An array of DrawingFeature objects to be added.
Deletes the provided features from the drawing source.
The list of features to be deleted.
Check if there is a vertex of a selected (=editable) feature within the pixel tolerance of the clicked coordinates.
Handles the addition of a feature to the vector source. This method is triggered when a new feature is drawn
and added to the vector source at end of the draw interaction.
It creates a DrawingFeature to save in the state, containing a unique id and the feature geometry as a geojson.
To identify the ol feature in the map, it receives the same id as the DrawingFeature.
The add-feature event.
Adds features to the drawing source if they are missing, and updates their style each time a property changes. Adding them to the source is only necessary, if the feature originates from a deserialized state and not from a drawing action in the map.