Initial commit of 001code-html Scratch frontend project.

Includes scratch-gui, scratch-vm, scratch-blocks, scratch-render, scratch-l10n, and deployment config.

Co-authored-by: Cursor <cursoragent@cursor.com>

scratch-blocks/core/scratch_events.js

@@ -0,0 +1,131 @@
+/**
+ * @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'];
+};