List <Tuple <Guid, Guid, object> > FilterExistLink(List <Tuple <Guid, Guid, object> > ol)
{
var rl = new List <object>();
var vm = DataContext as DesignCanvasViewModel;
vm.LinkList.ForEach(l =>
{
ol.ForEach(v =>
{
var id = CommonProc.GetID(v.Item3);
if (id != Guid.Empty && l.TargetObjectID == id)
{
rl.Add(v);
}
});
});
var list = new List <Tuple <Guid, Guid, object> >();
ol.ForEach(v =>
{
if (!rl.Contains(v.Item3))
{
list.Add(v);
}
});
return(list);
}
List <Tuple <Guid, Guid, object> > GetConnectionList(FrameworkElement currentControl)
{
if (DesignManager.GetConnection == null)
{
return(null);
}
List <Tuple <Guid, Guid, object> > ol = new List <Tuple <Guid, Guid, object> >();
List <Guid> idl = new List <Guid>();
List <Guid> linkidl = new List <Guid>();
if (currentControl == null || (currentControl as DesignControl) == null ||
((currentControl as DesignControl).DataContext) == null)
{
return(ol);
}
var sitem = (currentControl as DesignControl).DataContext as DesignItem;
if (sitem == null)
{
return(ol);
}
var id = sitem.TargetObjectID;
if (id == null)
{
return(ol);
}
foreach (var c in TargetDesignCanvas.Children)
{
if (c is ArrowCurveSegment)
{
var linkVM = (c as ArrowCurveSegment).DataContext as DesignLink;
linkidl.Add(linkVM.DesignLinkID);
}
}
foreach (var c in TargetDesignCanvas.Children)
{
if (c is DesignControl)
{
var controlVM = (c as DesignControl).DataContext as DesignItem;
if (controlVM != null && controlVM.TargetObjectID != null)
{
var l = DesignManager.GetConnection(id.Value, controlVM.TargetObjectID.Value);
if (l != null)
{
l.ForEach(v =>
{
var tid = CommonProc.GetID(v);
if (tid != null && !idl.Contains(tid.Value) && !linkidl.Contains(tid.Value))
{
ol.Add(new Tuple <Guid, Guid, object>(id.Value, controlVM.TargetObjectID.Value, v));
idl.Add(tid.Value);
}
});
}
l = DesignManager.GetConnection(controlVM.TargetObjectID.Value, id.Value);
if (l != null)
{
l.ForEach(v =>
{
var tid = CommonProc.GetID(v);
if (tid != null && !idl.Contains(tid.Value) && !linkidl.Contains(tid.Value))
{
ol.Add(new Tuple <Guid, Guid, object>(controlVM.TargetObjectID.Value, id.Value, v));
idl.Add(tid.Value);
}
});
}
}
}
}
return(FilterExistLink(ol));
}