Trait ModelTracker
pub trait ModelTracker {
// Required methods
fn attach_peer(&self, peer: ModelPeer<'_>);
fn track_row_count_changes(&self);
fn track_row_data_changes(&self, row: usize);
}Expand description
This trait defines the interface that users of a model can use to track changes
to a model. It is supplied via Model::model_tracker and implementation usually
return a reference to its field of ModelNotify.
Required Methods§
fn attach_peer(&self, peer: ModelPeer<'_>)
fn attach_peer(&self, peer: ModelPeer<'_>)
Attach one peer. The peer will be notified when the model changes
fn track_row_count_changes(&self)
fn track_row_count_changes(&self)
Register the model as a dependency to the current binding being evaluated, so that it will be notified when the model changes its size.
fn track_row_data_changes(&self, row: usize)
fn track_row_data_changes(&self, row: usize)
Register a row as a dependency to the current binding being evaluated, so that it will be notified when the value of that row changes.