ChooseDate日历

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

import javax.swing.BorderFactory;
import javax.swing.ButtonGroup;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.JToggleButton;

import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.JSpinner;
import javax.swing.SpinnerListModel;
import javax.swing.SpinnerNumberModel;

import oracle.jdeveloper.layout.BoxLayout2;

public class ChooseDate extends JPanel
{
  JToggleButton days_jToggleBtn[] = new JToggleButton[42];

  GregorianCalendar gc=new GregorianCalendar();
  int totdays;

  private BorderLayout borderLayout1 = new BorderLayout();
  private JPanel jPanel1 = new JPanel(new BorderLayout());
  private JPanel jPanel2 = new JPanel(new BorderLayout());
  private JPanel jPanel3 = new JPanel(new BoxLayout2());
  private JPanel jPanel4 = new JPanel(new GridLayout(1,7));
  private JPanel jPanel5 = new JPanel(new FlowLayout());
  private JPanel jPanel6 = new JPanel(new FlowLayout());
  private JPanel jPanel7 = new JPanel(new FlowLayout());
  private JPanel jPanel8 = new JPanel(new FlowLayout());
  private JPanel jPanel9 = new JPanel(new FlowLayout());
  private JPanel jPanel10 = new JPanel(new FlowLayout());
  private JPanel jPanel11 = new JPanel(new FlowLayout());
  private JPanel jPanel12 = new JPanel(new FlowLayout());
  private JPanel jPanel13 = new JPanel(new FlowLayout());
 
 
  private JPanel Days_jPanel = new JPanel(new GridLayout(6,7)); 
 
  //Calendar rightNow; 
  private int year;
  private int month;
  private int day; 
 
  private JLabel jLabel1 = new JLabel();
  private JLabel jLabel2 = new JLabel();   
  private JLabel jLabel3 = new JLabel();
  private JLabel jLabel4 = new JLabel();
  private JLabel jLabel5 = new JLabel();
  private JLabel jLabel6 = new JLabel();
  private JLabel jLabel7 = new JLabel();
  private JLabel jLabel8 = new JLabel();
  private JLabel jLabel9 = new JLabel();

  private JSpinner Month_choice;
  private JSpinner Year_choice;
  private JPanel jPanel17 = new JPanel();
  private JPanel jPanel18 = new JPanel();
  public JTextField date_jTextField = new JTextField();
  private BorderLayout borderLayout2 = new BorderLayout();
  private JLabel jLabel10 = new JLabel();
 
  private static int numOfMonths = 12;
  private static int numOfYearsShown = 21;
  private Integer[] monthValues = new Integer[numOfMonths];
  private Integer[] yearValues = new Integer[numOfYearsShown];
 
  public ChooseDate() {
    //super("selected date",true,true);
    //this.setFrameIcon(MainFrame.getImage("title2"));
    //setVisible(false);
    //setResizable(false);
    //setLocation(200,140);
    setSize(356,260);
   
    for(int i=0;i<12;i++)
    {
      monthValues[i] = new Integer(i+1);
    }
     
    Calendar rightNow = Calendar.getInstance();
    year=rightNow.get(Calendar.YEAR);
    month=rightNow.get(Calendar.MONTH)+1;
    Month_choice = new JSpinner(new SpinnerListModel(monthValues));
    Month_choice.setPreferredSize(new Dimension(40,24));
    day=rightNow.get(Calendar.DATE);
    setYear(year,month,day);
    Month_choice.addChangeListener(new myLis(this));
    Year_choice.addChangeListener(new myLis(this));
   
//   
    ButtonGroup bgroup1=new ButtonGroup();  
    for(int i=0;i<42;i++)
    {
      days_jToggleBtn[i]=new JToggleButton("");
      Days_jPanel.add(days_jToggleBtn[i]);          
      bgroup1.add(days_jToggleBtn[i]);     
    }
    //Day_choice.addItemListener(new myLis(this));
   
    int selMonth=((Integer)this.Month_choice.getValue()).intValue()-1;
    int selYear1=((Integer)Year_choice.getValue()).intValue();
    int selYear = selYear1- 1900;
    Date d1 = new Date(selYear,selMonth,1);
    int day = d1.getDay();
    this.setVal(d1,day,selMonth,selYear);
    days_jToggleBtn[rightNow.get(Calendar.DATE)+day-1].setSelected(true);
    setLabelName();  

    try
    {
      rightNow = sys.getNow();
      jbInit();

    }
    catch(Exception e)
    {
      e.printStackTrace();
    }   
      setVisible(true); 
  }

  private void jbInit() throws Exception
  {

    //this.setTitle("ChooseDate");
   
    this.setLayout(borderLayout1);
   
    jPanel3.setBorder(BorderFactory.createLineBorder(Color.blue, 1));
    jPanel4.setBorder(BorderFactory.createLineBorder(Color.blue, 1));
    Days_jPanel.setBorder(BorderFactory.createLineBorder(Color.blue, 1));
    jLabel1.setPreferredSize(new Dimension(35, 25));
    jLabel2.setPreferredSize(new Dimension(30, 25));
   

    Month_choice.setSize(new Dimension(70, 20));
    Month_choice.addChangeListener(new ChangeListener()
      {
        public void stateChanged(ChangeEvent e)
        {
          Month_choice_itemStateChanged(e);
        }
      });
    Year_choice.addChangeListener(new ChangeListener()
      {
        public void stateChanged(ChangeEvent e)
        {
          Year_choice_itemStateChanged(e);
        }
      });
    jPanel17.setPreferredSize(new Dimension(142, 30));
    jPanel18.setLayout(borderLayout2);
    date_jTextField.setPreferredSize(new Dimension(87, 22));
    date_jTextField.setFocusable(false);
    jLabel10.setPreferredSize(new Dimension(30, 25));

    jPanel3.add(jPanel6, null);
    jPanel3.add(jPanel5, null);
    jPanel18.add(date_jTextField, BorderLayout.NORTH);
    jPanel17.add(jLabel10, null);
    jPanel17.add(jPanel18, null);
    jPanel3.add(jPanel17, null);
    jPanel5.add(jLabel1, null);
    jPanel5.add(Month_choice, null);
    jPanel6.add(jLabel2, null);
    jPanel6.add(Year_choice, null);
   
   
    jPanel1.add(jPanel3, BorderLayout.NORTH);
    jPanel7.add(jLabel3, null);
    jPanel4.add(jPanel7, null);
    jPanel8.add(jLabel4, null);
    jPanel4.add(jPanel8, null);
    jPanel9.add(jLabel5, null);
    jPanel4.add(jPanel9, null);
    jPanel10.add(jLabel6, null);
    jPanel4.add(jPanel10, null);
    jPanel11.add(jLabel7, null);
    jPanel4.add(jPanel11, null);
    jPanel12.add(jLabel8, null);
    jPanel4.add(jPanel12, null);
    jPanel13.add(jLabel9, null);
    jPanel4.add(jPanel13, null);
    jPanel1.add(jPanel4, BorderLayout.CENTER);

    jPanel2.add(Days_jPanel, BorderLayout.CENTER);
   
    this.add(jPanel1, BorderLayout.NORTH);   
    this.add(jPanel2, BorderLayout.CENTER);
  }
 
  class myLis implements ChangeListener
  {
    ChooseDate calLis;
    public myLis(ChooseDate c)
    {
      calLis=c;
    }
    public void stateChanged(ChangeEvent i)
    {
      int selMonth=((Integer)calLis.Month_choice.getValue()).intValue()-1;
      int selYear1=((Integer)calLis.Year_choice.getValue()).intValue(); /////////////
      int selYear = selYear1- 1900;
      Date d1 = new Date(selYear,selMonth,1);
      int day = d1.getDay();
      calLis.setVal(d1,day,selMonth,selYear);
      days_jToggleBtn[day].setSelected(true);
    }
  }

  void setVal(Date date,int iday,int iselMonth,int iselYear)
  {
    gc.setTime(date);
    if(iselMonth==0 || iselMonth==2 || iselMonth==4 || iselMonth==6 || iselMonth== 7 ||iselMonth==9 || iselMonth==11)
    {
      totdays=31;
      setButtons(iday,totdays);
    }

    if(iselMonth==3 || iselMonth==5 || iselMonth==8 || iselMonth==10)
    {
      totdays=30;
      setButtons(iday,totdays);
    }

    if(gc.isLeapYear(iselYear) && iselMonth==1)
    {
      totdays=29;
      setButtons(iday,totdays);
    }
   
    if( !gc.isLeapYear(iselYear) && iselMonth==1)
    {
      totdays=28;
      setButtons(iday,totdays);
    }
  }

  void setYear(int currentyear,int currentmonth,int currentday)
  {
    for(int i = 0, adder=currentyear-10; adder<=currentyear+10; i++,adder++)
    {
      yearValues[i] = new Integer(adder);
    }
    Year_choice = new JSpinner(new SpinnerListModel(yearValues));
    Year_choice.setValue(new Integer(currentyear));
    Month_choice.setValue(new Integer(currentmonth));
    date_jTextField.setText(" "+currentyear+" / "+currentmonth+" / "+currentday);
  }
 
  void setButtons(int myday,int mytotdays)
  {
    int count=0;

    if ( myday>0)
    {
      int blank= myday;
      for( ;blank>0;blank--,count++)
      {
        days_jToggleBtn[count].setText("");
        days_jToggleBtn[count].setEnabled(false);    
        days_jToggleBtn[count].setSelected(false);
      }
    }
   
    //Day_choice.removeAll();
    for(int i=1;i<=mytotdays; i++,count++)
    {
      days_jToggleBtn[count].setText(""+i);
      days_jToggleBtn[count].setEnabled(true);
      days_jToggleBtn[count].addActionListener(new ActionListener()
      {
        public void actionPerformed(ActionEvent e)
        {
          Day_jToggleButton_actionPerformed(e);
        }
      });     
      days_jToggleBtn[count].addChangeListener(new ChangeListener()
      {
        public void stateChanged(ChangeEvent e)
        {
          JToggleButton jtb = (JToggleButton)e.getSource();
          jtb.setBackground(jtb.isSelected() ? new Color(51, 204, 244) : null);
        }
      });
    }
    for(int j = 1;count < 42; j++,count++)
    {
      days_jToggleBtn[count].setText("");
      days_jToggleBtn[count].setEnabled(false); 
      days_jToggleBtn[count].setSelected(false);
    }
    //Day_choice.select(0);
  //  days_jToggleBtn[Day_choice.getSelectedIndex()+1].setSelected(true);
  }
  
  private void setLabelName()
  {
    jLabel1.setText(sys.getApplictionLabel("Calendar","month","Month"));
    jLabel2.setText(sys.getApplictionLabel("Calendar","year","Year"));
    jLabel10.setText(sys.getApplictionLabel("Calendar","date","Date"));
    jLabel4.setText(sys.getApplictionLabel("Calendar","mon","MON"));
    jLabel5.setText(sys.getApplictionLabel("Calendar","tue","TUE"));
    jLabel6.setText(sys.getApplictionLabel("Calendar","wed","WED"));
    jLabel7.setText(sys.getApplictionLabel("Calendar","thur","THUR"));
    jLabel8.setText(sys.getApplictionLabel("Calendar","fri","FRI"));
    jLabel9.setText(sys.getApplictionLabel("Calendar","sat","SAT"));
    jLabel3.setText(sys.getApplictionLabel("Calendar","sun","SUN"));
  }
 
  public String getDate(){
    if (year != 0 && month != 0 && day != 0)
      return String.valueOf(year)+"/"+String.valueOf(month)+"/"+String.valueOf(day);
    return "";
  }
  /*
   if(table != null){
        ((TableDataModel)table.getModel()).setValueAt(date,curRow, curCol);
        table.removeEditor();
      }
      if(textfield != null)
        textfield.setText(date);
      if(txtdatefield != null)
        txtdatefield.setValue(txtdatefield.toDate(date));
   */ 
 
  private void Day_jToggleButton_actionPerformed(ActionEvent e)
  {
    int count=0;
    for(int j = 1;count < 42; j++,count++)
    {
      days_jToggleBtn[count].setBackground(null);
      if (days_jToggleBtn[count].isSelected())
      {
          day=Integer.parseInt( days_jToggleBtn[count].getText());
          date_jTextField.setText(" "+year+" / "+month+" / "+day);
      }         
    } 
   
  }

  private void Year_choice_itemStateChanged(ChangeEvent e)
  {
    year=((Integer)Year_choice.getValue()).intValue();
    day=1;
    date_jTextField.setText(" "+year+" / "+month+" / "+day);
  }

  private void Month_choice_itemStateChanged(ChangeEvent e)
  {
    month=((Integer)Month_choice.getValue()).intValue();
    day=1;
    date_jTextField.setText(" "+year+" / "+month+" / "+day);
  }

}