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<?php
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/**
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* @file
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*
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* Plugin to provide a user context
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*/
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/**
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* Plugins are described by creating a $plugin array which will be used
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* by the system that includes this file.
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*/
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$plugin = array(
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'title' => t("User"),
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'description' => t('A single user object.'),
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'context' => 'ctools_context_create_user',
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'edit form' => 'ctools_context_user_settings_form',
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'defaults' => array('type' => 'select', 'uid' => ''),
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'keyword' => 'user',
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'context name' => 'user',
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'convert list' => 'ctools_context_user_convert_list',
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'convert' => 'ctools_context_user_convert',
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'convert default' => 'name',
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// This context is deprecated and should not be usable in the UI.
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'no ui' => TRUE,
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'no required context ui' => TRUE,
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);
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/**
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* It's important to remember that $conf is optional here, because contexts
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* are not always created from the UI.
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*/
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function ctools_context_create_user($empty, $data = NULL, $conf = FALSE) {
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$context = new ctools_context(array('entity:user', 'entity', 'user'));
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$context->plugin = 'user';
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if ($empty) {
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return $context;
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}
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if ($conf) {
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if ($data['type'] == 'current') {
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global $user;
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$data = user_load($user->uid);
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if (user_is_logged_in()) {
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$data->logged_in_user = TRUE;
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}
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}
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else {
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$data = user_load($data['uid']);
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}
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}
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// Load entity if the data provided is a numeric value. This kind of data is
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// passed by some relationships.
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if (is_numeric($data)) {
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$data = user_load($data);
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}
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if (!empty($data)) {
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$context->data = $data;
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$context->title = isset($data->name) ? $data->name : t('Anonymous');
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$context->argument = $data->uid;
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return $context;
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}
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}
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function ctools_context_user_settings_form($form, &$form_state) {
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$conf = $form_state['conf'];
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ctools_include('dependent');
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$form['type'] = array(
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'#title' => t('Enter the context type'),
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'#type' => 'radios',
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'#options' => array(
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'select' => t('Select a user'),
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'current' => t('Logged in user'),
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),
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'#default_value' => $conf['type'],
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);
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$form['user'] = array(
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'#title' => t('Enter a user name'),
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'#type' => 'textfield',
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'#maxlength' => 512,
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'#autocomplete_path' => 'user/autocomplete',
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'#dependency' => array('radio:type' => array('select')),
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);
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if (!empty($conf['uid'])) {
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$info = user_load($conf['uid']);
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if ($info) {
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$form['user']['#description'] = t('Currently set to !link', array('!link' => theme('username', array('account' => $info))));
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}
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}
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$form['uid'] = array(
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'#type' => 'value',
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'#value' => $conf['uid'],
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);
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$form['set_identifier'] = array(
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'#type' => 'checkbox',
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'#default_value' => FALSE,
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'#title' => t('Reset identifier to username'),
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'#description' => t('If checked, the identifier will be reset to the user name of the selected user.'),
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'#dependency' => array('radio:context[context_settings][type]' => array('select')),
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);
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return $form;
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}
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/**
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* Validate a user.
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*/
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function ctools_context_user_settings_form_validate($form, &$form_state) {
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if ($form_state['values']['type'] != 'select') {
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return;
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}
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// Validate the autocomplete
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if (empty($form_state['values']['uid']) && empty($form_state['values']['user'])) {
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form_error($form['user'], t('You must select a user.'));
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return;
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}
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if (empty($form_state['values']['user'])) {
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return;
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}
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$account = user_load_by_name($form_state['values']['user']);
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if (!$account) {
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form_error($form['user'], t('Invalid user selected.'));
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}
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else {
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form_set_value($form['uid'], $account->uid, $form_state);
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}
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}
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function ctools_context_user_settings_form_submit($form, &$form_state) {
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if ($form_state['values']['set_identifier']) {
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$account = user_load($form_state['values']['uid']);
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$form_state['values']['identifier'] = $account->name;
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}
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$form_state['conf']['type'] = $form_state['values']['type'];
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$form_state['conf']['uid'] = $form_state['values']['uid'];
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}
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/**
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* Provide a list of replacements.
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*/
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function ctools_context_user_convert_list() {
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$tokens = token_info();
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foreach ($tokens['tokens']['user'] as $id => $info) {
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if (!isset($list[$id])) {
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$list[$id] = $info['name'];
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}
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}
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return $list;
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}
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/**
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* Convert a context into a string.
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*/
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function ctools_context_user_convert($context, $type) {
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$tokens = token_info();
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if (isset($tokens['tokens']['user'][$type])) {
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$values = token_generate('user', array($type => $type), array('user' => $context->data));
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if (isset($values[$type])) {
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return $values[$type];
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}
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}
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}
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