FormSimpleNote: do not use "Note" from ZF

For compatibility reasons we'll not use 'note' anymore, it isn't part
of older Zend Framework versions

fixes #11297

application/forms/IcingaCommandArgumentForm.php

@@ -84,7 +84,7 @@ class IcingaCommandArgumentForm extends DirectorObjectForm
     protected function addCustomVariable($varname)
     {
         $a = new \Zend_Form_SubForm();
-        $a->addElement('note', 'title', array(
+        $a->addElement('simpleNote', 'title', array(
             'label' => sprintf($this->translate('Custom Variable "%s"'), $varname),
         ));
 

application/views/helpers/FormSimpleNote.php

@@ -0,0 +1,11 @@
+<?php
+
+class Zend_View_Helper_FormSimpleNote extends Zend_View_Helper_FormElement
+{
+    public function formSimpleNote($name, $value = null)
+    {
+        $info = $this->_getInfo($name, $value);
+        extract($info); // name, value, attribs, options, listsep, disable
+        return $value;
+    }
+}

library/Director/Web/Form/DirectorObjectForm.php

@@ -77,7 +77,7 @@ abstract class DirectorObjectForm extends QuickForm
 
         /*
         // TODO implement when new logic is there
-        $this->addElement('note', '_newrange_hint', array('label' => 'New range'));
+        $this->addElement('simpleNote', '_newrange_hint', array('label' => 'New range'));
         $this->addElement('text', '_newrange_name', array(
             'label' => 'Name'
         ));

library/Director/Web/Form/Element/SimpleNote.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Icinga\Module\Director\Web\Form\Element;
+
+class SimpleNote extends FormElement
+{
+    public $helper = 'formSimpleNote';
+    
+    protected $_ignore = true;
+    
+    public function isValid($value, $context = null)
+    {
+        return true;
+    }
+}

library/Director/Web/Form/QuickForm.php

@@ -246,7 +246,7 @@ abstract class QuickForm extends Zend_Form
     public function addHtml($html, $options = array())
     {
         $name = '_HINT' . ++$this->hintCount;
-        $this->addElement('note', $name, $options);
+        $this->addElement('simpleNote', $name, $options);
         $this->getElement($name)
             ->setValue($html)
             ->setIgnore(true)