<?php

/**

 * Add body classes if certain regions have content.

 */

function bartik_preprocess_html(&$variables) {

  if (!empty($variables['page']['featured'])) {

    $variables['classes_array'][] = 'featured';

  }

  if (!empty($variables['page']['triptych_first'])

    || !empty($variables['page']['triptych_middle'])

    || !empty($variables['page']['triptych_last'])) {

    $variables['classes_array'][] = 'triptych';

  }

  if (!empty($variables['page']['footer_firstcolumn'])

    || !empty($variables['page']['footer_secondcolumn'])

    || !empty($variables['page']['footer_thirdcolumn'])

    || !empty($variables['page']['footer_fourthcolumn'])) {

    $variables['classes_array'][] = 'footer-columns';

  }

  // Add conditional stylesheets for IE

  drupal_add_css(path_to_theme() . '/css/ie.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 7', '!IE' => FALSE), 'preprocess' => FALSE));

  drupal_add_css(path_to_theme() . '/css/ie6.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'IE 6', '!IE' => FALSE), 'preprocess' => FALSE));

}

/**

 * Override or insert variables into the page template for HTML output.

 */

function bartik_process_html(&$variables) {

  // Hook into color.module.

  if (module_exists('color')) {

    _color_html_alter($variables);

  }

}

/**

 * Override or insert variables into the page template.

 */

function bartik_process_page(&$variables) {

  // Hook into color.module.

  if (module_exists('color')) {

    _color_page_alter($variables);

  }

  // Always print the site name and slogan, but if they are toggled off, we'll

  // just hide them visually.

  $variables['hide_site_name']   = theme_get_setting('toggle_name') ? FALSE : TRUE;

  $variables['hide_site_slogan'] = theme_get_setting('toggle_slogan') ? FALSE : TRUE;

  if ($variables['hide_site_name']) {

    // If toggle_name is FALSE, the site_name will be empty, so we rebuild it.

    $variables['site_name'] = filter_xss_admin(variable_get('site_name', 'Drupal'));

  }

  if ($variables['hide_site_slogan']) {

    // If toggle_site_slogan is FALSE, the site_slogan will be empty, so we rebuild it.

    $variables['site_slogan'] = filter_xss_admin(variable_get('site_slogan', ''));

  }

  // Since the title and the shortcut link are both block level elements,

  // positioning them next to each other is much simpler with a wrapper div.

  if (!empty($variables['title_suffix']['add_or_remove_shortcut']) && $variables['title']) {

    // Add a wrapper div using the title_prefix and title_suffix render elements.

    $variables['title_prefix']['shortcut_wrapper'] = array(

      '#markup' => '<div class="shortcut-wrapper clearfix">',

      '#weight' => 100,

    );

    $variables['title_suffix']['shortcut_wrapper'] = array(

      '#markup' => '</div>',

      '#weight' => -99,

    );

    // Make sure the shortcut link is the first item in title_suffix.

    $variables['title_suffix']['add_or_remove_shortcut']['#weight'] = -100;

  }

}

/**

 * Implements hook_preprocess_maintenance_page().

 */

function bartik_preprocess_maintenance_page(&$variables) {

  // By default, site_name is set to Drupal if no db connection is available

  // or during site installation. Setting site_name to an empty string makes

  // the site and update pages look cleaner.

  // @see template_preprocess_maintenance_page

  if (!$variables['db_is_active']) {

    $variables['site_name'] = '';

  }

  drupal_add_css(drupal_get_path('theme', 'bartik') . '/css/maintenance-page.css');

}

/**

 * Override or insert variables into the maintenance page template.

 */

function bartik_process_maintenance_page(&$variables) {

  // Always print the site name and slogan, but if they are toggled off, we'll

  // just hide them visually.

  $variables['hide_site_name']   = theme_get_setting('toggle_name') ? FALSE : TRUE;

  $variables['hide_site_slogan'] = theme_get_setting('toggle_slogan') ? FALSE : TRUE;

  if ($variables['hide_site_name']) {

    // If toggle_name is FALSE, the site_name will be empty, so we rebuild it.

    $variables['site_name'] = filter_xss_admin(variable_get('site_name', 'Drupal'));

  }

  if ($variables['hide_site_slogan']) {

    // If toggle_site_slogan is FALSE, the site_slogan will be empty, so we rebuild it.

    $variables['site_slogan'] = filter_xss_admin(variable_get('site_slogan', ''));

  }

}

/**

 * Override or insert variables into the node template.

 */

function bartik_preprocess_node(&$variables) {

  if ($variables['view_mode'] == 'full' && node_is_page($variables['node'])) {

    $variables['classes_array'][] = 'node-full';

  }

}

/**

 * Override or insert variables into the block template.

 */

function bartik_preprocess_block(&$variables) {

  // In the header region visually hide block titles.

  if ($variables['block']->region == 'header') {

    $variables['title_attributes_array']['class'][] = 'element-invisible';

  }

}

/**

 * Implements theme_menu_tree().

 */

function bartik_menu_tree($variables) {

  return '<ul class="menu clearfix">' . $variables['tree'] . '</ul>';

}

/**

 * Implements theme_field__field_type().

 */

function bartik_field__taxonomy_term_reference($variables) {

  $output = '';

  // Render the label, if it's not hidden.

  if (!$variables['label_hidden']) {

    $output .= '<h3 class="field-label">' . $variables['label'] . ': </h3>';

  }

  // Render the items.

  $output .= ($variables['element']['#label_display'] == 'inline') ? '<ul class="links inline">' : '<ul class="links">';

  foreach ($variables['items'] as $delta => $item) {

    $output .= '<li class="taxonomy-term-reference-' . $delta . '"' . $variables['item_attributes'][$delta] . '>' . drupal_render($item) . '</li>';

  }

  $output .= '</ul>';

  // Render the top-level DIV.

  $output = '<div class="' . $variables['classes'] . (!in_array('clearfix', $variables['classes_array']) ? ' clearfix' : '') . '"' . $variables['attributes'] .'>' . $output . '</div>';

  return $output;

}