1 files changed, 65 insertions, 0 deletions
diff --git a/library/Icinga/Chart/Palette.php b/library/Icinga/Chart/Palette.php
new file mode 100644
index 0000000..90ad74b
--- /dev/null
+++ b/library/Icinga/Chart/Palette.php
@@ -0,0 +1,65 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Chart;
+
+/**
+ * Provide a set of colors that will be used by the chart as default values
+ */
+class Palette
+{
+    /**
+     * Neutral colors without special meaning
+     */
+    const NEUTRAL = 'neutral';
+
+    /**
+     * A set of problem (i.e. red) colors
+     */
+    const PROBLEM = 'problem';
+
+    /**
+     * A set of ok (i.e. green) colors
+     */
+    const OK = 'ok';
+
+    /**
+     * A set of warning (i.e. yellow) colors
+     */
+    const WARNING = 'warning';
+
+    /**
+     * The colorsets for specific categories
+     *
+     * @var array
+     */
+    public $colorSets = array(
+        self::OK      => array('#00FF00'),
+        self::PROBLEM => array('#FF0000'),
+        self::WARNING => array('#FFFF00'),
+        self::NEUTRAL => array('#f3f3f3')
+    );
+
+    /**
+     * Return the next available color as an hex string for the given type
+     *
+     * @param   string $type    The type to receive a color from
+     *
+     * @return  string          The color in hex format
+     */
+    public function getNext($type = self::NEUTRAL)
+    {
+        if (!isset($this->colorSets[$type])) {
+            $type = self::NEUTRAL;
+        }
+
+        $color = current($this->colorSets[$type]);
+        if ($color === false) {
+            reset($this->colorSets[$type]);
+
+            $color = current($this->colorSets[$type]);
+        }
+        next($this->colorSets[$type]);
+        return $color;
+    }
+}