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>
39 using namespace synfig;
40 using namespace synfigapp;
41 using namespace Action;
43 /* === M A C R O S ========================================================= */
45 ACTION_INIT(Action::ValueNodeRemove);
46 ACTION_SET_NAME(Action::ValueNodeRemove,"value_node_remove");
47 ACTION_SET_LOCAL_NAME(Action::ValueNodeRemove,_("Unexport"));
48 ACTION_SET_TASK(Action::ValueNodeRemove,"remove");
49 ACTION_SET_CATEGORY(Action::ValueNodeRemove,Action::CATEGORY_VALUENODE);
50 ACTION_SET_PRIORITY(Action::ValueNodeRemove,0);
51 ACTION_SET_VERSION(Action::ValueNodeRemove,"0.0");
52 ACTION_SET_CVS_ID(Action::ValueNodeRemove,"$Id$");
54 /* === G L O B A L S ======================================================= */
56 /* === P R O C E D U R E S ================================================= */
58 /* === M E T H O D S ======================================================= */
60 Action::ValueNodeRemove::ValueNodeRemove()
65 Action::ValueNodeRemove::get_param_vocab()
67 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
69 ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
70 .set_local_name(_("ValueNode"))
77 Action::ValueNodeRemove::is_candidate(const ParamList &x)
79 if(candidate_check(get_param_vocab(),x))
81 ValueNode::Handle value_node=x.find("value_node")->second.get_value_node();
82 if(!value_node->is_exported())
84 // if(value_node->rcount()!=1)
92 Action::ValueNodeRemove::set_param(const synfig::String& name, const Action::Param ¶m)
94 if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
96 value_node=param.get_value_node();
98 if(value_node && !value_node->is_exported())
100 synfig::error("Action::ValueNodeRemove::set_param(): ValueBase node not exported!");
104 return (bool)value_node;
107 return Action::CanvasSpecific::set_param(name,param);
111 Action::ValueNodeRemove::is_ready()const
114 synfig::error("Action::ValueNodeRemove::is_ready(): ValueNode not set!");
118 return Action::CanvasSpecific::is_ready();
122 Action::ValueNodeRemove::perform()
124 // if(value_node->rcount()!=1)
125 // throw Error(_("ValueNode is still being used by something"));
127 old_name=value_node->get_id();
128 parent_canvas=value_node->get_parent_canvas();
129 parent_canvas->remove_value_node(value_node);
131 if(get_canvas_interface())
133 get_canvas_interface()->signal_value_node_deleted()(value_node);
136 //throw Error(_("Not yet implemented"));
138 assert(value_node->is_exported());
140 if(get_canvas()->value_node_list().count(new_name))
141 throw Error(_("A ValueNode with this ID already exists in this canvas"));
143 old_name=value_node->get_id();
145 value_node->set_id(new_name);
147 if(get_canvas_interface())
149 get_canvas_interface()->signal_value_node_changed()(value_node);
155 Action::ValueNodeRemove::undo()
157 parent_canvas->add_value_node(value_node,old_name);
158 if(get_canvas_interface())
160 get_canvas_interface()->signal_value_node_added()(value_node);
163 //throw Error(_("Not yet implemented"));
165 assert(value_node->is_exported());
167 if(get_canvas()->value_node_list().count(old_name))
168 throw Error(_("A ValueNode with the old ID already exists in this canvas (BUG)"));
170 value_node->set_id(old_name);
172 if(get_canvas_interface())
174 get_canvas_interface()->signal_value_node_changed()(value_node);