<?php
/* Preprocessor to construct back and next navigation from the date argument. */
function XXXXXXXXXX_date_nav_title($granularity, $view, $link = FALSE, $format = NULL) {
  switch ($granularity) {
    case 'year':
      $title = $view->date_info->year;
      $url = $view->date_info->url .'/'. $view->date_info->year;
      break;
    case 'month':
      $format = !empty($format) ? $format : (empty($view->date_info->mini) ? 'Y. F' : 'F');
      $title = date_format_date($view->date_info->min_date, 'custom', $format);
      $url = $view->date_info->url .'/'. $view->date_info->year .'-'. date_pad($view->date_info->month);
      break;
    case 'day':
      $format = !empty($format) ? $format : (empty($view->date_info->mini) ? 'Y. F j. l' : 'F j. l');
      $title = date_format_date($view->date_info->min_date, 'custom', $format);
      $url = $view->date_info->url .'/'. $view->date_info->year .'-'. date_pad($view->date_info->month) .'-'. date_pad($view->date_info->day);
      break;
    case 'week':
    	$format = !empty($format) ? $format : (empty($view->date_info->mini) ? 'Y. W.' : 'W');
      $title = t('Week of @date', array('@date' => date_format_date($view->date_info->min_date, 'custom', $format)));
    	$url = $view->date_info->url .'/'. $view->date_info->year .'-W'. date_pad($view->date_info->week);
    	break;
  }
  if (!empty($view->date_info->mini) || $link) {
   $attributes = array('title' => t('View full page month'));
  	return l($title, $view->date_info->url, array('attributes' => $attributes));
  }
  else {
    return $title;
  }
}