void SetReorderDropInfo(DragDropManagerBase sourceManager, int insertRowHandle, DependencyObject hitElement) {
FrameworkElement rowElement = GetRowElement(hitElement);
TableDragIndicatorPosition dragIndicatorPosition = GetDragIndicatorPositionForRowElement(rowElement);
if(dragIndicatorPosition != TableDragIndicatorPosition.None) {
DropTargetType dropTargetType = dragIndicatorPosition == TableDragIndicatorPosition.Bottom ? DropTargetType.InsertRowsAfter : DropTargetType.InsertRowsBefore;
sourceManager.SetDropTargetType(dropTargetType);
sourceManager.ViewInfo.DropTargetRow = GridControl.GetRow(insertRowHandle);
sourceManager.ShowDropMarker(rowElement, dragIndicatorPosition);
} else {
ClearDragInfo(sourceManager);
}
}
protected void SetAddRowsDropInfo(DragDropManagerBase sourceManager, int insertRowHandle, DependencyObject hitElement) {
sourceManager.SetDropTargetType(DropTargetType.DataArea);
sourceManager.ShowDropMarker(GetDataAreaElement(hitElement), TableDragIndicatorPosition.None);
}
void SetMoveToGroupRowDropInfo(DragDropManagerBase sourceManager, int insertRowHandle, DependencyObject hitElement) {
GroupInfo[] groupInfo = GetGroupInfos(insertRowHandle);
if(CanMoveSelectedRowsToGroup(sourceManager, groupInfo, hitElement)) {
sourceManager.SetDropTargetType(DropTargetType.InsertRowsIntoGroup);
sourceManager.ViewInfo.GroupInfo = groupInfo;
sourceManager.ShowDropMarker(GetRowElement(hitElement), TableDragIndicatorPosition.None);
} else {
ClearDragInfo(sourceManager);
}
}
void SetReorderDropInfo(DragDropManagerBase sourceManager, int insertRowHandle, DependencyObject hitElement) {
FrameworkElement rowElement = GetRowElement(hitElement);
TableDragIndicatorPosition dragIndicatorPosition = GetDragIndicatorPositionForRowElement(rowElement);
if(dragIndicatorPosition != TableDragIndicatorPosition.None) {
DropTargetType dropTargetType;
switch(dragIndicatorPosition) {
case TableDragIndicatorPosition.Top:
dropTargetType = DropTargetType.InsertRowsBefore;
break;
case TableDragIndicatorPosition.Bottom:
dropTargetType = DropTargetType.InsertRowsAfter;
break;
case TableDragIndicatorPosition.InRow:
dropTargetType = DropTargetType.InsertRowsIntoNode;
break;
default:
dropTargetType = DropTargetType.None;
break;
}
sourceManager.SetDropTargetType(dropTargetType);
sourceManager.ViewInfo.DropTargetRow = GetObjectByRowHandle(insertRowHandle);
sourceManager.ShowDropMarker(rowElement, dragIndicatorPosition);
} else {
ClearDragInfo(sourceManager);
}
}