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()
74 time=(Time::begin()-1);
78 Action::ValueDescConvert::get_param_vocab()
80 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
82 ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
83 .set_local_name(_("ValueDesc"))
86 ret.push_back(ParamDesc("type",Param::TYPE_STRING)
87 .set_local_name(_("Type"))
88 .set_desc(_("The type of ValueNode that you want to be converted to"))
91 ret.push_back(ParamDesc("time",Param::TYPE_TIME)
92 .set_local_name(_("Time"))
99 Action::ValueDescConvert::is_candidate(const ParamList &x)
101 return candidate_check(get_param_vocab(),x);
105 Action::ValueDescConvert::set_param(const synfig::String& name, const Action::Param ¶m)
107 if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
109 value_desc=param.get_value_desc();
114 if(name=="type" && param.get_type()==Param::TYPE_STRING)
116 type=param.get_string();
121 if(name=="time" && param.get_type()==Param::TYPE_TIME)
123 time=param.get_time();
128 return Action::CanvasSpecific::set_param(name,param);
132 Action::ValueDescConvert::is_ready()const
134 if(!value_desc || type.empty())
136 if(time==(Time::begin()-1))
138 synfig::error("Missing time");
141 return Action::CanvasSpecific::is_ready();
145 Action::ValueDescConvert::prepare()
151 if(value_desc.is_const())
152 value=value_desc.get_value();
153 else if(value_desc.is_value_node())
154 value=(*value_desc.get_value_node())(time);
156 throw Error(_("Unable to decipher ValueDesc (Bug?)"));
158 ValueNode::Handle src_value_node(LinkableValueNode::create(type,value));
161 throw Error(_("Unable to create new value node"));
164 ValueNode::Handle dest_value_node;
165 dest_value_node=value_desc.get_value_node();
167 Action::Handle action(ValueDescConnect::create());
169 action->set_param("canvas",get_canvas());
170 action->set_param("canvas_interface",get_canvas_interface());
171 action->set_param("src",src_value_node);
172 action->set_param("dest",value_desc);
174 assert(action->is_ready());
175 if(!action->is_ready())
176 throw Error(Error::TYPE_NOTREADY);
178 add_action_front(action);
184 if(value_desc.parent_is_canvas())
186 ValueNode::Handle dest_value_node;
187 dest_value_node=value_desc.get_value_node();
189 Action::Handle action(ValueNodeReplace::create());
191 action->set_param("canvas",get_canvas());
192 action->set_param("canvas_interface",get_canvas_interface());
193 action->set_param("src",src_value_node);
194 action->set_param("dest",dest_value_node);
196 assert(action->is_ready());
197 if(!action->is_ready())
198 throw Error(Error::TYPE_NOTREADY);
200 add_action_front(action);
204 if(value_desc.parent_is_linkable_value_node())
206 Action::Handle action(ValueNodeLinkConnect::create());
208 action->set_param("canvas",get_canvas());
209 action->set_param("canvas_interface",get_canvas_interface());
210 action->set_param("parent_value_node",value_desc.get_parent_value_node());
211 action->set_param("value_node", src_value_node);
212 action->set_param("index",value_desc.get_index());
214 assert(action->is_ready());
215 if(!action->is_ready())
216 throw Error(Error::TYPE_NOTREADY);
218 add_action_front(action);
222 if(value_desc.parent_is_layer_param())
224 Action::Handle action(LayerParamConnect::create());
226 action->set_param("canvas",get_canvas());
227 action->set_param("canvas_interface",get_canvas_interface());
228 action->set_param("layer",value_desc.get_layer());
229 action->set_param("param",value_desc.get_param_name());
230 action->set_param("value_node",src_value_node);
232 assert(action->is_ready());
233 if(!action->is_ready())
234 throw Error(Error::TYPE_NOTREADY);
236 add_action_front(action);
242 throw Error(_("ValueDesc is not recognized or supported."));