1 /* === S Y N F I G ========================================================= */
2 /*! \file valuenodelinkconnect.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 "valuenodelinkconnect.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::ValueNodeLinkConnect);
50 ACTION_SET_NAME(Action::ValueNodeLinkConnect,"ValueNodeLinkConnect");
51 ACTION_SET_LOCAL_NAME(Action::ValueNodeLinkConnect,N_("Connect ValueNode Link"));
52 ACTION_SET_TASK(Action::ValueNodeLinkConnect,"connect");
53 ACTION_SET_CATEGORY(Action::ValueNodeLinkConnect,Action::CATEGORY_LAYER|Action::CATEGORY_VALUENODE);
54 ACTION_SET_PRIORITY(Action::ValueNodeLinkConnect,0);
55 ACTION_SET_VERSION(Action::ValueNodeLinkConnect,"0.0");
56 ACTION_SET_CVS_ID(Action::ValueNodeLinkConnect,"$Id$");
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
ValueNodeLinkConnect()64 Action::ValueNodeLinkConnect::ValueNodeLinkConnect():
65 index(-1) // Initially set it to negative one so that we know when it has changed
66 {
67 }
68
69 Action::ParamVocab
get_param_vocab()70 Action::ValueNodeLinkConnect::get_param_vocab()
71 {
72 ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
73
74 ret.push_back(ParamDesc("parent_value_node",Param::TYPE_VALUENODE)
75 .set_local_name(_("Parent ValueNode"))
76 );
77
78 ret.push_back(ParamDesc("index",Param::TYPE_INTEGER)
79 .set_local_name(_("Index"))
80 );
81
82 ret.push_back(ParamDesc("value_node",Param::TYPE_VALUENODE)
83 .set_local_name(_("ValueNode to be connected"))
84 );
85
86 return ret;
87 }
88
89 bool
is_candidate(const ParamList & x)90 Action::ValueNodeLinkConnect::is_candidate(const ParamList &x)
91 {
92 return candidate_check(get_param_vocab(),x);
93 }
94
95 bool
set_param(const synfig::String & name,const Action::Param & param)96 Action::ValueNodeLinkConnect::set_param(const synfig::String& name, const Action::Param ¶m)
97 {
98 if(name=="parent_value_node" && param.get_type()==Param::TYPE_VALUENODE)
99 {
100 parent_value_node=LinkableValueNode::Handle::cast_dynamic(param.get_value_node());
101
102 return static_cast<bool>(parent_value_node);
103 }
104
105 if(name=="value_node" && param.get_type()==Param::TYPE_VALUENODE)
106 {
107 new_value_node=param.get_value_node();
108
109 return true;
110 }
111
112 if(name=="index" && param.get_type()==Param::TYPE_INTEGER)
113 {
114 index=param.get_integer();
115
116 return true;
117 }
118
119 return Action::CanvasSpecific::set_param(name,param);
120 }
121
122 bool
is_ready() const123 Action::ValueNodeLinkConnect::is_ready()const
124 {
125 if(!new_value_node || !parent_value_node || index==-1)
126 return false;
127 return Action::CanvasSpecific::is_ready();
128 }
129
130 void
perform()131 Action::ValueNodeLinkConnect::perform()
132 {
133 if(parent_value_node->link_count()<=index)
134 throw Error(_("Bad index, too big. LinkCount=%d, Index=%d"),parent_value_node->link_count(),index);
135
136 old_value_node=parent_value_node->get_link(index);
137
138 if(!parent_value_node->set_link(index,new_value_node))
139 throw Error(_("Parent would not accept link"));
140
141 /*set_dirty(true);
142
143 if(get_canvas_interface())
144 {
145 get_canvas_interface()->signal_value_node_changed()(parent_value_node);
146 }*/
147 }
148
149 void
undo()150 Action::ValueNodeLinkConnect::undo()
151 {
152 if(parent_value_node->link_count()<=index)
153 throw Error(_("Bad index, too big. LinkCount=%d, Index=%d"),parent_value_node->link_count(),index);
154
155 if(!parent_value_node->set_link(index,old_value_node))
156 throw Error(_("Parent would not accept old link"));
157
158 /*set_dirty(true);
159
160 if(get_canvas_interface())
161 {
162 get_canvas_interface()->signal_value_node_changed()(parent_value_node);
163 }*/
164 }
165