// ds enable display
public void launch()
throws CZEPGUIException, HeadlessException, SQLException, CZEPMySQLManagerException {
System.out.println(
"[" + CLogger.getStamp() + "]<CGUI>(launch) Loading initial application setup");
// ds allocate a dialog object to display independently
final JDialog cDialogLoading = new JDialog(m_cFrame, "ZEP: Zero-Effort Procrastination", false);
// ds set the option panel without any options
cDialogLoading.setContentPane(
new JOptionPane(
"Loading image data please wait",
JOptionPane.INFORMATION_MESSAGE,
JOptionPane.DEFAULT_OPTION,
null,
new Object[] {},
null));
// ds display the dialog
cDialogLoading.pack();
cDialogLoading.setVisible(true);
cDialogLoading.setLocationRelativeTo(null);
try {
// ds fetch initial datapool
m_cLearner.fetchInitialDataPool();
// ds try to get the image for first display
_displayInitialImage(m_cLearner.getFirstDataPoint());
} catch (Exception e) {
// ds info
System.out.println(
"["
+ CLogger.getStamp()
+ "]<CGUI>(launch) Exception: "
+ e.getMessage()
+ " - could not fetch database");
// ds dispose loading screen
cDialogLoading.removeAll();
cDialogLoading.dispose();
// ds rethrow
throw new CZEPGUIException("GUI aborted");
}
// ds dispose loading screen
cDialogLoading.removeAll();
cDialogLoading.dispose();
// ds register key listener
m_cFrame.addKeyListener(this);
// ds display frame for interaction
m_cFrame.setVisible(true);
m_cFrame.setLocationRelativeTo(null);
// ds request focus for key strokes
m_cFrame.requestFocus();
// ds initialize with empty string
String strUsername = "";
// ds as long as it is not set
while (strUsername.isEmpty()) {
// ds show dialog to enter name
strUsername =
JOptionPane.showInputDialog(
m_cFrame,
"Please enter your desired username: "******"ZEP: Zero-Effort Procrastination",
JOptionPane.PLAIN_MESSAGE);
// ds check if null (cancelled by user)
if (null == strUsername) {
// ds escape
throw new CZEPGUIException("cancelled username setting dialog");
}
// ds check if already taken
if (!strUsername.isEmpty() && !m_cMySQLManager.isUserAvailable(strUsername)) {
// ds inform
JOptionPane.showMessageDialog(m_cFrame, "Username already taken - please try again");
// ds keep looping
strUsername = "";
}
}
// ds username is fine to set
m_cLearner.setUsername(strUsername);
// ds set user active
m_cMySQLManager.setActiveUser(strUsername);
// ds and log
System.out.println(
"[" + CLogger.getStamp() + "]<CGUI>(launch) Login of: [" + strUsername + "] successful");
// ds log successful launch
_logMaster("<CGUI>(launch) launched GUI application");
// ds request focus for key strokes
m_cFrame.requestFocus();
}
