Empty palette class to be bound with tools not in need for a palette.

src/editor/palette/empty_palette.hpp

@@ -0,0 +1,55 @@
+/*
+  Copyright (C) 2012 - 2012 by Fabian Mueller <fabianmueller5@gmx.de>
+  Part of the Battle for Wesnoth Project http://www.wesnoth.org/
+
+  This program 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 program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY.
+
+  See the COPYING file for more details.
+*/
+
+/**
+ * Manage the empty-palette in the editor.
+ */
+
+#ifndef EMPTY_PALETTE_H_INCLUDED
+#define EMPTY_PALETTE_H_INCLUDED
+
+#include "editor_palettes.hpp"
+
+namespace editor {
+	static const std::string empty_string = "";
+
+/** Empty palette */
+class empty_palette : public editor_palette<unit_type> {
+public:
+
+	empty_palette(editor_display &gui, const size_specs &sizes, const config& cfg,
+			mouse_action** active_mouse_action)
+	: editor_palette<unit_type>(gui, sizes, cfg, 0, 0, active_mouse_action) {};
+
+	// think about removing it
+	virtual void setup(const config& /*cfg*/) {};
+
+private:
+	virtual const std::string& get_id(const unit_type& /*terrain*/) { return empty_string; };
+
+	virtual void draw_item(SDL_Rect& /*dstrect*/, const unit_type& /*terrain*/,
+			std::stringstream& /*tooltip_text*/) {};
+
+//	virtual void update_report();
+
+};
+
+/*
+empty_palette::empty_palette(editor_display &gui, const size_specs &sizes, const config& cfg,
+		mouse_action** active_mouse_action)
+	: editor_palette<void*>(gui, sizes, cfg, 0, 0, active_mouse_action) {};
+*/
+
+}
+#endif