1 files changed, 108 insertions, 0 deletions
diff --git a/modules/gallery/helpers/message.php b/modules/gallery/helpers/message.php
new file mode 100644
index 00000000..af3b96cc
--- /dev/null
+++ b/modules/gallery/helpers/message.php
@@ -0,0 +1,108 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2009 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, self::SUCCESS);
+  }
+
+  /**
+   * Report an informational event.
+   * @param string  $msg           a detailed message
+   */
+  static function info($msg) {
+    self::_add($msg, self::INFO);
+  }
+
+  /**
+   * Report that something went wrong, not fatal, but worth investigation.
+   * @param string  $msg           a detailed message
+   */
+  static function warning($msg) {
+    self::_add($msg, self::WARNING);
+  }
+
+  /**
+   * Report that something went wrong that should be fixed.
+   * @param string  $msg           a detailed message
+   */
+  static function error($msg) {
+    self::_add($msg, self::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) {
+      $buf[] = "<li class=\"" . self::severity_class($msg[1]) . "\">$msg[0]</li>";
+    }
+    if ($buf) {
+      return "<ul id=\"gMessage\">" . implode("", $buf) . "</ul>";
+    }
+  }
+
+  /**
+   * Convert a message severity to a CSS class
+   * @param  integer $severity
+   * @return string
+   */
+  static function severity_class($severity) {
+    switch($severity) {
+    case self::SUCCESS:
+      return "gSuccess";
+
+    case self::INFO:
+      return "gInfo";
+
+    case self::WARNING:
+      return "gWarning";
+
+    case self::ERROR:
+      return "gError";
+    }
+  }
+}