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package org.openslx.dozmod.gui.control;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.lang.reflect.Field;
import java.util.HashSet;
import java.util.Set;
import javax.swing.JButton;
import javax.swing.JFormattedTextField.AbstractFormatter;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.JTextField;
import org.apache.log4j.Logger;
import org.jdatepicker.impl.JDatePanelImpl;
import org.jdatepicker.impl.JDatePickerImpl;
@SuppressWarnings("serial")
public class QDatePickerImpl extends JDatePickerImpl {
private static final Logger LOGGER = Logger.getLogger(QDatePickerImpl.class);
private final JButton pickButton;
private final JTextField displayTextField;
private final Set<ActionListener> actionListeners = new HashSet<>();
public QDatePickerImpl(JDatePanelImpl datePanel, AbstractFormatter formatter) {
super(datePanel, formatter);
Field cfButton = null;
Field cfTextField = null;
try {
cfButton = JDatePickerImpl.class.getDeclaredField("button");
cfButton.setAccessible(true);
} catch (Exception e) {
LOGGER.warn("Could not get button field", e);
}
try {
cfTextField = JDatePickerImpl.class.getDeclaredField("formattedTextField");
cfTextField.setAccessible(true);
} catch (Exception e) {
LOGGER.warn("Could not get text field", e);
}
JButton button = null;
JTextField textField = null;
if (cfButton != null) {
try {
button = (JButton) cfButton.get(this);
} catch (Exception e) {
LOGGER.warn("Could not get button from this", e);
}
}
if (cfTextField != null) {
try {
textField = (JTextField) cfTextField.get(this);
} catch (Exception e) {
LOGGER.warn("Could not get textfield from this", e);
}
}
pickButton = button;
displayTextField = textField;
if (displayTextField != null) {
displayTextField.getDocument().addDocumentListener(new DocumentListener() {
@Override
public void removeUpdate(DocumentEvent e) {
fireChangeEvent();
}
@Override
public void insertUpdate(DocumentEvent e) {
fireChangeEvent();
}
@Override
public void changedUpdate(DocumentEvent e) {
fireChangeEvent();
}
});
}
}
private void fireChangeEvent() {
if (actionListeners.isEmpty())
return;
ActionEvent ae = new ActionEvent(this, ActionEvent.ACTION_PERFORMED, "Date selected");
for (ActionListener al : actionListeners) {
al.actionPerformed(ae);
}
}
@Override
public void setEnabled(boolean enabled) {
if (pickButton != null) {
pickButton.setEnabled(enabled);
}
if (displayTextField != null) {
displayTextField.setEnabled(enabled);
}
super.setEnabled(enabled);
}
@Override
public void addActionListener(ActionListener actionListener) {
actionListeners.add(actionListener);
//super.addActionListener(actionListener);
}
}
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