googleanalytics.admin.inc

<?php
// $Id$

/**
 * @file
 * Administrative page callbacks for the googleanalytics module.
 */

/**
 * Implementation of hook_admin_settings() for configuring the module
 */
function googleanalytics_admin_settings_form(&$form_state) {
  $form['account'] = array(
    '#type' => 'fieldset',
    '#title' => t('General settings'),
    '#collapsible' => FALSE,
  );

  $form['account']['googleanalytics_account'] = array(
    '#type' => 'textfield',
    '#title' => t('Google Analytics account number'),
    '#default_value' => variable_get('googleanalytics_account', 'UA-'),
    '#size' => 15,
    '#maxlength' => 20,
    '#required' => TRUE,
    '#description' => t('The user account number (UA-xxxxxx-x) is unique to the websites domain. You can obtain a user account from the <a href="@url">Google Analytics</a> website.', array('@url' => 'http://www.google.com/analytics/')),
  );

  // Standard tracking configurations.
  $form['user_vis_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('User specific tracking settings'),
    '#collapsible' => TRUE,
  );
  $form['user_vis_settings']['googleanalytics_custom'] = array(
    '#type' => 'radios',
    '#title' => t('Custom tracking settings'),
    '#options' => array(
      t('Users cannot control whether or not they add tracking.'),
      t('Add tracking by default, but let individual users hide it.'),
      t('Hide tracking by default, but let individual users add it.')
    ),
    '#description' => t('Allow individual users to customize the visibility of tracking in their account settings.'),
    '#default_value' => variable_get('googleanalytics_custom', 0),
  );

  // Render the role overview.
  $form['role_vis_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Role specific tracking settings'),
    '#collapsible' => TRUE,
  );

  $roles = user_roles();
  $role_options = array();
  foreach ($roles as $rid => $name) {
    $role_options[$rid] = $name;
  }
  $form['role_vis_settings']['googleanalytics_roles'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Add tracking for specific roles'),
    '#default_value' => variable_get('googleanalytics_roles', array()),
    '#options' => $role_options,
    '#description' => t('Add tracking only for the selected role(s). If you select no roles, the tracking will be added to all users.'),
  );

  // Page specific visibility configurations.
  $form['page_vis_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Page specific tracking settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );

  $access = user_access('use PHP for tracking visibility');
  $visibility = variable_get('googleanalytics_visibility', 0);
  $pages = variable_get('googleanalytics_pages', '');

  if ($visibility == 2 && !$access) {
    $form['page_vis_settings'] = array();
    $form['page_vis_settings']['visibility'] = array('#type' => 'value', '#value' => 2);
    $form['page_vis_settings']['pages'] = array('#type' => 'value', '#value' => $pages);
  }
  else {
    $options = array(t('Add to every page except the listed pages.'), t('Add to the listed pages only.'));
    $description = t("Enter one page per line as Drupal paths. The '*' character is a wildcard. Example paths are %blog for the blog page and %blog-wildcard for every personal blog. %front is the front page.", array('%blog' => 'blog', '%blog-wildcard' => 'blog/*', '%front' => '<front>'));

    if ($access) {
      $options[] = t('Add if the following PHP code returns <code>TRUE</code> (PHP-mode, experts only).');
      $description .= ' '. t('If the PHP-mode is chosen, enter PHP code between %php. Note that executing incorrect PHP-code can break your Drupal site.', array('%php' => '<?php ?>'));
    }
    $form['page_vis_settings']['googleanalytics_visibility'] = array(
      '#type' => 'radios',
      '#title' => t('Add tracking to specific pages'),
      '#options' => $options,
      '#default_value' => $visibility,
    );
    $form['page_vis_settings']['googleanalytics_pages'] = array(
      '#type' => 'textarea',
      '#title' => t('Pages'),
      '#default_value' => $pages,
      '#description' => $description,
    );
  }

  $profile_enabled = module_exists('profile');
  $form['segmentation'] = array(
    '#type' => 'fieldset',
    '#title' => t('User segmentation settings'),
    '#collapsible' => TRUE,
  );

  // Compile a list of fields to show.
  $fields = array(
    'uid' => t('User identifier'),
    'name' => t('User name'),
    'roles' => t('User roles')
  );
  if ($profile_enabled) {
    $result = db_query('SELECT name, title, type, weight FROM {profile_fields} ORDER BY weight');
    while ($record = db_fetch_object($result)) {
      $fields[$record->name] = $record->title;
    }
  }

  $form['segmentation']['googleanalytics_segmentation'] = array(
    '#type' => 'select',
    '#title' => t('Track users based on'),
    '#description' => t('Segment users based on different properties, additionaly to the basic IP address based tracking provided by Google Analytics.') . (!$profile_enabled ? ' '. t('<a href="@module_list">Enable the profile module</a> to be able to use profile fields for more granular tracking.', array('@module_list' => url('admin/build/modules'))) : '') .' '. t('Selecting one or more values is supported. To select multiple items, hold down CTRL while selecting fields.'),
    '#default_value' => variable_get('googleanalytics_segmentation', ''),
    '#options' => $fields,
    '#size' => $profile_enabled ? 10 : 3,
    '#multiple' => TRUE
  );

  // Link specific configurations.
  $form['linktracking'] = array(
    '#type' => 'fieldset',
    '#title' => t('Link tracking settings'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );
  $form['linktracking']['googleanalytics_trackfiles'] = array(
    '#type' => 'checkbox',
    '#title' => t('Track links to files'),
    '#default_value' => variable_get('googleanalytics_trackfiles', TRUE),
    '#description' => t('Enables tracking of clicks on links to files based on the file extensions list below.')
  );
  $form['linktracking']['googleanalytics_trackfiles_extensions'] = array(
    '#type' => 'textfield',
    '#title' => t('File extensions to track'),
    '#default_value' => variable_get('googleanalytics_trackfiles_extensions', GA_TRACKFILES_EXTENSIONS),
    '#description' => t('A pipe separated list of file extensions that should be tracked when clicked with regular expression support. Example: !extensions', array('!extensions' => GA_TRACKFILES_EXTENSIONS))
  );

  // Advanced feature configurations.
  $form['advanced'] = array(
    '#type' => 'fieldset',
    '#title' => t('Advanced settings'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
  );

  $form['advanced']['googleanalytics_legacy_version'] = array(
    '#type' => 'radios',
    '#title' => t('Google Analytics version used'),
    '#default_value' => variable_get('googleanalytics_legacy_version', 0),
    '#options' => array(
      0 => t('Latest (ga.js) tracking code'),
      1 => t('Legacy (urchin.js) tracking code')
    ),
    '#description' => t('<a href="@ga_js_url">On December 13, 2007, Google rolled out a new API</a> for its tracking code, and suggests all new sites to use this code. You should only use the older legacy code, if you have custom tracking code tied to that API. Otherwise it is suggested you use the latest API, as the legacy code will not receive feature updates and is not compatible with new features.', array('@ga_js_url' => 'http://analytics.blogspot.com/2007/12/announcing-new-graphing-tools-gajs.html')),
  );

  $form['advanced']['googleanalytics_cache'] = array(
    '#type' => 'checkbox',
    '#title' => t('Cache tracking code file locally'),
    '#description' => t("If checked, the tracking code file is retrieved from Google Analytics and cached locally. It is updated daily from Google's servers to ensure updates to tracking code are reflected in the local copy. Do not activate this until after Google Analytics has confirmed your tracker!"),
    '#default_value' => variable_get('googleanalytics_cache', 0),
  );
  if (variable_get('file_downloads', FILE_DOWNLOADS_PUBLIC) == FILE_DOWNLOADS_PRIVATE) {
    $form['advanced']['googleanalytics_cache']['#disabled'] = TRUE;
    $form['advanced']['googleanalytics_cache']['#description'] .= ' '. t('<a href="!url">Public file transfers</a> must be enabled to allow local caching.', array('!url' => url('admin/settings/file-system', array('query' => drupal_get_destination()))));
  }

  $site_search_dependencies = '<div class="admin-dependencies">';
  $site_search_dependencies .= t('Depends on: !dependencies', array('!dependencies' => (module_exists('search') ? 'Search'. t(' (<span class="admin-enabled">enabled</span>)') : 'Search'. t(' (<span class="admin-disabled">disabled</span>)'))));
  $site_search_dependencies .= '</div>';

  // Google already have many translations, if not - they display a note to change the language.
  global $language;
  $form['advanced']['googleanalytics_site_search'] = array(
    '#type' => 'checkbox',
    '#title' => t('Track internal search'),
    '#description' => t('If checked, internal search keywords are tracked. You must configure your Google account to use the internal query parameter <em>search</em>. For more information see <a href="!url">How do I set up Site Search for my profile</a>.', array('!url' => 'http://www.google.com/support/analytics/bin/answer.py?hl='. $language->language .'&amp;answer=75817')) . $site_search_dependencies,
    '#default_value' => variable_get('googleanalytics_site_search', FALSE),
    '#disabled' => (module_exists('search') ? FALSE : TRUE),
  );

  $form['advanced']['googleanalytics_codesnippet'] = array(
    '#type' => 'textarea',
    '#title' => t('Custom JavaScript code'),
    '#default_value' => variable_get('googleanalytics_codesnippet', ''),
    '#rows' => 5,
    '#description' => t('You can add custom Google Analytics <a href="!snippets">code snippets</a> here. These will be added to every page that Google Analytics appears on. <strong>Do not include the &lt;script&gt; tags</strong>, and always end your code with a semicolon (;).', array('!snippets' => 'http://drupal.org/node/248699'))
  );

  $form['advanced']['googleanalytics_js_scope'] = array(
    '#type' => 'select',
    '#title' => t('JavaScript scope'),
    '#description' => t("<strong>Warning:</strong> Google recommends adding the external JavaScript files to footer for performance reasons."),
    '#options' => array(
      'footer' => t('Footer'),
      'header' => t('Header'),
    ),
    '#default_value' => variable_get('googleanalytics_js_scope', 'footer'),
  );

  return system_settings_form($form);
}

function googleanalytics_admin_settings_form_validate($form, &$form_state) {
  if (!preg_match('/^UA-\d{4,}-\d+$/', $form_state['values']['googleanalytics_account'])) {
    form_set_error('googleanalytics_account', t('A valid Google Analytics account number is case sensitive and formated like UA-xxxxxx-x.'));
  }

  // Trim pages variable.
  $form_state['values']['googleanalytics_pages'] = trim($form_state['values']['googleanalytics_pages']);
}