// Add the images in the folder to the slide show.
// Return the number of images found.
public int PopulateFromFolder()
{
string mainPath = Path.GetDirectoryName(iFilePath);
string subDirectory = Path.GetFileNameWithoutExtension(iFilePath);
string slideShowFolder = Path.Combine(mainPath, subDirectory);
int dayOfPrevSlide = -1;
foreach (FileInfo file in new DirectoryInfo(slideShowFolder).GetFiles())
{
if (IsPhoto(file))
{
string relativePath = Path.Combine(subDirectory, file.ToString());
Caption caption = null;
DateTime dateTime;
if (ParseDateName(file.ToString(), out dateTime))
{
string day = dateTime.DayOfWeek.ToString();
string date = dateTime.ToLongDateString();
caption = new Caption();
int thisDay = dateTime.DayOfYear;
if (thisDay == dayOfPrevSlide)
{
// Same day: abbreviated date in caption
caption.AddLine(string.Format("{0}, {1:HH}:{1:mm}", day, dateTime));
}
else
{
// New day: include full date in caption
caption.AddLine(string.Format("{0} {1}", day, date));
caption.AddLine(string.Format("{0:HH}:{0:mm}", dateTime));
dayOfPrevSlide = thisDay;
}
}
// Add images provided they are not already in the slideshow.
// This enables new images to be added to an existing slideshow.
if (!IsInShow(file.ToString()))
{
Add(relativePath, caption);
}
}
}
// In case we are adding new slides to an existing show, sort the final set
// to ensure that the new slides appear in the correct order
iShow.Sort();
return(iShow.Count);
}
