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70 lines
1.6 KiB
JavaScript
70 lines
1.6 KiB
JavaScript
/**
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* @license
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* Copyright 2018 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @fileoverview Abstract class for a variable event.
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*/
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'use strict';
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/**
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* Abstract class for a variable event.
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* @class
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*/
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goog.module('Blockly.Events.VarBase');
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const Abstract = goog.require('Blockly.Events.Abstract');
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const object = goog.require('Blockly.utils.object');
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/* eslint-disable-next-line no-unused-vars */
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const {VariableModel} = goog.requireType('Blockly.VariableModel');
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/**
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* Abstract class for a variable event.
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* @param {!VariableModel=} opt_variable The variable this event
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* corresponds to. Undefined for a blank event.
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* @extends {Abstract}
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* @constructor
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* @alias Blockly.Events.VarBase
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*/
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const VarBase = function(opt_variable) {
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VarBase.superClass_.constructor.call(this);
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this.isBlank = typeof opt_variable === 'undefined';
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/**
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* The variable id for the variable this event pertains to.
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* @type {string}
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*/
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this.varId = this.isBlank ? '' : opt_variable.getId();
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/**
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* The workspace identifier for this event.
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* @type {string}
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*/
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this.workspaceId = this.isBlank ? '' : opt_variable.workspace.id;
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};
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object.inherits(VarBase, Abstract);
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/**
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* Encode the event as JSON.
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* @return {!Object} JSON representation.
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*/
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VarBase.prototype.toJson = function() {
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const json = VarBase.superClass_.toJson.call(this);
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json['varId'] = this.varId;
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return json;
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};
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/**
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* Decode the JSON event.
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* @param {!Object} json JSON representation.
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*/
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VarBase.prototype.fromJson = function(json) {
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VarBase.superClass_.toJson.call(this);
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this.varId = json['varId'];
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};
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exports.VarBase = VarBase;
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