private void FindNextMatch(int startIndex, string searchString, bool reverse)
{
if (_gridView.RowCount == 0)
{
return;
}
var matchIndex = reverse
? SearchBackwards()
: SearchForward();
if (matchIndex.HasValue)
{
_label.ForeColor = SystemColors.InfoText;
// Prevent flickering when further typing is selecting the same row
if (_gridView.SelectedRows.Count != 1 || _gridView.SelectedRows[0].Index != matchIndex)
{
using (WaitCursorScope.Enter())
{
_gridView.ClearSelection();
_gridView.Rows[matchIndex.Value].Selected = true;
_gridView.CurrentCell = _gridView.Rows[matchIndex.Value].Cells[1];
}
}
}
else
{
_label.ForeColor = Color.DarkRed;
}
int?SearchForward()
{
// Check for out of bounds roll over if required
int index;
if (startIndex < 0 || startIndex >= _gridView.RowCount)
{
startIndex = 0;
}
for (index = startIndex; index < _gridView.RowCount; ++index)
{
if (_gitRevisionTester.Matches(_gridView.GetRevision(index), searchString))
{
return(index);
}
}
// We didn't find it so start searching from the top
for (index = 0; index < startIndex; ++index)
{
if (_gitRevisionTester.Matches(_gridView.GetRevision(index), searchString))
{
return(index);
}
}
return(null);
}
int?SearchBackwards()
{
// Check for out of bounds roll over if required
int index;
if (startIndex < 0 || startIndex >= _gridView.RowCount)
{
startIndex = _gridView.RowCount - 1;
}
for (index = startIndex; index >= 0; --index)
{
if (_gitRevisionTester.Matches(_gridView.GetRevision(index), searchString))
{
return(index);
}
}
// We didn't find it so start searching from the bottom
for (index = _gridView.RowCount - 1; index > startIndex; --index)
{
if (_gitRevisionTester.Matches(_gridView.GetRevision(index), searchString))
{
return(index);
}
}
return(null);
}
}
public void Matches_should_not_throw_if_revsion_null()
{
_tester.Matches(null, null).Should().BeFalse();
}