/**
 * @license
 * Visual Blocks Editor
 *
 * Copyright 2018 Google Inc.
 * https://developers.google.com/blockly/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * @fileoverview Base class for variable events.
 * @author fenichel@google.com (Rachel Fenichel)
 */
'use strict';

goog.provide('Blockly.Events.VarBase');

goog.require('Blockly.Events');
goog.require('Blockly.Events.Abstract');

/**
 * Abstract class for a variable event.
 * @param {Blockly.VariableModel} variable The variable this event corresponds
 *     to.
 * @extends {Blockly.Events.Abstract}
 * @constructor
 */
Blockly.Events.VarBase = function(variable) {
  Blockly.Events.VarBase.superClass_.constructor.call(this);

  /**
   * The variable id for the variable this event pertains to.
   * @type {string}
   */
  this.varId = variable.getId();
  this.workspaceId = variable.workspace.id;
};
goog.inherits(Blockly.Events.VarBase, Blockly.Events.Abstract);

/**
 * Encode the event as JSON.
 * @return {!Object} JSON representation.
 */
Blockly.Events.VarBase.prototype.toJson = function() {
  var json = Blockly.Events.VarBase.superClass_.toJson.call(this);
  json['varId'] = this.varId;
  return json;
};

/**
 * Decode the JSON event.
 * @param {!Object} json JSON representation.
 */
Blockly.Events.VarBase.prototype.fromJson = function(json) {
  Blockly.Events.VarBase.superClass_.toJson.call(this);
  this.varId = json['varId'];
};