
 * www.bbaw.de
 * 
 * Copyright (C) 2010-2013  Berlin-Brandenburg Academy
 * of Sciences and Humanities
 * 
 * The software Archiv-Editor was developed by @author: Christoph Plutte.
 * 
 * Archiv-Editor is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Archiv-Editor is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with Archiv-Editor.  
 * If not, see <http://www.gnu.org/licenses/lgpl-3.0.html>.
 */
package org.bbaw.pdr.ae.view.main.commands;

import org.bbaw.pdr.ae.common.NLMessages;
import org.bbaw.pdr.ae.control.core.UserRichtsChecker;
import org.bbaw.pdr.ae.control.facade.Facade;
import org.bbaw.pdr.ae.control.interfaces.IDBManager;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.ui.PlatformUI;

/**
 * @author cplutte .
 */
public class DeleteReferenceHandler extends AbstractHandler implements IHandler {

    /** _facade singleton instance. */
    private Facade _facade = Facade.getInstanz();

    /**
     * execute method.
     * @param event to be executed.
     * @throws ExecutionException ee.
     * @return null.
     */

    @Override
    public final Object execute(final ExecutionEvent event) throws ExecutionException {

        if (_facade.getCurrentReference() != null) {
            if (new UserRichtsChecker().mayDelete(_facade.getCurrentReference())) {

                String message = NLMessages.getString("DeleteReferenceHandler_warning0");
                message += NLMessages.getString("DeleteReferenceHandler_warning1");
                message += NLMessages.getString("DeleteReferenceHandler_warning2")
                        + _facade.getCurrentReference().getDisplayNameLong();
                message += NLMessages.getString("DeleteReferenceHandler_ln_id")
                        + _facade.getCurrentReference().getPdrId().toString();
                MessageDialog messageDialog = new MessageDialog(
                        PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                        NLMessages.getString("DeleteReferenceHandler_title"), null, message, MessageDialog.WARNING,
                        new String[] { NLMessages.getString("Handler_delete"),
                                NLMessages.getString("Handler_cancel") },
                        1);
                if (messageDialog.open() == 0) {
                    IDBManager dbm = _facade.getDBManager();
                    try {
                        dbm.delete(_facade.getCurrentReference().getPdrId(), "reference");
                    } catch (Exception e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    } //$NON-NLS-1$ //$NON-NLS-2$
                    _facade.deleteReference(_facade.getCurrentReference());
                }
            } else {
                MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                        NLMessages.getString("Commands_no_rights_delete"),
                        NLMessages.getString("Command_no_rights_delete_reference_message")); //$NON-NLS-1$
            }
        }

        return null;
    }

}