Remove ancient trunk folder from svn repository

[synfig.git] / synfig-studio / src / synfigapp / instance.cpp

diff --git a/synfig-studio/src/synfigapp/instance.cpp b/synfig-studio/src/synfigapp/instance.cpp
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+++ b/synfig-studio/src/synfigapp/instance.cpp
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+/* === S Y N F I G ========================================================= */
+/*!    \file synfigapp/instance.cpp
+**     \brief Instance
+**
+**     $Id$
+**
+**     \legal
+**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**     Copyright (c) 2007, 2008 Chris Moore
+**
+**     This package is free software; you can redistribute it and/or
+**     modify it under the terms of the GNU General Public License as
+**     published by the Free Software Foundation; either version 2 of
+**     the License, or (at your option) any later version.
+**
+**     This package is distributed in the hope that it will be useful,
+**     but WITHOUT ANY WARRANTY; without even the implied warranty of
+**     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+**     General Public License for more details.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef USING_PCH
+#      include "pch.h"
+#else
+#ifdef HAVE_CONFIG_H
+#      include <config.h>
+#endif
+
+#include "instance.h"
+#include "canvasinterface.h"
+#include <iostream>
+#include <synfig/loadcanvas.h>
+#include <synfig/savecanvas.h>
+#include <synfig/valuenode_composite.h>
+#include <synfig/valuenode_radialcomposite.h>
+#include <synfig/valuenode_reference.h>
+#include <synfig/valuenode_greyed.h>
+#include <synfig/valuenode_blinecalctangent.h>
+#include <synfig/valuenode_blinecalcvertex.h>
+#include <synfig/valuenode_blinecalcwidth.h>
+#include <synfig/valuenode_scale.h>
+#include <map>
+
+#include "general.h"
+
+#endif
+
+/* === U S I N G =========================================================== */
+
+using namespace std;
+using namespace etl;
+using namespace synfig;
+using namespace synfigapp;
+
+/* === M A C R O S ========================================================= */
+
+/* === G L O B A L S ======================================================= */
+
+static std::map<loose_handle<Canvas>, loose_handle<Instance> > instance_map_;
+
+/* === P R O C E D U R E S ================================================= */
+
+bool
+synfigapp::is_editable(synfig::ValueNode::Handle value_node)
+{
+       if(ValueNode_Const::Handle::cast_dynamic(value_node)
+               || ValueNode_Animated::Handle::cast_dynamic(value_node)
+               || ValueNode_Composite::Handle::cast_dynamic(value_node)
+               || ValueNode_RadialComposite::Handle::cast_dynamic(value_node)
+               ||(ValueNode_Reference::Handle::cast_dynamic(value_node) && !ValueNode_Greyed::Handle::cast_dynamic(value_node))
+               || ValueNode_BLineCalcVertex::Handle::cast_dynamic(value_node)
+               || ValueNode_BLineCalcTangent::Handle::cast_dynamic(value_node)
+               || ValueNode_BLineCalcWidth::Handle::cast_dynamic(value_node)
+               || ValueNode_Scale::Handle::cast_dynamic(value_node)
+       )
+               return true;
+       return false;
+}
+
+etl::handle<Instance>
+synfigapp::find_instance(etl::handle<synfig::Canvas> canvas)
+{
+       if(instance_map_.count(canvas)==0)
+               return 0;
+       return instance_map_[canvas];
+}
+
+/* === M E T H O D S ======================================================= */
+
+Instance::Instance(etl::handle<synfig::Canvas> canvas):
+       CVSInfo(canvas->get_file_name()),
+       canvas_(canvas)
+{
+       assert(canvas->is_root());
+
+       unset_selection_manager();
+
+       instance_map_[canvas]=this;
+} // END of synfigapp::Instance::Instance()
+
+handle<Instance>
+Instance::create(etl::handle<synfig::Canvas> canvas)
+{
+       // Construct a new instance
+       handle<Instance> instance(new Instance(canvas));
+
+       return instance;
+} // END of synfigapp::Instance::create()
+
+synfig::String
+Instance::get_file_name()const
+{
+       return get_canvas()->get_file_name();
+}
+
+void
+Instance::set_file_name(const synfig::String &name)
+{
+       get_canvas()->set_file_name(name);
+       CVSInfo::set_file_name(name);
+}
+
+Instance::~Instance()
+{
+       instance_map_.erase(canvas_);
+
+       if (getenv("SYNFIG_DEBUG_DESTRUCTORS"))
+               synfig::info("Instance::~Instance(): Deleted");
+}
+
+handle<CanvasInterface>
+Instance::find_canvas_interface(synfig::Canvas::Handle canvas)
+{
+       if(!canvas)
+               return 0;
+       while(canvas->is_inline())
+               canvas=canvas->parent();
+
+       CanvasInterfaceList::iterator iter;
+
+       for(iter=canvas_interface_list().begin();iter!=canvas_interface_list().end();iter++)
+               if((*iter)->get_canvas()==canvas)
+                       return *iter;
+
+       return CanvasInterface::create(this,canvas);
+}
+
+bool
+Instance::save()const
+{
+       bool ret=save_canvas(get_file_name(),canvas_);
+       if(ret)
+       {
+               reset_action_count();
+               const_cast<sigc::signal<void>& >(signal_saved_)();
+       }
+       return ret;
+}
+
+bool
+Instance::save_as(const synfig::String &file_name)
+{
+       bool ret;
+
+       String old_file_name(get_file_name());
+
+       set_file_name(file_name);
+
+       ret=save_canvas(file_name,canvas_);
+
+       if(ret)
+       {
+               reset_action_count();
+               signal_saved_();
+       }
+       else
+               set_file_name(old_file_name);
+
+       signal_filename_changed_();
+
+       return ret;
+}