/*
* Copyright (c) 2008 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.model.commands;
import org.csstudio.sds.SdsPlugin;
import org.csstudio.sds.eventhandling.EventType;
import org.csstudio.sds.model.AbstractWidgetModel;
import org.csstudio.sds.model.WidgetProperty;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
/**
* A Command to set a property value of a widget.
* @author Kai Meyer
*
*/
public class SetPropertyCommand extends Command {
private CompoundCommand chain;
private AbstractWidgetModel widget;
private WidgetProperty property;
private Object value;
/**
* Constructor.
* @param widget
* The widget, which property value should be set
* @param propertyName
* The name of the property
* @param value
* The new value for the property
*/
public SetPropertyCommand(final AbstractWidgetModel widget, final String propertyName, final Object value) {
this.widget = widget;
this.property = widget.getPropertyInternal(propertyName);
this.value = value;
}
/**
* {@inheritDoc}
*/
@Override
public void execute() {
if(chain==null) {
// .. create a command chain
chain = new CompoundCommand();
// .. change the property value
chain.add(new ChangePropertyCommand(property, value));
// .. add contributed commands
SdsPlugin.getDefault().getWidgetPropertyPostProcessingService().applyForSingleProperty(widget, property, chain, EventType.ON_MANUAL_CHANGE);
}
chain.execute();
}
/**
* {@inheritDoc}
*/
@Override
public void undo() {
chain.undo();
}
}