1 files changed, 72 insertions, 0 deletions
diff --git a/library/Icinga/Web/Navigation/Renderer/SummaryNavigationItemRenderer.php b/library/Icinga/Web/Navigation/Renderer/SummaryNavigationItemRenderer.php
new file mode 100644
index 0000000..2916f4e
--- /dev/null
+++ b/library/Icinga/Web/Navigation/Renderer/SummaryNavigationItemRenderer.php
@@ -0,0 +1,72 @@
+<?php
+/* Icinga Web 2 | (c) 2015 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Web\Navigation\Renderer;
+
+/**
+ * Badge renderer summing up the worst state of its children
+ */
+class SummaryNavigationItemRenderer extends BadgeNavigationItemRenderer
+{
+    /**
+     * Cached count
+     *
+     * @var int
+     */
+    protected $count;
+
+    /**
+     * State to severity map
+     *
+     * @var array
+     */
+    protected static $stateSeverityMap = array(
+        self::STATE_OK          => 0,
+        self::STATE_PENDING     => 1,
+        self::STATE_UNKNOWN     => 2,
+        self::STATE_WARNING     => 3,
+        self::STATE_CRITICAL    => 4,
+    );
+
+    /**
+     * Severity to state map
+     *
+     * @var array
+     */
+    protected static $severityStateMap = array(
+        self::STATE_OK,
+        self::STATE_PENDING,
+        self::STATE_UNKNOWN,
+        self::STATE_WARNING,
+        self::STATE_CRITICAL
+    );
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getCount()
+    {
+        if ($this->count === null) {
+            $countMap = array_fill(0, 5, 0);
+            $maxSeverity = 0;
+            $titles = array();
+            foreach ($this->getItem()->getChildren() as $child) {
+                $renderer = $child->getRenderer();
+                if ($renderer instanceof BadgeNavigationItemRenderer) {
+                    $count = $renderer->getCount();
+                    if ($count) {
+                        $severity = static::$stateSeverityMap[$renderer->getState()];
+                        $countMap[$severity] += $count;
+                        $titles[] = $renderer->getTitle();
+                        $maxSeverity = max($maxSeverity, $severity);
+                    }
+                }
+            }
+            $this->count = $countMap[$maxSeverity];
+            $this->state = static::$severityStateMap[$maxSeverity];
+            $this->title = implode('. ', $titles);
+        }
+
+        return $this->count;
+    }
+}