protected void toggleSelections() {
int[] indices = _list.getSelectedIndices();
CheckBoxListSelectionModel selectionModel = _list.getCheckBoxListSelectionModel();
selectionModel.removeListSelectionListener(this);
selectionModel.setValueIsAdjusting(true);
try {
if (indices.length > 0) {
boolean selected = selectionModel.isSelectedIndex(indices[0]);
for (int index : indices) {
if (!_list.isCheckBoxEnabled(index)) {
continue;
}
if (selected && selectionModel.isSelectedIndex(index)) {
selectionModel.removeSelectionInterval(index, index);
} else if (!selected && !selectionModel.isSelectedIndex(index)) {
selectionModel.addSelectionInterval(index, index);
}
}
}
} finally {
selectionModel.setValueIsAdjusting(false);
selectionModel.addListSelectionListener(this);
_list.repaint();
}
}
public void keyPressed(KeyEvent e) {
if (e.isConsumed()) {
return;
}
if (!_list.isCheckBoxEnabled()) {
return;
}
if (e.getModifiers() == 0 && e.getKeyChar() == KeyEvent.VK_SPACE) toggleSelections();
}
public void mouseReleased(MouseEvent e) {
if (e.isConsumed()) {
return;
}
if (!_list.isCheckBoxEnabled()) {
return;
}
if (clicksInCheckBox(e)) {
e.consume();
}
}
protected void toggleSelection(int index) {
if (!_list.isEnabled() || !_list.isCheckBoxEnabled(index)) {
return;
}
CheckBoxListSelectionModel selectionModel = _list.getCheckBoxListSelectionModel();
boolean selected = selectionModel.isSelectedIndex(index);
selectionModel.removeListSelectionListener(this);
try {
if (selected) selectionModel.removeSelectionInterval(index, index);
else selectionModel.addSelectionInterval(index, index);
} finally {
selectionModel.addListSelectionListener(this);
_list.repaint();
}
}
public void mousePressed(MouseEvent e) {
if (e.isConsumed()) {
return;
}
if (!_list.isCheckBoxEnabled()) {
return;
}
boolean clickInBox = clicksInCheckBox(e);
if (!_list.isClickInCheckBoxOnly() || clickInBox) {
int index = _list.locationToIndex(e.getPoint());
toggleSelection(index);
if (clickInBox) {
e.consume();
}
}
}