private void OnDataContextChanged(object sender, DependencyPropertyChangedEventArgs e)
{
if (_vm == null)
{
_vm = DataContext as PmConfigViewModel;
}
if (_vm == null || PmGridControl.Columns.Any(p => Equals(p.Tag, ColUnboundMethodsFieldName)))
{
return;
}
try
{
PmGridControl.BeginDataUpdate();
foreach (var op in _vm.GetOperation())
{
var opcode = op.GetProperty <string>(BillOperation.OperationCodePropertyName);
var header = op.GetProperty <string>(BillOperation.OperationNamePropertyName);
var column = new GridColumn
{
Header = header,
FieldName = opcode,
Width = 200,
AllowUnboundExpressionEditor = false,
UnboundType = UnboundColumnType.Object,
AllowSorting = DefaultBoolean.True,
SortMode = ColumnSortMode.DisplayText,
//AllowAutoFilter = false,
//AllowColumnFiltering = DefaultBoolean.False,
//AutoFilterCondition = new AutoFilterCondition(),
FilterPopupMode = FilterPopupMode.CheckedList,
ColumnFilterMode = ColumnFilterMode.DisplayText,
Tag = ColUnboundMethodsFieldName
};
PmGridControl.Columns.Add(column);
}
_vm.NewRowAdded -= OnNewRowAdded;
_vm.NewRowAdded += OnNewRowAdded;
_vm.BeforeSave -= OnBeforeSave;
_vm.BeforeSave += OnBeforeSave;
_vm.BeforeRefresh -= OnBeforeRefresh;
_vm.BeforeRefresh += OnBeforeRefresh;
}
finally
{
PmGridControl.EndDataUpdate();
}
}
protected override void OnClose()
{
DataContextChanged -= OnDataContextChanged;
PmGridControl.Loaded -= OnGridLoaded;
PmGridControl.RestoredLayoutFromXml -= OnGridRestoredLayoutFromXml;
PmGridControl.SelectionChanged -= OnGridSelectionChanged;
PmGridControl.ItemsSourceChanged -= OnGridItemsSourceChanged;
base.OnClose();
if (_vm != null)
{
_vm.Dispose();
_vm = null;
}
}
