It is a multistep page's responsibility whether it is shown to the user

refs #6136

library/Icinga/Web/Wizard/Page.php

@@ -49,6 +49,18 @@ class Page extends Form
 
     }
 
+    /**
+     * Return whether this page needs to be shown to the user
+     *
+     * Overwrite this to add page specific handling
+     *
+     * @return  bool
+     */
+    public function isRequired()
+    {
+        return true;
+    }
+
     /**
      * Set the title for this wizard page
      *
@@ -70,7 +82,7 @@ class Page extends Form
     }
 
     /**
-     * Return a config containing all values of this wizard page
+     * Return a config containing all values provided by the user
      *
      * @return  Zend_Config
      */

library/Icinga/Web/Wizard/Wizard.php

@@ -8,6 +8,12 @@ use Zend_Config;
 use Icinga\Web\Form;
 use Icinga\Exception\ProgrammingError;
 
+/**
+ * Multistep form with support for nesting and dynamic behaviour
+ *
+ * @todo    Pages that were displayed initially and filled out by the user remain
+ *          currently in the configuration returned by Wizard::getConfig()
+ */
 class Wizard extends Page
 {
     /**
@@ -31,7 +37,7 @@ class Wizard extends Page
      */
     public function getPages()
     {
-        return $this->pages;
+        return array_filter($this->pages, function ($page) { return $page->isRequired(); });
     }
 
     /**