I use a AbstractTableModel for my JTable.
public class MyTableModel extends AbstractTableModel {
private List<String> columnNames = new ArrayList<String>();
private List<List> data = new ArrayList();
MyTableModel() {
columnNames.add("Action");
columnNames.add("Count");
columnNames.add("Total");
columnNames.add("X");
columnNames.add("Y");
columnNames.add("Quarter");
columnNames.add("Answer");
columnNames.add("T (ms)");
}
public void addRow(List rowData) {
data.add(rowData);
fireTableRowsInserted(data.size() - 1, data.size() - 1);
}
public void insertRow(int index, List rowData) {
data.add(0, rowData);
fireTableRowsInserted(data.size() - 1, data.size() - 1);
}
public int getColumnCount() {
return columnNames.size();
}
public int getRowCount() {
return data.size();
}
public String getColumnName(int col) {
try {
return columnNames.get(col);
} catch (Exception e) {
return null;
}
}
public Object getValueAt(int row, int col) {
return data.get(row).get(col);
}
public boolean isCellEditable(int row, int col) {
return false;
}
public Class getColumnClass(int c) {
return getValueAt(0, c).getClass();
}
}
I add to it (with success) new rows while application is running by execute some code in a some not important class. It looks like this.
MyClass.MyTableModel.insertRow(0, (Arrays.asList(String.valueOf(valueOne), String.valueOf(valueTwo), String.valueOf(valueThree),
String.valueOf(valueFour), String.valueOf(valueFive), String.valueOf(valueSix), String.valueOf(valueSeven),
String.valueOf(valueEight), String.valueOf(valueNine))));
MyClass.myTable.setModel(MyClass.MyTableModel);
MyClass.myTable.repaint();
But I can't change data in specific cells in such added rows. I tried to cover a setValueAt() method, but with no success. Also I tried to simply call method setValueAt() for MyClass.MyTableModel for example:
MyClass.MyTableModel.setValueAt("valueChange", 0, 6);
MyClass.myTable.setModel(MyTableModel);
MyClass.myTable.repaint();
That also doesn't work. I tried to call fireTableCellUpdated() for my model (i know it's wrong practice), but it also failed in attempt. Do you have any ideas?