Rapporto Tecnico, Anno 7, n° 42 maggio 2012

//loads an xslt for the main book page uses mods for most of the display.
// it will execute it against the book.
function islandora_book_create_book_view($pid, $query = NULL) {
global $user;
module_load_include('inc', 'fedora_repository', 'ObjectHelper');
$path = drupal_get_path('module', 'islandora_book');
$objectHelper = new ObjectHelper;
// $xml = $objectHelper->getStream($pid, 'MODS');
$xml = $objectHelper->getStream($pid, 'DC');
$dc_xml = $objectHelper->getStream($pid, 'DC');
$rels_xml = $objectHelper->getStream($pid, 'RELS-EXT');

if there is a $query parameter

if (!$rels_xml) {
drupal_set_message(t('Object does not exist.'), 'error');
return '';
}
$simpleRELSxml = simplexml_load_string($rels_xml);
// $modello = $simpleRELSxml->xpath('//fedora-model:hasModel@rdf:resource');
// $modello = $simpleRELSxml->xpath('//rdf:RDF/rdf:Description/@rdf:about')."pippo";
$modello = $simpleRELSxml->xpath('//rdf:RDF/rdf:Description/fedora-model:hasModel/@rdf:resource');
$modello = $modello[0];
if (!$dc_xml) {
drupal_set_message(t('Object does not exist.'), 'error');
return '';
}
$simpleDCxml = simplexml_load_string($dc_xml);
$types = $simpleDCxml->xpath('//dc:type');
$ingested = 'false';
if (!empty($types)) {
foreach ($types as $type) {
if ($type == 'ingested') {
$ingested = 'true';
}
}
}
if (!isset($pid)) {
drupal_set_message(t('Error getting book view, no identifier specified.'));
return;
}
$proc = NULL;
try {
$proc = new XsltProcessor();
} catch (Exception $e) {
drupal_set_message(t('Error loading Book View XSLT: $e', array('!e' => $e->getMessage())));
return;
}
//inject into xsl stylesheet
$proc->setParameter('', 'userID', $user->uid);
$proc->setParameter('', 'objectsPage', base_path());
$proc->setParameter('', 'pid', $pid);
$proc->setParameter('', 'ingested', $ingested);
$proc->setParameter('', 'modello', $modello);

$xsl = new DomDocument();
$test = $xsl->load($path . '/xsl/tocnr_book_view.xsl');
if (!isset($test)) {
drupal_set_message(t('Error loading search results XSLT.'));
return t('Error loading search results XSLT.');
}
$input = new DomDocument();
$didLoadOk = $input->loadXML($xml);
$output = NULL;
if (!isset($didLoadOk)) {
drupal_set_message(t('Error loading Book View XML.'));
return t('Error loading Book View XML.');
}
else {
$xsl = $proc->importStylesheet($xsl);
$newdom = $proc->transformToDoc($input);
$output .= $newdom->saveXML();
}
if (isset($query)) {
module_load_include('inc', 'fedora_repository', 'SearchClass');
$searchClass = new SearchClass();
$pageQuery = convert_query_to_page_query($query, $pid);
$output .= '<div>' . $searchClass->custom_search($pageQuery, $startPage, '/xsl/pageResults.xsl', 500) .
'</div>'; //limit results to 500 pages of a book since there is no paging if we enable paging in xslt this can
be changed
//return $output."<div>used this query to find this page $query and new query = $pageQuery</div>";
return $output;
}
else {
return $output;
}
}

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