text: /*************************************************************************/
  /*  dictionary_property_edit.cpp                                         */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2020 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 "dictionary_property_edit.h"
  #include "editor_node.h"
  
  void DictionaryPropertyEdit::_notif_change() {
  	_change_notify();
  }
  
  void DictionaryPropertyEdit::_notif_changev(const String &p_v) {
  	_change_notify(p_v.utf8().get_data());
  }
  
  void DictionaryPropertyEdit::_set_key(const Variant &p_old_key, const Variant &p_new_key) {
  
  	// TODO: Set key of a dictionary is not allowed yet
  }
  
  void DictionaryPropertyEdit::_set_value(const Variant &p_key, const Variant &p_value) {
  
  	Dictionary dict = get_dictionary();
  	dict[p_key] = p_value;
  	Object *o = ObjectDB::get_instance(obj);
  	if (!o)
  		return;
  
  	o->set(property, dict);
  }
  
  Variant DictionaryPropertyEdit::get_dictionary() const {
  
  	Object *o = ObjectDB::get_instance(obj);
  	if (!o)
  		return Dictionary();
  	Variant dict = o->get(property);
  	if (dict.get_type() != Variant::DICTIONARY)
  		return Dictionary();
  	return dict;
  }
  
  void DictionaryPropertyEdit::_get_property_list(List<PropertyInfo> *p_list) const {
  
  	Dictionary dict = get_dictionary();
  
  	Array keys = dict.keys();
  	keys.sort();
  
  	for (int i = 0; i < keys.size(); i++) {
  		String index = itos(i);
  
  		const Variant &key = keys[i];
  		PropertyInfo pi(key.get_type(), index + ": key");
  		p_list->push_back(pi);
  
  		const Variant &value = dict[key];
  		pi = PropertyInfo(value.get_type(), index + ": value");
  		p_list->push_back(pi);
  	}
  }
  
  void DictionaryPropertyEdit::edit(Object *p_obj, const StringName &p_prop) {
  
  	property = p_prop;
  	obj = p_obj->get_instance_id();
  }
  
  Node *DictionaryPropertyEdit::get_node() {
  
  	Object *o = ObjectDB::get_instance(obj);
  	if (!o)
  		return NULL;
  
  	return cast_to<Node>(o);
  }
  
  bool DictionaryPropertyEdit::_dont_undo_redo() {
  	return true;
  }
  
  void DictionaryPropertyEdit::_bind_methods() {
  
  	ClassDB::bind_method(D_METHOD("_set_key"), &DictionaryPropertyEdit::_set_key);
  	ClassDB::bind_method(D_METHOD("_set_value"), &DictionaryPropertyEdit::_set_value);
  	ClassDB::bind_method(D_METHOD("_notif_change"), &DictionaryPropertyEdit::_notif_change);
  	ClassDB::bind_method(D_METHOD("_notif_changev"), &DictionaryPropertyEdit::_notif_changev);
  	ClassDB::bind_method(D_METHOD("_dont_undo_redo"), &DictionaryPropertyEdit::_dont_undo_redo);
  }
  
  bool DictionaryPropertyEdit::_set(const StringName &p_name, const Variant &p_value) {
  
  	Dictionary dict = get_dictionary();
  	Array keys = dict.keys();
  	keys.sort();
  
  	String pn = p_name;
  	int slash = pn.find(": ");
  	if (slash != -1 && pn.length() > slash) {
  		String type = pn.substr(slash + 2, pn.length());
  		int index = pn.substr(0, slash).to_int();
  		if (type == "key" && index < keys.size()) {
  
  			const Variant &key = keys[index];
  			UndoRedo *ur = EditorNode::get_undo_redo();
  
  			ur->create_action(TTR("Change Dictionary Key"));
  			ur->add_do_method(this, "_set_key", key, p_value);
  			ur->add_undo_method(this, "_set_key", p_value, key);
  			ur->add_do_method(this, "_notif_changev", p_name);
  			ur->add_undo_method(this, "_notif_changev", p_name);
  			ur->commit_action();
  
  			return true;
  		} else if (type == "value" && index < keys.size()) {
  			const Variant &key = keys[index];
  			if (dict.has(key)) {
  
  				Variant value = dict[key];
  				UndoRedo *ur = EditorNode::get_undo_redo();
  
  				ur->create_action(TTR("Change Dictionary Value"));
  				ur->add_do_method(this, "_set_value", key, p_value);
  				ur->add_undo_method(this, "_set_value", key, value);
  				ur->add_do_method(this, "_notif_changev", p_name);
  				ur->add_undo_method(this, "_notif_changev", p_name);
  				ur->commit_action();
  
  				return true;
  			}
  		}
  	}
  
  	return false;
  }
  
  bool DictionaryPropertyEdit::_get(const StringName &p_name, Variant &r_ret) const {
  
  	Dictionary dict = get_dictionary();
  	Array keys = dict.keys();
  	keys.sort();
  
  	String pn = p_name;
  	int slash = pn.find(": ");
  
  	if (slash != -1 && pn.length() > slash) {
  
  		String type = pn.substr(slash + 2, pn.length());
  		int index = pn.substr(0, slash).to_int();
  
  		if (type == "key" && index < keys.size()) {
  			r_ret = keys[index];
  			return true;
  		} else if (type == "value" && index < keys.size()) {
  			const Variant &key = keys[index];
  			if (dict.has(key)) {
  				r_ret = dict[key];
  				return true;
  			}
  		}
  	}
  
  	return false;
  }
  
  DictionaryPropertyEdit::DictionaryPropertyEdit() {
  }
  