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83 lines
2.2 KiB
JavaScript
83 lines
2.2 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 Events fired as a result of element select action.
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*/
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'use strict';
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/**
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* Events fired as a result of element select action.
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* @class
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*/
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goog.module('Blockly.Events.Selected');
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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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const {UiBase} = goog.require('Blockly.Events.UiBase');
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/**
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* Class for a selected event.
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* @param {?string=} opt_oldElementId The ID of the previously selected
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* element. Null if no element last selected. Undefined for a blank event.
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* @param {?string=} opt_newElementId The ID of the selected element. Null if no
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* element currently selected (deselect). Undefined for a blank event.
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* @param {string=} opt_workspaceId The workspace identifier for this event.
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* Null if no element previously selected. Undefined for a blank event.
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* @extends {UiBase}
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* @constructor
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* @alias Blockly.Events.Selected
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*/
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const Selected = function(opt_oldElementId, opt_newElementId, opt_workspaceId) {
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Selected.superClass_.constructor.call(this, opt_workspaceId);
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/**
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* The id of the last selected element.
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* @type {?string|undefined}
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*/
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this.oldElementId = opt_oldElementId;
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/**
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* The id of the selected element.
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* @type {?string|undefined}
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*/
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this.newElementId = opt_newElementId;
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};
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object.inherits(Selected, UiBase);
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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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Selected.prototype.type = eventUtils.SELECTED;
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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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Selected.prototype.toJson = function() {
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const json = Selected.superClass_.toJson.call(this);
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json['oldElementId'] = this.oldElementId;
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json['newElementId'] = this.newElementId;
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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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Selected.prototype.fromJson = function(json) {
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Selected.superClass_.fromJson.call(this, json);
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this.oldElementId = json['oldElementId'];
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this.newElementId = json['newElementId'];
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};
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registry.register(registry.Type.EVENT, eventUtils.SELECTED, Selected);
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exports.Selected = Selected;
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