@ -307,55 +307,22 @@ class ObjectHelper {
} }
} }
$content .= "< tr > < td > $label< / td > < td > $view< / td > < td > $downloadVersion< / td > < td > $mimeType< / td > < td > $replaceImage $purgeImage< / td > < / tr > \n"; $content .= "< tr > < td > $label< / td > < td > $view< / td > < td > $downloadVersion< / td > < td > $mimeType< / td > < td > $replaceImage $purgeImage< / td > < / tr > \n";
//$content .= "< tr > < td > < b > Mime Type :< / b > < / td > < td > $mimeType< / td > < / tr > \n";
return $content; return $content;
} }
/** function getFormattedDC($item) {
* Queries fedora for what we call the qualified dublin core. Currently only dc.coverage has
* any qualified fields
* Transforms the returned xml to html
* This is the default metadata view. With icons for searching a dublin core field
* @param $pid String
* @return String
*/
function getQDC($pid) {
global $base_url; global $base_url;
$path = drupal_get_path('module', 'fedora_repository'); $path = drupal_get_path('module', 'fedora_repository');
module_load_include('inc', 'fedora_repository', 'ConnectionHelper'); module_load_include('inc', 'fedora_repository', 'ConnectionHelper');
$soapHelper = new ConnectionHelper() ; $dsid = array_key_exists('QDC', $item->get_datastreams_list_as_array()) ? 'QDC' : 'DC';
$client = $soapHelper->getSoapClient(variable_get('fedora_soap_url', 'http://localhost:8080/fedora/services/access?wsdl') ); $xmlstr = $item->get_datastream_dissemination($dsid);
$dsId = 'QDC'; if (empty($xmlstr)) {
$params = array( return '';
'pid' => "$pid",
'dsID' => "$dsId",
'asOfDateTime' => ""
);
try {
$object = $client->__soapCall('getDatastreamDissemination', array(
'parameters' => $params
));
} catch (Exception $e) {
try { //probably no QDC so we will try for the DC stream.
$dsId = 'DC';
$params = array(
'pid' => "$pid",
'dsID' => "$dsId",
'asOfDateTime' => ""
);
$object = $client->__soapCAll('getDatastreamDissemination', array(
'parameters' => $params
));
} catch (exception $e2) {
drupal_set_message($e2->getMessage(), 'error');
return;
}
} }
$xmlstr = $object->dissemination->stream;
try { try {
$proc = new XsltProcessor(); $proc = new XsltProcessor();
} catch (Exception $e) { } catch (Exception $e) {
@ -377,7 +344,25 @@ class ObjectHelper {
$xsl = $proc->importStylesheet($xsl); $xsl = $proc->importStylesheet($xsl);
$newdom = $proc->transformToDoc($input); $newdom = $proc->transformToDoc($input);
$output = $newdom->saveXML(); $output = $newdom->saveXML();
$baseUrl = base_path(); return $output;
}
/**
* Queries fedora for what we call the qualified dublin core. Currently only dc.coverage has
* any qualified fields
* Transforms the returned xml to html
* This is the default metadata view. With icons for searching a dublin core field
* @param $pid String
* @return String
*/
function getQDC($pid) {
global $base_url;
$item = new Fedora_Item($pid);
$ds_list = $item->get_datastreams_list_as_array();
$output = $this->getFormattedDC($item);
$dsid = array_key_exists('QDC', $ds_list) ? 'QDC' : 'DC';
//$baseUrl=substr($baseUrl, 0, (strpos($baseUrl, "/")-1)); //$baseUrl=substr($baseUrl, 0, (strpos($baseUrl, "/")-1));
if (user_access(ObjectHelper :: $EDIT_FEDORA_METADATA)) { if (user_access(ObjectHelper :: $EDIT_FEDORA_METADATA)) {
$allow=TRUE; $allow=TRUE;
@ -386,36 +371,13 @@ class ObjectHelper {
} }
if ($allow) { if ($allow) {
$output .= '< br / > < a title = "' . t('Edit Meta Data') . '" href = "' . $ base_url . ' / fedora / repository / ' . ' editmetadata / ' . $ pid . ' / ' . $output .= '< br / > < a title = "' . t('Edit Meta Data') . '" href = "' . $ base_url . ' / fedora / repository / ' . ' editmetadata / ' . $ pid . ' / ' .
$dsI d . '">< img src = "' . $base_url . '/' . $path . '/images/edit.gif" alt = "' . t('Edit Meta Data') . '" / > < / a > '; $dsi d . '">< img src = "' . $base_url . '/' . drupal_get_path('module', 'fedora_repository') . '/images/edit.gif" alt = "' . t('Edit Meta Data') . '" / > < / a > ';
} }
} }
return $output; return $output;
} }
/** function getFormattedDatastreamList($object_pid, $contentModels, & $fedoraItem) {
* Gets a list of datastreams from an object using its pid
*
* We make some assumptions here. We have implemented a policy that
* we ingest in our repository will have TN (thumbnail) datastream. Even audio
* will have a picture of a speaker or something. This is not critical
* but makes searches etc. look better if there is a TN stream.
* This diplays all the streams in a collapsed fieldset at the bottom of the object page.
* you can implement a content model if you would like certain streams displayed in certain ways.
* @param $object_pid String
* @return String
*
*/
function get_formatted_datastream_list($object_pid, $contentModels, & $fedoraItem) {
global $fedoraUser, $fedoraPass, $base_url, $user;
module_load_include('inc', 'fedora_repository', 'ConnectionHelper');
module_load_include('inc', 'fedora_repository', 'ObjectHelper');
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
module_load_include('inc', 'fedora_repository', 'ContentModel');
$path = drupal_get_path('module', 'fedora_repository');
$dataStreamBody = '';
$fedoraItem = new Fedora_Item($object_pid);
if (user_access(ObjectHelper :: $VIEW_DETAILED_CONTENT_LIST)) { if (user_access(ObjectHelper :: $VIEW_DETAILED_CONTENT_LIST)) {
$availableDataStreamsText = 'Detailed List of Content'; $availableDataStreamsText = 'Detailed List of Content';
//$metaDataText='Description'; //$metaDataText='Description';
@ -428,50 +390,75 @@ class ObjectHelper {
$hasOBJStream = NULL; $hasOBJStream = NULL;
$hasTNStream = FALSE; $hasTNStream = FALSE;
$dataStreamBody = "< br / > < table > \n"; $dataStreamBody = "< br / > < table > \n";
$cmDatastreams = array(); $cmDatastreams = array();
if (variable_get('fedora_object_restrict_datastreams', FALSE) == TRUE & & ($cm = ContentModel::loadFromObject($object_pid)) !== FALSE) { if (variable_get('fedora_object_restrict_datastreams', FALSE) == TRUE & & ($cm = ContentModel::loadFromObject($object_pid)) !== FALSE) {
$cmDatastreams = $cm->listDatastreams(); $cmDatastreams = $cm->listDatastreams();
} }
$dataStreamBody .= $this->get_parent_objects_asHTML($object_pid); $dataStreamBody .= $this->get_parent_objects_asHTML($object_pid);
$dataStreamBody .= '< tr > < th colspan = "4" > < h3 > ' . t("!text", array('!text' => $availableDataStreamsText)) . '< / h3 > < / th > < / tr > '; $dataStreamBody .= '< tr > < th colspan = "4" > < h3 > ' . t("!text", array('!text' => $availableDataStreamsText)) . '< / h3 > < / th > < / tr > ';
foreach ($object as $datastream) { foreach ($object as $datastream) {
foreach ($datastream as $datastreamValue) { foreach ($datastream as $datastreamValue) {
if (variable_get('fedora_object_restrict_datastreams', FALSE) == FALSE || ((isset($user) & & in_array('administrator',$user->roles)) || in_array($datastreamValue->ID,$cmDatastreams))) { if (variable_get('fedora_object_restrict_datastreams', FALSE) == FALSE || ((isset($user) & & in_array('administrator',$user->roles)) || in_array($datastreamValue->ID,$cmDatastreams))) {
if ($datastreamValue->ID == 'OBJ') { if ($datastreamValue->ID == 'OBJ') {
$hasOBJStream = '1'; $hasOBJStream = '1';
$mainStreamLabel = $datastreamValue->label; $mainStreamLabel = $datastreamValue->label;
$mainStreamLabel = str_replace("_", " ", $mainStreamLabel); $mainStreamLabel = str_replace("_", " ", $mainStreamLabel);
} }
if ($datastreamValue->ID == 'TN') { if ($datastreamValue->ID == 'TN') {
$hasTNStream = TRUE; $hasTNStream = TRUE;
} }
//create the links to each datastream //create the links to each datastream
$dataStreamBody .= $this->create_link_for_ds($object_pid, $datastreamValue); //"< tr > < td > < b > $key :< / b > < / td > < td > $value< / td > < / tr > \n"; $dataStreamBody .= $this->create_link_for_ds($object_pid, $datastreamValue); //"< tr > < td > < b > $key :< / b > < / td > < td > $value< / td > < / tr > \n";
} }
} }
} }
$dataStreamBody .= "< / table > \n"; $dataStreamBody .= "< / table > \n";
//if they have access let them add a datastream //if they have access let them add a datastream
if (user_access(ObjectHelper :: $ADD_FEDORA_STREAMS)) { if (user_access(ObjectHelper :: $ADD_FEDORA_STREAMS)) {
$allow=TRUE; $allow=TRUE;
if (module_exists('fedora_fesl')) { if (module_exists('fedora_fesl')) {
$allow= fedora_fesl_check_roles($object_pid,'write'); $allow= fedora_fesl_check_roles($object_pid,'write');
} }
if ($allow) { if ($allow) {
$dataStreamBody .= drupal_get_form('add_stream_form', $object_pid); $dataStreamBody .= drupal_get_form('add_stream_form', $object_pid);
} }
} }
$fieldset = array(
'#title' => t("!text", array('!text' => $availableDataStreamsText)), $dataStreamBody = '< div class = "fedora_detailed_list" > ' . $dataStreamBody . '< / div > ';
'#collapsible' => TRUE, return $dataStreamBody;
'#collapsed' => TRUE,
'#value' => $dataStreamBody
);
$dataStreamBody = '< div class = "fedora_detailed_list" > ' . theme('fieldset', $fieldset) . '< / div > ';
} }
return '';
}
/**
* Gets a list of datastreams from an object using its pid
*
* We make some assumptions here. We have implemented a policy that
* we ingest in our repository will have TN (thumbnail) datastream. Even audio
* will have a picture of a speaker or something. This is not critical
* but makes searches etc. look better if there is a TN stream.
* This diplays all the streams in a collapsed fieldset at the bottom of the object page.
* you can implement a content model if you would like certain streams displayed in certain ways.
* @param $object_pid String
* @return String
*
*/
function get_formatted_datastream_list($object_pid, $contentModels, & $fedoraItem) {
global $fedoraUser, $fedoraPass, $base_url, $user;
module_load_include('inc', 'fedora_repository', 'ConnectionHelper');
module_load_include('inc', 'fedora_repository', 'ObjectHelper');
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
module_load_include('inc', 'fedora_repository', 'ContentModel');
$path = drupal_get_path('module', 'fedora_repository');
$dataStreamBody = '';
$fedoraItem = new Fedora_Item($object_pid);
$dataStreamBody = $this->getFormattedDatastreamList($object_pid, $contentModels, $fedoraItem);
$content = ''; $content = '';
if (empty($contentModels)) { if (empty($contentModels)) {
@ -516,19 +503,7 @@ class ObjectHelper {
return '< div class = "fedora_datastream_content" > ' . $content . '< / div > '; return '< div class = "fedora_datastream_content" > ' . $content . '< / div > ';
} }
/**
* Queries a collection object for an xslt to format how the
* collection of objects is displayed.
*/
function getXslContent($pid, $path, $canUseDefault = TRUE) {
module_load_include('inc', 'fedora_repository', 'CollectionClass');
$collectionClass = new CollectionClass();
$xslContent = $collectionClass->getCollectionViewStream($pid);
if (!$xslContent & & $canUseDefault) { //no xslt so we will use the default sent with the module
$xslContent = file_get_contents($path . '/xsl/sparql_to_html.xsl');
}
return $xslContent;
}
/** /**
* returns a stream from a fedora object given a pid and dsid * returns a stream from a fedora object given a pid and dsid
@ -589,15 +564,19 @@ class ObjectHelper {
if (!isset($sxml)) { if (!isset($sxml)) {
return $pids; return $pids;
} }
$cmodels = array();
foreach ($sxml->xpath('//@uri') as $uri) { foreach ($sxml->xpath('//@uri') as $uri) {
if (strpos($uri, 'fedora-system') != FALSE & & $include_fedora_system_content_models == FALSE) { if (strpos($uri, 'fedora-system:fedoraObject-3.0 ') != FALSE & & $include_fedora_system_content_models == FALSE) {
continue; continue;
} }
$pids[] = substr(strstr($uri, '/'), 1); $cmodel_pid = substr(strstr($uri, '/'), 1);
$cm = ContentModel::loadFromModel($cmodel_pid);
if ($cm) {
$cmodels[] = $cm;
}
} }
return $pids; return $cmodel s;
} }
/* /*
@ -666,56 +645,6 @@ class ObjectHelper {
$isCollection = TRUE; $isCollection = TRUE;
} }
} }
//$label=$content;
$collectionName = $collection;
if (!$pageNumber) {
$pageNumber = 1;
}
if (!isset($collectionName)) {
$collectionName = variable_get('fedora_repository_name', 'Collection');
}
$xslContent = $this->getXslContent($pid, $path);
//get collection list and display using xslt-------------------------------------------
if (isset($content) & & $content != FALSE) {
$input = new DomDocument();
$input->loadXML(trim($content));
$results = $input->getElementsByTagName('result');
if ($results->length > 0) {
try {
$proc = new XsltProcessor();
$proc->setParameter('', 'collectionPid', $collection_pid);
$proc->setParameter('', 'collectionTitle', $collectionName);
$proc->setParameter('', 'baseUrl', $base_url);
$proc->setParameter('', 'path', $base_url . '/' . $path);
$proc->setParameter('', 'hitPage', $pageNumber);
$proc->registerPHPFunctions();
$xsl = new DomDocument();
$xsl->loadXML($xslContent);
// php xsl does not seem to work with namespaces so removing it below
// I may have just been being stupid here
// $content = str_ireplace('xmlns="http://www.w3.org/2001/sw/DataAccess/rf1/result"', '', $content);
$xsl = $proc->importStylesheet($xsl);
$newdom = $proc->transformToDoc($input);
$objectList = $newdom->saveXML(); //is the xml transformed to html as defined in the xslt associated with the collection object
if (!$objectList) {
throw new Exception("Invalid XML.");
}
} catch (Exception $e) {
drupal_set_message(t('!e', array('!e' => $e->getMessage())), 'error');
return '';
}
}
} else {
drupal_set_message(t("No Objects in this collection or bad query."));
}
//-------------------------------------------------------------------------------- //--------------------------------------------------------------------------------
//show the collections datastreams //show the collections datastreams
if ($results->length > 0 || $isCollection == TRUE) { if ($results->length > 0 || $isCollection == TRUE) {
@ -739,45 +668,10 @@ class ObjectHelper {
else { else {
$ingestObject = ' '; $ingestObject = ' ';
} }
$datastreams .= $ingestObject;
$objectListOut = '';
if (isset($objectList)) {
$object_list_fieldset = array(
'#title' => t('Items in this collection'),
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'#value' => (isset($objectList) ? $objectList : ''), //collection list
);
$objectListOut = theme('fieldset', $object_list_fieldset);
}
} else {
//$collectionName='';
$collection_fieldset = array(
'#title' => "",
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'#value' => $datastreams,
);
$objectListOut = ''; //no collection objects to show so don't show field set
} }
$output = ''; $datastreams .= $ingestObject;
switch (variable_get('fedora_object_display_title', ObjectHelper::$DISPLAY_ALWAYS)) {
case ObjectHelper :: $DISPLAY_NEVER: break;
case ObjectHelper :: $DISPLAY_NO_MODEL_OUTPUT:
if (trim($datastreams) == '') {
$output .= '< strong > ' . $collectionName . '< / strong > < br / > ';
}
break;
case ObjectHelper :: $DISPLAY_ALWAYS:
default:
$output .= '< strong > ' . $collectionName . '< / strong > < br / > ';
break;
}
$output .= $datastreams; $output .= $datastreams;
@ -808,20 +702,7 @@ class ObjectHelper {
$output .= theme('fieldset', $fieldset); $output .= theme('fieldset', $fieldset);
} }
switch (variable_get('fedora_collection_display_list', ObjectHelper::$DISPLAY_ALWAYS)) {
case ObjectHelper :: $DISPLAY_NEVER: break;
case ObjectHelper :: $DISPLAY_NO_MODEL_OUTPUT:
if (trim($datastreams) == '') {
$output .= $objectListOut . '< br / > ';
}
break;
case ObjectHelper :: $DISPLAY_ALWAYS:
default:
$output .= $objectListOut . '< br / > ';
break;
}
return $output; return $output;
} }
@ -868,12 +749,12 @@ class ObjectHelper {
return $parent_collections_HTML; return $parent_collections_HTML;
} }
/** /**
* gets a list of datastreams and related function that we should use to show datastreams in their own fieldsets * gets a list of datastreams and related function that we should use to show datastreams in their own fieldsets
* from the content model associated with the object * from the content model associated with the object
*/ */
function createExtraFieldsets($pid, $contentModel) { function createExtraFieldsets($pid, $contentModel, $page_number ) {
//$models = $collectionHelper->getContentModels($collectionPid, FALSE); //$models = $collectionHelper->getContentModels($collectionPid, FALSE);
// possible problem in below if the collection policy has multiple content models // possible problem in below if the collection policy has multiple content models
//with different pids but same dsid we could get wrong one, low probability and functionality //with different pids but same dsid we could get wrong one, low probability and functionality
@ -884,7 +765,7 @@ class ObjectHelper {
$output = ''; $output = '';
module_load_include('inc', 'fedora_repository', 'ContentModel'); module_load_include('inc', 'fedora_repository', 'ContentModel');
if (($cm = ContentModel :: loadFromModel($contentModel)) !== FALSE & & $cm->validate()) { if (($cm = ContentModel :: loadFromModel($contentModel)) !== FALSE & & $cm->validate()) {
$output .= $cm->displayExtraFieldset($pid); $output .= $cm->displayExtraFieldset($pid, $page_number );
} }
return $output; return $output;
} }
Alexander O'Neill
14 years ago
