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90b3f75d82
Our files are up to a decade old, and have churned so much, that the initial author of the file no longer has much meaning. Furthermore, this will encourage developers to post to the developer group, rather than emailing Googlers (usually me) directly.
88 lines
2.1 KiB
JavaScript
88 lines
2.1 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 Class for a variable creation event.
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*/
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'use strict';
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/**
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* Class for a variable creation event.
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* @class
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*/
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goog.module('Blockly.Events.VarCreate');
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const VarBase = goog.require('Blockly.Events.VarBase');
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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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const eventUtils = goog.require('Blockly.Events.utils');
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const object = goog.require('Blockly.utils.object');
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const registry = goog.require('Blockly.registry');
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/**
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* Class for a variable creation event.
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* @param {!VariableModel=} opt_variable The created variable. Undefined
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* for a blank event.
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* @extends {VarBase}
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* @constructor
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* @alias Blockly.Events.VarCreate
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*/
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const VarCreate = function(opt_variable) {
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VarCreate.superClass_.constructor.call(this, opt_variable);
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if (!opt_variable) {
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return; // Blank event to be populated by fromJson.
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}
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this.varType = opt_variable.type;
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this.varName = opt_variable.name;
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};
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object.inherits(VarCreate, VarBase);
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/**
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* Type of this event.
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* @type {string}
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*/
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VarCreate.prototype.type = eventUtils.VAR_CREATE;
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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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VarCreate.prototype.toJson = function() {
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const json = VarCreate.superClass_.toJson.call(this);
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json['varType'] = this.varType;
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json['varName'] = this.varName;
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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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VarCreate.prototype.fromJson = function(json) {
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VarCreate.superClass_.fromJson.call(this, json);
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this.varType = json['varType'];
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this.varName = json['varName'];
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};
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/**
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* Run a variable creation event.
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* @param {boolean} forward True if run forward, false if run backward (undo).
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*/
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VarCreate.prototype.run = function(forward) {
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const workspace = this.getEventWorkspace_();
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if (forward) {
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workspace.createVariable(this.varName, this.varType, this.varId);
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} else {
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workspace.deleteVariableById(this.varId);
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}
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};
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registry.register(registry.Type.EVENT, eventUtils.VAR_CREATE, VarCreate);
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exports = VarCreate;
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