Java Swing Examples: Transfer Data Between JLists
NetBeans - Internet & Web Programming Lab
Design:
Sourcecode:
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
/*
* sw3.java
*
* Created on 22 Nov, 2011, 4:21:10 PM
*/
package swing;
import javax.swing.DefaultListModel;
import javax.swing.JOptionPane;
/**
*
* @author student
*/
public class sw3 extends javax.swing.JFrame {
DefaultListModel dm1,dm2;
/** Creates new form sw3 */
public sw3() {
initComponents();
jList1.setModel(dm1=new DefaultListModel());
jList2.setModel(dm2=new DefaultListModel());
dm1.addElement("Nidheesh");
dm1.addElement("Hunaif");
dm1.addElement("Adarsh");
dm1.addElement("Mirosha");
dm1.addElement("Jamsheena");
dm1.addElement("Anamika");
}
/** 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">//GEN-BEGIN:initComponents
private void initComponents() {
jScrollPane1 = new javax.swing.JScrollPane();
jList1 = new javax.swing.JList();
jScrollPane2 = new javax.swing.JScrollPane();
jList2 = new javax.swing.JList();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jButton4 = new javax.swing.JButton();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jList1.setModel(new javax.swing.AbstractListModel() {
String[] strings = { "1", "2", "3" };
public int getSize() { return strings.length; }
public Object getElementAt(int i) { return strings[i]; }
});
jScrollPane1.setViewportView(jList1);
jScrollPane2.setViewportView(jList2);
jButton1.setText("<");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText(">");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jButton3.setText("<<");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
jButton4.setText(">>");
jButton4.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton4ActionPerformed(evt);
}
});
jLabel1.setText("JList 1");
jLabel2.setText("JList 2");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(30, 30, 30)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 145, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(28, 28, 28)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addComponent(jButton2, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 49, Short.MAX_VALUE)
.addComponent(jButton3, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton4, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.DEFAULT_SIZE, 41, Short.MAX_VALUE))
.addGap(34, 34, 34)
.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 145, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(layout.createSequentialGroup()
.addGap(76, 76, 76)
.addComponent(jLabel1)
.addGap(222, 222, 222)
.addComponent(jLabel2)))
.addContainerGap(37, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(35, 35, 35)
.addComponent(jLabel2)
.addGap(18, 18, 18)
.addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 206, Short.MAX_VALUE)
.addGap(49, 49, 49))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(29, Short.MAX_VALUE)
.addComponent(jLabel1)
.addGap(26, 26, 26)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 48, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 44, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(3, 3, 3)
.addComponent(jButton4, javax.swing.GroupLayout.PREFERRED_SIZE, 49, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 196, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(47, 47, 47))
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
// TODO add your handling code here:
Object[] temp = jList1.getSelectedValues();
if(temp.length>1)
JOptionPane.showMessageDialog(rootPane, "Please select only one item...");
else if(temp.length<1)
JOptionPane.showMessageDialog(rootPane, "Please select an item...");
else
{
dm2.addElement(temp[0]);
dm1.removeElement(temp[0]);
}
}//GEN-LAST:event_jButton2ActionPerformed
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
// TODO add your handling code here:
Object[] temp = jList2.getSelectedValues();
if(temp.length>1)
JOptionPane.showMessageDialog(rootPane, "Please select only one item...");
else if(temp.length<1)
JOptionPane.showMessageDialog(rootPane, "Please select an item...");
else{
dm1.addElement(temp[0]);
dm2.removeElement(temp[0]);
}
}//GEN-LAST:event_jButton1ActionPerformed
private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton4ActionPerformed
// TODO add your handling code here:
Object[] temp = jList1.getSelectedValues();
if(temp.length<1)
JOptionPane.showMessageDialog(rootPane, "Please select an item...");
else{
for(int i=0;i<temp.length;i++)
{
dm2.addElement(temp[i]);
dm1.removeElement(temp[i]);
}
}
}//GEN-LAST:event_jButton4ActionPerformed
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
// TODO add your handling code here:
Object[] temp = jList2.getSelectedValues();
if(temp.length<1)
JOptionPane.showMessageDialog(rootPane, "Please select an item...");
else{
for(int i=0;i<temp.length;i++)
{
dm1.addElement(temp[i]);
dm2.removeElement(temp[i]);
}}
}//GEN-LAST:event_jButton3ActionPerformed
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* 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(sw3.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(sw3.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(sw3.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(sw3.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new sw3().setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JButton jButton4;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JList jList1;
private javax.swing.JList jList2;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JScrollPane jScrollPane2;
// End of variables declaration//GEN-END:variables
}
thanks a lot!! It's very helping me to finish my project! :)
ReplyDeleteGreat and Useful Article.
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