1 /* === S Y N F I G ========================================================= */
2 /*! \file layerparamsetstatic.cpp
3 ** \brief Template File
4 **
5 ** $Id$
6 **
7 ** \legal
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2010 Carlos López
10 **
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
15 **
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
20 ** \endlegal
21 */
22 /* ========================================================================= */
23
24 /* === H E A D E R S ======================================================= */
25
26 #ifdef USING_PCH
27 # include "pch.h"
28 #else
29 #ifdef HAVE_CONFIG_H
30 # include <config.h>
31 #endif
32
33 #include <synfig/general.h>
34
35 #include "layerparamsetstatic.h"
36 #include <synfigapp/canvasinterface.h>
37
38 #include <synfigapp/localization.h>
39
40 #endif
41
42 using namespace std;
43 using namespace etl;
44 using namespace synfig;
45 using namespace synfigapp;
46 using namespace Action;
47
48 /* === M A C R O S ========================================================= */
49
50 ACTION_INIT(Action::LayerParamSetStatic);
51 ACTION_SET_NAME(Action::LayerParamSetStatic,"LayerParamSetStatic");
52 ACTION_SET_LOCAL_NAME(Action::LayerParamSetStatic,N_("Forbid Animation"));
53 ACTION_SET_TASK(Action::LayerParamSetStatic,"setstatic");
54 ACTION_SET_CATEGORY(Action::LayerParamSetStatic,Action::CATEGORY_VALUEDESC);
55 ACTION_SET_PRIORITY(Action::LayerParamSetStatic,0);
56 ACTION_SET_VERSION(Action::LayerParamSetStatic,"0.0");
57 ACTION_SET_CVS_ID(Action::LayerParamSetStatic,"$Id$");
58
59 /* === G L O B A L S ======================================================= */
60
61 /* === P R O C E D U R E S ================================================= */
62
63 /* === M E T H O D S ======================================================= */
64
LayerParamSetStatic()65 Action::LayerParamSetStatic::LayerParamSetStatic():
66 old_static_value()
67 { }
68
69 Action::ParamVocab
get_param_vocab()70 Action::LayerParamSetStatic::get_param_vocab()
71 {
72 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
73
74 ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
75 .set_local_name(_("Value Desc"))
76 );
77
78 return ret;
79 }
80
81 bool
is_candidate(const ParamList & x)82 Action::LayerParamSetStatic::is_candidate(const ParamList &x)
83 {
84 if(!candidate_check(get_param_vocab(),x))
85 return false;
86
87 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
88
89 if(!value_desc.parent_is_layer())
90 return false;
91
92 synfig::ValueBase parameter;
93 synfig::Layer::Handle _layer;
94 synfig::String _param_name;
95 _layer = value_desc.get_layer();
96 _param_name = value_desc.get_param_name();
97
98 if(!_layer || _param_name.empty())
99 return false;
100
101 //!Check that the parameter is not Value Node (Const, Animated or Linkable)
102 if(_layer->dynamic_param_list().count(_param_name))
103 return false;
104 //! Retrieves the current parameter
105 parameter = _layer->get_param(_param_name);
106 //! Check that the parameter is not a inline canvas
107 if(parameter.get_type()==type_canvas && parameter.get(Canvas::Handle()))
108 if(parameter.get(Canvas::Handle())->is_inline())
109 return false;
110 //! Check if it is already static
111 if(parameter.get_static())
112 return false;
113
114 return true;
115
116 }
117
118 bool
set_param(const synfig::String & name,const Action::Param & param)119 Action::LayerParamSetStatic::set_param(const synfig::String& name, const Action::Param ¶m)
120 {
121
122 if(!layer && name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
123 {
124 ValueDesc value_desc(param.get_value_desc());
125 if(!value_desc.parent_is_layer())
126 return false;
127
128 layer=Layer::Handle::cast_dynamic(value_desc.get_layer());
129
130 if(!layer)
131 return false;
132 }
133
134
135 if(param_name.empty() && name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
136 {
137 ValueDesc value_desc(param.get_value_desc());
138 if(!value_desc.parent_is_layer())
139 return false;
140
141 param_name=value_desc.get_param_name();
142
143 if(param_name.empty())
144 return false;
145 }
146
147 return Action::CanvasSpecific::set_param(name,param);
148 }
149
150 bool
is_ready() const151 Action::LayerParamSetStatic::is_ready()const
152 {
153 if(!layer || param_name.empty())
154 return false;
155
156 return Action::CanvasSpecific::is_ready();
157 }
158
159 void
perform()160 Action::LayerParamSetStatic::perform()
161 {
162 //! See if the parameter is dynamic
163 if(layer->dynamic_param_list().count(param_name))
164 throw Error(_("This action is not for Value Nodes!"));
165
166 old_static_value=false;
167
168 ValueBase v=layer->get_param(param_name);
169 v.set_static(true);
170 if(!layer->set_param(param_name,v))
171 throw Error(_("Layer did not accept static value."));
172
173 //! Signal layer changed
174 layer->changed();
175 //! Signal that a layer parameter changed
176 if(get_canvas_interface())
177 get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
178 }
179
180 void
undo()181 Action::LayerParamSetStatic::undo()
182 {
183 ValueBase v=layer->get_param(param_name);
184 v.set_static(old_static_value);
185 if(!layer->set_param(param_name,v))
186 throw Error(_("Layer did not accept static value."));
187
188 //! Signal layer changed
189 layer->changed();
190 //! Signal that a layer parameter changed
191 if(get_canvas_interface())
192 get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
193 }
194