/** * @license * Visual Blocks Editor * * Copyright 2018 Google Inc. * https://developers.google.com/blockly/ * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * @fileoverview Events fired as a result of UI actions in a Scratch-Blocks * editor that are not fired in Blockly. * @author fenichel@google.com (Rachel Fenichel) */ 'use strict'; goog.provide('Blockly.Events.DragBlockOutside'); goog.provide('Blockly.Events.EndBlockDrag'); goog.require('Blockly.Events'); goog.require('Blockly.Events.BlockBase'); goog.require('goog.array'); goog.require('goog.math.Coordinate'); /** * Class for a block drag event. Fired when block dragged into or out of * the blocks UI. * @param {Blockly.Block} block The moved block. Null for a blank event. * @extends {Blockly.Events.BlockBase} * @constructor */ Blockly.Events.DragBlockOutside = function(block) { if (!block) { return; // Blank event to be populated by fromJson. } Blockly.Events.DragBlockOutside.superClass_.constructor.call(this, block); this.recordUndo = false; }; goog.inherits(Blockly.Events.DragBlockOutside, Blockly.Events.BlockBase); /** * Type of this event. * @type {string} */ Blockly.Events.DragBlockOutside.prototype.type = Blockly.Events.DRAG_OUTSIDE; /** * Encode the event as JSON. * @return {!Object} JSON representation. */ Blockly.Events.DragBlockOutside.prototype.toJson = function() { var json = Blockly.Events.DragBlockOutside.superClass_.toJson.call(this); if (this.isOutside) { json['isOutside'] = this.isOutside; } return json; }; /** * Decode the JSON event. * @param {!Object} json JSON representation. */ Blockly.Events.DragBlockOutside.prototype.fromJson = function(json) { Blockly.Events.DragBlockOutside.superClass_.fromJson.call(this, json); this.isOutside = json['isOutside']; }; /** * Class for a block end drag event. * @param {Blockly.Block} block The moved block. Null for a blank event. * @param {boolean} isOutside True if the moved block is outside of the * blocks workspace. * @extends {Blockly.Events.BlockBase} * @constructor */ Blockly.Events.EndBlockDrag = function(block, isOutside) { if (!block) { return; // Blank event to be populated by fromJson. } Blockly.Events.EndBlockDrag.superClass_.constructor.call(this, block); this.isOutside = isOutside; // If drag ends outside the blocks workspace, send the block XML if (isOutside) { this.xml = Blockly.Xml.blockToDom(block, true /* opt_noId */); } this.recordUndo = false; }; goog.inherits(Blockly.Events.EndBlockDrag, Blockly.Events.BlockBase); /** * Type of this event. * @type {string} */ Blockly.Events.EndBlockDrag.prototype.type = Blockly.Events.END_DRAG; /** * Encode the event as JSON. * @return {!Object} JSON representation. */ Blockly.Events.EndBlockDrag.prototype.toJson = function() { var json = Blockly.Events.EndBlockDrag.superClass_.toJson.call(this); if (this.isOutside) { json['isOutside'] = this.isOutside; } if (this.xml) { json['xml'] = this.xml; } return json; }; /** * Decode the JSON event. * @param {!Object} json JSON representation. */ Blockly.Events.EndBlockDrag.prototype.fromJson = function(json) { Blockly.Events.EndBlockDrag.superClass_.fromJson.call(this, json); this.isOutside = json['isOutside']; this.xml = json['xml']; };