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_greyed.h>
42 #include <synfig/valuenode_blinecalctangent.h>
43 #include <synfig/valuenode_blinecalcvertex.h>
44 #include <synfig/valuenode_blinecalcwidth.h>
51 /* === U S I N G =========================================================== */
55 using namespace synfig;
56 using namespace synfigapp;
58 /* === M A C R O S ========================================================= */
60 /* === G L O B A L S ======================================================= */
62 static std::map<loose_handle<Canvas>, loose_handle<Instance> > instance_map_;
64 /* === P R O C E D U R E S ================================================= */
67 synfigapp::is_editable(synfig::ValueNode::Handle value_node)
69 if(ValueNode_Const::Handle::cast_dynamic(value_node)
70 || ValueNode_Animated::Handle::cast_dynamic(value_node)
71 || ValueNode_Composite::Handle::cast_dynamic(value_node)
72 || ValueNode_RadialComposite::Handle::cast_dynamic(value_node)
73 ||(ValueNode_Reference::Handle::cast_dynamic(value_node) && !ValueNode_Greyed::Handle::cast_dynamic(value_node))
74 || ValueNode_BLineCalcVertex::Handle::cast_dynamic(value_node)
75 || ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_node)
76 || ValueNode_BLineCalcWidth::Handle::cast_dynamic(value_node)
83 synfigapp::find_instance(etl::handle<synfig::Canvas> canvas)
85 if(instance_map_.count(canvas)==0)
87 return instance_map_[canvas];
90 /* === M E T H O D S ======================================================= */
92 Instance::Instance(etl::handle<synfig::Canvas> canvas):
93 CVSInfo(canvas->get_file_name()),
96 assert(canvas->is_root());
98 unset_selection_manager();
100 instance_map_[canvas]=this;
101 } // END of synfigapp::Instance::Instance()
104 Instance::create(etl::handle<synfig::Canvas> canvas)
106 // Construct a new instance
107 handle<Instance> instance(new Instance(canvas));
110 } // END of synfigapp::Instance::create()
113 Instance::get_file_name()const
115 return get_canvas()->get_file_name();
119 Instance::set_file_name(const synfig::String &name)
121 get_canvas()->set_file_name(name);
122 CVSInfo::set_file_name(name);
125 Instance::~Instance()
127 instance_map_.erase(canvas_);
129 if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
130 synfig::info("Instance::~Instance(): Deleted");
133 handle<CanvasInterface>
134 Instance::find_canvas_interface(synfig::Canvas::Handle canvas)
138 while(canvas->is_inline())
139 canvas=canvas->parent();
141 CanvasInterfaceList::iterator iter;
143 for(iter=canvas_interface_list().begin();iter!=canvas_interface_list().end();iter++)
144 if((*iter)->get_canvas()==canvas)
147 return CanvasInterface::create(this,canvas);
151 Instance::save()const
153 bool ret=save_canvas(get_file_name(),canvas_);
156 reset_action_count();
157 const_cast<sigc::signal<void>& >(signal_saved_)();
163 Instance::save_as(const synfig::String &file_name)
167 String old_file_name(get_file_name());
169 set_file_name(file_name);
171 ret=save_canvas(file_name,canvas_);
175 reset_action_count();
179 set_file_name(old_file_name);
181 signal_filename_changed_();