34 lines
510 B
Java
34 lines
510 B
Java
import java.awt.event.*;
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import javax.swing.*;
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public class TextFilter extends KeyAdapter {
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private JTextField Text;
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public TextFilter (JTextField t) {
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this.Text = t;
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}
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@Override
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public void keyTyped(KeyEvent e) {
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char chaine = e.getKeyChar();
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int taille = this.Text.getText().length();
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if ( ((chaine < '0') || (chaine > '9')) && (chaine != KeyEvent.VK_BACK_SPACE)) {
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e.consume(); // ignorer l'événement
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}
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if ( taille >= 1 ) {
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e.consume();
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}
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}
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}
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