/** 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;
}
public void closeEmptySessions() {
JInternalFrame[] frames = desktopPane.getAllFramesInLayer(0);
for (JInternalFrame frame : frames) {
Object o = frame.getContentPane().getComponents()[0];
if (o instanceof SessionEditor) {
SessionEditor sessionEditor = (SessionEditor) o;
SessionEditorWorkbench workbench = sessionEditor.getSessionWorkbench();
Graph graph = workbench.getGraph();
if (graph.getNumNodes() == 0) {
frame.dispose();
}
}
}
}
/** 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());
}