From 161bf8540f5d5528bc9a30751db5b9c729cb5410 Mon Sep 17 00:00:00 2001
From: Luke Towers <github@luketowers.ca>
Date: Wed, 24 Jun 2020 11:45:16 -0600
Subject: [PATCH] Add demo of dynamically added fileupload field reliant on
 AJAX request data being present to exist

---
 controllers/Countries.php  | 24 ++++++++++++++++++++++++
 models/Country.php         |  4 ++++
 models/country/fields.yaml |  9 +++++++++
 3 files changed, 37 insertions(+)

diff --git a/controllers/Countries.php b/controllers/Countries.php
index 084e2fb..e4d1843 100644
--- a/controllers/Countries.php
+++ b/controllers/Countries.php
@@ -1,5 +1,6 @@
 <?php namespace October\Test\Controllers;
 
+use Request;
 use BackendMenu;
 use Backend\Classes\Controller;
 
@@ -24,4 +25,27 @@ public function __construct()
 
         BackendMenu::setContext('October.Test', 'test', 'countries');
     }
+
+    public function formExtendFields($form)
+    {
+        if (!$form->isNested && $form->model instanceof \October\Test\Models\Country) {
+            $isActive = false;
+            if (Request::ajax()) {
+                $isActive = input('Country[is_active]', false);
+            } elseif ($form->model->exists) {
+                $isActive = $form->model->is_active;
+            }
+
+            if ($isActive) {
+                $form->addFields([
+                    'dynamic_flags' => [
+                        'label' => 'Active Flags (Dynamic Fileupload Field)',
+                        'type' => 'fileupload',
+                        'mode' => 'image',
+                        'span' => 'right',
+                    ],
+                ]);
+            }
+        }
+    }
 }
diff --git a/models/Country.php b/models/Country.php
index dd970d0..70f7b28 100644
--- a/models/Country.php
+++ b/models/Country.php
@@ -39,6 +39,10 @@ class Country extends Model
             'conditions' => "type = 'general.type'"
         ],
     ];
+    public $attachMany = [
+        'flags' => ['System\Models\File'],
+        'dynamic_flags' => ['System\Models\File'],
+    ];
 
     /**
      * Softly implement the TranslatableModel behavior.
diff --git a/models/country/fields.yaml b/models/country/fields.yaml
index 5c554f4..9f44cd9 100644
--- a/models/country/fields.yaml
+++ b/models/country/fields.yaml
@@ -16,11 +16,20 @@ fields:
             field: name
             type: slug
 
+    flags:
+        label: Flags (Static Fileupload Field)
+        type: fileupload
+        mode: image
+        span: full
+
     is_active:
         label: Active
         comment: Check this box to hide some tabs, using depends and trigger API.
         type: checkbox
+        span: left
         default: true
+        attributes:
+            onchange: "$(this).request('form::onRefresh');"
 
 tabs:
     lazy: