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_blinecalctangent.h>
42 #include <synfig/valuenode_blinecalcvertex.h>
43 #include <synfig/valuenode_blinecalcwidth.h>
50 /* === U S I N G =========================================================== */
54 using namespace synfig;
55 using namespace synfigapp;
57 /* === M A C R O S ========================================================= */
59 /* === G L O B A L S ======================================================= */
61 static std::map<loose_handle<Canvas>, loose_handle<Instance> > instance_map_;
63 /* === P R O C E D U R E S ================================================= */
66 synfigapp::is_editable(synfig::ValueNode::Handle value_node)
68 if(ValueNode_Const::Handle::cast_dynamic(value_node)
69 || ValueNode_Animated::Handle::cast_dynamic(value_node)
70 || ValueNode_Composite::Handle::cast_dynamic(value_node)
71 || ValueNode_RadialComposite::Handle::cast_dynamic(value_node)
72 || ValueNode_Reference::Handle::cast_dynamic(value_node)
73 || ValueNode_BLineCalcVertex::Handle::cast_dynamic(value_node)
74 || ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_node)
75 || ValueNode_BLineCalcWidth::Handle::cast_dynamic(value_node)
82 synfigapp::find_instance(etl::handle<synfig::Canvas> canvas)
84 if(instance_map_.count(canvas)==0)
86 return instance_map_[canvas];
89 /* === M E T H O D S ======================================================= */
91 Instance::Instance(etl::handle<synfig::Canvas> canvas):
92 CVSInfo(canvas->get_file_name()),
95 assert(canvas->is_root());
97 unset_selection_manager();
99 instance_map_[canvas]=this;
100 } // END of synfigapp::Instance::Instance()
103 Instance::create(etl::handle<synfig::Canvas> canvas)
105 // Construct a new instance
106 handle<Instance> instance(new Instance(canvas));
109 } // END of synfigapp::Instance::create()
112 Instance::get_file_name()const
114 return get_canvas()->get_file_name();
118 Instance::set_file_name(const synfig::String &name)
120 get_canvas()->set_file_name(name);
121 CVSInfo::set_file_name(name);
124 Instance::~Instance()
126 instance_map_.erase(canvas_);
128 if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
129 synfig::info("Instance::~Instance(): Deleted");
132 handle<CanvasInterface>
133 Instance::find_canvas_interface(synfig::Canvas::Handle canvas)
137 while(canvas->is_inline())
138 canvas=canvas->parent();
140 CanvasInterfaceList::iterator iter;
142 for(iter=canvas_interface_list().begin();iter!=canvas_interface_list().end();iter++)
143 if((*iter)->get_canvas()==canvas)
146 return CanvasInterface::create(this,canvas);
150 Instance::save()const
152 bool ret=save_canvas(get_file_name(),canvas_);
155 reset_action_count();
156 const_cast<sigc::signal<void>& >(signal_saved_)();
162 Instance::save_as(const synfig::String &file_name)
166 String old_file_name(get_file_name());
168 set_file_name(file_name);
170 ret=save_canvas(file_name,canvas_);
174 reset_action_count();
178 set_file_name(old_file_name);
180 signal_filename_changed_();