Examples with SessionWrapper edu.cmu.tetradapp.model.SessionWrapper used on opensource projects

Example 11 with SessionWrapper

use of edu.cmu.tetradapp.model.SessionWrapper in project tetrad by cmu-phil.

the class TetradDesktop method getNewSessionName.

/**
 * @return the next available session name in the series untitled1.tet,
 * untitled2.tet, etc.
 */
private String getNewSessionName() {
    String base = "untitled";
    String suffix = ".tet";
    // Sequence 1, 2, 3, ...
    int i = 0;
    loop: while (true) {
        i++;
        String name = base + i + suffix;
        for (Object _o : framesMap.keySet()) {
            if (_o instanceof SessionEditor) {
                SessionEditor sessionEditor = (SessionEditor) _o;
                SessionEditorWorkbench workbench = sessionEditor.getSessionWorkbench();
                SessionWrapper sessionWrapper = workbench.getSessionWrapper();
                if (sessionWrapper.getName().equals(name)) {
                    continue loop;
                }
            }
        }
        return name;
    }
}

Example 12 with SessionWrapper

use of edu.cmu.tetradapp.model.SessionWrapper in project tetrad by cmu-phil.

the class LoadSessionAction method actionPerformed.

/**
 * Performs the action of opening a session from a file.
 */
public void actionPerformed(ActionEvent e) {
    Window owner = (Window) JOptionUtils.centeringComp().getTopLevelAncestor();
    // select a file to open using the file chooser
    JFileChooser chooser = new JFileChooser();
    String sessionSaveLocation = Preferences.userRoot().get("sessionSaveLocation", "");
    chooser.setCurrentDirectory(new File(sessionSaveLocation));
    chooser.addChoosableFileFilter(new TetFileFilter());
    chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
    int ret1 = chooser.showOpenDialog(JOptionUtils.centeringComp());
    if (!(ret1 == JFileChooser.APPROVE_OPTION)) {
        return;
    }
    final File file = chooser.getSelectedFile();
    if (file == null) {
        return;
    }
    Preferences.userRoot().put("sessionSaveLocation", file.getParent());
    Session session = DesktopController.getInstance().getSessionByName(file.getName());
    if (session != null) {
        if (session.isEmpty()) {
            DesktopController.getInstance().closeSessionByName(file.getName());
        } else {
            int ret = JOptionPane.showConfirmDialog(JOptionUtils.centeringComp(), "Replace existing session by that name?.", "Confirm", JOptionPane.YES_NO_OPTION);
            if (ret == JOptionPane.YES_OPTION) {
                DesktopController.getInstance().closeSessionByName(file.getName());
            } else {
                return;
            }
        }
    }
    // The watcher thread is causing a race condition with JFileChooser.showOpenDialog somehow. Placing that
    // code outside the thread.
    new WatchedProcess(owner) {

        public void watch() {
            try {
                FileInputStream in = new FileInputStream(file);
                // ObjectInputStream objIn = new ObjectInputStream(in);
                DecompressibleInputStream objIn = new DecompressibleInputStream(in);
                Object o = objIn.readObject();
                TetradMetadata metadata = null;
                SessionWrapper sessionWrapper = null;
                if (o instanceof TetradMetadata) {
                    metadata = (TetradMetadata) o;
                    try {
                        sessionWrapper = (SessionWrapper) objIn.readObject();
                    } catch (ClassNotFoundException e1) {
                        throw e1;
                    } catch (Exception e2) {
                        e2.printStackTrace();
                        sessionWrapper = null;
                    }
                } else if (o instanceof SessionWrapper) {
                    metadata = null;
                    sessionWrapper = (SessionWrapper) o;
                }
                in.close();
                if (metadata == null) {
                    throw new NullPointerException("Could not read metadata.");
                }
                if (sessionWrapper == null) {
                    Version version = metadata.getVersion();
                    Date date = metadata.getDate();
                    SimpleDateFormat df = new SimpleDateFormat("MMM dd, yyyy");
                    JOptionPane.showMessageDialog(JOptionUtils.centeringComp(), "Could not load session. The version of the session was \n" + version + "; it was saved on " + df.format(date) + ". You " + "\nmight try loading it with that version instead.");
                    return;
                }
                SessionEditorWorkbench graph = new SessionEditorWorkbench(sessionWrapper);
                String name = file.getName();
                sessionWrapper.setName(name);
                SessionEditor editor = new SessionEditor(name, graph);
                DesktopController.getInstance().addSessionEditor(editor);
                DesktopController.getInstance().closeEmptySessions();
                DesktopController.getInstance().putMetadata(sessionWrapper, metadata);
            } catch (FileNotFoundException ex) {
                JOptionPane.showMessageDialog(JOptionUtils.centeringComp(), "That wasn't a TETRAD session file: " + file);
            } catch (Exception ex) {
                ex.printStackTrace();
                JOptionPane.showMessageDialog(JOptionUtils.centeringComp(), "An error occurred attempting to load the session.");
            }
        }
    };
}

Example 13 with SessionWrapper

use of edu.cmu.tetradapp.model.SessionWrapper in project tetrad by cmu-phil.

the class SaveSessionAction method actionPerformed.

/**
 * Performs the action of loading a session from a file.
 */
public void actionPerformed(ActionEvent e) {
    // Get the frontmost SessionWrapper.
    SessionEditorIndirectRef sessionEditorRef = DesktopController.getInstance().getFrontmostSessionEditor();
    SessionEditor sessionEditor = (SessionEditor) sessionEditorRef;
    SessionEditorWorkbench workbench = sessionEditor.getSessionWorkbench();
    SessionWrapper sessionWrapper = workbench.getSessionWrapper();
    TetradMetadata metadata = new TetradMetadata();
    File file = new File(Preferences.userRoot().get("sessionSaveLocation", Preferences.userRoot().absolutePath()), sessionWrapper.getName());
    if (!file.exists() || sessionWrapper.isNewSession()) {
        SaveSessionAsAction saveSessionAsAction = new SaveSessionAsAction();
        saveSessionAsAction.actionPerformed(e);
        this.saved = saveSessionAsAction.isSaved();
        return;
    }
    if (file.exists()) {
        int ret = JOptionPane.showConfirmDialog(JOptionUtils.centeringComp(), "File already exists. Overwrite?", "Save", JOptionPane.YES_NO_OPTION);
        if (ret == JOptionPane.NO_OPTION) {
            SaveSessionAsAction saveSessionAsAction = new SaveSessionAsAction();
            saveSessionAsAction.actionPerformed(e);
            this.saved = saveSessionAsAction.isSaved();
            return;
        }
    }
    // Save it.
    try {
        FileOutputStream out = new FileOutputStream(file);
        ObjectOutputStream objOut = new ObjectOutputStream(out);
        sessionWrapper.setNewSession(false);
        objOut.writeObject(metadata);
        objOut.writeObject(sessionWrapper);
        out.close();
        // JOptionPane.showMessageDialog(JOptionUtils.centeringComp(),
        // "Session saved.");
        FileInputStream in = new FileInputStream(file);
        ObjectInputStream objIn = new ObjectInputStream(in);
        objIn.readObject();
    } catch (Exception e2) {
        e2.printStackTrace();
        JOptionPane.showMessageDialog(JOptionUtils.centeringComp(), "An error occurred while attempting to save the session as " + file.getAbsolutePath() + ".");
    }
    sessionWrapper.setSessionChanged(false);
    DesktopController.getInstance().putMetadata(sessionWrapper, metadata);
}