// License: GPL. For details, see LICENSE file. package org.openstreetmap.josm.actions; import static org.openstreetmap.josm.tools.I18n.tr; import static org.openstreetmap.josm.gui.help.HelpUtil.ht; import java.awt.event.ActionEvent; import java.io.File; import java.io.IOException; import java.util.List; import javax.swing.JFileChooser; import javax.swing.JOptionPane; import javax.swing.SwingUtilities; import javax.swing.filechooser.FileFilter; import org.openstreetmap.josm.Main; import org.openstreetmap.josm.actions.ExtensionFileFilter; import org.openstreetmap.josm.gui.HelpAwareOptionPane; import org.openstreetmap.josm.gui.PleaseWaitRunnable; import org.openstreetmap.josm.gui.layer.Layer; import org.openstreetmap.josm.gui.progress.ProgressMonitor; import org.openstreetmap.josm.io.IllegalDataException; import org.openstreetmap.josm.io.session.SessionReader; public class SessionLoadAction extends JosmAction { public SessionLoadAction() { super(tr("Load Session"), "open", tr("Load a session from file."), null, true, "load-session", true); putValue("help", ht("/Action/SessionLoad")); } public void actionPerformed(ActionEvent e) { String curDir = Main.pref.get("lastDirectory"); if (curDir.equals("")) { curDir = "."; } JFileChooser fc = new JFileChooser(new File(curDir)); fc.setDialogTitle(tr("Open session")); fc.setFileSelectionMode(JFileChooser.FILES_ONLY); fc.setMultiSelectionEnabled(false); fc.setAcceptAllFileFilterUsed(true); FileFilter ff = new ExtensionFileFilter("jos,joz", "jos", tr("Session file (*.jos, *.joz)")); fc.addChoosableFileFilter(ff); int answer = fc.showOpenDialog(Main.parent); if (answer != JFileChooser.APPROVE_OPTION) return; if (!fc.getCurrentDirectory().getAbsolutePath().equals(curDir)) { Main.pref.put("lastDirectory", fc.getCurrentDirectory().getAbsolutePath()); } File file = fc.getSelectedFile(); boolean zip = true; if (file.getName().toLowerCase().endsWith(".jos")) { zip = false; } Main.worker.submit(new Loader(file, zip)); } public class Loader extends PleaseWaitRunnable { private boolean canceled; private File file; private boolean zip; private List layers; private List postLoadTasks; public Loader(File file, boolean zip) { super(tr("Loading session ''{0}''", file.getName())); this.file = file; this.zip = zip; } @Override protected void cancel() { Thread.currentThread().dumpStack(); canceled = true; } @Override protected void finish() { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { if (canceled) return; for (Layer l : layers) { if (canceled) return; Main.main.addLayer(l); } for (Runnable task : postLoadTasks) { if (canceled) return; if (task == null) continue; task.run(); } } }); } @Override protected void realRun() { try { ProgressMonitor monitor = getProgressMonitor(); SessionReader reader = new SessionReader(); reader.loadSession(file, zip, monitor); layers = reader.getLayers(); postLoadTasks = reader.getPostLoadTasks(); } catch (IllegalDataException e) { e.printStackTrace(); HelpAwareOptionPane.showMessageDialogInEDT( Main.parent, tr("Could not load session file ''{0}''.
Error is:
{1}", file.getName(), e.getMessage()), tr("Data Error"), JOptionPane.ERROR_MESSAGE, null ); cancel(); } catch (IOException e) { e.printStackTrace(); HelpAwareOptionPane.showMessageDialogInEDT( Main.parent, tr("Could not load session file ''{0}''.
Error is:
{1}", file.getName(), e.getMessage()), tr("IO Error"), JOptionPane.ERROR_MESSAGE, null ); cancel(); } catch (RuntimeException e) { cancel(); throw e; } catch (Error e) { cancel(); throw e; } } } }