Drupal modules for browsing and managing Fedora-based digital repositories.
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<?php
// $Id$
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
function fedora_ilives_menu() {
$items = array();
$items['fedora/ilives'] = array(
'title' => t('Book view'),
'page callback' => 'fedora_ilives_create_book_view',
'type' => MENU_CALLBACK,
'access arguments' => array('view fedora collection'),
);
$items['fedora/ilives_book_viewer'] = array(
'title' => t('Book viewer'),
'page callback' => 'fedora_ilives_book_viewer',
'type' => MENU_CALLBACK,
'access arguments' => array('view fedora collection'),
);
$items['fedora/ilives_book_search'] = array(
'title' => t('Book viewer'),
'page callback' => 'fedora_ilives_book_search',
'type' => MENU_CALLBACK,
'access arguments' => array('view fedora collection'),
);
$items['fedora/ilives_page_search'] = array(
'title' => t('Book viewer'),
'page callback' => 'fedora_ilives_page_search',
'type' => MENU_CALLBACK,
'access arguments' => array('view fedora collection'),
);
// This block defines the path and the corresponding callback function.
$items['fedora/ilives/retrieve_unapi/js'] = array(
'page callback' => 'fedora_ilives_button_retrieve_unapi_ahah', // the AHAH callback function
'access arguments' => array('add fedora datastreams'),
'type' => MENU_CALLBACK,
);
return $items;
}
//function fedora_ilives_book_search($query) {
//}
//function fedora_ilives_page_search($query) {
//}
function fedora_ilives_block($op = 'list', $delta = 0, $edit = array()) {
// The $op parameter determines what piece of information is being requested.
switch ($op) {
case 'list':
// If $op is "list", we just need to return a list of block descriptions.
// This is used to provide a list of possible blocks to the administrator,
// end users will not see these descriptions.
$blocks[0] = array(
'info' => t('Book search block'),
);
$blocks[1] = array(
'info' => t('Image rotator and tagger'),
);
$blocks[2] = array(
'info' => t('Simple book search block'),
);
return $blocks;
case 'configure':
// If $op is "configure", we need to provide the administrator with a
// configuration form. The $delta parameter tells us which block is being
// configured. In this example, we'll allow the administrator to customize
// the text of the first block.
// If $op is "configure", we need to provide the administrator with a
// configuration form. The $delta parameter tells us which block is being
// configured. In this example, we'll allow the administrator to customize
// the text of the first block.
$form = array();
switch ($delta) {
case 0:
// All we need to provide is a text field, Drupal will take care of
// the other block configuration options and the save button.
$form['fedora_ilives_book_search_block_repeat'] = array(
'#type' => 'textfield',
'#title' => t('Number of times to repeat search fields'),
'#size' => 5,
'#description' => t('The number of times you would like the search blocks to be repeated'),
'#default_value' => variable_get('fedora_ilives_book_search_block_repeat', t('3')),
);
break;
case 1:
// This is the image rotator block.
$form['fedora_ilives_image_rotator_block_query'] = array(
'#type' => 'textarea',
'#title' => t('ITQL Query'),
'#description' => t('The ITQL query to return a list of images.'),
'#default_value' => variable_get('fedora_ilives_image_rotator_tagger_block_query', 'select $object $title from <#ri>
where $object <info:fedora/fedora-system:def/relations-external#isMemberOfCollection> <info:fedora/ilives:figures>
and $object <fedora-model:state> <info:fedora/fedora-system:def/model#Active>
and $object <dc:title> $title'),
);
break;
case 2:
// All we need to provide is a text field, Drupal will take care of
// the other block configuration options and the save button.
$form['fedora_ilives_simple_book_search_block_title'] = array(
'#type' => 'textfield',
'#title' => t('Title'),
'#size' => 15,
'#description' => t('The title of the block'),
'#default_value' => variable_get('fedora_ilives_simple_book_search_block_title', t('Title')),
);
break;
}
return $form;
case 'save':
// If $op is "save", we need to save settings from the configuration form.
// Since the first block is the only one that allows configuration, we
// need to check $delta to make sure we only save it.
switch ($delta) {
case 0:
// Have Drupal save the string to the database.
variable_set('fedora_ilives_book_search_block_repeat', $edit['fedora_ilives_book_search_block_repeat']);
break;
case 1:
variable_set('fedora_ilives_image_rotator_tagger_block_query', $edit['fedora_ilives_image_rotator_block_query']);
break;
case 2:
// Have Drupal save the string to the database.
variable_set('fedora_ilives_simple_book_search_block_title', $edit['fedora_ilives_simple_book_search_block_title']);
break;
}
return;
case 'view': default:
// If $op is "view", then we need to generate the block for display
// purposes. The $delta parameter tells us which block is being requested.
switch ($delta) {
case 0:
// The subject is displayed at the top of the block. Note that it
// should be passed through t() for translation.
$block['subject'] = t('Book advanced search');
// The content of the block is typically generated by calling a custom
// function.
$block['content'] = drupal_get_form('fedora_ilives_book_search_form');
break;
case 1:
module_load_include('inc', 'fedora_ilives', 'image_rotator_tagger_block');
$block['subject'] = t('Random repository image');
$block['content'] = _fedora_image_rotator_tagger_block_content();
break;
case 2:
// The subject is displayed at the top of the block. Note that it
// should be passed through t() for translation.
$block['subject'] = t('Simple Book Search');
// The content of the block is typically generated by calling a custom
// function.
$block['content'] = drupal_get_form('fedora_ilives_simple_book_search_form');
break;
}
return $block;
}
}
function fedora_ilives_book_viewer($pid) {
global $user;
$qs = '';
if ($user->uid != 0) {
// $qs = '?uid=' . base64_encode($user->name . ':' . $user->sid);
$qs = '?uid=' . base64_encode($user->name . ':' . $user->pass);
}
$viewer_url = variable_get('fedora_base_url', '') . '/get/' . $pid . '/ilives:viewerSdef/getViewer' . $qs;
$html = '<iframe src="' . $viewer_url . '" frameborder="0" scrolling="no" style="width: 100%; height: 800px;">Errors: unable to load viewer</iframe>';
$fieldset = array(
'#title' => t('Viewer - ') . $pid,
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'#value' => $html);
drupal_add_css(path_to_theme() . '/header-viewer.css', 'theme');
return theme('fieldset', $fieldset);
}
//loads an xslt for the main book page uses mods for most of the display. if there is a $query parameter
// it will execute it against the book.
function fedora_ilives_create_book_view($pid, $query = NULL) {
global $user;
module_load_include('inc', 'fedora_repository', 'ObjectHelper');
$path = drupal_get_path('module', 'Fedora_Repository');
$objectHelper = new ObjectHelper;
$xml = $objectHelper->getStream($pid, 'MODS');
$dc_xml = $objectHelper->getStream($pid, 'DC');
if (!$dc_xml) {
drupal_set_message(t('Object does not exist.'), 'error');
return '';
}
$simpleDCxml = simplexml_load_string($dc_xml);
$types = $simpleDCxml->xpath('//dc:type');
$ingested = 'false';
if (!empty($types)) {
foreach ($types as $type) {
if ($type == 'ingested') {
$ingested = 'true';
}
}
}
if (!isset($pid)) {
drupal_set_message(t('Error getting book view, no identifier specified.'));
return;
}
$proc = NULL;
try {
$proc = new XsltProcessor();
} catch (Exception $e) {
drupal_set_message(t('Error loading Book View XSLT: $e', array('!e' => $e->getMessage())));
return;
}
//inject into xsl stylesheet
$proc->setParameter('', 'userID', $user->uid);
$proc->setParameter('', 'objectsPage', base_path());
$proc->setParameter('', 'pid', $pid);
$proc->setParameter('', 'ingested', $ingested);
$xsl = new DomDocument();
$test = $xsl->load($path . '/ilives/xsl/book_view.xsl');
if (!isset($test)) {
drupal_set_message(t('Error loading search results XSLT.'));
return t('Error loading search results XSLT.');
}
$input = new DomDocument();
$didLoadOk = $input->loadXML($xml);
$output = NULL;
if (!isset($didLoadOk)) {
drupal_set_message(t('Error loading Book View XML.'));
return t('Error loading Book View XML.');
}
else {
$xsl = $proc->importStylesheet($xsl);
$newdom = $proc->transformToDoc($input);
$output .= $newdom->saveXML();
}
if (isset($query)) {
module_load_include('inc', 'fedora_repository', 'SearchClass');
$searchClass = new SearchClass();
$pageQuery = convert_query_to_page_query($query, $pid);
$output .= '<div>' . $searchClass->custom_search($pageQuery, $startPage, '/ilives/xsl/pageResults.xsl', 500) . '</div>'; //limit results to 500 pages of a book since there is no paging if we enable paging in xslt this can be changed
//return $output."<div>used this query to find this page $query and new query = $pageQuery</div>";
return $output;
}
else {
return $output;
}
}
function convert_query_to_page_query($query, $pid) {
$newQuery = substr($query, 0, strlen($query) - 23);
$pid = str_replace(':', '?', $pid);
$newQuery = $newQuery . " AND PID:$pid* AND dc.type:Text";
//$newQuery=htmlentities(urlencode($newQuery));
return $newQuery;
}
/**
* Custom form element to do our nice images.
*/
function fedora_ilives_elements() { // Change this line
$type['imagebutton'] = array(
'#input' => TRUE,
'#button_type' => 'submit',
'#executes_submit_callback' => TRUE,
'#name' => 'op',
'#process' => array('hook_imagebutton_process' => array()),
);
return $type;
}
function theme_imagebutton($element) {
return '<input style="background:url(\'\'); border:0px; width:10px; padding:0px,0px,0px,0px;" type="image" class="form-' . $element['#button_type'] . '" name="' . $element['#name'] . '" id="' . $element['#id'] . '" value="' . check_plain($element['#default_value']) . '" ' . drupal_attributes($element['#attributes']) . ' src="' . $element['#image'] . '" alt="' . $element['#title'] . '" title="' . $element['#title'] . "\" />\n";
}
/**
* Implementation of hook_theme() to register how to theme image buttons.
*/
function fedora_ilives_theme() {
return array(
'imagebutton' => array(
'arguments' => array('form' => NULL),
),
'fedora_ilives_book_search_form' => array(
'arguments' => array('form' => NULL),
),
'fedora_ilives_simple_book_search_form' => array(
'arguments' => array('form' => NULL),
)
);
}
//return array(
// 'fedora_repository_mnpl_advanced_search_form' => array(
// 'arguments' => array('form' => NULL)
// )
// );
function theme_fedora_ilives_book_search_form($form) {
module_load_include('inc', 'fedora_repository', 'SearchClass');
$advanced_search_form = new SearchClass();
$repeats = variable_get('fedora_ilives_book_search_block_repeat', t('3'));
return $advanced_search_form->theme_advanced_search_form($form, $repeats);
}
function fedora_ilives_simple_book_search_form($form) {
$form = array();
$form['search_type']['type1'] = array(
'#title' => t(''),
'#type' => 'hidden',
'#default_value' => 'tei.fullText'
);
$form['fedora_terms1'] = array(
'#size' => '24',
'#type' => 'textfield',
'#title' => t(''),
'#required' => TRUE,
'#default_value' => ''
);
$form['submit'] = array(
'#type' => 'submit',
'#value' => t('search')
);
return $form;
}
function fedora_ilives_simple_book_search_form_submit($form, &$form_state) {
$type_id = $form_state['values']['type'];
$searchString = $form_state['values']['type1'] . ':' . $form_state['values']['fedora_terms1'];
$searchString = trim($searchString) . '+AND+dc.type:collection';
$form_state['redirect'] = "fedora/ilives_book_search/$searchString";
//drupal_goto("fedora/ilives_book_search/$searchString");
}
function fedora_ilives_book_search_form() {
module_load_include('inc', 'fedora_repository', 'SearchClass');
$searchClass = new SearchClass();
$repeats = variable_get('fedora_ilives_book_search_block_repeat', t('3'));
$path = drupal_get_path('module', 'Fedora_Repository') . '/ilives';
$query = NULL;
if (arg(1) == 'ilives_book_search' && arg(2) != 'dc.type:ingested') {
$length = strlen(arg(2));
if (($test = strpos(arg(2), 'dc.type:collection')) > 0) {
$length = $test - 5; //get rid of the AND
}
$query = trim(substr(arg(2), 0, $length));
}
return $searchClass->build_advanced_search_form($repeats, $path, $query);
}
function fedora_ilives_book_search_form_submit($form, &$form_state) {
$type_id = $form_state['values']['type'];
$repeat = variable_get('fedora_ilives_book_search_block_repeat', t('3'));
$searchString = $form_state['values']['type1'] . ':' . $form_state['values']['fedora_terms1'];
if ($form_state['values']['fedora_terms2'] != '') {
$searchString .= '+' . $form_state['values']['andor1'] . '+' . $form_state['values']['type2'] . ':' . $form_state['values']['fedora_terms2'];
}
if ($repeat > 2 && $repeat < 9) {
for ($i = 3; $i < $repeat + 1; $i++) {
$t = $i - 1;
if ($form_state['values']["fedora_terms$i"] != '') {
$searchString .= '+' . $form_state['values']["andor$t"] . '+' . $form_state['values']["type$i"] . ':' . $form_state['values']["fedora_terms$i"];
}
}
}
$searchString = trim($searchString) . '+AND+dc.type:collection';
$form_state['redirect'] = "fedora/ilives_book_search/$searchString";
//drupal_goto("fedora/ilives_book_search/$searchString");
}
function fedora_ilives_book_search($query, $startPage = 1) {
module_load_include('inc', 'fedora_repository', 'SearchClass');
$searchClass = new SearchClass();
return $searchClass->custom_search($query, $startPage, '/ilives/xsl/results.xsl', 10);
}
function retrieve_unapi_MODS_record($url) {
$bib_response = drupal_http_request($url);
$bib_html = $bib_response->data;
$bib_doc = new DOMDocument;
@$bib_doc->loadHTML($bib_html);
$links = $bib_doc->getElementsByTagName('link');
foreach ($links as $link) {
if ($link->getAttribute('rel') == 'unapi-server') {
$unapi_server = $link->getAttribute('href');
break;
}
}
$attrs = $bib_doc->getElementsByTagName('abbr');
foreach ($attrs as $attr) {
if ($attr->getAttribute('class') == 'unapi-id') {
$unapi_id = $attr->getAttribute('title');
break;
}
}
$mods_url = "$unapi_server?id=$unapi_id&format=mods3";
$mods_resp = drupal_http_request($mods_url);
$mods_data = $mods_resp->data;
return $mods_data;
}
/**
* AHAH callback for the 'match type' select.
* This function handles the actual replace and sets the $form and $form_state arrays.
* */
function fedora_ilives_button_retrieve_unapi_ahah() {
// this part is used to set up $form_state.
// In Drupal 7, these next 11 lines will be put in a core utility function.
// Just remember you'll need them in D6 when you do AHAH.
$form_state = array('storage' => NULL, 'submitted' => FALSE);
$form_build_id = $_POST['form_build_id'];
$form = form_get_cache($form_build_id, $form_state);
$args = $form['#parameters'];
$form_id = array_shift($args);
$form['#post'] = $_POST;
$form['#redirect'] = FALSE;
$form['#programmed'] = FALSE;
$form_state['post'] = $_POST;
drupal_process_form($form_id, $form, $form_state);
$form_state['storage']['step'] = 2;
$form = drupal_rebuild_form($form_id, $form_state, $args, $form_build_id);
// From here on, we'll add our own code.
// We just get the element of $form that needs to be refreshed, and just resubmit that
// part through the json call. In this case we want to rebuild the 'kind' <div> wrapper and the
// select box it contains
$changed_elements = $form['mods']['mods_record'];
unset($changed_elements['#prefix'], $changed_elements['suffix']); // we'll unset the div to make sure it won't be repeated!
// the actual JSON call
$javascript = drupal_add_js(NULL, NULL, 'header');
drupal_json(array(
'status' => TRUE,
'data' => theme('status_messages') . drupal_render($changed_elements), // rebuild just the part that needs to be changed
'settings' => call_user_func_array('array_merge_recursive', $javascript['setting']),
));
}
/**
* This is the handler for the 'type' box: pressing this will refresh the <div> kind wrapper.
* */
function fedora_ilives_retrieve_unapi_submit($form, &$form_state) {
unset($form_state['submit_handlers']); // unset all the submit handlers in the form
form_execute_handlers('submit', $form, $form_state); // execute submit handler
$url = $form_state['values']['unapi_url'];
$mods = retrieve_unapi_MODS_record($url);
$form_state['values']['mods']['mods_record'] = $mods;
$mods_save = $form_state['values']; // store all the submitted values in the form
$form_state['mods_save'] = $mods_save; // put the values in a new form
$form_state['rebuild'] = TRUE; // set to true to make sure the form gets rebuild
return $mods_save;
}
function fedora_ilives_form_alter(&$form, &$form_state, $form_id) {
if ($form_id == 'fedora_repository_admin') {
# Custom settings for book module.
}
elseif ($form_id == 'fedora_repository_demo_objects_form') {
if (!Fedora_Item::fedora_item_exists('ilives:bookCModel')) {
$form['install_demos']['demo_collections']['#options']['ilives:bookCModel'] = 'Book-related content models and service objects';
$form['install_demos']['ingest']['#disabled'] = FALSE;
$form['#submit'][] = 'fedora_ilives_install_demos_form_submit';
}
else {
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
$book_item = new Fedora_Item('ilives:bookCModel');
$form['existing_demos']['ilives:bookCModel'] = array(
'#prefix' => '<li>',
'#value' => l($book_item->pid, $book_item->url()),
'#suffix' => '</li>',
);
}
}
}
function fedora_ilives_install_demos_form_submit($form, &$form_state) {
if ($form_state['values']['demo_collections']['ilives:bookCModel'] == 'ilives:bookCModel') {
# The ilives:bookCModel checkbox was checked
install_book_content_model_objects();
}
}
/**
* Implementation of hook_requirements().
*
* @return
* An array describing the status of the site regarding available updates.
* If there is no update data, only one record will be returned, indicating
* that the status of core can't be determined. If data is available, there
* will be two records: one for core, and another for all of contrib
* (assuming there are any contributed modules or themes enabled on the
* site). In addition to the fields expected by hook_requirements ('value',
* 'severity', and optionally 'description'), this array will contain a
* 'reason' attribute, which is an integer constant to indicate why the
* given status is being returned (UPDATE_NOT_SECURE, UPDATE_NOT_CURRENT, or
* UPDATE_UNKNOWN). This is used for generating the appropriate e-mail
* notification messages during update_cron(), and might be useful for other
* modules that invoke update_requirements() to find out if the site is up
* to date or not.
*
* @see _update_message_text()
* @see _update_cron_notify()
*/
function fedora_ilives_requirements($phase) {
global $base_url;
if ($phase == 'runtime') {
module_load_include('inc', 'fedora_repository', 'api/fedora_utils');
$requirements['iiv-war'] = array();
$requirements['iiv-war']['title'] = t("Islandora OpenLayers image viewer web app");
if (!_fedora_ilives_viewer_available()) {
$requirements['iiv-war']['value'] = ("Not available");
$requirements['iiv-war']['severity'] = REQUIREMENT_ERROR;
$requirements['iiv-war']['description'] = t('Ensure that Fedora is running and that the <a href="@iiv-home">IIV</a> app is deployed.',
array('@iiv-home' => 'http://github.com/islandora/iiv'));
}
else {
$requirements['iiv-war']['value'] = ("Available");
$requirements['iiv-war']['severity'] = REQUIREMENT_OK;
}
}
return $requirements;
}
function _fedora_ilives_viewer_available() {
$url = parse_url(variable_get('fedora_base_url', 'http://localhost:8080/fedora'));
$fedora_host = ("{$url['scheme']}://{$url['host']}" . (!empty($url['port']) ? ":{$url['port']}/" : '/'));
$response = drupal_http_request("$fedora_host/iiv/images/loading.gif");
return empty($response->error);
}
function fedora_ilives_required_fedora_objects() {
// array( 'path-to-foxml-file', 'pid', 'dsid', 'path-to-datastream-file', int dsversion, boolean required)
$module_path = drupal_get_path('module', 'fedora_ilives');
return array(
'fedora_ilives' => array(
'module' => 'fedora_ilives',
'title' => 'Island Lives Books',
'objects' => array(
array(
'foxml_file' => "$module_path/xml/ilives_pageCModel.xml",
'pid' => 'ilives:pageCModel',
'dsid' => NULL,
'datastream_file' => NULL,
'dsversion' => NULL,
),
array(
'foxml_file' => "$module_path/xml/ilives_bookCModel.xml",
'pid' => 'ilives:bookCModel',
'dsid' => NULL,
'datastream_file' => NULL,
'dsversion' => NULL,
),
array(
'foxml_file' => "$module_path/xml/ilives_jp2Sdef.xml",
'pid' => 'ilives:jp2Sdef',
'dsid' => NULL,
'datastream_file' => NULL,
'dsversion' => NULL,
),
array(
'foxml_file' => "$module_path/xml/ilives_viewerSdef.xml",
'pid' => 'ilives:viewerSdef',
'dsid' => NULL,
'datastream_file' => NULL,
'dsversion' => NULL,
),
array(
'foxml_file' => "$module_path/xml/ilives_viewerSdep-bookCModel.xml",
'pid' => 'ilives:viewerSdep-bookCModel',
'dsid' => NULL,
'datastream_file' => NULL,
'dsversion' => NULL,
),
array(
'foxml_file' => "$module_path/xml/ilives_viewerSdep-pageCModel.xml",
'pid' => 'ilives:viewerSdep-pageCModel',
'dsid' => NULL,
'datastream_file' => NULL,
'dsversion' => NULL,
),
array(
'foxml_file' => "$module_path/xml/ilives_tei2htmlSdef.xml",
'pid' => 'ilives:tei2htmlSdef',
'dsid' => NULL,
'datastream_file' => NULL,
'dsversion' => NULL,
),
array(
'foxml_file' => "$module_path/xml/ilives_tei2htmlSdep-pageCModel.xml",
'pid' => 'ilives:tei2htmlSdep-pageCModel',
'dsid' => NULL,
'datastream_file' => NULL,
'dsversion' => NULL,
),
array(
'foxml_file' => "$module_path/xml/ilives_collection.xml",
'pid' => 'ilives:collection',
'dsid' => NULL,
'datastream_file' => NULL,
'dsversion' => NULL,
),
array(
'foxml_file' => "$module_path/xml/ilives_CollectionModel.xml",
'pid' => 'ilives:CollectionModel',
'dsid' => NULL,
'datastream_file' => NULL,
'dsversion' => NULL,
),
array(
'pid' => 'books:collection',
'label' => 'Book Collection',
'cmodel' => 'islandora:collectionCModel',
'parent' => 'islandora:demos',
'datastreams' => array(
array(
'dsid' => 'COLLECTION_POLICY',
'datastream_file' => "$module_path/xml/book_collection_policy.xml",
),
array(
'dsid' => 'TN',
'datastream_file' => "$module_path/Crystal_Clear_mimetype_man.png",
'mimetype' => 'image/png',
),
),
),
),
),
);
}
function fedora_ilives_purge_pages_form(&$form_state, $pid, $referrer = NULL) {
global $base_url;
if (!user_access('purge objects and datastreams')) {
return NULL;
}
if ($pid == NULL) {
return NULL;
}
$form['pid'] = array(
'#type' => 'hidden',
'#value' => "$pid"
);
if (!strstr(drupal_get_destination(), urlencode('fedora/repository'))) {
$form['referrer'] = array(
'#type' => 'hidden',
'#value' => $referrer,
);
}
if (!isset($form_state['storage']['confirm'])) {
// do your normal $form definition here
$form['submit'] = array(
'#type' => 'image_button',
'#src' => drupal_get_path('module', 'fedora_repository') . '/images/purge_big.png',
'#value' => t('Purge'),
'#suffix' => 'Purge all pages associated with this book',
);
return $form;
}
else {
// ALSO do $form definition here. Your final submit handler (after user clicks Yes, I Confirm) will only see $form_state info defined here. Form you create here passed as param1 to confirm_form
return confirm_form($form, 'Confirm Purge ALL pages?', $referrer, 'Are you sure you want to delete these objects? This action cannot be undone.', 'Purge Pages', 'Cancel'); //Had better luck leaving off last param 'name'
}
return $form;
}
function fedora_ilives_purge_pages_form_submit($form, &$form_state) {
module_load_include('inc', 'fedora_repository', 'ConnectionHelper');
$pid = $form_state['values']['pid'];
if (!isset($form_state['storage']['confirm'])) {
$form_state['storage']['confirm'] = TRUE; // this will cause the form to be rebuilt, entering the confirm part of the form
$form_state['rebuild'] = TRUE; // along with this
}
else {
$query = <<<XML
select \$object \$title from <#ri>
where (\$object <dc:title> \$title
and \$object <fedora-rels-ext:isMemberOf> <info:fedora/$pid>
and \$object <fedora-model:state> <info:fedora/fedora-system:def/model#Active>)
order by \$title
XML;
// this is where you do your processing after they have pressed the confirm button
module_load_include('inc', 'fedora_repoitory', 'CollectionClass');
$collection = new CollectionClass($pid);
$contents = $collection->getRelatedItems($pid, $query);
$results_xml = simplexml_load_string($contents);
$resultsarray = array();
foreach ($results_xml->results->result as $result) {
$pid_to_delete = str_replace('info:fedora/', '', $result->object->attributes()->uri);
//parse contents
$params = array(
"pid" => $pid_to_delete,
"logMessage" => "Purged",
"force" => ""
);
try {
$soapHelper = new ConnectionHelper();
$client = $soapHelper->getSoapClient(variable_get('fedora_soap_manage_url', 'http://localhost:8080/fedora/services/management?wsdl'));
$object = $client->__soapCall('purgeObject', array($params));
unset($form_state['storage']['confirm']);
} catch (exception $e) {
if (preg_match('/org\.fcrepo\.server\.security\.xacml\.pep\.AuthzDeniedException/', $e->getMessage())) {
drupal_set_message(t('Error: Insufficient permissions to purge object.'), 'error');
}
else {
drupal_set_message(t($e->getMessage()), 'error');
}
return;
}
}
if (!empty($form_state['values']['referrer'])) {
$form_state['redirect'] = $form_state['values']['referrer'];
}
elseif (empty($collectionPid) && !empty($_SESSION['fedora_collection']) && $_SESSION['fedora_collection'] != $pid) {
$collectionPid = $_SESSION['fedora_collection'];
$form_state['redirect'] = "fedora/repository/$collectionPid/";
}
else {
$form_state['redirect'] = 'fedora/repository/';
}
}
}