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<?php
/**
 * Implements hook_html_head_alter().
 * This will overwrite the default meta character type tag with HTML5 version.
 */
function drupalspec_html_head_alter(&$head_elements) {
  $head_elements['system_meta_content_type']['#attributes'] = array(
    'charset' => 'utf-8'
  );
}

/**
 * Insert themed breadcrumb page navigation at top of the node content.
 */
function drupalspec_breadcrumb($variables) {
  $breadcrumb = $variables['breadcrumb'];
  if (!empty($breadcrumb)) {
    // Use CSS to hide titile .element-invisible.
    $output = '<h2 class="element-invisible">' . t('You are here') . '</h2>';
    // comment below line to hide current page to breadcrumb
	$breadcrumb[] = drupal_get_title();
    $output .= '<nav class="breadcrumb">' . implode(' » ', $breadcrumb) . '</nav>';
    return $output;
  }
}


/**
 * Override or insert variables into the page template.
 */
function drupalspec_preprocess_page(&$vars) {
	drupalspec_removetab('Shopping carts', $vars);

  if (isset($vars['main_menu'])) {
    $vars['main_menu'] = theme('links__system_main_menu', array(
      'links' => $vars['main_menu'],
      'attributes' => array(
        'class' => array('links', 'main-menu', 'clearfix'),
      ),
      'heading' => array(
        'text' => t('Main menu'),
        'level' => 'h2',
        'class' => array('element-invisible'),
      )
    ));
  }
  else {
    $vars['main_menu'] = FALSE;
  }
  if (isset($vars['secondary_menu'])) {
    $vars['secondary_menu'] = theme('links__system_secondary_menu', array(
      'links' => $vars['secondary_menu'],
      'attributes' => array(
        'class' => array('links', 'secondary-menu', 'clearfix'),
      ),
      'heading' => array(
        'text' => t('Secondary menu'),
        'level' => 'h2',
        'class' => array('element-invisible'),
      )
    ));
  }
  else {
    $vars['secondary_menu'] = FALSE;
  }
}

//удаляю табы
function drupalspec_removetab($label, &$vars) {

  // Remove from primary tabs
  $i = 0;
  if (is_array($vars['tabs']['#primary'])) {
    foreach ($vars['tabs']['#primary'] as $primary_tab) {
      if ($primary_tab['#link']['title'] == $label) {
        unset($vars['tabs']['#primary'][$i]);
      }
      ++$i;
    }
  }
}

/**
 * Duplicate of theme_menu_local_tasks() but adds clearfix to tabs.
 */
function drupalspec_menu_local_tasks(&$variables) {
  $output = '';

  if (!empty($variables['primary'])) {
    $variables['primary']['#prefix'] = '<h2 class="element-invisible">' . t('Primary tabs') . '</h2>';
    $variables['primary']['#prefix'] .= '<ul class="tabs primary clearfix">';
    $variables['primary']['#suffix'] = '</ul>';
    $output .= drupal_render($variables['primary']);
  }
  if (!empty($variables['secondary'])) {
    $variables['secondary']['#prefix'] = '<h2 class="element-invisible">' . t('Secondary tabs') . '</h2>';
    $variables['secondary']['#prefix'] .= '<ul class="tabs secondary clearfix">';
    $variables['secondary']['#suffix'] = '</ul>';
    $output .= drupal_render($variables['secondary']);
  }
  return $output;
}

/**
 * Override or insert variables into the node template.
 */
function drupalspec_preprocess_node(&$variables) {
  $node = $variables['node'];
  if ($variables['view_mode'] == 'full' && node_is_page($variables['node'])) {
    $variables['classes_array'][] = 'node-full';
  }
}

/**
 * Add javascript files for front-page jquery slideshow.
 */