private void LoadLog(int pos, int count, GoalRecord goal, bool print = false)
{
if (_busy)
{
return;
}
if (pos < 0)
{
return;
}
var dateBefore = DateTime.Now.AddYears(-1);
CalcRowsCount(lvLogView);
if (count <= 0)
{
return;
}
_busy = true;
tsbAnchor.Enabled = false;
tsbBackward.Enabled = false;
tsbFilterEdit.Enabled = false;
_lastForwardState = tsbForward.Enabled;
tsbForward.Enabled = false;
tsbEnd.Enabled = false;
ThreadPool.QueueUserWorkItem(arg =>
{
int linescount;
var results = Data.GetSysLogRecords(pos, count, dateBefore, out linescount, true);
var method = new MethodInvoker(() =>
{
_reportrows.Clear();
var row = 0;
foreach (string[] rec in results)
{
if (rec.Length != 12)
{
continue;
}
var item = new ListViewItem(rec[0]);
if (row % 2 != 0)
{
item.BackColor = Color.FromKnownColor(KnownColor.WhiteSmoke);
}
var overpass = rec[2];
var way = rec[3];
var product = Data.GetFineProductName(rec[4]);
var riser = rec[5];
var addr = string.Join("", rec, 1, 5).Trim().Length > 0
? string.Format("Эстакада {0}. Путь {1}. {2}. Стояк {3}",
overpass, way, product, riser)
: "";
item.SubItems.Add(addr);
var mess = rec[6];
item.SubItems.Add(mess);
var waggon = rec[7];
item.SubItems.Add(waggon);
var type = rec[8];
item.SubItems.Add(type);
var maxheight = rec[9];
item.SubItems.Add(maxheight);
var setpoint = rec[10];
item.SubItems.Add(setpoint);
var filled = rec[11];
item.SubItems.Add(filled);
_reportrows.Add(item);
row++;
}
UpdateColumnWidths(lvLogView);
if (print)
{
return;
}
lvLogView.BeginUpdate();
try
{
lvLogView.Items.Clear();
lvLogView.Items.AddRange(_reportrows.ToArray());
}
finally
{
lvLogView.EndUpdate();
}
tsbForward.Enabled = _lastForwardState;
switch (goal)
{
case GoalRecord.FirstRecord:
GotoRecord(GoalRecord.FirstRecord);
tsbBackward.Enabled = lvLogView.Items.Count >= _viewCount;
tsbForward.Enabled = true;
tsbEnd.Enabled = true;
break;
case GoalRecord.NextRecord:
GotoRecord(GoalRecord.LastRecord);
tsbEnd.Enabled = tsbForward.Enabled;
tsbBackward.Enabled = lvLogView.Items.Count >= _viewCount;
break;
default:
GotoRecord(GoalRecord.LastRecord);
tsbForward.Enabled = false;
tsbEnd.Enabled = false;
tsbBackward.Enabled = lvLogView.Items.Count >= _viewCount;
break;
}
_busy = false;
tsbAnchor.Enabled = true;
tsbFilterEdit.Enabled = true;
}
);
if (InvokeRequired)
{
BeginInvoke(method);
}
else
{
method();
}
});
}