silverstripe / silverstripe-userforms

							$expression = ($checkboxField || $radioField) ? '!($(this).is(":checked"))' : '$(this).val() == ""';

							break;

						case 'HasValue':

							if ($checkboxField) {

								$expression = '$(this).prop("checked")';

							} else if ($radioField) {

								// We cannot simply get the value of the radio group, we need to find the checked option first.

								$expression = '$(this).parents(".field, .control-group").find("input:checked").val()=="'. $rule->FieldValue .'"';

							} else {

								$expression = '$(this).val() == "'. $rule->FieldValue .'"';

							}

							break;

						case 'ValueLessThan':

							$expression = '$(this).val() < parseFloat("'. $rule->FieldValue .'")';

							$expression = '$(this).val() >= parseFloat("'. $rule->FieldValue .'")';

							break;

						default: // ==HasNotValue

							if ($checkboxField) {

								$expression = '!$(this).prop("checked")';

							} else if ($radioField) {

								// We cannot simply get the value of the radio group, we need to find the checked option first.

								$expression = '$(this).parents(".field, .control-group").find("input:checked").val()!="'. $rule->FieldValue .'"';

							} else {

								$expression = '$(this).val() != "'. $rule->FieldValue .'"';

							}

							break;

					}

					if(!isset($watch[$fieldToWatch])) {