<?php
// $Id$
class IslandoraBook
{
    function __construct($pid = '')
    {
        module_load_include('inc', 'fedora_repository', 'api/fedora_item');
        if (!empty($pid)) {
            $this->pid = $pid;
            $this->item = new Fedora_Item($pid);
        }
    }
    public function showFieldSets()
    {
        module_load_include('inc', 'fedora_repository', 'plugins/tagging_form');
        module_load_include('inc', 'fedora_repository', 'plugins/DarwinCore');
        module_load_include('module', 'islandora_book');
        global $base_url;
        $show_purge_tab = (!empty($_POST['form_id']) && ($_POST['form_id'] == 'islandora_book_purge_pages_form'));
        $first_page = new Fedora_Item($this->pid . '-0001');
        $hasPage = $first_page->exists();
        $tabset = array();
        global $user;
        $qs = '';
        if ($user->uid != 0) {
            $qs = '?uid=' . base64_encode($user->name . ':' . $user->pass);
        }
        $viewer_url = variable_get('fedora_base_url', '') . '/get/' . $this->pid . '/islandora:viewerSdef/getViewer' . $qs;
        $html = '<iframe src="' . $viewer_url . '" scrolling="no" frameborder="0" style="width: 100%; height: 802px;">Errors: unable to load viewer</iframe>';
        $pages_selected = FALSE;
        $pagina_selected = FALSE;
        $libro_selected = FALSE;
        if ($hasPage) {
            $libropid = $this->pid;
            $paginapid = $this->pid . '-0001';
            $numeropagina = '0001';
            $libro_selected = TRUE;
        } else {
            $libropid = substr($this->pid, 0, -5);
            $paginapid = $this->pid;
            $numeropagina = substr($this->pid, -4);
            $pagina_selected = TRUE;
        }
        $size = 20;
        $page_number = floor(($numeropagina - 1) / $size) + 1;
        $qstring = $_GET['q'];
        $qparts = explode('/', $qstring);
        $tail = end($qparts);
        if (is_numeric($tail)) {
            $pages_selected = TRUE;
            $pagina_selected = FALSE;
            $libro_selected = FALSE;
            $page_number = $tail;
        }
        $class = new CollectionClass();
        // grow default (1000) risearch limit to 2000  
        $results = $class->getRelatedItems($libropid,NULL,2000);
        $page_items = $class->renderCollection($results, $paginapid, NULL, NULL, $page_number);
        $book_contenuto = islandora_book_create_book_view($libropid);
        $titololibro = substr(strstr(strstr($book_contenuto, "<strong>title</strong></td><td>"), "<strong>creator</strong>", TRUE), 31);
        drupal_set_title("$titololibro");
        $stringhe = islandora_book_create_book_index($libropid);
        $indice_html = $stringhe[0];
        $colleinfo_html = $stringhe[1];
        $bookinfo_html = $stringhe[2];
        $tabset['1'] = array(
        // #type and #title are the minimum requirements.
        '#type' => 'tabpage', '#title' => 'BOOK', '#content' => $book_contenuto, '#selected' => $libro_selected, '#weight' => '1',);
        $tabset['2'] = array('#type' => 'tabpage', '#title' => t('Read'), '#content' => $html, '#weight' => '2',);
        $tabset['3'] = array(
        // #type and #title are the minimum requirements.
        '#type' => 'tabpage', '#title' => 'Index',
        //      '#content' => islandora_book_create_book_index($libropid),
        '#content' => $indice_html, '#weight' => '3',);
        $tabset['4'] = array('#type' => 'tabpage', '#title' => t('Pages'), '#selected' => $pages_selected, '#content' => $page_items, '#weight' => '4',);
        $tabset['5'] = array('#type' => 'tabpage', '#title' => 'PAGE ' . substr($paginapid, -4), '#content' => islandora_book_create_book_view($paginapid), '#selected' => $pagina_selected, '#weight' => '5',);
        $tabset['6'] = array('#type' => 'tabpage', '#title' => 'Book info', '#content' => $bookinfo_html, '#weight' => '6',);
        $tabset['7'] = array('#type' => 'tabpage', '#title' => 'Collection info', '#content' => $colleinfo_html, '#weight' => '7',);
        return $tabset;
    }
}