Add icon helper

application/views/helpers/Icon.php

@@ -0,0 +1,44 @@
+<?php
+// @codingStandardsIgnoreStart
+
+// {{{ICINGA_LICENSE_HEADER}}}
+// {{{ICINGA_LICENSE_HEADER}}}
+
+use Icinga\Web\Url;
+
+/**
+ * Class Zend_View_Helper_Icon
+ */
+class Zend_View_Helper_Icon extends Zend_View_Helper_Abstract
+{
+    public function icon($img, $title = null, array $properties = array())
+    {
+        $attributes = array();
+        $has_alt = false;
+        $has_class = false;
+        foreach ($properties as $key => $val) {
+            $attributes[] = sprintf(
+                '%s="%s"',
+                filter_var($key, FILTER_SANITIZE_URL),
+                filter_var($val, FILTER_SANITIZE_FULL_SPECIAL_CHARS)
+            );
+        }
+        if (! array_key_exists('alt', $properties)) {
+            $attributes[] = 'alt=""';
+        }
+        if (! array_key_exists('class', $properties)) {
+            $attributes[] = 'class="icon"';
+        }
+        if (! array_key_exists('title', $properties) && $title !== null) {
+            $attributes[] = 'title="' . htmlspecialchars($title) . '"';
+        }
+
+        return sprintf(
+            '<img src="%s"%s />',
+            Url::fromPath('img/icons/' . $img),
+            !empty($attributes) ? ' ' . implode(' ', $attributes) : ''
+        );
+    }
+}
+
+// @codingStandardsIgnoreStart

public/css/icinga/monitoring-colors.less

@@ -99,10 +99,8 @@ table.action td.timesince {
 /* State row behaviour */
 
 tr.state img.icon {
-  /* TODO: 1em? */
-  height: 16px;
-  width: 16px;
-  float: right;
+  height: 1em;
+  width: 1em;
 }
 
 tr.state a {