1 /* === S Y N F I G ========================================================= */
2 /*! \file valuenoderemove.cpp
3 ** \brief Template File
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 /* ========================================================================= */
23 /* === H E A D E R S ======================================================= */
32 #include "valuenoderemove.h"
33 #include <synfigapp/canvasinterface.h>
35 #include <synfigapp/general.h>
41 using namespace synfig;
42 using namespace synfigapp;
43 using namespace Action;
45 /* === M A C R O S ========================================================= */
47 ACTION_INIT_NO_GET_LOCAL_NAME(Action::ValueNodeRemove);
48 ACTION_SET_NAME(Action::ValueNodeRemove,"value_node_remove");
49 ACTION_SET_LOCAL_NAME(Action::ValueNodeRemove,N_("Unexport"));
50 ACTION_SET_TASK(Action::ValueNodeRemove,"remove");
51 ACTION_SET_CATEGORY(Action::ValueNodeRemove,Action::CATEGORY_VALUENODE);
52 ACTION_SET_PRIORITY(Action::ValueNodeRemove,0);
53 ACTION_SET_VERSION(Action::ValueNodeRemove,"0.0");
54 ACTION_SET_CVS_ID(Action::ValueNodeRemove,"$Id$");
56 /* === G L O B A L S ======================================================= */
58 /* === P R O C E D U R E S ================================================= */
60 /* === M E T H O D S ======================================================= */
62 Action::ValueNodeRemove::ValueNodeRemove()
67 Action::ValueNodeRemove::get_local_name()const
69 // TRANSLATORS: This is used in the 'history' dialog when a ValueNode is unexported.
70 return strprintf(_("Unexport '%s'"), old_name.c_str());
74 Action::ValueNodeRemove::get_param_vocab()
76 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
78 ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
79 .set_local_name(_("ValueNode"))
86 Action::ValueNodeRemove::is_candidate(const ParamList &x)
88 if(candidate_check(get_param_vocab(),x))
90 ValueNode::Handle value_node=x.find("value_node")->second.get_value_node();
91 if(!value_node->is_exported())
93 // if(value_node->rcount()!=1)
101 Action::ValueNodeRemove::set_param(const synfig::String& name, const Action::Param ¶m)
103 if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
105 value_node=param.get_value_node();
107 if(value_node && !value_node->is_exported())
109 synfig::error("Action::ValueNodeRemove::set_param(): ValueBase node not exported!");
113 return (bool)value_node;
116 return Action::CanvasSpecific::set_param(name,param);
120 Action::ValueNodeRemove::is_ready()const
123 synfig::error("Action::ValueNodeRemove::is_ready(): ValueNode not set!");
127 return Action::CanvasSpecific::is_ready();
131 Action::ValueNodeRemove::perform()
133 // if(value_node->rcount()!=1)
134 // throw Error(_("ValueNode is still being used by something"));
136 old_name=value_node->get_id();
137 parent_canvas=value_node->get_parent_canvas();
138 parent_canvas->remove_value_node(value_node);
140 if(get_canvas_interface())
142 get_canvas_interface()->signal_value_node_deleted()(value_node);
145 //throw Error(_("Not yet implemented"));
147 assert(value_node->is_exported());
149 if(get_canvas()->value_node_list().count(new_name))
150 throw Error(_("A ValueNode with this ID already exists in this canvas"));
152 old_name=value_node->get_id();
154 value_node->set_id(new_name);
156 if(get_canvas_interface())
158 get_canvas_interface()->signal_value_node_changed()(value_node);
164 Action::ValueNodeRemove::undo()
166 parent_canvas->add_value_node(value_node,old_name);
167 if(get_canvas_interface())
169 get_canvas_interface()->signal_value_node_added()(value_node);
172 //throw Error(_("Not yet implemented"));
174 assert(value_node->is_exported());
176 if(get_canvas()->value_node_list().count(old_name))
177 throw Error(_("A ValueNode with the old ID already exists in this canvas (BUG)"));
179 value_node->set_id(old_name);
181 if(get_canvas_interface())
183 get_canvas_interface()->signal_value_node_changed()(value_node);