001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.io.session;
003
004import static org.openstreetmap.josm.tools.I18n.tr;
005
006import java.awt.CardLayout;
007import java.awt.Component;
008import java.awt.Font;
009import java.awt.GridBagLayout;
010import java.awt.event.ActionEvent;
011import java.awt.event.ActionListener;
012import java.awt.event.ItemEvent;
013import java.awt.event.ItemListener;
014import java.io.File;
015import java.io.IOException;
016import java.io.OutputStream;
017import java.io.OutputStreamWriter;
018import java.io.PrintWriter;
019import java.io.UnsupportedEncodingException;
020import java.io.Writer;
021import java.net.MalformedURLException;
022import java.net.URI;
023import java.net.URL;
024import java.util.Collection;
025import java.util.Collections;
026
027import javax.swing.ButtonGroup;
028import javax.swing.JCheckBox;
029import javax.swing.JLabel;
030import javax.swing.JPanel;
031import javax.swing.JRadioButton;
032import javax.swing.SwingConstants;
033
034import org.openstreetmap.josm.gui.layer.GpxLayer;
035import org.openstreetmap.josm.gui.layer.Layer;
036import org.openstreetmap.josm.gui.util.GuiHelper;
037import org.openstreetmap.josm.gui.widgets.JosmTextField;
038import org.openstreetmap.josm.io.GpxWriter;
039import org.openstreetmap.josm.io.session.SessionWriter.ExportSupport;
040import org.openstreetmap.josm.tools.GBC;
041import org.w3c.dom.Element;
042
043public class GpxTracksSessionExporter implements SessionLayerExporter {
044
045    private GpxLayer layer;
046    private JRadioButton link, include;
047    private JCheckBox export;
048
049    public GpxTracksSessionExporter(GpxLayer layer) {
050        this.layer = layer;
051    }
052
053    @Override
054    public Collection<Layer> getDependencies() {
055        return Collections.emptySet();
056    }
057
058    @Override
059    public Component getExportPanel() {
060        final JPanel p = new JPanel(new GridBagLayout());
061        JPanel topRow = new JPanel(new GridBagLayout());
062        export = new JCheckBox();
063        export.setSelected(true);
064        final JLabel lbl = new JLabel(layer.getName(), layer.getIcon(), SwingConstants.LEFT);
065        lbl.setToolTipText(layer.getToolTipText());
066
067        JLabel lblData = new JLabel(tr("Data:"));
068        /* I18n: Refer to a OSM data file in session file */ link = new JRadioButton(tr("local file"));
069        link.putClientProperty("actionname", "link");
070        link.setToolTipText(tr("Link to a GPX file on your local disk."));
071        /* I18n: Include OSM data in session file */ include = new JRadioButton(tr("include"));
072        include.setToolTipText(tr("Include GPX data in the .joz session file."));
073        include.putClientProperty("actionname", "include");
074        ButtonGroup group = new ButtonGroup();
075        group.add(link);
076        group.add(include);
077
078        JPanel cardLink = new JPanel(new GridBagLayout());
079        final File file = layer.getAssociatedFile();
080        if (file != null) {
081            JosmTextField tf = new JosmTextField();
082            tf.setText(file.getPath());
083            tf.setEditable(false);
084            cardLink.add(tf, GBC.std());
085        } else {
086            cardLink.add(new JLabel(tr("No file association")), GBC.eol());
087        }
088
089        JPanel cardInclude = new JPanel(new GridBagLayout());
090        JLabel lblIncl = new JLabel(tr("GPX data will be included in the session file."));
091        lblIncl.setFont(lblIncl.getFont().deriveFont(Font.PLAIN));
092        cardInclude.add(lblIncl, GBC.eol().fill(GBC.HORIZONTAL));
093
094        final CardLayout cl = new CardLayout();
095        final JPanel cards = new JPanel(cl);
096        cards.add(cardLink, "link");
097        cards.add(cardInclude, "include");
098
099        if (file != null) {
100            link.setSelected(true);
101        } else {
102            link.setEnabled(false);
103            link.setToolTipText(tr("No file association"));
104            include.setSelected(true);
105            cl.show(cards, "include");
106        }
107
108        link.addActionListener(new ActionListener() {
109            @Override
110            public void actionPerformed(ActionEvent e) {
111                cl.show(cards, "link");
112            }
113        });
114        include.addActionListener(new ActionListener() {
115            @Override
116            public void actionPerformed(ActionEvent e) {
117                cl.show(cards, "include");
118            }
119        });
120
121        topRow.add(export, GBC.std());
122        topRow.add(lbl, GBC.std());
123        topRow.add(GBC.glue(1,0), GBC.std().fill(GBC.HORIZONTAL));
124        p.add(topRow, GBC.eol().fill(GBC.HORIZONTAL));
125        p.add(lblData, GBC.std().insets(10,0,0,0));
126        p.add(link, GBC.std());
127        p.add(include, GBC.eol());
128        p.add(cards, GBC.eol().insets(15,0,3,3));
129
130        export.addItemListener(new ItemListener() {
131            @Override
132            public void itemStateChanged(ItemEvent e) {
133                if (e.getStateChange() == ItemEvent.DESELECTED) {
134                    GuiHelper.setEnabledRec(p, false);
135                    export.setEnabled(true);
136                } else {
137                    GuiHelper.setEnabledRec(p, true);
138                    link.setEnabled(file != null);
139                }
140            }
141        });
142        return p;
143    }
144
145    @Override
146    public boolean shallExport() {
147        return export.isSelected();
148    }
149
150    @Override
151    public boolean requiresZip() {
152        return include.isSelected();
153    }
154
155    @Override
156    public Element export(ExportSupport support) throws IOException {
157        Element layerEl = support.createElement("layer");
158        layerEl.setAttribute("type", "tracks");
159        layerEl.setAttribute("version", "0.1");
160
161        Element file = support.createElement("file");
162        layerEl.appendChild(file);
163
164        if (requiresZip()) {
165            String zipPath = "layers/" + String.format("%02d", support.getLayerIndex()) + "/data.gpx";
166            file.appendChild(support.createTextNode(zipPath));
167            addDataFile(support.getOutputStreamZip(zipPath));
168        } else {
169            URI uri = layer.getAssociatedFile().toURI();
170            URL url = null;
171            try {
172                url = uri.toURL();
173            } catch (MalformedURLException e) {
174                throw new IOException(e);
175            }
176            file.appendChild(support.createTextNode(url.toString()));
177        }
178        return layerEl;
179    }
180
181    protected void addDataFile(OutputStream out) throws IOException {
182        Writer writer = null;
183        try {
184            writer = new OutputStreamWriter(out, "UTF-8");
185        } catch (UnsupportedEncodingException e) {
186            throw new RuntimeException(e);
187        }
188        GpxWriter w = new GpxWriter(new PrintWriter(writer));
189        w.write(layer.data);
190        w.flush();
191    }
192
193}