/**
* Displays a custom file chooser sheet with a custom approve button.
*
* @param chooser the chooser
* @param parent the parent component of the dialog; can be {@code null}
* @param approveButtonText the text of the {@code ApproveButton}
* @param listener The listener for SheetEvents.
*/
public static void showSheet(
final JFileChooser chooser,
Component parent,
String approveButtonText,
SheetListener listener) {
if (approveButtonText != null) {
chooser.setApproveButtonText(approveButtonText);
chooser.setDialogType(JFileChooser.CUSTOM_DIALOG);
}
// Begin Create Dialog
Frame frame =
parent instanceof Frame
? (Frame) parent
: (Frame) SwingUtilities.getAncestorOfClass(Frame.class, parent);
String title = chooser.getUI().getDialogTitle(chooser);
chooser.getAccessibleContext().setAccessibleDescription(title);
final JSheet sheet = new JSheet(frame);
sheet.addSheetListener(listener);
Container contentPane = sheet.getContentPane();
contentPane.setLayout(new BorderLayout());
contentPane.add(chooser, BorderLayout.CENTER);
// End Create Dialog
final ActionListener actionListener =
new ActionListener() {
public void actionPerformed(ActionEvent evt) {
int option;
if (evt.getActionCommand().equals("ApproveSelection")) {
option = JFileChooser.APPROVE_OPTION;
} else {
option = JFileChooser.CANCEL_OPTION;
}
sheet.hide();
sheet.fireOptionSelected(chooser, option);
chooser.removeActionListener(this);
}
};
chooser.addActionListener(actionListener);
sheet.addWindowListener(
new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
sheet.fireOptionSelected(chooser, JFileChooser.CANCEL_OPTION);
chooser.removeActionListener(actionListener);
}
});
chooser.rescanCurrentDirectory();
sheet.pack();
sheet.show();
sheet.toFront();
}
