tooltip method
Implementation
List<Figure> tooltip(Offset anchor, List<Tuple> selectedTuples) {
String textContent = '';
if (selectedTuples.length == 1) {
final original = selectedTuples.single;
if (original['price'] > 0) {
textContent = 'Ngày: ' + Util.strDateToString(original['created_at'], pattern: 'dd/MM/yyyy HH:mm') + '\n';
textContent += 'SP: ' + original['title'] + '\n';
textContent += 'Giá: ' + Util.doubleToString(original['price']) + ' đ';
} else {
return [];
}
}
return _renderFigure(anchor, textContent);
}