// Removes, updates, and adds alarms
private void RefreshAlarms(ICollection <Alarm> alarms)
{
// Show that several concurrent alarms exist
AlarmGrid.Visibility = Visibility.Visible;
NoAlarmPnl.Visibility = Visibility.Hidden;
InfoCenterCtrl.Visibility = Visibility.Hidden;
InfoCenterCtrl.Stop();
MultiAlarmGrid.Visibility = alarms.Count > 1 ? Visibility.Visible : Visibility.Collapsed;
// Remove finished alarms, refresh existing alarms, show new alarms
var removeIds = mAlarmId2Ctrl.Keys.Except(alarms.Select(a => a.Id)).ToList();
int numberOfRemovedAlarms = RemoveAlarms(removeIds);
UpdateAlarms(alarms);
var newAlarms = AddAlarms(alarms);
// Ensure that an alarm is shown
if (newAlarms.Count == 0 && numberOfRemovedAlarms > 0)
{
ShowNextAlarm();
}
#region Turn screen on, bring window to front, play sound
if (newAlarms.Count > 0)
{
// Turn on screen
try
{
if (mPublicDisplayControl != null)
{
mPublicDisplayControl.TurnOn();
}
else
{
// Stop turning off screen
if (mTurnScreenOffTimer != null)
{
mTurnScreenOffTimer.Stop();
}
ScreenPower.TurnOn(this);
}
}
catch (Exception ex)
{
Log.GetInstance().LogError("Error in turning on screen.", ex);
}
// Bring the AIC window to front
ShowAndActivate();
// Play a sound
if (!Starting)
{
try
{
mSoundHelper.Alarm = newAlarms.Last();
if (AicSettings.Global.PlayAlarmSound && !AicSettings.Global.PlayAnnouncement)
{
mSoundHelper.PlayAlarmSound();
}
else if (AicSettings.Global.PlayAnnouncement)
{
mSoundHelper.PlaySequence(AicSettings.Global.PlayAlarmSound, AicSettings.Global.AnnouncementIntervals);
}
}
catch (Exception ex)
{
Log.GetInstance().LogError("Could not play sound.", ex);
}
}
}
#endregion
}
// Occurs whenever a key has been pressed
private void Window_KeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.F1)
{
TaskBarNotifier.ShowInfo(this);
}
else if (e.Key == Key.F5)
{
bool connectionOk = mAicMessageListener.CheckConnection();
if (connectionOk)
{
mAicMessageListener.SendRequestAsync();
}
else
{
mAicMessageListener.Disconnect();
}
if (!mExistentAlarm && AicSettings.Global.InfoCenterEnabled)
{
InfoCenterCtrl.LoadData();
}
}
else if (e.Key == Key.F7)
{
if (CurrentAlarmCtrl != null)
{
mSoundHelper.Alarm = CurrentAlarmCtrl.Alarm.BaseAlarm;
mSoundHelper.PlayAnnouncement();
}
}
else if (e.Key == Key.F8)
{
mSoundHelper.Stop();
}
else if (e.Key == Key.F12)
{
ShowSettings();
}
else if (Keyboard.Modifiers == ModifierKeys.Control && e.Key == Key.P)
{
if (CurrentAlarmCtrl != null)
{
new PrintWindow(mAlarmPrinter.ServerName, mAlarmPrinter.PrinterName).ShowAndClose();
mAlarmPrinter.Print(CurrentAlarmCtrl.Alarm.BaseAlarm);
}
}
else if (e.Key == Key.Left)
{
mChangeTabTimer.Stop(); // Restart the timer
mChangeTabTimer.Start();
ShowPreviousAlarm();
if (InfoCenterCtrl.IsActive)
{
InfoCenterCtrl.ShowPreviousPage();
InfoCenterCtrl.ResetTimer();
}
}
else if (e.Key == Key.Right)
{
mChangeTabTimer.Stop(); // Restart the timer
mChangeTabTimer.Start();
ShowNextAlarm();
if (InfoCenterCtrl.IsActive)
{
InfoCenterCtrl.ShowNextPage();
InfoCenterCtrl.ResetTimer();
}
}
}
// Refreshes the main window
private void RefreshMainWindow(ICollection <Alarm> alarms = null)
{
bool removeAlarms = false;
if (!ConnectionAicToServerOk || !mConnectionWasToServerOk)
{
#region No connection client to server or no connection WAS to server
if (!ConnectionAicToServerOk)
{
NoAlarmLbl.Content = "Keine Verbindung zum Server vorhanden.";
}
else
{
NoAlarmLbl.Content = AicSettings.Global.StandAloneMode ? "Keine Verbindung zum WAS vorhanden." : "Keine Verbindung zwischen WAS und Server vorhanden.";
}
NoAlarmPnl.Visibility = Visibility.Visible;
InfoCenterCtrl.Visibility = Visibility.Hidden;
InfoCenterCtrl.Stop();
removeAlarms = true;
#endregion
}
else if (alarms != null)
{
#region Handle alarms
if (alarms.Count == 0) // Remove all alarms and show InfoCenter
{
#region No alarm. Show InfoCenter
// Stop sound
mSoundHelper.Alarm = null;
// Turn off the public screen if there was an alarm during the night hours
if (mPublicDisplayControl != null && mAlarmId2Ctrl.Count > 0 && IsTurnScreenOffTime())
{
mPublicDisplayControl.TurnOff();
}
// Start the timer for turning off the screen
if (mTurnScreenOffTimer != null && !mTurnScreenOffTimer.IsEnabled && mTurnScreenOffTimer.Interval.Ticks > 0)
{
mTurnScreenOffTimer.Start(); // Start() resets and starts the timer
}
removeAlarms = true;
NoAlarmLbl.Content = "Zur Zeit liegt kein Alarm vor.";
// Load the InfoCenter data and show it
if (!AicSettings.Global.InfoCenterEnabled)
{
NoAlarmPnl.Visibility = Visibility.Visible;
}
else if (InfoCenterCtrl.Status == Status.Stopped)
{
NoAlarmPnl.Visibility = Visibility.Visible;
InfoCenterCtrl.LoadData();
}
#endregion
}
else
{
RefreshAlarms(alarms);
}
#endregion
}
if (removeAlarms)
{
#region Remove all alarms
AlarmGrid.Visibility = Visibility.Hidden;
foreach (TabItem tab in AlarmTabCtrl.Items)
{
DisposeAlarm(tab);
}
AlarmTabCtrl.Items.Clear();
mAlarmId2Ctrl.Clear();
#endregion
}
}
