Hi,
I extended one of your examples in order to ask the following question:
Can tell me how come the valuechanged listener that I added is never
executed? I want to to know when the checkbox has been changed. The same
applies for ULCTextField.
==============
import com.ulcjava.base.application.*;
import com.ulcjava.base.application.event.IValueChangedListener;
import com.ulcjava.base.application.border.ULCAbstractBorder;
import com.ulcjava.base.application.border.ULCEmptyBorder;
import com.ulcjava.base.application.table.DefaultTableModel;
import com.ulcjava.base.application.table.ITableCellRenderer;
import com.ulcjava.base.development.DevelopmentRunner;
public class TestULCTextField extends AbstractApplication {
private static final int CHECK_BOX_COLUMN = 2;
// CLASS HERE
class MyIValueChangedListener implements IValueChangedListener
{
public void
valueChanged(com.ulcjava.base.application.event.ValueChangedEvent event){
ULCCheckBox source = (ULCCheckBox)event.getSource();
System.out.println("value changed for: " + source.getText()
+ ". new value is: " + source.isSelected());
}
}
public void start() {
ULCTable table = new ULCTable(new DummyTableModel());
table.getColumnModel().getColumn(CHECK_BOX_COLUMN).setCellRenderer(new
CheckBoxRenderer());
ULCCheckBox editorComponent = new ULCCheckBox();
editorComponent.setBorderPainted(true);
editorComponent.setHorizontalAlignment(ULCCheckBox.CENTER);
editorComponent.setOpaque(true);
editorComponent.setForeground(table.getSelectionForeground());
editorComponent.setBackground(table.getSelectionBackground());
MyIValueChangedListener listener = new MyIValueChangedListener();
// LISTENER HERE
// How come this value changed listerner is never called? ---
editorComponent.addValueChangedListener(listener);
editorComponent.setBorder(ClientContext.getBorder("Table.focusCellHighlightBorder"));
table.getColumnModel().getColumn(CHECK_BOX_COLUMN).setCellEditor(new
DefaultCellEditor(editorComponent));
ULCFrame frame = new ULCFrame("TestULCTextField");
frame.setDefaultCloseOperation(ULCFrame.TERMINATE_ON_CLOSE);
frame.add(new ULCScrollPane(table));
frame.setVisible(true);
}
public static void main(String[] args) {
DevelopmentRunner.setApplicationClass(TestULCTextField.class);
DevelopmentRunner.main(args);
}
private static class CheckBoxRenderer extends ULCCheckBox implements
ITableCellRenderer {
private ULCAbstractBorder fNoFocusBorder;
public CheckBoxRenderer() {
fNoFocusBorder = new ULCEmptyBorder(1, 1, 1, 1);
setBorderPainted(true);
setHorizontalAlignment(CENTER);
setOpaque(true);
}
public IRendererComponent getTableCellRendererComponent(ULCTable
table, Object value, boolean isSelected, boolean hasFocus, int row) {
if (isSelected) {
setForeground(table.getSelectionForeground());
setBackground(table.getSelectionBackground());
} else {
setForeground(table.getForeground());
setBackground(table.getBackground());
}
setBorder(hasFocus ?
ClientContext.getBorder("Table.focusCellHighlightBorder") : fNoFocusBorder);
return this;
}
}
private static class DummyTableModel extends DefaultTableModel {
public DummyTableModel() {
super(new Object[0][5], new String[]{"one", "two",
"three","four", "five"});
for (int row = 0; row < 100; row++) {
addRow(new Object[]{row + ":0", row + ":1", row %
CHECK_BOX_COLUMN == 0 ? Boolean.TRUE : Boolean.FALSE, row + ":3", row
+":4"});
}
}
}
}
Mario
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