public void setSelected(boolean b) {
super.setSelected(b);
if (selected) {
if (!(exprFieldX.hasFocus() || exprFieldY.hasFocus() || exprFieldZ.hasFocus())) {
exprFieldX.requestFocusInWindow();
fireCaretUpdate(exprFieldX);
}
}
}
public void setMother(Function f) {
super.setMother(f);
exprFieldX.setText(f.getExpression()[0]);
exprFieldY.setText(f.getExpression()[1]);
exprFieldZ.setText(f.getExpression()[2]);
}