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<?php
/**
* @file
* Provide views data and handlers for image.module.
*
* @ingroup views_module_handlers
*/
/**
* Implements hook_field_views_data().
*
* Views integration for image fields. Adds an image relationship to the default
* field data.
*
* @see field_views_field_default_views_data()
*/
function image_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',
'base field' => 'fid',
'label' => t('image from !field_name', array('!field_name' => $field['field_name'])),
);
}
return $data;
}
/**
* Implements hook_field_views_data_views_data_alter().
*
* Views integration to provide reverse relationships on image fields.
*/
function image_field_views_data_views_data_alter(&$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, $all_labels) = field_views_field_label($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 image.', 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,
),
),
);
}
}
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