// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.io.session;
import java.awt.Component;
import java.awt.GridBagLayout;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.Writer;
import java.nio.charset.StandardCharsets;
import java.util.Collection;
import java.util.Collections;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.gpx.GpxData;
import org.openstreetmap.josm.gui.layer.Layer;
import org.openstreetmap.josm.gui.layer.markerlayer.Marker;
import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
import org.openstreetmap.josm.io.GpxWriter;
import org.openstreetmap.josm.io.session.SessionWriter.ExportSupport;
import org.openstreetmap.josm.tools.GBC;
import org.w3c.dom.Element;
/**
* Session exporter for {@link MarkerLayer}.
* @since 5684
*/
public class MarkerSessionExporter extends AbstractSessionExporter<MarkerLayer> {
/**
* Constructs a new {@code MarkerSessionExporter}.
* @param layer marker layer to export
*/
public MarkerSessionExporter(MarkerLayer layer) { // NO_UCD (unused code)
super(layer);
}
@Override
public Collection<Layer> getDependencies() {
Layer gpxLayer = layer.fromLayer;
if (gpxLayer != null && Main.getLayerManager().containsLayer(gpxLayer))
return Collections.singleton(gpxLayer);
return Collections.emptySet();
}
@Override
public Component getExportPanel() {
final JPanel p = new JPanel(new GridBagLayout());
export.setSelected(true);
final JLabel lbl = new JLabel(layer.getName(), layer.getIcon(), SwingConstants.LEFT);
lbl.setToolTipText(layer.getToolTipText());
lbl.setLabelFor(export);
p.add(export, GBC.std());
p.add(lbl, GBC.std());
p.add(GBC.glue(1, 0), GBC.std().fill(GBC.HORIZONTAL));
return p;
}
@Override
public boolean requiresZip() {
return true;
}
@Override
public Element export(ExportSupport support) throws IOException {
Element layerEl = support.createElement("layer");
layerEl.setAttribute("type", "markers");
layerEl.setAttribute("version", "0.1");
Element file = support.createElement("file");
layerEl.appendChild(file);
String zipPath = "layers/" + String.format("%02d", support.getLayerIndex()) + "/data.gpx";
file.appendChild(support.createTextNode(zipPath));
addDataFile(support.getOutputStreamZip(zipPath));
return layerEl;
}
@SuppressWarnings("resource")
protected void addDataFile(OutputStream out) {
Writer writer = new OutputStreamWriter(out, StandardCharsets.UTF_8);
MarkerWriter w = new MarkerWriter(new PrintWriter(writer));
w.write(layer);
w.flush();
}
/**
* Writes GPX file from marker data.
*/
public static class MarkerWriter extends GpxWriter {
/**
* Constructs a new {@code MarkerWriter}.
* @param out The output writer
*/
public MarkerWriter(PrintWriter out) {
super(out);
}
/**
* Writes the given markers data.
* @param layer The layer data to write
*/
public void write(MarkerLayer layer) {
GpxData data = new GpxData();
data.put(GpxData.META_DESC, "exported JOSM marker layer");
for (Marker m : layer.data) {
data.waypoints.add(m.convertToWayPoint());
}
super.write(data);
}
}
}