internal void _sort <T>(getDessertField <T> getField, bool isAscending) where T : IComparable
{
this._desserts.Sort((Dessert a, Dessert b) =>
{
if (!isAscending)
{
Dessert c = a;
a = b;
b = c;
}
T aValue = getField(a);
T bValue = getField(b);
return(aValue.CompareTo(bValue));
});
this.notifyListeners();
}
public override DataRow getRow(int index)
{
D.assert(index >= 0);
if (index >= this._desserts.Count)
{
return(null);
}
Dessert dessert = this._desserts[index];
return(DataRow.byIndex(
index: index,
selected: dessert.selected,
onSelectChanged: (bool value) =>
{
if (dessert.selected != value)
{
this._selectedCount += value ? 1 : -1;
D.assert(this._selectedCount >= 0);
dessert.selected = value;
this.notifyListeners();
}
},
cells: new List <DataCell>
{
new DataCell(new Text(dessert.name)),
new DataCell(new Text($"{dessert.calories}")),
new DataCell(new Text($"{dessert.fat:F1}")),
new DataCell(new Text($"{dessert.carbs}")),
new DataCell(new Text($"{dessert.protein:F1}")),
new DataCell(new Text($"{dessert.sodium}")),
new DataCell(new Text($"{dessert.calcium}%")),
new DataCell(new Text($"{dessert.iron}%")),
}
));
}
