1 /* === S Y N F I G ========================================================= */
2 /*! \file keyframeadd.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 ======================================================= */
32 #include "keyframeadd.h"
33 #include <synfigapp/canvasinterface.h>
35 #include <synfigapp/general.h>
41 using namespace synfig;
42 using namespace synfigapp;
43 using namespace Action;
45 /* === M A C R O S ========================================================= */
47 ACTION_INIT(Action::KeyframeAdd);
48 ACTION_SET_NAME(Action::KeyframeAdd,"keyframe_add");
49 ACTION_SET_LOCAL_NAME(Action::KeyframeAdd,N_("Add Keyframe"));
50 ACTION_SET_TASK(Action::KeyframeAdd,"add");
51 ACTION_SET_CATEGORY(Action::KeyframeAdd,Action::CATEGORY_KEYFRAME);
52 ACTION_SET_PRIORITY(Action::KeyframeAdd,0);
53 ACTION_SET_VERSION(Action::KeyframeAdd,"0.0");
54 ACTION_SET_CVS_ID(Action::KeyframeAdd,"$Id$");
56 /* === G L O B A L S ======================================================= */
58 /* === P R O C E D U R E S ================================================= */
60 /* === M E T H O D S ======================================================= */
62 Action::KeyframeAdd::KeyframeAdd()
64 keyframe.set_time(Time::begin()-1);
69 Action::KeyframeAdd::get_param_vocab()
71 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
73 ret.push_back(ParamDesc("keyframe",Param::TYPE_KEYFRAME)
74 .set_local_name(_("New Keyframe"))
75 .set_desc(_("Keyframe to be added"))
82 Action::KeyframeAdd::is_candidate(const ParamList &x)
84 if(!candidate_check(get_param_vocab(),x))
91 Action::KeyframeAdd::set_param(const synfig::String& name, const Action::Param ¶m)
93 if(name=="keyframe" && param.get_type()==Param::TYPE_KEYFRAME)
95 keyframe=param.get_keyframe();
100 return Action::CanvasSpecific::set_param(name,param);
104 Action::KeyframeAdd::is_ready()const
106 if(keyframe.get_time()==(Time::begin()-1))
108 return Action::CanvasSpecific::is_ready();
112 Action::KeyframeAdd::perform()
114 try { get_canvas()->keyframe_list().find(keyframe.get_time()); throw Error(_("A Keyframe already exists at this point in time"));}
115 catch(synfig::Exception::NotFound) { }
117 try { get_canvas()->keyframe_list().find(keyframe); throw Error(_("This keyframe is already in the ValueNode"));}
118 catch(synfig::Exception::NotFound) { }
120 get_canvas()->keyframe_list().add(keyframe);
122 if(get_canvas_interface())
124 get_canvas_interface()->signal_keyframe_added()(keyframe);
126 else synfig::warning("CanvasInterface not set on action");
130 Action::KeyframeAdd::undo()
132 if(get_canvas_interface())
134 get_canvas_interface()->signal_keyframe_removed()(keyframe);
136 else synfig::warning("CanvasInterface not set on action");
138 get_canvas()->keyframe_list().erase(keyframe);