'fb_tab_view',
'access arguments' => array('access content'),
'type' => MENU_CALLBACK,
);
return $items;
}
/**
* Implementation of hook_fb
*
* @param $op
* @param $data -- data payload
* @param $return
*/
function fb_tab_fb($op, $data, &$return) {
$fb = isset($data['fb']) ? $data['fb'] : NULL;
$fb_app = isset($data['fb_app']) ? $data['fb_app'] : NULL;
if ($op == FB_OP_POST_INIT) {
// Include our admin hooks.
if (fb_is_fb_admin_page()) {
require drupal_get_path('module', 'fb_tab') . '/fb_tab.admin.inc';
}
}
elseif ($op == FB_OP_CURRENT_APP) {
if (fb_is_tab() && isset($_REQUEST['fb_sig_api_key'])) {
$return = fb_get_app(array('apikey' => $_REQUEST['fb_sig_api_key']));
}
}
elseif ($op == FB_OP_INITIALIZE) {
if (fb_is_tab()) {
$config = _fb_tab_get_config($fb_app);
if (!isset($GLOBALS['custom_theme'])) {
$GLOBALS['custom_theme'] = $config['custom_theme'];
}
$use_ob = variable_get(FB_TAB_VAR_PROCESS, TRUE);
// Hack to init the theme before _drupal_maintenance_theme initializes the wrong one.
if (variable_get('site_offline', FALSE)) {
$dummy = theme('dummy');
}
// Store entire page in output buffer. Will post-process on exit.
if ($use_ob) {
ob_start();
$GLOBALS['fb_tab_post_process'] = TRUE;
}
}
}
elseif ($op == FB_OP_EXIT && fb_is_tab()) {
if (isset($GLOBALS['fb_tab_post_process']) && $GLOBALS['fb_tab_post_process']) {
$output = ob_get_contents();
ob_end_clean();
//print '' . htmlentities($output) . '
'; flush();
$output = fb_canvas_process($output, array(
'add_target' => FALSE,
'absolute_links' => TRUE,
));
if (isset($output)) {
print($output);
}
}
}
}
/**
* Implements fb_tab_form_alter.
*/
function fb_tab_form_alter(&$form, &$form_state, $form_id) {
if (isset($form['fb_app_data']) && is_array($form['fb_app_data'])) {
// Add our settings to the fb_app edit form.
//require 'fb_canvas.admin.inc';
fb_tab_admin_form_alter($form, $form_state, $form_id);
}
}
/**
* Helper returns configuration for this module, on a per-app basis.
*/
function _fb_tab_get_config($fb_app) {
$fb_app_data = fb_get_app_data($fb_app);
$config = isset($fb_app_data['fb_tab']) ? $fb_app_data['fb_tab'] : array();
// Merge in defaults
$config += array(
'custom_theme' => NULL,
'tab_default_name' => isset($fb_app->title) ? $fb_app->title : NULL,
'profile_tab_url' => FB_TAB_PATH_VIEW,
);
return $config;
}
/**
* Another module provides the contents of the tab depending
* on the context that we give it (who is calling it, etc.)
*/
function fb_tab_view() {
$fb_app = $GLOBALS['_fb_app'];
$fb = $GLOBALS['_fb'];
$profile_id = fb_settings(FB_SETTINGS_PROFILE_ID);
$config = fb_tab_fetch_config($fb_app, $profile_id);
$data = array(
'fb_app' => $fb_app,
'fb' => $fb,
'profile_id' => $profile_id,
'config' => isset($config['data']) ? $config['data'] : NULL,
);
$content = fb_invoke(FB_TAB_OP_VIEW, $data, array(), FB_TAB_HOOK);
//print('' . print_r($data, 1) . '
'); flush();
//print(print_r($content, 1)); flush();
return drupal_render($content);
}
/*
* Store configuration data for a tab by application
*/
function fb_tab_write_config(&$row, $update = array()) {
if (!isset($row['created']))
$row['created'] = time();
$row['data'] = serialize($row['data']);
return drupal_write_record('fb_tab', $row, $update);
}
/*
* Return configuration of a tab by application (access via 'label') and page ID.
* Page ID exists because an app can present different views on different pages.
*/
function fb_tab_fetch_config($fb_app, $profile_id) {
$result = db_query("SELECT * FROM {fb_tab} WHERE label = '%s' AND profile_id = %d" , $fb_app->label, $profile_id);
$row = db_fetch_array($result);
if ($row) {
$row['data'] = unserialize($row['data']);
return $row;
}
else {
return array();
}
}