Release synfigstudio_0_61_07_rc1
[synfig.git] / synfig-studio / tags / synfigstudio_0_61_07_rc1 / src / synfigapp / actions / valuenoderemove.cpp
diff --git a/synfig-studio/tags/synfigstudio_0_61_07_rc1/src/synfigapp/actions/valuenoderemove.cpp b/synfig-studio/tags/synfigstudio_0_61_07_rc1/src/synfigapp/actions/valuenoderemove.cpp
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+/* === S Y N F I G ========================================================= */
+/*!    \file valuenoderemove.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 "valuenoderemove.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::ValueNodeRemove);
+ACTION_SET_NAME(Action::ValueNodeRemove,"value_node_remove");
+ACTION_SET_LOCAL_NAME(Action::ValueNodeRemove,_("Unexport"));
+ACTION_SET_TASK(Action::ValueNodeRemove,"remove");
+ACTION_SET_CATEGORY(Action::ValueNodeRemove,Action::CATEGORY_VALUENODE);
+ACTION_SET_PRIORITY(Action::ValueNodeRemove,0);
+ACTION_SET_VERSION(Action::ValueNodeRemove,"0.0");
+ACTION_SET_CVS_ID(Action::ValueNodeRemove,"$Id$");
+
+/* === 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::ValueNodeRemove::ValueNodeRemove()
+{
+}
+
+Action::ParamVocab
+Action::ValueNodeRemove::get_param_vocab()
+{
+       ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
+
+       ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
+               .set_local_name(_("ValueNode"))
+       );
+
+       return ret;
+}
+
+bool
+Action::ValueNodeRemove::is_candidate(const ParamList &x)
+{
+       if(candidate_check(get_param_vocab(),x))
+       {
+               ValueNode::Handle value_node=x.find("value_node")->second.get_value_node();
+               if(!value_node->is_exported())
+                       return false;
+//             if(value_node->rcount()!=1)
+//                     return false;
+               return true;
+       }
+       return false;
+}
+
+bool
+Action::ValueNodeRemove::set_param(const synfig::String& name, const Action::Param &param)
+{
+       if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
+       {
+               value_node=param.get_value_node();
+
+               if(value_node && !value_node->is_exported())
+               {
+                       synfig::error("Action::ValueNodeRemove::set_param(): ValueBase node not exported!");
+                       value_node=0;
+               }
+
+               return (bool)value_node;
+       }
+
+       return Action::CanvasSpecific::set_param(name,param);
+}
+
+bool
+Action::ValueNodeRemove::is_ready()const
+{
+       if(!value_node)
+               synfig::error("Action::ValueNodeRemove::is_ready(): ValueNode not set!");
+
+       if(!value_node)
+               return false;
+       return Action::CanvasSpecific::is_ready();
+}
+
+void
+Action::ValueNodeRemove::perform()
+{
+//     if(value_node->rcount()!=1)
+//             throw Error(_("ValueNode is still being used by something"));
+
+       old_name=value_node->get_id();
+       parent_canvas=value_node->get_parent_canvas();
+       parent_canvas->remove_value_node(value_node);
+
+       if(get_canvas_interface())
+       {
+               get_canvas_interface()->signal_value_node_deleted()(value_node);
+       }
+
+       //throw Error(_("Not yet implemented"));
+/*
+       assert(value_node->is_exported());
+
+       if(get_canvas()->value_node_list().count(new_name))
+               throw Error(_("A ValueNode with this ID already exists in this canvas"));
+
+       old_name=value_node->get_id();
+
+       value_node->set_id(new_name);
+
+       if(get_canvas_interface())
+       {
+               get_canvas_interface()->signal_value_node_changed()(value_node);
+       }
+*/
+}
+
+void
+Action::ValueNodeRemove::undo()
+{
+       parent_canvas->add_value_node(value_node,old_name);
+       if(get_canvas_interface())
+       {
+               get_canvas_interface()->signal_value_node_added()(value_node);
+       }
+
+       //throw Error(_("Not yet implemented"));
+/*
+       assert(value_node->is_exported());
+
+       if(get_canvas()->value_node_list().count(old_name))
+               throw Error(_("A ValueNode with the old ID already exists in this canvas (BUG)"));
+
+       value_node->set_id(old_name);
+
+       if(get_canvas_interface())
+       {
+               get_canvas_interface()->signal_value_node_changed()(value_node);
+       }
+*/
+}