Plugin_SN_Plan41/main.py

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.dockwidget = None

    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)
            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())
        self.dockwidget.setObjectName("sn_dock_plan41")
        DockManager.show(self.dockwidget)