1 /* === S Y N F I G ========================================================= */
2 /*! \file canvasremove.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 "canvasremove.h"
33 #include <synfigapp/canvasinterface.h>
39 using namespace synfig;
40 using namespace synfigapp;
41 using namespace Action;
43 /* === M A C R O S ========================================================= */
45 ACTION_INIT(Action::CanvasRemove);
46 ACTION_SET_NAME(Action::CanvasRemove,"canvas_remove");
47 ACTION_SET_LOCAL_NAME(Action::CanvasRemove,"Remove Canvas");
48 ACTION_SET_TASK(Action::CanvasRemove,"remove");
49 ACTION_SET_CATEGORY(Action::CanvasRemove,Action::CATEGORY_CANVAS);
50 ACTION_SET_PRIORITY(Action::CanvasRemove,0);
51 ACTION_SET_VERSION(Action::CanvasRemove,"0.0");
52 ACTION_SET_CVS_ID(Action::CanvasRemove,"$Id$");
54 /* === G L O B A L S ======================================================= */
56 /* === P R O C E D U R E S ================================================= */
58 /* === M E T H O D S ======================================================= */
60 Action::CanvasRemove::CanvasRemove()
65 Action::CanvasRemove::get_param_vocab()
67 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
73 Action::CanvasRemove::is_candidate(const ParamList &x)
75 if(candidate_check(get_param_vocab(),x))
77 Canvas::Handle canvas=x.find("canvas")->second.get_canvas();
79 // We cannot remove the root canvas.
89 Action::CanvasRemove::set_param(const synfig::String& name, const Action::Param ¶m)
91 return Action::CanvasSpecific::set_param(name,param);
95 Action::CanvasRemove::is_ready()const
97 return Action::CanvasSpecific::is_ready();
101 Action::CanvasRemove::perform()
103 // We cannot remove the root canvas.
104 if(get_canvas()->is_root())
105 throw Error(_("You cannot remove the root canvas!"));
107 if(get_canvas()->is_inline())
108 throw Error(_("You cannot remove an inline canvas!"));
110 parent_canvas=get_canvas()->parent();
111 canvas_id=get_canvas()->get_id();
113 assert(parent_canvas);
115 parent_canvas->remove_child_canvas(get_canvas());
117 if(get_canvas_interface())
119 get_canvas_interface()->signal_canvas_removed()(get_canvas());
121 else synfig::warning("CanvasInterface not set on action");
125 Action::CanvasRemove::undo()
127 parent_canvas->add_child_canvas(get_canvas(), canvas_id);
129 if(get_canvas_interface())
131 get_canvas_interface()->signal_canvas_added()(get_canvas());
133 else synfig::warning("CanvasInterface not set on action");