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/**
* @license
* Visual Blocks Editor
*
* Copyright 2013 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 Combination number + drop-down field
* @author tmickel@mit.edu (Tim Mickel)
*/
'use strict';
goog.provide('Blockly.FieldNumberDropdown');
goog.require('Blockly.FieldTextDropdown');
goog.require('goog.userAgent');
/**
* Class for a combination number + drop-down field.
* @param {number|string} value The initial content of the field.
* @param {(!Array.<!Array.<string>>|!Function)} menuGenerator An array of
* options for a dropdown list, or a function which generates these options.
* @param {number|string|undefined} opt_min Minimum value.
* @param {number|string|undefined} opt_max Maximum value.
* @param {number|string|undefined} opt_precision Precision for value.
* @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 the accepted text or null to abort
* the change.
* @extends {Blockly.FieldTextInput}
* @constructor
*/
Blockly.FieldNumberDropdown = function(value, menuGenerator, opt_min, opt_max,
opt_precision, opt_validator) {
this.setConstraints_ = Blockly.FieldNumber.prototype.setConstraints_;
var numRestrictor = Blockly.FieldNumber.prototype.getNumRestrictor.call(
this, opt_min, opt_max, opt_precision
);
Blockly.FieldNumberDropdown.superClass_.constructor.call(
this, value, menuGenerator, opt_validator, numRestrictor
);
this.addArgType('numberdropdown');
};
goog.inherits(Blockly.FieldNumberDropdown, Blockly.FieldTextDropdown);
/**
* Construct a FieldTextDropdown from a JSON arg object,
* dereferencing any string table references.
* @param {!Object} element A JSON object with options.
* @returns {!Blockly.FieldNumberDropdown} The new field instance.
* @package
* @nocollapse
*/
Blockly.FieldNumberDropdown.fromJson = function(element) {
return new Blockly.FieldNumberDropdown(
element['value'], element['options'],
element['min'], element['max'], element['precision']
);
};
Blockly.Field.register('field_numberdropdown', Blockly.FieldNumberDropdown);
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