Added option to fill the form by adding the data parameter to the options.

lib/Lewp/Forms/Torunn.php

@@ -0,0 +1,70 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Lewp\Forms;
+
+class Torunn
+{
+
+    private static $direct_inputs = [
+        'input'
+    ];
+
+    private static $indirect_inputs = [
+        'select'
+    ];
+
+    public static function fill(\DOMNode $form, array $data_array)
+    {
+        self::traverse($form, $data_array);
+    }
+
+    private static function traverse($node, array &$data, bool $recursive = true)
+    {
+        $children = $node->childNodes;
+        $children_count = count($children);
+        for ($i = 0; $i < $children_count; ++$i) {
+            $child = $children[$i];
+
+            if (in_array($child->tagName, self::$direct_inputs)) {
+                self::fillDirectInput($child, array_shift($data) ?? '');
+                continue;
+                //$child->setAttribute('value', array_shift($data) ?? 'empty');
+            }
+
+            if ($child->tagName === 'select') {
+                self::fillSelectElement($child, array_shift($data) ?? '');
+                continue;
+            }
+
+            if ($recursive) {
+                self::traverse($child, $data);
+            }
+        }
+    }
+
+    private static function fillDirectInput($node, $value)
+    {
+        if ($value === '') {
+            return;
+        }
+        $node->setAttribute('value', $value);
+    }
+
+    private static function fillSelectElement($node, $value)
+    {
+        if ($value === '') {
+            return;
+        }
+        $children = $node->childNodes;
+        foreach ($children as $child) {
+            if (($child->tagName === 'option')
+                && ($child->getAttribute('value') === $value)
+            ) {
+                $child->setAttribute('selected', 'selected');
+                return;
+            }
+        }
+    }
+}

module.php

@@ -1,12 +1,14 @@
 <?php
 
 use Lewp\{Module, Resolve, VarFolder};
+use Lewp\Forms\Torunn;
 
 return new class extends Module
 {
     const OPTIONS_ELEMENTS = 'elements';
     const OPTIONS_ELEMENT = 'element';
     const OPTIONS_LABEL = 'label';
+    const OPTIONS_DATA = 'data';
 
     // element specific
     const OPTIONS_SHOW_PLACEHOLDER = 'show_placeholder';
@@ -154,9 +156,6 @@ return new class extends Module
         );
     }
 
-    /**
-     * \brief IMPORTANT: Needs to be called AFTER setupForm to work correctly!
-     */
     private function isSubmitted()
     {
         return count($this->collectFormKeys()) > 0;
@@ -193,6 +192,10 @@ return new class extends Module
 
     public function run(array $options = []) : bool
     {
+        // add default options
+        $options += [
+            self::OPTIONS_DATA => [],
+        ];
         // SETUP FORM ATTRIBUTES
         $this->setAttribute('method', $options[self::OPTIONS_METHOD] ?? 'POST');
         $this->setAttribute(
@@ -200,8 +203,13 @@ return new class extends Module
             $this->processAction($options[self::OPTIONS_ACTION]) ?? '/'
         );
 
-
         $this->setupForm($options[self::OPTIONS_ELEMENTS]);
+
+        // if data is present, filter the correct keys and fill the form
+        if (!empty($options[self::OPTIONS_DATA])) {
+            Torunn::fill($this, $options[self::OPTIONS_DATA]);
+        }
+
         if ($this->isSubmitted()) {
             return false;
         }