nodereference_field_settings($op, $field)
contributions/cck/modules/nodereference/nodereference.module, line 80
Implementation of hook_field_settings().
<?php
function nodereference_field_settings($op, $field) {
switch ($op) {
case 'form':
$form = array();
$form['referenceable_types'] = array(
'#type' => 'checkboxes',
'#title' => t('Content types that can be referenced'),
'#multiple' => TRUE,
'#default_value' => is_array($field['referenceable_types']) ? $field['referenceable_types'] : array(),
'#options' => node_get_types('names'),
);
if (module_exists('views')) {
$views = array('--' => '--');
$all_views = views_get_all_views();
foreach ($all_views as $view) {
// Only 'node' views that have fields will work for our purpose.
if ($view->base_table == 'node' && !empty($view->display['default']->display_options['fields'])) {
if ($view->type == 'Default') {
$views[t('Default Views')][$view->name] = $view->name;
}
else {
$views[t('Existing Views')][$view->name] = $view->name;
}
}
}
if (count($views) > 1) {
$form['advanced'] = array(
'#type' => 'fieldset',
'#title' => t('Advanced - Nodes that can be referenced (View)'),
'#collapsible' => TRUE,
'#collapsed' => !isset($field['advanced_view']) || $field['advanced_view'] == '--',
);
$form['advanced']['advanced_view'] = array(
'#type' => 'select',
'#title' => t('View used to select the nodes'),
'#options' => $views,
'#default_value' => isset($field['advanced_view']) ? $field['advanced_view'] : '--',
'#description' => t('Choose the "Views module" view that selects the nodes that can be referenced.<br />Note:<ul><li>Only views that have fields will work for this purpose.</li><li>This will discard the "Content types" settings above. Use the view\'s "filters" section instead.</li><li>Use the view\'s "fields" section to display additional informations about candidate nodes on node creation/edition form.</li><li>Use the view\'s "sort criteria" section to determine the order in which candidate nodes will be displayed.</li></ul>'),
);
$form['advanced']['advanced_view_args'] = array(
'#type' => 'textfield',
'#title' => t('View arguments'),
'#default_value' => isset($field['advanced_view_args']) ? $field['advanced_view_args'] : '',
'#required' => FALSE,
'#description' => t('Provide a comma separated list of arguments to pass to the view.'),
);
}
}
return $form;
case 'save':
$settings = array('referenceable_types');
if (module_exists('views')) {
$settings[] = 'advanced_view';
$settings[] = 'advanced_view_args';
}
return $settings;
case 'database columns':
$columns = array(
'nid' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => FALSE),
);
return $columns;
case 'views data':
$data = content_views_field_views_data($field);
$db_info = content_database_info($field);
$table_alias = content_views_tablename($field);
// Swap the filter handler to the 'in' operator.
$data[$table_alias][$field['field_name'] .'_nid']['filter']['handler'] = 'content_handler_filter_many_to_one';
// Add a relationship for related node.
$data[$table_alias][$field['field_name'] .'_nid']['relationship'] = array(
'base' => 'node',
'field' => $db_info['columns']['nid']['column'],
'handler' => 'content_handler_relationship',
'label' => t($field['widget']['label']),
'multiple' => $field['multiple'],
);
return $data;
}
}
?>