text: /*************************************************************************/
  /*  script_create_dialog.cpp                                             */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2018 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.                */
  /*************************************************************************/
  
  #include "script_create_dialog.h"
  
  #include "core/io/resource_saver.h"
  #include "core/os/file_access.h"
  #include "core/project_settings.h"
  #include "core/script_language.h"
  #include "editor/editor_node.h"
  #include "editor/editor_scale.h"
  #include "editor_file_system.h"
  
  void ScriptCreateDialog::_notification(int p_what) {
  
  	switch (p_what) {
  		case NOTIFICATION_THEME_CHANGED:
  		case NOTIFICATION_ENTER_TREE: {
  			path_button->set_icon(get_icon("Folder", "EditorIcons"));
  			parent_browse_button->set_icon(get_icon("Folder", "EditorIcons"));
  			status_panel->add_style_override("panel", get_stylebox("bg", "Tree"));
  		} break;
  	}
  }
  
  void ScriptCreateDialog::config(const String &p_base_name, const String &p_base_path) {
  
  	class_name->set_text("");
  	class_name->deselect();
  	parent_name->set_text(p_base_name);
  	parent_name->deselect();
  
  	if (p_base_path != "") {
  		initial_bp = p_base_path.get_basename();
  		file_path->set_text(initial_bp + "." + ScriptServer::get_language(language_menu->get_selected())->get_extension());
  	} else {
  		initial_bp = "";
  		file_path->set_text("");
  	}
  	file_path->deselect();
  
  	_lang_changed(current_language);
  	_class_name_changed("");
  	_path_changed(file_path->get_text());
  }
  
  bool ScriptCreateDialog::_validate(const String &p_string) {
  
  	if (p_string.length() == 0)
  		return false;
  
  	String path_chars = "\"res://";
  	bool is_val_path = ScriptServer::get_language(language_menu->get_selected())->can_inherit_from_file();
  	for (int i = 0; i < p_string.length(); i++) {
  
  		if (i == 0) {
  			if (p_string[0] >= '0' && p_string[0] <= '9')
  				return false; // no start with number plz
  		}
  
  		if (i == p_string.length() - 1 && is_val_path)
  			return p_string[i] == '\"';
  
  		if (is_val_path && i < path_chars.length()) {
  			if (p_string[i] != path_chars[i])
  				is_val_path = false;
  			else
  				continue;
  		}
  
  		bool valid_char = (p_string[i] >= '0' && p_string[i] <= '9') || (p_string[i] >= 'a' && p_string[i] <= 'z') || (p_string[i] >= 'A' && p_string[i] <= 'Z') || p_string[i] == '_' || p_string[i] == '-' || (is_val_path && (p_string[i] == '/' || p_string[i] == '.'));
  
  		if (!valid_char)
  			return false;
  	}
  
  	return true;
  }
  
  void ScriptCreateDialog::_class_name_changed(const String &p_name) {
  
  	if (_validate(class_name->get_text())) {
  		is_class_name_valid = true;
  	} else {
  		is_class_name_valid = false;
  	}
  	_update_dialog();
  }
  
  void ScriptCreateDialog::_parent_name_changed(const String &p_parent) {
  
  	if (_validate(parent_name->get_text())) {
  		is_parent_name_valid = true;
  	} else {
  		is_parent_name_valid = false;
  	}
  	_update_dialog();
  }
  
  void ScriptCreateDialog::_template_changed(int p_template) {
  
  	String selected_template = p_template == 0 ? "" : template_menu->get_item_text(template_menu->get_selected());
  	EditorSettings::get_singleton()->set_project_metadata("script_setup", "last_selected_template", selected_template);
  	if (p_template == 0) {
  		//default
  		script_template = "";
  		return;
  	}
  	String ext = ScriptServer::get_language(language_menu->get_selected())->get_extension();
  	String name = template_list[p_template - 1] + "." + ext;
  	script_template = EditorSettings::get_singleton()->get_script_templates_dir().plus_file(name);
  }
  
  void ScriptCreateDialog::ok_pressed() {
  
  	if (is_new_script_created) {
  		_create_new();
  	} else {
  		_load_exist();
  	}
  
  	is_new_script_created = true;
  	_update_dialog();
  }
  
  void ScriptCreateDialog::_create_new() {
  
  	String cname_param;
  
  	if (has_named_classes) {
  		cname_param = class_name->get_text();
  	} else {
  		cname_param = ProjectSettings::get_singleton()->localize_path(file_path->get_text()).get_file().get_basename();
  	}
  
  	Ref<Script> scr;
  	if (script_template != "") {
  		scr = ResourceLoader::load(script_template);
  		if (scr.is_null()) {
  			alert->get_ok()->set_text(TTR("OK"));
  			alert->set_text(vformat(TTR("Error loading template '%s'"), script_template));
  			alert->popup_centered();
  			return;
  		}
  		scr = scr->duplicate();
  		ScriptServer::get_language(language_menu->get_selected())->make_template(cname_param, parent_name->get_text(), scr);
  	} else {
  		scr = ScriptServer::get_language(language_menu->get_selected())->get_template(cname_param, parent_name->get_text());
  	}
  
  	if (has_named_classes) {
  		String cname = class_name->get_text();
  		if (cname.length())
  			scr->set_name(cname);
  	}
  
  	if (!is_built_in) {
  		String lpath = ProjectSettings::get_singleton()->localize_path(file_path->get_text());
  		scr->set_path(lpath);
  		Error err = ResourceSaver::save(lpath, scr, ResourceSaver::FLAG_CHANGE_PATH);
  		if (err != OK) {
  			alert->set_text(TTR("Error - Could not create script in filesystem."));
  			alert->popup_centered();
  			return;
  		}
  	}
  
  	hide();
  	emit_signal("script_created", scr);
  }
  
  void ScriptCreateDialog::_load_exist() {
  
  	String path = file_path->get_text();
  	RES p_script = ResourceLoader::load(path, "Script");
  	if (p_script.is_null()) {
  		alert->get_ok()->set_text(TTR("OK"));
  		alert->set_text(vformat(TTR("Error loading script from %s"), path));
  		alert->popup_centered();
  		return;
  	}
  
  	hide();
  	emit_signal("script_created", p_script.get_ref_ptr());
  }
  
  void ScriptCreateDialog::_lang_changed(int l) {
  
  	l = language_menu->get_selected();
  	ScriptLanguage *language = ScriptServer::get_language(l);
  
  	if (language->has_named_classes()) {
  		has_named_classes = true;
  	} else {
  		has_named_classes = false;
  	}
  
  	if (language->supports_builtin_mode()) {
  		supports_built_in = true;
  	} else {
  		supports_built_in = false;
  		is_built_in = false;
  	}
  
  	if (ScriptServer::get_language(l)->can_inherit_from_file()) {
  		can_inherit_from_file = true;
  	} else {
  		can_inherit_from_file = false;
  	}
  
  	String selected_ext = "." + language->get_extension();
  	String path = file_path->get_text();
  	String extension = "";
  	if (path != "") {
  		if (path.find(".") != -1) {
  			extension = path.get_extension();
  		}
  
  		if (extension.length() == 0) {
  			// add extension if none
  			path += selected_ext;
  			_path_changed(path);
  		} else {
  			// change extension by selected language
  			List<String> extensions;
  			// get all possible extensions for script
  			for (int l = 0; l < language_menu->get_item_count(); l++) {
  				ScriptServer::get_language(l)->get_recognized_extensions(&extensions);
  			}
  
  			for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
  				if (E->get().nocasecmp_to(extension) == 0) {
  					path = path.get_basename() + selected_ext;
  					_path_changed(path);
  					break;
  				}
  			}
  		}
  	} else {
  		path = "class" + selected_ext;
  		_path_changed(path);
  	}
  	file_path->set_text(path);
  
  	bool use_templates = language->is_using_templates();
  	template_menu->set_disabled(!use_templates);
  	template_menu->clear();
  	if (use_templates) {
  
  		template_list = EditorSettings::get_singleton()->get_script_templates(language->get_extension());
  
  		String last_lang = EditorSettings::get_singleton()->get_project_metadata("script_setup", "last_selected_language", "");
  		String last_template = EditorSettings::get_singleton()->get_project_metadata("script_setup", "last_selected_template", "");
  
  		template_menu->add_item(TTR("Default"));
  		for (int i = 0; i < template_list.size(); i++) {
  			String s = template_list[i].capitalize();
  			template_menu->add_item(s);
  			if (language_menu->get_item_text(language_menu->get_selected()) == last_lang && last_template == s) {
  				template_menu->select(i + 1);
  			}
  		}
  	} else {
  
  		template_menu->add_item(TTR("N/A"));
  		script_template = "";
  	}
  
  	_template_changed(template_menu->get_selected());
  	EditorSettings::get_singleton()->set_project_metadata("script_setup", "last_selected_language", language_menu->get_item_text(language_menu->get_selected()));
  
  	_parent_name_changed(parent_name->get_text());
  	_update_dialog();
  }
  
  void ScriptCreateDialog::_built_in_pressed() {
  
  	if (internal->is_pressed()) {
  		is_built_in = true;
  	} else {
  		is_built_in = false;
  	}
  	_update_dialog();
  }
  
  void ScriptCreateDialog::_browse_path(bool browse_parent, bool p_save) {
  
  	is_browsing_parent = browse_parent;
  
  	if (p_save) {
  		file_browse->set_mode(EditorFileDialog::MODE_SAVE_FILE);
  		file_browse->set_title(TTR("Open Script/Choose Location"));
  		file_browse->get_ok()->set_text(TTR("Open"));
  	} else {
  		file_browse->set_mode(EditorFileDialog::MODE_OPEN_FILE);
  		file_browse->set_title(TTR("Open Script"));
  	}
  
  	file_browse->set_disable_overwrite_warning(true);
  	file_browse->clear_filters();
  	List<String> extensions;
  
  	int lang = language_menu->get_selected();
  	ScriptServer::get_language(lang)->get_recognized_extensions(&extensions);
  
  	for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
  		file_browse->add_filter("*." + E->get());
  	}
  
  	file_browse->set_current_path(file_path->get_text());
  	file_browse->popup_centered_ratio();
  }
  
  void ScriptCreateDialog::_file_selected(const String &p_file) {
  
  	String p = ProjectSettings::get_singleton()->localize_path(p_file);
  	if (is_browsing_parent) {
  		parent_name->set_text("\"" + p + "\"");
  		_class_name_changed("\"" + p + "\"");
  	} else {
  		file_path->set_text(p);
  		_path_changed(p);
  
  		String filename = p.get_file().get_basename();
  		int select_start = p.find_last(filename);
  		file_path->select(select_start, select_start + filename.length());
  		file_path->set_cursor_position(select_start + filename.length());
  		file_path->grab_focus();
  	}
  }
  
  void ScriptCreateDialog::_path_changed(const String &p_path) {
  
  	is_path_valid = false;
  	is_new_script_created = true;
  	String p = p_path.strip_edges();
  
  	if (p == "") {
  		_msg_path_valid(false, TTR("Path is empty"));
  		_update_dialog();
  		return;
  	}
  
  	if (p.get_file().get_basename() == "") {
  		_msg_path_valid(false, TTR("Filename is empty"));
  		_update_dialog();
  		return;
  	}
  
  	p = ProjectSettings::get_singleton()->localize_path(p);
  	if (!p.begins_with("res://")) {
  		_msg_path_valid(false, TTR("Path is not local"));
  		_update_dialog();
  		return;
  	}
  
  	DirAccess *d = DirAccess::create(DirAccess::ACCESS_RESOURCES);
  	if (d->change_dir(p.get_base_dir()) != OK) {
  		_msg_path_valid(false, TTR("Invalid base path"));
  		memdelete(d);
  		_update_dialog();
  		return;
  	}
  	memdelete(d);
  
  	/* Does file already exist */
  
  	DirAccess *f = DirAccess::create(DirAccess::ACCESS_RESOURCES);
  	if (f->dir_exists(p)) {
  		is_new_script_created = false;
  		is_path_valid = false;
  		_msg_path_valid(false, TTR("Directory of the same name exists"));
  	} else if (f->file_exists(p)) {
  		is_new_script_created = false;
  		is_path_valid = true;
  		_msg_path_valid(true, TTR("File exists, will be reused"));
  	}
  	memdelete(f);
  	_update_dialog();
  
  	/* Check file extension */
  
  	String extension = p.get_extension();
  	List<String> extensions;
  
  	// get all possible extensions for script
  	for (int l = 0; l < language_menu->get_item_count(); l++) {
  		ScriptServer::get_language(l)->get_recognized_extensions(&extensions);
  	}
  
  	bool found = false;
  	bool match = false;
  	int index = 0;
  	for (List<String>::Element *E = extensions.front(); E; E = E->next()) {
  		if (E->get().nocasecmp_to(extension) == 0) {
  			//FIXME (?) - changing language this way doesn't update controls, needs rework
  			//language_menu->select(index); // change Language option by extension
  			found = true;
  			if (E->get() == ScriptServer::get_language(language_menu->get_selected())->get_extension()) {
  				match = true;
  			}
  			break;
  		}
  		index++;
  	}
  
  	if (!found) {
  		_msg_path_valid(false, TTR("Invalid extension"));
  		_update_dialog();
  		return;
  	}
  
  	if (!match) {
  		_msg_path_valid(false, TTR("Wrong extension chosen"));
  		_update_dialog();
  		return;
  	}
  
  	String path_error = ScriptServer::get_language(language_menu->get_selected())->validate_path(p);
  	if (path_error != "") {
  		_msg_path_valid(false, path_error);
  		_update_dialog();
  		return;
  	}
  
  	/* All checks passed */
  
  	is_path_valid = true;
  	_update_dialog();
  }
  
  void ScriptCreateDialog::_path_entered(const String &p_path) {
  	ok_pressed();
  }
  
  void ScriptCreateDialog::_msg_script_valid(bool valid, const String &p_msg) {
  
  	error_label->set_text(TTR(p_msg));
  	if (valid) {
  		error_label->add_color_override("font_color", get_color("success_color", "Editor"));
  	} else {
  		error_label->add_color_override("font_color", get_color("error_color", "Editor"));
  	}
  }
  
  void ScriptCreateDialog::_msg_path_valid(bool valid, const String &p_msg) {
  
  	path_error_label->set_text(TTR(p_msg));
  	if (valid) {
  		path_error_label->add_color_override("font_color", get_color("success_color", "Editor"));
  	} else {
  		path_error_label->add_color_override("font_color", get_color("error_color", "Editor"));
  	}
  }
  
  void ScriptCreateDialog::_update_dialog() {
  
  	bool script_ok = true;
  
  	/* "Add Script Dialog" gui logic and script checks */
  
  	// Is Script Valid (order from top to bottom)
  	get_ok()->set_disabled(true);
  	if (!is_built_in) {
  		if (!is_path_valid) {
  			_msg_script_valid(false, TTR("Invalid Path"));
  			script_ok = false;
  		}
  	}
  	if (has_named_classes && (is_new_script_created && !is_class_name_valid)) {
  		_msg_script_valid(false, TTR("Invalid class name"));
  		script_ok = false;
  	}
  	if (!is_parent_name_valid) {
  		_msg_script_valid(false, TTR("Invalid inherited parent name or path"));
  		script_ok = false;
  	}
  	if (script_ok) {
  		_msg_script_valid(true, TTR("Script valid"));
  		get_ok()->set_disabled(false);
  	}
  
  	/* Does script have named classes */
  
  	if (has_named_classes) {
  		if (is_new_script_created) {
  			class_name->set_editable(true);
  			class_name->set_placeholder(TTR("Allowed: a-z, A-Z, 0-9 and _"));
  			class_name->set_placeholder_alpha(0.3);
  		} else {
  			class_name->set_editable(false);
  		}
  	} else {
  		class_name->set_editable(false);
  		class_name->set_placeholder(TTR("N/A"));
  		class_name->set_placeholder_alpha(1);
  	}
  
  	/* Can script inherit from a file */
  
  	if (can_inherit_from_file) {
  		parent_browse_button->set_disabled(false);
  	} else {
  		parent_browse_button->set_disabled(true);
  	}
  
  	/* Is script Built-in */
  
  	if (is_built_in) {
  		file_path->set_editable(false);
  		path_button->set_disabled(true);
  		re_check_path = true;
  	} else {
  		file_path->set_editable(true);
  		path_button->set_disabled(false);
  		if (re_check_path) {
  			re_check_path = false;
  			_path_changed(file_path->get_text());
  		}
  	}
  
  	if (!supports_built_in)
  		internal->set_pressed(false);
  
  	/* Is Script created or loaded from existing file */
  
  	if (is_built_in) {
  		get_ok()->set_text(TTR("Create"));
  		parent_name->set_editable(true);
  		parent_browse_button->set_disabled(false);
  		internal->set_disabled(!supports_built_in);
  		_msg_path_valid(true, TTR("Built-in script (into scene file)"));
  	} else if (is_new_script_created) {
  		// New Script Created
  		get_ok()->set_text(TTR("Create"));
  		parent_name->set_editable(true);
  		parent_browse_button->set_disabled(false);
  		internal->set_disabled(!supports_built_in);
  		if (is_path_valid) {
  			_msg_path_valid(true, TTR("Create new script file"));
  		}
  	} else {
  		// Script Loaded
  		get_ok()->set_text(TTR("Load"));
  		parent_name->set_editable(false);
  		parent_browse_button->set_disabled(true);
  		internal->set_disabled(!supports_built_in);
  		if (is_path_valid) {
  			_msg_path_valid(true, TTR("Load existing script file"));
  		}
  	}
  }
  
  void ScriptCreateDialog::_bind_methods() {
  
  	ClassDB::bind_method("_class_name_changed", &ScriptCreateDialog::_class_name_changed);
  	ClassDB::bind_method("_parent_name_changed", &ScriptCreateDialog::_parent_name_changed);
  	ClassDB::bind_method("_lang_changed", &ScriptCreateDialog::_lang_changed);
  	ClassDB::bind_method("_built_in_pressed", &ScriptCreateDialog::_built_in_pressed);
  	ClassDB::bind_method("_browse_path", &ScriptCreateDialog::_browse_path);
  	ClassDB::bind_method("_file_selected", &ScriptCreateDialog::_file_selected);
  	ClassDB::bind_method("_path_changed", &ScriptCreateDialog::_path_changed);
  	ClassDB::bind_method("_path_entered", &ScriptCreateDialog::_path_entered);
  	ClassDB::bind_method("_template_changed", &ScriptCreateDialog::_template_changed);
  
  	ClassDB::bind_method(D_METHOD("config", "inherits", "path"), &ScriptCreateDialog::config);
  
  	ADD_SIGNAL(MethodInfo("script_created", PropertyInfo(Variant::OBJECT, "script", PROPERTY_HINT_RESOURCE_TYPE, "Script")));
  }
  
  ScriptCreateDialog::ScriptCreateDialog() {
  
  	/* DIALOG */
  
  	/* Main Controls */
  
  	GridContainer *gc = memnew(GridContainer);
  	gc->set_columns(2);
  
  	/* Error Messages Field */
  
  	VBoxContainer *vb = memnew(VBoxContainer);
  
  	HBoxContainer *hb = memnew(HBoxContainer);
  	Label *l = memnew(Label);
  	l->set_text(" - ");
  	hb->add_child(l);
  	error_label = memnew(Label);
  	error_label->set_text(TTR("Error!"));
  	error_label->set_align(Label::ALIGN_LEFT);
  	hb->add_child(error_label);
  	vb->add_child(hb);
  
  	hb = memnew(HBoxContainer);
  	l = memnew(Label);
  	l->set_text(" - ");
  	hb->add_child(l);
  	path_error_label = memnew(Label);
  	path_error_label->set_text(TTR("Error!"));
  	path_error_label->set_align(Label::ALIGN_LEFT);
  	hb->add_child(path_error_label);
  	vb->add_child(hb);
  
  	status_panel = memnew(PanelContainer);
  	status_panel->set_h_size_flags(Control::SIZE_FILL);
  	status_panel->add_style_override("panel", EditorNode::get_singleton()->get_gui_base()->get_stylebox("bg", "Tree"));
  	status_panel->add_child(vb);
  
  	/* Margins */
  
  	Control *empty_h = memnew(Control);
  	empty_h->set_name("empty_h"); //duplicate() doesn't like nodes without a name
  	empty_h->set_h_size_flags(Control::SIZE_EXPAND_FILL);
  	empty_h->set_v_size_flags(Control::SIZE_EXPAND_FILL);
  	empty_h->set_custom_minimum_size(Size2(0, 10 * EDSCALE));
  	Control *empty_v = memnew(Control);
  	empty_v->set_name("empty_v");
  	empty_v->set_h_size_flags(Control::SIZE_EXPAND_FILL);
  	empty_v->set_v_size_flags(Control::SIZE_EXPAND_FILL);
  	empty_v->set_custom_minimum_size(Size2(10, 0 * EDSCALE));
  
  	vb = memnew(VBoxContainer);
  	vb->add_child(empty_h->duplicate());
  	vb->add_child(gc);
  	vb->add_child(empty_h->duplicate());
  	vb->add_child(status_panel);
  	vb->add_child(empty_h->duplicate());
  	hb = memnew(HBoxContainer);
  	hb->add_child(empty_v->duplicate());
  	hb->add_child(vb);
  	hb->add_child(empty_v->duplicate());
  
  	memdelete(empty_h);
  	memdelete(empty_v);
  
  	add_child(hb);
  
  	/* Language */
  
  	language_menu = memnew(OptionButton);
  	language_menu->set_custom_minimum_size(Size2(250, 0) * EDSCALE);
  	language_menu->set_h_size_flags(SIZE_EXPAND_FILL);
  	l = memnew(Label);
  	l->set_text(TTR("Language"));
  	l->set_align(Label::ALIGN_RIGHT);
  	gc->add_child(l);
  	gc->add_child(language_menu);
  
  	int default_lang = 0;
  	for (int i = 0; i < ScriptServer::get_language_count(); i++) {
  
  		String lang = ScriptServer::get_language(i)->get_name();
  		language_menu->add_item(lang);
  		if (lang == "GDScript") {
  			default_lang = i;
  		}
  	}
  
  	String last_selected_language = EditorSettings::get_singleton()->get_project_metadata("script_setup", "last_selected_language", "");
  	if (last_selected_language != "") {
  		for (int i = 0; i < language_menu->get_item_count(); i++) {
  			if (language_menu->get_item_text(i) == last_selected_language) {
  				language_menu->select(i);
  				current_language = i;
  				break;
  			}
  		}
  	} else {
  		language_menu->select(default_lang);
  		current_language = default_lang;
  	}
  
  	language_menu->connect("item_selected", this, "_lang_changed");
  
  	/* Inherits */
  
  	hb = memnew(HBoxContainer);
  	hb->set_h_size_flags(SIZE_EXPAND_FILL);
  	parent_name = memnew(LineEdit);
  	parent_name->connect("text_changed", this, "_parent_name_changed");
  	parent_name->set_h_size_flags(SIZE_EXPAND_FILL);
  	hb->add_child(parent_name);
  	parent_browse_button = memnew(Button);
  	parent_browse_button->set_flat(true);
  	parent_browse_button->connect("pressed", this, "_browse_path", varray(true, false));
  	hb->add_child(parent_browse_button);
  	l = memnew(Label);
  	l->set_text(TTR("Inherits"));
  	l->set_align(Label::ALIGN_RIGHT);
  	gc->add_child(l);
  	gc->add_child(hb);
  	is_browsing_parent = false;
  
  	/* Class Name */
  
  	class_name = memnew(LineEdit);
  	class_name->connect("text_changed", this, "_class_name_changed");
  	class_name->set_h_size_flags(SIZE_EXPAND_FILL);
  	l = memnew(Label);
  	l->set_text(TTR("Class Name"));
  	l->set_align(Label::ALIGN_RIGHT);
  	gc->add_child(l);
  	gc->add_child(class_name);
  
  	/* Templates */
  
  	template_menu = memnew(OptionButton);
  	l = memnew(Label);
  	l->set_text(TTR("Template"));
  	l->set_align(Label::ALIGN_RIGHT);
  	gc->add_child(l);
  	gc->add_child(template_menu);
  	template_menu->connect("item_selected", this, "_template_changed");
  
  	/* Built-in Script */
  
  	internal = memnew(CheckButton);
  	internal->connect("pressed", this, "_built_in_pressed");
  	hb = memnew(HBoxContainer);
  	hb->add_child(internal);
  	l = memnew(Label);
  	l->set_text(TTR("Built-in Script"));
  	l->set_align(Label::ALIGN_RIGHT);
  	gc->add_child(l);
  	gc->add_child(hb);
  
  	/* Path */
  
  	hb = memnew(HBoxContainer);
  	file_path = memnew(LineEdit);
  	file_path->connect("text_changed", this, "_path_changed");
  	file_path->connect("text_entered", this, "_path_entered");
  	file_path->set_h_size_flags(SIZE_EXPAND_FILL);
  	hb->add_child(file_path);
  	path_button = memnew(Button);
  	path_button->set_flat(true);
  	path_button->connect("pressed", this, "_browse_path", varray(false, true));
  	hb->add_child(path_button);
  	l = memnew(Label);
  	l->set_text(TTR("Path"));
  	l->set_align(Label::ALIGN_RIGHT);
  	gc->add_child(l);
  	gc->add_child(hb);
  
  	/* Dialog Setup */
  
  	file_browse = memnew(EditorFileDialog);
  	file_browse->connect("file_selected", this, "_file_selected");
  	file_browse->set_mode(EditorFileDialog::MODE_OPEN_FILE);
  	add_child(file_browse);
  	get_ok()->set_text(TTR("Create"));
  	alert = memnew(AcceptDialog);
  	alert->set_as_minsize();
  	alert->get_label()->set_autowrap(true);
  	alert->get_label()->set_align(Label::ALIGN_CENTER);
  	alert->get_label()->set_valign(Label::VALIGN_CENTER);
  	alert->get_label()->set_custom_minimum_size(Size2(325, 60) * EDSCALE);
  	add_child(alert);
  
  	set_as_minsize();
  	set_hide_on_ok(false);
  	set_title(TTR("Attach Node Script"));
  
  	is_parent_name_valid = false;
  	is_class_name_valid = false;
  	is_path_valid = false;
  
  	has_named_classes = false;
  	supports_built_in = false;
  	can_inherit_from_file = false;
  	is_built_in = false;
  
  	is_new_script_created = true;
  }
  