/*
* JGrass - Free Open Source Java GIS http://www.jgrass.org
* (C) HydroloGIS - www.hydrologis.com
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.geotools.swt.action;
import java.io.File;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.geotools.coverage.grid.io.AbstractGridCoverage2DReader;
import org.geotools.gce.image.WorldImageFormat;
import org.geotools.map.MapContext;
import org.geotools.map.MapLayer;
import org.geotools.styling.RasterSymbolizer;
import org.geotools.styling.SLD;
import org.geotools.styling.Style;
import org.geotools.styling.StyleFactoryImpl;
import org.geotools.swt.control.JFileImageChooser;
import org.geotools.swt.utils.ImageCache;
/**
* Action to open image files.
*
* @author Andrea Antonello (www.hydrologis.com)
*
*
* @source $URL: http://svn.osgeo.org/geotools/trunk/modules/unsupported/swt/src/main/java/org/geotools/swt/action/OpenWorldimageAction.java $
*/
public class OpenWorldimageAction extends MapAction implements ISelectionChangedListener {
public OpenWorldimageAction() {
super("Open World Image", "Load a world image file into the viewer.", ImageCache.getInstance().getImage(ImageCache.OPEN));
}
public void run() {
Display display = Display.getCurrent();
Shell shell = new Shell(display);
File openFile = JFileImageChooser.showOpenFile(shell);
if (openFile != null && openFile.exists()) {
WorldImageFormat format = new WorldImageFormat();
AbstractGridCoverage2DReader tiffReader = format.getReader(openFile);
StyleFactoryImpl sf = new StyleFactoryImpl();
RasterSymbolizer symbolizer = sf.getDefaultRasterSymbolizer();
Style defaultStyle = SLD.wrapSymbolizers(symbolizer);
MapContext mapContext = mapPane.getMapContext();
MapLayer layer = new MapLayer(tiffReader, defaultStyle);
layer.setTitle(openFile.getName());
mapContext.addLayer(layer);
mapPane.redraw();
}
}
public void selectionChanged( SelectionChangedEvent arg0 ) {
}
}