@ -12,6 +12,9 @@
* @return stream
* prints datastream to browser
*/
define('DS_COMP_STREAM', 'DS-COMPOSITE-MODEL');
function islandora_datastream_as_attachment($object_id, $dsid) {
module_load_include('inc', 'islandora', 'RestConnection');
global $user;
@ -33,3 +36,158 @@ function islandora_datastream_as_attachment($object_id, $dsid) {
exit();
}
/**
*
* @param array $arr
* an array of dsids that are defined by this objects cmodels
* @param string $ds_comp_stream
* the dscomposite stream as xml
*/
function islandora_update_available_dsids_array(& $arr, $ds_comp_stream){
$sxml = new SimpleXMLElement($ds_comp_stream);
foreach($sxml->dsTypeModel as $ds){
//$arr[$ds['ID']]
$mimes = array();
foreach($ds->form as $form){
$mimetype = (string)$form['MIME'];
$mimes[] = $mimetype;
}
$dsid = (string)$ds['ID'];
if($dsid != 'AUDIT'){
$arr[(string)$ds['ID']] = $mimes;
}
}
}
/**
* this function may not be being used
* @param type $pid
* @param type $form_state
* @return string
*/
function islandora_add_datastream_form($object_id, & $form_state) {
//dump_vars($form_state);
// Populate the list of datastream IDs.
module_load_include('inc', 'islandora', 'RestConnection');
global $user;
try {
$restConnection = new RestConnection($user);
$fedora_object = new FedoraObject($object_id, $restConnection->repository);
} catch (Exception $e) {
drupal_set_message(t('Error getting Islandora object %s ', array('%s' => $object_id)), 'error');
return "";
}
if (!isset($fedora_object)) {
drupal_set_message(t('Could not create add datastream form for %s'), array('%s' => $object_id));
return;
}
$models = $fedora_object->models;
$available_dsids = array();
if (isset($models)) {
foreach ($models as $model) {
try {
$model_object = new FedoraObject($model, $restConnection->repository);
$dscomposite_stream = $model_object[DS_COMP_STREAM]->content;
islandora_update_available_dsids_array($available_dsids, $dscomposite_stream);
} catch (Exception $e) {
//do nothing as other objects may have a dscompsite stream
}
//$model_ds_comp =
}
}
/*if (!empty($content_models)) {
foreach ($content_models as $content_model) {
$newElements = $content_model->listDatastreams();
if (!empty($newElements)) {
$available_dsids = array_merge($available_dsids, $newElements);
}
}
}
$item = new Fedora_Item($pid);
$used_datastreams = $item->get_datastreams_list_as_SimpleXML();
$used_datastream_ids = array();
foreach ($used_datastreams->datastreamDef as $used_datastream) {
array_push($used_datastream_ids, $used_datastream->ID);
}
$unused_dsids = array();
if ($form_state['submitted'] & & $form_state['clicked_button']['#value'] != 'OK') {
$form['add_datastream_label'] = array(
'#value' => t('< br / > < h3 > The datastream has been uploaded.< / h3 > '),
'#weight' => -10,
);
$form['#redirect'] = "fedora/repository/$pid/";
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('OK')
);
return $form;
}
if (!empty($available_dsids)) {
$unused_dsids = array_diff($available_dsids, $used_datastream_ids);
if (empty($unused_dsids)) {
return;
}
}
$form['add_datastream_label'] = array(
'#value' => t('< br / > < h3 > Add Datastream:< / h3 > '),
'#weight' => -10,
);
$form['pid'] = array(
'#type' => 'hidden',
'#value' => "$pid"
);
$form['stream_label'] = array(
'#title' => 'Datastream Label',
'#required' => 'TRUE',
'#description' => t('A Human readable label'),
'#type' => 'textfield'
);
$form['#attributes']['enctype'] = 'multipart/form-data';
$form['add-stream-file-location'] = array(
'#type' => 'file',
'#title' => t('Upload Document'),
'#size' => 48,
// '#required'=>'TRUE',
'#description' => t('The file to upload.')
);
$form['#redirect'] = "fedora/repository/$pid/";
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('Add Datastream')
);
if (!empty($unused_dsids)) {
$dsidsForForm = array();
foreach ($unused_dsids as $dsid) {
$dsidsForForm[$dsid] = $dsid;
}
$form['stream_id'] = array(
'#type' => 'select',
'#title' => t('Datastream ID'),
'#default_value' => variable_get('feed_item_length', 'teaser'),
'#weight' => '-1',
'#description' => t('Datastream IDs defined by the content model.'),
);
$form['stream_id']['#options'] = array_combine($unused_dsids, $unused_dsids);
}
else {
$form['stream_id'] = array(
'#title' => 'Datastream ID',
'#required' => 'TRUE',
'#description' => t('An ID for this stream that is unique to this object. Must start with a letter and contain only alphanumeric characters and dashes and underscores.'),
'#type' => 'textfield',
'#weight' => -1,
);
}
return $form;*/
}
