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/field_textinput_removable.js

@@ -0,0 +1,105 @@
+/**
+ * @license
+ * Visual Blocks Editor
+ *
+ * Copyright 2016 Massachusetts Institute of Technology
+ * All rights reserved.
+ *
+ * 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 Text input field with floating "remove" button.
+ * @author pkaplan@media.mit.edu (Paul Kaplan)
+ */
+'use strict';
+
+goog.provide('Blockly.FieldTextInputRemovable');
+
+goog.require('Blockly.BlockSvg.render');
+goog.require('Blockly.Colours');
+goog.require('Blockly.FieldTextInput');
+goog.require('Blockly.Msg');
+goog.require('Blockly.utils');
+goog.require('goog.dom');
+goog.require('goog.dom.TagName');
+
+/**
+ * Class for an editable text field displaying a deletion icon when selected.
+ * @param {string} text The initial content of the field.
+ * @param {Function=} opt_validator An optional function that is called
+ *     to validate any constraints on what the user entered.  Takes the new
+ *     text as an argument and returns either the accepted text, a replacement
+ *     text, or null to abort the change.
+ * @param {RegExp=} opt_restrictor An optional regular expression to restrict
+ *     typed text to. Text that doesn't match the restrictor will never show
+ *     in the text field.
+ * @extends {Blockly.FieldTextInput}
+ * @constructor
+ */
+Blockly.FieldTextInputRemovable = function(text, opt_validator, opt_restrictor) {
+  Blockly.FieldTextInputRemovable.superClass_.constructor.call(this, text,
+      opt_validator, opt_restrictor);
+};
+goog.inherits(Blockly.FieldTextInputRemovable, Blockly.FieldTextInput);
+
+/**
+ * Show the inline free-text editor on top of the text with the remove button.
+ * @private
+ */
+Blockly.FieldTextInputRemovable.prototype.showEditor_ = function() {
+  Blockly.FieldTextInputRemovable.superClass_.showEditor_.call(this);
+
+  var div = Blockly.WidgetDiv.DIV;
+  div.className += ' removableTextInput';
+  var removeButton =
+      goog.dom.createDom(goog.dom.TagName.IMG, 'blocklyTextRemoveIcon');
+  removeButton.setAttribute('src',
+      Blockly.mainWorkspace.options.pathToMedia + 'icons/remove.svg');
+  this.removeButtonMouseWrapper_ = Blockly.bindEvent_(removeButton,
+      'mousedown', this, this.removeCallback_);
+  div.appendChild(removeButton);
+};
+
+/**
+ * Function to call when remove button is called. Checks for removeFieldCallback
+ * on sourceBlock and calls it if possible.
+ * @private
+ */
+Blockly.FieldTextInputRemovable.prototype.removeCallback_ = function() {
+  if (this.sourceBlock_ && this.sourceBlock_.removeFieldCallback) {
+    this.sourceBlock_.removeFieldCallback(this);
+  } else {
+    console.warn('Expected a source block with removeFieldCallback');
+  }
+};
+
+/**
+ * Helper function to construct a FieldTextInputRemovable from a JSON arg object,
+ * dereferencing any string table references.
+ * @param {!Object} options A JSON object with options (text, class, and
+ *                          spellcheck).
+ * @returns {!Blockly.FieldTextInputRemovable} The new text input.
+ * @public
+ */
+Blockly.FieldTextInputRemovable.fromJson = function(options) {
+  var text = Blockly.utils.replaceMessageReferences(options['text']);
+  var field = new Blockly.FieldTextInputRemovable(text, options['class']);
+  if (typeof options['spellcheck'] == 'boolean') {
+    field.setSpellcheck(options['spellcheck']);
+  }
+  return field;
+};
+
+Blockly.Field.register(
+    'field_input_removable', Blockly.FieldTextInputRemovable);