add more inputs, bind to actual data

owrx/form/__init__.py

@@ -139,8 +139,8 @@ class TextAreaInput(Input):
 
 
 class CheckboxInput(Input):
-    def __init__(self, id, label, checkboxText, infotext=None):
-        super().__init__(id, label, infotext=infotext)
+    def __init__(self, id, label, checkboxText, infotext=None, converter: Converter = None):
+        super().__init__(id, label, infotext=infotext, converter=converter)
         self.checkboxText = checkboxText
 
     def render_input(self, value):
@@ -162,7 +162,7 @@ class CheckboxInput(Input):
         return " ".join(["form-check", "form-control-sm"])
 
     def parse(self, data):
-        return {self.id: self.id in data and data[self.id][0] == "on"}
+        return {self.id: self.converter.convert_from_form(self.id in data and data[self.id][0] == "on")}
 
 
 class Option(object):

owrx/form/converter.py

@@ -22,15 +22,21 @@ class NullConverter(Converter):
 
 class OptionalConverter(Converter):
     """
-    Maps None to an empty string, and reverse
-    useful for optional fields
+    Transforms a special form value to None
+    The default is look for an empty string, but this can be used to adopt to other types.
+    If the default is not found, the actual value is passed to the sub_converter for further transformation.
+    useful for optional fields since None is not stored in the configuration
     """
 
+    def __init__(self, sub_converter: Converter = None, defaultFormValue=""):
+        self.sub_converter = NullConverter() if sub_converter is None else sub_converter
+        self.defaultFormValue = defaultFormValue
+
     def convert_to_form(self, value):
-        return "" if value is None else value
+        return self.defaultFormValue if value is None else self.sub_converter.convert_to_form(value)
 
     def convert_from_form(self, value):
-        return value if value else None
+        return None if value == self.defaultFormValue else self.sub_converter.convert_to_form(value)
 
 
 class IntConverter(Converter):

owrx/form/soapy.py

@@ -0,0 +1,13 @@
+from owrx.form import FloatInput
+
+
+class SoapyGainInput(FloatInput):
+    def __init__(self, id, label, gain_stages):
+        super().__init__(id, label)
+        self.gain_stages = gain_stages
+
+    def render_input(self, value):
+        if not self.gain_stages:
+            return super().render_input(value)
+        # TODO implement input for multiple gain stages here
+        return "soapy gain stages here..."