/**************************************************************************/
/*  editor_autoload_settings.h                                            */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
/* the following conditions:                                              */
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/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
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/**************************************************************************/

#ifndef EDITOR_AUTOLOAD_SETTINGS_H
#define EDITOR_AUTOLOAD_SETTINGS_H

#include "scene/gui/box_container.h"
#include "scene/gui/button.h"
#include "scene/gui/tree.h"

class EditorFileDialog;

class EditorAutoloadSettings : public VBoxContainer {
	GDCLASS(EditorAutoloadSettings, VBoxContainer);

	enum {
		BUTTON_OPEN,
		BUTTON_MOVE_UP,
		BUTTON_MOVE_DOWN,
		BUTTON_DELETE
	};

	String path = "res://";
	String autoload_changed = "autoload_changed";

	struct AutoloadInfo {
		String name;
		String path;
		bool is_singleton = false;
		bool in_editor = false;
		int order = 0;
		Node *node = nullptr;

		bool operator==(const AutoloadInfo &p_info) const {
			return order == p_info.order;
		}
	};

	List<AutoloadInfo> autoload_cache;

	bool updating_autoload = false;
	String selected_autoload;

	Tree *tree = nullptr;
	LineEdit *autoload_add_name = nullptr;
	Button *add_autoload = nullptr;
	LineEdit *autoload_add_path = nullptr;
	Label *error_message = nullptr;
	Button *browse_button = nullptr;
	EditorFileDialog *file_dialog = nullptr;

	bool _autoload_name_is_valid(const String &p_name, String *r_error = nullptr);

	void _autoload_add();
	void _autoload_selected();
	void _autoload_edited();
	void _autoload_button_pressed(Object *p_item, int p_column, int p_button, MouseButton p_mouse_button);
	void _autoload_activated();
	void _autoload_path_text_changed(const String p_path);
	void _autoload_text_submitted(const String p_name);
	void _autoload_text_changed(const String p_name);
	void _autoload_open(const String &fpath);
	void _autoload_file_callback(const String &p_path);
	Node *_create_autoload(const String &p_path);

	void _script_created(Ref<Script> p_script);

	Variant get_drag_data_fw(const Point2 &p_point, Control *p_control);
	bool can_drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_control) const;
	void drop_data_fw(const Point2 &p_point, const Variant &p_data, Control *p_control);

	void _set_autoload_add_path(const String &p_text);
	void _browse_autoload_add_path();

protected:
	void _notification(int p_what);
	static void _bind_methods();

public:
	void update_autoload();
	bool autoload_add(const String &p_name, const String &p_path);
	void autoload_remove(const String &p_name);

	EditorAutoloadSettings();
	~EditorAutoloadSettings();
};

#endif // EDITOR_AUTOLOAD_SETTINGS_H