/**
* Displays a notification dialog about the server being shut down regardless of whether the edit
* contractor dialog itself is currently visible or not.
*/
public final void deactivate() {
// Disable everything
nameField.setEnabled(false);
locationField.setEnabled(false);
specialtiesField.setEnabled(false);
sizeField.setEnabled(false);
rateField.setEnabled(false);
ownerField.setEnabled(false);
okButton.setEnabled(false);
cancelButton.setEnabled(false);
// Display notification about server going down
JOptionPane.showMessageDialog(
isVisible() ? this : getParent(),
Text.SERVER_IS_GOING_DOWN,
Text.SERVER_TERMINATION_NOTIFICATION,
JOptionPane.WARNING_MESSAGE);
if (isVisible()) {
setVisible(false);
}
}
/**
* Configures the dialog as a book contractor dialog and displays it. Returns when the dialog has
* been made invisible after confirmation or cancellation.
*
* @param recNo the number of the contractor record to book
* @param contractor the contractor object corresponding to the given <code>recNo</code>
* @param businessServices an object implementing the <code>BusinessServices</code> interface for
* the <code>book</code> request to the model
* @return a <code>BookResult</code> with <code>BookStatus</code> and <code>Contractor</code> if
* booking was actually attempted (OK button pressed), otherwise (Cancel button pressed)
* <code>null</code>.
*/
public final BookResult bookContractor(
final long recNo, final Contractor contractor, final BusinessServices businessServices) {
validOwner = false;
BookActionHandler bookActionHandler = new BookActionHandler(recNo, businessServices);
okButton.addActionListener(bookActionHandler);
okButton.setEnabled(validOwner);
// Activate the cancel button (possibly still deactivated from previous
// invocation).
cancelButton.setEnabled(true);
nameField.setText(contractor.getName());
nameField.setEnabled(false);
locationField.setText(contractor.getLocation());
locationField.setEnabled(false);
specialtiesField.setText(contractor.getSpecialties());
specialtiesField.setEnabled(false);
sizeField.setText(contractor.getSize());
sizeField.setEnabled(false);
rateField.setText(contractor.getRate());
rateField.setEnabled(false);
// To validate the initial text, it is crucial that the validity
// listener be added before setting the text.
ownerField.addValidityChangeListener(
new ValidityChangeListener() {
@Override
public void validityGained(final ValidityChangeEvent ve) {
validOwner = true;
okButton.setEnabled(validOwner);
}
@Override
public void validityLost(final ValidityChangeEvent ve) {
validOwner = false;
okButton.setEnabled(validOwner);
}
});
ownerField.setText(contractor.getOwner());
ownerField.setEnabled(true);
ownerField.addKeyListener(textFieldEnterKeyHandler);
setTitle(Text.BOOK_CONTRACTOR_TITLE);
setLocationRelativeTo(getParent());
ownerField.requestFocusInWindow();
setVisible(true);
okButton.removeActionListener(bookActionHandler);
// Return true if OK button has been pushed.
JOptionPane optionPane = (JOptionPane) getContentPane();
if (optionPane.getValue() instanceof Integer) {
int status = ((Integer) (optionPane.getValue())).intValue();
if (status == JOptionPane.OK_OPTION) {
return bookActionHandler.bookResult;
}
}
return null;
}