From ad27ab206d8c9ef8cea635c34aadd6e0ac65e8db Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Mon, 8 Jun 2015 14:39:12 +0200
Subject: [PATCH] IcingaCommandArgumentForm: detect custom variables

---
 .../forms/IcingaCommandArgumentForm.php       | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/application/forms/IcingaCommandArgumentForm.php b/application/forms/IcingaCommandArgumentForm.php
index 6619207f..b83cbad3 100644
--- a/application/forms/IcingaCommandArgumentForm.php
+++ b/application/forms/IcingaCommandArgumentForm.php
@@ -27,6 +27,19 @@ class IcingaCommandArgumentForm extends DirectorObjectForm
 
         $this->addHidden('value_format', 'string'); // expression, json?
 
+    }
+
+
+    protected function beforeValidation($data = array())
+    {
+        if (isset($data['argument_value']) && $value = $data['argument_value']) {
+            if (preg_match_all('/\$([a-z0-9_]+)\$/',  $value, $m, PREG_PATTERN_ORDER)) {
+                foreach ($m[1] as $var) {
+                    $this->addCustomVariable($var);
+                }
+            }
+        }
+
 /*
         $this->optionalBoolean(
             'required',
@@ -36,4 +49,22 @@ class IcingaCommandArgumentForm extends DirectorObjectForm
 */
         $this->addElement('submit', $this->translate('Store'));
     }
+
+    protected function addCustomVariable($varname)
+    {
+        $a = new \Zend_Form_SubForm();
+        $a->addElement('note', 'title', array(
+            'label' => sprintf($this->translate('Custom Variable "%s"'), $varname),
+        ));
+
+        $a->addElement('text', 'description', array(
+            'label'     => $this->translate('Description'),
+            'required' => true,
+        ));
+
+        $a->addElement('text', 'default_value', array(
+            'label'     => $this->translate('Default value'),
+        ));
+        $this->addSubForm($a, 'cv_' . $varname);
+    }
 }