From 033636629a1f3be8d7f8792f8a8be3d5a26cf744 Mon Sep 17 00:00:00 2001
From: Jonny Buchanan <jonathan.buchanan@gmail.com>
Date: Wed, 8 Apr 2015 21:44:21 +0100
Subject: [PATCH] When given a fieldRef callback, pass widgets a ref callback
 and call the given callback with additional field and form details

---
 src/BoundField.js | 5 +++++
 src/Form.js       | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/BoundField.js b/src/BoundField.js
index 31a1b0d..77bca29 100644
--- a/src/BoundField.js
+++ b/src/BoundField.js
@@ -198,6 +198,11 @@ BoundField.prototype.asWidget = function(kwargs) {
   if (typeof attrs.key == 'undefined') {
     attrs.key = name
   }
+  if (this.form.fieldRef) {
+    attrs.ref = (ref) => {
+      this.form.fieldRef(ref, this.name, this.form)
+    }
+  }
 
   var validation = this._getValidation(widget)
 
diff --git a/src/Form.js b/src/Form.js
index f318f0b..2198baf 100644
--- a/src/Form.js
+++ b/src/Form.js
@@ -58,7 +58,7 @@ var Form = Concur.extend({
       data: null, files: null, autoId: 'id_{name}', prefix: null,
       initial: null, errorConstructor: ErrorList, labelSuffix: ':',
       emptyPermitted: false, validation: null, controlled: false,
-      onChange: null, errors: null
+      onChange: null, errors: null, fieldRef: null
     }, kwargs)
     this.isInitialRender = (kwargs.data == null && kwargs.files == null)
     this.data = kwargs.data || {}
@@ -72,6 +72,7 @@ var Form = Concur.extend({
     this.emptyPermitted = kwargs.emptyPermitted
     this.controlled = kwargs.controlled
     this.onChange = kwargs.onChange
+    this.fieldRef = kwargs.fieldRef
 
     // Auto validation is implied when onChange is passed
     if (is.Function(kwargs.onChange)) {