editor_feature_profile.cpp

/*************************************************************************/
/*  editor_feature_profile.cpp                                           */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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/* a copy of this software and associated documentation files (the       */
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/*************************************************************************/

#include "editor_feature_profile.h"

#include "core/io/dir_access.h"
#include "core/io/json.h"
#include "editor/editor_file_dialog.h"
#include "editor/editor_node.h"
#include "editor/editor_paths.h"
#include "editor/editor_property_name_processor.h"
#include "editor/editor_scale.h"
#include "editor/editor_settings.h"

const char *EditorFeatureProfile::feature_names[FEATURE_MAX] = {
	TTRC("3D Editor"),
	TTRC("Script Editor"),
	TTRC("Asset Library"),
	TTRC("Scene Tree Editing"),
	TTRC("Node Dock"),
	TTRC("FileSystem Dock"),
	TTRC("Import Dock"),
	TTRC("History Dock"),
};

const char *EditorFeatureProfile::feature_descriptions[FEATURE_MAX] = {
	TTRC("Allows to view and edit 3D scenes."),
	TTRC("Allows to edit scripts using the integrated script editor."),
	TTRC("Provides built-in access to the Asset Library."),
	TTRC("Allows editing the node hierarchy in the Scene dock."),
	TTRC("Allows to work with signals and groups of the node selected in the Scene dock."),
	TTRC("Allows to browse the local file system via a dedicated dock."),
	TTRC("Allows to configure import settings for individual assets. Requires the FileSystem dock to function."),
	TTRC("Provides an overview of the editor's and each scene's undo history."),
};

const char *EditorFeatureProfile::feature_identifiers[FEATURE_MAX] = {
	"3d",
	"script",
	"asset_lib",
	"scene_tree",
	"node_dock",
	"filesystem_dock",
	"import_dock",
	"history_dock",
};

void EditorFeatureProfile::set_disable_class(const StringName &p_class, bool p_disabled) {
	if (p_disabled) {
		disabled_classes.insert(p_class);
	} else {
		disabled_classes.erase(p_class);
	}
}

bool EditorFeatureProfile::is_class_disabled(const StringName &p_class) const {
	if (p_class == StringName()) {
		return false;
	}
	return disabled_classes.has(p_class) || is_class_disabled(ClassDB::get_parent_class_nocheck(p_class));
}

void EditorFeatureProfile::set_disable_class_editor(const StringName &p_class, bool p_disabled) {
	if (p_disabled) {
		disabled_editors.insert(p_class);
	} else {
		disabled_editors.erase(p_class);
	}
}

bool EditorFeatureProfile::is_class_editor_disabled(const StringName &p_class) const {
	if (p_class == StringName()) {
		return false;
	}
	return disabled_editors.has(p_class) || is_class_editor_disabled(ClassDB::get_parent_class_nocheck(p_class));
}

void EditorFeatureProfile::set_disable_class_property(const StringName &p_class, const StringName &p_property, bool p_disabled) {
	if (p_disabled) {
		if (!disabled_properties.has(p_class)) {
			disabled_properties[p_class] = HashSet<StringName>();
		}

		disabled_properties[p_class].insert(p_property);
	} else {
		ERR_FAIL_COND(!disabled_properties.has(p_class));
		disabled_properties[p_class].erase(p_property);
		if (disabled_properties[p_class].is_empty()) {
			disabled_properties.erase(p_class);
		}
	}
}

bool EditorFeatureProfile::is_class_property_disabled(const StringName &p_class, const StringName &p_property) const {
	if (!disabled_properties.has(p_class)) {
		return false;
	}

	if (!disabled_properties[p_class].has(p_property)) {
		return false;
	}

	return true;
}

bool EditorFeatureProfile::has_class_properties_disabled(const StringName &p_class) const {
	return disabled_properties.has(p_class);
}

void EditorFeatureProfile::set_item_collapsed(const StringName &p_class, bool p_collapsed) {
	if (p_collapsed) {
		collapsed_classes.insert(p_class);
	} else {
		collapsed_classes.erase(p_class);
	}
}

bool EditorFeatureProfile::is_item_collapsed(const StringName &p_class) const {
	return collapsed_classes.has(p_class);
}

void EditorFeatureProfile::set_disable_feature(Feature p_feature, bool p_disable) {
	ERR_FAIL_INDEX(p_feature, FEATURE_MAX);
	features_disabled[p_feature] = p_disable;
}

bool EditorFeatureProfile::is_feature_disabled(Feature p_feature) const {
	ERR_FAIL_INDEX_V(p_feature, FEATURE_MAX, false);
	return features_disabled[p_feature];
}

String EditorFeatureProfile::get_feature_name(Feature p_feature) {
	ERR_FAIL_INDEX_V(p_feature, FEATURE_MAX, String());
	return feature_names[p_feature];
}

String EditorFeatureProfile::get_feature_description(Feature p_feature) {
	ERR_FAIL_INDEX_V(p_feature, FEATURE_MAX, String());
	return feature_descriptions[p_feature];
}

Error EditorFeatureProfile::save_to_file(const String &p_path) {
	Dictionary data;
	data["type"] = "feature_profile";
	Array dis_classes;
	for (const StringName &E : disabled_classes) {
		dis_classes.push_back(String(E));
	}
	dis_classes.sort();
	data["disabled_classes"] = dis_classes;

	Array dis_editors;
	for (const StringName &E : disabled_editors) {
		dis_editors.push_back(String(E));
	}
	dis_editors.sort();
	data["disabled_editors"] = dis_editors;

	Array dis_props;

	for (KeyValue<StringName, HashSet<StringName>> &E : disabled_properties) {
		for (const StringName &F : E.value) {
			dis_props.push_back(String(E.key) + ":" + String(F));
		}
	}

	data["disabled_properties"] = dis_props;

	Array dis_features;
	for (int i = 0; i < FEATURE_MAX; i++) {
		if (features_disabled[i]) {
			dis_features.push_back(feature_identifiers[i]);
		}
	}

	data["disabled_features"] = dis_features;

	Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::WRITE);
	ERR_FAIL_COND_V_MSG(f.is_null(), ERR_CANT_CREATE, "Cannot create file '" + p_path + "'.");

	JSON json;
	String text = json.stringify(data, "\t");
	f->store_string(text);
	return OK;
}

Error EditorFeatureProfile::load_from_file(const String &p_path) {
	Error err;
	String text = FileAccess::get_file_as_string(p_path, &err);
	if (err != OK) {
		return err;
	}

	JSON json;
	err = json.parse(text);
	if (err != OK) {
		ERR_PRINT("Error parsing '" + p_path + "' on line " + itos(json.get_error_line()) + ": " + json.get_error_message());
		return ERR_PARSE_ERROR;
	}

	Dictionary data = json.get_data();

	if (!data.has("type") || String(data["type"]) != "feature_profile") {
		ERR_PRINT("Error parsing '" + p_path + "', it's not a feature profile.");
		return ERR_PARSE_ERROR;
	}

	disabled_classes.clear();

	if (data.has("disabled_classes")) {
		Array disabled_classes_arr = data["disabled_classes"];
		for (int i = 0; i < disabled_classes_arr.size(); i++) {
			disabled_classes.insert(disabled_classes_arr[i]);
		}
	}

	disabled_editors.clear();

	if (data.has("disabled_editors")) {
		Array disabled_editors_arr = data["disabled_editors"];
		for (int i = 0; i < disabled_editors_arr.size(); i++) {
			disabled_editors.insert(disabled_editors_arr[i]);
		}
	}

	disabled_properties.clear();

	if (data.has("disabled_properties")) {
		Array disabled_properties_arr = data["disabled_properties"];
		for (int i = 0; i < disabled_properties_arr.size(); i++) {
			String s = disabled_properties_arr[i];
			set_disable_class_property(s.get_slice(":", 0), s.get_slice(":", 1), true);
		}
	}

	if (data.has("disabled_features")) {
		Array disabled_features_arr = data["disabled_features"];
		for (int i = 0; i < FEATURE_MAX; i++) {
			bool found = false;
			String f = feature_identifiers[i];
			for (int j = 0; j < disabled_features_arr.size(); j++) {
				String fd = disabled_features_arr[j];
				if (fd == f) {
					found = true;
					break;
				}
			}

			features_disabled[i] = found;
		}
	}

	return OK;
}

void EditorFeatureProfile::_bind_methods() {
	ClassDB::bind_method(D_METHOD("set_disable_class", "class_name", "disable"), &EditorFeatureProfile::set_disable_class);
	ClassDB::bind_method(D_METHOD("is_class_disabled", "class_name"), &EditorFeatureProfile::is_class_disabled);

	ClassDB::bind_method(D_METHOD("set_disable_class_editor", "class_name", "disable"), &EditorFeatureProfile::set_disable_class_editor);
	ClassDB::bind_method(D_METHOD("is_class_editor_disabled", "class_name"), &EditorFeatureProfile::is_class_editor_disabled);

	ClassDB::bind_method(D_METHOD("set_disable_class_property", "class_name", "property", "disable"), &EditorFeatureProfile::set_disable_class_property);
	ClassDB::bind_method(D_METHOD("is_class_property_disabled", "class_name", "property"), &EditorFeatureProfile::is_class_property_disabled);

	ClassDB::bind_method(D_METHOD("set_disable_feature", "feature", "disable"), &EditorFeatureProfile::set_disable_feature);
	ClassDB::bind_method(D_METHOD("is_feature_disabled", "feature"), &EditorFeatureProfile::is_feature_disabled);

	ClassDB::bind_method(D_METHOD("get_feature_name", "feature"), &EditorFeatureProfile::_get_feature_name);

	ClassDB::bind_method(D_METHOD("save_to_file", "path"), &EditorFeatureProfile::save_to_file);
	ClassDB::bind_method(D_METHOD("load_from_file", "path"), &EditorFeatureProfile::load_from_file);

	BIND_ENUM_CONSTANT(FEATURE_3D);
	BIND_ENUM_CONSTANT(FEATURE_SCRIPT);
	BIND_ENUM_CONSTANT(FEATURE_ASSET_LIB);
	BIND_ENUM_CONSTANT(FEATURE_SCENE_TREE);
	BIND_ENUM_CONSTANT(FEATURE_NODE_DOCK);
	BIND_ENUM_CONSTANT(FEATURE_FILESYSTEM_DOCK);
	BIND_ENUM_CONSTANT(FEATURE_IMPORT_DOCK);
	BIND_ENUM_CONSTANT(FEATURE_HISTORY_DOCK);
	BIND_ENUM_CONSTANT(FEATURE_MAX);
}

EditorFeatureProfile::EditorFeatureProfile() {
	for (int i = 0; i < FEATURE_MAX; i++) {
		features_disabled[i] = false;
	}
}

//////////////////////////

void EditorFeatureProfileManager::_notification(int p_what) {
	switch (p_what) {
		case NOTIFICATION_READY: {
			current_profile = EDITOR_GET("_default_feature_profile");
			if (!current_profile.is_empty()) {
				current.instantiate();
				Error err = current->load_from_file(EditorPaths::get_singleton()->get_feature_profiles_dir().path_join(current_profile + ".profile"));
				if (err != OK) {
					ERR_PRINT("Error loading default feature profile: " + current_profile);
					current_profile = String();
					current.unref();
				}
			}
			_update_profile_list(current_profile);
		} break;

		case NOTIFICATION_THEME_CHANGED: {
			// Make sure that the icons are correctly adjusted if the theme's lightness was switched.
			_update_selected_profile();
		} break;
	}
}

String EditorFeatureProfileManager::_get_selected_profile() {
	int idx = profile_list->get_selected();
	if (idx < 0) {
		return String();
	}

	return profile_list->get_item_metadata(idx);
}

void EditorFeatureProfileManager::_update_profile_list(const String &p_select_profile) {
	String selected_profile;
	if (p_select_profile.is_empty()) { //default, keep
		if (profile_list->get_selected() >= 0) {
			selected_profile = profile_list->get_item_metadata(profile_list->get_selected());
			if (!FileAccess::exists(EditorPaths::get_singleton()->get_feature_profiles_dir().path_join(selected_profile + ".profile"))) {
				selected_profile = String(); //does not exist
			}
		}
	} else {
		selected_profile = p_select_profile;
	}

	Vector<String> profiles;
	Ref<DirAccess> d = DirAccess::open(EditorPaths::get_singleton()->get_feature_profiles_dir());
	ERR_FAIL_COND_MSG(d.is_null(), "Cannot open directory '" + EditorPaths::get_singleton()->get_feature_profiles_dir() + "'.");

	d->list_dir_begin();
	while (true) {
		String f = d->get_next();
		if (f.is_empty()) {
			break;
		}

		if (!d->current_is_dir()) {
			int last_pos = f.rfind(".profile");
			if (last_pos != -1) {
				profiles.push_back(f.substr(0, last_pos));
			}
		}
	}

	profiles.sort();

	profile_list->clear();

	for (int i = 0; i < profiles.size(); i++) {
		String name = profiles[i];

		if (i == 0 && selected_profile.is_empty()) {
			selected_profile = name;
		}

		if (name == current_profile) {
			name += " " + TTR("(current)");
		}
		profile_list->add_item(name);
		int index = profile_list->get_item_count() - 1;
		profile_list->set_item_metadata(index, profiles[i]);
		if (profiles[i] == selected_profile) {
			profile_list->select(index);
		}
	}

	class_list_vbc->set_visible(!selected_profile.is_empty());
	property_list_vbc->set_visible(!selected_profile.is_empty());
	no_profile_selected_help->set_visible(selected_profile.is_empty());
	profile_actions[PROFILE_CLEAR]->set_disabled(current_profile.is_empty());
	profile_actions[PROFILE_ERASE]->set_disabled(selected_profile.is_empty());
	profile_actions[PROFILE_EXPORT]->set_disabled(selected_profile.is_empty());
	profile_actions[PROFILE_SET]->set_disabled(selected_profile.is_empty());

	current_profile_name->set_text(!current_profile.is_empty() ? current_profile : TTR("(none)"));

	_update_selected_profile();
}

void EditorFeatureProfileManager::_profile_action(int p_action) {
	switch (p_action) {
		case PROFILE_CLEAR: {
			EditorSettings::get_singleton()->set("_default_feature_profile", "");
			EditorSettings::get_singleton()->save();
			current_profile = "";
			current.unref();

			_update_profile_list();
			_emit_current_profile_changed();
		} break;
		case PROFILE_SET: {
			String selected = _get_selected_profile();
			ERR_FAIL_COND(selected.is_empty());
			if (selected == current_profile) {
				return; // Nothing to do here.
			}
			EditorSettings::get_singleton()->set("_default_feature_profile", selected);
			EditorSettings::get_singleton()->save();
			current_profile = selected;
			current = edited;

			_update_profile_list();
			_emit_current_profile_changed();
		} break;
		case PROFILE_IMPORT: {
			import_profiles->popup_file_dialog();
		} break;
		case PROFILE_EXPORT: {
			export_profile->popup_file_dialog();
			export_profile->set_current_file(_get_selected_profile() + ".profile");
		} break;
		case PROFILE_NEW: {
			new_profile_dialog->popup_centered(Size2(240, 60) * EDSCALE);
			new_profile_name->clear();
			new_profile_name->grab_focus();
		} break;
		case PROFILE_ERASE: {
			String selected = _get_selected_profile();
			ERR_FAIL_COND(selected.is_empty());

			erase_profile_dialog->set_text(vformat(TTR("Remove currently selected profile, '%s'? Cannot be undone."), selected));
			erase_profile_dialog->popup_centered(Size2(240, 60) * EDSCALE);
		} break;
	}
}

void EditorFeatureProfileManager::_erase_selected_profile() {
	String selected = _get_selected_profile();
	ERR_FAIL_COND(selected.is_empty());
	Ref<DirAccess> da = DirAccess::open(EditorPaths::get_singleton()->get_feature_profiles_dir());
	ERR_FAIL_COND_MSG(da.is_null(), "Cannot open directory '" + EditorPaths::get_singleton()->get_feature_profiles_dir() + "'.");

	da->remove(selected + ".profile");
	if (selected == current_profile) {
		_profile_action(PROFILE_CLEAR);
	} else {
		_update_profile_list();
	}
}

void EditorFeatureProfileManager::_create_new_profile() {
	String name = new_profile_name->get_text().strip_edges();
	if (!name.is_valid_filename() || name.contains(".")) {
		EditorNode::get_singleton()->show_warning(TTR("Profile must be a valid filename and must not contain '.'"));
		return;
	}
	String file = EditorPaths::get_singleton()->get_feature_profiles_dir().path_join(name + ".profile");
	if (FileAccess::exists(file)) {
		EditorNode::get_singleton()->show_warning(TTR("Profile with this name already exists."));
		return;
	}

	Ref<EditorFeatureProfile> new_profile;
	new_profile.instantiate();
	new_profile->save_to_file(file);

	_update_profile_list(name);
	// The newly created profile is the first one, make it the current profile automatically.
	if (profile_list->get_item_count() == 1) {
		_profile_action(PROFILE_SET);
	}
}

void EditorFeatureProfileManager::_profile_selected(int p_what) {
	_update_selected_profile();
}

void EditorFeatureProfileManager::_fill_classes_from(TreeItem *p_parent, const String &p_class, const String &p_selected) {
	TreeItem *class_item = class_list->create_item(p_parent);
	class_item->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
	class_item->set_icon(0, EditorNode::get_singleton()->get_class_icon(p_class, "Node"));
	String text = p_class;

	bool disabled = edited->is_class_disabled(p_class);
	bool disabled_editor = edited->is_class_editor_disabled(p_class);
	bool disabled_properties = edited->has_class_properties_disabled(p_class);
	if (disabled) {
		class_item->set_custom_color(0, class_list->get_theme_color(SNAME("disabled_font_color"), SNAME("Editor")));
	} else if (disabled_editor && disabled_properties) {
		text += " " + TTR("(Editor Disabled, Properties Disabled)");
	} else if (disabled_properties) {
		text += " " + TTR("(Properties Disabled)");
	} else if (disabled_editor) {
		text += " " + TTR("(Editor Disabled)");
	}
	class_item->set_text(0, text);
	class_item->set_editable(0, true);
	class_item->set_selectable(0, true);
	class_item->set_metadata(0, p_class);

	bool collapsed = edited->is_item_collapsed(p_class);
	class_item->set_collapsed(collapsed);

	if (p_class == p_selected) {
		class_item->select(0);
	}
	if (disabled) {
		//class disabled, do nothing else (do not show further)
		return;
	}

	class_item->set_checked(0, true); // if its not disabled, its checked

	List<StringName> child_classes;
	ClassDB::get_direct_inheriters_from_class(p_class, &child_classes);
	child_classes.sort_custom<StringName::AlphCompare>();

	for (const StringName &name : child_classes) {
		if (String(name).begins_with("Editor") || ClassDB::get_api_type(name) != ClassDB::API_CORE) {
			continue;
		}
		_fill_classes_from(class_item, name, p_selected);
	}
}

void EditorFeatureProfileManager::_class_list_item_selected() {
	if (updating_features) {
		return;
	}

	property_list->clear();

	TreeItem *item = class_list->get_selected();
	if (!item) {
		return;
	}

	Variant md = item->get_metadata(0);
	if (md.get_type() == Variant::STRING || md.get_type() == Variant::STRING_NAME) {
		String class_name = md;
		String class_description;

		DocTools *dd = EditorHelp::get_doc_data();
		HashMap<String, DocData::ClassDoc>::Iterator E = dd->class_list.find(class_name);
		if (E) {
			class_description = DTR(E->value.brief_description);
		}

		description_bit->set_text(class_description);
	} else if (md.get_type() == Variant::INT) {
		int feature_id = md;
		String feature_description = EditorFeatureProfile::get_feature_description(EditorFeatureProfile::Feature(feature_id));

		description_bit->set_text(TTRGET(feature_description));
		return;
	} else {
		return;
	}

	String class_name = md;
	if (edited->is_class_disabled(class_name)) {
		return;
	}

	updating_features = true;
	TreeItem *root = property_list->create_item();
	TreeItem *options = property_list->create_item(root);
	options->set_text(0, TTR("Class Options:"));

	{
		TreeItem *option = property_list->create_item(options);
		option->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
		option->set_editable(0, true);
		option->set_selectable(0, true);
		option->set_checked(0, !edited->is_class_editor_disabled(class_name));
		option->set_text(0, TTR("Enable Contextual Editor"));
		option->set_metadata(0, CLASS_OPTION_DISABLE_EDITOR);
	}

	List<PropertyInfo> props;
	ClassDB::get_property_list(class_name, &props, true);

	bool has_editor_props = false;
	for (const PropertyInfo &E : props) {
		if (E.usage & PROPERTY_USAGE_EDITOR) {
			has_editor_props = true;
			break;
		}
	}

	if (has_editor_props) {
		TreeItem *properties = property_list->create_item(root);
		properties->set_text(0, TTR("Class Properties:"));

		const EditorPropertyNameProcessor::Style text_style = EditorPropertyNameProcessor::get_settings_style();
		const EditorPropertyNameProcessor::Style tooltip_style = EditorPropertyNameProcessor::get_tooltip_style(text_style);

		for (const PropertyInfo &E : props) {
			String name = E.name;
			if (!(E.usage & PROPERTY_USAGE_EDITOR)) {
				continue;
			}
			const String text = EditorPropertyNameProcessor::get_singleton()->process_name(name, text_style);
			const String tooltip = EditorPropertyNameProcessor::get_singleton()->process_name(name, tooltip_style);

			TreeItem *property = property_list->create_item(properties);
			property->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
			property->set_editable(0, true);
			property->set_selectable(0, true);
			property->set_checked(0, !edited->is_class_property_disabled(class_name, name));
			property->set_text(0, text);
			property->set_tooltip_text(0, tooltip);
			property->set_metadata(0, name);
			String icon_type = Variant::get_type_name(E.type);
			property->set_icon(0, EditorNode::get_singleton()->get_class_icon(icon_type));
		}
	}

	updating_features = false;
}

void EditorFeatureProfileManager::_class_list_item_edited() {
	if (updating_features) {
		return;
	}

	TreeItem *item = class_list->get_edited();
	if (!item) {
		return;
	}

	bool checked = item->is_checked(0);

	Variant md = item->get_metadata(0);
	if (md.get_type() == Variant::STRING || md.get_type() == Variant::STRING_NAME) {
		String class_selected = md;
		edited->set_disable_class(class_selected, !checked);
		_save_and_update();
		_update_selected_profile();
	} else if (md.get_type() == Variant::INT) {
		int feature_selected = md;
		edited->set_disable_feature(EditorFeatureProfile::Feature(feature_selected), !checked);
		_save_and_update();
	}
}

void EditorFeatureProfileManager::_class_list_item_collapsed(Object *p_item) {
	if (updating_features) {
		return;
	}

	TreeItem *item = Object::cast_to<TreeItem>(p_item);
	if (!item) {
		return;
	}

	Variant md = item->get_metadata(0);
	if (md.get_type() != Variant::STRING && md.get_type() != Variant::STRING_NAME) {
		return;
	}

	String class_name = md;
	bool collapsed = item->is_collapsed();
	edited->set_item_collapsed(class_name, collapsed);
}

void EditorFeatureProfileManager::_property_item_edited() {
	if (updating_features) {
		return;
	}

	TreeItem *class_item = class_list->get_selected();
	if (!class_item) {
		return;
	}

	Variant md = class_item->get_metadata(0);
	if (md.get_type() != Variant::STRING && md.get_type() != Variant::STRING_NAME) {
		return;
	}

	String class_name = md;

	TreeItem *item = property_list->get_edited();
	if (!item) {
		return;
	}
	bool checked = item->is_checked(0);

	md = item->get_metadata(0);
	if (md.get_type() == Variant::STRING || md.get_type() == Variant::STRING_NAME) {
		String property_selected = md;
		edited->set_disable_class_property(class_name, property_selected, !checked);
		_save_and_update();
		_update_selected_profile();
	} else if (md.get_type() == Variant::INT) {
		int feature_selected = md;
		switch (feature_selected) {
			case CLASS_OPTION_DISABLE_EDITOR: {
				edited->set_disable_class_editor(class_name, !checked);
				_save_and_update();
				_update_selected_profile();
			} break;
		}
	}
}

void EditorFeatureProfileManager::_update_selected_profile() {
	String class_selected;
	int feature_selected = -1;

	if (class_list->get_selected()) {
		Variant md = class_list->get_selected()->get_metadata(0);
		if (md.get_type() == Variant::STRING || md.get_type() == Variant::STRING_NAME) {
			class_selected = md;
		} else if (md.get_type() == Variant::INT) {
			feature_selected = md;
		}
	}

	class_list->clear();

	String profile = _get_selected_profile();
	profile_actions[PROFILE_SET]->set_disabled(profile == current_profile);

	if (profile.is_empty()) { //nothing selected, nothing edited
		property_list->clear();
		edited.unref();
		return;
	}

	if (profile == current_profile) {
		edited = current; //reuse current profile (which is what editor uses)
		ERR_FAIL_COND(current.is_null()); //nothing selected, current should never be null
	} else {
		//reload edited, if different from current
		edited.instantiate();
		Error err = edited->load_from_file(EditorPaths::get_singleton()->get_feature_profiles_dir().path_join(profile + ".profile"));
		ERR_FAIL_COND_MSG(err != OK, "Error when loading editor feature profile from file '" + EditorPaths::get_singleton()->get_feature_profiles_dir().path_join(profile + ".profile") + "'.");
	}

	updating_features = true;

	TreeItem *root = class_list->create_item();

	TreeItem *features = class_list->create_item(root);
	TreeItem *last_feature = nullptr;
	features->set_text(0, TTR("Main Features:"));
	for (int i = 0; i < EditorFeatureProfile::FEATURE_MAX; i++) {
		TreeItem *feature;
		if (i == EditorFeatureProfile::FEATURE_IMPORT_DOCK) {
			feature = class_list->create_item(last_feature);
		} else {
			feature = class_list->create_item(features);
			last_feature = feature;
		}
		feature->set_cell_mode(0, TreeItem::CELL_MODE_CHECK);
		feature->set_text(0, TTRGET(EditorFeatureProfile::get_feature_name(EditorFeatureProfile::Feature(i))));
		feature->set_selectable(0, true);
		feature->set_editable(0, true);
		feature->set_metadata(0, i);
		if (!edited->is_feature_disabled(EditorFeatureProfile::Feature(i))) {
			feature->set_checked(0, true);
		}

		if (i == feature_selected) {
			feature->select(0);
		}
	}

	TreeItem *classes = class_list->create_item(root);
	classes->set_text(0, TTR("Nodes and Classes:"));

	_fill_classes_from(classes, "Node", class_selected);
	_fill_classes_from(classes, "Resource", class_selected);

	updating_features = false;

	_class_list_item_selected();
}

void EditorFeatureProfileManager::_import_profiles(const Vector<String> &p_paths) {
	//test it first
	for (int i = 0; i < p_paths.size(); i++) {
		Ref<EditorFeatureProfile> profile;
		profile.instantiate();
		Error err = profile->load_from_file(p_paths[i]);
		String basefile = p_paths[i].get_file();
		if (err != OK) {
			EditorNode::get_singleton()->show_warning(vformat(TTR("File '%s' format is invalid, import aborted."), basefile));
			return;
		}

		String dst_file = EditorPaths::get_singleton()->get_feature_profiles_dir().path_join(basefile);

		if (FileAccess::exists(dst_file)) {
			EditorNode::get_singleton()->show_warning(vformat(TTR("Profile '%s' already exists. Remove it first before importing, import aborted."), basefile.get_basename()));
			return;
		}
	}

	//do it second
	for (int i = 0; i < p_paths.size(); i++) {
		Ref<EditorFeatureProfile> profile;
		profile.instantiate();
		Error err = profile->load_from_file(p_paths[i]);
		ERR_CONTINUE(err != OK);
		String basefile = p_paths[i].get_file();
		String dst_file = EditorPaths::get_singleton()->get_feature_profiles_dir().path_join(basefile);
		profile->save_to_file(dst_file);
	}

	_update_profile_list();
	// The newly imported profile is the first one, make it the current profile automatically.
	if (profile_list->get_item_count() == 1) {
		_profile_action(PROFILE_SET);
	}
}

void EditorFeatureProfileManager::_export_profile(const String &p_path) {
	ERR_FAIL_COND(edited.is_null());
	Error err = edited->save_to_file(p_path);
	if (err != OK) {
		EditorNode::get_singleton()->show_warning(vformat(TTR("Error saving profile to path: '%s'."), p_path));
	}
}

void EditorFeatureProfileManager::_save_and_update() {
	String edited_path = _get_selected_profile();
	ERR_FAIL_COND(edited_path.is_empty());
	ERR_FAIL_COND(edited.is_null());

	edited->save_to_file(EditorPaths::get_singleton()->get_feature_profiles_dir().path_join(edited_path + ".profile"));

	if (edited == current) {
		update_timer->start();
	}
}

void EditorFeatureProfileManager::_emit_current_profile_changed() {
	emit_signal(SNAME("current_feature_profile_changed"));
}

void EditorFeatureProfileManager::notify_changed() {
	_emit_current_profile_changed();
}

Ref<EditorFeatureProfile> EditorFeatureProfileManager::get_current_profile() {
	return current;
}

EditorFeatureProfileManager *EditorFeatureProfileManager::singleton = nullptr;

void EditorFeatureProfileManager::_bind_methods() {
	ClassDB::bind_method("_update_selected_profile", &EditorFeatureProfileManager::_update_selected_profile);

	ADD_SIGNAL(MethodInfo("current_feature_profile_changed"));
}

EditorFeatureProfileManager::EditorFeatureProfileManager() {
	VBoxContainer *main_vbc = memnew(VBoxContainer);
	add_child(main_vbc);

	HBoxContainer *name_hbc = memnew(HBoxContainer);
	current_profile_name = memnew(LineEdit);
	name_hbc->add_child(current_profile_name);
	current_profile_name->set_text(TTR("(none)"));
	current_profile_name->set_editable(false);
	current_profile_name->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	profile_actions[PROFILE_CLEAR] = memnew(Button(TTR("Reset to Default")));
	name_hbc->add_child(profile_actions[PROFILE_CLEAR]);
	profile_actions[PROFILE_CLEAR]->set_disabled(true);
	profile_actions[PROFILE_CLEAR]->connect("pressed", callable_mp(this, &EditorFeatureProfileManager::_profile_action).bind(PROFILE_CLEAR));

	main_vbc->add_margin_child(TTR("Current Profile:"), name_hbc);

	main_vbc->add_child(memnew(HSeparator));

	HBoxContainer *profiles_hbc = memnew(HBoxContainer);
	profile_list = memnew(OptionButton);
	profile_list->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	profiles_hbc->add_child(profile_list);
	profile_list->connect("item_selected", callable_mp(this, &EditorFeatureProfileManager::_profile_selected));

	profile_actions[PROFILE_NEW] = memnew(Button(TTR("Create Profile")));
	profiles_hbc->add_child(profile_actions[PROFILE_NEW]);
	profile_actions[PROFILE_NEW]->connect("pressed", callable_mp(this, &EditorFeatureProfileManager::_profile_action).bind(PROFILE_NEW));

	profile_actions[PROFILE_ERASE] = memnew(Button(TTR("Remove Profile")));
	profiles_hbc->add_child(profile_actions[PROFILE_ERASE]);
	profile_actions[PROFILE_ERASE]->set_disabled(true);
	profile_actions[PROFILE_ERASE]->connect("pressed", callable_mp(this, &EditorFeatureProfileManager::_profile_action).bind(PROFILE_ERASE));

	main_vbc->add_margin_child(TTR("Available Profiles:"), profiles_hbc);

	HBoxContainer *current_profile_hbc = memnew(HBoxContainer);

	profile_actions[PROFILE_SET] = memnew(Button(TTR("Make Current")));
	current_profile_hbc->add_child(profile_actions[PROFILE_SET]);
	profile_actions[PROFILE_SET]->set_disabled(true);
	profile_actions[PROFILE_SET]->connect("pressed", callable_mp(this, &EditorFeatureProfileManager::_profile_action).bind(PROFILE_SET));

	current_profile_hbc->add_child(memnew(VSeparator));

	profile_actions[PROFILE_IMPORT] = memnew(Button(TTR("Import")));
	current_profile_hbc->add_child(profile_actions[PROFILE_IMPORT]);
	profile_actions[PROFILE_IMPORT]->connect("pressed", callable_mp(this, &EditorFeatureProfileManager::_profile_action).bind(PROFILE_IMPORT));

	profile_actions[PROFILE_EXPORT] = memnew(Button(TTR("Export")));
	current_profile_hbc->add_child(profile_actions[PROFILE_EXPORT]);
	profile_actions[PROFILE_EXPORT]->set_disabled(true);
	profile_actions[PROFILE_EXPORT]->connect("pressed", callable_mp(this, &EditorFeatureProfileManager::_profile_action).bind(PROFILE_EXPORT));

	main_vbc->add_child(current_profile_hbc);

	h_split = memnew(HSplitContainer);
	h_split->set_v_size_flags(Control::SIZE_EXPAND_FILL);
	main_vbc->add_child(h_split);

	class_list_vbc = memnew(VBoxContainer);
	h_split->add_child(class_list_vbc);
	class_list_vbc->set_h_size_flags(Control::SIZE_EXPAND_FILL);

	class_list = memnew(Tree);
	class_list_vbc->add_margin_child(TTR("Configure Selected Profile:"), class_list, true);
	class_list->set_hide_root(true);
	class_list->set_edit_checkbox_cell_only_when_checkbox_is_pressed(true);
	class_list->connect("cell_selected", callable_mp(this, &EditorFeatureProfileManager::_class_list_item_selected));
	class_list->connect("item_edited", callable_mp(this, &EditorFeatureProfileManager::_class_list_item_edited), CONNECT_DEFERRED);
	class_list->connect("item_collapsed", callable_mp(this, &EditorFeatureProfileManager::_class_list_item_collapsed));
	// It will be displayed once the user creates or chooses a profile.
	class_list_vbc->hide();

	property_list_vbc = memnew(VBoxContainer);
	h_split->add_child(property_list_vbc);
	property_list_vbc->set_h_size_flags(Control::SIZE_EXPAND_FILL);

	description_bit = memnew(EditorHelpBit);
	property_list_vbc->add_margin_child(TTR("Description:"), description_bit, false);
	description_bit->set_custom_minimum_size(Size2(0, 80) * EDSCALE);

	property_list = memnew(Tree);
	property_list_vbc->add_margin_child(TTR("Extra Options:"), property_list, true);
	property_list->set_hide_root(true);
	property_list->set_hide_folding(true);
	property_list->set_edit_checkbox_cell_only_when_checkbox_is_pressed(true);
	property_list->connect("item_edited", callable_mp(this, &EditorFeatureProfileManager::_property_item_edited), CONNECT_DEFERRED);
	// It will be displayed once the user creates or chooses a profile.
	property_list_vbc->hide();

	no_profile_selected_help = memnew(Label(TTR("Create or import a profile to edit available classes and properties.")));
	// Add some spacing above the help label.
	Ref<StyleBoxEmpty> sb = memnew(StyleBoxEmpty);
	sb->set_default_margin(SIDE_TOP, 20 * EDSCALE);
	no_profile_selected_help->add_theme_style_override("normal", sb);
	no_profile_selected_help->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER);
	no_profile_selected_help->set_v_size_flags(Control::SIZE_EXPAND_FILL);
	h_split->add_child(no_profile_selected_help);

	new_profile_dialog = memnew(ConfirmationDialog);
	new_profile_dialog->set_title(TTR("Create Profile"));
	VBoxContainer *new_profile_vb = memnew(VBoxContainer);
	new_profile_dialog->add_child(new_profile_vb);
	Label *new_profile_label = memnew(Label);
	new_profile_label->set_text(TTR("New profile name:"));
	new_profile_vb->add_child(new_profile_label);
	new_profile_name = memnew(LineEdit);
	new_profile_vb->add_child(new_profile_name);
	new_profile_name->set_custom_minimum_size(Size2(300 * EDSCALE, 1));
	add_child(new_profile_dialog);
	new_profile_dialog->connect("confirmed", callable_mp(this, &EditorFeatureProfileManager::_create_new_profile));
	new_profile_dialog->register_text_enter(new_profile_name);
	new_profile_dialog->set_ok_button_text(TTR("Create"));

	erase_profile_dialog = memnew(ConfirmationDialog);
	add_child(erase_profile_dialog);
	erase_profile_dialog->set_title(TTR("Remove Profile"));
	erase_profile_dialog->connect("confirmed", callable_mp(this, &EditorFeatureProfileManager::_erase_selected_profile));

	import_profiles = memnew(EditorFileDialog);
	add_child(import_profiles);
	import_profiles->set_file_mode(EditorFileDialog::FILE_MODE_OPEN_FILES);
	import_profiles->add_filter("*.profile", TTR("Godot Feature Profile"));
	import_profiles->connect("files_selected", callable_mp(this, &EditorFeatureProfileManager::_import_profiles));
	import_profiles->set_title(TTR("Import Profile(s)"));
	import_profiles->set_access(EditorFileDialog::ACCESS_FILESYSTEM);

	export_profile = memnew(EditorFileDialog);
	add_child(export_profile);
	export_profile->set_file_mode(EditorFileDialog::FILE_MODE_SAVE_FILE);
	export_profile->add_filter("*.profile", TTR("Godot Feature Profile"));
	export_profile->connect("file_selected", callable_mp(this, &EditorFeatureProfileManager::_export_profile));
	export_profile->set_title(TTR("Export Profile"));
	export_profile->set_access(EditorFileDialog::ACCESS_FILESYSTEM);

	set_title(TTR("Manage Editor Feature Profiles"));
	EDITOR_DEF("_default_feature_profile", "");

	update_timer = memnew(Timer);
	update_timer->set_wait_time(1); //wait a second before updating editor
	add_child(update_timer);
	update_timer->connect("timeout", callable_mp(this, &EditorFeatureProfileManager::_emit_current_profile_changed));
	update_timer->set_one_shot(true);

	singleton = this;
}