first version

kirby/config/fields/checkboxes.php

@@ -0,0 +1,64 @@
+<?php
+
+use Kirby\Toolkit\A;
+use Kirby\Toolkit\Str;
+
+return [
+    'mixins' => ['options'],
+    'props' => [
+        /**
+         * Unset inherited props
+         */
+        'after'       => null,
+        'before'      => null,
+        'icon'        => null,
+        'placeholder' => null,
+
+        /**
+         * Arranges the checkboxes in the given number of columns
+         */
+        'columns' => function (int $columns = 1) {
+            return $columns;
+        },
+        /**
+         * Default value for the field, which will be used when a Page/File/User is created
+         */
+        'default' => function ($default = null) {
+            return Str::split($default, ',');
+        },
+        /**
+         * Maximum number of checked boxes
+         */
+        'max' => function (int $max = null) {
+            return $max;
+        },
+        /**
+         * Minimum number of checked boxes
+         */
+        'min' => function (int $min = null) {
+            return $min;
+        },
+        'value' => function ($value = null) {
+            return Str::split($value, ',');
+        },
+    ],
+    'computed' => [
+        'options' => function (): array {
+            return $this->getOptions();
+        },
+        'default' => function () {
+            return $this->sanitizeOptions($this->default);
+        },
+        'value' => function () {
+            return $this->sanitizeOptions($this->value);
+        },
+    ],
+    'save' => function ($value): string {
+        return A::join($value, ', ');
+    },
+    'validations' => [
+        'options',
+        'max',
+        'min'
+    ]
+];