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59 lines
1.4 KiB
JavaScript
59 lines
1.4 KiB
JavaScript
/**
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* @license
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* Copyright 2020 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 Base class for events fired as a result of UI actions in
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* Blockly's editor.
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* @author fraser@google.com (Neil Fraser)
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*/
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'use strict';
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goog.module('Blockly.Events.UiBase');
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goog.module.declareLegacyNamespace();
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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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/**
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* Base class for a UI event.
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* UI events are events that don't need to be sent over the wire for multi-user
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* editing to work (e.g. scrolling the workspace, zooming, opening toolbox
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* categories).
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* UI events do not undo or redo.
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* @param {string=} opt_workspaceId The workspace identifier for this event.
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* Undefined for a blank event.
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* @extends {Abstract}
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* @constructor
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*/
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const UiBase = function(opt_workspaceId) {
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UiBase.superClass_.constructor.call(this);
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/**
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* Whether or not the event is blank (to be populated by fromJson).
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* @type {boolean}
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*/
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this.isBlank = typeof opt_workspaceId == 'undefined';
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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 = opt_workspaceId ? opt_workspaceId : '';
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// UI events do not undo or redo.
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this.recordUndo = false;
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};
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object.inherits(UiBase, Abstract);
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/**
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* Whether or not the event is a UI event.
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* @type {boolean}
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*/
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UiBase.prototype.isUiEvent = true;
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exports = UiBase;
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