1 /* === S Y N F I G ========================================================= */
2 /*! \file layerparamunsetstatic.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 "layerparamunsetstatic.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::LayerParamUnSetStatic);
51 ACTION_SET_NAME(Action::LayerParamUnSetStatic,"LayerParamUnSetStatic");
52 ACTION_SET_LOCAL_NAME(Action::LayerParamUnSetStatic,N_("Allow Animation"));
53 ACTION_SET_TASK(Action::LayerParamUnSetStatic,"unsetstatic");
54 ACTION_SET_CATEGORY(Action::LayerParamUnSetStatic,Action::CATEGORY_VALUEDESC);
55 ACTION_SET_PRIORITY(Action::LayerParamUnSetStatic,0);
56 ACTION_SET_VERSION(Action::LayerParamUnSetStatic,"0.0");
57 ACTION_SET_CVS_ID(Action::LayerParamUnSetStatic,"$Id$");
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
LayerParamUnSetStatic()65 Action::LayerParamUnSetStatic::LayerParamUnSetStatic():
66 old_static_value()
67 { }
68
69 Action::ParamVocab
get_param_vocab()70 Action::LayerParamUnSetStatic::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::LayerParamUnSetStatic::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
105 //! Retrieves the current parameter
106 parameter = _layer->get_param(_param_name);
107 //! Check that the parameter is not a inline canvas
108 if(parameter.get_type()==type_canvas && parameter.get(Canvas::Handle()))
109 if(parameter.get(Canvas::Handle())->is_inline())
110 return false;
111 //! Check if it is not static
112 if(!parameter.get_static())
113 return false;
114
115 return true;
116
117 }
118
119 bool
set_param(const synfig::String & name,const Action::Param & param)120 Action::LayerParamUnSetStatic::set_param(const synfig::String& name, const Action::Param ¶m)
121 {
122
123 if(!layer && name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
124 {
125 ValueDesc value_desc(param.get_value_desc());
126 if(!value_desc.parent_is_layer())
127 return false;
128
129 layer=Layer::Handle::cast_dynamic(value_desc.get_layer());
130
131 if(!layer)
132 return false;
133 }
134
135
136 if(param_name.empty() && name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
137 {
138 ValueDesc value_desc(param.get_value_desc());
139
140 if(!value_desc.parent_is_layer())
141 return false;
142
143 param_name=value_desc.get_param_name();
144
145 if(param_name.empty())
146 return false;
147
148 }
149
150 return Action::CanvasSpecific::set_param(name,param);
151 }
152
153 bool
is_ready() const154 Action::LayerParamUnSetStatic::is_ready()const
155 {
156 if(!layer || param_name.empty())
157 return false;
158
159 return Action::CanvasSpecific::is_ready();
160 }
161
162 void
perform()163 Action::LayerParamUnSetStatic::perform()
164 {
165 //! See if the parameter is dynamic
166 if(layer->dynamic_param_list().count(param_name))
167 throw Error(_("This action is not for Value Nodes!"));
168
169 old_static_value=true;
170
171 ValueBase v=layer->get_param(param_name);
172 v.set_static(false);
173 if(!layer->set_param(param_name,v))
174 throw Error(_("Layer did not accept static value."));
175
176 //! Signal layer changed
177 layer->changed();
178 //! Signal that a layer parameter changed
179 if(get_canvas_interface())
180 get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
181 }
182
183 void
undo()184 Action::LayerParamUnSetStatic::undo()
185 {
186 ValueBase v=layer->get_param(param_name);
187 v.set_static(old_static_value);
188 if(!layer->set_param(param_name,v))
189 throw Error(_("Layer did not accept static value."));
190
191 //! Signal layer changed
192 layer->changed();
193 //! Signal that a layer parameter changed
194 if(get_canvas_interface())
195 get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
196 }
197