package com.zycus.dotproject.ui;
//////////////////////////////////////////////////////////////
// DateComboBox.java
//////////////////////////////////////////////////////////////
import java.awt.*;
import java.awt.event.*;
import java.util.Calendar;
import java.util.Date;
import java.text.SimpleDateFormat;
import javax.swing.*;
import javax.swing.event.PopupMenuListener;
import javax.swing.event.PopupMenuEvent;
import javax.swing.plaf.ComboBoxUI;
import javax.swing.plaf.basic.ComboPopup;
import javax.swing.plaf.metal.MetalComboBoxUI;
import javax.swing.border.Border;
import javax.swing.border.EtchedBorder;
import javax.swing.border.EmptyBorder;
import com.sun.java.swing.plaf.motif.MotifComboBoxUI;
import com.sun.java.swing.plaf.windows.WindowsComboBoxUI;
import com.zycus.dotproject.util.ApplicationContext;
/**
* @version 1.0 11/02/2000
*/
// ////////////////////////////////////////////////////////////
public class DateComboBox extends JComboBox {
protected SimpleDateFormat dateFormat = new SimpleDateFormat(ApplicationContext.getUserPreferences().getDateDisplayFormat());
// protected SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MMM-yyyy");
public void setDateFormat(SimpleDateFormat dateFormat) {
this.dateFormat = dateFormat;
}
public void setSelectedItem(Object item) {
dateFormat = new SimpleDateFormat(ApplicationContext.getUserPreferences().getDateDisplayFormat());
// Could put extra logic here or in renderer when item is instanceof
// Date, Calendar, or String
// Dont keep a list ... just the currently selected item
removeAllItems(); // hides the popup if visible
if(item instanceof String) {
addItem(item);
super.setSelectedItem(item);
}else if(item instanceof Date) {
addItem(dateFormat.format(item));
super.setSelectedItem(dateFormat.format(item));
}
}
public void updateUI() {
dateFormat = new SimpleDateFormat(ApplicationContext.getUserPreferences().getDateDisplayFormat());
ComboBoxUI cui = (ComboBoxUI) UIManager.getUI(this);
if (cui instanceof MetalComboBoxUI) {
cui = new MetalDateComboBoxUI();
} else if (cui instanceof MotifComboBoxUI) {
cui = new MotifDateComboBoxUI();
} else if (cui instanceof WindowsComboBoxUI) {
cui = new WindowsDateComboBoxUI();
}else {
cui = new MetalDateComboBoxUI();
}
setUI(cui);
}
// Inner classes are used purely to keep DateComboBox component in one file
// ////////////////////////////////////////////////////////////
// UI Inner classes -- one for each supported Look and Feel
// ////////////////////////////////////////////////////////////
class MetalDateComboBoxUI extends MetalComboBoxUI {
protected ComboPopup createPopup() {
return new DatePopup(comboBox);
}
}
class WindowsDateComboBoxUI extends WindowsComboBoxUI {
protected ComboPopup createPopup() {
return new DatePopup(comboBox);
}
}
class MotifDateComboBoxUI extends MotifComboBoxUI {
protected ComboPopup createPopup() {
return new DatePopup(comboBox);
}
}
// ////////////////////////////////////////////////////////////
// DatePopup inner class
// ////////////////////////////////////////////////////////////
class DatePopup implements ComboPopup, MouseMotionListener, MouseListener, KeyListener, PopupMenuListener {
protected JComboBox comboBox;
protected Calendar calendar;
protected JPopupMenu popup;
protected JLabel monthLabel;
protected JPanel days = null;
protected SimpleDateFormat monthFormat = new SimpleDateFormat("MMM yyyy");
protected Color selectedBackground;
protected Color selectedForeground;
protected Color background;
protected Color foreground;
protected Color toDayBackground;
protected Color toDayForeground;
public DatePopup(JComboBox comboBox) {
this.comboBox = comboBox;
calendar = Calendar.getInstance();
// check Look and Feel
background = UIManager.getColor("ComboBox.background");
foreground = UIManager.getColor("ComboBox.foreground");
selectedBackground = UIManager.getColor("ComboBox.selectionBackground");
selectedForeground = UIManager.getColor("ComboBox.selectionForeground");
toDayBackground = Color.BLUE.darker().darker();
toDayForeground = Color.WHITE;
initializePopup();
}
// ========================================
// begin ComboPopup method implementations
//
public void show() {
try {
// if setSelectedItem() was called with a valid date, adjust the
// calendar
calendar.setTime(dateFormat.parse(comboBox.getSelectedItem().toString()));
} catch (Exception e) {
}
updatePopup();
popup.show(comboBox, 0, comboBox.getHeight());
}
public void hide() {
popup.setVisible(false);
}
protected JList list = new JList();
public JList getList() {
return list;
}
public MouseListener getMouseListener() {
return this;
}
public MouseMotionListener getMouseMotionListener() {
return this;
}
public KeyListener getKeyListener() {
return this;
}
public boolean isVisible() {
return popup.isVisible();
}
public void uninstallingUI() {
popup.removePopupMenuListener(this);
}
//
// end ComboPopup method implementations
// ======================================
// ===================================================================
// begin Event Listeners
//
// MouseListener
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
// something else registered for MousePressed
public void mouseClicked(MouseEvent e) {
if (!SwingUtilities.isLeftMouseButton(e))
return;
if (!comboBox.isEnabled())
return;
if (comboBox.isEditable()) {
comboBox.getEditor().getEditorComponent().requestFocus();
} else {
comboBox.requestFocus();
}
togglePopup();
}
protected boolean mouseInside = false;
public void mouseEntered(MouseEvent e) {
mouseInside = true;
}
public void mouseExited(MouseEvent e) {
mouseInside = false;
}
// MouseMotionListener
public void mouseDragged(MouseEvent e) {
}
public void mouseMoved(MouseEvent e) {
}
// KeyListener
public void keyPressed(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
public void keyReleased(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_SPACE || e.getKeyCode() == KeyEvent.VK_ENTER) {
togglePopup();
}
}
/**
* Variables hideNext and mouseInside are used to hide the popupMenu by
* clicking the mouse in the JComboBox
*/
public void popupMenuCanceled(PopupMenuEvent e) {
}
protected boolean hideNext = false;
public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
hideNext = mouseInside;
}
public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
}
//
// end Event Listeners
// =================================================================
// ===================================================================
// begin Utility methods
//
protected void togglePopup() {
if (isVisible() || hideNext) {
hide();
} else {
show();
}
hideNext = false;
}
//
// end Utility methods
// =================================================================
// Note *** did not use JButton because Popup closes when pressed
protected JLabel createUpdateButton(final int field, final int amount) {
final JLabel label = new JLabel();
final Border selectedBorder = new EtchedBorder();
final Border unselectedBorder = new EmptyBorder(selectedBorder.getBorderInsets(new JLabel()));
label.setBorder(unselectedBorder);
label.setForeground(foreground);
label.addMouseListener(new MouseAdapter() {
public void mouseReleased(MouseEvent e) {
calendar.add(field, amount);
updatePopup();
}
public void mouseEntered(MouseEvent e) {
label.setBorder(selectedBorder);
}
public void mouseExited(MouseEvent e) {
label.setBorder(unselectedBorder);
}
});
return label;
}
protected void initializePopup() {
JPanel header = new JPanel(); // used Box, but it wasn't Opaque
header.setLayout(new BoxLayout(header, BoxLayout.X_AXIS));
header.setBackground(background);
header.setOpaque(true);
JLabel label;
label = createUpdateButton(Calendar.YEAR, -1);
label.setText("<<");
label.setToolTipText("Previous Year");
header.add(Box.createHorizontalStrut(12));
header.add(label);
header.add(Box.createHorizontalStrut(12));
label = createUpdateButton(Calendar.MONTH, -1);
label.setText(" < ");
label.setToolTipText("Previous Month");
header.add(label);
monthLabel = new JLabel("", JLabel.CENTER);
monthLabel.setForeground(foreground);
header.add(Box.createHorizontalGlue());
header.add(monthLabel);
header.add(Box.createHorizontalGlue());
label = createUpdateButton(Calendar.MONTH, 1);
label.setText(" > ");
label.setToolTipText("Next Month");
header.add(label);
label = createUpdateButton(Calendar.YEAR, 1);
label.setText(">>");
label.setToolTipText("Next Year");
header.add(Box.createHorizontalStrut(12));
header.add(label);
header.add(Box.createHorizontalStrut(12));
popup = new JPopupMenu();
popup.setBorder(BorderFactory.createLineBorder(Color.black));
popup.setLayout(new BorderLayout());
popup.setBackground(background);
popup.addPopupMenuListener(this);
popup.add(BorderLayout.NORTH, header);
if(dateFormat == null) {
dateFormat = new SimpleDateFormat(ApplicationContext.getUserPreferences().getDateDisplayFormat());
}
label = new JLabel("Today : " + dateFormat.format(new Date()), JLabel.CENTER);
label.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent e) {
setSelectedItem(new Date());
hidePopup();
}
});
popup.add(BorderLayout.SOUTH, label);
}
// update the Popup when either the month or the year of the calendar
// has been changed
protected void updatePopup() {
monthLabel.setText(monthFormat.format(calendar.getTime()));
if (days != null) {
popup.remove(days);
}
days = new JPanel(new GridLayout(0, 7));
days.setBackground(background);
days.setOpaque(true);
Calendar setupCalendar = (Calendar) calendar.clone();
setupCalendar.set(Calendar.DAY_OF_WEEK, setupCalendar.getFirstDayOfWeek());
for (int i = 0; i < 7; i++) {
int dayInt = setupCalendar.get(Calendar.DAY_OF_WEEK);
JLabel label = new JLabel();
label.setHorizontalAlignment(JLabel.CENTER);
label.setForeground(foreground);
if (dayInt == Calendar.SUNDAY) {
label.setText("Sun");
} else if (dayInt == Calendar.MONDAY) {
label.setText("Mon");
} else if (dayInt == Calendar.TUESDAY) {
label.setText("Tue");
} else if (dayInt == Calendar.WEDNESDAY) {
label.setText("Wed");
} else if (dayInt == Calendar.THURSDAY) {
label.setText("Thu");
} else if (dayInt == Calendar.FRIDAY) {
label.setText("Fri");
} else if (dayInt == Calendar.SATURDAY) {
label.setText("Sat");
}
days.add(label);
setupCalendar.roll(Calendar.DAY_OF_WEEK, true);
}
setupCalendar = (Calendar) calendar.clone();
setupCalendar.set(Calendar.DAY_OF_MONTH, 1);
int first = setupCalendar.get(Calendar.DAY_OF_WEEK);
for (int i = 0; i < (first - 1); i++) {
days.add(new JLabel(""));
}
//System.out.println(setupCalendar);
for (int i = 1; i <= setupCalendar.getActualMaximum(Calendar.DAY_OF_MONTH); i++) {
final int day = i;
final JLabel label = new JLabel(String.valueOf(day));
label.setHorizontalAlignment(JLabel.CENTER);
label.setForeground(foreground);
label.addMouseListener(new MouseListener() {
public void mousePressed(MouseEvent e) {
}
public void mouseClicked(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
label.setOpaque(false);
label.setBackground(background);
label.setForeground(foreground);
calendar.set(Calendar.DAY_OF_MONTH, day);
comboBox.setSelectedItem(dateFormat.format(calendar.getTime()));
// hide();
// hide is called with setSelectedItem() ... removeAll()
comboBox.requestFocus();
hidePopup();
}
public void mouseEntered(MouseEvent e) {
label.setOpaque(true);
label.setBackground(selectedBackground);
label.setForeground(selectedForeground);
}
public void mouseExited(MouseEvent e) {
label.setOpaque(false);
label.setBackground(background);
label.setForeground(foreground);
}
});
days.add(label);
}
popup.add(BorderLayout.CENTER, days);
popup.pack();
}
}
// ////////////////////////////////////////////////////////////
// This is only included to provide a sample GUI
// ////////////////////////////////////////////////////////////
public static void main(String args[]) {
JFrame f = new JFrame();
Container c = f.getContentPane();
c.setLayout(new FlowLayout());
c.add(new JLabel("Date 1:"));
c.add(new DateComboBox());
c.add(new JLabel("Date 2:"));
DateComboBox dcb = new DateComboBox();
dcb.setEditable(true);
c.add(dcb);
f.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
f.setSize(500, 200);
f.show();
}
}