--- /dev/null
+/* === S Y N F I G ========================================================= */
+/*! \file valuenodelinkconnect.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 "valuenodelinkconnect.h"
+#include <synfigapp/canvasinterface.h>
+
+#endif
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+using namespace synfigapp;
+using namespace Action;
+
+/* === M A C R O S ========================================================= */
+
+ACTION_INIT(Action::ValueNodeLinkConnect);
+ACTION_SET_NAME(Action::ValueNodeLinkConnect,"value_node_link_connect");
+ACTION_SET_LOCAL_NAME(Action::ValueNodeLinkConnect,_("Connect ValueNode Link"));
+ACTION_SET_TASK(Action::ValueNodeLinkConnect,"connect");
+ACTION_SET_CATEGORY(Action::ValueNodeLinkConnect,Action::CATEGORY_LAYER|Action::CATEGORY_VALUENODE);
+ACTION_SET_PRIORITY(Action::ValueNodeLinkConnect,0);
+ACTION_SET_VERSION(Action::ValueNodeLinkConnect,"0.0");
+ACTION_SET_CVS_ID(Action::ValueNodeLinkConnect,"$Id$");
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+/* === M E T H O D S ======================================================= */
+
+Action::ValueNodeLinkConnect::ValueNodeLinkConnect():
+ index(-1) // Initially set it to negative one so that we know when it has changed
+{
+}
+
+Action::ParamVocab
+Action::ValueNodeLinkConnect::get_param_vocab()
+{
+ ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
+
+ ret.push_back(ParamDesc("parent_value_node",Param::TYPE_VALUENODE)
+ .set_local_name(_("Parent ValueNode"))
+ );
+
+ ret.push_back(ParamDesc("index",Param::TYPE_INTEGER)
+ .set_local_name(_("Index"))
+ );
+
+ ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
+ .set_local_name(_("ValueNode to be connected"))
+ );
+
+ return ret;
+}
+
+bool
+Action::ValueNodeLinkConnect::is_candidate(const ParamList &x)
+{
+ return candidate_check(get_param_vocab(),x);
+}
+
+bool
+Action::ValueNodeLinkConnect::set_param(const synfig::String& name, const Action::Param ¶m)
+{
+ if(name=="parent_value_node" && param.get_type()==Param::TYPE_VALUENODE)
+ {
+ parent_value_node=LinkableValueNode::Handle::cast_dynamic(param.get_value_node());
+
+ return static_cast<bool>(parent_value_node);
+ }
+
+ if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
+ {
+ new_value_node=param.get_value_node();
+
+ return true;
+ }
+
+ if(name=="index" && param.get_type()==Param::TYPE_INTEGER)
+ {
+ index=param.get_integer();
+
+ return true;
+ }
+
+ return Action::CanvasSpecific::set_param(name,param);
+}
+
+bool
+Action::ValueNodeLinkConnect::is_ready()const
+{
+ if(!new_value_node || !parent_value_node || index==-1)
+ return false;
+ return Action::CanvasSpecific::is_ready();
+}
+
+void
+Action::ValueNodeLinkConnect::perform()
+{
+ if(parent_value_node->link_count()<=index)
+ throw Error(_("Bad index, too big. LinkCount=%d, Index=%d"),parent_value_node->link_count(),index);
+
+ old_value_node=parent_value_node->get_link(index);
+
+ if(!parent_value_node->set_link(index,new_value_node))
+ throw Error(_("Parent would not accept link"));
+
+ /*set_dirty(true);
+
+ if(get_canvas_interface())
+ {
+ get_canvas_interface()->signal_value_node_changed()(parent_value_node);
+ }*/
+}
+
+void
+Action::ValueNodeLinkConnect::undo()
+{
+ if(parent_value_node->link_count()<=index)
+ throw Error(_("Bad index, too big. LinkCount=%d, Index=%d"),parent_value_node->link_count(),index);
+
+ if(!parent_value_node->set_link(index,old_value_node))
+ throw Error(_("Parent would not accept old link"));
+
+ /*set_dirty(true);
+
+ if(get_canvas_interface())
+ {
+ get_canvas_interface()->signal_value_node_changed()(parent_value_node);
+ }*/
+}