Allow broadcasting of the formName to validate

Allows passing the form name during broadcast to limit validation
e.g.

    $scope.$broadcast('schemaFormValidate', form.$name);

This allows nested or multiple forms within the same scope.

Author: tomsowerby

src/directives/schema-validate.js

@@ -106,7 +106,13 @@ angular.module('schemaForm').directive('schemaValidate', ['sfValidator', '$parse
         var schema = form.schema;
 
         // A bit ugly but useful.
-        scope.validateField =  function() {
+        scope.validateField =  function(formName) {
+          
+          // If we have specified a form name, and this model is not within 
+          // that form, then leave things be.
+          if(formName != undefined && ngModel.$$parentForm.$name !== formName) {
+            return;
+          }
 
           // Special case: arrays
           // TODO: Can this be generalized in a way that works consistently?
@@ -153,7 +159,9 @@ angular.module('schemaForm').directive('schemaValidate', ['sfValidator', '$parse
         });
 
         // Listen to an event so we can validate the input on request
-        scope.$on('schemaFormValidate', scope.validateField);
+        scope.$on('schemaFormValidate', function(event, formName) {
+          scope.validateField(formName);
+        });
 
         scope.schemaError = function() {
           return error;