Preventing Invalid Values in a Cell in a JTable Component
This example demonstrates how to modify a custom table cell editor to
prevent invalid values from being saved. See
Creating a Custom Table Cell Editor in a JTable Component for more information about table
cell editors.
public class MyTableCellEditor extends AbstractCellEditor implements TableCellEditor {
// See Creating a Custom Table Cell Editor in a JTable Component
// for other methods that need to be implemented.
// This method is called just before the cell value
// is saved. If the value is not valid, false should be returned.
public boolean stopCellEditing() {
String s = (String)getCellEditorValue();
if (!isValid(s)) {
// Should display an error message at this point
return false;
}
return super.stopCellEditing();
}
}
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