array( "name" => "Hidden", "module" => "fedora_repository", "file" => "ObjectDetails.inc", "function" => "fedora_repository_object_details_hidden", "description" => t("No object details page"), ), 'xslt' => array( "name" => "XSLT", "module" => "fedora_repository", "file" => "ObjectDetails.inc", "function" => "fedora_repository_object_details_xslt", "description" => t("Show a datastream with an XSLT"), "config" => "admin/settings/fedora_repository/object_details_xslt", ), 'table' => array( "name" => "Table", "module" => "fedora_repository", "file" => "ObjectDetails.inc", "function" => "fedora_repository_object_details_table", "description" => t("Show a datastream with a table"), "config" => "admin/settings/fedora_repository/object_details_table", ) ); return $profiles; } /** * The renderer for the "hidden" display mode. In this mode, no data is * displayed. This is supplied so you can disable the object details metadata * display without disabling the tab entirely. * @param item The item with the metadata to display. * @return The fully composed object details metadata display. */ function fedora_repository_object_details_hidden($item) { // do nothing return ""; } /** * The renderer for the "xslt" display mode. In this mode, an xslt is applied * to the selected datastream to produce a user defined look and feel to the * output data. * @param item The item with the metadata to display. * @return The fully composed object details metadata display. */ function fedora_repository_object_details_XSLT($item) { global $base_url; $path = drupal_get_path('module', 'fedora_repository'); module_load_include('inc', 'fedora_repository', 'ConnectionHelper'); $dsid = variable_get('islandora_object_details_xslt_datastream', 'DC'); // special case for DC+QDC for backward compatibility if ($dsid == 'DC' || $dsid == 'QDC') { $dsid = array_key_exists('QDC', $item->get_datastreams_list_as_array()) ? 'QDC' : 'DC'; } $xmlstr = $item->get_datastream_dissemination($dsid); if (empty($xmlstr)) { return t('Error - could not find datastream @dsid on object @pid
Please contact the site administrator.', array('@dsid' => $dsid, '@pid' => $item->pid)); } try { $proc = new XsltProcessor(); } catch (Exception $e) { watchdog('fedora_repository', "Error while creating XSLT processor: @e", array('@e' => $e->getMessage()), WATCHDOG_ERROR); return; } $proc->setParameter('', 'baseUrl', $base_url); $proc->setParameter('', 'path', $path); $input = NULL; $xsl_file = variable_get('islandora_object_details_xslt_sheet', 'sites/all/modules/islandora/object_details_xslts/convertQDC.xsl'); // set an error message in case xslt parsing fails $output = t("Failed to parse xslt file at @xsltFile", array('@xsltFile' => $xsl_file)); if (is_readable($xsl_file)) { $xsl = new DomDocument(); $input = new DomDocument(); try { $xsl->load($xsl_file); $input->loadXML(trim($xmlstr)); } catch (Exception $e) { watchdog('fedora_repository', "Problem loading XSL file: @e", array('@e' => $e->getMessage()), NULL, WATCHDOG_ERROR); } $xsl = $proc->importStylesheet($xsl); $newdom = $proc->transformToDoc($input); $output = $newdom->saveHTML(); } return $output; } /** * The renderer for the "table" display mode. In this mode, the requested * datastream is rendered using a simple table with keys(tags) on the left and * values on the right. * @param item The item with the metadata to display. * @return The fully composed object details metadata display. */ function fedora_repository_object_details_table($item) { global $base_url; $path = drupal_get_path('module', 'fedora_repository'); module_load_include('inc', 'fedora_repository', 'ConnectionHelper'); $dsid = variable_get('islandora_object_details_table_datastream', 'DC'); // special case for DC+QDC for backward compatibility if ($dsid == 'DC' || $dsid == 'QDC') { $dsid = array_key_exists('QDC', $item->get_datastreams_list_as_array()) ? 'QDC' : 'DC'; } $xmlstr = $item->get_datastream_dissemination($dsid); if (empty($xmlstr)) { return t('Error - could not find datastream @dsid on object @pid
Please contact the site administrator.', array('@dsid' => $dsid, '@pid' => $item->pid)); } $simplexml = new SimpleXMLElement($xmlstr); $headers = array( array( 'data' => t('Metadata'), 'colspan' => 2, ), ); $rows = array(); foreach ($simplexml->getNamespaces(TRUE) as $ns) { foreach ($simplexml->children($ns) as $child) { $rows[] = array( array( 'data' => $child->getName(), 'class' => 'dc-tag-name', ), array( 'data' => (string)$child, 'class' => 'dc-content', ), ); } } return theme('table', $headers, $rows, array('class' => 'dc-table')); } /** * Configuration page for the xslt display mode. * * This mode requires two parameters: the datastream to render, and the xslt to * apply to it. * * @return * The configuration page. */ function fedora_repository_object_details_XSLT_config() { $form = array(); $form['config'] = array( '#type' => 'fieldset', '#title' => t("XSLT display options"), ); $options = module_invoke_all("object_details_get_available_xslts"); $form['config']['xslt'] = array( '#type' => 'select', '#title' => t("XSL transform to use"), '#default_value' => variable_get('islandora_object_details_xslt_sheet', 'sites/all/modules/islandora/object_details_xslts/convertQDC.xsl'), '#options' => $options, '#key_type' => 'associative', '#required' => TRUE, ); $form['config']['dsid'] = array( '#type' => 'textfield', '#title' => t("Datastream to transform"), '#default_value' => variable_get('islandora_object_details_xslt_datastream', 'DC'), '#required' => TRUE, ); $form['submit'] = array( '#type' => 'submit', '#value' => t("Submit"), '#weight' => 1, ); return $form; } /** * Custom submit handler for the xslt configuration page. * * @param $form * @param &$form_state * The user supplied values for the form. */ function fedora_repository_object_details_XSLT_config_submit($form, &$form_state) { variable_set('islandora_object_details_display_table', 'xslt'); variable_set('islandora_object_details_xslt_sheet', $form_state['values']['xslt']); variable_set('islandora_object_details_xslt_datastream', $form_state['values']['dsid']); drupal_set_message('Object Details view has been set to XSLT and your configuration has been saved'); } /** * Base function to supply the available xslt files. * * Modules implementing this hook need to return an array describing where the * XSLT is. The array key is the path to the XSLT (paths start with sites/) and * the value in the array is the display name. In the simplest form you can use * file_scan_directory like we do here - this puts the filename as the display * name and will automatically detect new files as they are added. */ function fedora_repository_object_details_get_available_xslts() { $folder = drupal_get_path("module", "fedora_repository") ."/object_details_xslts/"; // retrieve the filenames from the system $xslts = file_scan_directory($folder, ".xsl"); $options = array(); foreach ($xslts as $xsl) { $options[$xsl->filename] = $xsl->basename; } return $options; } /** * Configuration page for the table display mode. This mode requires only one * parameter: the datastream to render. * * @return * The configuration page. */ function fedora_repository_object_details_table_config() { $form = array(); $form['config'] = array( '#type' => 'fieldset', '#title' => t("Table display options"), ); $form['config']['dsid'] = array( '#type' => 'textfield', '#title' => t("Datastream to transform"), '#default_value' => variable_get('islandora_object_details_table_datastream', 'DC'), '#required' => TRUE, ); $form['submit'] = array( '#type' => 'submit', '#value' => t("Submit"), '#weight' => 1, ); return $form; } /** * Custom submit handler for the table configuration page. * * @param $form * @param &$form_state * The user supplied values for the form. */ function fedora_repository_object_details_table_config_submit($form, &$form_state) { variable_set('islandora_object_details_display_table', 'table'); variable_set('islandora_object_details_table_datastream', $form_state['values']['dsid']); drupal_set_message('Object Details view has been set to Table and your configuration has been saved'); }