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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2011 Bharat Mediratta
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class message_Core {
const SUCCESS = 1;
const INFO = 2;
const WARNING = 3;
const ERROR = 4;
/**
* Report a successful event.
* @param string $msg a detailed message
*/
static function success($msg) {
self::_add($msg, message::SUCCESS);
}
/**
* Report an informational event.
* @param string $msg a detailed message
*/
static function info($msg) {
self::_add($msg, message::INFO);
}
/**
* Report that something went wrong, not fatal, but worth investigation.
* @param string $msg a detailed message
*/
static function warning($msg) {
self::_add($msg, message::WARNING);
}
/**
* Report that something went wrong that should be fixed.
* @param string $msg a detailed message
*/
static function error($msg) {
self::_add($msg, message::ERROR);
}
/**
* Save a message in the session for our next page load.
* @param string $msg a detailed message
* @param integer $severity one of the severity constants
*/
private static function _add($msg, $severity) {
$session = Session::instance();
$status = $session->get("messages");
$status[] = array($msg, $severity);
$session->set("messages", $status);
}
/**
* Get any pending messages. There are two types of messages, transient and permanent.
* Permanent messages are used to let the admin know that there are pending administrative
* issues that need to be resolved. Transient ones are only displayed once.
* @return html text
*/
static function get() {
$buf = array();
$messages = Session::instance()->get_once("messages", array());
foreach ($messages as $msg) {
$msg[0] = str_replace("__CSRF__", access::csrf_token(), $msg[0]);
$buf[] = "<li class=\"" . message::severity_class($msg[1]) . "\">$msg[0]</li>";
}
if ($buf) {
return "<ul id=\"g-action-status\" class=\"g-message-block\">" . implode("", $buf) . "</ul>";
}
}
/**
* Convert a message severity to a CSS class
* @param integer $severity
* @return string
*/
static function severity_class($severity) {
switch($severity) {
case message::SUCCESS:
return "g-success";
case message::INFO:
return "g-info";
case message::WARNING:
return "g-warning";
case message::ERROR:
return "g-error";
}
}
}
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