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cd0194e20f
This will make the code of the ConfigController way easier, as messages can be send from everywhere and there is no need to consider consquences of redirections. refs #5100
129 lines
3.3 KiB
PHP
129 lines
3.3 KiB
PHP
<?php
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namespace Icinga\Web\Widget;
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use \Zend_Log;
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use \Zend_Form;
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use \Icinga\User;
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use \Icinga\User\Message;
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use \Zend_View_Abstract;
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use \Icinga\Authentication\Manager as AuthenticationManager;
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/**
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* Displays a set of alert messages to the user.
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*
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* The messages are fetched automatically from the current AuthenticationManager,
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* but this is done lazily when render() is called, to ensure that messages will
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* always be displayed before they are cleared.
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*/
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class AlertMessageBox implements \Icinga\Web\Widget\Widget {
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/**
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* Remove all messages from the current user, return them and commit
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* changes to the underlying session.
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*
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* @return array The messages
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*/
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protected function getAndClearMessages()
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{
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$messages = $this->user->getMessages();
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$this->user->clearMessages();
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AuthenticationManager::getInstance()->getSession()->write();
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return $messages;
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}
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/**
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* The displayed alert messages
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*
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* @var array
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*/
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private $messages = array();
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/**
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* The user to fetch the messages from
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*
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* @var User
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*/
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private $user;
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/**
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* The available states.
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*
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* @var array
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*/
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private $states = array(
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Zend_Log::INFO => array(
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'state' => 'alert-success',
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'icon' => 'icinga-icon-success'
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),
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Zend_Log::NOTICE => array(
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'state' => 'alert-info',
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'icon' => 'icinga-icon-info'
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),
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Zend_Log::WARN => array(
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'state' => 'alert-warning',
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'icon' => 'icinga-icon-warning'
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),
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Zend_Log::ERR => array(
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'state' => 'alert-danger',
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'icon' => 'icinga-icon-danger'
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)
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);
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/**
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* Create a new AlertBox
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*
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* @param boolean showUserMessages If the current user messages should be displayed
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* in this AlertMessageBox. Defaults to false
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*/
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public function __construct($showUserMessages = false) {
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if ($showUserMessages) {
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$this->user = AuthenticationManager::getInstance()->getUser();
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}
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}
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/**
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* Add a new error
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*
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* @param $error
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*/
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public function addError($error)
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{
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$this->messages[] = new Message($error, Zend_Log::ERR);
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}
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/**
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* Add the error messages of the given Zend_Form
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*/
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public function addForm(Zend_Form $form)
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{
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foreach ($form->getErrorMessages() as $error) {
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$this->addError($error);
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}
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}
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/**
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* Output the HTML of the AlertBox
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*
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* @return string
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*/
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public function render(Zend_View_Abstract $view = null) {
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$html = '';
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if (isset($this->user)) {
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$this->messages = array_merge($this->messages, $this->getAndClearMessages());
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}
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foreach ($this->messages as $message) {
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$level = $message->getLevel();
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if (!array_key_exists($level, $this->states)) {
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continue;
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}
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$alert = $this->states[$level];
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$html .= '<div class="alert ' . $alert['state']. '">' .
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'<i class="' . $alert['icon'] . '"></i>' .
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'<strong>' . htmlspecialchars($message->getMessage()) . '</strong>' .
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'</div>';
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}
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return $html;
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}
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}
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