public object Clone()
{
if (_pointer != null)
{
return(new ComponentPointer(_pointer));
}
if (_memberPointer != null)
{
return(new ComponentPointer(_memberPointer));
}
ComponentPointer c = new ComponentPointer();
c._memberId = _memberId;
return(c);
}
public override object OnGetDropDownControl(ITypeDescriptorContext context, IServiceProvider provider, IWindowsFormsEditorService service, object value)
{
ComponentPointer cp = (ComponentPointer)value;
IComponent h = context.Instance as IComponent;
if (h == null || h.Site == null)
{
h = VPL.VPLUtil.GetObject(context.Instance) as IComponent;
}
if (h == null || h.Site == null)
{
ClassPointer root = context.Instance as ClassPointer;
if (root != null)
{
h = root.ObjectInstance as IComponent;
}
}
if (h == null || h.Site == null)
{
IObjectPointer op = context.Instance as IObjectPointer;
if (op != null)
{
ClassPointer root = op.RootPointer;
if (root != null)
{
h = root.ObjectInstance as IComponent;
}
}
}
if (h != null && h.Site != null)
{
ListBox list = new ListBox();
list.Tag = service;
list.Click += new EventHandler(list_Click);
list.KeyPress += new KeyPressEventHandler(list_KeyPress);
foreach (IComponent ic in h.Site.Container.Components)
{
if (ic is T)
{
list.Items.Add(new ComponentName(ic));
}
else
{
Type t = VPL.VPLUtil.GetObjectType(ic);
if (typeof(T).IsAssignableFrom(t))
{
int n = list.Items.Add(new ComponentName(ic));
if (cp != null && list.SelectedIndex < 0 && ic.Site != null)
{
if (cp.Name == ic.Site.Name)
{
list.SelectedIndex = n;
}
}
}
}
}
if (list.Items.Count > 0)
{
service.DropDownControl(list);
if (list.SelectedIndex >= 0)
{
ComponentName c = list.Items[list.SelectedIndex] as ComponentName;
if (c != null)
{
ILimnorDesignerLoader loader = LimnorProject.ActiveDesignerLoader as ILimnorDesignerLoader;
UInt32 memberId = loader.ObjectMap.GetObjectID(c.Component);
if (memberId != 0)
{
XmlNode nodeCr = SerializeUtil.GetClassRefNodeByObjectId(loader.Node, memberId);
if (nodeCr != null)
{
loader.Reader.ResetErrors();
ClassInstancePointer cr = loader.Reader.ReadObject <ClassInstancePointer>(nodeCr, loader.GetRootId());
if (loader.Reader.HasErrors)
{
MathNode.Log(loader.Reader.Errors);
}
ComponentPointer pt = new ComponentPointer(cr);
value = pt;
}
else
{
MemberComponentId cid = new MemberComponentId(loader.GetRootId(), c.Component, memberId);
ComponentPointer pt = new ComponentPointer(cid);
value = pt;
}
}
}
}
}
}
return(value);
}
