Area Calculation - Java Swing - JInternalFrame, JMenu Example - NetBeans - Internet & Web Programming Lab


Java Swing - JInternalFrame, JMenu Example 
Area Calculation 
NetBeans - Internet & Web Programming Lab

Design:





Source code:

/*
 * sw12.java
 *
 * Created on 19 Oct, 2011, 3:54:50 PM
 */

package swingexamples;

import javax.swing.JDesktopPane;

/**
 *
 * @author gcecse
 */
public class sw12 extends javax.swing.JFrame {

    /** Creates new form sw12 */
    public sw12() {
        initComponents();
        add(jInternalFrame1);
        jInternalFrame1.setSize(400, 400);
        jInternalFrame1.hide();
        add(jInternalFrame2);
        jInternalFrame2.setSize(400,400);
        jInternalFrame2.hide();
    }

    /** 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() {

        jInternalFrame1 = new javax.swing.JInternalFrame();
        jLabel1 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jLabel8 = new javax.swing.JLabel();
        jInternalFrame2 = new javax.swing.JInternalFrame();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jLabel6 = new javax.swing.JLabel();
        jTextField2 = new javax.swing.JTextField();
        jTextField3 = new javax.swing.JTextField();
        jLabel7 = new javax.swing.JLabel();
        jButton3 = new javax.swing.JButton();
        jButton4 = new javax.swing.JButton();
        jLabel3 = new javax.swing.JLabel();
        jMenuBar1 = new javax.swing.JMenuBar();
        jMenu1 = new javax.swing.JMenu();
        jMenuItem1 = new javax.swing.JMenuItem();
        jMenuItem2 = new javax.swing.JMenuItem();

        jInternalFrame1.setClosable(true);
        jInternalFrame1.setIconifiable(true);
        jInternalFrame1.setMaximizable(true);
        jInternalFrame1.setResizable(true);
        jInternalFrame1.setTitle("Circle Area");
        jInternalFrame1.setVisible(true);

        jLabel1.setText("Enter the radius:");

        jButton1.setText("Calculate");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("Clear");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        jLabel8.setText("Circle");

        javax.swing.GroupLayout jInternalFrame1Layout = new javax.swing.GroupLayout(jInternalFrame1.getContentPane());
        jInternalFrame1.getContentPane().setLayout(jInternalFrame1Layout);
        jInternalFrame1Layout.setHorizontalGroup(
            jInternalFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jInternalFrame1Layout.createSequentialGroup()
                .addGroup(jInternalFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jInternalFrame1Layout.createSequentialGroup()
                        .addGap(148, 148, 148)
                        .addComponent(jLabel2))
                    .addGroup(jInternalFrame1Layout.createSequentialGroup()
                        .addGap(71, 71, 71)
                        .addGroup(jInternalFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(jInternalFrame1Layout.createSequentialGroup()
                                .addComponent(jButton1)
                                .addGap(79, 79, 79)
                                .addComponent(jButton2))
                            .addGroup(jInternalFrame1Layout.createSequentialGroup()
                                .addGroup(jInternalFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                    .addComponent(jLabel8)
                                    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 138, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 91, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                .addContainerGap(93, Short.MAX_VALUE))
        );
        jInternalFrame1Layout.setVerticalGroup(
            jInternalFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jInternalFrame1Layout.createSequentialGroup()
                .addGap(22, 22, 22)
                .addComponent(jLabel8)
                .addGap(34, 34, 34)
                .addGroup(jInternalFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addComponent(jLabel2)
                .addGap(52, 52, 52)
                .addGroup(jInternalFrame1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton1)
                    .addComponent(jButton2))
                .addContainerGap(151, Short.MAX_VALUE))
        );

        jInternalFrame2.setClosable(true);
        jInternalFrame2.setIconifiable(true);
        jInternalFrame2.setMaximizable(true);
        jInternalFrame2.setResizable(true);
        jInternalFrame2.setTitle("Rectangle Area");
        jInternalFrame2.setVisible(true);

        jLabel4.setText("Rectangle");

        jLabel5.setText("Length");

        jLabel6.setText("Breadth");

        jTextField3.setText(" ");

        jButton3.setText("Calculate");
        jButton3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton3ActionPerformed(evt);
            }
        });

        jButton4.setText("Clear");
        jButton4.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton4ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jInternalFrame2Layout = new javax.swing.GroupLayout(jInternalFrame2.getContentPane());
        jInternalFrame2.getContentPane().setLayout(jInternalFrame2Layout);
        jInternalFrame2Layout.setHorizontalGroup(
            jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jInternalFrame2Layout.createSequentialGroup()
                .addGroup(jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jInternalFrame2Layout.createSequentialGroup()
                        .addGap(173, 173, 173)
                        .addComponent(jLabel4))
                    .addGroup(jInternalFrame2Layout.createSequentialGroup()
                        .addGap(85, 85, 85)
                        .addGroup(jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                .addComponent(jLabel5)
                                .addComponent(jButton3, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.PREFERRED_SIZE, 111, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addComponent(jLabel6))
                        .addGap(27, 27, 27)
                        .addGroup(jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                .addComponent(jTextField3)
                                .addComponent(jTextField2, javax.swing.GroupLayout.DEFAULT_SIZE, 112, Short.MAX_VALUE))
                            .addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 118, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addGroup(jInternalFrame2Layout.createSequentialGroup()
                        .addGap(186, 186, 186)
                        .addComponent(jLabel7)))
                .addContainerGap(117, Short.MAX_VALUE))
        );
        jInternalFrame2Layout.setVerticalGroup(
            jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jInternalFrame2Layout.createSequentialGroup()
                .addGap(24, 24, 24)
                .addComponent(jLabel4)
                .addGap(49, 49, 49)
                .addGroup(jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel5)
                    .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(39, 39, 39)
                .addGroup(jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel6))
                .addGap(36, 36, 36)
                .addComponent(jLabel7)
                .addGap(31, 31, 31)
                .addGroup(jInternalFrame2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton3)
                    .addComponent(jButton4))
                .addContainerGap(76, Short.MAX_VALUE))
        );

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Area Calculation");

        jLabel3.setFont(new java.awt.Font("DejaVu Sans", 1, 24)); // NOI18N
        jLabel3.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        jLabel3.setText("JInternal Frame Demonstration");

        jMenuBar1.setBorder(javax.swing.BorderFactory.createEtchedBorder(javax.swing.border.EtchedBorder.RAISED, java.awt.Color.pink, null));

        jMenu1.setBorder(null);
        jMenu1.setText("Select Shape");

        jMenuItem1.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_C, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem1.setMnemonic('C');
        jMenuItem1.setText("Circle");
        jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem1ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem1);

        jMenuItem2.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_R, java.awt.event.InputEvent.CTRL_MASK));
        jMenuItem2.setMnemonic('r');
        jMenuItem2.setText("Rectangle");
        jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem2ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem2);

        jMenuBar1.add(jMenu1);

        setJMenuBar(jMenuBar1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap(31, Short.MAX_VALUE)
                .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 574, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(73, 73, 73))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(171, 171, 171)
                .addComponent(jLabel3)
                .addContainerGap(195, Short.MAX_VALUE))
        );

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

    private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {                                           
        // TODO add your handling code here:
        this.remove(jLabel3);
        jInternalFrame1.show();
    }                                          

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        float rd= Float.parseFloat(jTextField1.getText().trim());
        double area= 3.14*rd*rd;
        jLabel2.setText("Area "+Double.toString(area));
        
    }                                        

    private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        this.remove(jLabel3);
        jInternalFrame2.show();
    }

    private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        float len = Float.parseFloat(jTextField2.getText().trim());
         float br = Float.parseFloat(jTextField3.getText().trim());
        double area=len*br;
        jLabel7.setText("Area "+Double.toString(area));
    }

    private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        jTextField2.setText("");
        jTextField3.setText("");
        jLabel7.setText("");
        
    }

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        jTextField1.setText("");
        jLabel2.setText("");
    }

    /**
    * @param args the command line arguments
    */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new sw12().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.JButton jButton4;
    private javax.swing.JInternalFrame jInternalFrame1;
    private javax.swing.JInternalFrame jInternalFrame2;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JLabel jLabel7;
    private javax.swing.JLabel jLabel8;
    private javax.swing.JMenu jMenu1;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JMenuItem jMenuItem1;
    private javax.swing.JMenuItem jMenuItem2;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    private javax.swing.JTextField jTextField3;
    // End of variables declaration

}


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