def run(self):
# keep opened only one instance
if self.dlg is None:
from rivergis import RiverGIS
self.dlg = RiverGIS(self.iface)
QObject.connect(self.dlg, SIGNAL('destroyed(QObject *)'), self.onDestroyed)
self.dlg.show()
self.dlg.raise_()
self.dlg.setWindowState(self.dlg.windowState() & ~Qt.WindowMinimized)
self.dlg.activateWindow()
