function calendar_get_paths in Calendar 5.2

Same name and namespace in other branches

1. 5 calendar.module \calendar_get_paths()

1 call to calendar_get_paths()

theme_calendar_nav in ./calendar.theme

Function to construct back and next navigation from views arguments

File

./calendar.inc, line 782

All the code used while processing a calendar is stored in this file and is included only when needed.

Code

function calendar_get_paths($view) {
  $path = array();
  $prev_date = drupal_clone($view->min_date);
  date_modify($prev_date, '-1 ' . $view->calendar_type);
  $next_date = drupal_clone($view->min_date);
  date_modify($next_date, '+1 ' . $view->calendar_type);
  $path = calendar_get_url($view, $view->args, TRUE);

  // reverse through the path, creating a $nextpath and $prevpath arrays
  $formats = array(
    'day' => 'j',
    'month' => 'm',
    'year' => 'Y',
    'week' => 'W',
  );
  for ($x = count($path); $x >= 0; $x--) {
    $type = $path[$x]['type'];
    if (in_array($type, array_keys($formats)) && $path[$x]['path'] != CALENDAR_EMPTY_ARG) {
      if ($type != 'week') {
        $nextpath[$x] = $type == 'year' && isset($next_year) ? $next_year : date_format($next_date, $formats[$type]);
        $prevpath[$x] = $type == 'year' && isset($prev_year) ? $prev_year : date_format($prev_date, $formats[$type]);
      }
      else {
        if (date_format($prev_date, 'Y') < $view->year) {
          $prev_week = calendar_max_weeks(date_format($prev_date, 'Y'));
        }
        else {
          $prev_week = $view->week - 1;
        }
        if (date_format($next_date, 'Y') > $view->year) {
          $next_week = 1;
        }
        else {
          $next_week = $view->week + 1;
        }
        $nextpath[$x] = 'W' . $next_week;
        $prevpath[$x] = 'W' . $prev_week;
      }
    }
    elseif (!empty($path[$x]['path'])) {
      $nextpath[$x] = $path[$x]['path'];
      $prevpath[$x] = $path[$x]['path'];
    }
  }

  // See if back/next navigation will take us outside
  // the allowed date range for our argument.
  $view_dates = calendar_year_range($view);
  $view_min_year = $view_dates[0];
  $view_max_year = $view_dates[1];
  if (date_format($prev_date, 'Y') < $view_min_year) {
    $prevpath = array();
  }
  if (date_format($next_date, 'Y') > $view_max_year) {
    $nextpath = array();
  }
  return array(
    $prevpath,
    $nextpath,
  );
}