public void actionPerformed(ActionEvent e) {
/*
* The menu is assigned to several menu bars. The listener is kept as
* a separate class than the listeners already assigned to the actions
* for the menu when created.
*/
JMenu menuOfEventTrigger = Application.frame.getJMenuBar().getMenu(1);
if (e.getSource() == menuOfEventTrigger.getItem(0)) LectureManager.goToFirstPage();
else if (e.getSource() == menuOfEventTrigger.getItem(1)) LectureManager.goToLastPage();
else if (e.getSource() == menuOfEventTrigger.getItem(2)) {
Application.dialogLabel.setText(DialogLabelText.changeLectureMessage);
byte selectedButton =
(byte)
(JOptionPane.showConfirmDialog(
null,
Application.dialogLabel,
"Change Lecture",
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE));
if (selectedButton == JOptionPane.YES_OPTION) {
Application.frame.setJMenuBar(Application.centralProgramMenuBar);
CardLayout mainPanelLayout = (CardLayout) (Application.mainPanel.getLayout());
Application.currentPanelName = Application.LECTURE_SELECT_NAME;
mainPanelLayout.show(Application.mainPanel, Application.currentPanelName);
}
}
// When the user clicks on the button to quit Lecture Mode.
else if (e.getSource() == menuOfEventTrigger.getItem(3)) {
Application.dialogLabel.setText(DialogLabelText.quitLectureModeMessage);
byte selectedButton =
(byte)
(JOptionPane.showConfirmDialog(
null,
Application.dialogLabel,
"Quit Lecture Mode",
JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE));
if (selectedButton == JOptionPane.YES_OPTION) {
Application.frame.setJMenuBar(Application.centralProgramMenuBar);
Application.restartMainMenuThread();
CardLayout mainPanelLayout = (CardLayout) (Application.mainPanel.getLayout());
Application.currentPanelName = Application.MAIN_MENU_NAME;
mainPanelLayout.show(Application.mainPanel, Application.currentPanelName);
}
}
}
