function lineage_handler_field::render in Taxonomy Lineage 7

Same name and namespace in other branches

1. 6 lineage_handler_field.inc \lineage_handler_field::render()

Render the field.

Overrides views_handler_field::render

File

handlers/lineage_handler_field.inc, line 82

Views field plugin for lineage's field handler.

Class

lineage_handler_field

Field handler for Taxonomy: Hierarchy.

Code

function render($values) {
  $options = $this->options ? $this->options : array();
  if ($options['lineage']) {
    extract($options['lineage']);
  }
  $lineage_string = $values->{$this->field_alias};
  if ($lineage_string == '') {
    return '';
  }

  // Split hierarchy string into hierarchical path pieces.
  // Term entries are separated by \n; trim so we don't add empty pieces.
  $term_strings = explode("\n", trim($lineage_string));

  // Compose the rendered hierarchy according to handler form options.
  if ($strip_weights) {
    $term_strings = array_map("lineage_strip_weight", $term_strings);
  }
  if ($machine_safe) {

    // Replace non-alphanumeric characters with a hyphen.
    $non_alphanumeric = '/[^a-zA-Z0-9]+/ ';
    $term_strings = preg_replace($non_alphanumeric, '-', $term_strings);
  }
  if ($prefix || $suffix) {
    foreach ($term_strings as $key => $term_string) {
      $term_string = $prefix . $term_string . $suffix;
      $term_strings[$key] = $term_string;
    }
  }

  // The user may enter "\n" for a linebreak delimiter;
  // replace with actual linebreak character.
  $delimiter = str_replace("\\n", "\n", $delimiter);
  $rendered = implode($delimiter, $term_strings);

  // Be sure to validate and sanitize markup since we allow HTML.
  return filter_xss_admin($rendered);
}