public override DispatcherOperation LoadEntries(uint startFromID)
{
if (startFromID > Log9KEntry.Counter)
{
return(null);
}
startFromID--;
if (IsAddingNewestEntries)
{
IsAddingNewestEntries = false;
}
if (ScrollToLastLog)
{
ScrollToLastLog = false;
}
uint lineNumber;
if (startFromID == 0)
{
return(null);
}
if (Application.Current == null)
{
return(null);
}
DispatcherOperation a = Application.Current.Dispatcher.BeginInvoke(new Action(() => {
if (!FindLineNumber(startFromID, out lineNumber))
{
Log9KCore.Instance.InnerLog("Ошибка: при загрузке логов метод FindLineNumber вернул false");
return;
}
LineNumberTopTempFile = lineNumber;
LogEntryCollection.Clear();
for (int i = 0; i < LogEntryCollection.MaxCollectionSize; i++)
{
Log9KEntry entry = ReadEntry(lineNumber);
if (entry == null)
{
break;
}
LogEntryCollection.Add(entry);
lineNumber++;
}
}), DispatcherPriority.Background);
return(a);
}
/// <summary>
/// Load most recent logs from temporary file
/// </summary>
public override void LoadLastLogs()
{
LogEntryCollection.StartRemovingFromTop();
LogEntryCollection.Clear();
uint entriesNumber;
bool success = Log9KUtil.GetEntriesNumberInFile(
FilenameTempFile, Log9KEntry.ENTRY_SIZE, out entriesNumber
);
if (!success)
{
Log9KCore.Instance.InnerLog("Ошибка: метод Log9KUtil.GetEntriesNumberInFile вернул false");
return;
}
if (Application.Current == null)
{
return;
}
Application.Current.Dispatcher.BeginInvoke(
new Action(() => {
bool notEnd = true;
uint z = 0;
for (uint i = entriesNumber; notEnd; i--)
{
Log9KEntry e = ReadEntry(i);
if (e != null)
{
LogEntryCollection.Insert(0, e);
}
if (i == 0 || z >= LogEntryCollection.MaxCollectionSize)
{
notEnd = false;
}
z++;
}
}),
DispatcherPriority.Background
);
}
private void FilterApplyToCollection(uint lineStart, uint lineEnd)
{
IsAddingNewestEntries = false;
LogEntryCollection.Clear();
uint i = 0;
for (uint j = lineStart; j < lineEnd; j++)
{
Log9KEntry entry = ReadEntry(j);
if (entry != null)
{
CollectionAdd(entry);
i++;
}
if (i >= LogEntryCollection.MaxCollectionSize)
{
break;
}
}
LineNumberTopTempFile = lineStart;
}
