Add new methods to FormElement class

$formElement->required('Please inser First name');

or

$formElement->addValidationMessage('required', ''Please inser First name');

or

$formElement->setValidationMessages([
    'required', ''Please inser First name'
    'unique', ''First name exists!'
]);

issue #5

src/Form/Element/BaseFormElement.php

@@ -31,46 +31,34 @@ public function initialize()
     }
 
     /**
-     * @return string
+     * @return array
      */
-    public function getView()
+    public function getValidationRules()
     {
-        if (is_null($this->view)) {
-            $reflect    = new \ReflectionClass($this);
-            $this->view = strtolower($reflect->getShortName());
-        }
-
-        return $this->view;
+        return $this->validationRules;
     }
 
     /**
-     * @return Model
+     * @return array
      */
-    public function getModel()
+    public function getValidationMessages()
     {
-        return $this->model;
+        return [];
     }
 
     /**
-     * @param Model $model
+     * @param string      $rule
+     * @param string|null $message
      *
      * @return $this
      */
-    public function setModel(Model $model)
+    public function addValidationRule($rule, $message = null)
     {
-        $this->model = $model;
+        $this->validationRules[] = $rule;
 
         return $this;
     }
 
-    /**
-     * @return array
-     */
-    public function getValidationRules()
-    {
-        return $this->validationRules;
-    }
-
     /**
      * @param array|string $validationRules
      *
@@ -90,19 +78,41 @@ public function setValidationRules($validationRules)
     }
 
     /**
-     * @param string $rule
+     * @return string
+     */
+    public function getView()
+    {
+        if (is_null($this->view)) {
+            $reflect    = new \ReflectionClass($this);
+            $this->view = strtolower($reflect->getShortName());
+        }
+
+        return $this->view;
+    }
+
+    /**
+     * @return Model
+     */
+    public function getModel()
+    {
+        return $this->model;
+    }
+
+    /**
+     * @param Model $model
      *
      * @return $this
      */
-    public function addValidationRule($rule)
+    public function setModel(Model $model)
     {
-        $this->validationRules[] = $rule;
+        $this->model = $model;
 
         return $this;
     }
 
     public function save()
     {
+
     }
 
     /**

src/Form/Element/Columns.php

@@ -89,6 +89,7 @@ public function getParams()
     public function getValidationRules()
     {
         $rules = parent::getValidationRules();
+
         foreach ($this->getColumns() as $columnItems) {
             foreach ($columnItems as $item) {
                 if ($item instanceof FormElementInterface) {
@@ -100,6 +101,24 @@ public function getValidationRules()
         return $rules;
     }
 
+    /**
+     * @return array
+     */
+    public function getValidationMessages()
+    {
+        $messages = [];
+
+        foreach ($this->getColumns() as $columnItems) {
+            foreach ($columnItems as $item) {
+                if ($item instanceof NamedFormElement) {
+                    $messages += $item->getValidationMessages();
+                }
+            }
+        }
+
+        return $messages;
+    }
+
     public function save()
     {
         parent::save();

src/Form/Element/NamedFormElement.php

@@ -40,6 +40,10 @@ abstract class NamedFormElement extends BaseFormElement
      * @var bool
      */
     protected $readonly;
+    /**
+     * @var array
+     */
+    protected $validationMessages = [];
 
     /**
      * @param string      $path
@@ -200,6 +204,86 @@ public function setReadonly($readonly)
         return $this;
     }
 
+    /**
+     * @param string      $rule
+     * @param string|null $message
+     *
+     * @return $this
+     */
+    public function addValidationRule($rule, $message = null)
+    {
+        parent::addValidationRule($rule);
+
+        if (! is_null($message)) {
+            $this->addValidationMessage($rule, $message);
+        }
+
+        return $this;
+    }
+
+    /**
+     * @param string|null $message
+     *
+     * @return $this
+     */
+    public function required($message = null)
+    {
+        $this->addValidationRule('required', $message);
+
+        return $this;
+    }
+
+    /**
+     * @param string|null $message
+     *
+     * @return $this
+     */
+    public function unique($message = null)
+    {
+        $this->addValidationRule('_unique', $message);
+
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function getValidationMessages()
+    {
+        $messages = parent::getValidationMessages();
+
+        foreach ($this->validationMessages as $rule => $message) {
+            $messages[$this->getName().'.'.$rule] = $message;
+        }
+
+        return $messages;
+    }
+
+    /**
+     * @param array $validationMessages
+     *
+     * @return $this
+     */
+    public function setValidationMessages($validationMessages)
+    {
+        $this->validationMessages = $validationMessages;
+
+        return $this;
+    }
+
+    /**
+     * @param string $rule
+     * @param string $message
+     *
+     * @return $this
+     */
+    public function addValidationMessage($rule, $message)
+    {
+        $this->validationMessages[$rule] = $message;
+
+        return $this;
+    }
+
     /**
      * @return mixed
      */
@@ -244,26 +328,6 @@ public function getValidationRules()
         return [$this->getName() => $rules];
     }
 
-    /**
-     * @return $this
-     */
-    public function required()
-    {
-        $this->addValidationRule('required');
-
-        return $this;
-    }
-
-    /**
-     * @return $this
-     */
-    public function unique()
-    {
-        $this->addValidationRule('_unique');
-
-        return $this;
-    }
-
     /**
      * @return array
      */

src/Form/FormDefault.php

@@ -378,17 +378,21 @@ public function validate(ModelConfiguration $model)
         }
 
         $rules = [];
+        $messages = [];
 
-        $this->getItems()->each(function ($item) use (&$rules) {
+        $this->getItems()->each(function ($item) use (&$rules, &$messages) {
             if ($item instanceof FormElementInterface) {
                 $rules += $item->getValidationRules();
+                $messages += $item->getValidationMessages();
             }
         });
 
         $data     = Request::all();
+
         $verifier = app('validation.presence');
         $verifier->setConnection($this->getModelObject()->getConnectionName());
-        $validator = Validator::make($data, $rules);
+
+        $validator = Validator::make($data, $rules, $messages);
         $validator->setPresenceVerifier($verifier);
 
         if ($validator->fails()) {