ucla_pdf.module

<?php

/**
 * Implements hook_islandora_required_objects().
 */
function ucla_pdf_islandora_required_objects(IslandoraTuque $connection) {
  // module path
  $module_path = drupal_get_path('module', 'ucla_pdf');

  // UCLA PDF Content Model
  $ucla_pdf_content_model = $connection->repository->constructObject('ucla:TahrirPdfCModel');
  $ucla_pdf_content_model->owner = 'fedoraAdmin';
  $ucla_pdf_content_model->label = 'UCLA PDF Content Model';
  $ucla_pdf_content_model->models = 'fedora-system:ContentModel-3.0';

  // DS-COMPOSITE-MODEL Datastream
  $datastream = $ucla_pdf_content_model->constructDatastream('DS-COMPOSITE-MODEL', 'X');
  $datastream->label = 'DS-COMPOSITE-MODEL';
  $datastream->mimetype = 'text/xml';
  $datastream->setContentFromFile("$module_path/xml/ucla_pdf_ds_composite_model.xml", FALSE);
  $ucla_pdf_content_model->ingestDatastream($datastream);

  //UCLA PDF Collection
  $ucla_pdf_collection = $connection->repository->constructObject('ucla:tahrir_pdf_collection');
  $ucla_pdf_collection->owner = 'fedoraAdmin';
  $ucla_pdf_collection->label = 'Tahrir PDF collection';
  $ucla_pdf_collection->models = 'islandora:collectionCModel';
  $ucla_pdf_collection->relationships->add(FEDORA_RELS_EXT_URI, 'isMemberOfCollection', 'islandora:root');

  // Collection Policy Datastream
  $datastream = $ucla_pdf_collection->constructDatastream('COLLECTION_POLICY', 'X');
  $datastream->label = 'Collection policy';
  $datastream->mimetype = 'text/xml';
  $datastream->setContentFromFile("$module_path/xml/ucla_pdf_collection_policy.xml", FALSE);
  $ucla_pdf_collection->ingestDatastream($datastream);

  // TN Datastream
  $datastream = $ucla_pdf_collection->constructDatastream('TN', 'M');
  $datastream->label = 'Thumbnail';
  $datastream->mimetype = 'image/png';
  $datastream->setContentFromFile("$module_path/images/folder.png", FALSE);
  $ucla_pdf_collection->ingestDatastream($datastream);

  return array(
    'ucla_pdf' => array(
      'title' => 'UCLA PDF',
      'objects' => array(
        $ucla_pdf_content_model,
        $ucla_pdf_collection,
      )
    )
  );
}

/**
 * Implements hook_islandora_xml_form_builder_form_associations().
 */
function ucla_pdf_islandora_xml_form_builder_form_associations() {
  return array(
    'ucla_pdf_mods_form' => array(
      'content_model' => 'ucla:TahrirPdfCModel',
      'form_name' => 'UCLA PDF Mods form',
      'dsid' => 'MODS',
      'title_field' => array('mainTitleInfo', 'mainTitle'),
      'transform' => 'mods_to_dc.xsl',
      'template' => FALSE,
    ),
  );
}

/**
 * Implements hook_CMODEL_PID_islandora_object_alter().
 *
 * Add in islandora:sp_pdf, so it gets handled in largely the same way.
 */
function ucla_pdf_ucla_TahrirPdfCModel_islandora_object_alter($obj, $context) {
  if ($context['action'] == 'ingest') {
    $obj->relationships->add(FEDORA_MODEL_URI, 'hasModel', 'islandora:sp_pdf');
  }
}

/**
 * Implements hook_menu().
 */
function ucla_pdf_menu() {
  return array(
    'islandora/object/%islandora_object/view_translation' => array(
      'title' => 'Translation (English)',
      'page callback' => 'ucla_pdf_view_translation',
      'page arguments' => array(2, 'TRANSLATION-EN'),
      'access callback' => 'ucla_pdf_access',
      'access arguments' => array(2, 'TRANSLATION-EN'),
      'type' => MENU_LOCAL_TASK,
    ),
    'islandora/object/%islandora_object/view_transcription' => array(
      'title' => 'Transcription',
      'page callback' => 'ucla_pdf_view_transcription',
      'page arguments' => array(2, 'TRANSCRIPTION'),
      'access callback' => 'ucla_pdf_access',
      'access arguments' => array(2, 'TRANSCRIPTION'),
      'type' => MENU_LOCAL_TASK,
    ),
      //'islandora/object/%islandora_object/view_dc' => array(
      //  'title' => 'DC (For testing)',
      //  'page callback' => 'ucla_pdf_view_text',
      //  'page arguments' => array(2, 'DC'),
      //  'access callback' => 'ucla_pdf_access',
      //  'access arguments' => array(2, 'DC'),
      //  'type' => MENU_LOCAL_TASK,
      //),
  );
}

/**
 * Check that our streams exist, before showing the paths.
 *
 *  @param AbstractObject $object
 *    Tuque object containing the datastream
 *  @param string $dsid
 *    The id of the datastream in the Tuque object
 */
function ucla_pdf_access($object = NULL, $dsid = NULL) {
  return in_array('ucla:TahrirPdfCModel', $object->models) && isset($object[$dsid]) && islandora_datastream_access(ISLANDORA_VIEW_OBJECTS, $object[$dsid]);
}

/**
 *  Page callback to view the translation of a pdf.
 *
 *  @param AbstractObject $object
 *    Tuque object containing the datastream
 *  @param string $dsid
 *    The id of the datastream in the Tuque object containing the text
 */
function ucla_pdf_view_translation($object, $dsid) {

  // Get the translation text from the datastrem
  module_load_include('inc', 'ucla_pdf', 'ucla_pdf');
  $out = ucla_pdf_format_datastream_text($object, $dsid);
  $out = "<pre>" . $out . "</pre>";

  // Add a link to download the text using Islandora's RESTful api.
  global $base_url;
  $download_url = $base_url . '/islandora/object/' . $object->id . '/datastream/' . $dsid . '/download';
  $link_text = t('Download as txt');
  $out .= "<br />" . l($link_text, $download_url, array('attributes' => array('class' => array('ucla-pdf-link'))));
  return $out;
}

/**
 *  Page callback to view the transcription of a pdf.
 *
 *  @param AbstractObject $object
 *    Tuque object containing the datastream
 *  @param string $dsid
 *    The id of the datastream in the Tuque object containing the text
 */
function ucla_pdf_view_transcription($object, $dsid) {
  module_load_include('inc', 'ucla_pdf', 'ucla_pdf');
  return ucla_pdf_format_datastream_text($object, $dsid);
}

/**
 * Implements hook_islandora_ingest_steps().
 */
function ucla_pdf_ucla_TahrirPdfCModel_islandora_ingest_steps() {
  return array(
    'ucla_pdf_file_upload' => array(
      'weight' => 10,
      'type' => 'form',
      'form_id' => 'islandora_pdf_pdf_upload_form',
      'module' => 'islandora_pdf',
      'file' => 'includes/pdf_upload.form.inc'
    )
  );
}