Adding Pristine values from this PR: christianalfoni#432

Author: Matthew Pelham

src/HOC.js

@@ -12,6 +12,7 @@ module.exports = function (Component) {
         setValue: this.setValue,
         resetValue: this.resetValue,
         getValue: this.getValue,
+        updateValue: this.updateValue,
         hasValue: this.hasValue,
         getErrorMessage: this.getErrorMessage,
         getErrorMessages: this.getErrorMessages,

src/Mixin.js

@@ -124,6 +124,17 @@ module.exports = {
       //this.props._validate(this);
     }.bind(this));
   },
+  // update the value, along with its pristineValue and pristineFlag
+  updateValue: function (value) {
+    this.setState({
+      _value: value,
+      _isPristine: true,
+      _pristineValue: value
+    }, function () {
+      this.context.formsy.validate(this);
+      //this.props._validate(this);
+    }.bind(this));
+  },
   resetValue: function () {
     this.setState({
       _value: this.state._pristineValue,

src/main.js

@@ -97,6 +97,12 @@ Formsy.Form = React.createClass({
     this.resetModel(data);
   },
 
+  // updates all inputs and their _pristineValues to specified data
+  update: function(data) {
+    this.setFormPristine(true);
+    this.updateModel(data);
+  },
+
   // Update model, submit to url prop and send the model
   submit: function (event) {
 
@@ -150,6 +156,19 @@ Formsy.Form = React.createClass({
     this.validateForm();
   },
 
+  // Update each key in the model to the specified value
+  updateModel: function (data) {
+    this.inputs.forEach(component => {
+      var name = component.props.name;
+      if (data && data.hasOwnProperty(name)) {
+        component.updateValue(data[name]);
+      } else {
+        component.resetValue();
+      }
+    });
+    this.validateForm();
+  },
+
   setInputValidationErrors: function (errors) {
     this.inputs.forEach(component => {
       var name = component.props.name;
@@ -433,6 +452,7 @@ Formsy.Form = React.createClass({
       onInvalidSubmit,
       onChange,
       reset,
+      update,
       preventExternalInvalidation,
       onSuccess,
       onError,