$user->name, '%path' => $_GET['referer']), WATCHDOG_WARNING);
return;
}
}
else {
// not ajax, register the callback before executing
magic_tabs_register_callback($callback);
}
if (!magic_tabs_check_callback($callback)) {
// callback not registered. report and bail out
watchdog('magic_tabs', 'User %user tried to use a callback %callback without it being registered first.', array('%user' => $user->name, '%callback' => $callback), WATCHDOG_WARNING);
return;
}
$output = '';
$index = 0;
if (isset($_GET[$callback .'_tab'])) {
// save user's request
$_SESSION['magic_tabs'][$callback .'_tab'] = $_GET[$callback .'_tab'];
}
if (isset($_SESSION['magic_tabs'][$callback .'_tab'])) {
// serve user's last request
$active = $_SESSION['magic_tabs'][$callback .'_tab'];
}
if (!is_numeric($active)) {
switch ($active) {
case 'last':
$active = -1;
break;
default: // case 'first', but cover up for garbage
$active = 0;
}
}
$tabs = call_user_func($callback, $active);
// go back to our original path
if ($_ajax) {
unset($_menu['items']);
menu_set_active_item($q);
}
if (empty($tabs)) {
return;
}
// ensure $active is within limits and positive
$tabs_count = count($tabs);
$active = ($active + $tabs_count) % $tabs_count;
// extract titles and contents
foreach ($tabs as $tab) {
$title = $tab['title'] ? $tab['title'] : t('Tab %index', array('%index' => $index));
$class = strtolower(preg_replace('/[^a-zA-Z0-9]+/ ', '-', $tab['title']));
$path = $_ajax ? $_GET['referer'] :$_GET['q'];
$cb_path = url("magic_tabs/$callback", "${callback}_tab=$index&referer=". urlencode($path));
$items[] = l(
''. $title .'',
$path,
array(
'class' => ($index == $active) ? 'selected '. $class .'-active' : $class,
'onclick' => "
$('#$callback .magic_content').addClass('hidden');
$('#$callback .loading').removeClass('hidden');
$('#$callback').load('$cb_path');
return false",
),
magic_tabs_query_string(array($callback .'_tab' => $index, 'referer' => urlencode($path))),
NULL, FALSE, TRUE
);
$index++;
}
// find the correct theme function
$theme_func = $callback;
if (!theme_get_function($theme_func)) {
// default theme for tabs
$theme_func = 'magic_tabs';
}
$output = theme($theme_func, $callback, $items, $tabs[$active]['content']) .'';
if (!$_ajax) {
$output = "". $output .'
';
}
return $output;
}
/**
* Implementation of hook_menu().
*/
function magic_tabs_menu() {
$items['magic_tabs'] = array(
'title' => 'Magic Tabs',
'callback' => 'magic_tabs_ajax',
'access' => user_access('access content'),
'type' => MENU_CALLBACK,
);
return $items;
}
function magic_tabs_ajax($callback) {
global $theme;
/**
* need to initialize the theme engine first, otherwise, $callback might not
* be in the function list
*/
if (!isset($theme)) {
init_theme();
}
if (function_exists($callback)) {
print magic_tabs_get($callback, 'first', TRUE);
exit();
}
}
function magic_tabs_query_string($params = array()) {
$q = array_merge($_GET, $params);
$querystring = array();
unset($q['q']);
foreach ($q as $key => $value) {
if ($key != 'q') {
$querystring[] = $key .'='. $value;
}
}
return !empty($querystring) ? implode('&', $querystring) : NULL;
}
function magic_tabs_register_callback($callback) {
// register a callback in the cache. This is not to benefit performance, but to allow saving a temporary state
// other solutions considered where:
// 1. $_SESSION - not good due to page_cache,
// 2. variable table - entries might get stored for too long and provide security risk
$callbacks = array();
if (($cache = cache_get('magic_tabs_callbacks')) && !empty($cache->data)) {
$callbacks = $cache->data;
}
$callbacks[$callback] = TRUE;
cache_set('magic_tabs_callbacks', $callbacks, CACHE_TEMPORARY);
}
function magic_tabs_check_callback($callback) {
// check if the callback is in the list of allowed callbacks
if (($cache = cache_get('magic_tabs_callbacks')) && !empty($cache->data)) {
$callbacks = $cache->data;
return $callbacks[$callback];
}
}
/**
* Themeable functions
*/
function theme_magic_tabs($callback, $items, $content) {
return theme('item_list', $items, NULL, 'ul', array('class' => 'tabs')) .''. $content .'
';
}
/**
* Stuck here -- the function above needs to be adapted to the below?? http://drupal.org/node/114774#theme_registry
*/
function theme_magic_tabs_theme() {
return array(
'something_format' => array(
'file' => 'something.inc',
'template' => 'something-format',
'arguments' => array('content' => NULL),
),
);
}
/**
* Example callback function
*/
function magic_tabs_example_callback($active = 0) {
$tabs[] = array(
'title' => t('First magic tab'),
'content' => t('Content of first magic tab'),
);
$tabs[] = array(
'title' => t('Second magic tab'),
'content' => t('Content of the second magic tab'),
);
$tabs[] = array(
'title' => t('Third magic tab'),
'content' => ($active == 2 || $active == -1) ? magic_tabs_get('magic_tabs_inline_callback') : '',
);
/*
** Uncomment to display a custom block with $bid==2
*/
/*
$bid = 2;
$block = (object)module_invoke('block', 'block', 'view', $bid);
$block->module = 'block';
$block->delta = $bid;
$tabs[] = array(
'title' => t('Display a custom block'),
'content' => theme('block', $block),
);
*/
return $tabs;
}
function magic_tabs_inline_callback() {
$tabs[] = array(
'title' => t('First nested magic tab'),
'content' => t('Content of first nested magic tab'),
);
$tabs[] = array(
'title' => t('2nd nested magic tab'),
'content' => t('Content of the second nested magic tab'),
);
return $tabs;
}