/***************************************************************************
* Copyright (C) 2009 by Tomasz Stelmach *
* http://www.stelmach-online.net/ *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 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 General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
package org.openstreetmap.josm.plugins.piclayer.actions.newlayer;
import static org.openstreetmap.josm.tools.I18n.tr;
import java.awt.event.ActionEvent;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.imageio.ImageIO;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import javax.swing.filechooser.FileFilter;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.actions.JosmAction;
import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
import org.openstreetmap.josm.gui.layer.Layer;
import org.openstreetmap.josm.plugins.piclayer.layer.PicLayerAbstract;
import org.openstreetmap.josm.plugins.piclayer.layer.PicLayerFromFile;
import org.openstreetmap.josm.plugins.piclayer.layer.PicLayerFromKML;
import org.openstreetmap.josm.plugins.piclayer.layer.kml.KMLGroundOverlay;
import org.openstreetmap.josm.plugins.piclayer.layer.kml.KMLReader;
/**
* Action responsible for creation of new layers based on image files.
*/
@SuppressWarnings("serial")
public class NewLayerFromFileAction extends JosmAction {
String m_lastdirprefname = "piclayer.lastdir";
/**
* Provides filtering of only image files.
*/
private class ImageFileFilter extends FileFilter {
private String[] supportedExtensions;
ImageFileFilter() {
List<String> extensions = new ArrayList<>();
extensions.add("zip");
extensions.add("kml");
for (String ext : ImageIO.getReaderFormatNames()) {
extensions.add(ext);
}
supportedExtensions = extensions.toArray(new String[0]);
}
@Override
public boolean accept(File f) {
if (f.isDirectory())
return true;
String fileExtension = PicLayerFromFile.getFileExtension(f);
// Unfortunately, getReaderFormatNames does not always return ALL extensions in
// both lower and upper case, so we can not do a search in the array
for (String e: supportedExtensions) {
if (e.equalsIgnoreCase(fileExtension)) {
return true;
}
}
return false;
}
@Override
public String getDescription() {
return tr("Supported image files, *.zip, *.kml");
}
}
/**
* Constructor...
*/
public NewLayerFromFileAction() {
super(tr("New picture layer from file..."), "layericon24", null, null, false);
}
/**
* Action handler
*/
@Override
public void actionPerformed(ActionEvent arg0) {
// Choose a file
JFileChooser fc = new JFileChooser(Main.pref.get(m_lastdirprefname));
fc.setAcceptAllFileFilterUsed(true);
fc.setFileFilter(new ImageFileFilter());
fc.setMultiSelectionEnabled(true);
int result = fc.showOpenDialog(Main.parent);
// Create a layer?
if (result == JFileChooser.APPROVE_OPTION) {
// The first loaded layer will be placed at the top of any other layer of the same class,
// or at the bottom of the stack if there is no such layer yet
// The next layers we load will be placed one after the other after this first layer
int newLayerPos = Main.getLayerManager().getLayers().size();
for (Layer l : Main.getLayerManager().getLayersOfType(PicLayerAbstract.class)) {
int pos = Main.getLayerManager().getLayers().indexOf(l);
if (pos < newLayerPos) newLayerPos = pos;
}
for (File file : fc.getSelectedFiles()) {
// TODO: we need a progress bar here, it can take quite some time
Main.pref.put(m_lastdirprefname, file.getParent());
// Create layer from file
if ("kml".equalsIgnoreCase(PicLayerFromFile.getFileExtension(file))) {
KMLReader kml = new KMLReader(file);
kml.process();
JOptionPane.showMessageDialog(null, tr("KML calibration is in beta stage and may produce incorrectly calibrated layers!\n"+
"Please use {0} to upload your KMLs that were calibrated incorrectly.",
"https://josm.openstreetmap.de/ticket/5451"), tr("Notification"), JOptionPane.INFORMATION_MESSAGE);
for (KMLGroundOverlay overlay : kml.getGroundOverlays()) {
//TODO: zoom to whole picture, not only the last
addNewLayerFromKML(file, overlay, newLayerPos);
}
} else {
addNewLayerFromFile(file, newLayerPos, fc.getSelectedFiles().length == 1);
}
}
}
}
private void addNewLayerFromFile(File file, int newLayerPos, boolean isZoomToLayer) {
try {
PicLayerFromFile layer = new PicLayerFromFile(file);
layer.initialize();
placeLayer(layer, newLayerPos, isZoomToLayer);
} catch (IOException e) {
// Failed
System.out.println("NewLayerFromFileAction::actionPerformed - " + e.getMessage());
JOptionPane.showMessageDialog(null, e.getMessage(), tr("Problem occurred"), JOptionPane.WARNING_MESSAGE);
}
}
private void placeLayer(PicLayerAbstract layer, int newLayerPos, boolean isZoomToLayer) throws IOException {
// Add layer only if successfully initialized
Main.getLayerManager().addLayer(layer);
Main.map.mapView.moveLayer(layer, newLayerPos++);
if (isZoomToLayer && Main.pref.getInteger("piclayer.zoom-on-load", 1) != 0) {
// if we are loading a single picture file, zoom on it, so that the user can see something
BoundingXYVisitor v = new BoundingXYVisitor();
layer.visitBoundingBox(v);
Main.map.mapView.zoomTo(v);
}
}
private void addNewLayerFromKML(File root, KMLGroundOverlay overlay, int newLayerPos) {
try {
PicLayerFromKML layer = new PicLayerFromKML(root, overlay);
layer.initialize();
placeLayer(layer, newLayerPos, true);
} catch (IOException e) {
// Failed
System.out.println("NewLayerFromFileAction::actionPerformed - " + e.getMessage());
JOptionPane.showMessageDialog(null, e.getMessage(), tr("Problem occurred"), JOptionPane.WARNING_MESSAGE);
}
}
}