datebutton.java

个人开发的数字助理

			daySpin.setName("Day");
			daySpin.addChangeListener(this);
			result.add(daySpin);

			JLabel dayLabel = new JLabel("日");
			dayLabel.setForeground(controlTextColor);
			result.add(dayLabel);
//			------------------------------------------------------------------------------------
			hourSpin = new JSpinner(new SpinnerNumberModel(currentHour, 0, 23,
					1));
			hourSpin.setPreferredSize(new Dimension(35, 20));
			hourSpin.setName("Hour");
			hourSpin.addChangeListener(this);
			result.add(hourSpin);

			JLabel hourLabel = new JLabel("时");
			hourLabel.setForeground(controlTextColor);
			result.add(hourLabel);
//			------------------------------------------------------------------------------------		
			
			miniteSpin = new JSpinner(new SpinnerNumberModel(currentMinite, 0, 59,
					1));
			miniteSpin.setPreferredSize(new Dimension(35, 20));
			miniteSpin.setName("Minite");
			miniteSpin.addChangeListener(this);
			result.add(miniteSpin);

			JLabel miniteLabel = new JLabel("分");
			miniteLabel.setForeground(controlTextColor);
			result.add(miniteLabel);
//			------------------------------------------------------------------------------------

			return result;
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		private JPanel createWeekAndDayPanal() {
			String colname[] = { "日", "一", "二", "三", "四", "五", "六" };
			JPanel result = new JPanel();
			// 设置固定字体，以免调用环境改变影响界面美观
			result.setFont(new Font("宋体", Font.PLAIN, 12));
			result.setLayout(new GridLayout(7, 7));
			result.setBackground(Color.white);
			JLabel cell;

			for (int i = 0; i < 7; i++)
				{
					cell = new JLabel(colname[i]);
					cell.setHorizontalAlignment(JLabel.RIGHT);
					if (i == 0 || i == 6)
						cell.setForeground(weekendFontColor);
					else
						cell.setForeground(weekFontColor);
					result.add(cell);
				}

			int actionCommandId = 0;
			for (int i = 0; i < 6; i++)
				for (int j = 0; j < 7; j++)
					{
						JButton numberButton = new JButton();
						numberButton.setBorder(null);
						numberButton
								.setHorizontalAlignment(SwingConstants.RIGHT);
						numberButton.setActionCommand(String
								.valueOf(actionCommandId));
						numberButton.addActionListener(this);
						numberButton.setBackground(palletTableColor);
						numberButton.setForeground(dateFontColor);
						if (j == 0 || j == 6)
							numberButton.setForeground(weekendFontColor);
						else
							numberButton.setForeground(dateFontColor);
						daysButton[i][j] = numberButton;
						result.add(numberButton);
						actionCommandId++;
					}

			return result;
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		private JDialog createDialog(Frame owner) {
			JDialog result = new JDialog(owner, "日期时间选择", true);
			result.setDefaultCloseOperation(JDialog.HIDE_ON_CLOSE);
			result.getContentPane().add(this, BorderLayout.CENTER);
			result.pack();
			result.setSize(width, height);
			return result;
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		void showDateChooser(Point position) {
			Frame owner = (Frame) SwingUtilities
					.getWindowAncestor(DateButton.this);
			if (dialog == null || dialog.getOwner() != owner)
				dialog = createDialog(owner);
			dialog.setLocation(getAppropriateLocation(owner, position));
			flushWeekAndDay();
			dialog.show();
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		Point getAppropriateLocation(Frame owner, Point position) {
			Point result = new Point(position);
			Point p = owner.getLocation();
			int offsetX = (position.x + width) - (p.x + owner.getWidth());
			int offsetY = (position.y + height) - (p.y + owner.getHeight());

			if (offsetX > 0)
				{
					result.x -= offsetX;
				}

			if (offsetY > 0)
				{
					result.y -= offsetY;
				}

			return result;

		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		private Calendar getCalendar() {
			Calendar result = Calendar.getInstance();
			result.setTime(getDate());
			return result;
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		public int getSelectedYear() {
			return ((Integer) yearSpin.getValue()).intValue();
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		public int getSelectedMonth() {
			return ((Integer) monthSpin.getValue()).intValue();
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		public int getSelectedDay() {
			return ((Integer) daySpin.getValue()).intValue();
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		public int getSelectedHour() {
			return ((Integer) hourSpin.getValue()).intValue();
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		public int getSelectedMinite() {
			return ((Integer) miniteSpin.getValue()).intValue();
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		private void dayColorUpdate(boolean isOldDay) {
			Calendar c = getCalendar();
			int day = c.get(Calendar.DAY_OF_MONTH);
			c.set(Calendar.DAY_OF_MONTH, 1);
			int actionCommandId = day - 2 + c.get(Calendar.DAY_OF_WEEK);
			int i = actionCommandId / 7;
			int j = actionCommandId % 7;
			if (isOldDay)
				daysButton[i][j].setForeground(dateFontColor);
			else
				daysButton[i][j].setForeground(todayBackColor);
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		private void flushWeekAndDay() {
			Calendar c = getCalendar();
			c.set(Calendar.DAY_OF_MONTH, 1);
			int maxDayNo = c.getActualMaximum(Calendar.DAY_OF_MONTH);
			int dayNo = 2 - c.get(Calendar.DAY_OF_WEEK);
			for (int i = 0; i < 6; i++)
				{
					for (int j = 0; j < 7; j++)
						{
							String s = "";
							if (dayNo >= 1 && dayNo <= maxDayNo)
								s = String.valueOf(dayNo);
							daysButton[i][j].setText(s);
							dayNo++;
						}
				}
			dayColorUpdate(false);
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		public void stateChanged(ChangeEvent e) {
			JSpinner source = (JSpinner) e.getSource();
			Calendar c = getCalendar();
			if (source.getName().equals("Hour"))
				{
					c.set(Calendar.HOUR_OF_DAY, getSelectedHour());
					setDate(c.getTime());
					return;
				}

			dayColorUpdate(true);

			if (source.getName().equals("Year"))
				{
					c.set(Calendar.YEAR, getSelectedYear());
					setDate(c.getTime());
				}

			if (source.getName().equals("Month"))
				{
					c.set(Calendar.MONTH, getSelectedMonth() - 1);
					setDate(c.getTime());
				}
			if (source.getName().equals("Day"))
				{
					c.set(Calendar.DAY_OF_MONTH, getSelectedDay() );
					setDate(c.getTime());
				}
			if (source.getName().equals("Hour"))
				{
					c.set(Calendar.MONTH, getSelectedHour());
					setDate(c.getTime());
				}
			if (source.getName().equals("Minite"))
				{
					c.set(Calendar.MINUTE, getSelectedMinite());
					setDate(c.getTime());
				}
//			setDate(c.getTime());
			flushWeekAndDay();
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
		public void actionPerformed(ActionEvent e) {
			JButton source = (JButton) e.getSource();
			if (source.getText().length() == 0) return;
			dayColorUpdate(true);
			source.setForeground(todayBackColor);
			int newDay = Integer.parseInt(source.getText());
			Calendar c = getCalendar();
			c.set(Calendar.DAY_OF_MONTH, newDay);
			setDate(c.getTime());
		}
//		----------------------------------------------------------------------------------------------------------------------------------------
	}
}