Merge pull request #5 from LaustAxelsen/patch-1

Allow for no url, using "onSubmit" handler to pass model for manual XHR

src/main.js

@@ -196,8 +196,13 @@ Formsy.Form = React.createClass({
   submit: function (event) {
     event.preventDefault();
 
+    // To support use cases where no async or request operation is needed.
+    // The "onSubmit" callback is called with the model e.g. {fieldName: "myValue"},
+    // if wanting to reset the entire form to original state, the second param is a callback for this.
     if (!this.props.url) {
-      throw new Error('Formsy Form needs a url property to post the form');
+      this.updateModel();
+      this.props.onSubmit(this.model, this.resetModel);
+      return;
     }
 
     this.updateModel();
@@ -225,6 +230,13 @@ Formsy.Form = React.createClass({
       this.model[name] = component.state._value;
     }.bind(this));
   },
+  
+  // Reset each key in the model to the original / initial value
+  resetModel: function() {
+    Object.keys(this.inputs).forEach(function (name) {
+      this.inputs[name].resetValue();
+    }.bind(this));
+  },
 
   // Go through errors from server and grab the components
   // stored in the inputs map. Change their state to invalid