1 /* === S Y N F I G ========================================================= */
2 /*! \file synfigapp/instance.cpp
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
9 ** Copyright (c) 2007, 2008 Chris Moore
11 ** This package is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU General Public License as
13 ** published by the Free Software Foundation; either version 2 of
14 ** the License, or (at your option) any later version.
16 ** This package is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** General Public License for more details.
22 /* ========================================================================= */
24 /* === H E A D E R S ======================================================= */
34 #include "canvasinterface.h"
36 #include <synfig/loadcanvas.h>
37 #include <synfig/savecanvas.h>
38 #include <synfig/valuenode_composite.h>
39 #include <synfig/valuenode_radialcomposite.h>
40 #include <synfig/valuenode_reference.h>
41 #include <synfig/valuenode_blinecalcvertex.h>
42 #include <synfig/valuenode_blinecalctangent.h>
49 /* === U S I N G =========================================================== */
53 using namespace synfig;
54 using namespace synfigapp;
56 /* === M A C R O S ========================================================= */
58 /* === G L O B A L S ======================================================= */
60 static std::map<loose_handle<Canvas>, loose_handle<Instance> > instance_map_;
62 /* === P R O C E D U R E S ================================================= */
65 synfigapp::is_editable(synfig::ValueNode::Handle value_node)
67 if(ValueNode_Const::Handle::cast_dynamic(value_node)
68 || ValueNode_Animated::Handle::cast_dynamic(value_node)
69 || ValueNode_Composite::Handle::cast_dynamic(value_node)
70 || ValueNode_RadialComposite::Handle::cast_dynamic(value_node)
71 || ValueNode_Reference::Handle::cast_dynamic(value_node)
72 || ValueNode_BLineCalcVertex::Handle::cast_dynamic(value_node)
73 || ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_node)
80 synfigapp::find_instance(etl::handle<synfig::Canvas> canvas)
82 if(instance_map_.count(canvas)==0)
84 return instance_map_[canvas];
87 /* === M E T H O D S ======================================================= */
89 Instance::Instance(etl::handle<synfig::Canvas> canvas):
90 CVSInfo(canvas->get_file_name()),
93 assert(canvas->is_root());
95 unset_selection_manager();
97 instance_map_[canvas]=this;
98 } // END of synfigapp::Instance::Instance()
101 Instance::create(etl::handle<synfig::Canvas> canvas)
103 // Construct a new instance
104 handle<Instance> instance(new Instance(canvas));
107 } // END of synfigapp::Instance::create()
110 Instance::get_file_name()const
112 return get_canvas()->get_file_name();
116 Instance::set_file_name(const synfig::String &name)
118 get_canvas()->set_file_name(name);
119 CVSInfo::set_file_name(name);
122 Instance::~Instance()
124 instance_map_.erase(canvas_);
126 if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
127 synfig::info("Instance::~Instance(): Deleted");
130 handle<CanvasInterface>
131 Instance::find_canvas_interface(synfig::Canvas::Handle canvas)
135 while(canvas->is_inline())
136 canvas=canvas->parent();
138 CanvasInterfaceList::iterator iter;
140 for(iter=canvas_interface_list().begin();iter!=canvas_interface_list().end();iter++)
141 if((*iter)->get_canvas()==canvas)
144 return CanvasInterface::create(this,canvas);
148 Instance::save()const
150 bool ret=save_canvas(get_file_name(),canvas_);
153 reset_action_count();
154 const_cast<sigc::signal<void>& >(signal_saved_)();
160 Instance::save_as(const synfig::String &file_name)
164 String old_file_name(get_file_name());
166 set_file_name(file_name);
168 ret=save_canvas(file_name,canvas_);
172 reset_action_count();
176 set_file_name(old_file_name);
178 signal_filename_changed_();