1 /* === S Y N F I G ========================================================= */
2 /*! \file canvasremove.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 "canvasremove.h"
35 #include <synfigapp/canvasinterface.h>
36
37 #include <synfigapp/localization.h>
38
39 #endif
40
41 using namespace std;
42 using namespace etl;
43 using namespace synfig;
44 using namespace synfigapp;
45 using namespace Action;
46
47 /* === M A C R O S ========================================================= */
48
49 ACTION_INIT(Action::CanvasRemove);
50 ACTION_SET_NAME(Action::CanvasRemove,"CanvasRemove");
51 ACTION_SET_LOCAL_NAME(Action::CanvasRemove,N_("Remove Canvas"));
52 ACTION_SET_TASK(Action::CanvasRemove,"remove");
53 ACTION_SET_CATEGORY(Action::CanvasRemove,Action::CATEGORY_CANVAS);
54 ACTION_SET_PRIORITY(Action::CanvasRemove,0);
55 ACTION_SET_VERSION(Action::CanvasRemove,"0.0");
56 ACTION_SET_CVS_ID(Action::CanvasRemove,"$Id$");
57
58 /* === G L O B A L S ======================================================= */
59
60 /* === P R O C E D U R E S ================================================= */
61
62 /* === M E T H O D S ======================================================= */
63
CanvasRemove()64 Action::CanvasRemove::CanvasRemove()
65 {
66 }
67
68 Action::ParamVocab
get_param_vocab()69 Action::CanvasRemove::get_param_vocab()
70 {
71 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
72
73 return ret;
74 }
75
76 bool
is_candidate(const ParamList & x)77 Action::CanvasRemove::is_candidate(const ParamList &x)
78 {
79 if(candidate_check(get_param_vocab(),x))
80 {
81 Canvas::Handle canvas=x.find("canvas")->second.get_canvas();
82 assert(canvas);
83 // We cannot remove the root canvas.
84 if(canvas->is_root())
85 return false;
86
87 return true;
88 }
89 return false;
90 }
91
92 bool
set_param(const synfig::String & name,const Action::Param & param)93 Action::CanvasRemove::set_param(const synfig::String& name, const Action::Param ¶m)
94 {
95 return Action::CanvasSpecific::set_param(name,param);
96 }
97
98 bool
is_ready() const99 Action::CanvasRemove::is_ready()const
100 {
101 return Action::CanvasSpecific::is_ready();
102 }
103
104 void
perform()105 Action::CanvasRemove::perform()
106 {
107 // We cannot remove the root canvas.
108 if(get_canvas()->is_root())
109 throw Error(_("You cannot remove the root canvas!"));
110
111 if(get_canvas()->is_inline())
112 throw Error(_("You cannot remove an canvas from a Group!"));
113
114 parent_canvas=get_canvas()->parent();
115 canvas_id=get_canvas()->get_id();
116
117 assert(parent_canvas);
118
119 parent_canvas->remove_child_canvas(get_canvas());
120
121 if(get_canvas_interface())
122 {
123 get_canvas_interface()->signal_canvas_removed()(get_canvas());
124 }
125 else synfig::warning("CanvasInterface not set on action");
126 }
127
128 void
undo()129 Action::CanvasRemove::undo()
130 {
131 parent_canvas->add_child_canvas(get_canvas(), canvas_id);
132
133 if(get_canvas_interface())
134 {
135 get_canvas_interface()->signal_canvas_added()(get_canvas());
136 }
137 else synfig::warning("CanvasInterface not set on action");
138 }
139