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<?php
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// $Id$
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/**
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* @file
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* Display action links for user names and pictures.
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*/
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/**
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* Implementation of hook_help().
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*/
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function user_display_links_help($section) {
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switch ($section) {
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case 'admin/settings/user-display/links':
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return t('Choose from the available action links that should be displayed for users.');
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function user_display_links_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array(
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'path' => 'admin/user/user-display/links',
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'title' => t('User action links'),
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'callback' => 'drupal_get_form',
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'callback arguments' => array('user_display_links_settings'),
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);
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$items[] = array(
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'path' => 'js/user_display_links/links',
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'callback' => 'user_display_links_js_links',
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'access' => TRUE,
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'type' => MENU_CALLBACK,
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);
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}
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else {
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$path = drupal_get_path('module', 'user_display_links');
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drupal_add_js($path .'/user_display_links.js');
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drupal_add_css($path .'/user_display_links.css');
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}
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return $items;
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}
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/**
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* Menu callback; return the module settings form.
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*/
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function user_display_links_settings() {
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$settings = variable_get('user_display_links', array());
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foreach (module_implements('user_links', TRUE) as $module) {
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$form['user_display_links'] = array(
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'#tree' => TRUE,
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'#type' => 'fieldset',
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'#title' => ucfirst(str_replace('_', ' ', $module)),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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);
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// Get available action links.
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$links = module_invoke($module, 'user_links', 'info');
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foreach ($links as $class => $info) {
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$form['user_display_links'][$class] = array(
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'#type' => 'checkbox',
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'#title' => $info,
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'#default_value' => isset($settings[$class]) ? $settings[$class] : 0,
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);
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}
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}
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return system_settings_form($form);
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}
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/**
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* @ingroup js_callback
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* @{
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*/
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/**
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* Implementation of hook_js().
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*/
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function user_display_links_js() {
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return array(
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'links' => array(
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'callback' => 'user_display_links_js_links',
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'dependencies' => array('user'),
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),
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);
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}
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/**
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* AJAX callback; render a list of action links for a user.
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*
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* @param $uid
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* The user id.
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*
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* @see js.php, user_display_links.js
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*/
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function user_display_links_js_links($uid = 0) {
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global $user;
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if (!$uid || !$account = db_fetch_object(db_query("SELECT u.uid FROM {users} u WHERE u.uid = %d", $uid))) {
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return '';
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}
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$links = array();
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// Determine destination path.
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$destination = array();
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if ($referer = referer_uri()) {
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$referer = parse_url($referer);
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if ($referer = trim($referer['path'], '/')) {
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$destination['query'] = 'destination='. $referer;
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}
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}
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if ($user->uid && $user->uid != $uid) {
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// Private message.
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$links['privatemsg'] = array(
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'title' => t('New message'),
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'href' => 'privatemsg/new/'. $uid,
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);
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}
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// Profile.
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if (user_access('access user profiles')) {
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$links['profile'] = array(
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'title' => t('Profile'),
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'href' => 'user/'. $uid,
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);
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}
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if ($user->uid && $user->uid != $uid) {
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/* Buddylist actions */
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$is_buddy = db_result(db_query('SELECT COUNT(buddy) FROM {buddylist} WHERE uid = %d AND buddy = %d', $user->uid, $account->uid));
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$is_requested = db_result(db_query('SELECT COUNT(requestee_uid) FROM {buddylist_pending_requests} WHERE requester_uid = %d AND requestee_uid = %d', $user->uid, $account->uid));
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if (!$is_buddy && !$is_requested) {
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$links['friend-add'] = array(
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'title' => t('Add as friend'),
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'href' => 'buddy/add/'. $uid,
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);
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$links['friend-add'] += $destination;
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}
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else if ($is_buddy) {
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$links['friend-remove'] = array(
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'title' => t('Remove from friends'),
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'href' => 'buddy/delete/'. $uid,
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);
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$links['friend-remove'] += $destination;
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}
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}
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$output = theme_user_display_links($links);
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print drupal_to_js(array('data' => $output));
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exit;
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}
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/**
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* @} End of "ingroup js_callback".
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*/
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/**
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* Return a themed set of user display links, invoked by JS callback.
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*
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* Fork of theme_links() in core to allow overriding these special links.
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*
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* @param $links
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* A keyed array of links to be themed, structure like theme_links().
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* @param $attributes
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* A keyed array of attributes
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* @return
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* A string containing an unordered list of links.
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*/
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function theme_user_display_links($links) {
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$output = '';
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if (count($links) > 0) {
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$output = '<ul'. drupal_attributes($attributes) .'>';
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$num_links = count($links);
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$i = 1;
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foreach ($links as $key => $link) {
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$class = '';
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// Automatically add a class to each link and also to each LI
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if (isset($link['attributes']) && isset($link['attributes']['class'])) {
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$link['attributes']['class'] .= ' ' . $key;
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$class = $key;
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}
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else {
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$link['attributes']['class'] = $key;
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$class = $key;
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}
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// Add first and last classes to the list of links to help out themers.
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$extra_class = '';
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if ($i == 1) {
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$extra_class .= 'first ';
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}
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if ($i == $num_links) {
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$extra_class .= 'last ';
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}
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$output .= '<li class="'. $extra_class . $class .'">';
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// Is the title HTML?
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$html = isset($link['html']) && $link['html'];
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// Initialize fragment and query variables.
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$link['query'] = isset($link['query']) ? $link['query'] : NULL;
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$link['fragment'] = isset($link['fragment']) ? $link['fragment'] : NULL;
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if (isset($link['href'])) {
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$output .= l($link['title'], $link['href'], $link['attributes'], $link['query'], $link['fragment'], FALSE, $html);
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}
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else if ($link['title']) {
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// Some links are actually not links, but we wrap these in <span> for
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// adding title and class attributes.
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if (!$html) {
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$link['title'] = check_plain($link['title']);
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}
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$output .= '<span'. drupal_attributes($link['attributes']) .'>'. $link['title'] .'</span>';
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}
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$i++;
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$output .= "</li>\n";
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}
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$output .= '</ul>';
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}
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return $output;
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}
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/**
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* @ingroup user_display_api
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* @{
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*/
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/**
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* Implementation of hook_user_display().
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*/
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function user_display_links_user_display($op) {
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switch ($op) {
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case 'elements':
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$items = array(
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'user_display_links' => array(
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'#type' => 'checkboxes',
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'#title' => t('Display user related links'),
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'#options' => array(),
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'#default_value' => 0,
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'#category' => 'links',
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),
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);
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return $items;
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}
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}
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function user_display_links($account, $style) {
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if ($account->uid) {
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return array(
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'class' => array('links', $account->uid),
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);
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}
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}
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/**
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* Implementation of hook_user_links().
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*/
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function user_display_links_user_links($op, $uid = 0) {
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global $user;
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switch ($op) {
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case 'info':
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return array(
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'profile-view' => t('Visit profile'),
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'profile-edit' => t('Edit profile'),
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);
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case 'links':
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$links = array();
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if ($user->uid != $uid) {
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$links['profile-view'] = l(t('Profile'), "user/$uid");
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}
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else {
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$links['profile-edit'] = l(t('Edit my profile'), "user/$uid/edit");
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}
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return $links;
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}
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}
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/**
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* @} End of "ingroup user_display_api".
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*/
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