def _active_feature_changed(self):
"""
Triggered when the active feature is changed
"""
if self._block_feature_changes:
return
selected_index = self.feature_model.index(
self.feature_combo.currentIndex(), 0)
if selected_index.isValid():
feature = self.feature_model.data(selected_index,
FeatureModel.FEATURE_ROLE)
changed = self.vertex_model.feature is None or feature is None or self.vertex_model.feature.id(
) != feature.id()
self.vertex_model.set_feature(feature)
if feature is not None:
self.label_part_count.setText(
str(feature.geometry().constGet().numGeometries(
) if feature.geometry().isMultipart() else 1))
self.label_vertex_count.setText(
str(feature.geometry().constGet().nCoordinates()))
self.label_geometry_type.setText(
QgsWkbTypes.translatedDisplayString(
feature.geometry().wkbType()))
self.button_zoom.setEnabled(True)
else:
self.label_geometry_type.clear()
self.label_part_count.clear()
self.label_vertex_count.clear()
self.button_zoom.setEnabled(False)
if changed and feature is not None and SettingsRegistry.flash_feature(
):
self.map_canvas.flashGeometries([feature.geometry()],
self.layer.crs())
else:
self.vertex_model.set_feature(None)
self.label_geometry_type.clear()
self.label_part_count.clear()
self.label_vertex_count.clear()
self.button_zoom.setEnabled(False)
self._vertex_selection_changed()
