function template_preprocess_date_views_pager in Date 8

Same name and namespace in other branches

1. 7.3 date_views/theme/theme.inc \template_preprocess_date_views_pager()
2. 7.2 date_views/theme/theme.inc \template_preprocess_date_views_pager()

Preprocess function for Date pager template.

File

date_views/theme/theme.inc, line 32

Theme files for Date Pager.

Code

function template_preprocess_date_views_pager(&$vars) {
  ctools_add_css('date_views', 'date_views');
  $calendar = system_calendar();
  $plugin = $vars['plugin'];
  $input = $vars['input'];
  $view = $plugin->view;
  $vars['nav_title'] = '';
  $vars['next_url'] = '';
  $vars['prev_url'] = '';
  if (empty($view->date_info) || empty($view->date_info->min_date)) {
    return;
  }
  $date_info = $view->date_info;

  // Make sure we have some sort of granularity.
  $granularity = !empty($date_info->granularity) ? $date_info->granularity : 'month';
  $pos = $date_info->date_arg_pos;
  if (!empty($input)) {
    $id = $plugin->options['date_id'];
    if (array_key_exists($id, $input) && !empty($input[$id])) {
      $view->args[$pos] = $input[$id];
    }
  }
  $next_args = $view->args;
  $prev_args = $view->args;
  $min_date = $date_info->min_date;
  $max_date = $date_info->max_date;

  // Set up the pager link format. Setting the block identifier
  // will force pager style links.
  if (isset($date_info->date_pager_format) && $date_info->date_pager_format != 'clean' || !empty($date_info->mini)) {
    if (empty($date_info->block_identifier)) {
      $date_info->block_identifier = $date_info->pager_id;
    }
  }
  if (empty($date_info->hide_nav)) {
    $prev_date = clone $min_date;
    date_modify($prev_date, '-1 ' . $granularity);
    $next_date = clone $min_date;
    date_modify($next_date, '+1 ' . $granularity);
    $format = array(
      'year' => 'Y',
      'month' => 'Y-m',
      'day' => 'Y-m-d',
    );
    switch ($granularity) {
      case 'week':
        $next_week = date_calendar_week(date_format($next_date, 'Y-m-d'));
        $prev_week = date_calendar_week(date_format($prev_date, 'Y-m-d'));
        $next_arg = date_format($next_date, 'Y-\\W') . DrupalDateTime::datePad($next_week);
        $prev_arg = date_format($prev_date, 'Y-\\W') . DrupalDateTime::datePad($prev_week);
        break;
      default:
        $next_arg = date_format($next_date, $format[$granularity]);
        $prev_arg = date_format($prev_date, $format[$granularity]);
    }
    $next_path = str_replace($date_info->date_arg, $next_arg, $date_info->url);
    $prev_path = str_replace($date_info->date_arg, $prev_arg, $date_info->url);
    $next_args[$pos] = $next_arg;
    $prev_args[$pos] = $prev_arg;
    $vars['next_url'] = date_pager_url($view, NULL, $next_arg);
    $vars['prev_url'] = date_pager_url($view, NULL, $prev_arg);
    $vars['next_options'] = $vars['prev_options'] = array();
  }
  else {
    $next_path = '';
    $prev_path = '';
    $vars['next_url'] = '';
    $vars['prev_url'] = '';
    $vars['next_options'] = $vars['prev_options'] = array();
  }

  // Check whether navigation links would point to
  // a date outside the allowed range.
  if (!empty($next_date) && !empty($vars['next_url']) && date_format($next_date, 'Y') > $date_info->limit[1]) {
    $vars['next_url'] = '';
  }
  if (!empty($prev_date) && !empty($vars['prev_url']) && date_format($prev_date, 'Y') < $date_info->limit[0]) {
    $vars['prev_url'] = '';
  }
  $vars['prev_options'] += array(
    'attributes' => array(),
  );
  $vars['next_options'] += array(
    'attributes' => array(),
  );
  $prev_title = '';
  $next_title = '';

  // Build next/prev link titles.
  switch ($granularity) {
    case 'year':
      $prev_title = t('Navigate to previous year');
      $next_title = t('Navigate to next year');
      break;
    case 'month':
      $prev_title = t('Navigate to previous month');
      $next_title = t('Navigate to next month');
      break;
    case 'week':
      $prev_title = t('Navigate to previous week');
      $next_title = t('Navigate to next week');
      break;
    case 'day':
      $prev_title = t('Navigate to previous day');
      $next_title = t('Navigate to next day');
      break;
  }
  $vars['prev_options']['attributes'] += array(
    'title' => $prev_title,
  );
  $vars['next_options']['attributes'] += array(
    'title' => $next_title,
  );

  // Add nofollow for next/prev links.
  $vars['prev_options']['attributes'] += array(
    'rel' => 'nofollow',
  );
  $vars['next_options']['attributes'] += array(
    'rel' => 'nofollow',
  );

  // Need this so we can use '&laquo;' or images in the links.
  $vars['prev_options'] += array(
    'html' => TRUE,
  );
  $vars['next_options'] += array(
    'html' => TRUE,
  );
  $link = FALSE;

  // Month navigation titles are used as links in the block view.
  if (!empty($date_info->mini) && $granularity == 'month') {
    $link = TRUE;
  }
  $params = array(
    'granularity' => $granularity,
    'view' => $view,
    'link' => $link,
  );
  $nav_title = theme('date_nav_title', $params);
  $vars['nav_title'] = $nav_title;
  $vars['mini'] = !empty($date_info->mini);
}