/// <summary>
/// This is called by the Find dialog to locate the next name
/// </summary>
/// <param name="finder"></param>
private void OnFindNext(FindSearchViewModel finder)
{
Debug.Assert(finder == _finder);
IEnumerable <int> searchRange;
if (finder.SearchBackward)
{
int spos = (FocusedRow != null) ? FocusedRow.Position : TotalRows;
searchRange = Enumerable.Range(0, spos).Reverse();
}
else
{
int spos = (FocusedRow != null) ? FocusedRow.Position : -1;
searchRange = Enumerable.Range(spos + 1, TotalRows - (spos + 1));
}
int foundAt = searchRange.Where(i => VisibleData[i].IsSequence).FirstOrDefault(
i => finder.Match(VisibleData[i].Header));
if (foundAt == 0 && !finder.Match(VisibleData[0].Header))
{
IErrorVisualizer errorVisualizer = Resolve <IErrorVisualizer>();
if (errorVisualizer != null)
{
errorVisualizer.Show("No Match", "No matches were found.");
}
}
else
{
FocusedRow = VisibleData[foundAt];
TopRow = foundAt;
}
}
/// <summary>
/// Locate a specific sequence by name (or partial name)
/// </summary>
private void OnFindByName()
{
if (_finder != null)
{
_finder.RaiseActivateRequest();
return;
}
IUIVisualizer uiVisualizer = Resolve <IUIVisualizer>();
if (uiVisualizer != null)
{
_finder = new FindSearchViewModel(new DelegatingCommand <FindSearchViewModel>(OnFindNext, fsvm => fsvm != null && !string.IsNullOrEmpty(fsvm.SearchString)));
uiVisualizer.Show(typeof(FindSearchView).ToString(), _finder, true, (s, e) => { _finder = null; RaiseActivateRequest(); });
}
}