Drupal modules for browsing and managing Fedora-based digital repositories.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

140 lines
5.9 KiB

<?php
/*
* @file islandora_basic_image.module
*
* an Islandora module to handle basic image cmodels
*
*
* This file is part of Islandora.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the program. If not, see <http ://www.gnu.org/licenses/>.
*/
/**
* Theme registry function
* We supply a pattern so we can overide templates at the theme level if needed.
* we can append a pid to a template and the new template file will be called (the pids
* colon should be replaced with a dash)
* @return array
*/
function islandora_basic_collection_theme($existing, $type, $theme, $path) {
return array(
'islandora_basic_collection' => array(
'template' => 'islandora-basic-collection',
'pattern' => 'islandora_basic_collection__', //we can add pids to the end of this pattern in our preprocess function
// and templates will be able to have have a pid appended to the template name to overide a template on a per object basis
//an example template would be named islandora-basic-image--islandora-27.tpl.phps
'variables' => array('islandora_object' => NULL),
)
);
}
/**
* tells the main module what types of objects we support. This is used to determine whether or not
* this module should attempt to respond.
* @return array
* array of content model pids that this module supports
*/
function islandora_basic_collection_islandora_get_types() {
$types = array();
$types['info:fedora/islandora:collectionCModel'][ISLANDORA_VIEW_HOOK] = TRUE;
$types['info:fedora/islandora:collectionCModel'][ISLANDORA_EDIT_HOOK] = FALSE;
return $types;
}
/**
* this modules implentation of view_object hook will handle objects of type islandora:basicImageCModel and info:fedora/islandora:sp_basic_image
* as registered in its return types
* Other modules would handle objects of other types.
* @param Object $object
* a tuque fedora object
* @param object $user
* @param string $page_number
* @param string $page_size
* @return string
* themed html
*/
function islandora_basic_collection_islandora_view_object($object, $user, $page_number, $page_size) {
//global $user;
$cmodel_list = islandora_basic_collection_islandora_get_types();
$models = $object->models;
foreach ($object->models as $model) {
if ($cmodel_list[$model][ISLANDORA_VIEW_HOOK] == TRUE) {
$output = theme('islandora_basic_collection', array('islandora_object' => $object));
return array('Basic Collection Output' => $output);
}
}
return NULL;
}
/**
*
* @global type $base_url
* @param array $variables
* an array of variables that will be passed to the theme function
*/
function islandora_basic_collection_preprocess_islandora_basic_collection(&$variables) {
$islandora_object = $variables['islandora_object'];
module_load_include('inc', 'islandora', 'utils/islandora_dublin_core');
try {
$dc = $islandora_object['DC']->content;
$dc_object = Dublin_Core::import_from_xml_string($dc);
} catch (Exception $e) {
drupal_set_message(t('Error retrieving object %s %t', array('%s' => $islandora_object->id, '%t' => $e->getMessage())), 'error');
}
$variables['islandora_associated_objects'] = islandora_basic_collection_get_objects($islandora_object);
$variables['islandora_dublin_core'] = $dc_object;
$variables['islandora_object_label'] = $islandora_object->label;
$variables['theme_hook_suggestions'][] = 'islandora_basic_collection__' . str_replace(':', '_', $islandora_object->id);
global $base_url;
if (isset($islandora_object['OBJ'])) {
$variables['islandora_image_url'] = $base_url . '/islandora/object/' . $islandora_object->id . '/datastream/OBJ/view';
}
if (isset($islandora_object['TN'])) {
$variables['islandora_thumbnail_url'] = $base_url . '/islandora/object/' . $islandora_object->id . '/datastream/TN/view';
}
if (isset($islandora_object['MEDIUM_SIZE'])) {
$variables['islandora_medium_size_url'] = $base_url . '/islandora/object/' . $islandora_object->id . '/datastream/MEDIUM_SIZE/view';
}
}
function islandora_basic_collection_get_objects($object) {
$query = 'select $object $title $content from <#ri>
where ($object <fedora-model:label> $title
and $object <fedora-model:hasModel> $content
and ($object <fedora-rels-ext:isMemberOfCollection> <info:fedora/' . $object->id . '>
or $object <fedora-rels-ext:isMemberOf> <info:fedora/' . $object->id . '>)
and $object <fedora-model:state> <info:fedora/fedora-system:def/model#Active>)
minus $content <mulgara:is> <info:fedora/fedora-system:FedoraObject-3.0>
order by $title';
$page_number = (empty($_GET['page'])) ? '1' : $_GET['page'];
$page_size = (empty($_GET['pagesize'])) ? '10' : $_GET['pagesize'];
module_load_include('inc', 'islandora', 'RestConnection');
$query_array = array('query' => $query, 'type' => 'itql', 'pid' => $object->id, 'page_size' => $page_size, 'page_number' => $page_number);
drupal_alter('islandora_basic_collection_query', $query_array);
global $user;
try {
$restConnection = new RestConnection($user);
$queryObject = new RepositoryQuery($restConnection->connection);
$results = $queryObject->query($query_array['query'], $query_array['type']);
} catch (Exception $e) {
drupal_set_message(t('Islandora Error getting related objects for %s', array('%s' => $object->id)), 'error');
return"";
}
return $results;
}