materio-base-d7/sites/all/modules/gui/materiobasemod/materio_page_title.module

<?php	

/**
 * Implements hook_permission().
 */
function materio_page_title_permission() {
  $perms = array();
  $entity_infos = entity_get_info();
  foreach ($entity_infos['node']['bundles'] as $bundle => $value) {
    $perms['show '.$bundle.' title'] = array(
      'title' => t('Show !bundle node title.', array('!bundle'=>$value['label'])),
    );
  }
  return $perms;
}

/**
 * Implements hook_field_access().
 */
function materio_page_title_field_access($op, $field, $entity_type, $entity, $account) {
  if($field['field_name'] == 'title_field' && $entity_type == 'node' && isset($entity->type)){
    return user_access('show '.$entity->type.' title');
  }
  return TRUE;
}

function materio_page_title_preprocess_html(&$vars){
  // dsm($vars, '$vars');

  // if (arg(0) == 'node' && $node = node_load(arg(1))) {

  //   if(!user_access('show '.$node->type.' title')){
  //     if($node->type == "materiau"){
  //       $title = field_get_items('node', $node, 'field_nature_titre');
  //       $vars['head_title_array']['title'] = $title[0]['safe_value'];
  //     }else{
  //       $vars['head_title_array']['title'] = 'restricted access';
  //     }

  //     $vars['head_title'] = implode(' | ', $vars['head_title_array']);

  //     // dsm($vars, 'vars');
  //   }
  // }

  $vars['head_title_array']['title'] = materio_page_title_get_title();
  $vars['head_title'] = implode(' | ', $vars['head_title_array']);
  $vars['head_array']['title'] = $vars['head_title'];
  
}



/**
 * Implements hook_block_info().
 */
function materio_page_title_block_info() {
  // This example comes from node.module.
  /*
   *$blocks['syndicate'] = array(
   *  'info' => t('Syndicate'),
   *  'cache' => DRUPAL_NO_CACHE
   *);
   */
  $blocks['materio_page_title'] = array(
    'info' => t('Materio page title'),
    'cache' => DRUPAL_NO_CACHE
  );

  return $blocks;
}

/**
 * Implements hook_block_view().
 */
function materio_page_title_block_view($delta = '') {
  $block = array();

  switch ($delta) {
    case 'materio_page_title':
      $block['subject'] = t('Page title');
      $block['content'] = theme('materio_page_title', array('title' => materio_page_title_get_title()));
      drupal_add_js(drupal_get_path('module', 'materio_page_title').'/js/materio_page_title.min.js');
      break;
  }
  return $block;
}


/**
 * Implements hook_theme().
 */
function materio_page_title_theme($existing, $type, $theme, $path) {
  return array(
    'materio_page_title' => array(
      'variables' => array('title' => NULL,),
    ),
  );
}

function theme_materio_page_title($vars){
	if($vars['title'])
		return '<h1 id="materio-page-title" class="page-title">'.$vars['title'].'</h1>';

	return;
}

/**
 * Implements hook_menu().
 */
// function materio_page_title_menu() {
//   $items = array();

//   $base = array(
//     'type' => MENU_CALLBACK,
//     'file' => 'materio_page_title.pages.inc',
//   );

//   $items['materio_page_title/refresh/block'] = $base+array(
//     'title' => 'Materio page title refresh block',
//     'page callback' => 'materio_page_title_refresh_block',
//     'page arguments' => array(),
//     'access callback' => TRUE,
//   );

//   return $items;
// }


/** 
* HELPERS 
* */

function materio_page_title_get_title(){

  if (arg(0) == 'node' && $node = node_load(arg(1))) {
    if(!user_access('show '.$node->type.' title')){
      if($node->type == "materiau"){
        $title = field_get_items('node', $node, 'field_nature_titre');
        return $title[0]['safe_value'];
      }else{
        return 'restricted access';
      }
    }
  }
  
  return drupal_get_title();
}