Fixes #644 form validation does not trigger validation check on checkbox change

src/modules/behavior/form.js

@@ -58,23 +58,7 @@ $.fn.form = function(fields, parameters) {
 
         initialize: function() {
           module.verbose('Initializing form validation', $module, validation, settings);
-          if(settings.keyboardShortcuts) {
-            $field
-              .on('keydown' + eventNamespace, module.event.field.keydown)
-            ;
-          }
-          $module
-            .on('submit' + eventNamespace, module.validate.form)
-          ;
-          $field
-            .on('blur' + eventNamespace, module.event.field.blur)
-          ;
-          $submit
-            .on('click' + eventNamespace, module.submit)
-          ;
-          $field
-            .on(module.get.changeEvent() + eventNamespace, module.event.field.change)
-          ;
+          module.bindEvents();
           module.instantiate();
         },
 
@@ -88,8 +72,8 @@ $.fn.form = function(fields, parameters) {
 
         destroy: function() {
           module.verbose('Destroying previous module', instance);
+          module.removeEvents();
           $module
-            .off(eventNamespace)
             .removeData(moduleNamespace)
           ;
         },
@@ -106,6 +90,51 @@ $.fn.form = function(fields, parameters) {
           ;
         },
 
+        bindEvents: function() {
+          if(settings.keyboardShortcuts) {
+            $field
+              .on('keydown' + eventNamespace, module.event.field.keydown)
+            ;
+          }
+          $module
+            .on('submit' + eventNamespace, module.validate.form)
+          ;
+          $field
+            .on('blur' + eventNamespace, module.event.field.blur)
+          ;
+          $submit
+            .on('click' + eventNamespace, module.submit)
+          ;
+          $field
+            .each(function() {
+              var  
+                type       = $(this).prop('type'),
+                inputEvent = module.get.changeEvent(type)
+              ;
+              if(settings.inline == true) {
+              }
+              $(this)
+                .on(inputEvent + eventNamespace, module.event.field.change)
+              ;
+            })
+          ;
+        },
+
+        removeEvents: function() {
+          $module
+            .off(eventNamespace)
+          ;
+          $field
+            .off(eventNamespace)
+          ;
+          $submit
+            .off(eventNamespace)
+          ;
+          $field
+            .off(eventNamespace)
+          ;
+        },
+
         event: {
           field: {
             keydown: function(event) {
@@ -171,13 +200,18 @@ $.fn.form = function(fields, parameters) {
         },
 
         get: {
-          changeEvent: function() {
-            return (document.createElement('input').oninput !== undefined)
-              ? 'input'
-              : (document.createElement('input').onpropertychange !== undefined)
-                ? 'propertychange'
-                : 'keyup'
-            ;
+          changeEvent: function(type) {
+            if(type == 'checkbox' || type == 'radio') {
+              return 'change';
+            }
+            else {
+              return (document.createElement('input').oninput !== undefined)
+                ? 'input'
+                : (document.createElement('input').onpropertychange !== undefined)
+                  ? 'propertychange'
+                  : 'keyup'
+              ;
+            }
           },
           field: function(identifier) {
             module.verbose('Finding field with identifier', identifier);