public void TestRange()
{
LogLineIndex.Range(new LogLineIndex(1), new LogLineIndex(1)).Should().Equal(new LogLineIndex(1));
LogLineIndex.Range(new LogLineIndex(1), new LogLineIndex(2)).Should().Equal(new LogLineIndex(1), new LogLineIndex(2));
LogLineIndex.Range(new LogLineIndex(2), new LogLineIndex(1)).Should().Equal(new LogLineIndex(1), new LogLineIndex(2));
LogLineIndex.Range(new LogLineIndex(3), new LogLineIndex(1)).Should().Equal(new LogLineIndex(1), new LogLineIndex(2), new LogLineIndex(3));
}
private void OnSelectDown()
{
var logFile = _logSource;
var first = _firstSelection;
var last = _lastSelection;
if (logFile == null)
{
return;
}
if (first.IsInvalid)
{
return;
}
if (last.IsInvalid)
{
return;
}
var next = last + 1;
if (next >= _logSource.GetProperty(Properties.LogEntryCount))
{
return;
}
var indices = LogLineIndex.Range(first, next);
SetSelected(indices, SelectMode.Replace);
_firstSelection = first;
_lastSelection = next;
var fn = RequestBringIntoView;
fn?.Invoke(next, new LogLineMatch());
InvalidateVisual();
}
private void OnSelectUp()
{
var logFile = _logFile;
var first = _firstSelection;
var last = _lastSelection;
if (logFile == null)
{
return;
}
if (first.IsInvalid)
{
return;
}
if (last.IsInvalid)
{
return;
}
var next = last - 1;
if (next < 0)
{
return;
}
var indices = LogLineIndex.Range(first, next);
SetSelected(indices, SelectMode.Replace);
_firstSelection = first;
_lastSelection = next;
var fn = RequestBringIntoView;
fn?.Invoke(next, new LogLineMatch());
InvalidateVisual();
}