resolve the ugly assets_prefix hack

owrx/controllers/settings/__init__.py

@@ -68,16 +68,10 @@ class SettingsFormController(AuthorizationMixin, WebpageController, metaclass=AB
     def indexAction(self):
         self.serve_template("settings/general.html", **self.template_variables())
 
-    def header_variables(self):
-        variables = super().header_variables()
-        variables["assets_prefix"] = "../"
-        return variables
-
     def template_variables(self):
         variables = super().template_variables()
         variables["content"] = self.render_sections()
         variables["title"] = self.getTitle()
-        variables["assets_prefix"] = "../"
         return variables
 
     def parseFormData(self):

owrx/controllers/settings/bookmarks.py

@@ -10,11 +10,6 @@ logger = logging.getLogger(__name__)
 
 
 class BookmarksController(AuthorizationMixin, WebpageController):
-    def header_variables(self):
-        variables = super().header_variables()
-        variables["assets_prefix"] = "../"
-        return variables
-
     def template_variables(self):
         variables = super().template_variables()
         variables["bookmarks"] = self.render_table()

owrx/controllers/settings/sdr.py

@@ -13,16 +13,10 @@ from abc import ABCMeta
 
 
 class SdrDeviceListController(AuthorizationMixin, WebpageController):
-    def header_variables(self):
-        variables = super().header_variables()
-        variables["assets_prefix"] = "../"
-        return variables
-
     def template_variables(self):
         variables = super().template_variables()
         variables["content"] = self.render_devices()
         variables["title"] = "SDR device settings"
-        variables["assets_prefix"] = "../"
         return variables
 
     def render_devices(self):
@@ -134,16 +128,6 @@ class SdrDeviceController(SdrFormController):
     def getTitle(self):
         return self.device["name"]
 
-    def header_variables(self):
-        variables = super().header_variables()
-        variables["assets_prefix"] = "../../"
-        return variables
-
-    def template_variables(self):
-        variables = super().template_variables()
-        variables["assets_prefix"] = "../../"
-        return variables
-
     def render_sections(self):
         return super().render_sections() + self.render_profile_list(self.device["profiles"])
 
@@ -189,16 +173,6 @@ class NewSdrDeviceController(SettingsFormController):
         self.stack.addLayer(0, id_layer)
         self.stack.addLayer(1, self.data_layer)
 
-    def header_variables(self):
-        variables = super().header_variables()
-        variables["assets_prefix"] = "../../"
-        return variables
-
-    def template_variables(self):
-        variables = super().template_variables()
-        variables["assets_prefix"] = "../../"
-        return variables
-
     def getSections(self):
         return [
             Section(
@@ -251,16 +225,6 @@ class SdrProfileController(SdrFormController):
     def getTitle(self):
         return self.profile["name"]
 
-    def header_variables(self):
-        variables = super().header_variables()
-        variables["assets_prefix"] = "../../../"
-        return variables
-
-    def template_variables(self):
-        variables = super().template_variables()
-        variables["assets_prefix"] = "../../../"
-        return variables
-
     def indexAction(self):
         if self.profile is None:
             self.send_response("profile not found", code=404)

owrx/controllers/template.py

@@ -19,14 +19,19 @@ class TemplateController(Controller):
 
 
 class WebpageController(TemplateController):
+    def get_document_root(self):
+        path_parts = [part for part in self.request.path[1:].split("/")]
+        levels = max(0, len(path_parts) - 1)
+        return "../" * levels
+
     def header_variables(self):
-        variables = {"assets_prefix": ""}
+        variables = {"document_root": self.get_document_root()}
         variables.update(ReceiverDetails().__dict__())
         return variables
 
     def template_variables(self):
         header = self.render_template("include/header.include.html", **self.header_variables())
-        return {"header": header}
+        return {"header": header, "document_root": self.get_document_root()}
 
 
 class IndexController(WebpageController):