Added InvalidArgumentException (#692)

Author: ukeloop

src/Kris/LaravelFormBuilder/Fields/EntityType.php

@@ -103,6 +103,12 @@ protected function pluck($value, $key, $data)
             //laravel 5.2.*
             return $data->lists($value, $key);
         }
+
+        throw new \InvalidArgumentException(sprintf(
+            'Please provide valid "property" option for entity field [%s] in form class [%s]',
+            $this->getRealName(),
+            get_class($this->parent)
+        ));
     }
 
     protected function get($data)
@@ -115,5 +121,11 @@ protected function get($data)
             //laravel 5.3.*
             return $data->get();
         }
+
+        throw new \InvalidArgumentException(sprintf(
+            'Please provide valid "query_builder" option for entity field [%s] in form class [%s]',
+            $this->getRealName(),
+            get_class($this->parent)
+        ));
     }
 }

src/Kris/LaravelFormBuilder/Fields/FormField.php

@@ -239,13 +239,24 @@ protected function getRenderData()
     protected function getModelValueAttribute($model, $name)
     {
         $transformedName = $this->transformKey($name);
+
+        if (is_null($model)) {
+            return null;
+        }
+
         if (is_string($model)) {
             return $model;
-        } elseif (is_object($model)) {
+        }
+
+        if (is_object($model)) {
             return object_get($model, $transformedName);
-        } elseif (is_array($model)) {
+        }
+
+        if (is_array($model)) {
             return Arr::get($model, $transformedName);
         }
+
+        throw new \InvalidArgumentException('Invalid model given to field');
     }
 
     /**