NestingFormDefinitionSnippet.scala

section(
  
  messages = "sectionText",       // the name of properties bundle containing section-level text
  
  nestingCheckboxes(          
    "myCheckboxes",               // the unique name of our widget
    "questionWording",            // the name of the properties bundle containing text for the widget
    required,                     // constraints applied to the widget
    "contactMethods",             // the name of the properties bundle containing the key and labels for each checkbox choice
    Map(                          // our nested widgets
      "EMAIL" ->                  // the key from contactMethods with which to associate this nested iwdget
        nestedInput(
          "email",                // the unique name of the input text widget
          "questionWording",      // the name of the properties bundle to fetch text for the widget
          required,               // constraints applied to the widget
          showWhenWidget("myCheckboxes") hasValue "EMAIL" // make this widget visible only when the "EMAIL" checkbox is selected 
      ),
      "PHONE" -> nestedInput("phone", "questionWording", required, showWhenWidget("myCheckboxes") hasValue "PHONE"),
      "TEXT" -> nestedInput("text", "questionWording", required, showWhenWidget("myCheckboxes") hasValue "TEXT")
    ),
    asColumn                      // display the checkboxes in a vertical column, rather than in a horizontal row
  ) 
)