1 // ========================================================================== 2 // Project: The M-Project - Mobile HTML5 Application Framework 3 // Copyright: (c) 2010 M-Way Solutions GmbH. All rights reserved. 4 // Creator: Sebastian 5 // Date: 22.11.2010 6 // License: Dual licensed under the MIT or GPL Version 2 licenses. 7 // http://github.com/mwaylabs/The-M-Project/blob/master/MIT-LICENSE 8 // http://github.com/mwaylabs/The-M-Project/blob/master/GPL-LICENSE 9 // ========================================================================== 10 11 m_require('core/datastore/validator.js') 12 13 /** 14 * @class 15 * 16 * Validates if passed value is a number. Works with Strings and Numbers. Strings are parsed into numbers and then checked. 17 * 18 * @extends M.Validator 19 */ 20 M.NumberValidator = M.Validator.extend( 21 /** @scope M.NumberValidator.prototype */ { 22 23 /** 24 * The type of this object. 25 * 26 * @type String 27 */ 28 type: 'M.NumberValidator', 29 30 /** 31 * Validation method. If value's type is not "number" but a string, the value is parsed into an integer or float and checked versus the string value with '=='. 32 * The '==' operator makes an implicit conversion of the value. '===' would return false. 33 * 34 * @param {Object} obj Parameter object. Contains the value to be validated, the {@link M.ModelAttribute} object of the property and the model record's id. 35 * @returns {Boolean} Indicating whether validation passed (YES|true) or not (NO|false). 36 */ 37 validate: function(obj) { 38 if(typeof(obj.value) === 'number') { 39 return YES; 40 } 41 42 /* == makes implicit conversion */ 43 if(typeof(obj.value) === 'string' && (parseInt(obj.value) == obj.value || parseFloat(obj.value) == obj.value)) { 44 return YES; 45 } 46 47 this.validationErrors.push({ 48 msg: obj.value + ' is not a number.', 49 modelId: obj.modelId, 50 property: obj.property, 51 viewId: obj.viewId, 52 validator: 'NUMBER', 53 onSuccess: obj.onSuccess, 54 onError: obj.onError 55 }); 56 return NO; 57 } 58 }); 59