interface/modules/zend_modules/library/Zend/Form/Element/Month.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Form\Element;
  11
  12 use Zend\Form\Element;
  13 use Zend\Validator\DateStep as DateStepValidator;
  14 use Zend\Validator\Regex as RegexValidator;
  15 use Zend\Validator\ValidatorInterface;
  16
  17 class Month extends DateTime
  18 {
  19     /**
  20      * Seed attributes
  21      *
  22      * @var array
  23      */
  24     protected $attributes = array(
  25         'type' => 'month',
  26     );
  27
  28     /**
  29      * Retrieves a Date Validator configured for a Month Input type
  30      *
  31      * @return ValidatorInterface
  32      */
  33     protected function getDateValidator()
  34     {
  35         return new RegexValidator('/^[0-9]{4}\-(0[1-9]|1[012])$/');
  36     }
  37
  38     /**
  39      * Retrieves a DateStep Validator configured for a Month Input type
  40      *
  41      * @return ValidatorInterface
  42      */
  43     protected function getStepValidator()
  44     {
  45         $stepValue = (isset($this->attributes['step']))
  46                      ? $this->attributes['step'] : 1; // Months
  47
  48         $baseValue = (isset($this->attributes['min']))
  49                      ? $this->attributes['min'] : '1970-01';
  50
  51         return new DateStepValidator(array(
  52             'format'    => "Y-m",
  53             'baseValue' => $baseValue,
  54             'step'      => new \DateInterval("P{$stepValue}M"),
  55         ));
  56     }
  57 }