<?php

/**

 * Override or insert variables into the maintenance page template.

 */

function seven_preprocess_maintenance_page(&$vars) {

  // While markup for normal pages is split into page.tpl.php and html.tpl.php,

  // the markup for the maintenance page is all in the single

  // maintenance-page.tpl.php template. So, to have what's done in

  // seven_preprocess_html() also happen on the maintenance page, it has to be

  // called here.

  seven_preprocess_html($vars);

}

/**

 * Override or insert variables into the html template.

 */

function seven_preprocess_html(&$vars) {

  // Add conditional CSS for IE8 and below.

  drupal_add_css(path_to_theme() . '/ie.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 8', '!IE' => FALSE), 'weight' => 999, 'preprocess' => FALSE));

  // Add conditional CSS for IE7 and below.

  drupal_add_css(path_to_theme() . '/ie7.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 7', '!IE' => FALSE), 'weight' => 999, 'preprocess' => FALSE));

  // Add conditional CSS for IE6.

  drupal_add_css(path_to_theme() . '/ie6.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'lte IE 6', '!IE' => FALSE), 'weight' => 999, 'preprocess' => FALSE));

}

/**

 * Override or insert variables into the page template.

 */

function seven_preprocess_page(&$vars) {

  $vars['primary_local_tasks'] = $vars['tabs'];

  unset($vars['primary_local_tasks']['#secondary']);

  $vars['secondary_local_tasks'] = array(

    '#theme' => 'menu_local_tasks',

    '#secondary' => $vars['tabs']['#secondary'],

  );

}

/**

 * Display the list of available node types for node creation.

 */

function seven_node_add_list($variables) {

  $content = $variables['content'];

  $output = '';

  if ($content) {

    $output = '<ul class="admin-list">';

    foreach ($content as $item) {

      $output .= '<li class="clearfix">';

      $output .= '<span class="label">' . l($item['title'], $item['href'], $item['localized_options']) . '</span>';

      $output .= '<div class="description">' . filter_xss_admin($item['description']) . '</div>';

      $output .= '</li>';

    }

    $output .= '</ul>';

  }

  else {

    $output = '<p>' . t('You have not created any content types yet. Go to the <a href="@create-content">content type creation page</a> to add a new content type.', array('@create-content' => url('admin/structure/types/add'))) . '</p>';

  }

  return $output;

}

/**

 * Overrides theme_admin_block_content().

 *

 * Use unordered list markup in both compact and extended mode.

 */

function seven_admin_block_content($variables) {

  $content = $variables['content'];

  $output = '';

  if (!empty($content)) {

    $output = system_admin_compact_mode() ? '<ul class="admin-list compact">' : '<ul class="admin-list">';

    foreach ($content as $item) {

      $output .= '<li class="leaf">';

      $output .= l($item['title'], $item['href'], $item['localized_options']);

      if (isset($item['description']) && !system_admin_compact_mode()) {

        $output .= '<div class="description">' . filter_xss_admin($item['description']) . '</div>';

      }

      $output .= '</li>';

    }

    $output .= '</ul>';

  }

  return $output;

}

/**

 * Override of theme_tablesort_indicator().

 *

 * Use our own image versions, so they show up as black and not gray on gray.

 */

function seven_tablesort_indicator($variables) {

  $style = $variables['style'];

  $theme_path = drupal_get_path('theme', 'seven');

  if ($style == 'asc') {

    return theme('image', array('path' => $theme_path . '/images/arrow-asc.png', 'alt' => t('sort ascending'), 'width' => 13, 'height' => 13, 'title' => t('sort ascending')));

  }

  else {

    return theme('image', array('path' => $theme_path . '/images/arrow-desc.png', 'alt' => t('sort descending'), 'width' => 13, 'height' => 13, 'title' => t('sort descending')));

  }

}

/**

 * Implements hook_css_alter().

 */

function seven_css_alter(&$css) {

  // Use Seven's vertical tabs style instead of the default one.

  if (isset($css['misc/vertical-tabs.css'])) {

    $css['misc/vertical-tabs.css']['data'] = drupal_get_path('theme', 'seven') . '/vertical-tabs.css';

    $css['misc/vertical-tabs.css']['type'] = 'file';

  }

  if (isset($css['misc/vertical-tabs-rtl.css'])) {

    $css['misc/vertical-tabs-rtl.css']['data'] = drupal_get_path('theme', 'seven') . '/vertical-tabs-rtl.css';

    $css['misc/vertical-tabs-rtl.css']['type'] = 'file';

  }

  // Use Seven's jQuery UI theme style instead of the default one.

  if (isset($css['misc/ui/jquery.ui.theme.css'])) {

    $css['misc/ui/jquery.ui.theme.css']['data'] = drupal_get_path('theme', 'seven') . '/jquery.ui.theme.css';

    $css['misc/ui/jquery.ui.theme.css']['type'] = 'file';

  }

}