def _update_feature(self, point_list, new_point_row_attr):
"""
Update feature
:param point_list: Updated QGS points
:param new_point_row_attr: Updated GPX data attributes
:return: None
:rtype: None
"""
if point_list:
self.qgs_point_list = list(point_list)
gpx_view.remove_vertex(self.map_canvas, self.prev_point_row_attr)
gpx_view.delete_feature(self.map_canvas, self.temp_mem_layer)
self.point_row_attr = gpx_view.update_point_row_attr(
self.map_canvas, self.point_row_attr, new_point_row_attr
)
self.point_row_attr = gpx_view.set_feature_vertices_marker(
self.map_canvas, self.point_row_attr
)
new_geometry = gpx_view.create_geometry(self.geom_type, point_list)
data_provider = self.temp_mem_layer.dataProvider()
gpx_view.add_feature(data_provider, new_geometry)
gpx_view.commit_feature_edits(self.temp_mem_layer)
self.prev_point_row_attr = list(self.point_row_attr)
else:
gpx_view.remove_vertex(self.map_canvas, self.prev_point_row_attr)
gpx_view.delete_feature(self.map_canvas, self.temp_mem_layer)
def _remove_prev_layer(self):
"""
Removes previous temporary layer
:return: None
:rtype: None
"""
if self.prev_temp_mem_layer and len(gpx_view.get_layer_by_name(self.temp_layer_name)) != 0:
gpx_view.remove_vertex(self.map_canvas, self.prev_point_row_attr)
gpx_view.remove_map_layer(self.map_canvas, self.prev_temp_mem_layer)
return True
def _refresh_map_canvas(self):
"""
Refresh map canvas on file source or feature type change
:return: None
:rtype: None
"""
curr_layer = vector_layer(self.sp_table, geom_column=self.sp_col)
layer_extent = curr_layer.extent()
gpx_view.remove_vertex(self.map_canvas, self.point_row_attr)
self.map_canvas.setExtent(layer_extent)
self.map_canvas.refresh()
def closeEvent(self, event):
"""
Closes the import dialog when called
:param event: Close event
:return: None
:rtype: None
"""
if len(gpx_view.get_layer_by_name(self.temp_layer_name)) != 0:
gpx_view.remove_vertex(self.map_canvas, self.point_row_attr)
gpx_view.remove_map_layer(self.map_canvas, self.temp_mem_layer)
if self.point_row_attr:
self._refresh_map_canvas()
self.save_handler()