islandora_3dmodel.module

<?php

/**
 * @file
 * Handles the creation and display of 3D objects.
 */

/**
 * Implements hook_menu().
 */
function islandora_3dmodel_menu() {
  $items = array();
  $items['islandora/object/%islandora_object/modelfile/%'] = array (
    'page callback' => 'islandora_3dmodel_modelfile_router',
    'page arguments' => array(2,4),
    'access callback' => TRUE,
  );
  $items['islandora/previews/3dmodel/upload'] = array(
    'title' => '3D Model Object Preview Upload',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('islandora_3dmodel_preview_upload_form'),
    'access arguments' => array('access content'),
    'file' => 'includes/preview.inc',
  );
  $items['islandora/previews/3dmodel/view'] = array(
    'title' => '3D Model Object Preview',
    'page callback' => 'islandora_3dmodel_preview_display',
    'access arguments' => array('access content'),
    'file' => 'includes/preview.inc',
  );
  return $items;
}

/**
 * Implements hook_islandora_view_object().
 */
function islandora_3dmodel_islandora_3dModelCModel_islandora_view_object($object) {
  $output = theme('islandora_3dmodel', array('islandora_object' => $object));
  return array('' => $output);
}

/**
 * Implements hook_theme().
 */
function islandora_3dmodel_theme($existing, $type, $theme, $path) {
  return array(
    'islandora_3dmodel' => array(
      'file' => 'theme/theme.inc',
      'template' => 'theme/islandora-3dmodel',
      'pattern' => 'islandora_3dmodel__',
      'variables' => array('islandora_object' => NULL),
    ),
  );
}

/**
 * Implements hook_islandora_required_objects().
 */
function islandora_3dmodel_islandora_required_objects(IslandoraTuque $connection) {
  $module_path = drupal_get_path('module', 'islandora_3dmodel');
  $islandora_path = drupal_get_path('module', 'islandora');

  // 3D Model Content Model.
  $object_content_model = $connection->repository->constructObject('islandora:3dModelCModel');
  $object_content_model->owner = 'fedoraAdmin';
  $object_content_model->label = 'Islandora 3D Model Content Model';
  $object_content_model->models = 'fedora-system:ContentModel-3.0';

  // DS-COMPOSITE-MODEL Datastream.
  $datastream = $object_content_model->constructDatastream('DS-COMPOSITE-MODEL', 'X');
  $datastream->label = 'DS-COMPOSITE-MODEL';
  $datastream->mimetype = 'text/xml';
  $datastream->setContentFromFile("$module_path/xml/islandora_3dmodel_ds_composite_model.xml", FALSE);
  $object_content_model->ingestDatastream($datastream);

  // 3D Model Collection.
  $object_collection = $connection->repository->constructObject('islandora:3dModel_collection');
  $object_collection->owner = 'fedoraAdmin';
  $object_collection->label = '3D Model Collection';
  $object_collection->models = 'islandora:collectionCModel';
  $object_collection->relationships->add(FEDORA_RELS_EXT_URI, 'isMemberOfCollection', 'islandora:root');

  // Collection policy datastream.
  $policy_ds = $object_collection->constructDatastream('COLLECTION_POLICY', 'X');
  $policy_ds->label = 'Collection policy';
  $policy_ds->mimetype = 'application/xml';
  $policy_ds->setContentFromFile("$module_path/xml/islandora_3dmodel_collection_policy.xml", FALSE);
  $object_collection->ingestDatastream($policy_ds);

  // TN Datastream.
  $datastream = $object_collection->constructDatastream('TN', 'M');
  $datastream->label = 'Thumbnail';
  $datastream->mimetype = 'image/png';
  $datastream->setContentFromFile("$islandora_path/images/folder.png", FALSE);
  $object_collection->ingestDatastream($datastream);
  return array(
    'islandora_3dmodel' => array(
      'title' => 'Islandora 3D Model',
      'objects' => array(
        $object_content_model,
        $object_collection,
      ),
    ),
  );
}

/**
 * Implements hook_islandora_importer().
 */
function islandora_3dmodel_islandora_importer() {
  $path_parts = explode('/', current_path());
  if (count($path_parts) >= 3) {
    $collection = islandora_object_load($path_parts[2]);
    if ($collection && in_array('islandora:collectionCModel', $collection->models)) {
      $policy = new CollectionPolicy($collection['COLLECTION_POLICY']->content);
      if (in_array('islandora:3dModelCModel', array_keys($policy->getContentModels()))) {
        return array(
          '3dmodel_importer' => array(
            'title' => t('3D Model Zip Importer'),
            'class' => '_3dModelZipBatchImporter',
          ),
        );
      }
    }
  }
}

/**
 * Implements hook_islandora_CMODEL_PID_derivative().
 */
function islandora_3dmodel_islandora_3dModelCModel_islandora_derivative() {
  return array(
    array(
      'source_dsid' => 'MODS',
      'destination_dsid' => 'TN',
      'weight' => '0',
      'function' => array(
        'islandora_3dmodel_create_thumbnail',
      ),
      'file' => drupal_get_path('module', 'islandora_3dmodel') . '/includes/derivatives.inc',
    ),
  );
}


function islandora_3dmodel_modelfile_router($pid, $filename) {
  $object = islandora_object_load($pid);
  $dsmap = json_decode($object['DSMAP']->content, TRUE);
  if (array_key_exists($filename, $dsmap)) {
    $dsid = $dsmap[$filename];
  }
  $path = '/islandora/object/' . $pid . "/datastream/" . $dsid . "/view";
  drupal_goto($path);
}