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84 lines
2.2 KiB
JavaScript
84 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 UI click in Blockly's editor.
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*/
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'use strict';
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/**
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* Events fired as a result of UI click in Blockly's editor.
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* @class
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*/
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goog.module('Blockly.Events.Click');
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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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/* eslint-disable-next-line no-unused-vars */
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const {Block} = goog.requireType('Blockly.Block');
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const {UiBase} = goog.require('Blockly.Events.UiBase');
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/**
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* Class for a click event.
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* @param {?Block=} opt_block The affected block. Null for click events
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* that do not have an associated block (i.e. workspace click). Undefined
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* for a blank event.
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* @param {?string=} opt_workspaceId The workspace identifier for this event.
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* Not used if block is passed. Undefined for a blank event.
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* @param {string=} opt_targetType The type of element targeted by this click
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* event. Undefined for a blank event.
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* @extends {UiBase}
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* @constructor
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* @alias Blockly.Events.Click
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*/
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const Click = function(opt_block, opt_workspaceId, opt_targetType) {
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const workspaceId = opt_block ? opt_block.workspace.id : opt_workspaceId;
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Click.superClass_.constructor.call(this, workspaceId);
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this.blockId = opt_block ? opt_block.id : null;
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/**
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* The type of element targeted by this click event.
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* @type {string|undefined}
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*/
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this.targetType = opt_targetType;
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};
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object.inherits(Click, 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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Click.prototype.type = eventUtils.CLICK;
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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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Click.prototype.toJson = function() {
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const json = Click.superClass_.toJson.call(this);
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json['targetType'] = this.targetType;
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if (this.blockId) {
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json['blockId'] = this.blockId;
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}
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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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Click.prototype.fromJson = function(json) {
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Click.superClass_.fromJson.call(this, json);
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this.targetType = json['targetType'];
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this.blockId = json['blockId'];
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};
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registry.register(registry.Type.EVENT, eventUtils.CLICK, Click);
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exports.Click = Click;
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