islandora_sp_text_html.module

<?php

/**
 * @file
 * Handles the creation and display of text/html files.
 */

/**
 * Implements hook_theme
 */
function islandora_sp_text_html_theme($existing, $type, $theme, $path)
{

    return [
        'islandora_sp_text_html' => [
            'template' => 'theme/islandora-sp-text-html',
        ],
    ];
}

/**
 * Implements hook_islandora_required_objects().
 */
function islandora_sp_text_html_islandora_required_objects(IslandoraTuque $connection)
{

    $modulePath = drupal_get_path('module', 'islandora_sp_text_html');

    // Content Model
    $contentModel         = $connection->repository->constructObject('islandora:sp_text_html');
    $contentModel->owner  = 'fedoraAdmin';
    $contentModel->label  = 'Islandora SP Text/HTML Content Model';
    $contentModel->models = 'fedora-system:ContentModel-3.0';

    // DS-COMPOSITE-MODEL Datastream
    $datastream           = $contentModel->constructDatastream('DS-COMPOSITE-MODEL', 'X');
    $datastream->label    = 'DS-COMPOSITE-MODEL';
    $datastream->mimetype = 'application/xml';
    $datastream->setContentFromFile($modulePath . '/xml/islandora_sp_text_html_ds_composite_model.xml', false);
    $contentModel->ingestDatastream($datastream);

    // Collection
    $collection         = $connection->repository->constructObject('islandora:sp_text_html_collection');
    $collection->owner  = 'fedoraAdmin';
    $collection->label  = 'Text/HTML collection';
    $collection->models = 'islandora:collectionCModel';
    $collection->relationships->add(FEDORA_RELS_EXT_URI, 'isMemberOfCollection', 'islandora:root');

    // Collection Policy
    $datastream           = $collection->constructDatastream('COLLECTION_POLICY', 'X');
    $datastream->label    = 'Collection policy';
    $datastream->mimetype = 'application/xml';
    $datastream->setContentFromFile($modulePath . '/xml/islandora_sp_text_html_collection_policy.xml', false);
    $collection->ingestDatastream($datastream);

    return [

        'islandora_sp_text_html' => [

            'title'   => 'Islandora SP Text/HTML',
            'objects' => [

                $contentModel,
                $collection,
            ],
        ],
    ];
}

/**
 * Implements hook_CMODEL_PID_islandora_view_object().
 */
function islandora_sp_text_html_islandora_sp_text_html_islandora_view_object($object, $page_number, $page_size)
{
    $output = theme('islandora_sp_text_html', array('islandora_object' => $object));
    return array('' => $output);
}

/**
 * Implements hook_preprocess_theme().
 */
function template_preprocess_islandora_sp_text_html(array &$variables)
{
    drupal_add_js('misc/form.js');
    drupal_add_js('misc/collapse.js');
    $islandora_object = $variables['islandora_object'];
    $repository = $islandora_object->repository;
    module_load_include('inc', 'islandora', 'includes/datastream');
    module_load_include('inc', 'islandora', 'includes/utilities');
    module_load_include('inc', 'islandora', 'includes/metadata');

    // We should eventually remove the DC object and dc_array code as it only
    // exists to not break legacy implementations.
    if (islandora_datastream_access(ISLANDORA_VIEW_OBJECTS, $islandora_object['DC'])) {
        try {
            $dc = $islandora_object['DC']->content;
            $dc_object = DublinCore::importFromXMLString($dc);
        } catch (Exception $e) {
            drupal_set_message(t('Error retrieving object %s %t', array('%s' => $islandora_object->id, '%t' => $e->getMessage())), 'error', FALSE);
        }
    }
    $variables['islandora_dublin_core'] = isset($dc_object) ? $dc_object : NULL;
    $variables['dc_array'] = isset($dc_object) ? $dc_object->asArray() : array();
    $variables['islandora_object_label'] = $islandora_object->label;
    $variables['theme_hook_suggestions'][] = 'islandora_sp_text_html__' . str_replace(':', '_', $islandora_object->id);
    $variables['parent_collections'] = islandora_get_parents_from_rels_ext($islandora_object);
    $variables['metadata'] = islandora_retrieve_metadata_markup($islandora_object);
    $variables['description'] = islandora_retrieve_description_markup($islandora_object);
    global $user;
    // Text/HTML object.
    if (isset($islandora_object['OBJ']) && islandora_datastream_access(ISLANDORA_VIEW_OBJECTS, $islandora_object['OBJ'], $user)) {

        $datastream = $filteredContent = $islandora_object->getDatastream('OBJ');

        if ($datastream->mimetype === 'text/html') {

            $content = $datastream->content;

            // since drupal filtered_html does not filter text between style tags, we'll do that first
            $filteredContent = preg_replace('@<style[^>]*?>.*?</style>@siu', '', $content);
            $filteredContent = check_markup($filteredContent, 'filtered_html');
            $filteredContent = '<div class="filtered-html">' . $filteredContent . '</div>';
        } elseif (in_array($datastream->mimetype,  array('text/plain', 'text/x-chat', 'text/praat-script', 'text/r-script', 'text/x-R', 'text/x-esf', 'text/x-matlab', 'text/x-presentation-script', 'text/x-presentation-template', 'text/x-python', 'text/x-shoebox-language', 'text/x-shoebox-lexicon', 'text/x-shoebox-text', 'text/x-shoebox-type', 'text/x-toolbox-lexicon', 'text/x-toolbox-text'))) {

            $filteredContent = check_markup($datastream->content, 'plain_text');
            // strip br tags, "white-space: pre-wrap" css already preserves line breaks and we don't want them twice
            $filteredContent = preg_replace("~<br />~", "", $filteredContent);
            $filteredContent = '<div class="plain-text">' . $filteredContent . '</div>';
        } else {
            $filteredContent = '';
        }

        // removing mailto links
        $filteredContent = preg_replace('/\<a href="mailto:.+?"\>(.+?)\<\/a\>/ims', '$1', $filteredContent);

        $variables['islandora_content'] = $filteredContent;
    }
}

function islandora_sp_text_html_islandora_sp_text_html_islandora_ingest_steps()
{

    return [

        'islandora_sp_text_html' => [

            'weight'  => 10,
            'type'    => 'form',
            'form_id' => 'islandora_sp_text_html_text_html_upload',
            'module'  => 'islandora_sp_text_html',
            'file'    => 'includes/text_html_upload.form.inc',
        ],
    ];
}