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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