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bhagirath singh
attach a calendar in java
2 Answer(s)      4 years ago
Posted in : Java Beginners


how i attach a calendar near the box of date of birth in application form of java


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November 10, 2010 at 2:43 PM


Hello Friend,

Try the following code:

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class DatePicker{
  int month = java.util.Calendar.getInstance().get(java.util.Calendar.MONTH);
  int year = java.util.Calendar.getInstance().get(java.util.Calendar.YEAR);;
  JLabel l = new JLabel("",JLabel.CENTER);
  String day = "";
  JDialog d;
  JButton[] button = new JButton[49];
  public DatePicker(JFrame parent){
   d = new JDialog();
   d.setModal(true);
   String[] header = {"Sun","Mon","Tue","Wed","Thur","Fri","Sat"};
   JPanel p1 = new JPanel(new GridLayout(7,7));
  p1.setPreferredSize(new Dimension(430,120));

   for(int x = 0; x < button.length; x++){
      final int selection = x;
      button[x] = new JButton();
      button[x].setFocusPainted(false);
      button[x].setBackground(Color.white);
      if(x>6)button[x].addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent ae){
        day = button[selection].getActionCommand();
        d.dispose();
        }});
      if(x < 7){
      button[x].setText(header[x]);
      button[x].setForeground(Color.red);
      }
       p1.add(button[x]);
    }
    JPanel p2 = new JPanel(new GridLayout(1,3));
    JButton previous = new JButton("<< Previous");
    previous.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent ae){
      month--;
      displayDate();}});
    p2.add(previous);
    p2.add(l);
    JButton next = new JButton("Next >>");
    next.addActionListener(new ActionListener(){
    public void actionPerformed(ActionEvent ae){
    month++;
    displayDate();
    }
    });
    p2.add(next);
    d.add(p1,BorderLayout.CENTER);
    d.add(p2,BorderLayout.SOUTH);
    d.pack();
    d.setLocationRelativeTo(parent);
    displayDate();
    d.setVisible(true);
   }
  public void displayDate(){
    for(int x = 7; x < button.length; x++) button[x].setText("");
    java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("MMMM yyyy");
    java.util.Calendar cal = java.util.Calendar.getInstance();
    cal.set(year,month,1);
    int dayOfWeek = cal.get(java.util.Calendar.DAY_OF_WEEK);
    int daysInMonth = cal.getActualMaximum(java.util.Calendar.DAY_OF_MONTH);
    for(int x = 6+dayOfWeek,day = 1; day <= daysInMonth; x++,day++) button[x].setText(""+day);
    l.setText(sdf.format(cal.getTime()));
   d.setTitle("Date Picker");
  }
  public String setPickedDate() {
   if(day.equals("")) return day;
      java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("dd-MM-yyyy");
      java.util.Calendar cal = java.util.Calendar.getInstance();
      cal.set(year,month,Integer.parseInt(day));
      return sdf.format(cal.getTime());
   }
  }
class Picker{
    public static void main(String[] args){
    JLabel label = new JLabel("Selected Date:");
    final JTextField text = new JTextField(20);
    JButton b = new JButton("popup");
    JPanel p = new JPanel();
    p.add(label);
    p.add(text);
    p.add(b);
    final JFrame f = new JFrame();
    f.getContentPane().add(p);
    f.pack();
    f.setVisible(true);
    b.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent ae){
        text.setText(new DatePicker(f).setPickedDate());
      }
    });
   }
}

Thanks



November 21, 2012 at 5:30 PM


you can even try this .......But you need to have a jar file to execute this...if you need them i will forward it to your mail

import com.qt.datapicker.DatePicker; import java.util.Calendar; import java.util.Locale; import java.util.Observable; import java.util.Observer; import javax.swing.JOptionPane; import javax.swing.JTextField; import javax.swing.text.JTextComponent;

/* * To change this template, choose Tools | Templates * and open the template in the editor. */

/** * * @author GB15 */ public class ob extends javax.swing.JFrame {

 static Locale locale;
   ObservingTextField textField1;

/**
 * Creates new form ob
 */
public ob() {

    initComponents();
     textField1 = new ObservingTextField();
    textField1.setColumns(1);
    textField1.setText("");
    textField1.setToolTipText("This is a text field that implments Observer interface.");
    textField1.setFont(new java.awt.Font("Agency FB", 1, 18)); // NOI18N
    textField1.setForeground(new java.awt.Color(255, 0, 0));
    textField1.setBounds(140, 30, 140, 50);
    this.add(textField1);
}

/**
 * This method is called from within the constructor to initialize the form.
 * WARNING: Do NOT modify this code. The content of this method is always
 * regenerated by the Form Editor.
 */
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">                          
private void initComponents() {

    jLabel1 = new javax.swing.JLabel();
    jButton1 = new javax.swing.JButton();
    jButton2 = new javax.swing.JButton();
    jButton3 = new javax.swing.JButton();

    setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
    setMinimumSize(new java.awt.Dimension(500, 460));
    getContentPane().setLayout(null);

    jLabel1.setText("OPENING BALANCE ");
    getContentPane().add(jLabel1);
    jLabel1.setBounds(10, 40, 130, 30);

    jButton1.setText("SELECT DATE");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(java.awt.event.ActionEvent evt) {
            jButton1ActionPerformed(evt);
        }
    });
    getContentPane().add(jButton1);
    jButton1.setBounds(310, 30, 130, 50);

    jButton2.setText("OK");
    jButton2.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(java.awt.event.ActionEvent evt) {
            jButton2ActionPerformed(evt);
        }
    });
    getContentPane().add(jButton2);
    jButton2.setBounds(90, 220, 80, 30);

    jButton3.setText("EXIT");
    jButton3.addActionListener(new java.awt.event.ActionListener() {
        public void actionPerformed(java.awt.event.ActionEvent evt) {
            jButton3ActionPerformed(evt);
        }
    });
    getContentPane().add(jButton3);
    jButton3.setBounds(240, 220, 80, 30);

    pack();
}// </editor-fold>                        

private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {                                         
    // TODO add your handling code here:
    System.exit(0);
}                                        

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {                                         
    // TODO add your handling code here:



    new ob1();

    //this.dispose();
}                                        

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
    // TODO add your handling code here:

   DatePicker dp;
    dp = new DatePicker(textField1, locale);

    // previously selected date
    java.util.Date selectedDate = dp.parseDate(textField1.getText());

    dp.setSelectedDate(selectedDate);
    dp.start(textField1);
    String s = textField1.getText();
    System.out.println(s);
}                                        

/**
 * @param args the command line arguments
 */
public static void main(String args[]) throws ClassNotFoundException, InstantiationException{
    /* Set the Nimbus look and feel */
    //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
    /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
     * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
     */
    try {
        for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
            if ("Nimbus".equals(info.getName())) {
                javax.swing.UIManager.setLookAndFeel(info.getClassName());
                break;
            }
        }
    } catch (ClassNotFoundException ex) {
        java.util.logging.Logger.getLogger(ob.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (InstantiationException ex) {
        java.util.logging.Logger.getLogger(ob.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (IllegalAccessException ex) {
        java.util.logging.Logger.getLogger(ob.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    } catch (javax.swing.UnsupportedLookAndFeelException ex) {
        java.util.logging.Logger.getLogger(ob.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
    }
    //</editor-fold>

    /* Create and display the form */
    String lang = null;
        if (args.length > 0) {
            lang = args[0];
        }
        locale = getLocale(lang);



    java.awt.EventQueue.invokeLater(new Runnable() {
        public void run() {
            new ob().setVisible(true);
        }
    });
}
// Variables declaration - do not modify                     
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JLabel jLabel1;
// End of variables declaration                   

private static Locale getLocale(String loc) {
    if (loc != null && loc.length() > 0) {
        return new Locale(loc);
    } else {
        return Locale.US;
    }
}

class ObservingTextField extends JTextField implements Observer {

public void update(Observable o, Object arg) {
    Calendar calendar = (Calendar) arg;
    com.qt.datapicker.DatePicker dp = (com.qt.datapicker.DatePicker) o;
    System.out.println("picked=" + dp.formatDate(new java.util.Date()));
    setText(dp.formatDate(calendar));


    // s=textField.getText();
    //System.out.println(s);
}

}

}



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