From d65455185a2e72bbbf5aaa8943643a49cd811fce Mon Sep 17 00:00:00 2001
From: krzycho <krzycho_s@tlen.pl>
Date: Sun, 21 Jun 2015 21:55:47 +0200
Subject: [PATCH 1/2] - added GDscript bidings for UndoRedo class mechanizm

- registered UndoRedo
---
 core/undo_redo.cpp           | 120 +++++++++++++++++++++++++++++++++++
 core/undo_redo.h             |   7 ++
 doc/base/classes.xml         |   2 +-
 tools/editor/editor_node.cpp |   1 +
 4 files changed, 129 insertions(+), 1 deletion(-)

diff --git a/core/undo_redo.cpp b/core/undo_redo.cpp
index 5e7df3be7e6..a93e469f3fc 100644
--- a/core/undo_redo.cpp
+++ b/core/undo_redo.cpp
@@ -339,3 +339,123 @@ UndoRedo::~UndoRedo() {
 
 	clear_history();
 }
+
+Variant UndoRedo::_add_do_method(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
+
+	if (p_argcount<1) {
+		r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
+		r_error.argument=0;
+		return Variant();
+	}
+
+	if (p_args[0]->get_type()!=Variant::OBJECT) {
+		r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+		r_error.argument=0;
+		r_error.expected=Variant::OBJECT;
+		return Variant();
+	}
+
+	if (p_args[1]->get_type()!=Variant::STRING) {
+		r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+		r_error.argument=1;
+		r_error.expected=Variant::STRING;
+		return Variant();
+	}
+
+	r_error.error=Variant::CallError::CALL_OK;
+
+	Object* object = *p_args[0];
+	String method = *p_args[1];
+
+	Variant v[VARIANT_ARG_MAX];
+
+
+	for(int i=0;i<MIN(VARIANT_ARG_MAX,p_argcount-2);++i) {
+
+		v[i]=*p_args[i+2];
+	}
+
+	add_do_method(object,method,v[0],v[1],v[2],v[3],v[4]);
+	return Variant();
+}
+
+Variant UndoRedo::_add_undo_method(const Variant** p_args, int p_argcount, Variant::CallError& r_error) {
+
+	if (p_argcount<1) {
+		r_error.error=Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
+		r_error.argument=0;
+		return Variant();
+	}
+
+	if (p_args[0]->get_type()!=Variant::OBJECT) {
+		r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+		r_error.argument=0;
+		r_error.expected=Variant::OBJECT;
+		return Variant();
+	}
+
+	if (p_args[1]->get_type()!=Variant::STRING) {
+		r_error.error=Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
+		r_error.argument=1;
+		r_error.expected=Variant::STRING;
+		return Variant();
+	}
+
+	r_error.error=Variant::CallError::CALL_OK;
+
+	Object* object = *p_args[0];
+	String method = *p_args[1];
+
+	Variant v[VARIANT_ARG_MAX];
+
+
+	for(int i=0;i<MIN(VARIANT_ARG_MAX,p_argcount-2);++i) {
+
+		v[i]=*p_args[i+2];
+	}
+
+	add_undo_method(object,method,v[0],v[1],v[2],v[3],v[4]);
+	return Variant();
+}
+
+void UndoRedo::_bind_methods() {
+
+	ObjectTypeDB::bind_method(_MD("create_action","name","mergeable"),&UndoRedo::create_action, DEFVAL(false) );
+	ObjectTypeDB::bind_method(_MD("commit_action"),&UndoRedo::commit_action);
+	
+	//ObjectTypeDB::bind_method(_MD("add_do_method","p_object", "p_method", "VARIANT_ARG_LIST"),&UndoRedo::add_do_method);
+	//ObjectTypeDB::bind_method(_MD("add_undo_method","p_object", "p_method", "VARIANT_ARG_LIST"),&UndoRedo::add_undo_method);
+	
+	{
+		MethodInfo mi;
+		mi.name="add_do_method";
+		mi.arguments.push_back( PropertyInfo( Variant::OBJECT, "object"));
+		mi.arguments.push_back( PropertyInfo( Variant::STRING, "method"));
+		Vector<Variant> defargs;
+		for(int i=0;i<VARIANT_ARG_MAX;++i) {
+			mi.arguments.push_back( PropertyInfo( Variant::NIL, "arg"+itos(i)));
+			defargs.push_back(Variant());
+		}
+
+		ObjectTypeDB::bind_native_method(METHOD_FLAGS_DEFAULT,"add_do_method",&UndoRedo::_add_do_method,mi,defargs);
+	}
+
+	{
+		MethodInfo mi;
+		mi.name="add_undo_method";
+		mi.arguments.push_back( PropertyInfo( Variant::OBJECT, "object"));
+		mi.arguments.push_back( PropertyInfo( Variant::STRING, "method"));
+		Vector<Variant> defargs;
+		for(int i=0;i<VARIANT_ARG_MAX;++i) {
+			mi.arguments.push_back( PropertyInfo( Variant::NIL, "arg"+itos(i)));
+			defargs.push_back(Variant());
+		}
+
+		ObjectTypeDB::bind_native_method(METHOD_FLAGS_DEFAULT,"add_undo_method",&UndoRedo::_add_undo_method,mi,defargs);
+	}
+
+	ObjectTypeDB::bind_method(_MD("add_do_property","object", "property", "value"),&UndoRedo::add_do_property);
+	ObjectTypeDB::bind_method(_MD("add_undo_property","object", "property", "value"),&UndoRedo::add_undo_property);
+	ObjectTypeDB::bind_method(_MD("add_do_reference","object"),&UndoRedo::add_do_reference);
+	ObjectTypeDB::bind_method(_MD("add_undo_reference","object"),&UndoRedo::add_undo_reference);
+}
\ No newline at end of file
diff --git a/core/undo_redo.h b/core/undo_redo.h
index d1b2d3de9ed..a9187534c14 100644
--- a/core/undo_redo.h
+++ b/core/undo_redo.h
@@ -38,9 +38,12 @@
 class UndoRedo : public Object {
 
 	OBJ_TYPE(UndoRedo,Object);
+	OBJ_SAVE_TYPE( UndoRedo );
 public:
 
 	typedef void (*CommitNotifyCallback)(void *p_ud,const String& p_name);
+	Variant _add_do_method(const Variant** p_args, int p_argcount, Variant::CallError& r_error);
+	Variant _add_undo_method(const Variant** p_args, int p_argcount, Variant::CallError& r_error);
 
 private:
 	struct Operation {
@@ -81,6 +84,10 @@ private:
 	CommitNotifyCallback callback;
 	void* callback_ud;
 
+
+protected:
+	static void _bind_methods();
+
 public:
 
 	void create_action(const String& p_name="",bool p_mergeable=false);
diff --git a/doc/base/classes.xml b/doc/base/classes.xml
index 57ca460979f..41721647e29 100644
--- a/doc/base/classes.xml
+++ b/doc/base/classes.xml
@@ -8783,7 +8783,7 @@
 			</description>
 		</method>
 		<method name="get_undo_redo"  >
-			<return type="Object">
+			<return type="UndoRedo">
 			</return>
 			<description>
 			</description>
diff --git a/tools/editor/editor_node.cpp b/tools/editor/editor_node.cpp
index 373c8aba737..ce96e0b6f53 100644
--- a/tools/editor/editor_node.cpp
+++ b/tools/editor/editor_node.cpp
@@ -3236,6 +3236,7 @@ void EditorNode::register_editor_types() {
 	ObjectTypeDB::register_type<EditorScenePostImport>();
 	ObjectTypeDB::register_type<EditorScript>();
 	ObjectTypeDB::register_type<EditorFileDialog>();
+	ObjectTypeDB::register_type<UndoRedo>();
 
 
 	//ObjectTypeDB::register_type<EditorImporter>();

From fafcc52d1cdf13a57fad613944109169b3be5594 Mon Sep 17 00:00:00 2001
From: krzycho <krzycho_s@tlen.pl>
Date: Mon, 22 Jun 2015 14:42:52 +0200
Subject: [PATCH 2/2] added some missing biddings

---
 core/undo_redo.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/undo_redo.cpp b/core/undo_redo.cpp
index a93e469f3fc..bb001c9f73a 100644
--- a/core/undo_redo.cpp
+++ b/core/undo_redo.cpp
@@ -458,4 +458,7 @@ void UndoRedo::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("add_undo_property","object", "property", "value"),&UndoRedo::add_undo_property);
 	ObjectTypeDB::bind_method(_MD("add_do_reference","object"),&UndoRedo::add_do_reference);
 	ObjectTypeDB::bind_method(_MD("add_undo_reference","object"),&UndoRedo::add_undo_reference);
+	ObjectTypeDB::bind_method(_MD("clear_history"),&UndoRedo::clear_history);
+	ObjectTypeDB::bind_method(_MD("get_current_action_name"),&UndoRedo::get_current_action_name);
+	ObjectTypeDB::bind_method(_MD("get_version"),&UndoRedo::get_version);
 }
\ No newline at end of file