/*
* 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.ui.internal.layers;
import org.csstudio.sds.internal.model.Layer;
import org.csstudio.sds.internal.model.LayerSupport;
import org.csstudio.sds.model.AbstractWidgetModel;
import org.csstudio.sds.model.commands.SetPropertyCommand;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.jface.action.IAction;
/**
* Action that removes a layer.
*
* @author swende
*
*/
public final class RemoveLayerAction extends AbstractLayerAction {
/**
* {@inheritDoc}
*/
@Override
protected void selectedLayerChanged(final Layer layer, final LayerSupport layerSupport, final IAction action) {
action.setEnabled(layer != null && !layer.getId().equals(LayerSupport.DEFAULT_NAME));
}
/**
* {@inheritDoc}
*/
@Override
protected Command createCommand(final Layer selectedLayer,
final LayerSupport layerSupport, final IAction action) {
CompoundCommand result = null;
if (layerSupport != null && selectedLayer != null) {
result = new CompoundCommand();
result.setLabel("Remove Layer '"+selectedLayer.getDescription()+"'");
for (AbstractWidgetModel model : layerSupport.getParent().getWidgets()) {
if (model.getLayer().equals(selectedLayer.getId())) {
result.add(new SetPropertyCommand(model, AbstractWidgetModel.PROP_LAYER, LayerSupport.DEFAULT_NAME));
}
}
result.add(new RemoveLayerCommand(layerSupport, selectedLayer));
}
return result ;
}
}