public override async Task ScanEventLogsAsync()
{
ScanCompleted.Value = false;
BlackoutDates.Clear();
var oldest = DateTime.Today - TimeSpan.FromDays(PreferenceService.Preference.MaxDays);
DateTime?lastDate = oldest - TimeSpan.FromDays(30); // To easy recognission of oldest date
ScannedDate.Value = oldest;
AllPowerLogs.Clear();
long maxTimeDiff = PreferenceService.Preference.MaxDays * 86400000L;
var queryStr = "<QueryList><Query Id=\"0\" Path=\"System\">"
+ "<Select Path =\"System\">"
+ "*[System[Provider[@Name = 'Microsoft-Windows-Kernel-Boot'"
+ " or @Name = 'Microsoft-Windows-Kernel-General'"
+ " or @Name = 'Microsoft-Windows-Kernel-Power'"
+ " or @Name = 'EventLog'] "
+ " and TimeCreated[timediff(@SystemTime) <= " + $"{maxTimeDiff}"
+ "]]] </Select></Query></QueryList>";
var query = new EventLogQuery("System", PathType.LogName, queryStr);
EventLogReader reader = new EventLogReader(query);
EventRecord record = reader.ReadEvent();
while (record != null && !ScanCompleted.Value)
{
PowerLogEntry pwle = ToPowerLogEntry(record);
if (pwle != null)
{
AllPowerLogs.Add(pwle);
if (lastDate != pwle.Timestamp.Date)
{
UpdateBlackoutDateRange(lastDate, pwle.Timestamp.Date);
ScannedDate.Value = lastDate = pwle.Timestamp.Date;
await Task.Yield();
}
}
record = reader.ReadEvent();
}
Logger.Debug("AllPowerLogs.Count = {0}", AllPowerLogs.Count);
if (AllPowerLogs.Count > 0)
{
UpdateBlackoutDateRange(lastDate, DateTime.Today + TimeSpan.FromDays(1));
if (!ScanCompleted.Value) // not aborted
{
ScannedDate.Value = AllPowerLogs[AllPowerLogs.Count - 1].Timestamp.Date;
}
}
else
{
UpdateBlackoutDateRange(lastDate, DateTime.Today + TimeSpan.FromDays(1));
}
BlackoutDateArray = BlackoutDates.ToArray();
ScanCompleted.Value = true;
Logger.Debug("Scan completed");
}
protected override void OnTemplateApplied(TemplateAppliedEventArgs e)
{
if (_calendar != null)
{
_calendar.DayButtonMouseUp -= Calendar_DayButtonMouseUp;
_calendar.DisplayDateChanged -= Calendar_DisplayDateChanged;
_calendar.SelectedDatesChanged -= Calendar_SelectedDatesChanged;
_calendar.PointerPressed -= Calendar_PointerPressed;
_calendar.KeyDown -= Calendar_KeyDown;
}
_calendar = e.NameScope.Find <Calendar>(ElementCalendar);
if (_calendar != null)
{
_calendar.SelectionMode = CalendarSelectionMode.SingleDate;
_calendar.SelectedDate = SelectedDate;
SetCalendarDisplayDate(DisplayDate);
SetCalendarDisplayDateStart(DisplayDateStart);
SetCalendarDisplayDateEnd(DisplayDateEnd);
_calendar.DayButtonMouseUp += Calendar_DayButtonMouseUp;
_calendar.DisplayDateChanged += Calendar_DisplayDateChanged;
_calendar.SelectedDatesChanged += Calendar_SelectedDatesChanged;
_calendar.PointerPressed += Calendar_PointerPressed;
_calendar.KeyDown += Calendar_KeyDown;
//_calendar.SizeChanged += new SizeChangedEventHandler(Calendar_SizeChanged);
//_calendar.IsTabStop = true;
var currentBlackoutDays = BlackoutDates;
BlackoutDates = _calendar.BlackoutDates;
if (currentBlackoutDays != null)
{
foreach (var range in currentBlackoutDays)
{
BlackoutDates.Add(range);
}
}
}
if (_popUp != null)
{
_popUp.Child = null;
_popUp.Closed -= PopUp_Closed;
}
_popUp = e.NameScope.Find <Popup>(ElementPopup);
if (_popUp != null)
{
_popUp.Closed += PopUp_Closed;
if (IsDropDownOpen)
{
OpenDropDown();
}
}
if (_dropDownButton != null)
{
_dropDownButton.Click -= DropDownButton_Click;
_buttonPointerPressedSubscription?.Dispose();
}
_dropDownButton = e.NameScope.Find <Button>(ElementButton);
if (_dropDownButton != null)
{
_dropDownButton.Click += DropDownButton_Click;
_buttonPointerPressedSubscription =
_dropDownButton.AddHandler(PointerPressedEvent, DropDownButton_PointerPressed, handledEventsToo: true);
}
if (_textBox != null)
{
_textBox.KeyDown -= TextBox_KeyDown;
_textBox.GotFocus -= TextBox_GotFocus;
_textBoxTextChangedSubscription?.Dispose();
}
_textBox = e.NameScope.Find <TextBox>(ElementTextBox);
if (!SelectedDate.HasValue)
{
SetWaterMarkText();
}
if (_textBox != null)
{
_textBox.KeyDown += TextBox_KeyDown;
_textBox.GotFocus += TextBox_GotFocus;
_textBoxTextChangedSubscription = _textBox.GetObservable(TextBox.TextProperty).Subscribe(txt => TextBox_TextChanged());
if (SelectedDate.HasValue)
{
_textBox.Text = DateTimeToString(SelectedDate.Value);
}
else if (!String.IsNullOrEmpty(_defaultText))
{
_textBox.Text = _defaultText;
SetSelectedDate();
}
}
base.OnTemplateApplied(e);
}
