file.views.inc

<?php


/**
 * @file
 * Provide views data and handlers for file.module.
 *
 * @ingroup views_module_handlers
 */

/**
 * Implements hook_field_views_data().
 *
 * Views integration for file fields. Adds a file relationship to the default
 * field data.
 *
 * @see field_views_field_default_views_data()
 */
function file_field_views_data($field) {
    $data = field_views_field_default_views_data($field);
    foreach ($data as $table_name => $table_data) {
        // Add the relationship only on the fid field.
        $data[$table_name][$field['field_name'] . '_fid']['relationship'] = array(
            'handler' => 'views_handler_relationship',
            'base' => 'file_managed',
            'entity type' => 'file',
            'base field' => 'fid',
            'label' => t('file from !field_name', array(
                '!field_name' => $field['field_name'],
            )),
        );
    }
    return $data;
}

/**
 * Implements hook_field_views_data_views_data_alter().
 *
 * Views integration to provide reverse relationships on file fields.
 */
function file_field_views_data_views_data_alter(&$data, $field) {
    foreach ($field['bundles'] as $entity_type => $bundles) {
        $entity_info = entity_get_info($entity_type);
        $pseudo_field_name = 'reverse_' . $field['field_name'] . '_' . $entity_type;
        list($label) = field_views_field_label($field['field_name']);
        $entity = $entity_info['label'];
        if ($entity == t('Node')) {
            $entity = t('Content');
        }
        $data['file_managed'][$pseudo_field_name]['relationship'] = array(
            'title' => t('@entity using @field', array(
                '@entity' => $entity,
                '@field' => $label,
            )),
            'help' => t('Relate each @entity with a @field set to the file.', array(
                '@entity' => $entity,
                '@field' => $label,
            )),
            'handler' => 'views_handler_relationship_entity_reverse',
            'field_name' => $field['field_name'],
            'field table' => _field_sql_storage_tablename($field),
            'field field' => $field['field_name'] . '_fid',
            'base' => $entity_info['base table'],
            'base field' => $entity_info['entity keys']['id'],
            'label' => t('!field_name', array(
                '!field_name' => $field['field_name'],
            )),
            'join_extra' => array(
                0 => array(
                    'field' => 'entity_type',
                    'value' => $entity_type,
                ),
                1 => array(
                    'field' => 'deleted',
                    'value' => 0,
                    'numeric' => TRUE,
                ),
            ),
        );
    }
}