void MoveSelectedRowsToGroup(DragDropManagerBase sourceManager, int groupRowHandle, DependencyObject hitElement) {
GroupInfo[] groupInfo = GetGroupInfos(groupRowHandle);
if(!CanMoveSelectedRowsToGroup(sourceManager, groupInfo, hitElement))
return;
foreach(object obj in sourceManager.DraggingRows) {
foreach(GroupInfo item in groupInfo) {
SetPropertyValue(sourceManager.GetObject(obj), item.FieldName, item.Value);
}
if(!ItemsSource.Contains(obj)) {
sourceManager.ItemsSource.Remove(sourceManager.GetObject(obj));
ItemsSource.Add(sourceManager.GetObject(obj));
}
}
}
void MoveSelectedRows(DragDropManagerBase sourceManager, int insertRowHandle, DependencyObject hitElement) {
object insertObject = GridControl.GetRow(insertRowHandle);
if(insertObject == null || sourceManager.DraggingRows.Contains(GridControl.GetRow(insertRowHandle)))
return;
FrameworkElement row = GetRowElement(hitElement);
DropTargetType dropTargetType = GetDropTargetType(row);
if(dropTargetType == DropTargetType.None)
return;
int index = ItemsSource.IndexOf(insertObject);
if(dropTargetType == DropTargetType.InsertRowsAfter)
index++;
GridControl.BeginDataUpdate();
foreach(object obj in sourceManager.DraggingRows) {
object sourceObject = sourceManager.GetObject(obj);
if(ReferenceEquals(ItemsSource, sourceManager.GetSource(obj))) {
if(index > ItemsSource.IndexOf(sourceObject))
index--;
}
sourceManager.ItemsSource.Remove(sourceObject);
ItemsSource.Insert(index, sourceObject);
index++;
}
GridControl.EndDataUpdate();
if(RestoreSelection) {
int startRowHandle = GridControl.GetRowHandleByListIndex(ItemsSource.IndexOf(sourceManager.DraggingRows[0]));
int endRowHandle = GridControl.GetRowHandleByListIndex(ItemsSource.IndexOf(sourceManager.DraggingRows[sourceManager.DraggingRows.Count - 1]));
TableView.SelectRange(startRowHandle, endRowHandle);
} else
TableView.ClearSelection();
TableView.FocusedRow = sourceManager.DraggingRows[0];
}
protected override void AddRow(DragDropManagerBase sourceManager, object row, int insertRowHandle) {
sourceManager.GetSource(row).Remove(sourceManager.GetObject(row));
DropStrategy.DropObject(ItemsSource, null, DropTargetType.DataArea, sourceManager.GetObject(row));
InsertObject(ItemsSource, null, DropTargetType.DataArea, sourceManager.GetObject(row), -1);
}
void MoveSelectedRows(DragDropManagerBase sourceManager, int insertRowHandle, DependencyObject hitElement) {
TreeListNode insertNode = TreeListView.GetNodeByRowHandle(insertRowHandle);
object insertObject = insertNode.Content;
if(insertObject == null || sourceManager.DraggingRows.Contains(insertObject))
return;
DropTargetType dropTargetType = GetDropTargetType(GetRowElement(hitElement) as DataContentPresenter);
if(dropTargetType == DropTargetType.None)
return;
DataControl.BeginDataUpdate();
IList source = GetSource(insertNode);
int insertIndex = source.IndexOf(insertNode.Content)
+ (dropTargetType == DropTargetType.InsertRowsAfter ? 1 : 0);
foreach(object obj in sourceManager.DraggingRows) {
if(ReferenceEquals(source, sourceManager.GetSource(obj))) {
if(insertIndex > source.IndexOf(GetObject(obj)))
insertIndex--;
if(ReferenceEquals(insertObject, sourceManager.GetObject(obj)))
continue;
}
sourceManager.GetSource(obj).Remove(sourceManager.GetObject(obj));
DropStrategy.DropObject(source, insertNode, dropTargetType, sourceManager.GetObject(obj));
InsertObject(source, insertNode, dropTargetType, sourceManager.GetObject(obj), insertIndex);
insertIndex++;
}
DataControl.EndDataUpdate();
if(TreeListView.MultiSelectMode == TableViewSelectMode.Row && RestoreSelection) {
int[] selectedHandles = TreeListView.GetSelectedRowHandles();
int startRowHandle = selectedHandles[0];
int endRowHandle = selectedHandles[selectedHandles.Length - 1];
TreeListView.SelectRange(startRowHandle, endRowHandle);
} else TreeListView.ClearSelection();
TreeListView.FocusedRow = GetObject(sourceManager.DraggingRows[0]);
}
protected internal override void OnDrop(DragDropManagerBase sourceManager, UIElement source, Point pt) {
ListBoxDropEventArgs e = RaiseDropEvent(sourceManager);
if(!e.Handled) {
if(sourceManager.DraggingRows.Count > 0 && AllowDrop && !ReferenceEquals(this, sourceManager)) {
foreach(object obj in sourceManager.DraggingRows) {
object rawObject = sourceManager.GetObject(obj);
sourceManager.GetSource(obj).Remove(rawObject);
ItemsSource.Add(rawObject);
}
}
}
RaiseDroppedEvent(sourceManager, e.DraggedRows);
}