function mathjax_page_alter in MathJax: LaTeX for Drupal 7.2

Implements hook_page_alter().

File

./mathjax.module, line 87

MathJax module.

Code

function mathjax_page_alter(&$page) {
  $module_path = drupal_get_path('module', 'mathjax');
  if (variable_get('mathjax_config_type', 0) == 0) {
    $config_string = mathjax_default('config string');
  }
  else {
    $config_string = variable_get('mathjax_config_string', mathjax_default('config string'));
  }

  // Load Mathjax.
  $config = array(
    '#type' => 'markup',
    '#markup' => '<script type="text/x-mathjax-config">' . $config_string . '</script>',
  );
  $page['content']['#attached']['drupal_add_html_head'] = array(
    array(
      $config,
      'mathjax-config',
    ),
  );
  $page['content']['#attached']['js'][$module_path . '/mathjax.js'] = array(
    'every_page' => TRUE,
  );
  if (variable_get('mathjax_use_cdn', TRUE)) {
    $cdn_url = variable_get('mathjax_cdn_url', mathjax_default('cdn url'));
    $page['content']['#attached']['js'][$cdn_url] = array(
      'type' => 'external',
    );
  }
  else {
    if (function_exists('libraries_get_path')) {
      $library_path = libraries_get_path('mathjax', TRUE) . '/MathJax.js?config=TeX-AMS-MML_HTMLorMML';
      $page['content']['#attached']['js'][$library_path] = array(
        'type' => 'external',
      );
    }
  }
}