refacto structure

psa-car-controller/web/tools/Button.py

@@ -0,0 +1,42 @@
+import dash_bootstrap_components as dbc
+from dash import html
+from dash._utils import create_callback_id
+from dash.dependencies import Output, Input
+
+from web.app import dash_app
+
+RESPONSE = "-response"
+
+
+class Button:
+    def __init__(self, role, element_id, label, fct, prevent_initial_call=True):  # pylint: disable=too-many-arguments
+        self.role = role
+        self._element_id = element_id
+        self._button_id = "{}-{}".format(self.role, element_id)
+        self._response_id = "{}{}".format(self._button_id, RESPONSE)
+        self.label = label
+        self.html_el = self.get_html()
+        self._fct = fct
+        self._output = Output(self.get_response_id(), 'children')
+        callback_id = create_callback_id(self._output)
+        if callback_id not in dash_app.callback_map:
+            self._set_callback(prevent_initial_call)
+
+    def _set_callback(self, prevent_initial_call):
+        dash_app.callback(self._output, Input(self.get_button_id(), 'n_clicks'),
+                          prevent_initial_call=prevent_initial_call)(self.call)
+
+    def get_button_id(self):
+        return self._button_id
+
+    def get_response_id(self):
+        return self._response_id
+
+    def get_html(self):
+        return dbc.Col([dbc.Button(self.label, id=self.get_button_id(), n_clicks=0, color="light",
+                                   className="w-100"),
+                        html.Div(id=self.get_response_id())])
+
+    def call(self, value):  # pylint: disable=unused-argument
+        self._fct(self._element_id)
+        return " "