1222 lines
41 KiB
Plaintext
1222 lines
41 KiB
Plaintext
<?php
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/**
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* @file
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* Defines a field type for referencing a user from a node.
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*/
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/**
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* Implements hook_menu().
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*/
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function user_reference_menu() {
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$items['user_reference/autocomplete/%/%/%'] = array(
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'page callback' => 'user_reference_autocomplete',
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'page arguments' => array(2, 3, 4),
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'access callback' => 'reference_autocomplete_access',
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'access arguments' => array(2, 3, 4),
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'type' => MENU_CALLBACK,
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);
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return $items;
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}
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/**
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* Implements hook_field_info().
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*/
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function user_reference_field_info() {
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return array(
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'user_reference' => array(
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'label' => t('User reference'),
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'description' => t('This field stores the ID of a related user as an integer value.'),
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'settings' => array(
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'referenceable_roles' => array(),
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'referenceable_status' => array(),
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'view' => array(
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'view_name' => '',
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'display_name' => '',
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'args' => array(),
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),
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),
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'default_widget' => 'user_reference_autocomplete',
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'default_formatter' => 'user_reference_default',
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// Support hook_entity_property_info() from contrib "Entity API".
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'property_type' => 'user',
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// Support default token formatter for field tokens.
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'default_token_formatter' => 'user_reference_plain',
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),
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);
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}
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/**
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* Implements hook_field_schema();
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*/
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function user_reference_field_schema($field) {
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$columns = array(
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'uid' => array(
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'type' => 'int',
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'unsigned' => TRUE,
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'not null' => FALSE,
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),
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);
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return array(
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'columns' => $columns,
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'indexes' => array('uid' => array('uid')),
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'foreign keys' => array(
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'uid' => array(
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'table' => 'users',
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'columns' => array('uid' => 'uid'),
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),
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),
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);
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}
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/**
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* Implements hook_field_settings_form().
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*/
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function user_reference_field_settings_form($field, $instance, $has_data) {
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$settings = $field['settings'];
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$form = array();
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$form['referenceable_roles'] = array(
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'#type' => 'checkboxes',
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'#title' => t('User roles that can be referenced'),
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'#default_value' => is_array($settings['referenceable_roles'])
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? array_filter($settings['referenceable_roles'])
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: array(),
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'#options' => user_roles(TRUE),
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);
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$form['referenceable_status'] = array(
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'#type' => 'checkboxes',
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'#title' => t('User status that can be referenced'),
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'#default_value' => is_array($settings['referenceable_status'])
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? array_filter($settings['referenceable_status'])
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: array(1),
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'#options' => array(1 => t('Active'), 0 => t('Blocked')),
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);
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if (module_exists('views')) {
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$view_settings = $settings['view'];
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$description = '<p>' . t('The list of users that can be referenced can provided by a view (Views module) using the "References" display type.') . '</p>';
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// Special note for legacy fields migrated from D6.
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if (!empty($view_settings['view_name']) && $view_settings['display_name'] == 'default') {
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$description .= '<p><strong><span class="admin-missing">'. t("Important D6 migration note:") . '</span></strong>';
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$description .= '<br/>' . t("The field is currently configured to use the 'Master' display of the view %view_name.", array('%view_name' => $view_settings['view_name']));
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$description .= '<br/>' . t("It is highly recommended that you: <br/>- edit this view and create a new display using the 'References' display type, <br/>- update the field settings to explicitly select the correct view and display.");
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$description .= '<br/>' . t("The field will work correctly until then, but submitting this form might inadvertently change the field settings.") . '</p>';
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}
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$form['view'] = array(
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'#type' => 'fieldset',
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'#title' => t('Views - Users that can be referenced'),
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'#collapsible' => TRUE,
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'#collapsed' => empty($view_settings['view_name']),
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'#description' => $description,
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);
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$views_options = references_get_views_options('user');
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if ($views_options) {
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// The value of the 'view_and_display' select below will need to be split
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// into 'view_name' and 'view_display' in the final submitted values, so
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// we massage the data at validate time on the wrapping element (not
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// ideal).
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$form['view']['#element_validate'] = array('_user_reference_view_settings_validate');
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$views_options = array('' => '<' . t('none') . '>') + $views_options;
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$default = empty($view_settings['view_name']) ? '' : $view_settings['view_name'] . ':' .$view_settings['display_name'];
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$form['view']['view_and_display'] = array(
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'#type' => 'select',
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'#title' => t('View used to select the users'),
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'#options' => $views_options,
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'#default_value' => $default,
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'#description' => '<p>' . t('Choose the view and display that select the nodes that can be referenced.<br />Only views with a display of type "References" are eligible.') . '</p>' .
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t('Note:<ul><li>This will discard the "Referenceable Roles" and "Referenceable Status" settings above. Use the view\'s "filters" section instead.</li><li>Use the view\'s "fields" section to display additional informations about candidate users on user creation/edition form.</li><li>Use the view\'s "sort criteria" section to determine the order in which candidate users will be displayed.</li></ul>'),
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);
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$default = implode(', ', $view_settings['args']);
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$form['view']['args'] = array(
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'#type' => 'textfield',
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'#title' => t('View arguments'),
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'#default_value' => $default,
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'#required' => FALSE,
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'#description' => t('Provide a comma separated list of arguments to pass to the view.'),
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);
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}
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else {
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$form['view']['no_view_help'] = array(
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'#markup' => '<p>' . t('No eligible view was found.') .'</p>',
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);
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}
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}
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return $form;
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}
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/**
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* Validate callback for the 'view settings' fieldset.
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*
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* Puts back the various form values in the expected shape.
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*/
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function _user_reference_view_settings_validate($element, &$form_state, $form) {
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// Split view name and display name from the 'view_and_display' value.
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if (!empty($element['view_and_display']['#value'])) {
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list($view, $display) = explode(':', $element['view_and_display']['#value']);
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}
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else {
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$view = '';
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$display = '';
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}
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// Explode the 'args' string into an actual array. Beware, explode() turns an
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// empty string into an array with one empty string. We'll need an empty array
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// instead.
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$args_string = trim($element['args']['#value']);
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$args = ($args_string === '') ? array() : array_map('trim', explode(',', $args_string));
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$value = array('view_name' => $view, 'display_name' => $display, 'args' => $args);
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form_set_value($element, $value, $form_state);
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}
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/**
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* Implements hook_field_validate().
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*
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* Possible error codes:
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* - 'invalid_uid': uid is not valid for the field (not a valid user id, or the user is not referenceable).
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*/
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function user_reference_field_validate($entity_type, $entity, $field, $instance, $langcode, $items, &$errors) {
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// Extract uids to check.
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$ids = array();
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// First check non-numeric uid's to avoid losing time with them.
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foreach ($items as $delta => $item) {
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if (is_array($item) && !empty($item['uid'])) {
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if (is_numeric($item['uid'])) {
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$ids[] = $item['uid'];
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}
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else {
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$errors[$field['field_name']][$langcode][$delta][] = array(
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'error' => 'invalid_uid',
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'message' => t('%name: invalid input.',
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array('%name' => $instance['label'])),
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);
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}
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}
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}
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// Prevent performance hog if there are no ids to check.
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if ($ids) {
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$options = array(
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'ids' => $ids,
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);
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$refs = user_reference_potential_references($field, $options);
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foreach ($items as $delta => $item) {
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if (is_array($item)) {
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if (!empty($item['uid']) && !isset($refs[$item['uid']])) {
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$errors[$field['field_name']][$langcode][$delta][] = array(
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'error' => 'invalid_uid',
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'message' => t("%name: this user can't be referenced.",
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array('%name' => $instance['label'])),
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);
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}
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}
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}
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}
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}
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/**
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* Implements hook_field_prepare_view().
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*/
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function user_reference_field_prepare_view($entity_type, $entities, $field, $instances, $langcode, &$items) {
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$checked_ids = &drupal_static(__FUNCTION__, array());
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// Set an 'access' property on each item (TRUE if the user exists).
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// Extract ids to check.
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$ids = array();
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foreach ($items as $id => $entity_items) {
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foreach ($entity_items as $delta => $item) {
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if (is_array($item)) {
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// Default to 'not accessible'.
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$items[$id][$delta]['access'] = FALSE;
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if (!empty($item['uid']) && is_numeric($item['uid'])) {
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$ids[$item['uid']] = $item['uid'];
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}
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}
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}
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}
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if ($ids) {
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// Load information about ids that we haven't already loaded during this
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// page request.
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$ids_to_check = array_diff($ids, array_keys($checked_ids));
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if (!empty($ids_to_check)) {
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$query = db_select('users', 'u')
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->fields('u', array('uid'))
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->condition('u.uid', $ids_to_check, 'IN');
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$accessible_ids = $query->execute()->fetchAllAssoc('uid');
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// Populate our static list so that we do not query on those ids again.
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foreach ($ids_to_check as $id) {
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$checked_ids[$id] = isset($accessible_ids[$id]);
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}
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}
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foreach ($items as $id => $entity_items) {
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foreach ($entity_items as $delta => $item) {
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if (is_array($item) && !empty($item['uid']) && !empty($checked_ids[$item['uid']])) {
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$items[$id][$delta]['access'] = TRUE;
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}
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}
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}
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}
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}
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/**
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* Implements hook_field_is_empty().
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*/
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function user_reference_field_is_empty($item, $field) {
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return empty($item['uid']);
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}
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/**
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* Implements hook_field_formatter_info().
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*/
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function user_reference_field_formatter_info() {
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return array(
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'user_reference_default' => array(
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'label' => t('Default'),
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'description' => t("Display the name of the referenced user as a link to the user's profile page."),
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'field types' => array('user_reference'),
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),
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'user_reference_plain' => array(
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'label' => t('Plain text'),
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'description' => t('Display the name of the referenced user as plain text.'),
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'field types' => array('user_reference'),
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),
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'user_reference_user' => array(
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'label' => t('Rendered user'),
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'description' => t('Display the referenced user in a specific view mode'),
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'field types' => array('user_reference'),
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'settings' => array('user_reference_view_mode' => 'full'),
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),
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'user_reference_uid' => array(
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'label' => t('User ID'),
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'description' => t('Display the referenced user ID'),
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'field types' => array('user_reference'),
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),
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'user_reference_path' => array(
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'label' => t('URL as plain text'),
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'description' => t('Display the URL of the referenced user'),
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'field types' => array('user_reference'),
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'settings' => array(
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'alias' => TRUE,
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'absolute' => FALSE
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),
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),
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);
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}
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/**
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* Implements hook_field_formatter_settings_form().
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*/
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function user_reference_field_formatter_settings_form($field, $instance, $view_mode, $form, &$form_state) {
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$display = $instance['display'][$view_mode];
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$settings = $display['settings'];
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$element = array();
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switch ($display['type']) {
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case 'user_reference_user':
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$entity_info = entity_get_info('user');
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$modes = $entity_info['view modes'];
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$options = array();
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foreach ($modes as $name => $mode) {
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$options[$name] = $mode['label'];
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}
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$element['user_reference_view_mode'] = array(
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'#title' => t('View mode'),
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => $settings['user_reference_view_mode'],
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// Never empty, so no #empty_option
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);
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break;
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case 'user_reference_path':
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$element['alias'] = array(
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'#type' => 'checkbox',
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'#title' => t('Display the aliased path (if exists) instead of the system path'),
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'#default_value' => $settings['alias'],
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);
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$element['absolute'] = array(
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'#type' => 'checkbox',
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'#title' => t('Display an absolute URL'),
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'#default_value' => $settings['absolute'],
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);
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break;
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}
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return $element;
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}
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/**
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* Implements hook_field_formatter_settings_summary().
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*/
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function user_reference_field_formatter_settings_summary($field, $instance, $view_mode) {
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$display = $instance['display'][$view_mode];
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$settings = $display['settings'];
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$summary = array();
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switch ($display['type']) {
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case 'user_reference_user':
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$entity_info = entity_get_info('user');
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$modes = $entity_info['view modes'];
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$mode = $modes[$settings['user_reference_view_mode']]['label'];
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$summary[] = t('View mode: %mode', array('%mode' => $mode));
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break;
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case 'user_reference_path':
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$summary[] = t('Aliased path: %yes_no', array('%yes_no' => $settings['alias'] ? t('Yes') : t('No')));
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$summary[] = t('Absolute URL: %yes_no', array('%yes_no' => $settings['absolute'] ? t('Yes') : t('No')));
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break;
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}
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return implode('<br />', $summary);
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}
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/**
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* Implements hook_field_formatter_prepare_view().
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*
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* Preload all user referenced by items using 'full entity' formatters.
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*/
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function user_reference_field_formatter_prepare_view($entity_type, $entities, $field, $instances, $langcode, &$items, $displays) {
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// Load the referenced users, except for the 'user_reference_uid' which does
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// not need full objects.
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// Collect ids to load.
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$ids = array();
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foreach ($displays as $id => $display) {
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if ($display['type'] != 'user_reference_uid') {
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foreach ($items[$id] as $delta => $item) {
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if ($item['access']) {
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$ids[$item['uid']] = $item['uid'];
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}
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}
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}
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}
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$entities = user_load_multiple($ids);
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// Add the loaded user objects to the items.
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foreach ($displays as $id => $display) {
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if ($display['type'] != 'user_reference_uid') {
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foreach ($items[$id] as $delta => $item) {
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if ($item['access']) {
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$items[$id][$delta]['user'] = $entities[$item['uid']];
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}
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}
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}
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}
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}
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/**
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* Implements hook_field_formatter_view().
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*/
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function user_reference_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
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$settings = $display['settings'];
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$result = array();
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// @todo Optimisation: use hook_field_formatter_prepare_view() to load
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// user names or full user entities in 'multiple' mode.
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// Collect the list of user ids.
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$uids = array();
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foreach ($items as $delta => $item) {
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$uids[$item['uid']] = $item['uid'];
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}
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switch ($display['type']) {
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case 'user_reference_default':
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case 'user_reference_plain':
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foreach ($items as $delta => $item) {
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if ($item['access']) {
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$user = $item['user'];
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$label = entity_label('user', $user);
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if ($display['type'] == 'user_reference_default') {
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$uri = entity_uri('user', $user);
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$result[$delta] = array(
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'#type' => 'link',
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'#title' => $label,
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'#href' => $uri['path'],
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'#options' => $uri['options'],
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);
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}
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else {
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$result[$delta] = array(
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'#markup' => check_plain($label),
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);
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}
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}
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}
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break;
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case 'user_reference_user':
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$view_mode = $display['settings']['user_reference_view_mode'];
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// To prevent infinite recursion caused by reference cycles, we store
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// diplayed accounts in a recursion queue.
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$recursion_queue = &drupal_static(__FUNCTION__, array());
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// If no 'referencing entity' is set, we are starting a new 'reference
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// thread' and need to reset the queue.
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// @todo Bug: $entity->referencing_entity on accounts referenced in a different
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// thread on the page. E.g: 1 references 1+2 / 2 references 1+2 / visit homepage.
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// We'd need a more accurate way...
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if (!isset($entity->referencing_entity)) {
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$recursion_queue = array();
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}
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// The recursion queue only needs to track nodes.
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if ($entity_type == 'user') {
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list($id) = entity_extract_ids($entity_type, $entity);
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$recursion_queue[$id] = $id;
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}
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// Check the recursion queue to determine which accounts should be fully
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// displayed, and which accounts will only be displayed as a username.
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$users_display = array();
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foreach ($items as $delta => $item) {
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if ($item['access'] && !isset($recursion_queue[$item['uid']])) {
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$users_display[$item['uid']] = $item['user'];
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}
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}
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// Load and build the fully displayed nodes.
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if ($users_display) {
|
|
$users_built = array('users' => array('#sorted' => TRUE));
|
|
foreach ($users_display as $uid => $account) {
|
|
$users_display[$uid]->referencing_entity = $entity;
|
|
$users_display[$uid]->referencing_field = $field['field_name'];
|
|
$users_built['users'][$account->uid] = user_view($account, $settings['user_reference_view_mode']);
|
|
}
|
|
}
|
|
|
|
// Assemble the render array.
|
|
foreach ($items as $delta => $item) {
|
|
if ($item['access']) {
|
|
if (isset($users_display[$item['uid']])) {
|
|
$result[$delta] = $users_built['users'][$item['uid']];
|
|
}
|
|
else {
|
|
$account = $item['user'];
|
|
$label = entity_label('user', $user);
|
|
$uri = entity_uri('user', $account);
|
|
$result[$delta] = array(
|
|
'#type' => 'link',
|
|
'#title' => $label,
|
|
'#href' => $uri['path'],
|
|
'#options' => $uri['options'],
|
|
);
|
|
if (!$account->status) {
|
|
$result[$delta]['#prefix'] = '<span class="user-unpublished">';
|
|
$result[$delta]['#suffix'] = '</span>';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'user_reference_uid':
|
|
foreach ($items as $delta => $item) {
|
|
if ($item['access']) {
|
|
$result[$delta] = array(
|
|
'#markup' => $item['uid'],
|
|
);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'user_reference_path':
|
|
foreach ($items as $delta => $item) {
|
|
if ($item['access']) {
|
|
$uri = entity_uri('user', $item['user']);
|
|
$options = array(
|
|
'absolute' => $settings['absolute'],
|
|
'alias' => !$settings['alias'],
|
|
);
|
|
|
|
$options += $uri['options'];
|
|
$result[$delta] = array(
|
|
'#markup' => url($uri['path'], $options),
|
|
);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Helper function for widgets and formatters.
|
|
*
|
|
* Store user names collected in the curent request.
|
|
*/
|
|
function _user_reference_get_user_names($uids, $known_titles = array()) {
|
|
$titles = &drupal_static(__FUNCTION__, array());
|
|
|
|
// Save titles we receive.
|
|
$titles += $known_titles;
|
|
|
|
// Collect nids to retrieve from database.
|
|
$uids_query = array();
|
|
foreach ($uids as $uid) {
|
|
if (!isset($titles[$uid])) {
|
|
$uids_query[] = $uid;
|
|
}
|
|
}
|
|
if ($uids_query) {
|
|
$query = db_select('users', 'u')
|
|
->fields('u', array('uid', 'name'))
|
|
->condition('u.uid', $uids);
|
|
$titles += $query->execute()->fetchAllKeyed();
|
|
}
|
|
|
|
// Build the results array.
|
|
$return = array();
|
|
foreach ($uids as $uid) {
|
|
$return[$uid] = isset($titles[$uid]) ? $titles[$uid] : '';
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Implements hook_field_widget_info().
|
|
*/
|
|
function user_reference_field_widget_info() {
|
|
return array(
|
|
'user_reference_autocomplete' => array(
|
|
'label' => t('Autocomplete text field'),
|
|
'description' => t('Display the list of referenceable users as a textfield with autocomplete behaviour.'),
|
|
'field types' => array('user_reference'),
|
|
'settings' => array(
|
|
'autocomplete_match' => 'contains',
|
|
'size' => 60,
|
|
'autocomplete_path' => 'user_reference/autocomplete',
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Implements hook_field_widget_info_alter().
|
|
*/
|
|
function user_reference_field_widget_info_alter(&$info) {
|
|
$info['options_select']['field types'][] = 'user_reference';
|
|
$info['options_buttons']['field types'][] = 'user_reference';
|
|
}
|
|
|
|
/**
|
|
* Implements hook_field_widget_settings_form().
|
|
*/
|
|
function user_reference_field_widget_settings_form($field, $instance) {
|
|
$widget = $instance['widget'];
|
|
$defaults = field_info_widget_settings($widget['type']);
|
|
$settings = array_merge($defaults, $widget['settings']);
|
|
|
|
$form = array();
|
|
if ($widget['type'] == 'user_reference_autocomplete') {
|
|
$form['autocomplete_match'] = array(
|
|
'#type' => 'select',
|
|
'#title' => t('Autocomplete matching'),
|
|
'#default_value' => $settings['autocomplete_match'],
|
|
'#options' => array(
|
|
'starts_with' => t('Starts with'),
|
|
'contains' => t('Contains'),
|
|
),
|
|
'#description' => t('Select the method used to collect autocomplete suggestions. Note that <em>Contains</em> can cause performance issues on sites with thousands of users.'),
|
|
);
|
|
$form['size'] = array(
|
|
'#type' => 'textfield',
|
|
'#title' => t('Size of textfield'),
|
|
'#default_value' => $settings['size'],
|
|
'#element_validate' => array('_element_validate_integer_positive'),
|
|
'#required' => TRUE,
|
|
);
|
|
}
|
|
return $form;
|
|
}
|
|
|
|
/**
|
|
* Implements hook_field_widget_form().
|
|
*/
|
|
function user_reference_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
|
|
switch ($instance['widget']['type']) {
|
|
case 'user_reference_autocomplete':
|
|
$element += array(
|
|
'#type' => 'textfield',
|
|
'#default_value' => isset($items[$delta]['uid']) ? $items[$delta]['uid'] : NULL,
|
|
'#autocomplete_path' => $instance['widget']['settings']['autocomplete_path'] . '/' . $instance['entity_type'] . '/' . $instance['bundle'] . '/' . $field['field_name'],
|
|
'#size' => $instance['widget']['settings']['size'],
|
|
'#element_validate' => array('user_reference_autocomplete_validate'),
|
|
'#value_callback' => 'user_reference_autocomplete_value',
|
|
);
|
|
break;
|
|
}
|
|
return array('uid' => $element);
|
|
}
|
|
|
|
/**
|
|
* Value callback for a user_reference autocomplete element.
|
|
*
|
|
* Substitute in the user name for the uid.
|
|
*/
|
|
function user_reference_autocomplete_value($element, $input = FALSE, $form_state) {
|
|
if ($input === FALSE) {
|
|
// We're building the displayed 'default value': expand the raw uid into
|
|
// "user name [uid:n]".
|
|
$uid = $element['#default_value'];
|
|
if (!empty($uid)) {
|
|
$q = db_select('users', 'u');
|
|
$q->addField('u', 'name');
|
|
|
|
$q->condition('u.uid', $uid)
|
|
->range(0, 1);
|
|
$result = $q->execute();
|
|
// @todo If no result (user doesn't exist).
|
|
$value = $result->fetchField();
|
|
$value .= ' [uid:' . $uid . ']';
|
|
return $value;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Validation callback for a user_reference autocomplete element.
|
|
*/
|
|
function user_reference_autocomplete_validate($element, &$form_state, $form) {
|
|
$field = field_widget_field($element, $form_state);
|
|
$instance = field_widget_instance($element, $form_state);
|
|
|
|
$value = $element['#value'];
|
|
$uid = NULL;
|
|
|
|
if (!empty($value)) {
|
|
// Check whether we have an explicit "[uid:n]" input.
|
|
preg_match('/^(?:\s*|(.*) )?\[\s*uid\s*:\s*(\d+)\s*\]$/', $value, $matches);
|
|
if (!empty($matches)) {
|
|
// Explicit uid. Check that the 'name' part matches the actual name for
|
|
// the uid.
|
|
list(, $name, $uid) = $matches;
|
|
if (!empty($name)) {
|
|
$names = _user_reference_get_user_names(array($uid));
|
|
if ($name != $names[$uid]) {
|
|
form_error($element, t('%name: name mismatch. Please check your selection.', array('%name' => $instance['label'])));
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// No explicit uid (the submitted value was not populated by autocomplete
|
|
// selection). Get the uid of a referencable user from the entered name.
|
|
$options = array(
|
|
'string' => $value,
|
|
'match' => 'equals',
|
|
'limit' => 1,
|
|
);
|
|
$references = user_reference_potential_references($field, $options);
|
|
if ($references) {
|
|
// @todo The best thing would be to present the user with an
|
|
// additional form, allowing the user to choose between valid
|
|
// candidates with the same name. ATM, we pick the first
|
|
// matching candidate...
|
|
$uid = key($references);
|
|
}
|
|
else {
|
|
form_error($element, t('%name: found no valid user with that name.', array('%name' => $instance['label'])));
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set the element's value as the user id that was extracted from the entered
|
|
// input.
|
|
form_set_value($element, $uid, $form_state);
|
|
}
|
|
|
|
/**
|
|
* Implements hook_field_widget_error().
|
|
*/
|
|
function user_reference_field_widget_error($element, $error, $form, &$form_state) {
|
|
form_error($element['uid'], $error['message']);
|
|
}
|
|
|
|
/**
|
|
* Builds a list of referenceable users suitable for the '#option' FAPI property.
|
|
*
|
|
* Warning: the function does NOT take care of encoding or escaping the user
|
|
* names. Proper massaging needs to be performed by the caller, according to
|
|
* the destination FAPI '#type' (radios / checkboxes / select).
|
|
*
|
|
* @param $field
|
|
* The field definition.
|
|
*
|
|
* @return
|
|
* An array of referenceable user names, keyed by user id.
|
|
*/
|
|
function _user_reference_options($field, $flat = TRUE) {
|
|
$references = user_reference_potential_references($field);
|
|
|
|
$options = array();
|
|
foreach ($references as $key => $value) {
|
|
if (empty($value['group']) || $flat) {
|
|
$options[$key] = $value['rendered'];
|
|
}
|
|
else {
|
|
// The group name, displayed in selects, cannot contain tags, and should
|
|
// have HTML entities unencoded.
|
|
$group = html_entity_decode(strip_tags($value['group']), ENT_QUOTES);
|
|
$options[$group][$key] = $value['rendered'];
|
|
}
|
|
}
|
|
|
|
return $options;
|
|
}
|
|
|
|
/**
|
|
* Retrieves an array of candidate referenceable users.
|
|
*
|
|
* This info is used in various places (aloowed values, autocomplete results,
|
|
* input validation...). Some of them only need the uids, others nid + names,
|
|
* others yet uid + names + rendered row (for display in widgets).
|
|
* The array we return contains all the potentially needed information, and lets
|
|
* consumers use the parts they actually need.
|
|
*
|
|
* @param $field
|
|
* The field definition.
|
|
* @param $options
|
|
* An array of options to limit the scope of the returned list. The following
|
|
* key/value pairs are accepted:
|
|
* - string: string to filter titles on (used by autocomplete).
|
|
* - match: operator to match the above string against, can be any of:
|
|
* 'contains', 'equals', 'starts_with'. Defaults to 'contains'.
|
|
* - ids: array of specific node ids to lookup.
|
|
* - limit: maximum size of the the result set. Defaults to 0 (no limit).
|
|
*
|
|
* @return
|
|
* An array of valid users in the form:
|
|
* array(
|
|
* uid => array(
|
|
* 'title' => The user name,
|
|
* 'rendered' => The text to display in widgets (can be HTML)
|
|
* ),
|
|
* ...
|
|
* )
|
|
*/
|
|
function user_reference_potential_references($field, $options = array()) {
|
|
// Fill in default options.
|
|
$options += array(
|
|
'string' => '',
|
|
'match' => 'contains',
|
|
'ids' => array(),
|
|
'limit' => 0,
|
|
);
|
|
|
|
$results = &drupal_static(__FUNCTION__, array());
|
|
|
|
// Create unique id for static cache.
|
|
$cid = $field['field_name'] . ':' . $options['match'] . ':'
|
|
. ($options['string'] !== '' ? $options['string'] : implode('-', $options['ids']))
|
|
. ':' . $options['limit'];
|
|
if (!isset($results[$cid])) {
|
|
$references = FALSE;
|
|
if (module_exists('views') && !empty($field['settings']['view']['view_name'])) {
|
|
$references = _user_reference_potential_references_views($field, $options);
|
|
}
|
|
|
|
if ($references === FALSE) {
|
|
$references = _user_reference_potential_references_standard($field, $options);
|
|
}
|
|
|
|
// Store the results.
|
|
$results[$cid] = !empty($references) ? $references : array();
|
|
}
|
|
|
|
return $results[$cid];
|
|
}
|
|
|
|
/**
|
|
* Helper function for user_reference_potential_references().
|
|
*
|
|
* Case of Views-defined referenceable users.
|
|
*/
|
|
function _user_reference_potential_references_views($field, $options) {
|
|
$settings = $field['settings']['view'];
|
|
$options['title_field'] = 'name';
|
|
return references_potential_references_view('user', $settings['view_name'], $settings['display_name'], $settings['args'], $options);
|
|
}
|
|
|
|
/**
|
|
* Helper function for user_reference_potential_references().
|
|
*
|
|
* List of referenceable users defined by user role and status.
|
|
*/
|
|
function _user_reference_potential_references_standard($field, $options) {
|
|
// Avoid useless work.
|
|
$filter_roles = array_filter($field['settings']['referenceable_roles']);
|
|
$filter_status = array_filter($field['settings']['referenceable_status']);
|
|
if (!count($filter_status) && !count($filter_roles)) {
|
|
return array();
|
|
}
|
|
|
|
$query = db_select('users', 'u')
|
|
// Select the whole record, so that format_username() has enough
|
|
// information.
|
|
->fields('u')
|
|
->addMetaData('id', ' _user_reference_potential_references_standard')
|
|
->addMetaData('field', $field)
|
|
->addMetaData('options', $options);
|
|
|
|
// Enable this filter only if any statuses checked (and not both).
|
|
if (count($filter_status) == 1) {
|
|
$query->condition('u.status', array_keys($filter_status), 'IN');
|
|
}
|
|
|
|
// Skip filter when "authenticated user" choosen.
|
|
if ($filter_roles && !isset($filter_roles[DRUPAL_AUTHENTICATED_RID])) {
|
|
$query->join('users_roles', 'r', 'u.uid = r.uid');
|
|
$query->condition('r.rid', array_keys($filter_roles), 'IN');
|
|
}
|
|
|
|
if ($options['string'] !== '') {
|
|
switch ($options['match']) {
|
|
case 'contains':
|
|
$query->condition('u.name', '%' . $options['string'] . '%', 'LIKE');
|
|
break;
|
|
|
|
case 'starts_with':
|
|
$query->condition('u.name', $options['string'] . '%', 'LIKE');
|
|
break;
|
|
|
|
case 'equals':
|
|
default: // no match type or incorrect match type: use "="
|
|
$query->condition('u.name', $options['string'], '=');
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ($options['ids']) {
|
|
$query->condition('u.uid', $options['ids'], 'IN');
|
|
}
|
|
|
|
// Explicitly exclude the anonymous user.
|
|
$query->condition('u.uid', 0, '<>');
|
|
|
|
if ($options['limit']) {
|
|
$query->range(0, $options['limit']);
|
|
}
|
|
$query->orderBy('u.name');
|
|
|
|
$result = $query->execute()->fetchAll();
|
|
$references = array();
|
|
foreach ($result as $account) {
|
|
$references[$account->uid] = array(
|
|
'title' => $account->name,
|
|
'rendered' => check_plain(format_username($account)),
|
|
);
|
|
}
|
|
return $references;
|
|
}
|
|
|
|
/**
|
|
* Menu callback; Retrieve a pipe delimited string of autocomplete suggestions for existing users
|
|
*/
|
|
function user_reference_autocomplete($entity_type, $bundle, $field_name, $string = '') {
|
|
$field = field_info_field($field_name);
|
|
$instance = field_info_instance($entity_type, $field_name, $bundle);
|
|
|
|
$options = array(
|
|
'string' => $string,
|
|
'match' => $instance['widget']['settings']['autocomplete_match'],
|
|
'limit' => 10,
|
|
);
|
|
$references = user_reference_potential_references($field, $options);
|
|
|
|
$matches = array();
|
|
foreach ($references as $id => $row) {
|
|
// Markup is fine in autocompletion results (might happen when rendered
|
|
// through Views) but we want to remove hyperlinks.
|
|
$suggestion = preg_replace('/<a href="([^<]*)">([^<]*)<\/a>/', '$2', $row['rendered']);
|
|
// Remove link tags Add a class wrapper for a few required CSS overrides.
|
|
$matches[$row['title'] . " [uid:$id]"] = '<div class="reference-autocomplete">' . $suggestion . '</div>';
|
|
}
|
|
drupal_json_output($matches);
|
|
}
|
|
|
|
/**
|
|
* Implements hook_options_list().
|
|
*/
|
|
function user_reference_options_list($field) {
|
|
return _user_reference_options($field, FALSE);
|
|
}
|
|
|
|
/**
|
|
* Implementation of hook_user_load().
|
|
*/
|
|
/*function user_reference_user_load($accounts) {
|
|
|
|
// Only add links if we are on the user 'view' page.
|
|
if (arg(0) != 'user' || arg(2)) {
|
|
return;
|
|
}
|
|
|
|
foreach ($accounts as $uid => $account) {
|
|
|
|
// find CCK user_reference field tables
|
|
// search through them for matching user ids and load those nodes
|
|
$additions = array();
|
|
$fields = field_info_instances('user');
|
|
|
|
// TODO : replace with field_attach_query() + synchronize with latest D6 code.
|
|
|
|
// Find the table and columns to search through, if the same
|
|
// table comes up in more than one field type, we only need
|
|
// to search it once.
|
|
$search_tables = array();
|
|
$search_links = array();
|
|
foreach ($fields as $field) {
|
|
if ($field['type'] == 'user_reference' && !empty($field['widget']['reverse_link'])) {
|
|
$db_info = content_database_info($field);
|
|
$search_tables[$db_info['table']] = $db_info['columns']['uid']['column'];
|
|
$search_links[$db_info['table']] = $field['widget']['reverse_link'];
|
|
}
|
|
}
|
|
foreach ($search_tables as $table => $column) {
|
|
$ids = db_query(db_rewrite_sql("SELECT DISTINCT(n.nid) FROM {node} n LEFT JOIN {". $table ."} f ON n.vid = f.vid WHERE f.". $column ."=". $account->uid. " AND n.status = 1"));
|
|
while ($data = db_fetch_object($ids)) {
|
|
// TODO, do we really want a complete node_load() here? We only need the title to create a link.
|
|
$node = node_load($data->nid);
|
|
$node->reverse_link = $search_links[$table];
|
|
$additions[$node->type][] = $node;
|
|
}
|
|
}
|
|
$accounts[$uid]->user_reference = $additions;
|
|
}
|
|
return;
|
|
}*/
|
|
|
|
/**
|
|
* Implementation of hook_user_view().
|
|
*/
|
|
/*function user_reference_user_view($account, $view_mode, $langcode) {
|
|
if (!empty($account->user_reference)) {
|
|
$node_types = content_types();
|
|
$additions = array();
|
|
$values = array();
|
|
foreach ($account->user_reference as $node_type => $nodes) {
|
|
foreach ($nodes as $node) {
|
|
if ($node->reverse_link) {
|
|
$values[$node_type][] = l($node->title, 'node/' . $node->nid);
|
|
}
|
|
}
|
|
if (isset($values[$node_type])) {
|
|
$additions[] = array(
|
|
'#type' => 'user_profile_item',
|
|
'#title' => check_plain($node_types[$node_type]['name']),
|
|
'#value' => theme('item_list', $values[$node_type]),
|
|
);
|
|
}
|
|
}
|
|
if ($additions) {
|
|
$account->content['user_reference'] = $additions + array(
|
|
'#type' => 'user_profile_category',
|
|
'#attributes' => array('class' => array('user-member')),
|
|
'#title' => t('Related content'),
|
|
'#weight' => 10,
|
|
);
|
|
}
|
|
}
|
|
}*/
|
|
|
|
/**
|
|
* Implements hook_content_migrate_field_alter().
|
|
*
|
|
* Use this to tweak the conversion of field settings
|
|
* from the D6 style to the D7 style for specific
|
|
* situations not handled by basic conversion,
|
|
* as when field types or settings are changed.
|
|
*
|
|
* $field_value['widget_type'] is available to
|
|
* see what widget type was originally used.
|
|
*/
|
|
function user_reference_content_migrate_field_alter(&$field_value, $instance_value) {
|
|
switch ($field_value['module']) {
|
|
case 'userreference':
|
|
$field_value['module'] = 'user_reference';
|
|
$field_value['type'] = 'user_reference';
|
|
|
|
// Translate 'view' settings.
|
|
$view_name = isset($field_value['settings']['advanced_view']) ? $field_value['settings']['advanced_view'] : '';
|
|
$view_args = isset($field_value['settings']['advanced_view_args']) ? $field_value['settings']['advanced_view_args'] : '';
|
|
$view_args = array_map('trim', explode(',', $view_args));
|
|
$field_value['settings']['view'] = array(
|
|
'view_name' => $view_name,
|
|
'display_name' => 'default',
|
|
'args' => $view_args,
|
|
);
|
|
if ($view_name) {
|
|
$field_value['messages'][] = t("The field uses the view @view_name to determine referenceable users. You will need to manually edit the view and add a display of type 'References'.");
|
|
}
|
|
unset($field_value['settings']['advanced_view']);
|
|
unset($field_value['settings']['advanced_view_args']);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_content_migrate_instance_alter().
|
|
*
|
|
* Use this to tweak the conversion of instance or widget settings
|
|
* from the D6 style to the D7 style for specific
|
|
* situations not handled by basic conversion, as when
|
|
* formatter or widget names or settings are changed.
|
|
*/
|
|
function user_reference_content_migrate_instance_alter(&$instance_value, $field_value) {
|
|
// The module name for the instance was corrected
|
|
// by the change in user_reference_content_migrate_field_alter().
|
|
switch ($field_value['type']) {
|
|
case 'userreference':
|
|
// The formatter names changed, all are prefixed
|
|
// with 'user_reference_'.
|
|
foreach ($instance_value['display'] as $context => $settings) {
|
|
$instance_value['display'][$context]['type'] = 'user_reference_' . $settings['type'];
|
|
}
|
|
// Massage the widget.
|
|
switch ($instance_value['widget']['type']) {
|
|
case 'userreference_autocomplete':
|
|
$instance_value['widget']['type'] = 'user_reference_autocomplete';
|
|
$instance_value['widget']['module'] = 'user_reference';
|
|
break;
|
|
case 'userreference_select':
|
|
$instance_value['widget']['type'] = 'options_select';
|
|
$instance_value['widget']['module'] = 'options';
|
|
break;
|
|
case 'userreference_buttons':
|
|
$instance_value['widget']['type'] = 'options_buttons';
|
|
$instance_value['widget']['module'] = 'options';
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_field_views_data().
|
|
*
|
|
* In addition to the default field information we add the relationship for
|
|
* views to connect back to the users table.
|
|
*/
|
|
function user_reference_field_views_data($field) {
|
|
// No module_load_include(): this hook is invoked from
|
|
// views/modules/field.views.inc, which is where that function is defined.
|
|
$data = field_views_field_default_views_data($field);
|
|
|
|
$storage = $field['storage']['details']['sql'];
|
|
|
|
foreach ($storage as $age => $table_data) {
|
|
$table = key($table_data);
|
|
$columns = current($table_data);
|
|
$id_column = $columns['uid'];
|
|
if (isset($data[$table])) {
|
|
// Filter: swap the handler to the 'in' operator. The callback receives
|
|
// the field name instead of the whole $field structure to keep views
|
|
// data to a reasonable size.
|
|
$data[$table][$id_column]['filter']['handler'] = 'views_handler_filter_in_operator';
|
|
$data[$table][$id_column]['filter']['options callback'] = 'user_reference_views_filter_options';
|
|
$data[$table][$id_column]['filter']['options arguments'] = array($field['field_name']);
|
|
|
|
// Argument: display users.name in argument titles (handled in our custom
|
|
// handler) and summary lists (handled by the base views_handler_argument
|
|
// handler).
|
|
// Both mechanisms rely on the 'name table' and 'name field' information
|
|
// below, by joining to a separate copy of the base table from the field
|
|
// data table.
|
|
$data[$table][$id_column]['argument']['handler'] = 'references_handler_argument';
|
|
$data[$table][$id_column]['argument']['name table'] = $table . '_reference';
|
|
$data[$table][$id_column]['argument']['name field'] = 'name';
|
|
$data[$table . '_reference']['table']['join'][$table] = array(
|
|
'left_field' => $id_column,
|
|
'table' => 'users',
|
|
'field' => 'uid',
|
|
);
|
|
|
|
// Relationship.
|
|
$data[$table][$id_column]['relationship'] = array(
|
|
'handler' => 'references_handler_relationship',
|
|
'base' => 'users',
|
|
'base field' => 'uid',
|
|
'field' => $id_column,
|
|
'label' => $field['field_name'],
|
|
'field_name' => $field['field_name'],
|
|
);
|
|
}
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Implements hook_field_views_data_views_data_alter().
|
|
*/
|
|
function user_reference_field_views_data_views_data_alter(&$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')) {
|
|
$entity = t('Content');
|
|
}
|
|
|
|
// Only specify target entity type if the field is used in more than one.
|
|
if (count($field['bundles']) > 1) {
|
|
$title = t('@field (@field_name) - reverse (to @entity)', array('@entity' => $entity, '@field' => $label, '@field_name' => $field['field_name']));
|
|
}
|
|
else {
|
|
$title = t('@field (@field_name) - reverse', array('@entity' => $entity, '@field' => $label, '@field_name' => $field['field_name']));
|
|
}
|
|
$data['users'][$pseudo_field_name]['relationship'] = array(
|
|
'title' => $title,
|
|
'help' => t('Relate each @entity referencing the user through @field.', 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'] . '_uid',
|
|
'base' => $entity_info['base table'],
|
|
'base field' => $entity_info['entity keys']['id'],
|
|
'label' => t('!field_name', array('!field_name' => $field['field_name'])),
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Helper callback for the views_handler_filter_in_operator filter.
|
|
*
|
|
* @param $field_name
|
|
* The field name.
|
|
*
|
|
* @return
|
|
* The array of allowed options for the filter.
|
|
*/
|
|
function user_reference_views_filter_options($field_name) {
|
|
$options = array();
|
|
|
|
if ($field = field_info_field($field_name)) {
|
|
$options = _user_reference_options($field, TRUE);
|
|
// The options will be used as is in checkboxes, and thus need to be
|
|
// sanitized first.
|
|
foreach ($options as $key => $value) {
|
|
$options[$key] = field_filter_xss($value);
|
|
}
|
|
}
|
|
|
|
return $options;
|
|
}
|