/*
 * Copyright (c) 2010 Stiftung Deutsches Elektronen-Synchrotron, Member of the Helmholtz
 * Association, (DESY), HAMBURG, GERMANY. THIS SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN
 * "../AS IS" BASIS. WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
 * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO
 * EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
 * THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. SHOULD THE SOFTWARE PROVE DEFECTIVE IN
 * ANY RESPECT, THE USER ASSUMES THE COST OF ANY NECESSARY SERVICING, REPAIR OR CORRECTION. THIS
 * DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. NO USE OF ANY SOFTWARE IS
 * AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER. DESY HAS NO OBLIGATION TO PROVIDE MAINTENANCE,
 * SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. THE FULL LICENSE SPECIFYING FOR THE SOFTWARE
 * THE REDISTRIBUTION, MODIFICATION, USAGE AND OTHER RIGHTS AND OBLIGATIONS IS INCLUDED WITH THE
 * DISTRIBUTION OF THIS PROJECT IN THE FILE LICENSE.HTML. IF THE LICENSE IS NOT INCLUDED YOU MAY
 * FIND A COPY AT HTTP://WWW.DESY.DE/LEGAL/LICENSE.HTM
 */
package org.csstudio.sds.components.model.eventing;

import org.csstudio.sds.components.model.StripChartModel;
import org.csstudio.sds.eventhandling.AbstractEnsureInvariantsCommand;
import org.csstudio.sds.eventhandling.AbstractWidgetPropertyPostProcessor;
import org.eclipse.gef.commands.Command;

/**
 * TODO (hrickens) :
 *
 * @author hrickens
 * @author $Author: hrickens $
 * @version $Revision: 1.1 $
 * @since 10.05.2010
 */
public class StripChartPlotPostProcessor extends
        AbstractWidgetPropertyPostProcessor<StripChartModel> {

    /**
     * {@inheritDoc}
     */
    @Override
    protected Command doCreateCommand(final StripChartModel widget) {
        assert widget != null : "widget != null";
        String number = getWorkingPropertyId().replaceFirst("enable_plot", "");
        int tempId;
        try {
            tempId = Integer.parseInt(number) - 1;
        } catch (NumberFormatException e) {
            tempId = -1;
        }
        final int id = tempId;

        return new AbstractEnsureInvariantsCommand<StripChartModel>(widget, getWorkingPropertyId()) {
            @Override
            protected boolean shouldHideProperties(final StripChartModel scWidget,
                                                   final String propertyId) {
                try {
                    if (id < 0) {
                        return false;
                    }
                    boolean b = !scWidget.getBooleanProperty(propertyId);
                    return b;
                } catch (Exception e) {
                    System.out.println("comnand ex");
                }
                return false;
            }

            @Override
            protected String[] getPropertyIds() {
                try {
                    String[] propertyIds = new String[] { StripChartModel.valuePropertyId(id),
                            StripChartModel.plotColorPropertyId(id) };
                    return propertyIds;
                } catch (Exception e) {
                    // No Properties was hidden.
                }
                return new String[0];
            }
        };
    }

}