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| import java.awt.Color;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.JTextField;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class Exa extends JFrame {
final static boolean shouldFill = true;
final static boolean shouldWeightX = true;
final static boolean RIGHT_TO_LEFT = false;
private JSlider jsr = new JSlider(JSlider.VERTICAL, 0, 255, 0);
private JSlider jsv = new JSlider(JSlider.VERTICAL, 0, 255, 0);
private JSlider jsb = new JSlider(JSlider.VERTICAL, 0, 255, 0);
private JTextField jtfrouge = new JTextField("0", 4);
private JTextField jtfvert = new JTextField("0", 4);
private JTextField jtfbleu = new JTextField("0", 4);
private JLabel labelR = new JLabel("Rouge");
private JLabel labelV = new JLabel("Vert");
private JLabel labelB = new JLabel("Bleu");
private JLabel labelDec = new JLabel("Déc.");
private JLabel labelOct = new JLabel("Oct.");
private JLabel labelHex = new JLabel("Hex.");
private JComboBox couleurs = new JComboBox();
private JButton btAnnuler = new JButton("Annuler");
private GridBagConstraints c = new GridBagConstraints();
private int valeurSliderRouge;
private int valeurSliderVert;
private int valeurSliderBleu;
public Exa() {
JPanel p = new JPanel();
Contenu contenu = new Contenu();
getContentPane().add(p);
p.setLayout(new GridBagLayout());
c.insets = new Insets(5, 5, 3, 3);
p.add(contenu);
// setSize(250, 600);
setResizable(false);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo(null);
}
class Contenu extends JPanel implements ActionListener {
public Contenu() {
if (shouldFill) {
// natural height, maximum width
c.fill = GridBagConstraints.HORIZONTAL;
}
jtfrouge = new JTextField("0", 4);
jtfrouge.setBackground(Color.RED);
jtfrouge.setHorizontalAlignment(JTextField.CENTER);
jtfrouge.addActionListener(this);
jtfvert = new JTextField("0", 4);
jtfvert.setBackground(Color.green);
jtfvert.setHorizontalAlignment(JTextField.CENTER);
jtfvert.addActionListener(this);
jtfbleu = new JTextField("0", 4);
jtfbleu.setBackground(Color.blue);
jtfbleu.setHorizontalAlignment(JTextField.CENTER);
jtfbleu.addActionListener(this);
btAnnuler.addActionListener(this);
jsr.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
System.out.println(jsr.getValue());
valeurSliderRouge = jsr.getValue();
}
});
jsv.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
System.out.println(jsv.getValue());
valeurSliderVert = jsv.getValue();
}
});
jsb.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
System.out.println(jsb.getValue());
valeurSliderBleu = jsb.getValue();
}
});
jsr.setPaintTicks(true);
jsr.setMajorTickSpacing(25);
jsr.setMinorTickSpacing(5);
jsr.setPaintLabels(true);
jsr.setOpaque(false);
jsv.setPaintTicks(true);
jsv.setMajorTickSpacing(25);
jsv.setMinorTickSpacing(5);
jsv.setPaintLabels(true);
jsv.setOpaque(false);
jsb.setPaintTicks(true);
jsb.setMajorTickSpacing(25);
jsb.setMinorTickSpacing(5);
jsb.setPaintLabels(true);
jsb.setOpaque(false);
this.setBackground(new Color(0, 0, 0));
if (shouldWeightX) {
c.weightx = 0.5;
}
c.gridx = 0;
c.gridy = 0;
add(jtfrouge, c);
c.gridx = 0;
c.gridy = 1;
add(jtfvert, c);
c.gridx = 0;
c.gridy = 2;
add(jtfbleu, c);
c.gridx = 1;
c.gridy = 0;
add(labelDec, c);
c.gridx = 1;
c.gridy = 1;
add(labelOct, c);
c.gridx = 1;
c.gridy = 2;
add(labelHex, c);
c.gridx = 2;
c.gridy = 1;
add(btAnnuler, c);
c.gridx = 3;
c.gridy = 0;
add(labelR, c);
c.gridx = 3;
c.gridy = 1;
add(labelV, c);
c.gridx = 3;
c.gridy = 2;
add(labelB, c);
c.gridx = 4;
c.gridy = 0;
add(jsr, c);
c.gridx = 4;
c.gridy = 1;
add(jsv, c);
c.gridx = 4;
c.gridy = 2;
add(jsb, c);
c.gridx = GridBagConstraints.REMAINDER;
c.gridx = 5;
c.gridy = 1;
add(couleurs, c);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource().equals(btAnnuler)) {
jtfrouge.setText("0");
jtfvert.setText("0");
jtfbleu.setText("0");
this.setBackground(new Color(0, 0, 0));
}
else {
int red = Integer.parseInt(jtfrouge.getText());
int green = Integer.parseInt(jtfvert.getText());
int blue = Integer.parseInt(jtfbleu.getText());
this.setBackground(new Color(red, green, blue));
}
}
}
} |
