/// <summary>
/// This method is used to load the VisibleData collection with the proper set of sequences.
/// </summary>
public void ReloadSequences()
{
INotificationVisualizer wait = Resolve <INotificationVisualizer>();
Debug.Assert(wait != null);
using (wait.BeginWait("Refreshing View", "Loading Data"))
{
_groupedList.Clear();
// No entities?
if (GroupedEntities == null)
{
if (_taxonomyJumper != null)
{
_taxonomyJumper.RaiseCloseRequest();
}
VisibleData.Clear();
return;
}
// Add all the entries
var seqCollection = new AlignmentEntityViewModel[GroupedEntities.Count];
Parallel.For(0, GroupedEntities.Count,
i => seqCollection[i] = new AlignmentEntityViewModel(this, GroupedEntities[i], i));
// Push it to the UI
VisibleData.Clear();
foreach (var item in seqCollection)
{
VisibleData.Add(item);
}
// Add in the proper line numbers
var sequences = VisibleData.Where(vd => vd.IsSequence).ToList();
Parallel.For(0, sequences.Count, i => { sequences[i].DisplayIndex = i + 1; });
// If the taxonomy view is alive, refresh it.
if (_taxonomyJumper != null)
{
if (IsGrouped)
{
_taxonomyJumper.ChangedGrouping(_data.Entities, Options.MinGroupingRange);
}
else
{
_taxonomyJumper.RaiseCloseRequest();
}
}
}
}
/// <summary>
/// This is invoked when the user selects a "jump" in the taxonomy view
/// </summary>
/// <param name="e">Name of taxonomy group to jump to</param>
private void OnJumpToTaxonomyGroup(TaxonomyJumpEventArgs e)
{
var groupHeader = VisibleData.FirstOrDefault(vd => vd.IsGroupHeader && vd.Header == e.Name);
if (groupHeader != null)
{
// De-select everything
VisibleData.Where(vd => vd.IsSelected).ForEach(vd => vd.IsSelected = false);
// Reposition and select this specific grouping
TopRow = groupHeader.Position;
if (e.SelectRows)
{
Enumerable.Range(groupHeader.Position + 1, TotalRows - groupHeader.Position - 1).TakeWhile(
i => VisibleData[i].IsSequence).Select(i => VisibleData[i]).ForEach(vd => vd.IsSelected = true);
}
}
}
