Drupal modules for browsing and managing Fedora-based digital repositories.
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<?php
/**
* @file
* The form displayed that shows the datastream version history.
*/
/**
* Function that returns markup for the datastream versions page.
*/
function islandora_datastream_version_table($datastream) {
module_load_include('inc', 'islandora', 'includes/datastream');
module_load_include('inc', 'islandora', 'includes/utilities');
drupal_set_title(t("@dsid Previous Versions", array('@dsid' => $datastream->id)));
$header = array();
$header[] = array('data' => t('Created Date'));
$header[] = array('data' => t('Size'));
$header[] = array('data' => t('Label'));
$header[] = array('data' => t('Mime type'));
$header[] = array('data' => t('Operations'));
$rows = array();
foreach ($datastream as $version => $datastream_version) {
$row = array();
$row[] = array(
'class' => 'datastream-date',
'data' => theme('islandora_datastream_view_link', array(
'datastream' => $datastream,
'label' => $datastream_version->createdDate->format(DATE_RFC850),
'version' => $version,
)),
);
$row[] = array(
'class' => 'datastream-size',
'data' => islandora_datastream_get_human_readable_size($datastream_version),
);
$row[] = array(
'class' => 'datastream-label',
'data' => $datastream_version->label,
);
$row[] = array(
'class' => 'datastream-mime',
'data' => $datastream_version->mimeType,
);
$row[] = array(
'class' => 'datastream-delete',
'data' => theme('islandora_datastream_delete_link', array(
'datastream' => $datastream,
'version' => $version,
)),
);
$rows[] = $row;
}
return theme('table', array('header' => $header, 'rows' => $rows));
}
/**
* The admin delete datastream form.
*
* @param array $form
* The Drupal form.
* @param array $form_state
* The Drupal form state.
* @param AbstractDatastream $datastream
* The datastream to be deleted.
* @param string $version
* The version number of the datastream we are trying to delete.
*
* @return array
* The drupal form definition.
*/
function islandora_delete_datastream_version_form(array $form, array &$form_state, AbstractDatastream $datastream, $version) {
if (!isset($datastream[$version]) || count($datastream) < 2) {
return drupal_not_found();
}
$form_state['datastream'] = $datastream;
$form_state['version'] = $version;
return confirm_form($form,
t('Are you sure you want to delete version @version of the @dsid datastream?', array('@dsid' => $datastream->id, '@version' => $version)),
"islandora/object/{$datastream->parent->id}",
t('This action cannot be undone.'),
t('Delete'),
t('Cancel')
);
}
/**
* Submit handler for the delete datastream form.
*
* Purges/Delete's the given AbstractDatastream if possible.
*
* The ISLANDORA_PRE_PURGE_DATASTREAM_HOOK will query other modules as to
* whether the given FedoraDatastream
* should be: blocked from purging; state set to 'Deleted'; or purged.
*
* @param array $form
* The Drupal form.
* @param array $form_state
* The Drupal form state.
*/
function islandora_delete_datastream_version_form_submit(array $form, array &$form_state) {
$datastream = $form_state['datastream'];
$version = $form_state['version'];
$datastream_id = $datastream->id;
$object = $datastream->parent;
try {
unset($datastream[$version]);
}
catch (Exception $e) {
drupal_set_message(t('Error deleting version %v of %s datastream from object %o %e', array(
'%v' => $version,
'%s' => $datastream_id,
'%o' => $object->label,
'%e' => $e->getMessage())), 'error');
}
drupal_set_message(t('%d datastream version successfully deleted from Islandora object %o', array(
'%d' => $datastream_id,
'%o' => $object->label)));
$form_state['redirect'] = "islandora/object/{$object->id}/datastream/{$datastream->id}/version";
}