Files
blockly/core/events/events_ui.js

89 lines
2.4 KiB
JavaScript

/**
* @license
* Copyright 2018 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview (Deprecated) Events fired as a result of UI actions in
* Blockly's editor.
* @author fraser@google.com (Neil Fraser)
*/
'use strict';
/**
* (Deprecated) Events fired as a result of UI actions in
* Blockly's editor.
* @class
*/
goog.module('Blockly.Events.Ui');
const UiBase = goog.require('Blockly.Events.UiBase');
const eventUtils = goog.require('Blockly.Events.utils');
const object = goog.require('Blockly.utils.object');
const registry = goog.require('Blockly.registry');
/* eslint-disable-next-line no-unused-vars */
const {Block} = goog.requireType('Blockly.Block');
/**
* Class for a UI event.
* @param {?Block=} opt_block The affected block. Null for UI events
* that do not have an associated block. Undefined for a blank event.
* @param {string=} opt_element One of 'selected', 'comment', 'mutatorOpen',
* etc.
* @param {*=} opt_oldValue Previous value of element.
* @param {*=} opt_newValue New value of element.
* @extends {UiBase}
* @deprecated December 2020. Instead use a more specific UI event.
* @constructor
* @alias Blockly.Events.Ui
*/
const Ui = function(opt_block, opt_element, opt_oldValue, opt_newValue) {
const workspaceId = opt_block ? opt_block.workspace.id : undefined;
Ui.superClass_.constructor.call(this, workspaceId);
this.blockId = opt_block ? opt_block.id : null;
this.element = typeof opt_element == 'undefined' ? '' : opt_element;
this.oldValue = typeof opt_oldValue == 'undefined' ? '' : opt_oldValue;
this.newValue = typeof opt_newValue == 'undefined' ? '' : opt_newValue;
};
object.inherits(Ui, UiBase);
/**
* Type of this event.
* @type {string}
*/
Ui.prototype.type = eventUtils.UI;
/**
* Encode the event as JSON.
* @return {!Object} JSON representation.
*/
Ui.prototype.toJson = function() {
const json = Ui.superClass_.toJson.call(this);
json['element'] = this.element;
if (this.newValue !== undefined) {
json['newValue'] = this.newValue;
}
if (this.blockId) {
json['blockId'] = this.blockId;
}
return json;
};
/**
* Decode the JSON event.
* @param {!Object} json JSON representation.
*/
Ui.prototype.fromJson = function(json) {
Ui.superClass_.fromJson.call(this, json);
this.element = json['element'];
this.newValue = json['newValue'];
this.blockId = json['blockId'];
};
registry.register(registry.Type.EVENT, eventUtils.UI, Ui);
exports = Ui;