at.rc.tacos.client.controller.DetachCarAction.java Source code

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Here is the source code for at.rc.tacos.client.controller.DetachCarAction.java

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/*******************************************************************************
 * Copyright (c) 2008, 2009 Internettechnik, FH JOANNEUM
 * http://www.fh-joanneum.at/itm
 * 
 *    Licenced under the GNU GENERAL PUBLIC LICENSE Version 2;
 *    You may obtain a copy of the License at
 *    http://www.gnu.org/licenses/gpl-2.0.txt
 * 
 * This program 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 General Public License for more details.
 *******************************************************************************/
package at.rc.tacos.client.controller;

import org.eclipse.core.runtime.Status;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.PlatformUI;

import at.rc.tacos.client.Activator;
import at.rc.tacos.client.modelManager.LockManager;
import at.rc.tacos.client.modelManager.SessionManager;
import at.rc.tacos.common.IProgramStatus;
import at.rc.tacos.core.net.NetWrapper;
import at.rc.tacos.model.Transport;

/**
 * Detaches the car from the transport
 * 
 * @author b.thek
 */
public class DetachCarAction extends Action implements IProgramStatus {

    // properties
    private TableViewer viewer;

    /**
     * Default class constructor.
     * 
     * @param viewer
     *            the table viewer
     */
    public DetachCarAction(TableViewer viewer) {
        this.viewer = viewer;
        setText("Abziehen des Fahrzeuges");
        setToolTipText("Zieht das Fahrzeug vom Transport ab");
    }

    @Override
    public void run() {
        // the selection
        ISelection selection = viewer.getSelection();
        // get the selected transport
        Transport transport = (Transport) ((IStructuredSelection) selection).getFirstElement();

        // check if the object is currently locked
        String resultLockMessage = LockManager.sendLock(Transport.ID, transport.getTransportId());

        // check the result of the lock
        if (resultLockMessage != null) {
            boolean forceEdit = MessageDialog.openQuestion(Display.getCurrent().getActiveShell(),
                    "Information: Eintrag wird bearbeitet",
                    "Der Transport,von dem Sie das Fahrzeug abziehen mchten wird bereits von " + resultLockMessage
                            + " bearbeitet.\n"
                            + "Ein gleichzeitiges Bearbeiten kann zu unerwarteten Fehlern fhren!\n\n"
                            + "Es wird dringend empfohlen, das Fahrzeug erst nach Freigabe durch "
                            + resultLockMessage + " abzuziehen!\n\n"
                            + "Mchten Sie das Fahrzeug trotzdem abziehen?");
            if (!forceEdit)
                return;
            // log the override of the lock
            String username = SessionManager.getInstance().getLoginInformation().getUsername();
            Activator.getDefault().log("Der Eintrag " + transport + " wird trotz Sperrung durch "
                    + resultLockMessage + " von " + username + " bearbeitet", Status.WARNING);
        }

        // confirm the cancel
        InputDialog dlg = new InputDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
                "Transport Stornierung", "Bitte geben Sie eine Begrndung fr das Abziehen des Fahrzeuges" + " "
                        + transport.getVehicleDetail().getVehicleName() + " ein",
                null, null);
        if (dlg.open() == Window.OK) {
            transport.getStatusMessages().clear();
            transport.clearVehicleDetail();
            transport.setNotes(transport.getNotes() + "Fahrzeugabzug: " + dlg.getValue() + "; ");
            transport.setProgramStatus(PROGRAM_STATUS_OUTSTANDING);
            NetWrapper.getDefault().sendUpdateMessage(Transport.ID, transport);
        }

        // remove the lock from the object
        LockManager.removeLock(Transport.ID, transport.getTransportId());
    }
}