Aufgeräumt.

main.py

@@ -1,32 +1,36 @@
 from qgis.utils import plugins
-from qgis.PyQt.QtGui import QIcon
-from sn_basis.ui.navigation import Navigation
 from sn_basis.ui.dockmanager import DockManager
 from .ui.dockwidget import DockWidget
 
+
 class Plan41:
     def __init__(self, iface):
         self.iface = iface
-        self.ui = None
+        self.action = None
         self.dockwidget = None
 
+        # Namen automatisch aus Klassennamen ableiten
+        self.plugin_name = self.__class__.__name__
+        self.dock_name = f"sn_dock_{self.plugin_name.lower()}"
+
     def initGui(self):
-        # Basis-Plugin muss geladen sein!
         basis = plugins.get("sn_basis")
         if basis and basis.ui:
-            self.action = basis.ui.add_action("Plan41", self.run, tooltip="Öffnet Plan41", priority=20)
+            self.action = basis.ui.add_action(
+                self.plugin_name,
+                self.run,
+                tooltip=f"Öffnet {self.plugin_name}",
+                priority=20
+            )
             basis.ui.finalize_menu_and_toolbar()
 
     def unload(self):
-        if self.ui:
-            self.ui.remove_all()
         if self.dockwidget:
             self.iface.removeDockWidget(self.dockwidget)
             self.dockwidget.deleteLater()
             self.dockwidget = None
 
     def run(self):
-        from sn_plan41.ui.dockwidget import DockWidget
+        self.dockwidget = DockWidget(self.iface.mainWindow(), subtitle=self.plugin_name)
-        self.dockwidget = DockWidget(self.iface.mainWindow())
+        self.dockwidget.setObjectName(self.dock_name)
-        self.dockwidget.setObjectName("sn_dock_plan41")
         DockManager.show(self.dockwidget)

ui/dockwidget.py

@@ -1,24 +1,7 @@
-from qgis.PyQt.QtWidgets import QDockWidget, QTabWidget, QWidget, QVBoxLayout, QLabel
 from sn_basis.ui.tabs.settings_tab import SettingsTab
 from sn_plan41.ui.tabs.tab_a import TabA
 from sn_plan41.ui.tabs.tab_b import TabB
+from sn_basis.ui.base_dockwidget import BaseDockWidget
 
-class DockWidget(QDockWidget):
+class DockWidget(BaseDockWidget):
-    def __init__(self, parent=None):
+    tabs = [TabA, TabB, SettingsTab]
-        super().__init__(parent)
-        self.setWindowTitle("LNO Sachsen | Plan41")
-
-        # TabWidget erzeugen
-        tabs = QTabWidget()
-
-        # Tab A
-        tabs.addTab(TabA(), "Tab A")
-
-        # Tab B
-        tabs.addTab(TabB(), "Tab B")
-
-        # Gemeinsamer Tab
-        tabs.addTab(SettingsTab(), "Projekteigenschaften")
-
-        # TabWidget ins Dock setzen
-        self.setWidget(tabs)

ui/tabs/tab_a.py

@@ -1,6 +1,8 @@
 from qgis.PyQt.QtWidgets import QWidget, QVBoxLayout, QLabel, QLineEdit
 
 class TabA(QWidget):
+    tab_title = "Tab A"
+    
     def __init__(self, parent=None):
         super().__init__(parent)
         layout = QVBoxLayout()

ui/tabs/tab_b.py

@@ -1,6 +1,8 @@
 from qgis.PyQt.QtWidgets import QWidget, QVBoxLayout, QLabel, QTextEdit
 
 class TabB(QWidget):
+    tab_title = "Tab B"
+    
     def __init__(self, parent=None):
         super().__init__(parent)
         layout = QVBoxLayout()