mirror of
https://github.com/scratchfoundation/scratch-blocks.git
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77 lines
2.7 KiB
JavaScript
77 lines
2.7 KiB
JavaScript
/**
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* @license
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* Visual Blocks Editor
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*
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* Copyright 2013 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Combination number + drop-down field
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* @author tmickel@mit.edu (Tim Mickel)
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*/
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'use strict';
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goog.provide('Blockly.FieldNumberDropdown');
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goog.require('Blockly.FieldTextDropdown');
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goog.require('goog.userAgent');
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/**
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* Class for a combination number + drop-down field.
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* @param {number|string} value The initial content of the field.
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* @param {(!Array.<!Array.<string>>|!Function)} menuGenerator An array of
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* options for a dropdown list, or a function which generates these options.
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* @param {number|string|undefined} opt_min Minimum value.
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* @param {number|string|undefined} opt_max Maximum value.
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* @param {number|string|undefined} opt_precision Precision for value.
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* @param {Function=} opt_validator An optional function that is called
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* to validate any constraints on what the user entered. Takes the new
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* text as an argument and returns the accepted text or null to abort
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* the change.
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* @extends {Blockly.FieldTextInput}
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* @constructor
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*/
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Blockly.FieldNumberDropdown = function(value, menuGenerator, opt_min, opt_max,
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opt_precision, opt_validator) {
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this.setConstraints_ = Blockly.FieldNumber.prototype.setConstraints_;
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var numRestrictor = Blockly.FieldNumber.prototype.getNumRestrictor.call(
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this, opt_min, opt_max, opt_precision
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);
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Blockly.FieldNumberDropdown.superClass_.constructor.call(
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this, value, menuGenerator, opt_validator, numRestrictor
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);
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this.addArgType('numberdropdown');
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};
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goog.inherits(Blockly.FieldNumberDropdown, Blockly.FieldTextDropdown);
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/**
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* Construct a FieldTextDropdown from a JSON arg object,
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* dereferencing any string table references.
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* @param {!Object} element A JSON object with options.
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* @returns {!Blockly.FieldNumberDropdown} The new field instance.
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* @package
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* @nocollapse
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*/
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Blockly.FieldNumberDropdown.fromJson = function(element) {
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return new Blockly.FieldNumberDropdown(
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element['value'], element['options'],
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element['min'], element['max'], element['precision']
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);
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};
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Blockly.Field.register('field_numberdropdown', Blockly.FieldNumberDropdown);
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