/// <summary>
/// Load custom animations from animation pane separated by click
/// </summary>
/// <returns>Queue of CustomClickItem</returns>
private Queue <CustomItem> LoadCustomClickItems()
{
int clickNo = FirstClickNumber;
Queue <CustomItem> customItems = new Queue <CustomItem>();
List <Effect> effects = slide.TimeLine.MainSequence.Cast <Effect>().ToList();
int startIdx = 0;
bool hasReachedEndOfSequence = effects.Count == 0;
do
{
List <CustomEffect> customEffects = new List <CustomEffect>();
for (int i = startIdx; i < effects.Count; i++)
{
Effect effect = effects.ElementAt(i);
if (i > startIdx && effect.Timing.TriggerType == MsoAnimTriggerType.msoAnimTriggerOnPageClick)
{
startIdx = i;
break;
}
if (i == effects.Count - 1)
{
hasReachedEndOfSequence = true;
}
bool isCustomEffect = SelfExplanationTagService.ExtractTagNo(effect.Shape.Name) == -1;
if (isCustomEffect)
{
if (customEffects.Count == 0 && clickNo > 0)
{
effect.Timing.TriggerType = MsoAnimTriggerType.msoAnimTriggerOnPageClick;
}
customEffects.Add(new CustomEffect(effect.Shape.Name, effect.Shape.Id.ToString(),
EffectToAnimationTypeConverter.GetAnimationTypeOfEffect(effect)));
}
}
CustomItem customClickBlock =
new CustomItemFactory(customEffects).GetBlock() as CustomItem;
if (customClickBlock != null)
{
customClickBlock.ClickNo = clickNo;
customItems.Enqueue(customClickBlock);
}
clickNo++;
}while (startIdx <= effects.Count - 1 && !hasReachedEndOfSequence);
return(customItems);
}
private ObservableCollection <ClickItem> LoadItems(DoWorkEventArgs e)
{
SelfExplanationTagService.Clear();
int clickNo = FirstClickNumber;
ObservableCollection <ClickItem> customItems = new ObservableCollection <ClickItem>();
ObservableCollection <ClickItem> clickItems = new ObservableCollection <ClickItem>();
List <Dictionary <string, string> > explanationItems =
ELearningLabTextStorageService.LoadSelfExplanationsFromSlide(slide);
ClickItem customClickBlock;
SelfExplanationTagService.PopulateTagNos(slide.GetShapesWithNameRegex(ELearningLabText.PPTLShapeNameRegex)
.Select(x => x.Name).ToList());
HashSet <int> tagNums = new HashSet <int>();
List <Effect> effects = slide.TimeLine.MainSequence.Cast <Effect>().ToList();
int startIdx = 0;
bool hasReachedEndOfSequence = effects.Count == 0;
List <CustomEffect> customEffects = new List <CustomEffect>();
List <ELLEffect> pptlEffects = new List <ELLEffect>();
do
{
if (worker.CancellationPending)
{
e.Cancel = true;
return(clickItems);
}
customEffects = new List <CustomEffect>();
for (int i = startIdx; i < effects.Count; i++)
{
Effect effect = effects.ElementAt(i);
if (i > startIdx && effect.Timing.TriggerType == MsoAnimTriggerType.msoAnimTriggerOnPageClick)
{
startIdx = i;
break;
}
if (i == effects.Count - 1)
{
hasReachedEndOfSequence = true;
}
bool isPPTLEffect = SelfExplanationTagService.ExtractTagNo(effect.Shape.Name) != -1;
if (!isPPTLEffect)
{
customEffects.Add(new CustomEffect(effect.Shape.Name, effect.Shape.Id.ToString(),
EffectToAnimationTypeConverter.GetAnimationTypeOfEffect(effect)));
}
}
customClickBlock =
new CustomItemFactory(customEffects).GetBlock();
if (customClickBlock != null)
{
customClickBlock.ClickNo = clickNo;
customItems.Add(customClickBlock);
}
clickNo++;
}while (startIdx <= effects.Count - 1 && !hasReachedEndOfSequence);
while (explanationItems != null && explanationItems.Count > 0 && customItems.Count > 0)
{
if (worker.CancellationPending)
{
e.Cancel = true;
return(clickItems);
}
ExplanationItem expItem = CreateExpItemFromDictionary(explanationItems.First());
CustomItem customItem = customItems.ElementAt(0) as CustomItem;
if (customItem.ClickNo <= expItem.ClickNo)
{
clickItems.Add(customItem);
customItems.RemoveAt(0);
}
else
{
clickItems.Add(expItem);
explanationItems.RemoveAt(0);
}
}
while (explanationItems != null && explanationItems.Count > 0)
{
if (worker.CancellationPending)
{
e.Cancel = true;
return(clickItems);
}
ExplanationItem expItem = CreateExpItemFromDictionary(explanationItems.First());
explanationItems.RemoveAt(0);
clickItems.Add(expItem);
}
while (customItems.Count > 0)
{
if (worker.CancellationPending)
{
e.Cancel = true;
return(clickItems);
}
CustomItem customItem = customItems.ElementAt(0) as CustomItem;
customItems.RemoveAt(0);
clickItems.Add(customItem);
}
return(clickItems);
}
public static IEnumerable <CustomEffect> GetCustomEffectsForClick(this PowerPointSlide slide, int clickNo)
{
DateTime start = DateTime.Now;
List <Effect> effects = slide.TimeLine.MainSequence.Cast <Effect>().ToList();
Sequence sequence = slide.TimeLine.MainSequence;
try
{
Effect effectBefore = sequence.FindFirstAnimationForClick(clickNo);
Effect effectAfter = sequence.FindFirstAnimationForClick(clickNo + 1);
// from idxStart inclusive, idxEnd exclusive
int idxStart = effectBefore == null?effects.Count() : effects.IndexOf(effectBefore);
int idxEnd = effectAfter == null?effects.Count() : effects.IndexOf(effectAfter);
IEnumerable <Effect> customEffects = effects.GetRange(idxStart, idxEnd - idxStart).Where(x =>
SelfExplanationTagService.ExtractTagNo(x.Shape.Name) == -1);
IEnumerable <CustomEffect> _customEffects = customEffects.Select(x => new CustomEffect(x.Shape.Name, x.Shape.Id.ToString(),
EffectToAnimationTypeConverter.GetAnimationTypeOfEffect(x)));
if (clickNo > 0 && customEffects.Count() > 0)
{
customEffects.ElementAt(0).Timing.TriggerType = MsoAnimTriggerType.msoAnimTriggerOnPageClick;
}
return(_customEffects);
}
catch
{
// most likely caused by idxStart out of bound
return(new List <CustomEffect>());
}
}
