/**
* Preprocess function for Date pager template.
*/
function rfht2_preprocess_date_views_pager(&$vars)
{
ctools_add_css('date_views', 'date_views');
$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':
$next_week = date_week(date_format($next_date, 'Y-m-d'));
$prev_week = date_week(date_format($prev_date, 'Y-m-d'));
$next_arg = date_format($next_date, 'Y-\\W') . date_pad($next_week);
$prev_arg = date_format($prev_date, 'Y-\\W') . date_pad($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 '«' 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);
// Get the date information from the view.
$date_info = $view->date_info;
// Choose the dislpay format of the month name.
$format = 'F';
// Get the previous month.
$dateString = $date_info->min_date;
$prev_month = new DateTime($dateString);
$prev_month->modify('-1 month');
$prev_pager_title = format_date($prev_month->getTimestamp(), 'custom', $format);
$vars['prev_title'] = $prev_pager_title;
// Get the next month.
$next_month = new DateTime($dateString);
$next_month->modify('+1 month');
$next_pager_title = format_date($next_month->getTimestamp(), 'custom', $format);
$vars['next_title'] = $next_pager_title;
}
/**
* The number of calendar weeks in a year.
*
* PHP week functions return the ISO week, not the calendar week.
*
* @param int $year
* @return int number of calendar weeks in selected year.
*/
function date_weeks_in_year($year)
{
$date = new DateObject($year + 1 . '-01-01 12:00:00', 'UTC');
date_modify($date, '-1 day');
return date_week($date->format('Y-m-d'));
}
