Files
blockly/core/field_label_serializable.js
Rachel Fenichel 4cf1a5c886 refactor: convert some files to es classes (#5913)
* refactor: update workspace_comment and _svg to es classes

* refactor: update classes that extend icon to es classes

* refactor: update icon to es6 class

* refactor: update connection classes to es6 classes and add casts as needed

* refactor: update scrollbar to es6 class and add casts as needed

* refactor: update workspace_svg to es6 class

* refactor: update several files to es6 classes

* refactor: update several files to es6 classes

* refactor: update renderers/common/info.js to es6 class

* refactor: update several files to es6 classes

* chore: rebuild deps.js

* chore: run format
2022-02-04 10:58:22 -08:00

83 lines
2.6 KiB
JavaScript

/**
* @license
* Copyright 2019 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview Non-editable, serializable text field. Behaves like a
* normal label but is serialized to XML. It may only be
* edited programmatically.
*/
'use strict';
/**
* Non-editable, serializable text field. Behaves like a
* normal label but is serialized to XML. It may only be
* edited programmatically.
* @class
*/
goog.module('Blockly.FieldLabelSerializable');
const fieldRegistry = goog.require('Blockly.fieldRegistry');
const parsing = goog.require('Blockly.utils.parsing');
const {FieldLabel} = goog.require('Blockly.FieldLabel');
/**
* Class for a non-editable, serializable text field.
* @extends {FieldLabel}
*/
class FieldLabelSerializable extends FieldLabel {
/**
* @param {*} opt_value The initial value of the field. Should cast to a
* string. Defaults to an empty string if null or undefined.
* @param {string=} opt_class Optional CSS class for the field's text.
* @param {Object=} opt_config A map of options used to configure the field.
* See the [field creation documentation]{@link
* https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/label-serializable#creation}
* for a list of properties this parameter supports.
*
* @alias Blockly.FieldLabelSerializable
*/
constructor(opt_value, opt_class, opt_config) {
const stringValue = opt_value == undefined ? '' : String(opt_value);
super(stringValue, opt_class, opt_config);
/**
* Editable fields usually show some sort of UI indicating they are
* editable. This field should not.
* @type {boolean}
*/
this.EDITABLE = false;
/**
* Serializable fields are saved by the XML renderer, non-serializable
* fields are not. This field should be serialized, but only edited
* programmatically.
* @type {boolean}
*/
this.SERIALIZABLE = true;
}
/**
* Construct a FieldLabelSerializable from a JSON arg object,
* dereferencing any string table references.
* @param {!Object} options A JSON object with options (text, and class).
* @return {!FieldLabelSerializable} The new field instance.
* @package
* @nocollapse
* @override
*/
static fromJson(options) {
const text = parsing.replaceMessageReferences(options['text']);
// `this` might be a subclass of FieldLabelSerializable if that class
// doesn't override the static fromJson method.
return new this(text, undefined, options);
}
}
fieldRegistry.register('field_label_serializable', FieldLabelSerializable);
exports.FieldLabelSerializable = FieldLabelSerializable;