private void dgOrders_Sorting(object sender, DataGridSortingEventArgs e)
{
try
{
string sortPath = e.Column.SortMemberPath;
var items = this.dgOrders.ItemsSource as OrderViewModel[];
if (items == null || items.Length < 1)
{
return;
}
var sortType = e.Column.SortDirection == null ? ListSortDirection.Ascending : (e.Column.SortDirection == ListSortDirection.Ascending ? ListSortDirection.Descending : ListSortDirection.Ascending);
List <OrderViewModel> newVms = null;
EnumerableKeySelector selector = new EnumerableKeySelector(items[0].GetType(), sortPath);
if (sortType == ListSortDirection.Ascending)
{
newVms = items.OrderBy(obj => selector.GetData(obj)).ToList();
}
else
{
newVms = items.OrderByDescending(obj => selector.GetData(obj)).ToList();
}
this.dgOrders.ItemsSource = newVms.ToArray();
e.Column.SortDirection = sortType;
e.Handled = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void DgvOrders_Sorting(object sender, DataGridSortingEventArgs e)
{
try
{
string sortPath = e.Column.SortMemberPath;
if (this.orders.Count < 1)
{
return;
}
var sortType = e.Column.SortDirection == null ? ListSortDirection.Ascending : (e.Column.SortDirection == ListSortDirection.Ascending ? ListSortDirection.Descending : ListSortDirection.Ascending);
List <OrderViewModel> newVms = null;
EnumerableKeySelector selector = new EnumerableKeySelector(orders[0].GetType(), sortPath);
if (sortType == ListSortDirection.Ascending)
{
newVms = orders.OrderBy(obj => selector.GetData(obj)).ToList();
}
else
{
newVms = orders.OrderByDescending(obj => selector.GetData(obj)).ToList();
}
this.orders.Clear();
foreach (var v in newVms)
{
this.orders.Add(v);
}
e.Column.SortDirection = sortType;
e.Handled = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void SortData(PrintOrderPageViewModel p, DataGrid dg, DataGridColumn col)
{
if (dg == null)
{
MessageBox.Show("事件源不是DataGrid无法排序");
return;
}
string sortPath = col.SortMemberPath;
if (p.OrderViewModels.Count < 1)
{
return;
}
var sortType = col.SortDirection == null ? ListSortDirection.Ascending : (col.SortDirection == ListSortDirection.Ascending ? ListSortDirection.Descending : ListSortDirection.Ascending);
List <PrintOrderViewModel> newVms = null;
if (sortPath.Contains("DoorNumber"))
{
//两次排序，第一次根据门牌号排，然后根据货号排序,然后根据付款时间 类型PrintOrderViewModel实际了比较接口
List <PrintOrderViewModel> tmpList = p.OrderViewModels.ToList();
tmpList.Sort();
tmpList.Sort();
tmpList.Sort();
newVms = tmpList;
}
else
{
EnumerableKeySelector selector = new EnumerableKeySelector(p.OrderViewModels[0].GetType(), sortPath);
if (sortType == ListSortDirection.Ascending)
{
newVms = p.OrderViewModels.OrderBy(obj => selector.GetData(obj)).ToList();
}
else
{
newVms = p.OrderViewModels.OrderByDescending(obj => selector.GetData(obj)).ToList();
}
}
p.OrderViewModels.Clear();
for (int i = 0; i < newVms.Count; i++)
{
newVms[i].DefaultBackground = newVms[i].Background = (i % 2 == 0) ? PrintOrderViewModel.DEFAULTBACKGROUND_LIGHTGREEN : PrintOrderViewModel.DEFAULTBACKGROUND_LIGHTPINK;
p.OrderViewModels.Add(newVms[i]);
}
col.SortDirection = sortType;
}
