//$HeadURL$
/*---------------- 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.Component;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
import java.util.List;
import javax.swing.JFrame;
import org.deegree.framework.log.ILogger;
import org.deegree.framework.log.LoggerFactory;
import org.deegree.framework.utils.MapTools;
import org.deegree.igeo.ApplicationContainer;
import org.deegree.igeo.commands.model.ZoomCommand;
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.igeo.views.swing.drawingpanes.RectangleDrawingPane;
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 ZoomInState extends MapState {
private static final ILogger LOG = LoggerFactory.getLogger( ZoomInState.class );
/**
* @param appContainer
* @param invokingAction
*/
public ZoomInState( ApplicationContainer<?> appContainer, String invokingAction ) {
super( appContainer, invokingAction );
}
@Override
public Command createCommand( IModule<?> module, MapModel mapModel, Layer layer, Point... points ) {
float zl = appContainer.getSettings().getZoomLevel() / 100f;
if ( zl > 0.45 ) {
// correct zoom level because a buffer can not be >= 50% of a box size
zl = -0.45f;
} else {
zl *= -1f;
}
ZoomCommand zc = new ZoomCommand( mapModel );
zc.setZoom( points[0].getX(), points[0].getY(), points[1].getX(), points[1].getY(), zl,
mapModel.getTargetDevice().getPixelWidth(), mapModel.getTargetDevice().getPixelHeight() );
return zc;
}
/**
*
* @param platform
* Swing, Applet, Portlet ...
* @param g
* target graphic context
* @return
*/
public DrawingPane createDrawingPane( String platform, Graphics g ) {
if ( "Application".equalsIgnoreCase( platform ) ) {
drawingPane = new RectangleDrawingPane();
} else if ( "Applet".equalsIgnoreCase( platform ) ) {
drawingPane = new RectangleDrawingPane();
} else {
LOG.logWarning( "view platfroms other than Application and Applet are not supported yet" );
}
drawingPane.setGraphicContext( g );
return drawingPane;
}
@Override
public void mouseDragged( MouseEvent event ) {
if ( drawingPane != null && drawingPane.isDrawing() ) {
DefaultMapModule<?> owner = appContainer.getActiveMapModule();
owner.update();
Component c = (Component) event.getSource();
java.awt.Point p = MapTools.adjustPointToPanelSize( event.getPoint(), c.getWidth(), c.getHeight() );
drawingPane.stopDrawing( p.x, p.y );
// force repainting of the container, otherwise the
// zoom rectangle is never visible, when view form is a frame
if ( owner.getViewForm() instanceof JFrame ) {
Container con = c.getParent();
con.repaint();
}
}
}
@Override
public void mouseReleased( MouseEvent event ) {
Component c = (Component) event.getSource();
java.awt.Point p = MapTools.adjustPointToPanelSize( event.getPoint(), c.getWidth(), c.getHeight() );
drawingPane.stopDrawing( p.x, p.y );
drawingPane.finishDrawing();
List<java.awt.Point> drawnPoints = drawingPane.getDrawnObject();
Point[] points = new Point[drawnPoints.size()];
for ( int i = 0; i < points.length; i++ ) {
points[i] = GeometryFactory.createPoint( drawnPoints.get( i ).x, drawnPoints.get( i ).y, null );
}
if ( points.length == 2 && points[0].equals( points[1] ) ) {
// ensure that box will created
points[0] = GeometryFactory.createPoint( event.getX() - 1, event.getY() - 1, null );
points[1] = GeometryFactory.createPoint( event.getX() + 1, event.getY() + 1, 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() );
}
}
}