001 // License: GPL. For details, see LICENSE file. 002 package org.openstreetmap.josm.io.session; 003 004 import static org.openstreetmap.josm.tools.I18n.tr; 005 006 import java.awt.CardLayout; 007 import java.awt.Font; 008 import java.awt.GridBagLayout; 009 import java.awt.Insets; 010 import java.awt.event.ActionEvent; 011 import java.awt.event.ActionListener; 012 import java.awt.event.ItemEvent; 013 import java.awt.event.ItemListener; 014 import java.io.File; 015 import java.io.IOException; 016 import java.io.OutputStream; 017 import java.io.OutputStreamWriter; 018 import java.io.PrintWriter; 019 import java.io.UnsupportedEncodingException; 020 import java.io.Writer; 021 import java.net.MalformedURLException; 022 import java.net.URI; 023 import java.net.URL; 024 import java.util.Collection; 025 import java.util.Collections; 026 027 import javax.swing.AbstractAction; 028 import javax.swing.ButtonGroup; 029 import javax.swing.JButton; 030 import javax.swing.JCheckBox; 031 import javax.swing.JLabel; 032 import javax.swing.JPanel; 033 import javax.swing.JRadioButton; 034 import javax.swing.JTextField; 035 import javax.swing.SwingConstants; 036 037 import org.openstreetmap.josm.actions.SaveAction; 038 import org.openstreetmap.josm.gui.layer.Layer; 039 import org.openstreetmap.josm.gui.layer.OsmDataLayer; 040 import org.openstreetmap.josm.gui.util.GuiHelper; 041 import org.openstreetmap.josm.io.OsmWriter; 042 import org.openstreetmap.josm.io.OsmWriterFactory; 043 import org.openstreetmap.josm.io.session.SessionWriter.ExportSupport; 044 import org.openstreetmap.josm.tools.GBC; 045 import org.openstreetmap.josm.tools.ImageProvider; 046 import org.w3c.dom.Element; 047 048 public class OsmDataSessionExporter implements SessionLayerExporter { 049 050 private OsmDataLayer layer; 051 private JRadioButton link, include; 052 private JCheckBox export; 053 054 public OsmDataSessionExporter(OsmDataLayer layer) { 055 this.layer = layer; 056 } 057 058 public OsmDataSessionExporter() { 059 } 060 061 @Override 062 public Collection<Layer> getDependencies() { 063 return Collections.emptySet(); 064 } 065 066 private class LayerSaveAction extends AbstractAction { 067 public LayerSaveAction() { 068 putValue(SMALL_ICON, new ImageProvider("save").setWidth(16).get()); 069 putValue(SHORT_DESCRIPTION, layer.requiresSaveToFile() ? 070 tr("Layer contains unsaved data - save to file.") : 071 tr("Layer does not contain unsaved data.")); 072 updateEnabledState(); 073 } 074 075 public void actionPerformed(ActionEvent e) { 076 SaveAction.getInstance().doSave(layer); 077 updateEnabledState(); 078 } 079 080 public void updateEnabledState() { 081 setEnabled(layer.requiresSaveToFile()); 082 } 083 } 084 085 @Override 086 public JPanel getExportPanel() { 087 final JPanel p = new JPanel(new GridBagLayout()); 088 JPanel topRow = new JPanel(new GridBagLayout()); 089 export = new JCheckBox(); 090 export.setSelected(true); 091 final JLabel lbl = new JLabel(layer.getName(), layer.getIcon(), SwingConstants.LEFT); 092 lbl.setToolTipText(layer.getToolTipText()); 093 094 JLabel lblData = new JLabel(tr("Data:")); 095 /* I18n: Refer to a OSM data file in session file */ link = new JRadioButton(tr("local file")); 096 link.putClientProperty("actionname", "link"); 097 link.setToolTipText(tr("Link to a OSM data file on your local disk.")); 098 /* I18n: Include OSM data in session file */ include = new JRadioButton(tr("include")); 099 include.setToolTipText(tr("Include OSM data in the .joz session file.")); 100 include.putClientProperty("actionname", "include"); 101 ButtonGroup group = new ButtonGroup(); 102 group.add(link); 103 group.add(include); 104 105 JPanel cardLink = new JPanel(new GridBagLayout()); 106 final File file = layer.getAssociatedFile(); 107 final LayerSaveAction saveAction = new LayerSaveAction(); 108 final JButton save = new JButton(saveAction); 109 if (file != null) { 110 JTextField tf = new JTextField(); 111 tf.setText(file.getPath()); 112 tf.setEditable(false); 113 cardLink.add(tf, GBC.std()); 114 save.setMargin(new Insets(0,0,0,0)); 115 cardLink.add(save, GBC.eol().insets(2,0,0,0)); 116 } else { 117 cardLink.add(new JLabel(tr("No file association")), GBC.eol()); 118 } 119 120 JPanel cardInclude = new JPanel(new GridBagLayout()); 121 JLabel lblIncl = new JLabel(tr("OSM data will be included in the session file.")); 122 lblIncl.setFont(lblIncl.getFont().deriveFont(Font.PLAIN)); 123 cardInclude.add(lblIncl, GBC.eol().fill(GBC.HORIZONTAL)); 124 125 final CardLayout cl = new CardLayout(); 126 final JPanel cards = new JPanel(cl); 127 cards.add(cardLink, "link"); 128 cards.add(cardInclude, "include"); 129 130 if (file != null) { 131 link.setSelected(true); 132 } else { 133 link.setEnabled(false); 134 link.setToolTipText(tr("No file association")); 135 include.setSelected(true); 136 cl.show(cards, "include"); 137 } 138 139 link.addActionListener(new ActionListener() { 140 public void actionPerformed(ActionEvent e) { 141 cl.show(cards, "link"); 142 } 143 }); 144 include.addActionListener(new ActionListener() { 145 public void actionPerformed(ActionEvent e) { 146 cl.show(cards, "include"); 147 } 148 }); 149 150 topRow.add(export, GBC.std()); 151 topRow.add(lbl, GBC.std()); 152 topRow.add(GBC.glue(1,0), GBC.std().fill(GBC.HORIZONTAL)); 153 p.add(topRow, GBC.eol().fill(GBC.HORIZONTAL)); 154 p.add(lblData, GBC.std().insets(10,0,0,0)); 155 p.add(link, GBC.std()); 156 p.add(include, GBC.eol()); 157 p.add(cards, GBC.eol().insets(15,0,3,3)); 158 159 export.addItemListener(new ItemListener() { 160 public void itemStateChanged(ItemEvent e) { 161 if (e.getStateChange() == ItemEvent.DESELECTED) { 162 GuiHelper.setEnabledRec(p, false); 163 export.setEnabled(true); 164 } else { 165 GuiHelper.setEnabledRec(p, true); 166 save.setEnabled(saveAction.isEnabled()); 167 link.setEnabled(file != null); 168 } 169 } 170 }); 171 return p; 172 } 173 174 @Override 175 public boolean shallExport() { 176 return export.isSelected(); 177 } 178 179 @Override 180 public boolean requiresZip() { 181 return include.isSelected(); 182 } 183 184 @Override 185 public Element export(ExportSupport support) throws IOException { 186 Element layerEl = support.createElement("layer"); 187 layerEl.setAttribute("type", "osm-data"); 188 layerEl.setAttribute("version", "0.1"); 189 190 Element file = support.createElement("file"); 191 layerEl.appendChild(file); 192 193 if (requiresZip()) { 194 String zipPath = "layers/" + String.format("%02d", support.getLayerIndex()) + "/data.osm"; 195 file.appendChild(support.createTextNode(zipPath)); 196 addDataFile(support.getOutputStreamZip(zipPath)); 197 } else { 198 URI uri = layer.getAssociatedFile().toURI(); 199 URL url = null; 200 try { 201 url = uri.toURL(); 202 } catch (MalformedURLException e) { 203 throw new IOException(e); 204 } 205 file.appendChild(support.createTextNode(url.toString())); 206 } 207 return layerEl; 208 } 209 210 protected void addDataFile(OutputStream out) throws IOException { 211 Writer writer = null; 212 try { 213 writer = new OutputStreamWriter(out, "UTF-8"); 214 } catch (UnsupportedEncodingException e) { 215 throw new RuntimeException(e); 216 } 217 OsmWriter w = OsmWriterFactory.createOsmWriter(new PrintWriter(writer), false, layer.data.getVersion()); 218 layer.data.getReadLock().lock(); 219 try { 220 w.writeLayer(layer); 221 w.flush(); 222 } finally { 223 layer.data.getReadLock().unlock(); 224 } 225 } 226 } 227