mirror of
https://github.com/google/blockly.git
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91 lines
2.5 KiB
JavaScript
91 lines
2.5 KiB
JavaScript
/**
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* @license
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* Visual Blocks Editor
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*
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* Copyright 2018 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Events fired as a result of UI actions in 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.provide('Blockly.Events.Ui');
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goog.require('Blockly.Events');
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goog.require('Blockly.Events.Abstract');
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goog.require('goog.array');
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goog.require('goog.math.Coordinate');
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/**
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* Class for a UI event.
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* @param {Blockly.Block} block The affected block.
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* @param {string} element One of 'selected', 'comment', 'mutator', etc.
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* @param {*} oldValue Previous value of element.
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* @param {*} newValue New value of element.
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* @extends {Blockly.Events.Abstract}
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* @constructor
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*/
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Blockly.Events.Ui = function(block, element, oldValue, newValue) {
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if (!block) {
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return; // Blank event to be populated by fromJson.
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}
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Blockly.Events.Ui.superClass_.constructor.call(this);
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this.blockId = block.id;
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this.workspaceId = block.workspace.id;
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this.element = element;
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this.oldValue = oldValue;
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this.newValue = newValue;
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this.recordUndo = false;
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};
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goog.inherits(Blockly.Events.Ui, Blockly.Events.Abstract);
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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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Blockly.Events.Ui.prototype.type = Blockly.Events.UI;
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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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Blockly.Events.Ui.prototype.toJson = function() {
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var json = Blockly.Events.Ui.superClass_.toJson.call(this);
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json['element'] = this.element;
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if (this.newValue !== undefined) {
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json['newValue'] = this.newValue;
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}
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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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Blockly.Events.Ui.prototype.fromJson = function(json) {
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Blockly.Events.Ui.superClass_.fromJson.call(this, json);
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this.element = json['element'];
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this.newValue = json['newValue'];
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this.blockId = json['blockId'];
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};
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