/**
* Overrides theme_date_display_combination().
*/
function favrskovtheme_date_display_combination($variables)
{
static $repeating_ids = array();
$entity_type = $variables['entity_type'];
$entity = $variables['entity'];
$field = $variables['field'];
$instance = $variables['instance'];
$langcode = $variables['langcode'];
$item = $variables['item'];
$delta = $variables['delta'];
$display = $variables['display'];
$field_name = $field['field_name'];
$formatter = $display['type'];
$options = $display['settings'];
$dates = $variables['dates'];
$attributes = $variables['attributes'];
$rdf_mapping = $variables['rdf_mapping'];
$add_rdf = $variables['add_rdf'];
$precision = date_granularity_precision($field['settings']['granularity']);
$output = '';
// If date_id is set for this field and delta doesn't match, don't display it.
if (!empty($entity->date_id)) {
foreach ((array) $entity->date_id as $key => $id) {
list($module, $nid, $field_name, $item_delta, $other) = explode('.', $id . '.');
if ($field_name == $field['field_name'] && isset($delta) && $item_delta != $delta) {
return $output;
}
}
}
// Check the formatter settings to see if the repeat rule should be displayed.
// Show it only with the first multiple value date.
list($id) = entity_extract_ids($entity_type, $entity);
if (!in_array($id, $repeating_ids) && module_exists('date_repeat_field') && !empty($item['rrule']) && $options['show_repeat_rule'] == 'show') {
$repeat_vars = array('field' => $field, 'item' => $item, 'entity_type' => $entity_type, 'entity' => $entity);
$output .= theme('date_repeat_display', $repeat_vars);
$repeating_ids[] = $id;
}
// If this is a full node or a pseudo node created by grouping multiple
// values, see exactly which values are supposed to be visible.
if (isset($entity->{$field_name})) {
$entity = date_prepare_entity($formatter, $entity_type, $entity, $field, $instance, $langcode, $item, $display);
// Did the current value get removed by formatter settings?
if (empty($entity->{$field_name}[$langcode][$delta])) {
return $output;
}
// Adjust the $element values to match the changes.
$element['#entity'] = $entity;
}
switch ($options['fromto']) {
case 'value':
$date1 = $dates['value']['formatted'];
$date2 = $date1;
break;
case 'value2':
$date2 = $dates['value2']['formatted'];
$date1 = $date2;
break;
default:
$date1 = $dates['value']['formatted'];
$date2 = $dates['value2']['formatted'];
break;
}
// Pull the timezone, if any, out of the formatted result and tack it back on
// at the end, if it is in the current formatted date.
$timezone = $dates['value']['formatted_timezone'];
if ($timezone) {
$timezone = ' ' . $timezone;
}
$date1 = str_replace($timezone, '', $date1);
$date2 = str_replace($timezone, '', $date2);
$time1 = preg_replace('`^([\\(\\[])`', '', $dates['value']['formatted_time']);
$time1 = preg_replace('([\\)\\]]$)', '', $time1);
$time2 = preg_replace('`^([\\(\\[])`', '', $dates['value2']['formatted_time']);
$time2 = preg_replace('([\\)\\]]$)', '', $time2);
// A date with a granularity of 'hour' has a time string that is an integer
// value. We can't use that to replace time strings in formatted dates.
$has_time_string = date_has_time($field['settings']['granularity']);
if ($precision == 'hour') {
$has_time_string = FALSE;
}
// No date values, display nothing.
if (empty($date1) && empty($date2)) {
$output .= '';
} elseif ($date1 == $date2 || empty($date2)) {
$output .= theme('date_display_single', array('date' => $date1, 'timezone' => $timezone, 'attributes' => $attributes, 'rdf_mapping' => $rdf_mapping, 'add_rdf' => $add_rdf, 'dates' => $dates));
} else {
$output .= theme('date_display_range', array('date1' => $date1, 'date2' => $date2, 'timezone' => $timezone, 'attributes' => $attributes, 'rdf_mapping' => $rdf_mapping, 'add_rdf' => $add_rdf, 'dates' => $dates));
}
return $output;
}
/**
* Rewrite a format string so it only includes elements from a
* specified granularity array.
*
* Example:
* date_limit_format('F j, Y - H:i', array('year', 'month', 'day'));
* returns 'F j, Y'
*
* @param $format
* a format string
* @param $granularity
* an array of allowed date parts, all others will be removed
* array('year', 'month', 'day', 'hour', 'minute', 'second');
* @return
* a format string with all other elements removed
*/
function date_limit_format($format, $granularity)
{
// If punctuation has been escaped, remove the escaping.
// Done using strtr because it is easier than getting the
// escape character extracted using preg_replace.
$replace = array('\\-' => '-', '\\:' => ':', "\\'" => "'", '\\. ' => ' . ', '\\,' => ',');
$format = strtr($format, $replace);
// Get the 'T' out of ISO date formats that don't have
// both date and time.
if (!date_has_time($granularity) || !date_has_date($granularity)) {
$format = str_replace('\\T', ' ', $format);
$format = str_replace('T', ' ', $format);
}
$regex = array();
if (!date_has_time($granularity)) {
$regex[] = '((?<!\\\\)[a|A])';
}
// Create regular expressions to remove selected values from string.
// Use (?<!\\\\) to keep escaped letters from being removed.
foreach (date_nongranularity($granularity) as $element) {
switch ($element) {
case 'year':
$regex[] = '([\\-/\\.,:]?\\s?(?<!\\\\)[Yy])';
break;
case 'day':
$regex[] = '([\\-/\\.,:]?\\s?(?<!\\\\)[l|D|d|dS|j|jS]{1,2})';
break;
case 'month':
$regex[] = '([\\-/\\.,:]?\\s?(?<!\\\\)[FMmn])';
break;
case 'hour':
$regex[] = '([\\-/\\.,:]?\\s?(?<!\\\\)[HhGg])';
break;
case 'minute':
$regex[] = '([\\-/\\.,:]?\\s?(?<!\\\\)[i])';
break;
case 'second':
$regex[] = '([\\-/\\.,:]?\\s?(?<!\\\\)[s])';
break;
case 'timezone':
$regex[] = '([\\-/\\.,:]?\\s?(?<!\\\\)[TOZPe])';
break;
}
}
// Remove empty parentheses, brackets, pipes.
$regex[] = '(\\(\\))';
$regex[] = '(\\[\\])';
$regex[] = '(\\|\\|)';
// Remove selected values from string.
$format = trim(preg_replace($regex, array(), $format));
// Remove orphaned punctuation at the beginning of the string.
$format = preg_replace('`^([\\-/\\.,:\'])`', '', $format);
// Remove orphaned punctuation at the end of the string.
$format = preg_replace('([\\-/\\.,:\']$)', '', $format);
$format = preg_replace('(\\$)', '', $format);
// Trim any whitespace from the result.
$format = trim($format);
// After removing the non-desired parts of the format, test if the only
// things left are escaped, non-date, characters. If so, return nothing.
if (!($test = trim(preg_replace('(\\\\\\w{1})', '', $format)))) {
return '';
}
return $format;
}