From e0b3003d0679e806bd709d9507a285aa02e15936 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Thu, 18 Feb 2016 23:33:44 +0100
Subject: [PATCH] ImportRowModifierForm: implement basic functionality

---
 application/forms/ImportRowModifierForm.php | 110 ++++++++++++++------
 1 file changed, 78 insertions(+), 32 deletions(-)

diff --git a/application/forms/ImportRowModifierForm.php b/application/forms/ImportRowModifierForm.php
index a078611d..341dfb6f 100644
--- a/application/forms/ImportRowModifierForm.php
+++ b/application/forms/ImportRowModifierForm.php
@@ -2,51 +2,97 @@
 
 namespace Icinga\Module\Director\Forms;
 
+use Icinga\Application\Hook;
+use Icinga\Module\Director\Objects\ImportSource;
 use Icinga\Module\Director\Web\Form\DirectorObjectForm;
 
 class ImportRowModifierForm extends DirectorObjectForm
 {
+    protected $source;
+
     public function setup()
     {
-        $this->addElement('text', 'source_name', array(
-            'label' => $this->translate('Source name'),
+        $this->addHidden('source_id', $this->source->id);
+        $this->addHidden('priority', 1);
+
+        $this->addElement('text', 'property_name', array(
+            'label' => $this->translate('Property'),
+            'description' => $this->translate('This must be an import source column'),
             'required'    => true,
         ));
 
-        $this->addElement('text', 'source_field', array(
-            'label' => $this->translate('Source field'),
-            'description' => $this->translate('This must be a column from the source'),
-            'required'    => true,
+        $error = false;
+        try {
+            $mods = $this->enumModifiers();
+        } catch (Exception $e) {
+            $error = $e->getMessage();
+            $mods = $this->optionalEnum(array());
+        }
+        
+        $this->addElement('select', 'provider_class', array(
+            'label'        => $this->translate('Modifier'),
+            'required'     => true,
+            'multiOptions' => $this->optionalEnum($mods),
+            'class'        => 'autosubmit',
         ));
+        if ($error) {
+            $this->getElement('provider_class')->addError($error);
+        }
 
-	$this->addElement('text', 'destination_field', array(
-            'label' => $this->translate('Destination field'),
-            'description' => $this->translate('The value of the source will be transformed to the given attribute'),
-            'required'    => true,
-        ));
+        try {
+            if ($class = $this->getSentValue('provider_class')) {
+                if ($class && array_key_exists($class, $mods)) {
+                    $this->addSettings($class);
+                }
+            } elseif ($class = $this->object()->provider_class) {
+                $this->addSettings($class);
+            }
 
-	$this->addElement('text', 'priority', array(
-	    'label' => $this->translate('Priority'),
-	    'description' => $this->translate('This allows to prioritize the import of a field, synced from different sources for the same object'),
-	    'required'    => true,
-	));
-
-	$this->addElement('text', 'filter', array(
-            'label' => $this->translate('Filter Expression'),
-            'description' => $this->translate('This allows to filter for specific parts within the given source field'),
-            'required'    => true,
-        ));
-	
-        $this->addElement('select', 'merge', array(
-            'label'       => $this->translate('Source Type'),
-            'required'    => true,
-            'multiOptions' => array( 
-			'null'     => '- please choose -',
-			'merge'	   => 'merge',
-			'override' => 'override'
-	    )
-        ));
+            // TODO: next line looks like obsolete duplicate code to me
+            $this->addSettings();
+        } catch (Exception $e) {
+            $this->getElement('provider_class')->addError($e->getMessage());
+        }
 
+        foreach ($this->object()->getSettings() as $key => $val) {
+            if ($el = $this->getElement($key)) {
+                $el->setValue($val);
+            }
+        }
     }
 
+    protected function enumModifiers()
+    {
+        $hooks = Hook::all('Director\\PropertyModifier');
+        $enum = array();
+        foreach ($hooks as $hook) {
+            $enum[get_class($hook)] = $hook->getName();
+        }
+
+        return $enum;
+    }
+
+    protected function addSettings($class = null)
+    {
+        if ($class === null) {
+            $class = $this->getValue('provider_class');
+        }
+
+        if ($class !== null) {
+            if (! class_exists($class)) {
+                throw new ConfigurationError(
+                    'The hooked class "%s" for this property modifier does no longer exist',
+                    $class
+                );
+            }
+
+            $class::addSettingsFormFields($this);
+        }
+    }
+
+    public function setSource(ImportSource $source)
+    {
+        $this->source = $source;
+        return $this;
+    }
 }