def populateEditor(self):
        self.blockSignals(True)
        self.clear()
        for river in self.model.river_layer().iter_features():

            river_item = FeatureTreeWidgetItem([river.name, '%.1f - %.1f' % river.station_range], PrmItemTypes.RiverItemType)
            river_item.setFeatureId(0, river.id())

            font = river_item.font(0)
            font.setBold(True)
            river_item.setFont(0, font)

            for profile in river:
                profile_item = FeatureTreeWidgetItem([profile.name, profile.river_station], PrmItemTypes.ProfileItemType)
                profile_item.setFeatureId(0, profile.id())
                profile_item.setBackgroundColor(0, self.PROFILE_COLOR[profile.profile_type])
                river_item.addChild(profile_item)
            self.addTopLevelItem(river_item)
        self.blockSignals(False)