allow passing form fields with inline create dialog

src/resources/views/crud/fields/relationship/fetch_or_create.blade.php

@@ -71,6 +71,19 @@
 
         //route to modal
         $field['inline_create']['modal_route'] = route($field['inline_create']['entity']."-inline-create");
+
+        //include main form fields in the request when asking for modal data,
+        //allow the developer to modify the inline create modal
+        //based on some field on the main form
+        $field['inline_create']['include_main_form_fields'] = $field['inline_create']['include_main_form_fields'] ?? false;
+
+        if($field['inline_create']['include_main_form_fields'] !== false || $field['inline_create']['include_main_form_fields'] !== true) {
+            if(is_array($field['inline_create']['include_main_form_fields'])) {
+                $field['inline_create']['include_main_form_fields'] = json_encode($field['inline_create']['include_main_form_fields']);
+            }else{
+                $field['inline_create']['include_main_form_fields'] = json_encode([$field['inline_create']['include_main_form_fields']]);
+            }
+        }
     }
 }
 
@@ -105,6 +118,7 @@
         data-field-ajax="{{var_export($field['ajax'])}}"
         data-inline-modal-class="{{ $field['inline_create']['modal_class'] }}"
         data-app-current-lang="{{ app()->getLocale() }}"
+        data-include-main-form-fields="{{$field['inline_create']['include_main_form_fields']}}"
 
         @if($activeInlineCreate)
             @include('crud::fields.relationship.field_attributes')
@@ -236,6 +250,9 @@ function setupInlineCreateButtons(element) {
     var $inlineModalRoute = element.attr('data-inline-modal-route');
     var $inlineModalClass = element.attr('data-inline-modal-class');
     var $parentLoadedFields = element.attr('data-parent-loaded-fields');
+    var $includeMainFormFields = element.attr('data-include-main-form-fields');
+    var $form = element.closest('form');
+
     $inlineCreateButtonElement.on('click', function () {
 
         //we change button state so users know something is happening.
@@ -245,14 +262,44 @@ function setupInlineCreateButtons(element) {
             $inlineCreateButtonElement.html(loadingText);
 
 
+        }
+        //prepare main form fields to be submited in case there are some.
+        //if result is "1" it means all form fields will be passed, developer passed "true".
+        if($includeMainFormFields == 1) {
+            var $toPass = $form.serializeArray();
+            $includeMainFormFields = true;
+        }else{
+            $fields = JSON.parse($includeMainFormFields);
+            $serializedForm = $form.serializeArray();
+            var $toPass = [];
+            $fields.forEach(function(value, index) {
+                $valueFromForm = $serializedForm.filter(field => field.name === value);
+                $toPass.push($valueFromForm[0]);
+
+            });
+            //if it's undefined here, developer passed false.
+            if(typeof $toPass[0] === "undefined") {
+                $includeMainFormFields = false;
+            }
         }
         $.ajax({
             url: $inlineModalRoute,
-            data: {
-                'entity': $fieldEntity,
-                'modal_class' : $inlineModalClass,
-                'parent_loaded_fields' : $parentLoadedFields,
-            },
+            data: (function() {
+                if($includeMainFormFields) {
+                    return {
+                        'entity': $fieldEntity,
+                        'modal_class' : $inlineModalClass,
+                        'parent_loaded_fields' : $parentLoadedFields,
+                        'main_form_fields' : $toPass
+                    };
+                }else{
+                    return {
+                        'entity': $fieldEntity,
+                        'modal_class' : $inlineModalClass,
+                        'parent_loaded_fields' : $parentLoadedFields
+                    };
+                }
+            })(),
             type: 'POST',
             success: function (result) {
                 $('body').append(result);