dialog = new ConditionalVisibilityDialog();
}
final Expression oldExpression = visualElements.get(0).getStyleExpression(ElementStyleKeys.VISIBLE);
dialog.setReportDesignerContext(getReportDesignerContext());
final Expression expression = dialog.performEdit(oldExpression);
if (expression != null)
{
visualElements.get(0).setStyleExpression(ElementStyleKeys.VISIBLE, expression.getInstance());
}
}