1 /* === S Y N F I G ========================================================= */
2 /*! \file activepointremove.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) 2008 Chris Moore
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 "activepointremove.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::ActivepointRemove);
51 ACTION_SET_NAME(Action::ActivepointRemove,"ActivepointRemove");
52 ACTION_SET_LOCAL_NAME(Action::ActivepointRemove,N_("Remove Activepoint"));
53 ACTION_SET_TASK(Action::ActivepointRemove,"remove");
54 ACTION_SET_CATEGORY(Action::ActivepointRemove,Action::CATEGORY_ACTIVEPOINT);
55 ACTION_SET_PRIORITY(Action::ActivepointRemove,0);
56 ACTION_SET_VERSION(Action::ActivepointRemove,"0.0");
57 ACTION_SET_CVS_ID(Action::ActivepointRemove,"$Id$");
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
ActivepointRemove()65 Action::ActivepointRemove::ActivepointRemove():
66 index()
67 {
68 activepoint.set_time(Time::begin()-1);
69 set_dirty(true);
70 }
71
72 Action::ParamVocab
get_param_vocab()73 Action::ActivepointRemove::get_param_vocab()
74 {
75 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
76
77 ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
78 .set_local_name(_("ValueDesc"))
79 );
80
81 ret.push_back(ParamDesc("activepoint",Param::TYPE_ACTIVEPOINT)
82 .set_local_name(_("Activepoint"))
83 .set_desc(_("Activepoint to be changed"))
84 );
85
86 return ret;
87 }
88
89 bool
is_candidate(const ParamList & x)90 Action::ActivepointRemove::is_candidate(const ParamList &x)
91 {
92 if (!candidate_check(get_param_vocab(),x))
93 return false;
94
95 ValueDesc value_desc(x.find("value_desc")->second.get_value_desc());
96
97 return (value_desc.parent_is_value_node() &&
98 // We need a dynamic list.
99 ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node()));
100 }
101
102 bool
set_param(const synfig::String & name,const Action::Param & param)103 Action::ActivepointRemove::set_param(const synfig::String& name, const Action::Param ¶m)
104 {
105 if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
106 {
107 ValueDesc value_desc(param.get_value_desc());
108
109 if(!value_desc.parent_is_value_node())
110 return false;
111
112 value_node=ValueNode_DynamicList::Handle::cast_dynamic(value_desc.get_parent_value_node());
113
114 if(!value_node)
115 return false;
116
117 index=value_desc.get_index();
118
119 return true;
120 }
121 if(name=="activepoint" && param.get_type()==Param::TYPE_ACTIVEPOINT)
122 {
123 activepoint=param.get_activepoint();
124
125 return true;
126 }
127
128 return Action::CanvasSpecific::set_param(name,param);
129 }
130
131 bool
is_ready() const132 Action::ActivepointRemove::is_ready()const
133 {
134 if(!value_node || activepoint.get_time()==(Time::begin()-1))
135 return false;
136 return Action::CanvasSpecific::is_ready();
137 }
138
139 void
perform()140 Action::ActivepointRemove::perform()
141 {
142 ValueNode_DynamicList::ListEntry::ActivepointList::iterator iter;
143
144 try { iter=value_node->list[index].find(activepoint); }
145 catch(synfig::Exception::NotFound)
146 {
147 throw Error(_("Unable to find activepoint"));
148 }
149
150 value_node->list[index].erase(activepoint);
151 value_node->changed();
152
153 /*
154 // Signal that a layer has been inserted
155 if(get_canvas_interface())
156 {
157 get_canvas_interface()->signal_value_node_changed()(value_node);
158 }
159 else synfig::warning("CanvasInterface not set on action");
160 */
161 }
162
163 void
undo()164 Action::ActivepointRemove::undo()
165 {
166 try { value_node->list[index].find(activepoint.get_time()); throw Error(_("A Activepoint already exists at this point in time"));}
167 catch(synfig::Exception::NotFound) { }
168
169 try { if(value_node->list[index].find(activepoint)!=value_node->list[index].timing_info.end()) throw Error(_("This activepoint is already in the ValueNode"));}
170 catch(synfig::Exception::NotFound) { }
171
172 value_node->list[index].add(activepoint);
173 value_node->changed();
174 /*
175 // Signal that a layer has been inserted
176 if(get_canvas_interface())
177 {
178 get_canvas_interface()->signal_value_node_changed()(value_node);
179 }
180 else synfig::warning("CanvasInterface not set on action");
181 */
182 }
183