package com.vci.client.oq.ui;
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import java.awt.BasicStroke;
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import java.awt.BorderLayout;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Cursor;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.GridLayout;
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import java.awt.Point;
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import java.awt.Polygon;
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import java.awt.Stroke;
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import java.awt.Toolkit;
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import java.awt.dnd.DnDConstants;
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import java.awt.dnd.DropTarget;
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import java.awt.event.ComponentListener;
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import java.awt.event.FocusEvent;
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import java.awt.event.FocusListener;
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import java.awt.event.MouseAdapter;
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import java.awt.event.MouseEvent;
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import java.awt.event.MouseListener;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.List;
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import javax.swing.BorderFactory;
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import javax.swing.JComponent;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JTextField;
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import javax.swing.PopupFactory;
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import javax.swing.SwingUtilities;
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import javax.swing.event.AncestorEvent;
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import javax.swing.event.AncestorListener;
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/**
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* @author zhangxg
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* @Describe(Date Chooser class)
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*/
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public class Chooser extends JPanel{
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private static final long serialVersionUID = -5384012731547358720L;
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private Calendar calendar;
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private Calendar now = Calendar.getInstance();
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private JPanel calendarPanel;
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private java.awt.Font font = new java.awt.Font("Times",java.awt.Font.PLAIN,12);
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private java.text.SimpleDateFormat sdf;
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private final LabelManager lm = new LabelManager();
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private javax.swing.Popup pop;
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private TitlePanel titlePanel;
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private BodyPanel bodyPanel;
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private FooterPanel footerPanel;
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private JComponent showDate;
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private boolean isShow = false;
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private static final String DEFAULTFORMAT = "yyyy-MM-dd";
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private static final String[] showTEXT = {"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
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private static WeekLabel[] weekLabels = new WeekLabel[7];
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private static int defaultStartDAY = 0;//0 is from Sun, 1 is from Mon, 2 is from Tue
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private static Color hoverColor = Color.BLUE; // hover color
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private Chooser(java.util.Date date, String format, int startDAY){
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if(startDAY > -1 && startDAY < 7) defaultStartDAY = startDAY;
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int dayIndex = defaultStartDAY;
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for(int i=0; i<7; i++){
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if(dayIndex > 6) dayIndex = 0;
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weekLabels[i] = new WeekLabel(dayIndex, showTEXT[dayIndex]);
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dayIndex ++ ;
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}
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sdf = new java.text.SimpleDateFormat(format);
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calendar = Calendar.getInstance();
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calendar.setTime(date);
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initCalendarPanel();
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}
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public static Chooser getInstance(java.util.Date date, String format){
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return new Chooser(date, format, defaultStartDAY);
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}
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public static Chooser getInstance(java.util.Date date){
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return getInstance(date, DEFAULTFORMAT);
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}
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public static Chooser getInstance(String format){
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return getInstance(new java.util.Date(), format);
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}
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public static Chooser getInstance(){
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return getInstance(new java.util.Date(), DEFAULTFORMAT);
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}
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private void initCalendarPanel(){
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calendarPanel = new JPanel(new java.awt.BorderLayout());
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calendarPanel.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0xAA, 0xAA, 0xAA)));
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calendarPanel.add(titlePanel = new TitlePanel(), java.awt.BorderLayout.NORTH);
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calendarPanel.add(bodyPanel = new BodyPanel(), java.awt.BorderLayout.CENTER);
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calendarPanel.add(footerPanel = new FooterPanel(),java.awt.BorderLayout.SOUTH);
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this.addAncestorListener(new AncestorListener() {
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public void ancestorAdded(AncestorEvent event) { }
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public void ancestorRemoved(AncestorEvent event) {hidePanel();}
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//hide pop when move component.
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public void ancestorMoved(AncestorEvent event) {
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hidePanel();
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}
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});
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}
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public void register(final JComponent showComponent) {
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this.showDate = showComponent;
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showComponent.setRequestFocusEnabled(true);
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showComponent.addMouseListener(new MouseAdapter() {
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public void mousePressed(MouseEvent me) {
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showComponent.requestFocusInWindow();
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}
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});
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this.add(showComponent);
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showComponent.addMouseListener(new MouseAdapter() {
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public void mouseEntered(MouseEvent me) {
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if (showComponent.isEnabled()) {
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showComponent.setCursor(new Cursor(Cursor.HAND_CURSOR));
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}
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}
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public void mouseExited(MouseEvent me) {
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if (showComponent.isEnabled()) {
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showComponent.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
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showComponent.setForeground(Color.BLACK);
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}
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}
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public void mousePressed(MouseEvent me) {
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if (showComponent.isEnabled()) {
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showComponent.setForeground(hoverColor);
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if (isShow) {
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hidePanel();
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} else {
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showPanel(showComponent);
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}
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}
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}
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public void mouseReleased(MouseEvent me) {
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if (showComponent.isEnabled()) {
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showComponent.setForeground(Color.BLACK);
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}
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}
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});
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showComponent.addFocusListener(new FocusListener() {
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public void focusLost(FocusEvent e) {
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hidePanel();
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}
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public void focusGained(FocusEvent e) { }
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});
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}
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//hide the main panel.
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private void hidePanel() {
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if (pop != null) {
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isShow = false;
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pop.hide();
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pop = null;
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}
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}
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//show the main panel.
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private void showPanel(Component owner) {
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if (pop != null) pop.hide();
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Point show = new Point(0, showDate.getHeight());
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SwingUtilities.convertPointToScreen(show, showDate);
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Dimension size = Toolkit.getDefaultToolkit().getScreenSize();
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int x = show.x;
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int y = show.y;
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if (x < 0) x = 0;
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if (x > size.width - 212) x = size.width - 212;
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if (y > size.height - 167) y -= 165;
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pop = PopupFactory.getSharedInstance().getPopup(owner, calendarPanel, x, y);
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pop.show();
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isShow = true;
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}
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// change text or label's content.
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private void commit() {
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if (showDate instanceof JTextField) {
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((JTextField) showDate).setText(sdf.format(calendar.getTime()));
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}else if (showDate instanceof JLabel) {
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((JLabel) showDate).setText(sdf.format(calendar.getTime()));
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}
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hidePanel();
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}
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// control panel
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private class TitlePanel extends JPanel {
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private static final long serialVersionUID = -2865282186037420798L;
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private JLabel preYear,preMonth,center,nextMonth,nextYear,centercontainer;
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public TitlePanel(){
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super(new java.awt.BorderLayout());
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this.setBackground(new java.awt.Color(190, 200, 200));
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initTitlePanel();
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}
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private void initTitlePanel(){
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preYear = new JLabel("<<", JLabel.CENTER);
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preMonth = new JLabel("<", JLabel.CENTER);
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center = new JLabel("", JLabel.CENTER);
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centercontainer = new JLabel("", JLabel.CENTER);
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nextMonth = new JLabel(">", JLabel.CENTER);
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nextYear = new JLabel(">>", JLabel.CENTER);
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preYear.setToolTipText("Last Year");
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preMonth.setToolTipText("Last Month");
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nextMonth.setToolTipText("Next Month");
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nextYear.setToolTipText("Next Year");
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preYear.setBorder(javax.swing.BorderFactory.createEmptyBorder(2, 10, 0, 0));
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preMonth.setBorder(javax.swing.BorderFactory.createEmptyBorder(2, 15, 0, 0));
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nextMonth.setBorder(javax.swing.BorderFactory.createEmptyBorder(2, 0, 0, 15));
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nextYear.setBorder(javax.swing.BorderFactory.createEmptyBorder(2, 0, 0, 10));
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centercontainer.setLayout(new java.awt.BorderLayout());
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centercontainer.add(preMonth,java.awt.BorderLayout.WEST);
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centercontainer.add(center,java.awt.BorderLayout.CENTER);
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centercontainer.add(nextMonth,java.awt.BorderLayout.EAST);
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this.add(preYear,java.awt.BorderLayout.WEST);
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this.add(centercontainer,java.awt.BorderLayout.CENTER);
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this.add(nextYear,java.awt.BorderLayout.EAST);
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this.setPreferredSize(new java.awt.Dimension(210, 25));
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updateDate();
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preYear.addMouseListener(new MyMouseAdapter(preYear, Calendar.YEAR, -1));
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preMonth.addMouseListener(new MyMouseAdapter(preMonth, Calendar.MONTH, -1));
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nextMonth.addMouseListener(new MyMouseAdapter(nextMonth, Calendar.MONTH, 1));
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nextYear.addMouseListener(new MyMouseAdapter(nextYear, Calendar.YEAR, 1));
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}
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private void updateDate() {
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center.setText(calendar.get(Calendar.YEAR)+"-"+(calendar.get(Calendar.MONTH) + 1));
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}
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// listener for control label.
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class MyMouseAdapter extends java.awt.event.MouseAdapter{
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JLabel label;
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private int type, value;
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public MyMouseAdapter(final JLabel label, final int type, final int value){
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this.label = label;
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this.type = type;
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this.value = value;
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}
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public void mouseEntered(java.awt.event.MouseEvent me) {
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label.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
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label.setForeground(hoverColor);
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}
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public void mouseExited(java.awt.event.MouseEvent me) {
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label.setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
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label.setForeground(java.awt.Color.BLACK);
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}
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public void mousePressed(java.awt.event.MouseEvent me) {
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calendar.add(type, value);
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label.setForeground(java.awt.Color.WHITE);
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refresh();
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}
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public void mouseReleased(java.awt.event.MouseEvent me) {
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label.setForeground(java.awt.Color.BLACK);
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}
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}
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}
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// body panel, include week labels and day labels.
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private class BodyPanel extends JPanel {
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private static final long serialVersionUID = 5677718768457235447L;
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public BodyPanel(){
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super(new GridLayout(7, 7));
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this.setPreferredSize(new java.awt.Dimension(210, 140));
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initMonthPanel();
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}
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private void initMonthPanel(){
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updateDate();
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}
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public void updateDate() {
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this.removeAll();
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lm.clear();
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java.util.Date temp = calendar.getTime();
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Calendar cal = Calendar.getInstance();
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cal.setTime(temp);
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cal.set(Calendar.DAY_OF_MONTH, 1);
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int index = cal.get(Calendar.DAY_OF_WEEK);
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if(index > defaultStartDAY) cal.add(Calendar.DAY_OF_MONTH, -index + defaultStartDAY);
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else cal.add(Calendar.DAY_OF_MONTH, -index + defaultStartDAY - 7);
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for (WeekLabel weekLabel : weekLabels) {
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this.add(weekLabel);
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}
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for (int i = 0; i < 42; i++) {
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cal.add(Calendar.DAY_OF_MONTH, 1);
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lm.addLabel(new DayLabel(cal));
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}
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for (DayLabel my : lm.getLabels()) {
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this.add(my);
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}
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}
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}
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private class FooterPanel extends JPanel {
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private static final long serialVersionUID = 8135037333899746736L;
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private JLabel dateLabel;
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public FooterPanel(){
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super(new BorderLayout());
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initFooterPanel();
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}
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private void initFooterPanel(){
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dateLabel = new JLabel("Today is : "+sdf.format(new java.util.Date()));
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dateLabel.addMouseListener(new MouseListener() {
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@Override
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public void mouseReleased(MouseEvent e) {}
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@Override
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public void mousePressed(MouseEvent e) {
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calendar.setTime(new Date());
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refresh();
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commit();
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}
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@Override
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public void mouseExited(MouseEvent e) {
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dateLabel.setForeground(Color.BLACK);
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}
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@Override
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public void mouseEntered(MouseEvent e) {
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dateLabel.setCursor(new Cursor(Cursor.HAND_CURSOR));
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dateLabel.setForeground(hoverColor);
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}
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@Override
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public void mouseClicked(MouseEvent e) {}
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});
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this.add(dateLabel);
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}
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public void updateDate(){};
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}
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//refresh all panel
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private void refresh() {
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titlePanel.updateDate();
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bodyPanel.updateDate();
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footerPanel.updateDate();
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SwingUtilities.updateComponentTreeUI(this);
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}
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private class WeekLabel extends JLabel {
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private static final long serialVersionUID = -8053965084432740110L;
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private String name;
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public WeekLabel(int index, String name){
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super(name, JLabel.CENTER);
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this.name = name;
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}
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public String toString(){
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return name;
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}
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}
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private class DayLabel extends JLabel implements java.util.Comparator<DayLabel>, java.awt.event.MouseListener, java.awt.event.MouseMotionListener {
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private static final long serialVersionUID = -6002103678554799020L;
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private boolean isSelected;
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private int year, month, day;
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public DayLabel(Calendar cal){
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super(""+cal.get(Calendar.DAY_OF_MONTH), JLabel.CENTER);
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this.year = cal.get(Calendar.YEAR);
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this.month = cal.get(Calendar.MONTH);
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this.day = cal.get(Calendar.DAY_OF_MONTH);
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this.setFont(font);
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this.addMouseListener(this);
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this.addMouseMotionListener(this);
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if(month == calendar.get(Calendar.MONTH)) this.setForeground(java.awt.Color.BLACK);
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else this.setForeground(java.awt.Color.LIGHT_GRAY);
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}
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public boolean getIsSelected() {
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return isSelected;
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}
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public void setSelected(boolean b, boolean isDrag) {
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isSelected = b;
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if (b && !isDrag) {
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int temp = calendar.get(Calendar.MONTH);
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calendar.set(year, month, day);
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if (temp == month) {
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SwingUtilities.updateComponentTreeUI(bodyPanel);
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} else {
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refresh();
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}
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this.repaint();
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}
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}
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@Override
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protected void paintComponent(Graphics g) {
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//set curr select day's background
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if(day == calendar.get(Calendar.DAY_OF_MONTH) && month == calendar.get(Calendar.MONTH)){
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g.setColor(new java.awt.Color(0xBB, 0xBF, 0xDA));
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g.fillRect(0, 0, getWidth(), getHeight());
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}
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//set current day's border
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if(year == now.get(Calendar.YEAR) && month == now.get(Calendar.MONTH) && day == now.get(Calendar.DAY_OF_MONTH)){
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Graphics2D gd = (Graphics2D) g;
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gd.setColor(new java.awt.Color(0x55, 0x55, 0x88));
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Polygon p = new Polygon();
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p.addPoint(0, 0);
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p.addPoint(getWidth() - 1, 0);
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p.addPoint(getWidth() - 1, getHeight() - 1);
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p.addPoint(0, getHeight() - 1);
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gd.drawPolygon(p);
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}
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if (isSelected){
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Stroke s = new BasicStroke(1.0f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_BEVEL, 1.0f, new float[] { 2.0f, 2.0f }, 1.0f);
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Graphics2D gd = (Graphics2D) g;
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gd.setStroke(s);
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gd.setColor(Color.BLACK);
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Polygon p = new Polygon();
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p.addPoint(0, 0);
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p.addPoint(getWidth() - 1, 0);
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p.addPoint(getWidth() - 1, getHeight() - 1);
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p.addPoint(0, getHeight() - 1);
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gd.drawPolygon(p);
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}
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super.paintComponent(g);
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}
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public boolean contains(Point p) {
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return this.getBounds().contains(p);
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}
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private void update() {
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repaint();
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}
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@Override
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public void mouseDragged(MouseEvent e) { }
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@Override
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public void mouseMoved(MouseEvent e) { }
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@Override
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public void mouseClicked(MouseEvent e) { }
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@Override
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public void mousePressed(MouseEvent e) {
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isSelected = true;
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update();
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}
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@Override
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public void mouseReleased(MouseEvent e) {
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Point p = SwingUtilities.convertPoint(this, e.getPoint(), bodyPanel);
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this.setForeground(Color.BLACK);
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lm.setSelect(p, false);
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commit();
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}
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@Override // change color when mouse over.
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public void mouseEntered(MouseEvent e) {
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this.setForeground(hoverColor);
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this.repaint();
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}
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@Override // change color when mouse exit.
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public void mouseExited(MouseEvent e) {
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if(month == calendar.get(Calendar.MONTH)) this.setForeground(java.awt.Color.BLACK);
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else this.setForeground(java.awt.Color.LIGHT_GRAY);
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this.repaint();
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}
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@Override
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public int compare(DayLabel o1, DayLabel o2) {
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Calendar c1 = Calendar.getInstance();
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c1.set(o1.year, o1.month, o1.day);
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Calendar c2 = Calendar.getInstance();
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c2.set(o2.year, o2.month, o2.day);
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return c1.compareTo(c2);
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}
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}
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private class LabelManager {
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private List<DayLabel> list;
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public LabelManager(){
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list = new ArrayList<Chooser.DayLabel>();
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}
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public List<DayLabel> getLabels(){
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return list;
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}
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public void addLabel(DayLabel label){
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list.add(label);
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}
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public void clear() {
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list.clear();
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}
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public void setSelect(Point p, boolean b) {
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if (b) {
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boolean findPrevious = false, findNext = false;
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for (DayLabel lab : list) {
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if (lab.contains(p)) {
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findNext = true;
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if (lab.getIsSelected()) findPrevious = true;
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else lab.setSelected(true, b);
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} else if (lab.getIsSelected()) {
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findPrevious = true;
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lab.setSelected(false, b);
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}
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if (findPrevious && findNext) return;
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}
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}else {
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DayLabel temp = null;
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for (DayLabel m : list) {
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if (m.contains(p)) {
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temp = m;
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} else if (m.getIsSelected()) {
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m.setSelected(false, b);
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}
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}
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if (temp != null) temp.setSelected(true, b);
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}
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}
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}
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/**
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* 测试
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*/
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public static void main(String[] args) {
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JFrame jf = new JFrame("Date Picker Test");
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jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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jf.setLayout(null);
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jf.setBounds(400, 200, 600, 400);
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Chooser ser = Chooser.getInstance();
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javax.swing.JTextField text = new JTextField();
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text.setBounds(10, 10, 200, 30);
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text.setText("sada");
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ser.register(text);
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// JPanel cp_centerPanel = new JPanel();
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// cp_centerPanel.add(ser);
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// Component[] components = cp_centerPanel.getComponents();
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// String text2 = ((Chooser)components[0]).get;
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// System.out.println(text2);
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jf.add(text);
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// jf.add(label);
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jf.setVisible(true);
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}
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}
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