link_badges.module in Link Badges 7

Link Badges module file.

File

link_badges.module

<?php

/**
 * @file
 * Link Badges module file.
 */

/**
 * Implements of hook_preprocess_link().
 * @param array $variables
 */
function link_badges_preprocess_link(&$variables) {

  // Other modules can cause this to run more than once.
  // Check to see if we've already added a badge here.
  if (!empty($variables['options']['attributes']['class']) && is_array($variables['options']['attributes']['class']) && in_array('link-badge-wrapper', $variables['options']['attributes']['class'])) {
    return;
  }
  if (!empty($variables['options']['link_badge'])) {
    $badge_value = NULL;
    $badge_class = '';

    // First set any static value that is passed to the link.
    if (!empty($variables['options']['link_badge']['value'])) {
      $badge_value = $variables['options']['link_badge']['value'];
      $badge_class = '';
    }

    // Next check for a callback function, and allow that to
    // override a static value if both exist.
    if (!empty($variables['options']['link_badge']['callback']) && function_exists($variables['options']['link_badge']['callback'])) {
      $args = array(
        'path' => $variables['path'],
      );
      if (!empty($variables['options']['link_badge']['arguments'])) {
        $args += $variables['options']['link_badge']['arguments'];
      }
      $badge_value = call_user_func($variables['options']['link_badge']['callback'], $args);
      $badge_class = 'link-badge-' . $variables['options']['link_badge']['callback'];
    }
    if (!is_null($badge_value)) {
      drupal_add_css(drupal_get_path('module', 'link_badges') . '/link_badges.css');
      if (empty($variables['options']['html'])) {
        $variables['text'] = check_plain($variables['text']);
      }
      $variables['options']['html'] = TRUE;
      $variables['text'] = '<span class="link-badge-text">' . $variables['text'] . '</span>' . '<span class="link-badge-badge-wrapper"><span class="link-badge ' . $badge_class . '">' . $badge_value . '</span></span>';
      $variables['options']['attributes']['class'][] = 'link-badge-wrapper';
    }
  }
}

Functions

Name	Description
link_badges_preprocess_link	Implements of hook_preprocess_link().