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<?php
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// $Id: user_display_replacements.module,v 1.1 2008/07/19 23:12:33 sun Exp $
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/**
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* @file
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* Alternative block implementations making use of User Display.
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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_replacements_user_display($op) {
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switch ($op) {
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case 'info':
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return array(
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'user_block_new' => array(
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'name' => t("Who's new block"),
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'description' => t("These settings apply to user pictures displayed in the replacement block <em>Who's new (User Display)</em>.")
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),
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'user_block_online' => array(
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'name' => t("Who's online block"),
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'description' => t("These settings apply to user pictures displayed in the replacement block <em>Who's online (User Display)</em>.")
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),
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);
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break;
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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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/**
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* Implementation of hook_block().
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*
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* Replacments for the core user_block() implementations. Note the added
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* display class in the calls to theme('user_list'), which has a corresponding
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* entry in the user_display_replacements_user_display() hook info array.
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*/
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function user_display_replacements_block($op = 'list', $delta = 0, $edit = array()) {
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global $user;
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if ($op == 'list') {
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$blocks['user_display_new']['info'] = t("Who's new (User Display)");
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$blocks['user_display_online']['info'] = t("Who's online (User Display)");
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return $blocks;
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}
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else if ($op == 'view') {
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$block = array();
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switch ($delta) {
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case 'user_display_new':
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if (user_access('access content')) {
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// Retrieve a list of new users who have subsequently accessed the site successfully.
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$items = array();
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$result = db_query_range('SELECT uid, name, picture FROM {users} WHERE status != 0 AND access != 0 ORDER BY created DESC', 0, variable_get('user_block_whois_new_count', 5));
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while ($account = db_fetch_object($result)) {
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$items[] = $account;
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}
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if ($items) {
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$block['subject'] = t('Who\'s new');
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$block['content'] = '<div class="block-user-new">'. theme('user_list', $items, NULL, 'user_block_new') .'</div>';
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}
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}
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break;
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case 'user_display_online':
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if (user_access('access content')) {
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// Count users active within the defined period.
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$interval = time() - variable_get('user_block_seconds_online', 900);
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// Perform database queries to gather online user lists. We use s.timestamp
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// rather than u.access because it is much faster.
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$anonymous_count = sess_count($interval);
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$authenticated_count = db_result(db_query('SELECT COUNT(DISTINCT uid) FROM {sessions} WHERE timestamp >= %d AND uid > 0', $interval));
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// Format the output with proper grammar.
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if ($anonymous_count == 1 && $authenticated_count == 1) {
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$output = t('There is currently %members and %visitors online.', array('%members' => format_plural($authenticated_count, '1 user', '@count users'), '%visitors' => format_plural($anonymous_count, '1 guest', '@count guests')));
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}
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else {
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$output = t('There are currently %members and %visitors online.', array('%members' => format_plural($authenticated_count, '1 user', '@count users'), '%visitors' => format_plural($anonymous_count, '1 guest', '@count guests')));
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}
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// Display a list of currently online users.
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if ($authenticated_count) {
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if (variable_get('user_display_block_pictures_only', 0)) {
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$query = " AND u.picture <> ''";
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}
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// Use GROUP BY to prevent users from appearing more than once.
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$result = db_query_range('SELECT DISTINCT u.uid, u.name, u.picture FROM {users} u INNER JOIN {sessions} s ON s.uid = u.uid WHERE s.timestamp >= %d AND s.uid > 0'. $query .' ORDER BY s.timestamp DESC', $interval, 0, variable_get('user_block_max_list_count', 10));
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$items = array();
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while ($account = db_fetch_object($result)) {
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$items[] = $account;
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}
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// Configurable sub-heading.
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$title = (variable_get('user_display_block_online_subheading', 0) ? t('Online users') : '');
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$output .= theme('user_list', $items, $title, 'user_block_online');
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}
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$block['subject'] = t('Who\'s online');
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$block['content'] = '<div class="block-user-online">'. $output .'</div>';
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}
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break;
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}
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return $block;
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}
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else if ($op == 'configure') {
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switch ($delta) {
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case 'user_display_new':
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$form['user_block_whois_new_count'] = array(
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'#type' => 'select',
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'#title' => t('Number of users to display'),
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'#default_value' => variable_get('user_block_whois_new_count', 5),
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'#options' => drupal_map_assoc(range(1, 10)),
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);
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break;
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case 'user_display_online':
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$period = drupal_map_assoc(array(30, 60, 120, 180, 300, 600, 900, 1800, 2700, 3600, 5400, 7200, 10800, 21600, 43200, 86400), 'format_interval');
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$form['user_block_seconds_online'] = array('#type' => 'select', '#title' => t('User activity'), '#default_value' => variable_get('user_block_seconds_online', 900), '#options' => $period, '#description' => t('A user is considered online for this long after they have last viewed a page.'));
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$form['user_block_max_list_count'] = array('#type' => 'select', '#title' => t('User list length'), '#default_value' => variable_get('user_block_max_list_count', 10), '#options' => drupal_map_assoc(array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 40, 50, 75, 100)), '#description' => t('Maximum number of currently online users to display.'));
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$form['user_display_block_pictures_only'] = array(
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'#type' => 'checkbox',
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'#title' => t('Only with picture'),
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'#return_value' => 1,
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'#default_value' => variable_get('user_display_block_pictures_only', 0),
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'#description' => t('Show only users that have uploaded a picture.'),
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);
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$form['user_display_block_online_subheading'] = array(
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'#type' => 'checkbox',
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'#title' => t('Display subheading'),
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'#return_value' => 1,
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'#default_value' => variable_get('user_display_block_online_subheading', 0),
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'#description' => t('Whether to display the <em>Users online</em> sub-heading.'),
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);
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break;
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}
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return $form;
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}
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else if ($op == 'save') {
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switch ($delta) {
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case 'user_display_new':
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variable_set('user_block_whois_new_count', $edit['user_block_whois_new_count']);
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break;
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case 'user_display_online':
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variable_set('user_block_seconds_online', $edit['user_block_seconds_online']);
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variable_set('user_block_max_list_count', $edit['user_block_max_list_count']);
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variable_set('user_display_block_pictures_only', $edit['user_display_block_pictures_only']);
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variable_set('user_display_block_online_subheading', $edit['user_display_block_online_subheading']);
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break;
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}
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}
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}
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