PHP Q::canHandle方法代码示例

function Overlay_before_Q_responseExtras()
{
    $app = Q_Config::expect('Q', 'app');
    Q_Response::addStylesheet('plugins/Q/css/Q.css');
    Q_Response::addStylesheet('css/Overlay.css', '@end');
    Q_Response::addStylesheet('http://fonts.googleapis.com/css?family=Open+Sans:400italic,400,300,700');
    if (Q_Config::get('Q', 'firebug', false)) {
        Q_Response::addScript("https://getfirebug.com/firebug-lite-debug.js");
    }
    Q_Response::addScript('js/Overlay.js');
    Q_Response::setMeta("title", "Customize My Pic!");
    Q_Response::setMeta("description", "Make a statement on Facebook by customizing your profile picture, even from your smartphone.");
    Q_Response::setMeta("image", Q_Html::themedUrl('img/icon/icon.png'));
    if (Q_Request::isIE()) {
        header("X-UA-Compatible", "IE=edge");
    }
    header('Vary: User-Agent');
    // running an event for loading action-specific extras (if there are any)
    $uri = Q_Dispatcher::uri();
    $module = $uri->module;
    $action = $uri->action;
    $event = "{$module}/{$action}/response/responseExtras";
    if (Q::canHandle($event)) {
        Q::event($event);
    }
}

function Q_post($params)
{
    $uri = Q_Dispatcher::uri();
    $module = $uri->module;
    $action = $uri->action;
    if (!Q::canHandle("{$module}/{$action}/post")) {
        throw new Q_Exception_MethodNotSupported(array('method' => 'POST'));
    }
    if (isset($_SERVER['CONTENT_LENGTH'])) {
        $contentLength = (int) $_SERVER['CONTENT_LENGTH'];
        foreach (array('upload_max_filesize', 'post_max_size') as $name) {
            $value = ini_get($name);
            switch (substr($value, -1)) {
                case 'K':
                    $value *= 1024;
                    break;
                case 'M':
                    $value *= 1024 * 1024;
                    break;
                case 'B':
                    $value *= 1024 * 1024 * 1024;
                    break;
            }
            if ($contentLength > $value) {
                throw new Q_Exception_ContentLength(array('contentLength' => $contentLength, 'exceeds' => $name));
            }
        }
    }
    return Q::event("{$module}/{$action}/post", $params);
}

function Streams_publisher_validate($params)
{
    // Protect against CSRF attacks:
    Q_Valid::nonce(true);
    $type = Streams::requestedType();
    if ($type && Q::canHandle("Streams/validate/{$type}")) {
        return Q::event("Streams/validate/{$type}", $params);
    }
}

function Users_importContacts_validate()
{
    Q_Valid::nonce(true);
    if (empty($_GET['provider'])) {
        throw new Q_Exception('No provider specified');
    }
    if (!Q::canHandle('Users/importContacts/providers/' . $_GET['provider'])) {
        throw new Q_Exception('Unsupported provider specified: ' . $_GET['provider']);
    }
}

function Q_validate($params)
{
    $uri = Q_Dispatcher::uri();
    $module = $uri->module;
    $action = $uri->action;
    if (!Q::canHandle("{$module}/{$action}/validate")) {
        return null;
    }
    return Q::event("{$module}/{$action}/validate", $params);
}

function Q_put($params)
{
    $uri = Q_Dispatcher::uri();
    $module = $uri->module;
    $action = $uri->action;
    if (!Q::canHandle("{$module}/{$action}/put")) {
        throw new Q_Exception_MethodNotSupported(array('method' => 'PUT'));
    }
    return Q::event("{$module}/{$action}/put", $params);
}

function Q_delete($params)
{
    $uri = Q_Dispatcher::uri();
    $module = $uri->module;
    $action = $uri->action;
    if (!Q::canHandle("{$module}/{$action}/delete")) {
        throw new Q_Exception_MethodNotSupported(array('method' => 'DELETE'));
    }
    Q_Request::requireValidNonce();
    return Q::event("{$module}/{$action}/delete", $params);
}

/**
 * This tool generates an interface used for publishing messages to streams
 * It basically renders the Streams/player/$type tool, where $type is the stream's type.
 *
 * @param array $options
 *  An associative array of parameters, containing:
 *  "publisherId" => required. The id of the publisher of the stream to which to post the message.
 *  "streamName" => required. The name of the stream to which to post the message.
 */
function Streams_player_tool($options)
{
    extract($options);
    if (empty($stream)) {
        throw new Q_Exception("Missing stream object");
    }
    if (!Q::canHandle('Streams/player/' . $stream->type . '/tool')) {
        throw new Q_Exception("No player tool has been implemented for streams of type {$stream->type}.");
    }
    return Q::tool('Streams/player/' . $stream->type, $options);
}

function Streams_stream_validate($params)
{
    // Protect against CSRF attacks:
    if (Q_Request::method() !== 'GET') {
        Q_Valid::nonce(true);
    }
    $type = Streams::requestedType();
    if ($type && Q::canHandle("Streams/validate/{$type}")) {
        return Q::event("Streams/validate/{$type}", $params);
    }
}

function Streams_player_tool($options)
{
    extract($options);
    if (!isset($stream)) {
        throw new Q_Exception_MissingObject(array('name' => 'stream'));
    }
    if (!$stream->testReadLevel('content')) {
        $streamName_html = Q_Html::text($stream->name);
        return "<a href='#{$streamName_html}'>hidden</a>";
    }
    $options['streamName'] = $stream->name;
    $parts = explode('/', $stream->type);
    switch ($parts[0]) {
        case 'Streams/text/small':
        case 'Streams/text/medium':
        case 'Streams/text':
            return $stream->content;
        case 'Streams/date':
            // TODO: localize
            if (isset($parts[1]) and $parts[1] === 'birthday') {
                return date('M j', strtotime($stream->content));
            }
            return date('M j, Y', strtotime($stream->content));
        case 'Streams/number':
            if (isset($parts[1]) and $parts[1] === 'age') {
                if (!empty($streams['Streams/user/birthday']->content)) {
                    return Db::ageFromDateTime($streams['Streams/user/birthday']->content);
                }
                return null;
            }
            return $strem->content;
        case 'Streams/category':
            // TODO: implement
        // TODO: implement
        case 'Streams/chat':
            // TODO: implement
        // TODO: implement
        case 'Streams/community':
            // TODO: implement
        // TODO: implement
        default:
            $event = $stream->type . "/tool";
            if (Q::canHandle($event)) {
                return Q::tool($stream->type, $options);
            }
            return Q_Html::tag('div', array('class' => 'Streams_player_stream_content'), Q_Html::text($stream->content));
    }
}

function Q_response_content()
{
    $app = Q_Config::expect('Q', 'app');
    $url = Q_Request::url();
    $module = Q_Dispatcher::uri()->module;
    if (empty($module)) {
        return Q::event("{$app}/notFound/response/content");
    }
    $action = Q_Dispatcher::uri()->action;
    $event = "{$module}/{$action}/response/content";
    if (!Q::canHandle($event)) {
        return Q::event("{$app}/notFound/response/content");
    }
    // Go ahead and fire the event, returning the result.
    return Q::event($event);
}

function Q_response_content()
{
    $app = Q_Config::expect('Q', 'app');
    $url = Q_Request::url();
    $module = Q_Dispatcher::uri()->module;
    if (empty($module)) {
        return Q::event("{$app}/notFound/response/content");
    }
    $action = Q_Dispatcher::uri()->action;
    $event = "{$module}/{$action}/response/content";
    if (!Q::canHandle($event)) {
        return Q::event("{$app}/notFound/response/content");
    }
    Q_Response::setMeta('format-detection', 'telephone=no,date=no,address=no,email=no,url=no');
    // Go ahead and fire the event, returning the result.
    return Q::event($event);
}

function Trump_before_Q_responseExtras()
{
    $app = Q_Config::expect('Q', 'app');
    Q_Response::addStylesheet('plugins/Q/css/Q.css');
    Q_Response::addStylesheet('css/html.css', '@end');
    if (Q_Config::get('Q', 'firebug', false)) {
        Q_Response::addScript("https://getfirebug.com/firebug-lite-debug.js");
    }
    Q_Response::addScript('js/Trump.js');
    if (Q_Request::isIE()) {
        header("X-UA-Compatible: IE=edge");
    }
    header('Vary: User-Agent');
    // running an event for loading action-specific extras (if there are any)
    $uri = Q_Dispatcher::uri();
    $module = $uri->module;
    $action = $uri->action;
    $event = "{$module}/{$action}/response/responseExtras";
    if (Q::canHandle($event)) {
        Q::event($event);
    }
}

function Q_response_default($params)
{
    if (!isset($params['slotName'])) {
        throw new Q_Exception_RequiredField(array('field' => '$slotName'));
    }
    $slotName = $params['slotName'];
    $uri = Q_Dispatcher::uri();
    $module = $uri->module;
    $action = $uri->action;
    if (!$module or !$action) {
        return "{$module}/{$action} is not a valid URI";
    }
    $event = "{$module}/{$action}/response/{$slotName}";
    $function_name = $module . '_' . $action . '_response_' . $slotName;
    if (function_exists($function_name)) {
        $result = Q::event($event);
        $result = isset($result) ? $result : "Don't return null from {$function_name}";
    }
    if (Q::canHandle($event)) {
        return Q::event($event);
    }
    throw new Q_Exception_MissingSlot(compact('event'));
}

/**
 * Default Q/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 Q_response($params)
{
    extract($params);
    /**
     * @var Exception $exception
     * @var array $errors
     */
    if (empty($errors)) {
        $errors = Q_Response::getErrors();
    }
    if (!empty($_GET['Q_ct'])) {
        Q_Response::setCookie('Q_ct', $_GET['Q_ct']);
    }
    // If output is set, use that
    $output = Q_Response::output();
    if (isset($output)) {
        if ($output === true) {
            return;
        }
        if (is_string($output)) {
            echo $output;
        }
        return;
    }
    // Redirect to success page, if requested.
    $isAjax = Q_Request::isAjax();
    if (empty($errors) and empty($exception)) {
        if (!$isAjax and null !== Q_Request::special('onSuccess', null)) {
            $onSuccess = Q_Request::special('onSuccess', null);
            if (Q_Config::get('Q', 'response', 'onSuccessShowFrom', true)) {
                $onSuccess = Q_Uri::url($onSuccess . '?Q.fromSuccess=' . Q_Dispatcher::uri());
            }
            Q_Response::redirect($onSuccess);
            return;
        }
    }
    // Get the requested module
    $uri = Q_Dispatcher::uri();
    if (!isset($module)) {
        $module = $uri->module;
        if (!isset($module)) {
            $module = 'Q';
            Q_Dispatcher::uri()->module = 'Q';
        }
    }
    if (!$isAjax || Q_Request::isLoadExtras()) {
        Q::event('Q/responseExtras', array(), 'before');
    }
    // Get the main module (the app)
    $app = Q_Config::expect('Q', 'app');
    $action = $uri->action;
    if (Q::canHandle("{$module}/{$action}/response")) {
        if (false === Q::event("{$module}/{$action}/response") and !$isAjax) {
            return;
        }
    }
    $slotNames = Q_Request::slotNames(true);
    $idPrefixes = array();
    if ($temp = Q_Request::special('idPrefixes', null)) {
        foreach (explode(',', $temp) as $i => $prefix) {
            if (!isset($slotNames[$i])) {
                throw new Q_Exception("More id prefixes than slot names", "Q.idPrefixes");
            }
            $idPrefixes[$slotNames[$i]] = $prefix;
        }
    }
    // What to do if this is an AJAX request
    if ($isAjax) {
        $to_encode = array();
        if (Q_Response::$redirected) {
            // We already called Q_Response::redirect
            $to_encode['redirect']['url'] = Q_Uri::url(Q_Response::$redirected);
            try {
                $to_encode['redirect']['uri'] = Q_Uri::from(Q_Response::$redirected)->toArray();
            } catch (Exception $e) {
                // couldn't get internal URI
            }
        } else {
            if (is_array($slotNames)) {
                foreach ($slotNames as $slotName) {
                    Q_Response::fillSlot($slotName, 'default', Q::ifset($idPrefixes, $slotName, null));
                }
                // Go through the slots again, because other handlers may have overwritten
                // their contents using Q_Response::setSlot()
                foreach ($slotNames as $sn) {
                    Q_Response::fillSlot($sn, 'default', Q::ifset($idPrefixes, $slotName, null));
                }
                if (Q_Response::$redirected) {
                    // While rendering the slots we called Q_Redirect
                    $to_encode['redirect']['url'] = Q_Uri::url(Q_Response::$redirected);
                    try {
                        $to_encode['redirect']['uri'] = Q_Uri::from(Q_Response::$redirected)->toArray();
                    } catch (Exception $e) {
                        // couldn't get internal URI
//.........这里部分代码省略.........