public void removeSlide(Slide slide)
{
int slideIndex = slideshow.indexOf(slide);
if (slideIndex != -1)
{
slideshow.removeAt(slideIndex);
if (SlideRemoved != null)
{
SlideRemoved.Invoke(slide);
}
Slide changeToSlide = null;
if (slide == lastEditSlide)
{
if (slideIndex < slideshow.Count)
{
changeToSlide = slideshow.get(slideIndex);
}
else if (slideIndex - 1 >= 0)
{
changeToSlide = slideshow.get(slideIndex - 1);
}
}
if (changeToSlide != null)
{
bool wasAllowingUndo = allowUndoCreation;
allowUndoCreation = false;
if (SlideSelected != null)
{
SlideSelected.Invoke(changeToSlide, IEnumerableUtil <Slide> .EmptyIterator);
}
allowUndoCreation = wasAllowingUndo;
}
if (allowUndoCreation)
{
if (changeToSlide == null)
{
undoBuffer.pushAndSkip(new TwoWayDelegateCommand <SlideInfo>(new SlideInfo(slide, slideIndex),
new TwoWayDelegateCommand <SlideInfo> .Funcs()
{
ExecuteFunc = (executeSlide) =>
{
allowUndoCreation = false;
removeSlide(executeSlide.Slide);
allowUndoCreation = true;
},
UndoFunc = (undoSlide) =>
{
allowUndoCreation = false;
addSlide(undoSlide.Slide, undoSlide.Index);
allowUndoCreation = true;
},
}
));
}
else
{
undoBuffer.pushAndSkip(new TwoWayDelegateCommand <RemoveSlideInfo>(new RemoveSlideInfo(slide, slideIndex, changeToSlide),
new TwoWayDelegateCommand <RemoveSlideInfo> .Funcs()
{
ExecuteFunc = (executeSlide) =>
{
//Hacky, but we cannot modify the active slide without messing up the classes that triggered this.
ThreadManager.invoke(new Action(delegate()
{
allowUndoCreation = false;
removeSlide(executeSlide.Slide);
if (SlideSelected != null)
{
SlideSelected.Invoke(executeSlide.ChangeToSlide, IEnumerableUtil <Slide> .EmptyIterator);
}
allowUndoCreation = true;
}));
},
UndoFunc = (undoSlide) =>
{
//Hacky, but we cannot modify the active slide without messing up the classes that triggered this.
ThreadManager.invoke(new Action(delegate()
{
allowUndoCreation = false;
addSlide(undoSlide.Slide, undoSlide.Index);
if (SlideSelected != null)
{
SlideSelected.Invoke(undoSlide.Slide, IEnumerableUtil <Slide> .EmptyIterator);
}
allowUndoCreation = true;
}));
},
PoppedFrontFunc = cleanupThumbnail
}));
}
}
}
}