WIP.

app/assets/javascripts/app/controllers/_application_controller_form.coffee

@@ -465,12 +465,16 @@ class App.ControllerForm extends App.Controller
         else
           uncheckParam[name] = []
     )
+
+    # verify if we have not checked radios
     lookupForm.find('input[type=radio]').each( (index) ->
       checked = $(@).attr('checked')
       name = $(@).attr('name')
       if name && !checked && !(name of param)
         uncheckParam[name] = undefined
     )
+
+    # apply empty checkboxes & radio values to params
     for key, value of uncheckParam
       if !(key of param)
         param[key] = value

app/assets/javascripts/app/controllers/_channel/form.coffee

@@ -55,7 +55,7 @@ class App.ChannelForm extends App.ControllerSubContent
     params = @formParam(@$('.js-paramsDesigner'))
     paramString = ''
     for key, value of params
-      if value != ''
+      if !_.isEmpty(value)
         if paramString != ''
           paramString += ",\n"
         if value == 'true' || value == 'false'