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<?php
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// $Id$
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/**
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* @file
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* Overrides for the standard user theme functions.
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*/
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/**
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* @ingroup themeable
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* @{
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*/
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/**
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* Format a username.
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*
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* This backwards compatible implementation of theme_username() has additional
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* support to show the user's picture (provided that it is available in the
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* $account).
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*
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* @param $account
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* The user account to format, usually returned from user_load().
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* @param $class
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* A user display class, leave empty to output default username.
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* @param $style
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* A user display style to force, for example when invoked via
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* phptemplate_user_picture().
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* @return
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* A string containing an HTML link to the user's page if the passed object
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* suggests that this is a site user. Otherwise, only the username is returned.
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*/
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function phptemplate_username($account, $class = NULL, $style = NULL) {
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if (isset($class)) {
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$styles = user_display_styles();
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if (!is_numeric($class)) {
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$classes = variable_get('user_display_classes', array());
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$style = isset($classes[$class]) ? $styles[$classes[$class]] : NULL;
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}
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else {
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$style = isset($styles[$class]) ? $styles[$class] : NULL;
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}
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}
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if ($account->uid && $account->name && isset($style)) {
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$content = '';
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$classes = array('display');
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foreach ($style['elements'] as $element) {
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if (function_exists($element[0])) {
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// Invoke element callback.
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$element = call_user_func_array($element[0], array_merge(array($account, $style), isset($element[1]) ? $element[1] : array()));
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if (!empty($element) && is_array($element)) {
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// Add rendered content to output.
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$content .= $element['content'];
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if (!empty($element['class'])) {
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// Add defined element classes to user-display container.
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$classes = array_merge($classes, $element['class']);
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}
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}
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}
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}
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// Skip potential duplicate classes.
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$classes = array_unique($classes);
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$output = '<div class="user-'. implode(' user-', $classes) .'">';
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$output .= $content;
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$output .= '</div>';
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}
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else {
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// Fallback on core theme function.
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$output = theme_username($account);
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}
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return $output;
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}
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/**
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* Display a user picture.
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*
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* This backwards compatible implementation of theme_user_picture() has
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* additional support to use imagecache presets for user pictures.
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*
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* @param $account
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* A user object with the picture property set.
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* @param $namespace
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* A valid imagecache preset.
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*/
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function phptemplate_user_picture($account, $class = NULL, $preset = NULL) {
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if (variable_get('user_pictures', 0)) {
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if (!isset($preset) && isset($class)) {
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$styles = user_display_styles();
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if (!is_numeric($class)) {
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$classes = variable_get('user_display_classes', array());
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$style = isset($classes[$class]) ? $styles[$classes[$class]] : NULL;
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}
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else {
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$style = isset($styles[$class]) ? $styles[$class] : NULL;
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}
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if (isset($style)) {
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return theme('username', $account, NULL, $style);
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}
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}
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// Fall back to default presets for user style and other pages.
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if (!isset($preset)) {
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$presets = user_display_imagecache_presets();
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if (arg(0) == 'user' && is_numeric(arg(1))) {
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$preset = isset($presets['default_profile']) ? 'default_profile' : USER_DISPLAY_DEFAULT_PICTURE;
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}
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else {
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$preset = isset($presets['default']) ? 'default' : USER_DISPLAY_DEFAULT_PICTURE;
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}
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}
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if ($account->picture && file_exists($account->picture)) {
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$file = $account->picture;
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}
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else if (variable_get('user_picture_default', '')) {
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$file = variable_get('user_picture_default', '');
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}
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if (!empty($file)) {
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$alt = t("@user's picture", array('@user' => $account->name ? $account->name : variable_get('anonymous', t('Anonymous'))));
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// Render an user picture generated via ImageCache.
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if (module_exists('imagecache') && is_string($preset)) {
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$picture = theme('imagecache', $preset, $file, $alt, $alt);
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}
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// Render user picture like Drupal core if no valid class has been given.
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else if (is_numeric($preset) && $preset == USER_DISPLAY_DEFAULT_PICTURE) {
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$picture = theme('image', $file, $alt, $alt, '', FALSE);
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}
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// Fall back on username if picture has been disabled.
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else {
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return theme_username($account);
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}
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// Add user profile link to the user picture.
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if (!empty($account->uid) && user_access('access user profiles')) {
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$picture = l($picture, "user/$account->uid", array('title' => t('View user profile.')), NULL, NULL, FALSE, TRUE);
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}
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return "<div class=\"user-picture\">". $picture .'</div>';
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}
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}
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}
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/**
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* Display a list of users.
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*
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* This backwards compatible implementation of theme_user_list() has additional
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* support to show user pictures.
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*
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* @param $users
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* An array with user objects. Should contain at least the name and uid.
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* @return
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* description
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*/
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function phptemplate_user_list($users, $title = NULL, $class = NULL) {
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if (!empty($users)) {
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foreach ($users as $user) {
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$items[] = theme('username', $user, $class);
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}
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}
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return theme('item_list', $items, $title);
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}
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/**
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* @} End of "ingroup themeable".
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*/
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