source: synfigstudio/trunk/fuentes/src/synfigapp/actions/waypointremove.cpp @ 481

Last change on this file since 481 was 481, checked in by jrpelegrina, 4 years ago

First release to xenial

File size: 6.0 KB
Line 
1/* === S Y N F I G ========================================================= */
2/*!     \file waypointremove.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 "waypointremove.h"
33#include <synfigapp/canvasinterface.h>
34
35#include <synfigapp/general.h>
36
37#endif
38
39using namespace std;
40using namespace etl;
41using namespace synfig;
42using namespace synfigapp;
43using namespace Action;
44
45/* === M A C R O S ========================================================= */
46
47ACTION_INIT(Action::WaypointRemove);
48ACTION_SET_NAME(Action::WaypointRemove,"WaypointRemove");
49ACTION_SET_LOCAL_NAME(Action::WaypointRemove,N_("Remove Waypoint"));
50ACTION_SET_TASK(Action::WaypointRemove,"remove");
51ACTION_SET_CATEGORY(Action::WaypointRemove,Action::CATEGORY_WAYPOINT);
52ACTION_SET_PRIORITY(Action::WaypointRemove,0);
53ACTION_SET_VERSION(Action::WaypointRemove,"0.0");
54ACTION_SET_CVS_ID(Action::WaypointRemove,"$Id$");
55
56/* === G L O B A L S ======================================================= */
57
58/* === P R O C E D U R E S ================================================= */
59
60/* === M E T H O D S ======================================================= */
61
62Action::WaypointRemove::WaypointRemove()
63{
64        waypoint.set_time(Time::begin()-1);
65        set_dirty(true);
66}
67
68Action::ParamVocab
69Action::WaypointRemove::get_param_vocab()
70{
71        ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
72
73        ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
74                .set_local_name(_("ValueNode (Animated)"))
75        );
76
77        ret.push_back(ParamDesc("waypoint",Param::TYPE_WAYPOINT)
78                .set_local_name(_("Waypoint"))
79                .set_desc(_("Waypoint to be Removed"))
80        );
81
82        return ret;
83}
84
85bool
86Action::WaypointRemove::is_candidate(const ParamList &x)
87{
88        return candidate_check(get_param_vocab(),x);
89}
90
91bool
92Action::WaypointRemove::set_param(const synfig::String& name, const Action::Param &param)
93{
94        if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
95        {
96                value_node=ValueNode_Animated::Handle::cast_dynamic(param.get_value_node());
97
98                return static_cast<bool>(value_node);
99        }
100        if(name=="waypoint" && param.get_type()==Param::TYPE_WAYPOINT)
101        {
102                waypoint=param.get_waypoint();
103
104                return true;
105        }
106
107        return Action::CanvasSpecific::set_param(name,param);
108}
109
110bool
111Action::WaypointRemove::is_ready()const
112{
113        if(!value_node || waypoint.get_time()==(Time::begin()-1))
114                return false;
115        return Action::CanvasSpecific::is_ready();
116}
117
118void
119Action::WaypointRemove::perform()
120{
121        WaypointList::iterator iter(value_node->find(waypoint));
122
123        if((UniqueID)*iter!=(UniqueID)waypoint)
124                throw Error(_("UniqueID mismatch, iter=%d, waypoint=%d"),iter->get_uid(),waypoint.get_uid());
125
126        if(iter->get_time()!=waypoint.get_time())
127                throw Error(_("Time mismatch iter=%s, waypoint=%s"),iter->get_time().get_string().c_str(),waypoint.get_time().get_string().c_str());
128
129        waypoint=*iter;
130
131        value_node->erase(waypoint);
132
133        // In this case, we need to convert this to a
134        // constant value node
135        if(value_node->waypoint_list().size()==0)
136        {
137                if(!value_node_ref)
138                {
139                        value_node_ref=waypoint.get_value_node();
140                        if(!value_node_ref)
141                                throw Error(_("Unable to create ValueNode_Reference"));
142                }
143
144                // fix 2256600 (and 2321845) : deleting the last waypoint of an exported valuenode unexported it
145                // if the waypoint's value isn't exported, set its id to be the id of the parent node
146                if (value_node_ref->get_id() == "" && value_node->get_id() != "")
147                {
148                        const String id(value_node->get_id());
149                        Canvas::LooseHandle canvas(value_node->get_parent_canvas());
150                        canvas->remove_value_node(value_node, false);
151                        canvas->add_value_node(value_node_ref, id);
152                }
153
154                value_node->replace(value_node_ref);
155                value_node->editable_waypoint_list().clear();
156
157                if(get_canvas_interface())
158                {
159                        get_canvas_interface()->signal_value_node_replaced()(value_node,value_node_ref);
160                }
161        }
162
163        value_node->changed();
164}
165
166void
167Action::WaypointRemove::undo()
168{
169        if(value_node_ref)
170        {
171                if(value_node->waypoint_list().size()!=0)
172                        throw Error(_("This animated value node should be empty, but for some reason it isn't. This is a bug. (1)"));
173
174                if (value_node->get_id() == "" && value_node_ref->get_id() != "")
175                {
176                        const String id(value_node_ref->get_id());
177                        Canvas::LooseHandle canvas(value_node_ref->get_parent_canvas());
178                        canvas->remove_value_node(value_node_ref, false);
179                        canvas->add_value_node(value_node, id);
180                }
181
182                value_node_ref->replace(value_node);
183
184                waypoint.set_value_node(value_node_ref);
185
186                if(get_canvas_interface())
187                        get_canvas_interface()->signal_value_node_replaced()(value_node_ref,value_node);
188
189                if(value_node->waypoint_list().size()!=0)
190                        throw Error(_("This animated value node should be empty, but for some reason it isn't. This is a bug. (2)"));
191        }
192
193        if(value_node->waypoint_list().size()!=0)
194        {
195                try { value_node->find(waypoint.get_time()); throw Error(_("A Waypoint already exists at this point in time"));}
196                catch(synfig::Exception::NotFound) { }
197
198                try { if(value_node->find(waypoint)!=value_node->waypoint_list().end()) throw Error(_("This waypoint is already in the ValueNode"));}
199                catch(synfig::Exception::NotFound) { }
200        }
201
202        value_node->add(waypoint);
203
204/*_if(get_canvas_interface())
205        {
206                get_canvas_interface()->signal_value_node_changed()(value_node);
207        }
208        else synfig::warning("CanvasInterface not set on action");*/
209}
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