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public class Test extends javax.swing.JFrame {
private JScrollPane jscrollp;
private JTable table;
private JPanel jp;
private int CountRowsInit;
// le model
DefaultTableModel model = new DefaultTableModel() {
public boolean isCellEditable(int row, int col) { // OK pour abstract
fireTableCellUpdated(row, col);
fireTableDataChanged();
if (row < CountRowsInit)
return (col < (table.getColumnCount() - 1)) ? false : true;
return true;
}
};
Object[][] cellData = {
{ "1-1", "1-2", "1-3", "1-4", "1-5","1-6" },
{ "2-1", "1-2", "1-3", "1-4", "1-5","1-6" },
{ "3-1", "1-2", "1-3", "1-4", "1-5","1-6" },
{ "4-1", "1-2", "1-3", "1-4", "1-5","1-6" },
{ "5-1", "1-2", "1-3", "1-4", "1-5","1-6" },
{ "6-1", "1-2", "1-3", "1-4", "1-5","1-6" }};
String[] columnNames = { "col1", "col2", "col3", "col4", "col5", "col6" };
public Test() {
super("Table");
// Create a table with initial data
Vector<Object> rowData = new Vector<Object>();
initDataInTab(rowData, cellData);
Vector<String> columnNamesV = new Vector<String>(Arrays
.asList(columnNames));
table = new JTable(model);
model.setDataVector(rowData, columnNamesV);
// pour le tri !!!
table.setAutoCreateRowSorter(true);
CountRowsInit = cellData.length;
jscrollp = new JScrollPane(table);
jp = new JPanel();
// Create an action
Action actionAdd = new AbstractAction("addCopy") {
private static final long serialVersionUID = 1L;
// This method is called when the button is pressed
public void actionPerformed(ActionEvent evt) {
if (table.getRowCount() > 0) {
/* Pour ajouter une copy ligne avec des données connus */
model.insertRow(0, copyRowAt(table.getRowCount() - 1));
printDebugData(table);
} else {
model.addRow(emptyRow());
printDebugData(table);
}
}
};
Action actionDel = new AbstractAction("Del") {
private static final long serialVersionUID = 1L;
// This method is called when the button is pressed
public void actionPerformed(ActionEvent evt) {
if (table.getRowCount() != 0) {
model.removeRow(table.getRowCount() - 1);
printDebugData(table);
}
}
};
Action actionEmp = new AbstractAction("Emp") {
private static final long serialVersionUID = 1L;
// This method is called when the button is pressed
public void actionPerformed(ActionEvent evt) {
model.insertRow(table.getRowCount(), emptyRow());
printDebugData(table);
}
};
// Create the button
JButton buttonAdd = new JButton(actionAdd);
JButton buttonDel = new JButton(actionDel);
JButton buttonEmp = new JButton(actionEmp);
jp.add(buttonAdd);
jp.add(buttonDel);
jp.add(buttonEmp);
jp.setOpaque(true);
jp.add(jscrollp, BorderLayout.CENTER);
getContentPane().add(jp);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setVisible(true);
setBounds(100, 100, 500, 500);
}
/* transforme le tableau cellData en un tableau de vecteur -d'objet rowData- */
private void initDataInTab(Vector<Object> rowData, Object[][] cellData) {
for (int i = 0; i < cellData.length; i++) {
Vector<Object> colData = new Vector<Object>(Arrays
.asList(cellData[i]));
rowData.add(colData);
}
}
private Vector<Object> copyRowAt(int row) {
Vector<Object> data = model.getDataVector();
Vector<Object> copy = (Vector<Object>) data.elementAt(row);
copy = (Vector<Object>) copy.clone();
return copy;
}
private Vector<Object> emptyRow() {
Vector<Object> ligneVide = new Vector<Object>();
for (int i = 0; i < table.getRowCount(); i++)
ligneVide.add(" ");
return ligneVide;
}
private void printDebugData(JTable table) {
int numRows = table.getRowCount();
int numCols = table.getColumnCount();
javax.swing.table.TableModel model = table.getModel();
for (int i = 0; i < numRows; i++) {
System.out.print(" row " + i + ":");
for (int j = 0; j < numCols; j++) {
System.out.print(" " + model.getValueAt(i, j));
}
System.out.println();
}
System.out.println("--------------------------");
}
/**
* Auto-generated main method to display this JFrame
*/
public static void main(String[] args) {
Test inst = new Test();
inst.setVisible(true);
}
} |
[JTable] et le rafrichissement aprés l'ajout et suppression
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