// 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);
}
// Read one HTML page and return a slide show
public SlideShow ReadSlideShow(string aSlideFile, out string aDiagnostic)
{
aDiagnostic = null;
// Determine the name of the future XML slide show file
string xmlFilePath = aSlideFile.Replace(".htm", ".xml");
SlideShow slideShow = new SlideShow(xmlFilePath);
//Console.WriteLine(" HtmlReader ReadSlideShow: parsing " + aSlideFile);
string html = ReadFile(aSlideFile);
if (html == null)
{
aDiagnostic = "ReadSlideShow: bad HTML slideshow file " + aSlideFile;
return(null);
}
else
{
ParseHTML parse = new ParseHTML();
parse.Source = html;
HtmlPreprocess htmlPreprocess = new HtmlPreprocess();
// Default overall title for the slide show, hopefully replaced with something better
string title = "A most peculiar day";
bool collectingTitle = false;
bool collectingCaption = false;
Caption caption = new Caption();
string link = "";
while (!parse.Eof())
{
char ch = parse.Parse();
if (ch == 0)
{
AttributeList tag = parse.GetTag();
if (tag.Name.Equals("title", StringComparison.CurrentCultureIgnoreCase))
{
collectingTitle = true; // Start collecting title
title = string.Empty;
}
else if (tag.Name.Equals("/title", StringComparison.CurrentCultureIgnoreCase))
{
collectingTitle = false; // Title now complete
slideShow.Title = title.Trim();
}
if (tag.Name.Equals("td", StringComparison.CurrentCultureIgnoreCase))
{
collectingCaption = true; // Start collecting new caption
caption = new Caption();
}
else if (tag.Name.Equals("/td", StringComparison.CurrentCultureIgnoreCase))
{
collectingCaption = false; // Any caption is now complete
if (!link.Equals(""))
{
// Got a link to go with the caption
slideShow.Add(link, caption);
link = "";
}
}
else if (collectingCaption &&
tag.Name.Equals("p", StringComparison.CurrentCultureIgnoreCase))
{
// HTML paragraph tag within caption
caption.NewLine();
}
else if (tag["href"] != null)
{
string href = tag["href"].Value.Replace('/', '\\');
if (IsPhoto(href))
{
//Console.WriteLine(" + HtmlReader ReadSlideShow: add " + href +
// " from tag " + tag.Name);
link = href;
}
}
// Preprocessing of regular character stream starts with clean sheet after tag
htmlPreprocess.Reset();
}
else
{
// Got a character
ch = htmlPreprocess.Add(ch);
if (ch != HtmlPreprocess.NullChar)
{
if (collectingTitle)
{
title += ch;
}
else if (collectingCaption)
{
caption.AddChar(ch);
}
}
}
}
return(slideShow);
}
}
// Parameterless constructor needed for serialisation
public Slide()
{
Path = null;
iCaption = null;
}
// Add a new slide to the sequence
public void Add(string aPhotoPath, Caption aCaption)
{
iShow.Add(new Slide(aPhotoPath, aCaption));
}
public Slide(string aPath, Caption aCaption)
{
Path = aPath;
iCaption = aCaption;
}
