/**
* Default pie/response handler.
* 1. Gets some slots, depending on what was requested.
* 2. Renders them in a layout
* The layout expects "title", "dashboard" and "contents" slots to be filled.
*/
function pie_response($params)
{
extract($params);
/**
* @var Exception $exception
* @var array $errors
*/
// Redirect to success page, if requested.
$is_ajax = Pie_Request::isAjax();
if (empty($errors) and empty($exception)) {
if (!$is_ajax and isset($_REQUEST['_pie']['onSuccess'])) {
$on_success = $_REQUEST['_pie']['onSuccess'];
if (Pie_Config::get('pie', 'response', 'onSuccessShowFrom', true)) {
$on_success = Pie_Uri::url($on_success . '?_pie[fromSuccess]=' . Pie_Dispatcher::uri());
}
Pie_Response::redirect($on_success);
return;
}
}
// Get the requested module
$uri = Pie_Dispatcher::uri();
if (!isset($module)) {
$module = $uri->module;
if (!isset($module)) {
$module = 'pie';
Pie_Dispatcher::uri()->module = 'pie';
}
}
// Get the main module (the app)
$app = Pie_Config::expect('pie', 'app');
// Add some javascript to inform the front end of important URLs
Pie::event('pie/addScriptLines');
// What to do if this is an AJAX request
if ($is_ajax) {
$slot_names = Pie_Request::slotNames();
if (!isset($slot_names)) {
$slot_names = Pie_Config::get($module, 'response', 'slotNames', array('content' => null, 'dashboard' => null, 'title' => null, 'notices' => null));
}
$slots = array();
$stylesheets = array();
$stylesInline = array();
$scripts = array();
$scriptLines = array();
if (is_array($slot_names)) {
foreach ($slot_names as $slot_name => $v) {
$slots[$slot_name] = Pie_Response::fillSlot($slot_name, 'default');
$stylesheets[$slot_name] = Pie_Response::stylesheetsArray($slot_name);
$stylesInline[$slot_name] = Pie_Response::stylesInline($slot_name);
$scripts[$slot_name] = Pie_Response::scriptsArray($slot_name);
$scriptLines[$slot_name] = Pie_Response::scriptLines($slot_name);
}
}
$timestamp = microtime(true);
$echo = Pie_Request::contentToEcho();
// Render a JSON layout for ajax
$to_encode = compact('slots', 'stylesheets', 'stylesInline', 'scripts', 'scriptLines', 'timestamp', 'echo');
// Cut down on the response size
foreach (array('slots', 'stylesheets', 'stylesInline', 'scripts', 'scriptLines') as $f) {
$is_empty = true;
if (is_array($to_encode[$f])) {
foreach ($to_encode[$f] as $k => $v) {
if (isset($v)) {
$is_empty = false;
} else {
unset($to_encode[$f][$k]);
}
}
} else {
if (!empty($to_encode[$f])) {
$is_empty = false;
}
}
if ($is_empty) {
unset($to_encode[$f]);
}
}
switch (strtolower($is_ajax)) {
case 'json':
default:
$json = json_encode($to_encode);
$callback = Pie_Request::callback();
echo $callback ? "{$callback}({$json})" : $json;
}
return;
}
// If this is a request for a regular webpage,
// fill the usual slots and render a layout.
// Attach stylesheets and scripts
if (Pie_Request::accepts('text/fbml')) {
Pie_Response::addStylesheet("css/fbml.css");
Pie_Response::addScript('plugins/pie/fbjs/Pie.fb.js');
} else {
Pie_Response::addStylesheet("css/html.css");
Pie_Response::addScript('plugins/pie/js/Pie.js');
}
// Get all the usual slots for a webpage
$slot_names = Pie_Config::get($module, 'response', 'slotNames', array('content' => null, 'dashboard' => null, 'title' => null, 'notices' => null));
$slots = array();
foreach ($slot_names as $sn => $v) {
$slots[$sn] = Pie_Response::fillSlot($sn, 'default');
}
$output = Pie_Response::output();
if (isset($output)) {
if ($output === true) {
return;
}
if (is_string($output)) {
echo $output;
}
return;
}
if (Pie_Request::accepts('text/fbml')) {
// Render a full FBML layout
$layout_view = Pie_Config::get($app, 'response', 'layout_fbml', "{$app}/layout/fbml.php");
echo Pie::view($layout_view, $slots);
} else {
// Render a full HTML layout
$layout_view = Pie_Config::get($app, 'response', 'layout_html', "{$app}/layout/html.php");
echo Pie::view($layout_view, $slots);
}
}
