refactor and format

owrx/form/__init__.py

@@ -0,0 +1,187 @@
+from abc import ABC, abstractmethod
+from owrx.service import ServiceDetector
+
+
+class Input(ABC):
+    def __init__(self, id, label, infotext=None):
+        self.id = id
+        self.label = label
+        self.infotext = infotext
+
+    def bootstrap_decorate(self, input):
+        infotext = (
+            "<small>{text}</small>".format(text=self.infotext) if self.infotext else ""
+        )
+        return """
+            <div class="form-group row">
+                <label class="col-form-label col-form-label-sm col-3" for="{id}">{label}</label>
+                <div class="col-9 p-0">
+                    {input}
+                    {infotext}
+                </div>
+            </div>
+        """.format(
+            id=self.id, label=self.label, input=input, infotext=infotext
+        )
+
+    def input_classes(self):
+        return " ".join(["form-control", "form-control-sm"])
+
+    @abstractmethod
+    def render_input(self, value):
+        pass
+
+    def render(self, config):
+        return self.bootstrap_decorate(self.render_input(config[self.id]))
+
+    def parse(self, data):
+        return {self.id: data[self.id][0]} if self.id in data else {}
+
+
+class TextInput(Input):
+    def render_input(self, value):
+        return """
+            <input type="text" class="{classes}" id="{id}" name="{id}" placeholder="{label}" value="{value}">
+        """.format(
+            id=self.id, label=self.label, classes=self.input_classes(), value=value
+        )
+
+
+class NumberInput(Input):
+    def render_input(self, value):
+        return """
+            <input type="number" class="{classes}" id="{id}" name="{id}" placeholder="{label}" value="{value}">
+        """.format(
+            id=self.id, label=self.label, classes=self.input_classes(), value=value
+        )
+
+    def convert_value(self, v):
+        return int(v)
+
+    def parse(self, data):
+        return {k: self.convert_value(v) for k, v in super().parse(data).items()}
+
+
+class FloatInput(NumberInput):
+    def convert_value(self, v):
+        return float(v)
+
+
+class LocationInput(Input):
+    def render_input(self, value):
+        # TODO make this work and pretty
+        return "Placeholder for a map widget to select receiver location"
+
+
+class TextAreaInput(Input):
+    def render_input(self, value):
+        return """
+            <textarea class="{classes}" id="{id}" name="{id}" style="height:200px;">{value}</textarea>
+        """.format(
+            id=self.id, classes=self.input_classes(), value=value
+        )
+
+
+class CheckboxInput(Input):
+    def __init__(self, id, label, checkboxText, infotext=None):
+        super().__init__(id, label, infotext=infotext)
+        self.checkboxText = checkboxText
+
+    def render_input(self, value):
+        return """
+          <div class="{classes}">
+            <input class="form-check-input" type="checkbox" id="{id}" name="{id}" {checked}>
+            <label class="form-check-label" for="{id}">
+              {checkboxText}
+            </label>
+          </div>
+        """.format(
+            id=self.id,
+            classes=self.input_classes(),
+            checked="checked" if value else "",
+            checkboxText=self.checkboxText,
+        )
+
+    def input_classes(self):
+        return " ".join(["form-check", "form-control-sm"])
+
+    def parse(self, data):
+        return {self.id: self.id in data and data[self.id][0] == "on"}
+
+
+class Option(object):
+    # used for both MultiCheckboxInput and DropdownInput
+    def __init__(self, value, text):
+        self.value = value
+        self.text = text
+
+
+class MultiCheckboxInput(Input):
+    def __init__(self, id, label, options, infotext=None):
+        super().__init__(id, label, infotext=infotext)
+        self.options = options
+
+    def render_input(self, value):
+        return "".join(self.render_checkbox(o, value) for o in self.options)
+
+    def checkbox_id(self, option):
+        return "{0}-{1}".format(self.id, option.value)
+
+    def render_checkbox(self, option, value):
+        return """
+          <div class="{classes}">
+            <input class="form-check-input" type="checkbox" id="{id}" name="{id}" {checked}>
+            <label class="form-check-label" for="{id}">
+              {checkboxText}
+            </label>
+          </div>
+        """.format(
+            id=self.checkbox_id(option),
+            classes=self.input_classes(),
+            checked="checked" if option.value in value else "",
+            checkboxText=option.text,
+        )
+
+    def parse(self, data):
+        def in_response(option):
+            boxid = self.checkbox_id(option)
+            return boxid in data and data[boxid][0] == "on"
+
+        return {self.id: [o.value for o in self.options if in_response(o)]}
+
+    def input_classes(self):
+        return " ".join(["form-check", "form-control-sm"])
+
+
+class ServicesCheckboxInput(MultiCheckboxInput):
+    def __init__(self, id, label, infotext=None):
+        services = [
+            Option(s, s.upper()) for s in ServiceDetector.getAvailableServices()
+        ]
+        super().__init__(id, label, services, infotext)
+
+
+class DropdownInput(Input):
+    def __init__(self, id, label, options, infotext=None):
+        super().__init__(id, label, infotext=infotext)
+        self.options = options
+
+    def render_input(self, value):
+        return """
+            <select class="{classes}" id="{id}" name="{id}">{options}</select>
+        """.format(
+            classes=self.input_classes(), id=self.id, options=self.render_options(value)
+        )
+
+    def render_options(self, value):
+        options = [
+            """
+                <option value="{value}" {selected}>{text}</option>
+            """.format(
+                text=o.text,
+                value=o.value,
+                selected="selected" if o.value == value else "",
+            )
+            for o in self.options
+        ]
+        return "".join(options)