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typo3/sysext/backend/Classes/Toolbar/Enumeration/InformationStatus.php

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+<?php
+namespace TYPO3\CMS\Backend\Toolbar\Enumeration;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+use TYPO3\CMS\Core\Type\Enumeration;
+
+/**
+ * This class holds the severities of the SystemInformation toolbar menu
+ */
+final class InformationStatus extends Enumeration
+{
+    const __default = self::STATUS_INFO;
+
+    /**
+     * @var string
+     */
+    const STATUS_NOTICE = '';
+
+    /**
+     * @var string
+     */
+    const STATUS_INFO = 'info';
+
+    /**
+     * @var string
+     */
+    const STATUS_OK = 'success';
+
+    /**
+     * @var string
+     */
+    const STATUS_WARNING = 'warning';
+
+    /**
+     * @var string
+     */
+    const STATUS_ERROR = 'danger';
+
+    /**
+     * @var int[]
+     */
+    protected static $statusIntegerMap = [
+        self::STATUS_NOTICE => -2,
+        self::STATUS_INFO => -1,
+        self::STATUS_OK => 0,
+        self::STATUS_WARNING => 1,
+        self::STATUS_ERROR => 2
+    ];
+
+    /**
+     * Check if the given status is greater than this status instance
+     *
+     * @param InformationStatus $status
+     * @return bool
+     */
+    public function isGreaterThan(InformationStatus $status)
+    {
+        return static::$statusIntegerMap[(string)$this] > static::$statusIntegerMap[(string)$status];
+    }
+}