/**************************************************************************/
/*  node_dock.cpp                                                         */
/**************************************************************************/
/*                         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.        */
/*                                                                        */
/* 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   */
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/**************************************************************************/

#include "node_dock.h"

#include "core/io/config_file.h"
#include "editor/scene/connections_dialog.h"
#include "editor/settings/editor_command_palette.h"
#include "editor/themes/editor_scale.h"

void NodeDock::show_groups() {
	groups_button->set_pressed(true);
	connections_button->set_pressed(false);
	groups->show();
	connections->hide();
}

void NodeDock::show_connections() {
	groups_button->set_pressed(false);
	connections_button->set_pressed(true);
	groups->hide();
	connections->show();
}

void NodeDock::save_layout_to_config(Ref<ConfigFile> &p_layout, const String &p_section) const {
	p_layout->set_value(p_section, "current_tab", int(groups_button->is_pressed()));
}

void NodeDock::load_layout_from_config(const Ref<ConfigFile> &p_layout, const String &p_section) {
	const int current_tab = p_layout->get_value(p_section, "current_tab", 0);
	if (current_tab == 0) {
		show_connections();
	} else if (current_tab == 1) {
		show_groups();
	}
}

void NodeDock::_notification(int p_what) {
	switch (p_what) {
		case NOTIFICATION_THEME_CHANGED: {
			connections_button->set_button_icon(get_editor_theme_icon(SNAME("Signals")));
			groups_button->set_button_icon(get_editor_theme_icon(SNAME("Groups")));
		} break;
	}
}

void NodeDock::update_lists() {
	connections->update_tree();
}

void NodeDock::set_selection(const Vector<Object *> &p_objects) {
	connections->set_selection(p_objects);

	Vector<Node *> nodes;
	for (Object *obj : p_objects) {
		Node *n = Object::cast_to<Node>(obj);
		if (n) {
			nodes.append(n);
		}
	}
	groups->set_selection(nodes);
}

NodeDock::NodeDock() {
	singleton = this;
	set_name(TTRC("Node"));
	set_icon_name("Object");
	set_dock_shortcut(ED_SHORTCUT_AND_COMMAND("docks/open_node", TTRC("Open Node Dock")));
	set_default_slot(EditorDockManager::DOCK_SLOT_RIGHT_UL);

	VBoxContainer *main_vb = memnew(VBoxContainer);
	add_child(main_vb);

	mode_hb = memnew(HBoxContainer);
	main_vb->add_child(mode_hb);

	connections_button = memnew(Button);
	connections_button->set_theme_type_variation(SceneStringName(FlatButton));
	connections_button->set_text(TTRC("Signals"));
	connections_button->set_toggle_mode(true);
	connections_button->set_h_size_flags(SIZE_EXPAND_FILL);
	connections_button->set_clip_text(true);
	mode_hb->add_child(connections_button);
	connections_button->connect(SceneStringName(pressed), callable_mp(this, &NodeDock::show_connections));

	groups_button = memnew(Button);
	groups_button->set_theme_type_variation(SceneStringName(FlatButton));
	groups_button->set_text(TTRC("Groups"));
	groups_button->set_toggle_mode(true);
	groups_button->set_h_size_flags(SIZE_EXPAND_FILL);
	groups_button->set_clip_text(true);
	mode_hb->add_child(groups_button);
	groups_button->connect(SceneStringName(pressed), callable_mp(this, &NodeDock::show_groups));

	connections = memnew(ConnectionsDock);
	main_vb->add_child(connections);
	connections->set_v_size_flags(SIZE_EXPAND_FILL);
	connections->hide();

	groups = memnew(GroupsEditor);
	main_vb->add_child(groups);
	groups->set_v_size_flags(SIZE_EXPAND_FILL);
	groups->hide();

	show_connections();
}

NodeDock::~NodeDock() {
	singleton = nullptr;
}