From 001c1b8b55350578048652ccea3811328363a585 Mon Sep 17 00:00:00 2001
From: Philippe Lonchampt <philippelonchampt@gmail.com>
Date: Sun, 7 Feb 2016 15:14:55 +0100
Subject: [PATCH] Add Field Formatter feature

---
 .../Sharp/Config/SharpFormFieldConfig.php     | 24 +++++++++++++++++++
 .../Sharp/Form/Fields/AbstractSharpField.php  | 13 +++++++++-
 2 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/src/Dvlpp/Sharp/Config/SharpFormFieldConfig.php b/src/Dvlpp/Sharp/Config/SharpFormFieldConfig.php
index e076c4b..2e98e8a 100644
--- a/src/Dvlpp/Sharp/Config/SharpFormFieldConfig.php
+++ b/src/Dvlpp/Sharp/Config/SharpFormFieldConfig.php
@@ -45,6 +45,11 @@ abstract class SharpFormFieldConfig
      */
     protected $entity;
 
+    /**
+     * @var string
+     */
+    protected $formatter;
+
     /**
      * @param string $label
      * @return $this
@@ -160,4 +165,23 @@ public function entity()
     {
         return $this->entity;
     }
+
+    /**
+     * @param string $formatter
+     * @return $this
+     */
+    public function setFormatter($formatter)
+    {
+        $this->formatter = $formatter;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function formatter()
+    {
+        return $this->formatter;
+    }
 }
\ No newline at end of file
diff --git a/src/Dvlpp/Sharp/Form/Fields/AbstractSharpField.php b/src/Dvlpp/Sharp/Form/Fields/AbstractSharpField.php
index 326c9b2..ac5046a 100644
--- a/src/Dvlpp/Sharp/Form/Fields/AbstractSharpField.php
+++ b/src/Dvlpp/Sharp/Form/Fields/AbstractSharpField.php
@@ -103,7 +103,18 @@ function __construct($field, $attributes, $instance, $listKey)
 
         } else {
             // Value is instance->key
-            $this->fieldValue = $instance ? $instance->{$field->key()} : null;
+            if(!$instance) {
+                $this->fieldValue = null;
+
+            } else {
+                $this->fieldValue = $instance->{$field->key()};
+
+                if(strlen($this->fieldValue) && $field->formatter()) {
+                    // There's a field formatter (for value display in form)
+                    $formatter = app($field->formatter());
+                    $this->fieldValue = $formatter->fieldValue($this->fieldValue);
+                }
+            }
         }
     }