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| public class CopyPanelDemo extends JPanel {
private JTextField field1;
private JTextField field2;
private JTextField field3;
public CopyPanelDemo() {
super(new GridBagLayout());
field1 = createField(0,"Field 1", randomData());
field2 = createField(1,"Field 2", randomData());
field3 = createField(2,"Field 3", randomData());
}
public void setData1(String text) {
if (text!=null) {
field1.setText(text);
}
}
public String getData1() {
return field1.getText();
}
public void setData2(String text) {
if (text!=null) {
field2.setText(text);
}
}
public String getData2() {
return field2.getText();
}
public void setData3(String text) {
if (text!=null) {
field3.setText(text);
}
}
public String getData3() {
return field3.getText();
}
public DataModel getData() {
DataModel dataModel = new DataModel();
dataModel.setData1(getData1());
dataModel.setData2(getData2());
dataModel.setData3(getData3());
return dataModel;
}
public void setData(DataModel data) {
if (data!=null) {
setData1(data.getData1());
setData2(data.getData2());
setData3(data.getData3());
}
}
public void reset() {
setData1(randomData());
setData2(randomData());
setData3(randomData());
}
private JTextField createField(int row, String name, String data) {
JLabel label = new JLabel(name);
add(label, new GridBagConstraints(0, row, 1, 1, 0, 0, GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(2,2,2,2), 0, 0));
JTextField field = new JTextField(data);
add(field, new GridBagConstraints(1, row, 1, 1, 1, 0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(2,2,2,2), 0, 0));
return field;
}
private final Random random = new Random();
private final static String BASE = "BATACAPODOMOTUTITEBIRINIMILEMERE";
private String randomData() {
if (random.nextDouble()<0.1) return "";
StringBuilder sb = new StringBuilder();
for( int i=2+random.nextInt(2); i>=0 ; i--) {
int j = random.nextInt(BASE.length()/2);
sb.append(BASE.substring(j*2, j*2+2));
}
return sb.toString();
}
public static void main(String[] args) {
JFrame frame = new JFrame("Démo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(new GridLayout(0, 2));
final CopyPanelDemo leftFieldPanel = new CopyPanelDemo();
final CopyPanelDemo rightFieldPanel = new CopyPanelDemo();
JPanel leftPanel = new JPanel(new BorderLayout());
leftPanel.add( leftFieldPanel );
JPanel rightPanel = new JPanel(new BorderLayout());
rightPanel.add( rightFieldPanel );
JButton leftResetButton = new JButton("Reset");
leftPanel.add( leftResetButton, BorderLayout.NORTH);
leftResetButton.addActionListener( new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
leftFieldPanel.reset();
}
} );
JButton leftButton = new JButton("Copie par champs >>");
leftPanel.add( leftButton, BorderLayout.SOUTH);
leftButton.addActionListener( new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
copieParChamp(leftFieldPanel, rightFieldPanel);
}
} );
JButton rightResetButton = new JButton("Reset");
rightPanel.add( rightResetButton, BorderLayout.NORTH);
rightResetButton.addActionListener( new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
rightFieldPanel.reset();
}
} );
JButton rightButton = new JButton("<< Copie par modèle");
rightPanel.add( rightButton, BorderLayout.SOUTH);
rightButton.addActionListener( new ActionListener() {
@Override
public void actionPerformed(ActionEvent arg0) {
copieParModel(rightFieldPanel, leftFieldPanel);
}
} );
frame.add(leftPanel);
frame.add(rightPanel);
frame.setSize(400, 300);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
public static void copieParChamp(CopyPanelDemo source,
CopyPanelDemo target) {
target.setData1( source.getData1() );
target.setData2( source.getData2() );
target.setData3( source.getData3() );
}
public static void copieParModel(CopyPanelDemo source,
CopyPanelDemo target) {
target.setData( source.getData() );
}
public static class DataModel {
private String data1;
private String data2;
private String data3;
public void setData1(String text) {
data1=text;
}
public String getData1() {
return data1;
}
public void setData2(String text) {
data2=text;
}
public String getData2() {
return data2;
}
public void setData3(String text) {
data3=text;
}
public String getData3() {
return data3;
}
}
} |
Copier les valeurs de TextField dans un autre
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La plupart des réponses à vos questions sont déjà dans les 
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