/** Returns the next available session name in the series untitled1.tet, untitled2.tet, etc. */ private String getNewSessionName() { String base = "untitled"; String suffix = ".tet"; int i = 0; // Sequence 1, 2, 3, ... 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; } }
/** * Queries the user as to whether they would like to save their sessions. * * @return true if the transaction was ended successfully, false if not (that is, canceled). */ public boolean closeAllSessions() { while (existsSession()) { SessionEditor sessionEditor = getFrontmostSessionEditor(); SessionEditorWorkbench workbench = sessionEditor.getSessionWorkbench(); SessionWrapper wrapper = workbench.getSessionWrapper(); if (!wrapper.isSessionChanged()) { closeFrontmostSession(); continue; } String name = sessionEditor.getName(); int ret = JOptionPane.showConfirmDialog( JOptionUtils.centeringComp(), "Would you like to save the changes you made to " + name + "?", "Advise needed...", JOptionPane.YES_NO_CANCEL_OPTION); if (ret == JOptionPane.NO_OPTION) { closeFrontmostSession(); continue; } else if (ret == JOptionPane.CANCEL_OPTION) { return false; } SaveSessionAsAction action = new SaveSessionAsAction(); action.actionPerformed( new ActionEvent(this, ActionEvent.ACTION_PERFORMED, "Dummy close action")); if (!action.isSaved()) { int ret2 = JOptionPane.showConfirmDialog( JOptionUtils.centeringComp(), "This session was not saved. Close session and continue anyway?", "Advise needed...", JOptionPane.OK_CANCEL_OPTION); if (ret2 == JOptionPane.CANCEL_OPTION) { return false; } } closeFrontmostSession(); } return true; }
/** Performs the action of saving a session to 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(); // Select the file to save this to. File file = EditorUtils.getSaveFile( sessionEditor.getName(), "tet", JOptionUtils.centeringComp(), true, "Save Session As..."); if (file == null) { this.saved = false; return; } if ((DesktopController.getInstance().existsSessionByName(file.getName()) && !(sessionWrapper.getName().equals(file.getName())))) { this.saved = false; JOptionPane.showMessageDialog( JOptionUtils.centeringComp(), "Another session by that name is currently open. Please " + "\nclose that session first."); return; } sessionWrapper.setName(file.getName()); sessionEditor.setName(file.getName()); // Save it. try { FileOutputStream out = new FileOutputStream(file); ObjectOutputStream objOut = new ObjectOutputStream(out); objOut.writeObject(metadata); objOut.writeObject(sessionWrapper); out.close(); FileInputStream in = new FileInputStream(file); ObjectInputStream objIn = new ObjectInputStream(in); objIn.readObject(); sessionWrapper.setSessionChanged(false); sessionWrapper.setNewSession(false); this.saved = true; } catch (Exception e2) { this.saved = false; e2.printStackTrace(); JOptionPane.showMessageDialog( JOptionUtils.centeringComp(), "An error occurred while attempting to save the session."); } DesktopController.getInstance().putMetadata(sessionWrapper, metadata); sessionEditor.firePropertyChange("name", null, file.getName()); }