//$HeadURL$
/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2008 by:
Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.igeo.state.mapstate;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
import org.deegree.igeo.ApplicationContainer;
import org.deegree.igeo.commands.model.ZoomCommand;
import org.deegree.igeo.config.TargetDeviceType;
import org.deegree.igeo.mapmodel.Layer;
import org.deegree.igeo.mapmodel.MapModel;
import org.deegree.igeo.mapmodel.MapModelException;
import org.deegree.igeo.modules.DefaultMapModule;
import org.deegree.igeo.modules.IModule;
import org.deegree.igeo.views.DrawingPane;
import org.deegree.kernel.Command;
import org.deegree.model.spatialschema.GeometryFactory;
import org.deegree.model.spatialschema.Point;
/**
*
*
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
* @author last edited by: $Author$
*
* @version. $Revision$, $Date$
*/
public class CenterState extends MapState {
/**
* @param appContainer
* @param invokingAction
*/
public CenterState( ApplicationContainer<?> appContainer, String invokingAction ) {
super( appContainer, invokingAction );
}
@Override
public Command createCommand( IModule<?> module, MapModel mapModel, Layer layer, Point... points ) {
ZoomCommand zoom = new ZoomCommand( mapModel );
TargetDeviceType td = mapModel.getTargetDevice();
double x = mapModel.getToTargetDeviceTransformation().getSourceX( points[0].getX() );
double y = mapModel.getToTargetDeviceTransformation().getSourceY( points[0].getY() );
double minx = x - ( mapModel.getEnvelope().getWidth() / 2 );
double maxx = x + ( mapModel.getEnvelope().getWidth() / 2 );
double miny = y - ( mapModel.getEnvelope().getHeight() / 2 );
double maxy = y + ( mapModel.getEnvelope().getHeight() / 2 );
// zoom.setZoom( minx, miny, maxx, maxy, 1f, td.getPixelWidth(), td.getPixelHeight() );
zoom.setZoomBox( GeometryFactory.createEnvelope( minx, miny, maxx, maxy, mapModel.getCoordinateSystem() ),
td.getPixelWidth(), td.getPixelHeight() );
return zoom;
}
/*
* (non-Javadoc)
*
* @see org.deegree.client.presenter.state.mapstate.ToolState#createDrawingPane(java.lang.String, java.awt.Graphics)
*/
@Override
public DrawingPane createDrawingPane( String platform, Graphics g ) {
return null;
}
@Override
public void mouseReleased( MouseEvent event ) {
Point[] points = new Point[1];
points[0] = GeometryFactory.createPoint( event.getX(), event.getY(), null );
DefaultMapModule<?> owner = appContainer.getActiveMapModule();
Command command = createCommand( owner, appContainer.getMapModel( null ), null, points );
try {
appContainer.getCommandProcessor().executeSychronously( command, true );
} catch ( Exception e ) {
throw new MapModelException( e.getMessage() );
}
}
}