1 /* === S Y N F I G ========================================================= */
2 /*! \file layerparamdisconnect.cpp
3 ** \brief Template File
4 **
5 ** $Id$
6 **
7 ** \legal
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 **
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.
14 **
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.
19 ** \endlegal
20 */
21 /* ========================================================================= */
22
23 /* === H E A D E R S ======================================================= */
24
25 #ifdef USING_PCH
26 # include "pch.h"
27 #else
28 #ifdef HAVE_CONFIG_H
29 # include <config.h>
30 #endif
31
32 #include <synfig/general.h>
33
34 #include "layerparamdisconnect.h"
35 #include <synfigapp/canvasinterface.h>
36 #include <synfig/valuenodes/valuenode_dynamiclist.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::LayerParamDisconnect);
51 ACTION_SET_NAME(Action::LayerParamDisconnect,"LayerParamDisconnect");
52 ACTION_SET_LOCAL_NAME(Action::LayerParamDisconnect,N_("Disconnect Layer Parameter"));
53 ACTION_SET_TASK(Action::LayerParamDisconnect,"disconnect");
54 ACTION_SET_CATEGORY(Action::LayerParamDisconnect,Action::CATEGORY_LAYER|Action::CATEGORY_VALUENODE);
55 ACTION_SET_PRIORITY(Action::LayerParamDisconnect,0);
56 ACTION_SET_VERSION(Action::LayerParamDisconnect,"0.0");
57 ACTION_SET_CVS_ID(Action::LayerParamDisconnect,"$Id$");
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
LayerParamDisconnect()65 Action::LayerParamDisconnect::LayerParamDisconnect():
66 time(0)
67 {
68
69 }
70
71 Action::ParamVocab
get_param_vocab()72 Action::LayerParamDisconnect::get_param_vocab()
73 {
74 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
75
76 ret.push_back(ParamDesc("layer",Param::TYPE_LAYER)
77 .set_local_name(_("Layer"))
78 );
79
80 ret.push_back(ParamDesc("param",Param::TYPE_STRING)
81 .set_local_name(_("Param"))
82 );
83
84 ret.push_back(ParamDesc("time",Param::TYPE_STRING)
85 .set_local_name(_("Time"))
86 .set_optional()
87 );
88
89 return ret;
90 }
91
92 bool
is_candidate(const ParamList & x)93 Action::LayerParamDisconnect::is_candidate(const ParamList &x)
94 {
95 return candidate_check(get_param_vocab(),x);
96 }
97
98 bool
set_param(const synfig::String & name,const Action::Param & param)99 Action::LayerParamDisconnect::set_param(const synfig::String& name, const Action::Param ¶m)
100 {
101 if(name=="layer" && param.get_type()==Param::TYPE_LAYER)
102 {
103 layer=param.get_layer();
104
105 return true;
106 }
107
108 if(name=="param" && param.get_type()==Param::TYPE_STRING)
109 {
110 param_name=param.get_string();
111
112 return true;
113 }
114
115 if(name=="time" && param.get_type()==Param::TYPE_TIME)
116 {
117 time=param.get_time();
118
119 return true;
120 }
121
122 return Action::CanvasSpecific::set_param(name,param);
123 }
124
125 bool
is_ready() const126 Action::LayerParamDisconnect::is_ready()const
127 {
128 if(!layer || param_name.empty())
129 return false;
130 return Action::CanvasSpecific::is_ready();
131 }
132
133 void
perform()134 Action::LayerParamDisconnect::perform()
135 {
136 if(!layer->dynamic_param_list().count(param_name))
137 throw Error(_("Layer Parameter is not connected to anything"));
138
139 old_value_node=layer->dynamic_param_list().find(param_name)->second;
140 layer->disconnect_dynamic_param(param_name);
141
142 if(new_value_node || ValueNode_DynamicList::Handle::cast_dynamic(old_value_node))
143 {
144 if(!new_value_node)
145 new_value_node=old_value_node->clone(get_canvas());
146 layer->connect_dynamic_param(param_name,new_value_node);
147 }
148 else
149 layer->set_param(param_name,(*old_value_node)(time));
150
151 layer->changed();
152 old_value_node->changed();
153
154 set_dirty(false);
155
156 if(get_canvas_interface())
157 {
158 get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
159 }
160 }
161
162 void
undo()163 Action::LayerParamDisconnect::undo()
164 {
165 layer->connect_dynamic_param(param_name,old_value_node);
166
167 /* if(layer->active() && get_canvas()->get_time()!=time)
168 set_dirty(true);
169 else
170 set_dirty(false);
171 */
172 layer->changed();
173 old_value_node->changed();
174
175 set_dirty(false);
176
177 if(get_canvas_interface())
178 {
179 get_canvas_interface()->signal_layer_param_changed()(layer,param_name);
180 }
181 }
182