Initial commit

public/kirby/src/Form/Fields.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace Kirby\Form;
+
+use Closure;
+use Kirby\Toolkit\Collection;
+
+/**
+ * A collection of Field objects
+ *
+ * @package   Kirby Form
+ * @author    Bastian Allgeier <bastian@getkirby.com>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier
+ * @license   https://opensource.org/licenses/MIT
+ */
+class Fields extends Collection
+{
+	/**
+	 * Internal setter for each object in the Collection.
+	 * This takes care of validation and of setting
+	 * the collection prop on each object correctly.
+	 *
+	 * @param object|array $field
+	 */
+	public function __set(string $name, $field): void
+	{
+		if (is_array($field) === true) {
+			// use the array key as name if the name is not set
+			$field['name'] ??= $name;
+			$field = Field::factory($field['type'], $field, $this);
+		}
+
+		parent::__set($field->name(), $field);
+	}
+
+	/**
+	 * Converts the fields collection to an
+	 * array and also does that for every
+	 * included field.
+	 */
+	public function toArray(Closure $map = null): array
+	{
+		$array = [];
+
+		foreach ($this as $field) {
+			$array[$field->name()] = $field->toArray();
+		}
+
+		return $array;
+	}
+}