private void Diagram_Loaded(object sender)
{
diagram.BringToView(diagram.Nodes[0]);
if (isTablet)
{
overview = new CustomOverview(diagram.Context);
diagram.OverviewPanel = overview;
overview.PreventRefresh = true;
overview.Layout(0, 0, 400, 400);
diagram.AddView(overview);
overview.ForceRefresh();
}
}
private void Diagram_OnLayoutNodeDropped(object sender, LayoutNodeDroppedEventArgs args)
{
Node draggedNode = args.DraggedItem as Node;
Node droppedNode = args.DroppedItem as Node;
bool contain = true;
if (draggedNode != null && draggedNode != droppedNode)
{
Node ParentNode = GetParent((droppedNode.Content as DiagramEmployee).ReportingPerson);
do
{
if (ParentNode != draggedNode)
{
contain = false;
}
else
{
contain = true;
break;
}
ParentNode = GetParent((ParentNode.Content as DiagramEmployee).ReportingPerson);
} while (ParentNode != null);
if (!contain)
{
Connector con; bool hasChild = false;
foreach (Connector connector in draggedNode.InConnectors)
{
con = connector;
con.SourceNode = droppedNode;
hasChild = true;
}
if (hasChild)
{
Node PrevParentNode = GetParent((draggedNode.Content as DiagramEmployee).ReportingPerson);
bool noChild = true;
foreach (Connector c in PrevParentNode.OutConnectors)
{
noChild = false;
}
if (PrevParentNode != null && noChild)
{
(PrevParentNode.Content as DiagramEmployee).HasChild = false;
DrawTemplate(PrevParentNode);
}
DiagramEmployee ParentEmployee = (droppedNode.Content as DiagramEmployee);
(draggedNode.Content as DiagramEmployee).ReportingPerson = ParentEmployee.Name;
ParentEmployee.HasChild = true;
ExpandAll(draggedNode);
UpdateTemplate(draggedNode);
UpdateTemplate(droppedNode);
}
droppedNode.IsExpanded = true;
diagram.LayoutManager.Layout.UpdateLayout();
if (overviewPanel != null)
{
overviewPanel.ForceRefresh();
}
}
}
}