Fixed issue #305

- added validation on add/edit Custom Field for multiple values (select/radio)
- disabled Remove link when only one value remains
- Added confirmation message on Reinstall
- Added missing period in Import

assets/js/src/form/fields/checkbox.jsx

@@ -10,10 +10,13 @@ function(
       return this.props.onValueChange(e);
     },
     render: function() {
-      const isChecked = !!(this.props.item[this.props.field.name]);
+      if (this.props.field.values === undefined) {
+        return false;
+      }
 
+      const isChecked = !!(this.props.item[this.props.field.name]);
       const options = Object.keys(this.props.field.values).map(
-        function(value, index) {
+        (value, index) => {
           return (
             <p key={ 'checkbox-' + index }>
               <label>
@@ -29,7 +32,7 @@ function(
               </label>
             </p>
           );
-        }.bind(this)
+        }
       );
 
       return (

assets/js/src/form/fields/radio.jsx

@@ -4,12 +4,15 @@ define([
 function(
   React
 ) {
-  var FormFieldRadio = React.createClass({
+  const FormFieldRadio = React.createClass({
     render: function() {
-      var selected_value = this.props.item[this.props.field.name];
+      if (this.props.field.values === undefined) {
+        return false;
+      }
 
-      var options = Object.keys(this.props.field.values).map(
-        function(value, index) {
+      const selected_value = this.props.item[this.props.field.name];
+      const options = Object.keys(this.props.field.values).map(
+        (value, index) => {
           return (
             <p key={ 'radio-' + index }>
               <label>
@@ -23,7 +26,7 @@ function(
               </label>
             </p>
           );
-        }.bind(this)
+        }
       );
 
       return (

assets/js/src/form/fields/select.jsx

@@ -4,10 +4,14 @@ define([
 function(
   React
 ) {
-  var FormFieldSelect = React.createClass({
+  const FormFieldSelect = React.createClass({
     render: function() {
-      var options =
-        Object.keys(this.props.field.values).map(function(value, index) {
+      if (this.props.field.values === undefined) {
+        return false;
+      }
+
+      const options = Object.keys(this.props.field.values).map(
+        (value, index) => {
           return (
             <option
               key={ 'option-' + index }
@@ -15,7 +19,7 @@ function(
               { this.props.field.values[value] }
             </option>
           );
-        }.bind(this)
+        }
       );
 
       return (