1 files changed, 54 insertions, 0 deletions
diff --git a/library/Director/PropertyModifier/PropertyModifierSubstring.php b/library/Director/PropertyModifier/PropertyModifierSubstring.php
new file mode 100644
index 0000000..37a2f92
--- /dev/null
+++ b/library/Director/PropertyModifier/PropertyModifierSubstring.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace Icinga\Module\Director\PropertyModifier;
+
+use Icinga\Module\Director\Hook\PropertyModifierHook;
+use Icinga\Module\Director\Web\Form\QuickForm;
+
+class PropertyModifierSubstring extends PropertyModifierHook
+{
+    public static function addSettingsFormFields(QuickForm $form)
+    {
+        $form->addElement('text', 'start', array(
+            'label'       => 'Start',
+            'required'    => true,
+            'description' => sprintf(
+                $form->translate(
+                    'Please see %s for detailled instructions of how start and end work'
+                ),
+                'http://php.net/manual/en/function.substr.php'
+            )
+        ));
+
+        $form->addElement('text', 'length', array(
+            'label'    => 'End',
+            'description' => sprintf(
+                $form->translate(
+                    'Please see %s for detailled instructions of how start and end work'
+                ),
+                'http://php.net/manual/en/function.substr.php'
+            )
+        ));
+    }
+
+    public function transform($value)
+    {
+        if ($value === null) {
+            return null;
+        }
+
+        $length = $this->getSetting('length');
+        if (is_numeric($length)) {
+            return substr(
+                $value,
+                (int) $this->getSetting('start'),
+                (int) $length
+            );
+        } else {
+            return substr(
+                $value,
+                (int) $this->getSetting('start')
+            );
+        }
+    }
+}