Swing 自定义日期选择控件，swing控件,Swing日期选择器采用
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Swing 自定义日期选择控件，swing控件,Swing日期选择器采用
Swing日期选择器采用触发事件的方式,这样的话,就可以将DateChooser添加到任何组件之上,任何组件都可以捕获日期选择的事件,然后进行相应处理1. 如何对事件进行管理,可以查看这个http://my.oschina.net/abian/blog/497296
截图:
package unit;import java.awt.BorderLayout;import java.awt.Color;import java.awt.Dimension;import java.awt.Font;import java.awt.GridLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.text.SimpleDateFormat;import java.util.Calendar;import java.util.EventListener;import java.util.GregorianCalendar;import javax.swing.BorderFactory;import javax.swing.Box;import javax.swing.JButton;import javax.swing.JComboBox;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.SwingConstants;import javax.swing.event.EventListenerList;/** * 日期选择器 采用触发事件的方式,这样的话,就可以将DateChooser添加到任何组件之上, * 任何组件都可以捕获日期选择的事件,然后进行相应处理 * * @author changwen * @date Aug 26, 2015 */@SuppressWarnings("all")public class DateChooser extends JPanel { protected Color weekBackgroundColor = new Color(189, 235, 238); protected Color weekendBtnFontColor = new Color(240, 64, 64); // color protected Color selectedColor = weekBackgroundColor; protected Font labelFont = new Font("Arial", Font.PLAIN, 10); protected Color defaultBtnFontColor = Color.BLACK; protected Color defaultBtnBackgroundColor = Color.WHITE; private Calendar cal = null; private Calendar todayCal = null; private int year; private int month; private int day; private JPanel controllPanel = null; private JPanel dateContainerPanel = null; private JLabel todayLabel = null; protected DateButton[][] buttonDays = null; public JComboBox monthChoice; public JComboBox yearChoice; protected String[] weekTitle = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; protected int[] months = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 }; private EventListenerList actionListenerList = new EventListenerList(); public DateChooser() { buttonDays = new DateButton[6][7]; cal = Calendar.getInstance(); todayCal = Calendar.getInstance(); this.year = cal.get(Calendar.YEAR); this.month = cal.get(Calendar.MONTH); this.day = cal.get(Calendar.DATE); JPanel oprPanel = createControlPanel(); this.setLayout(new BorderLayout(0, 0)); dateContainerPanel = new JPanel(); createDayPanel(cal); setActiveDay(day); this.add(oprPanel, BorderLayout.NORTH); this.add(dateContainerPanel, BorderLayout.CENTER); } @SuppressWarnings("all") public JPanel createControlPanel() { controllPanel = new JPanel(); controllPanel.setBackground(Color.WHITE); Box hBox = Box.createHorizontalBox(); String strToday = formatDate(todayCal); todayLabel = new JLabel(strToday); monthChoice = new JComboBox(); for (int i = 0; i < months.length; i++) { monthChoice.addItem(months[i]); } monthChoice.setSelectedItem(months[month]); monthChoice.setPreferredSize(new Dimension(monthChoice.getPreferredSize().width, monthChoice.getPreferredSize().height)); monthChoice.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ae) { int i = monthChoice.getSelectedIndex(); if (i >= 0) { month = i; Calendar cal = new GregorianCalendar(year, month, 1); year = cal.get(Calendar.YEAR); month = cal.get(Calendar.MONTH); createDayPanel(cal); } } }); int currentYear = todayCal.get(Calendar.YEAR); final int gapYears = 10; yearChoice = new JComboBox(); for (int i = currentYear - gapYears; i < currentYear + gapYears; i++) { yearChoice.addItem(i); } yearChoice.setSelectedIndex(gapYears); yearChoice.setPreferredSize(new Dimension(yearChoice.getPreferredSize().width, yearChoice.getPreferredSize().height)); yearChoice.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent ae) { System.out.println(yearChoice.getSelectedIndex()); if (yearChoice.getSelectedIndex() != gapYears) { Integer selYear = (Integer) yearChoice.getSelectedItem(); Calendar cal = new GregorianCalendar(year, month, 1); cal.set(Calendar.YEAR, selYear); year = cal.get(Calendar.YEAR); month = cal.get(Calendar.MONTH); createDayPanel(cal); } } }); hBox.add(todayLabel); hBox.add(Box.createHorizontalStrut(5)); hBox.add(monthChoice); hBox.add(Box.createHorizontalStrut(8)); hBox.add(yearChoice); hBox.add(Box.createHorizontalStrut(8)); controllPanel.add(hBox, BorderLayout.NORTH); return controllPanel; } /** * 创建日期组件 * * @param cal * void */ public void createDayPanel(Calendar cal) { dateContainerPanel.removeAll(); dateContainerPanel.revalidate(); cal.set(Calendar.DAY_OF_MONTH, 1); cal.add(Calendar.MONTH, 1); cal.add(Calendar.DAY_OF_MONTH, -1); int weeks = cal.get(Calendar.WEEK_OF_MONTH); GridLayout grid = new GridLayout(7, 7, 0, 0); dateContainerPanel.setLayout(grid); cal.set(Calendar.DAY_OF_MONTH, 1); int weekday = cal.get(Calendar.DAY_OF_WEEK); System.out.println("weekday+" + weekday); cal.add(Calendar.DAY_OF_MONTH, 1 - weekday); System.out.println("Calendar.DAY_OF_MONTH=" + cal.get(Calendar.DAY_OF_MONTH)); for (int i = 0; i < 7; i++) { JLabel weekLabel = new JLabel(weekTitle[i], SwingConstants.CENTER); weekLabel.setFont(labelFont); weekLabel.setOpaque(true); weekLabel.setBackground(weekBackgroundColor); dateContainerPanel.add(weekLabel); } DayButtonActionListener dayButtonActionListener = new DayButtonActionListener(); for (int i = 0; i < 6; i++) { for (int j = 0; j < 7; j++) { int curMonth = cal.get(Calendar.MONTH); DateButton button = null; if (curMonth != month) { button = new DateButton(" "); button.setEnabled(false); button.setBackground(defaultBtnBackgroundColor); } else { int currentDay = cal.get(Calendar.DAY_OF_MONTH); button = new DateButton(currentDay + ""); button.setHorizontalTextPosition(SwingConstants.RIGHT); button.setFont(labelFont); button.setBackground(defaultBtnBackgroundColor); button.setSelectedBackground(weekBackgroundColor); if (currentDay == todayCal.get(Calendar.DAY_OF_MONTH) && month == todayCal.get(Calendar.MONTH) && year == todayCal.get(Calendar.YEAR)) { button.setBorder(BorderFactory.createLineBorder(weekendBtnFontColor)); } if (cal.get(Calendar.MONTH) != month) { button.setForeground(Color.BLUE); } if (j == 0 || j == 6) { button.setForeground(weekendBtnFontColor); } else { button.setForeground(defaultBtnFontColor); } } button.addActionListener(dayButtonActionListener); buttonDays[i][j] = button; dateContainerPanel.add(buttonDays[i][j]); cal.add(Calendar.DAY_OF_MONTH, 1); } } } /** * 选中莫一天 * * @param selectedDay * void */ public void setActiveDay(int selectedDay) { clearAllActiveDay(); if (selectedDay <= 0) { day = new GregorianCalendar().get(Calendar.DAY_OF_MONTH); } else { day = selectedDay; } int leadGap = new GregorianCalendar(year, month, 1).get(Calendar.DAY_OF_WEEK) - 1; JButton selectedButton = buttonDays[(leadGap + selectedDay - 1) / 7][(leadGap + selectedDay - 1) % 7]; selectedButton.setBackground(weekBackgroundColor); } /** * 清除所有选择的日期 * */ public void clearAllActiveDay() { for (int i = 0; i < 6; i++) { for (int j = 0; j < 7; j++) { JButton button = buttonDays[i][j]; if (button.getText() != null && button.getText().trim().length() > 0) { button.setBackground(defaultBtnBackgroundColor); button.revalidate(); } } } } /** * 获取选中的日期 * * @return String */ public String getSelectedDate() { Calendar cal = new GregorianCalendar(year, month, day); return formatDate(cal); } private String formatDate(Calendar cal) { String pattern = "MM-dd-yyyy"; SimpleDateFormat dateFormat = new SimpleDateFormat(pattern); return dateFormat.format(cal.getTime()); } class DayButtonActionListener implements ActionListener { public void actionPerformed(ActionEvent e) { JButton button = (JButton) e.getSource(); if (button.getText() != null && button.getText().trim().length() > 0) { day = Integer.parseInt(button.getText()); setActiveDay(day); fireActionPerformed(e);// fire button click event /** * 采用触发事件的方式,这样的话,就可以将DateChooser添加到任何组件之上, * 任何组件都可以捕获日期选择的事件,然后进行相应处理 */ } } } public void addActionListener(ActionListener actionListener) { actionListenerList.add(ActionListener.class, actionListener); } public void removeActionListener(ActionListener actionListener) { actionListenerList.remove(ActionListener.class, actionListener); } /** * 事件管理,触发事件 * * @param actionEvent * void */ protected void fireActionPerformed(ActionEvent actionEvent) { EventListener listenerList[] = actionListenerList.getListeners(ActionListener.class); for (int i = 0, n = listenerList.length; i < n; i++) { ((ActionListener) listenerList[i]).actionPerformed(actionEvent); } } public static void main(String[] args) { JFrame frame = new JFrame("xxxxxx"); frame.setSize(400, 300); final DateChooser datePicker = new DateChooser(); datePicker.addActionListener(new ActionListener() {// 事件捕获 public void actionPerformed(ActionEvent e) { System.out.println(datePicker.getSelectedDate()); } }); frame.getContentPane().add(datePicker); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setLocationRelativeTo(null); frame.setVisible(true); }}//-------自定义按钮--------------package unit;import java.awt.Color;import java.awt.Cursor;import java.awt.Graphics;import java.awt.Graphics2D;import java.awt.Paint;import java.awt.RenderingHints;import javax.swing.Action;import javax.swing.BorderFactory;import javax.swing.Icon;import javax.swing.JButton;public class DateButton extends JButton { private static final long serialVersionUID = 1L; protected Color normalBackground; protected Color selectedBackground; public DateButton() { initAttributes(); } public DateButton(Icon icon) { super(icon); initAttributes(); } public DateButton(String text, Icon icon) { super(text, icon); initAttributes(); } public DateButton(String text) { super(text); initAttributes(); } public DateButton(Action a) { super(a); initAttributes(); } public void initAttributes() { setRolloverEnabled(true); setBorder(BorderFactory.createEmptyBorder()); setContentAreaFilled(false); setFocusPainted(false); setNormalBackground(new Color(216, 216, 216)); setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR)); } @Override public void paint(Graphics g) { Graphics2D g2d = (Graphics2D) g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); Paint oldPaint = g2d.getPaint(); if ((getModel().isSelected() || getModel().isPressed()) && selectedBackground != null) { g2d.setPaint(selectedBackground); g2d.fillRect(0, 0, getWidth(), getHeight()); } else if (getNormalBackground() != null) { g2d.setPaint(getNormalBackground()); g2d.fillRect(0, 0, getWidth(), getHeight()); } g2d.setPaint(oldPaint); super.paint(g2d); } public void clearDefaultAttribute() { setNormalBackground(null); } @Override public void setBackground(Color bg) { super.setBackground(bg); normalBackground = bg; } public Color getNormalBackground() { return normalBackground; } public void setNormalBackground(Color normalBackground) { super.setBackground(normalBackground); this.normalBackground = normalBackground; } public void setSelectedBackground(Color selectedBackground) { this.selectedBackground = selectedBackground; }}来自：http://my.oschina.net/abian/blog/497331
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