1 /* === S Y N F I G ========================================================= */
2 /*! \file valuedescconvert.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 ======================================================= */
33 #include "valuenodereplace.h"
34 #include "layerparamconnect.h"
35 #include "valuenodelinkconnect.h"
38 #include "valuedescconnect.h"
40 #include "valuedescconvert.h"
42 #include <synfigapp/canvasinterface.h>
43 #include <synfig/valuenode_const.h>
45 #include <synfigapp/general.h>
51 using namespace synfig;
52 using namespace synfigapp;
53 using namespace Action;
55 /* === M A C R O S ========================================================= */
57 ACTION_INIT(Action::ValueDescConvert);
58 ACTION_SET_NAME(Action::ValueDescConvert,"value_desc_convert");
59 ACTION_SET_LOCAL_NAME(Action::ValueDescConvert,N_("Convert"));
60 ACTION_SET_TASK(Action::ValueDescConvert,"convert");
61 ACTION_SET_CATEGORY(Action::ValueDescConvert,Action::CATEGORY_VALUEDESC);
62 ACTION_SET_PRIORITY(Action::ValueDescConvert,0);
63 ACTION_SET_VERSION(Action::ValueDescConvert,"0.0");
64 ACTION_SET_CVS_ID(Action::ValueDescConvert,"$Id$");
66 /* === G L O B A L S ======================================================= */
68 /* === P R O C E D U R E S ================================================= */
70 /* === M E T H O D S ======================================================= */
72 Action::ValueDescConvert::ValueDescConvert()
77 Action::ValueDescConvert::get_param_vocab()
79 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
81 ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
82 .set_local_name(_("ValueDesc"))
85 ret.push_back(ParamDesc("type",Param::TYPE_STRING)
86 .set_local_name(_("Type"))
87 .set_desc(_("The type of ValueNode that you want to be converted to"))
94 Action::ValueDescConvert::is_candidate(const ParamList &x)
96 return candidate_check(get_param_vocab(),x);
100 Action::ValueDescConvert::set_param(const synfig::String& name, const Action::Param ¶m)
102 if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
104 value_desc=param.get_value_desc();
109 if(name=="type" && param.get_type()==Param::TYPE_STRING)
111 type=param.get_string();
116 return Action::CanvasSpecific::set_param(name,param);
120 Action::ValueDescConvert::is_ready()const
122 if(!value_desc || type.empty())
124 return Action::CanvasSpecific::is_ready();
128 Action::ValueDescConvert::prepare()
134 if(value_desc.is_const())
135 value=value_desc.get_value();
136 else if(value_desc.is_value_node())
137 value=(*value_desc.get_value_node())(0);
139 throw Error(_("Unable to decipher ValueDesc (Bug?)"));
141 ValueNode::Handle src_value_node(LinkableValueNode::create(type,value));
144 throw Error(_("Unable to create new value node"));
147 ValueNode::Handle dest_value_node;
148 dest_value_node=value_desc.get_value_node();
150 Action::Handle action(ValueDescConnect::create());
152 action->set_param("canvas",get_canvas());
153 action->set_param("canvas_interface",get_canvas_interface());
154 action->set_param("src",src_value_node);
155 action->set_param("dest",value_desc);
157 assert(action->is_ready());
158 if(!action->is_ready())
159 throw Error(Error::TYPE_NOTREADY);
161 add_action_front(action);
167 if(value_desc.parent_is_canvas())
169 ValueNode::Handle dest_value_node;
170 dest_value_node=value_desc.get_value_node();
172 Action::Handle action(ValueNodeReplace::create());
174 action->set_param("canvas",get_canvas());
175 action->set_param("canvas_interface",get_canvas_interface());
176 action->set_param("src",src_value_node);
177 action->set_param("dest",dest_value_node);
179 assert(action->is_ready());
180 if(!action->is_ready())
181 throw Error(Error::TYPE_NOTREADY);
183 add_action_front(action);
187 if(value_desc.parent_is_linkable_value_node())
189 Action::Handle action(ValueNodeLinkConnect::create());
191 action->set_param("canvas",get_canvas());
192 action->set_param("canvas_interface",get_canvas_interface());
193 action->set_param("parent_value_node",value_desc.get_parent_value_node());
194 action->set_param("value_node", src_value_node);
195 action->set_param("index",value_desc.get_index());
197 assert(action->is_ready());
198 if(!action->is_ready())
199 throw Error(Error::TYPE_NOTREADY);
201 add_action_front(action);
205 if(value_desc.parent_is_layer_param())
207 Action::Handle action(LayerParamConnect::create());
209 action->set_param("canvas",get_canvas());
210 action->set_param("canvas_interface",get_canvas_interface());
211 action->set_param("layer",value_desc.get_layer());
212 action->set_param("param",value_desc.get_param_name());
213 action->set_param("value_node",src_value_node);
215 assert(action->is_ready());
216 if(!action->is_ready())
217 throw Error(Error::TYPE_NOTREADY);
219 add_action_front(action);
225 throw Error(_("ValueDesc is not recognized or supported."));