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| package javaapplication11;
import java.util.LinkedList;
import java.util.List;
import javax.swing.JOptionPane;
/**
* @author user
*/
public class NewJFrame extends javax.swing.JFrame {
/** Creates new form NewJFrame */
public NewJFrame() {
initComponents();
}
/** 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() {
jButton1 = new javax.swing.JButton();
jComboBox1 = new javax.swing.JComboBox();
jScrollPane1 = new javax.swing.JScrollPane();
jList1 = new javax.swing.JList();
jTextField1 = new javax.swing.JTextField();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jButton1.setText("Valider");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jComboBox1.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "Ajouter", "supprimer", "modifier" }));
jScrollPane1.setViewportView(jList1);
jTextField1.setText("jTextField1");
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()
.addGap(54, 54, 54)
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 74, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 81, Short.MAX_VALUE)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jTextField1)
.addComponent(jComboBox1, 0, 136, Short.MAX_VALUE))
.addGap(55, 55, 55))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap(239, Short.MAX_VALUE)
.addComponent(jButton1)
.addGap(96, 96, 96))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(javax.swing.GroupLayout.Alignment.LEADING, layout.createSequentialGroup()
.addGap(82, 82, 82)
.addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 49, Short.MAX_VALUE)
.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(26, 26, 26)
.addComponent(jButton1)
.addGap(80, 80, 80))
);
pack();
}// </editor-fold>
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
if(jComboBox1.getSelectedIndex()==0) // si le choix de la JCombo est Ajouter
{
String selected = jTextField1.getText();
if(strings.contains(selected)){
JOptionPane.showMessageDialog(null, "l'élément que vs tenter d'ajouter existe déja!!");
}
else
{
//
// je dois d'abord ajouter l'élément à une Hashtable
//
strings.add(selected);
jList1.setModel(new javax.swing.AbstractListModel() {
public int getSize() { return strings.size(); }
public Object getElementAt(int i) { return strings.get(i); }
});
}
}
if(jComboBox1.getSelectedIndex()==1) // si le choix de la JComboest supprimer
{
Object selected = jList1.getSelectedValue();
strings.remove(selected);
//
// mais la suppression ne marche
//
}
if(jComboBox1.getSelectedIndex()==2) // si le choix est modifier
{
String selected= jComboBox1.getSelectedItem().toString();
jTextField1.setText(selected);
strings.remove(selected);
//
// Comment faire pour modifier un élément ?
//
}
} /**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new NewJFrame().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JButton jButton1;
private javax.swing.JComboBox jComboBox1;
private javax.swing.JList jList1;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JTextField jTextField1;
// End of variables declaration
final List<String> strings = new LinkedList<String>();
} |
