1. sfWidgetFormDate.class.php
  2. /**
 * sfWidgetFormDate represents a date widget.
 *
 * @package    symfony
 * @subpackage widget
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfWidgetFormDate.class.php 24605 2009-11-30 21:20:19Z FabianLange $
 */
  3. class sfWidgetFormDate extends sfWidgetForm
  4. {
  5.   /**
  6.    * Configures the current widget.
  7.    *
  8.    * Available options:
  9.    *
  10.    *  * format:       The date format string (%month%/%day%/%year% by default)
  11.    *  * years:        An array of years for the year select tag (optional)
  12.    *                  Be careful that the keys must be the years, and the values what will be displayed to the user
  13.    *  * months:       An array of months for the month select tag (optional)
  14.    *  * days:         An array of days for the day select tag (optional)
  15.    *  * can_be_empty: Whether the widget accept an empty value (true by default)
  16.    *  * empty_values: An array of values to use for the empty value (empty string for year, month, and day by default)
  17.    *
  18.    * @param array $options     An array of options
  19.    * @param array $attributes  An array of default HTML attributes
  20.    *
  21.    * @see sfWidgetForm
  22.    */
  23.   protected function configure($options = array(), $attributes = array())
  24.   {
  25.     $this->addOption('format', '%month%/%day%/%year%');
  26.     $this->addOption('days', parent::generateTwoCharsRange(1, 31));
  27.     $this->addOption('months', parent::generateTwoCharsRange(1, 12));
  28.     $years = range(date('Y') - 5, date('Y') + 5);
  29.     $this->addOption('years', array_combine($years, $years));
  31.     $this->addOption('can_be_empty', true);
  32.     $this->addOption('empty_values', array('year' => '', 'month' => '', 'day' => ''));
  33.   }
  35.   /**
  36.    * @param  string $name        The element name
  37.    * @param  string $value       The date displayed in this widget
  38.    * @param  array  $attributes  An array of HTML attributes to be merged with the default HTML attributes
  39.    * @param  array  $errors      An array of errors for the field
  40.    *
  41.    * @return string An HTML tag string
  42.    *
  43.    * @see sfWidgetForm
  44.    */
  45.   public function render($name, $value = null, $attributes = array(), $errors = array())
  46.   {
  47.     // convert value to an array
  48.     $default = array('year' => null, 'month' => null, 'day' => null);
  49.     if (is_array($value))
  50.     {
  51.       $value = array_merge($default, $value);
  52.     }
  53.     else
  54.     {
  55.       $value = (string) $value == (string) (integer) $value ? (integer) $value : strtotime($value);
  56.       if (false === $value)
  57.       {
  58.         $value = $default;
  59.       }
  60.       else
  61.       {
  62.         $value = array('year' => date('Y', $value), 'month' => date('n', $value), 'day' => date('j', $value));
  63.       }
  64.     }
  66.     $date = array();
  67.     $emptyValues = $this->getOption('empty_values');
  69.     $date['%day%'] = $this->renderDayWidget($name.'[day]', $value['day'], array('choices' => $this->getOption('can_be_empty') ? array('' => $emptyValues['day']) + $this->getOption('days') : $this->getOption('days')), array_merge($this->attributes, $attributes));
  70.     $date['%month%'] = $this->renderMonthWidget($name.'[month]', $value['month'], array('choices' => $this->getOption('can_be_empty') ? array('' => $emptyValues['month']) + $this->getOption('months') : $this->getOption('months')), array_merge($this->attributes, $attributes));
  71.     $date['%year%'] = $this->renderYearWidget($name.'[year]', $value['year'], array('choices' => $this->getOption('can_be_empty') ? array('' => $emptyValues['year']) + $this->getOption('years') : $this->getOption('years')), array_merge($this->attributes, $attributes));
  74.     return strtr($this->getOption('format'), $date);
  75.   }
  77.   /**
  78.    * @param string $name
  79.    * @param string $value
  80.    * @param array $options
  81.    * @param array $attributes
  82.    * @return string rendered widget
  83.    */
  84.   protected function renderDayWidget($name, $value, $options, $attributes)
  85.   {
  86.     $widget = new sfWidgetFormSelect($options, $attributes);
  87.     return $widget->render($name, $value);
  88.   }
  90.   /**
  91.    * @param string $name
  92.    * @param string $value
  93.    * @param array $options
  94.    * @param array $attributes
  95.    * @return string rendered widget
  96.    */
  97.   protected function renderMonthWidget($name, $value, $options, $attributes)
  98.   {
  99.     $widget = new sfWidgetFormSelect($options, $attributes);
  100.     return $widget->render($name, $value);
  101.   }
  103.   /**
  104.    * @param string $name
  105.    * @param string $value
  106.    * @param array $options
  107.    * @param array $attributes
  108.    * @return string rendered widget
  109.    */
  110.   protected function renderYearWidget($name, $value, $options, $attributes)
  111.   {
  112.     $widget = new sfWidgetFormSelect($options, $attributes);
  113.     return $widget->render($name, $value);
  114.   }
  115. }
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