/*************************************************************************/
/*  navigation_link_2d_editor_plugin.h                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/*                                                                       */
/* 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:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
/*************************************************************************/

#ifndef NAVIGATION_LINK_2D_EDITOR_PLUGIN_H
#define NAVIGATION_LINK_2D_EDITOR_PLUGIN_H

#include "editor/editor_plugin.h"
#include "scene/2d/navigation_link_2d.h"

class CanvasItemEditor;
class EditorUndoRedoManager;

class NavigationLink2DEditor : public Control {
	GDCLASS(NavigationLink2DEditor, Control);

	Ref<EditorUndoRedoManager> undo_redo;
	CanvasItemEditor *canvas_item_editor = nullptr;
	NavigationLink2D *node;

	bool start_grabbed = false;
	Vector2 original_start_location;

	bool end_grabbed = false;
	Vector2 original_end_location;

protected:
	void _notification(int p_what);
	void _node_removed(Node *p_node);

public:
	bool forward_canvas_gui_input(const Ref<InputEvent> &p_event);
	void forward_canvas_draw_over_viewport(Control *p_overlay);
	void edit(NavigationLink2D *p_node);

	NavigationLink2DEditor();
};

class NavigationLink2DEditorPlugin : public EditorPlugin {
	GDCLASS(NavigationLink2DEditorPlugin, EditorPlugin);

	NavigationLink2DEditor *editor = nullptr;

public:
	virtual bool forward_canvas_gui_input(const Ref<InputEvent> &p_event) override { return editor->forward_canvas_gui_input(p_event); }
	virtual void forward_canvas_draw_over_viewport(Control *p_overlay) override { editor->forward_canvas_draw_over_viewport(p_overlay); }

	virtual String get_name() const override { return "NavigationLink2D"; }
	bool has_main_screen() const override { return false; }
	virtual void edit(Object *p_object) override;
	virtual bool handles(Object *p_object) const override;
	virtual void make_visible(bool p_visible) override;

	NavigationLink2DEditorPlugin();
};

#endif // NAVIGATION_LINK_2D_EDITOR_PLUGIN_H