--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file valuenode_reference.cpp
+** \brief Template File
+**
+** $Id$
+**
+** \legal
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**
+** This package is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License as
+** published by the Free Software Foundation; either version 2 of
+** the License, or (at your option) any later version.
+**
+** This package is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+** General Public License for more details.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+# include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "valuenode_reference.h"
+#include "valuenode_const.h"
+#include "general.h"
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+ValueNode_Reference::ValueNode_Reference(const ValueBase::Type &x):
+ LinkableValueNode(x)
+{
+}
+
+ValueNode_Reference::ValueNode_Reference(const ValueNode::Handle &x):
+ LinkableValueNode(x->get_type())
+{
+ set_link("link",x);
+}
+
+ValueNode_Reference*
+ValueNode_Reference::create(const ValueBase &x)
+{
+ return new ValueNode_Reference(ValueNode_Const::create(x));
+}
+
+LinkableValueNode*
+ValueNode_Reference::create_new()const
+{
+ return new ValueNode_Reference(get_type());
+}
+
+ValueNode_Reference::~ValueNode_Reference()
+{
+ unlink_all();
+}
+
+bool
+ValueNode_Reference::set_link_vfunc(int i,ValueNode::Handle x)
+{
+ assert(i==0);
+ if(x->get_type()!=get_type() && !PlaceholderValueNode::Handle::cast_dynamic(x))
+ return false;
+ link_=x;
+ signal_child_changed()(i);signal_value_changed()();
+ return true;
+}
+
+ValueNode::LooseHandle
+ValueNode_Reference::get_link_vfunc(int i)const
+{
+ assert(i==0);
+ return link_;
+}
+
+int
+ValueNode_Reference::link_count()const
+{
+ return 1;
+}
+
+String
+ValueNode_Reference::link_local_name(int i)const
+{
+ assert(i==0);
+ return _("Link");
+}
+
+String
+ValueNode_Reference::link_name(int i)const
+{
+ return "link";
+}
+
+int
+ValueNode_Reference::get_link_index_from_name(const String &name)const
+{
+ if(name=="link")
+ return 0;
+
+ throw Exception::BadLinkName(name);
+}
+
+ValueBase
+ValueNode_Reference::operator()(Time t)const
+{
+ return (*link_)(t);
+}
+
+
+String
+ValueNode_Reference::get_name()const
+{
+ return "reference";
+}
+
+String
+ValueNode_Reference::get_local_name()const
+{
+ return _("Reference");
+}
+
+bool
+ValueNode_Reference::check_type(ValueBase::Type type)
+{
+ if(type)
+ return true;
+ return false;
+}