<?php

/**
 * Override of theme_breadcrumb().
 */

function mpiwg_breadcrumb($variables) {
  $breadcrumb = $variables['breadcrumb'];

  if (!empty($breadcrumb)) {
    // Provide a navigational heading to give context for breadcrumb links to
    // screen-reader users. Make the heading invisible with .element-invisible.
    $output = '<h2 class="element-invisible">' . t('You are here') . '</h2>';

    $output .= '<div class="breadcrumb">' . implode(' › ', $breadcrumb) . '</div>';
    return $output;
  }
}

/**
 * Override or insert variables into the maintenance page template.
 */
function mpiwg_preprocess_maintenance_page(&$vars) {
  // While markup for normal pages is split into page.tpl.php and html.tpl.php,
  // the markup for the maintenance page is all in the single
  // maintenance-page.tpl.php template. So, to have what's done in
  // mpiwg_preprocess_html() also happen on the maintenance page, it has to be
  // called here.
  mpiwg_preprocess_html($vars);
}

/**
 * Override or insert variables into the html template.
 */
function mpiwg_preprocess_html(&$vars) {
  // Toggle fixed or fluid width.
  if (theme_get_setting('mpiwg_width') == 'fluid') {
    $vars['classes_array'][] = 'fluid-width';
  }
  // Add conditional CSS for IE6.
  drupal_add_css(path_to_theme() . '/fix-ie.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'lt IE 7', '!IE' => FALSE), 'preprocess' => FALSE));
}

/**
 * Override or insert variables into the html template.
 */
function mpiwg_process_html(&$vars) {
  // Hook into color.module
  if (module_exists('color')) {
    _color_html_alter($vars);
  }
}

/**
 * Override or insert variables into the page template.
 */
function mpiwg_preprocess_page(&$vars) {
  // Move secondary tabs into a separate variable.


  $vars['MPIWGlogo'] = base_path() . path_to_theme() . '/logo.png';
  $vars['tabs2'] = array(
    '#theme' => 'menu_local_tasks',
    '#secondary' => $vars['tabs']['#secondary'],
  );
  unset($vars['tabs']['#secondary']);

  if (isset($vars['main_menu'])) {
    /* $vars['primary_nav'] = theme('mpiwg_links__system__main_menu', array(
      'links' => $vars['main_menu'],
      'attributes' => array(
        'class' => array('links', 'inline', 'main-menu'),
      ),
      'heading' => array(
        'text' => t('Main menu'),
        'level' => 'h2',
        'class' => array('element-invisible'),
      )
    ));*/
    $vars['primary_nav'] = mpiwg_links__system__main_menu($vars['main_menu']);

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

  // Prepare header.
  $site_fields = array();
  if (!empty($vars['site_name'])) {
    $site_fields[] = $vars['site_name'];
  }
  if (!empty($vars['site_slogan'])) {
    $site_fields[] = $vars['site_slogan'];
  }
  $vars['site_title'] = implode(' ', $site_fields);
  if (!empty($site_fields)) {
    $site_fields[0] = '<span>' . $site_fields[0] . '</span>';
  }
  $vars['site_html'] = implode(' ', $site_fields);

  // Set a variable for the site name title and logo alt attributes text.
  $slogan_text = $vars['site_slogan'];
  $site_name_text = $vars['site_name'];
  $vars['site_name_and_slogan'] = $site_name_text . ' ' . $slogan_text;
}

/**
 * Override or insert variables into the node template.
 */
function mpiwg_preprocess_node(&$vars) {
  $vars['submitted'] = $vars['date'] . ' — ' . $vars['name'];
}

/**
 * Override or insert variables into the comment template.
 */
function mpiwg_preprocess_comment(&$vars) {
  $vars['submitted'] = $vars['created'] . ' — ' . $vars['author'];
}

/**
 * Override or insert variables into the block template.
 */
function mpiwg_preprocess_block(&$vars) {
  $vars['title_attributes_array']['class'][] = 'title';
  //$vars['classes_array'][] = 'clearfix';
  $vars['classes_array']= array('MPIWGDEV_block','sideblock');
}

/**
 * Override or insert variables into the page template.
 */
function mpiwg_process_page(&$vars) {
  // Hook into color.module
  if (module_exists('color')) {
    _color_page_alter($vars);
  }
}

/**
 * Override or insert variables into the region template.
 */
function mpiwg_preprocess_region(&$vars) {
  if ($vars['region'] == 'header') {
    $vars['classes_array'][] = 'clearfix';
  }
}

function mpiwg_links__system__main_menu($variables) {
  $html = "  <ul>\n";

  #$tree = menu_tree_all_data('main_menu',$variables['links']);

  foreach ($variables as $link) {
    $path=$link['href'];
 if (($path == $_GET['q'] ||
      ($path == '<front>' && drupal_is_front_page())) && (empty($options['language']) )) {
 $html .= '<li class="sec on">'.l($link['title'], $link['href'], $link)."</li>";
  }else{

    $html .= '<li  class="sec" >'.l($link['title'], $link['href'], $link)."</li>";
  }
  }

  global $user;

  // soll login im hauptmenu angezeigt werden?
  if (theme_get_setting('mpiwg_login_in_main_menu')){
  if (!$user->uid) {

    $html .='<li  class="sec" >'.l(t("Login"), 'user')."</li>";
  } elseif ($user->name=='ip_login'){
    $html .='<li  class="sec" >'.l(t("Login"), 'user/logout')."</li>";
  } else
   {
    $html .='<li  class="sec" >'.l(t("Logout").'('.$user->name . ')', 'user/logout')."</li>";
  }
  }
  $html .= "  </ul>\n";


  return $html;
}



function mpiwg_menu_tree($variables) {
  return '<div class="subnav"> <ul class="menu">' . $variables['tree'] . '</ul></div>';
}
function mpiwg_menu_link  ($variables){


  $element = $variables['element'];
  $sub_menu = '';

  if ($element['#below']) {
    $sub_menu = drupal_render($element['#below']);

  }

  $attrs="";

  if (isset( $element['#localized_options']['attributes']['class'][0])){
    $attrs = $element['#localized_options']['attributes']['class'][0];
  }

  $output ='<div class="level ' . $attrs .'">' . l($element['#title'], $element['#href'], $element['#localized_options']) . '</div>';

  $active=false;
  foreach ($element['#attributes']['class'] as $attr){
    if ($attr == "active"){
      $active=true;
  }
  }

  if ($active) {
    array_push($element['#attributes']['class'],'sn_on');
  } else {
    array_push($element['#attributes']['class'],'sn_off');
  }

  return '<li' . drupal_attributes($element['#attributes']) . '>' . $output   . $sub_menu . "</li>\n";
}

function mpiwg_block_view_locale_language_alter(&$vars,$block){

  $vars['content']='<div class="subnav">'.$vars['content'].'</div>';
}