//static helper
/// <summary>
/// creates new pdfs from paths intelligently with options
/// </summary>
public static IEnumerable<Img2PdfJob> For(IEnumerable<string> paths, IImg2PdfOptions options = null)
{
string[] pathsa = paths.ToArray();
//if options isn't null validate it
options?.Validate();
bool inputFolders = false;
bool inputFiles = false;
//see if we have folders (many jobs) or folders & files (one job) or files (one job)
//and check for bad paths
foreach (var path in pathsa.OrderBy(p => p)) {
//is an input, ensure it exists
if (Directory.Exists(path)) {
inputFolders = true;
} else if (File.Exists(path)) {
inputFiles = true;
} else {
throw new Exception("Invalid path '" + path + "' in inputs.");
}
}
//clean up
// Job takes files and can figure things out, pass in directory, page size etc
List<Img2PdfJob> newJobs = new List<Img2PdfJob>();
if (inputFolders && ! inputFiles) {
//all paths are folders so make a pdf for each folder
foreach (var folder in pathsa) {
var dir = options?.outputDirectory ?? Path.GetDirectoryName(folder);
newJobs.Add(new Img2PdfJob(dir + "\\" + Path.GetFileName(folder) + ".pdf", KPath.GetAllFiles(folder)));
}
} else {
//todo, is hack, put into katbyte.dll strings.FindCommonStart ?
string start = "" + pathsa[0][0];
for (int i = 0; i < pathsa[0].Length && pathsa.Any(input => input.StartsWith(start)); start = pathsa[0].Substring(0, ++i)) {}
var dir = options?.outputDirectory ?? Path.GetDirectoryName(start);
if (dir == null || ! Directory.Exists(dir)) {
throw new Exception("Unable to determine common outputDirectory to place PDF.... what now?");
}
// get jobs
newJobs.Add(new Img2PdfJob(dir + "\\" + Path.GetFileName(dir) + ".pdf", KPath.GetAllFiles(pathsa)));
}
return newJobs;
}
//constructor & load
/// <summary>
/// img2pdfDrop output outputDirectory options form constructor
/// </summary>
public OutputDirectoryForm(IImg2PdfOptions settings) {
this.options = settings;
InitializeComponent();
}
