private void ChangeParent(DataTreeViewNode node)
{
object dataParentID = this.parentIdProperty.GetValue(this.listManager.List[node.Position]);
if (node.ParentID.ToString() != dataParentID.ToString())
{
if (dataParentID.ToString() == "-1")
{
dataParentID = 0;
}
DataTreeViewNode newParentNode = this.items_Identifiers[dataParentID] as DataTreeViewNode;
if (newParentNode != null)
{
node.Remove();
newParentNode.Nodes.Add(node);
}
else
{
throw new ApplicationException("Item not found or wrong type.");
}
}
else
{
}
}
private void DataTreeView_ListChanged(object sender, ListChangedEventArgs e)
{
switch (e.ListChangedType)
{
case ListChangedType.ItemAdded:
if (!TryAddNode(this.CreateNode(this.listManager, e.NewIndex)))
{
throw new ApplicationException("Item are not added.");
}
break;
case ListChangedType.ItemChanged:
DataTreeViewNode chnagedNode = this.items_Positions[e.NewIndex] as DataTreeViewNode;
if (chnagedNode != null)
{
this.RefreshData(chnagedNode);
this.ChangeParent(chnagedNode);
}
else
{
throw new ApplicationException("Item not found or wrong type.");
}
break;
case ListChangedType.ItemMoved:
DataTreeViewNode movedNode = this.items_Positions[e.OldIndex] as DataTreeViewNode;
if (movedNode != null)
{
this.items_Positions.Remove(e.OldIndex);
this.items_Positions.Add(e.NewIndex, movedNode);
}
else
{
throw new ApplicationException("Item not found or wrong type.");
}
break;
case ListChangedType.ItemDeleted:
DataTreeViewNode deletedNode = this.items_Positions[e.NewIndex] as DataTreeViewNode;
if (deletedNode != null)
{
this.items_Positions.Remove(e.NewIndex);
this.items_Identifiers.Remove(deletedNode.ID);
deletedNode.Remove();
}
else
{
//throw new ApplicationException("Item not found or wrong type.");
}
break;
case ListChangedType.Reset:
this.ResetData();
break;
}
}
private void changeParent(DataTreeViewNode node)
{
object dataParentID = parentKeyProperty.GetValue(listManager.List[node.Position]);
if (node.ParentKey != dataParentID)
{
DataTreeViewNode newParentNode = items_Identifiers[dataParentID] as DataTreeViewNode;
if (newParentNode != null)
{
node.Remove();
newParentNode.Nodes.Add(node);
}
else
{
throw new ApplicationException("Item not found or wrong type.");
}
}
}
private void ChangeParent(DataTreeViewNode node)
{
object dataParentID = this.parentIdProperty.GetValue(this.listManager.List[node.Position]);
if (node.ParentID != dataParentID)
{
DataTreeViewNode newParentNode = this.items_Identifiers[dataParentID] as DataTreeViewNode;
if (newParentNode != null)
{
node.Remove();
newParentNode.Nodes.Add(node);
}
else
{
throw new ApplicationException("Item not found or wrong type.");
}
}
}
