/** * @license * Visual Blocks Editor * * Copyright 2012 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 Text input field. * @author fraser@google.com (Neil Fraser) */ 'use strict'; goog.provide('Blockly.FieldTextInputRemovable'); goog.require('Blockly.FieldTextInput'); goog.require('Blockly.BlockSvg.render'); goog.require('Blockly.Colours'); goog.require('Blockly.Field'); goog.require('Blockly.Msg'); goog.require('Blockly.utils'); goog.require('goog.asserts'); goog.require('goog.dom'); goog.require('goog.dom.TagName'); goog.require('goog.userAgent'); /** * Class for an editable text field. * @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.Field} * @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; var removeButton = goog.dom.createDom(goog.dom.TagName.IMG, 'blocklyTextDropDownArrow'); removeButton.setAttribute('src', Blockly.mainWorkspace.options.pathToMedia + 'icons/remove.svg'); removeButton.style.width = 25 + 'px'; removeButton.style.height = 25 + 'px'; removeButton.style.top = -40 + 'px'; removeButton.style.cursor = 'pointer'; removeButton.style.left = '50%'; removeButton.style['margin-left'] = -15 + 'px'; this.removeButtonMouseWrapper_ = Blockly.bindEvent_(removeButton, 'mousedown', this, this.removeCallback_); div.appendChild(removeButton); }; Blockly.FieldTextInput.prototype.removeCallback_ = function() { if (this.sourceBlock_ && this.sourceBlock_.removeFieldCallback) { this.sourceBlock_.removeFieldCallback(this); } };