From 3245209bdb9e656622756220c5bbeb80d3ae2eac Mon Sep 17 00:00:00 2001
From: Shyam Seshadri
Date: Wed, 2 Jun 2010 17:13:10 -0700
Subject: Add ability to add conditions to ng-required

---
 src/widgets.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/widgets.js b/src/widgets.js
index 09d743e9..42d56e20 100644
--- a/src/widgets.js
+++ b/src/widgets.js
@@ -35,16 +35,21 @@ function compileValidator(expr) {
 function valueAccessor(scope, element) {
   var validatorName = element.attr('ng-validate') || NOOP,
       validator = compileValidator(validatorName),
-      required = element.attr('ng-required'),
+      requiredExpr = element.attr('ng-required'),
       farmatterName = element.attr('ng-format') || NOOP,
       formatter = angularFormatter(farmatterName),
-      format, parse, lastError;
+      format, parse, lastError, required;
       invalidWidgets = scope.$invalidWidgets || {markValid:noop, markInvalid:noop};
   if (!validator) throw "Validator named '" + validatorName + "' not found.";
   if (!formatter) throw "Formatter named '" + farmatterName + "' not found.";
   format = formatter.format;
   parse = formatter.parse;
-  required = required || required === '';
+  if (requiredExpr) {
+    scope.$watch(requiredExpr, function(newValue) {required = newValue; validate();});
+  } else {
+    required = requiredExpr === '';
+  }
+  
 
   element.data('$validate', validate);
   return {
-- 
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