function _collapse_text_replace_callback in Collapse Text 6

Same name and namespace in other branches

1. 5 collapse_text.module \_collapse_text_replace_callback()

1 string reference to '_collapse_text_replace_callback'

collapse_text_process_recurs in ./collapse_text.module

Provides a layer of encapsulation for the regex call.

File

./collapse_text.module, line 127

collapse_text is an input filter that allows text to be collapsible

Code

function _collapse_text_replace_callback($matches) {
  global $base_url;

  // 2008-12-15 REMorse (no issue number) added space to make
  // $collapsed work
  $collapsed = $matches[1] == ' collapsed';
  $style = trim($matches[2]);
  $title = trim($matches[3]);
  $interior = $matches[4];
  if (empty($title)) {

    // If a title is not supplied, look for a header (<h1>, <h2> ...)
    // and use it as the title.
    $h_matches = array();
    preg_match('/(<h\\d[^>]*>(.+?)<\\/h\\d>)/smi', $interior, $h_matches);
    $title = strip_tags($h_matches[2]);

    // If we get the title from the first header tag,
    // then we should remove the header tag so it's not repeated
    if (!empty($title)) {
      $replacement = "";
      $occ = 1;
      $interior = str_replace($h_matches[0], $replacement, $interior, $occ);
    }
  }
  if (empty($title)) {

    // If there is still no title, provide some default text.
    // Added call to t() per #256176 yngens
    $title = t('Use the arrow to expand or collapse this section');
  }
  $form = array(
    '#prefix' => '<form action="' . $base_url . '/">',
    '#suffix' => '</form>',
    '#theme' => 'collapse_text_fieldset',
  );
  $form['fieldset'] = array(
    '#type' => 'fieldset',
    '#title' => $title,
    '#collapsible' => true,
    '#collapsed' => $collapsed,
  );
  if (!empty($style)) {
    $form['fieldset']['#attributes'] = array(
      'class' => collapse_text_id_safe($style),
    );
  }
  $form['fieldset']['text_contents'] = array(
    '#type' => 'markup',
    '#prefix' => '<div class="collapse-text">',
    '#value' => collapse_text_process_recurs($interior),
    '#suffix' => '</div>',
  );
  return drupal_render($form);
}