<?php /* $Id: template.php,v 1.2.2.3 2008/04/27 14:36:50 melon Exp $

  Ubiquity Drupal theme
  constructed by Attila Beregszászi (http://templates.m42.hu/)

*/

/*  Regions  */
function ubiquity_regions() {
  return array(
       'left' => t('left sidebar'),
       'right' => t('right sidebar'),
       'content_top' => t('content top'),
       'content_bottom' => t('content bottom'),
       'header' => t('header'),
       'footer' => t('footer')
  );
} 


/*  Breadcrumb override  */
 function ubiquity_breadcrumb($breadcrumb) {
   if (!empty($breadcrumb)) {
     return '<div class="breadcrumb">'. implode(' &raquo ', $breadcrumb) .'</div>';
   }
 }
 
 
/*  Template variables  */
function _phptemplate_variables($hook, $vars = array()) {
  switch ($hook) {
    case 'page':
      
      // secondary tabs
      if ($secondary = menu_secondary_local_tasks()) {
        $output .= "<ul class=\"tabs secondary\">\n". $secondary ."</ul>\n";
        $vars['tabs2'] = $output;
      }
      
      // current logged-in user
      global $user;
      if ($user->uid > 0) {
        $vars['logged_in'] = TRUE;
      }
      else {
        $vars['logged_in'] = FALSE;
      }
      
      // classes for body element
      $body_classes = array();
      $body_classes[] = ($vars['is_front']) ? 'front' : 'not-front';
      $body_classes[] = ($vars['logged_in']) ? 'logged-in' : 'not-logged-in';
      if ($vars['node']->type) {
        $body_classes[] = 'ntype-'. ubiquity_id_safe($vars['node']->type);
      }
      $body_classes[] = ($vars['secondary_links']) ? 'withsecondary' : '';
      switch (TRUE) {
      	case $vars['sidebar_left'] && $vars['sidebar_right'] :
      		$body_classes[] = 'both-sidebars';
      		break;
      	case $vars['sidebar_left'] :
      		$body_classes[] = 'sidebar-left';
      		break;
      	case $vars['sidebar_right'] :
      		$body_classes[] = 'sidebar-right';
      		break;
      }
      // implode with spaces
      $vars['body_classes'] = implode(' ', $body_classes);
      
      // Page title integration
      if (module_exists('page_title')) {
        $vars['head_title'] = page_title_page_get_title();
      }
      
      break;
      
    case 'node':
      // get the currently logged in user
      global $user;

      $node_classes = array('node');
      if ($vars['sticky']) {
      	$node_classes[] = 'sticky';
      }
      if (!$vars['node']->status) {
      	$node_classes[] = 'node-unpublished';
      }
      $node_classes[] = 'ntype-'. ubiquity_id_safe($vars['node']->type);
      // implode with spaces
      $vars['node_classes'] = implode(' ', $node_classes);
      
      break;
      
    case 'comment':
      // we load the node object that the current comment is attached to
      $node = node_load($vars['comment']->nid);
      // if the author of this comment is equal to the author of the node, we set a variable
      // then in our theme we can theme this comment differently to stand out
      $vars['author_comment'] = $vars['comment']->uid == $node->uid ? TRUE : FALSE;
      break;
  }
  
  return $vars;
}


/*  Converts a string to a suitable html ID attribute.  */
function ubiquity_id_safe($string) {
  if (is_numeric($string{0})) {
    // if the first character is numeric, add 'n' in front
    $string = 'n'. $string;
  }
  return strtolower(preg_replace('/[^a-zA-Z0-9-]+/', '-', $string));
}


/*  Menu local task rendering  */
function ubiquity_menu_local_tasks() {
  $output = '';

  if ($primary = menu_primary_local_tasks()) {
    $output .= "<ul class=\"tabs primary\">\n". $primary ."</ul>\n";
  }

  return $output;
}

/*  ugly hack for generating menu items suitable for sliding doors technique  */
function ubiquity_menu_item_link($item, $link_item) {
    return l("<span>".$item['title']."</span>", $link_item['path'], !empty($item['description']) ? array('title' => $item['description']) : array(), isset($item['query']) ? $item['query'] : NULL, isset($item['fragment']) ? $item['fragment'] : NULL, FALSE, TRUE);
} 

/*  Add active class to current menu item links.  */
function ubiquity_menu_item($mid, $children = '', $leaf = TRUE) {
  $item = menu_get_item($mid); // get current menu item

  if ((drupal_get_normal_path($item['path']) == $_GET['q']) || (drupal_is_front_page() && $item['path'] == '<front>')) {
    $active_class = ' active';
  } else {
    $active_class = '';
  }
  return '<li class="'. ($leaf ? 'leaf' : ($children ? 'expanded' : 'collapsed')) . $active_class .'">'. menu_item_link($mid) . $children ."</li>\n";
}

/*  override theme_comment_wrapper to disable #comments div when there are no comments.  */
function ubiquity_comment_wrapper($content) {
  if ($content == '') {
    return '';
  }
  return theme_comment_wrapper($content);
}

/*  Limit pager to 5 items  */
function ubiquity_pager_list($limit, $element = 0, $quantity = 5, $text = '', $parameters = array()) {
  $quantity = min($quantity, 5);
  return theme_pager_list($limit, $element, $quantity, $text, $parameters);
}

/*  Custom maintenance page  */
function ubiquity_maintenance_page($content, $messages = TRUE, $partial = FALSE) {
  return _phptemplate_callback('page-maintenance', array('content' => $content, 'messages' => $messages, 'partial' => $partial, 'logo' => $logo));
}

/*  User login block  */
function ubiquity_user_login_block($form) {
  $form['name']['#size'] = '8';
  $form['pass']['#size'] = '8';
  return _phptemplate_callback('user-login-block', array('form' => $form));
}

/*  Simplenews block float hack  */
function ubiquity_simplenews_block($block) {
  $output = theme_simplenews_block($block);
  $output .= '<div class="clear zero"></div>';
  return $output;
}