/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.tools.edit;
import java.util.List;
import org.locationtech.udig.project.ILayer;
import org.locationtech.udig.project.ProjectBlackboardConstants;
import org.locationtech.udig.project.ui.tool.AbstractActionTool;
import org.locationtech.udig.project.ui.tool.IToolContext;
/**
* Action that clears the selection of the map.
*
* @author Jesse
* @since 1.0.0
*/
public class ClearSelection extends AbstractActionTool {
private EditToolHandler handler = null;
public ClearSelection() {
}
public ClearSelection( EditToolHandler handler ) {
assert handler != null : "handler can't be null.";
this.handler = handler;
}
public void run() {
IToolContext context = null;
// if the constructor #ClearSelection(EditToolHandler) isn't called, get the context using
// getContext, else get the handler context.
context = (handler == null) ? getContext() : handler.getContext();
assert context != null;
List<ILayer> layers = context.getMap().getMapLayers();
for( ILayer layer : layers ) {
EditBlackboardUtil.getEditBlackboard(context, layer).clear();
layer.getBlackboard().put(ProjectBlackboardConstants.LAYER__RENDERING_FILTER, null);
}
context.getMap().getBlackboard().put(EditToolHandler.CURRENT_SHAPE, null);
context.getMap().getBlackboard().put(EditToolHandler.EDITSTATE, EditState.NONE);
context.getMap().getBlackboard().put(ProjectBlackboardConstants.MAP__RENDERING_FILTER,
null);
context.sendASyncCommand(context.getEditFactory().createNullEditFeatureCommand());
context.sendASyncCommand(context.getSelectionFactory().createNoSelectCommand());
// this code should not be necessary as it should be caught by the events
// IRenderManager manager = getContext().getMap().getRenderManager();
// if(manager!=null){
// manager.refresh(null);
// }
}
public void dispose() {
}
}