From c5850b8dffa4dfad3f8156582226df57510b564e Mon Sep 17 00:00:00 2001
From: Ivan Mahonin <bh@icystar.com>
Date: Fri, 27 Mar 2015 22:35:09 +0600
Subject: [PATCH] Make relative path for animated filenames while saving

---
 synfig-studio/src/synfigapp/instance.cpp | 40 ++++++++++++++++++++++++
 synfig-studio/src/synfigapp/instance.h   |  2 ++
 2 files changed, 42 insertions(+)

diff --git a/synfig-studio/src/synfigapp/instance.cpp b/synfig-studio/src/synfigapp/instance.cpp
index 019a2fa52c8..e27b43c0f32 100644
--- a/synfig-studio/src/synfigapp/instance.cpp
+++ b/synfig-studio/src/synfigapp/instance.cpp
@@ -458,6 +458,44 @@ Instance::embed_all() {
 	return success;
 }
 
+//! make relative filenames from animated valuenodes
+void Instance::convert_animated_filenames(const Canvas::Handle &canvas, const synfig::String &old_path, const synfig::String &new_path)
+{
+	for(Canvas::iterator i = canvas->begin(); i != canvas->end(); ++i)
+	{
+		const Layer::DynamicParamList &dynamic_param_list = (*i)->dynamic_param_list();
+		Layer::DynamicParamList::const_iterator j = dynamic_param_list.find("filename");
+		if (j != dynamic_param_list.end())
+		{
+			ValueNode_Animated::Handle valuenode_animated = ValueNode_Animated::Handle::cast_dynamic(j->second);
+			if (valuenode_animated)
+			{
+				WaypointList &waypoint_list = valuenode_animated->editable_waypoint_list();
+				for(WaypointList::iterator k = waypoint_list.begin(); k != waypoint_list.end(); ++k)
+				{
+					ValueNode_Const::Handle valuenode_const = ValueNode_Const::Handle::cast_dynamic(k->get_value_node());
+					if (valuenode_const && valuenode_const->get_type() == type_string)
+					{
+						String s = valuenode_const->get_value().get(String());
+						if (!s.empty() && s[0] != '#')
+						{
+							warning(old_path);
+							warning(new_path);
+							if (!is_absolute_path(s) && !old_path.empty()) s = old_path + ETL_DIRECTORY_SEPARATOR + s;
+							s = relative_path(new_path, s);
+							valuenode_const->set_value(s);
+						}
+					}
+				}
+			}
+		}
+
+		etl::handle<Layer_PasteCanvas> layer_paste_canvas = etl::handle<Layer_PasteCanvas>::cast_dynamic(*i);
+		if (layer_paste_canvas && layer_paste_canvas->get_sub_canvas() && !layer_paste_canvas->get_sub_canvas()->is_root())
+			convert_animated_filenames(Canvas::Handle(layer_paste_canvas->get_sub_canvas()), old_path, new_path);
+	}
+
+}
 
 bool
 Instance::save()
@@ -475,6 +513,8 @@ Instance::save_as(const synfig::String &file_name)
 	bool extract_data = false;
 	std::string canvas_filename = file_name;
 
+	convert_animated_filenames(get_canvas(), absolute_path(get_canvas()->get_file_path()), absolute_path(dirname(file_name)));
+
 	// save bitmaps
 	std::set<Layer::Handle> layers_to_save_set;
 	for(std::list<Layer::Handle>::iterator i = layers_to_save.begin(); i != layers_to_save.end(); i++)
diff --git a/synfig-studio/src/synfigapp/instance.h b/synfig-studio/src/synfigapp/instance.h
index 58fddc51025..7fe60aa2997 100644
--- a/synfig-studio/src/synfigapp/instance.h
+++ b/synfig-studio/src/synfigapp/instance.h
@@ -148,6 +148,8 @@ class Instance : public Action::System , public CVSInfo
 
 	bool embed_all();
 
+	void convert_animated_filenames(const synfig::Canvas::Handle &canvas, const synfig::String &old_path, const synfig::String &new_path);
+
 	//! Saves the instance to filename_
 	bool save();