Plugin_SN_Verfahrensgebiet/main.py

from qgis.utils import plugins
from sn_basis.ui.dockmanager import DockManager
from .ui.dockwidget import DockWidget


class Verfahrensgebiet:
    def __init__(self, iface):
        self.iface = iface
        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 = plugins.get("sn_basis")
        if basis and basis.ui:
            self.action = basis.ui.add_action(
                self.plugin_name,
                self.run,
                tooltip=f"Öffnet {self.plugin_name}",
                priority=10
            )
            basis.ui.finalize_menu_and_toolbar()

    def unload(self):
        if self.dockwidget:
            self.iface.removeDockWidget(self.dockwidget)
            self.dockwidget.deleteLater()
            self.dockwidget = None

        # Action zurücksetzen, falls vorhanden
        if self.action:
            basis = plugins.get("sn_basis")
            if basis and basis.ui:
                basis.ui.set_active_plugin(None)

    def run(self):
        self.dockwidget = DockWidget(self.iface.mainWindow(), subtitle=self.plugin_name)
        self.dockwidget.setObjectName(self.dock_name)

        # Action-Referenz im Dock speichern
        self.dockwidget.action = self.action

        DockManager.show(self.dockwidget)

        # Toolbar-Button als aktiv markieren
        basis = plugins.get("sn_basis")
        if basis and basis.ui:
            basis.ui.set_active_plugin(self.action)