///////////////////////////////////////////////////////////////////////////////
// Eventhandler for Custom Defined Events //
///////////////////////////////////////////////////////////////////////////////
/// <summary>
/// The <see cref="PresenterModule.CounterChanged"/> event handler.
/// Indicates a slide change in the presenter, so update trial and slide
/// counter and the live viewer.
/// </summary>
/// <param name="sender">
/// Source of the event.
/// </param>
/// <param name="e">
/// A <see cref="CounterChangedEventArgs"/> with the event data.
/// </param>
private void ObjPresenterCounterChanged(object sender, CounterChangedEventArgs e)
{
this.counterChangedTime = this.GetCurrentTime();
if (this.counterChangedTime < 0)
{
throw new ArgumentException("Tracking had not been started");
}
if (this.recordingStarttime == -5)
{
this.recordingStarttime = this.counterChangedTime;
this.recordTimerWatch.Start();
this.tmrRecordClock.Start();
// Start update timer of control panel viewer
this.Picture.StartAnimation();
}
lock (this)
{
this.slideCounter = e.SlideCounter;
// Don´t use presenters trialCounter
// Because of using links between trials.
// and care of trials with multiple slides
// don´t increase trial sequence counter on this.
if (this.slideCounter == 0)
{
this.trialSequenceCounter++;
}
// Set current trial
if (e.TrialID == -5)
{
this.currentTrial = null;
}
else
{
var trialIndex = this.trials.GetIndexOfTrialByID(e.TrialID);
if (trialIndex < 0)
{
// The trial is not in the default trial list, so it might has been created during recording
// or is a subtrial of a browsing trial
trialIndex = PresenterModule.TrialsIncludingNavigatedWebpages.GetIndexOfTrialByID(e.TrialID);
this.currentTrial = (Trial)PresenterModule.TrialsIncludingNavigatedWebpages[trialIndex].Clone();
}
else
{
this.currentTrial = this.trials[trialIndex];
}
}
// Set current slide
this.currentSlide = this.currentTrial != null ? this.currentTrial[this.slideCounter] : null;
}
}
/// <summary>
/// This method raises the <see cref="CounterChanged"/>
/// event by invoking the delegates.
/// It should be called when the current slide ot trial index has changed.
/// </summary>
/// <param name="e">
/// A <see cref="CounterChangedEventArgs"/> with the event data.
/// </param>
/// .
private void OnCounterChanged(CounterChangedEventArgs e)
{
if (this.CounterChanged != null)
{
// This is the only place we should not use asynchrous calls.
this.CounterChanged(this, e);
}
}