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<?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 buildDrupalForm($form = array(), $ingest_form = array(), &$form_state = array()) {
$mods_save = '';
if (isset($form_state['mods_save'])) {
$mods_save = $form_state['mods_save'];
}
// Set #cache to true to create the $form_state cache
$form['#cache'] = TRUE;
// Give the user an option to enter a custom PID
$form['custom_pid'] = array(
'#type' => 'textfield',
'#title' => 'Custom PID',
'#description' => 'If you want to manually specify the PID for the new object, enter it here. '.
'Leave it blank for an automatically-generated PID.',
);
// Prompt the user to enter a record ID to be looked up in Evergreen.
$form['unapi_url'] = array(
'#type' => 'textfield',
'#title' => 'Catalogue item URL',
);
$form['unapi_url_submit'] = array(
'#type' => 'submit',
'#value' => t('Retrieve MODS record'),
'#submit' => array('fedora_ilives_retrieve_unapi_submit'),
'#ahah' => array(
'path' => 'fedora/ilives/retrieve_unapi/js', // path we defined in hook_menu
'wrapper' => 'mods-wrapper', // the HTML that wraps the element that needs to be replaced
'method' => 'replace', // the method we're going to use: a replace operation
//'effect' => 'fade', // the effect used when replacing the element (try fade!)
),
'#suffix' => '<br/>',
);
drupal_add_js('', 'inline');
// We define a <div> wrapper. Everything in it will be replaced.
$form['mods'] = array(
'#tree' => TRUE,
'#prefix' => '<div id="mods-wrapper">',
'#suffix' => '</div>',
);
$form['mods']['mods_record'] = array(
'#type' => 'textarea',
'#title' => 'MODS Record to Import',
'#rows' => 20,
);
if (!empty($mods_save)) {
$form['mods']['mods_record']['#value'] = $mods_save['mods']['mods_record'];
}
return $form;
}
public function buildEditMetadataForm($form = array()) {
$form['submit'] = array(
'#type' => 'submit',
'#weight' => 10,
'#value' => 'Update'
);
$form['pid'] = array(
'#type' => 'hidden',
'#value' => $this->pid,
);
$form['dsid'] = array(
'#type' => 'hidden',
'#value' => "DARWIN_CORE",
);
return $this->buildDrupalForm($form);
}
public function handleEditMetadataForm($form_id, $form_values) {
/*
* Process the metadata form
* Update the datastreams
*/
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
module_load_include('inc', 'fedora_repository', 'plugins/DarwinCore');
module_load_include('inc', 'fedora_repository', 'MimeClass');
global $user;
$mimetype = new MimeClass();
$dwc = new DarwinCore($this->item);
$dwc->handleForm($form_values);
$this->item->purge_datastream('DARWIN_CORE');
$this->item->add_datastream_from_string($dwc->darwinCoreXML, 'DARWIN_CORE',
'Darwin Core Metadata', 'text/xml', 'X');
return TRUE;
}
public function handleIngestForm($form_values, &$form_state) {
/*
* process the metadata form
* Create fedora object
* Add the datastreams
*/
module_load_include('inc', 'fedora_repository', 'MimeClass');
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
if ($form_state['clicked_button']['#value'] == 'Retrieve MODS record') {
return;
}
$mods_list_doc = new DomDocument();
$mods_list_doc->loadXML($form_values['mods']['mods_record']);
$mods_item_doc = new DomDocument();
$mods_item = $mods_list_doc->getElementsByTagNameNS('http://www.loc.gov/mods/v3', 'mods')->item(0);
$new_mods_item = $mods_item_doc->importNode($mods_item, TRUE);
$mods_item_doc->appendChild($new_mods_item);
$title_info = $mods_item_doc->getElementsByTagNameNS('http://www.loc.gov/mods/v3', 'titleInfo')->item(0);
$title = '';
foreach(array('nonSort', 'title') as $title_field) {
$title .= $title_info->getElementsByTagNameNS('http://www.loc.gov/mods/v3', $title_field)->item(0)->nodeValue . ' ';
}
$title = trim($title);
$mods_text = $mods_item_doc->saveXML();
global $user;
$mimetype = new MimeClass();
$new_item = Fedora_Item::ingest_new_item(!empty($form_values['custom_pid']) ? $form_values['custom_pid'] : $form_values['pid'], 'A', $title,
$user->name);
$new_item->add_datastream_from_string($mods_text, 'MODS',
'MODS Metadata', 'text/xml', 'X');
$dc = transform_mods_to_dc($mods_text);
if ($dc) {
// Add the PID to a dc:identifier field.
$dc_doc = simplexml_load_string($dc);
$dc_doc->registerXPathNamespace('oai_dc', 'http://www.openarchives.org/OAI/2.0/oai_dc/');
$dc_item = $dc_doc->xpath('//oai_dc:dc');
foreach($dc_item as $node) {
$node->addChild('dc:identifier', $new_item->pid, 'http://purl.org/dc/elements/1.1/');
}
$new_item->modify_datastream_by_value($dc_doc->saveXML(), 'DC', 'Dublin Core XML Metadata', 'text/xml');
}
$new_item->add_relationship('hasModel', $form_values['content_model_pid'], FEDORA_MODEL_URI);
$new_item->add_relationship(!empty($form_values['relationship']) ? $form_values['relationship'] : 'isMemberOfCollection', $form_values['collection_pid']);
drupal_set_message(t("Item !pid created successfully.", array('!pid' => l($new_item->pid, 'fedora/repository/'. $new_item->pid))), "status");
}
public function buildAddPagesForm($form = array()) {
}
public function showFieldSets() {
module_load_include('inc', 'fedora_repository', 'plugins/tagging_form');
module_load_include('inc', 'fedora_repository', 'plugins/DarwinCore');
module_load_include('module', 'fedora_ilives');
global $base_url;
$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 . '/ilives:viewerSdef/getViewer'. $qs;
$html = '<iframe src="'. $viewer_url . '" scrolling="0" frameborder="0" style="width: 100%; height: 800px;">Errors: unable to load viewer</iframe>';
$tabset['second_tab'] = array(
'#type' => 'tabpage',
'#title' => t('Read'),
'#content' => $html
);
$tabset['first_tab'] = array(
// #type and #title are the minimum requirements.
'#type' => 'tabpage',
'#title' => t('Description'),
// This will be the content of the tab.
'#content' => fedora_ilives_create_book_view($this->pid),
);
if (user_access('ingest new fedora objects')) {
$tabset['add_pages'] = array(
'#type' => 'tabpage',
'#title' => t('Add pages'),
'#content' => drupal_get_form('book_add_pages_form', $this->pid),
);
}
return $tabset;
}
}
function book_add_pages_form(&$form_state, $pid, $page_cmodel = 'ilives:pageCModel', $relation = 'isMemberOfCollection') {
$form['pid'] = array(
'#type' => 'hidden',
'#value' => $pid,
);
$form['page_cmodel'] = array (
'#type' => 'hidden',
'#value' => $page_cmodel,
);
$form['relation'] = array (
'#type' => 'hidden',
'#value' => $relation,
);
$form['tiff_dir'] = array(
'#type' => 'textfield',
'#title' => t('TIFF folder'),
'#required' => TRUE,
'#description' => t('Path to a web-accessible folder contining the book\'s page images in TIFF format on this server.'),
);
$form['submit'] = array(
'#type' => 'submit',
'#weight' => 10,
'#value' => 'Ingest Pages'
);
return $form;
}
function book_add_pages_form_validate($form, &$form_state) {
if ($form_state['values']['tiff_dir'] == '') {
form_set_error('', t('You must select a name for this group of settings.'));
}
}
function book_add_pages_form_submit($form, &$form_state) {
$pid = $form_state['values']['pid'];
if (!empty($form_state['values']['tiff_dir'])) {
$file_list = array();
if ($tiff_dir = opendir($form_state['values']['tiff_dir'])) {
while (FALSE !== ($file_name = readdir($tiff_dir))) {
$ext = strrchr($file_name, '.');
if ($ext == '.tif' || $ext == '.tiff') {
array_push($file_list, $form_state['values']['tiff_dir'] .'/'. $file_name);
}
}
closedir($tiff_dir);
sort($file_list);
ilives_create_page_objects($pid, $file_list, $form_state['values']['page_cmodel'], $form_state['values']['relation']);
}
}
}
/**
* Create a page object for each element in $image_list as a child object of $pid
*/
function ilives_create_page_objects($pid, $image_list = array(), $page_cmodel = 'ilives:pageCModel', $relation = 'isMemberOfCollection') {
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
$book = new Fedora_Item($pid);
if (!$book->exists()) {
return FALSE;
}
$page_pids = array();
$batch = array(
'title' => 'Creating page objects',
'operations' => array(),
'file' => drupal_get_path('module', 'fedora_ilives') .'/book.inc',
);
$page_num = 1;
$book_title = $book->objectProfile->objLabel;
foreach ($image_list as $image_path) {
$batch['operations'][] = array('ilives_add_single_page_object', array($pid, $image_path, $page_num, "$book_title - Page ". sprintf("%03d", $page_num), $page_cmodel, $relation));
$page_num++;
}
batch_set($batch);
}
function ilives_add_single_page_object($book_pid, $page_file, $page_num = 1, $page_title = NULL, $page_cmodel = 'ilives:pageCModel', $relation = 'isMemberOfCollection') {
module_load_include('inc', 'fedora_repository', 'api/fedora_utils');
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
$page_item = Fedora_Item::ingest_new_item("$book_pid-". sprintf("%03d", $page_num), 'A', $page_title);
$page_item->add_relationship('hasModel', $page_cmodel, FEDORA_MODEL_URI);
$page_item->add_relationship($relation, $book_pid);
$page_item->add_datastream_from_file($page_file, 'TIFF', 'Archival TIFF', 'image/tiff', 'M');
}
function transform_mods_to_dc($mods) {
$xp = new XsltProcessor();
// create a DOM document and load the XSL stylesheet
$xsl = new DomDocument;
$xsl->load(drupal_get_path('module', 'fedora_ilives').'/xsl/MODS3-22simpleDC.xsl');
// import the XSL styelsheet into the XSLT process
$xp->importStylesheet($xsl);
// create a DOM document and load the XML datat
$xml_doc = new DomDocument;
$xml_doc->loadXML($mods);
// transform the XML into HTML using the XSL file
if ($dc = $xp->transformToXML($xml_doc)) {
return $dc;
}
else {
return FALSE;
}
}
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