/// <summary>
/// The start action
/// </summary>
private void Start()
{
this.Information = "Fotos werden gesucht...";
var handler = new ExifFileHandler();
// The progress object is passed to the worker thread. It updates the Information property
// and thus raises a propertyChanged event which is used to display the background worker progress.
IProgress<TransferProgress> progress = new Progress<TransferProgress>(this.ProgressHandler);
// The background task uses the Task library instead of the BackgroundWorker (this would be old-school).
// The progress handler is passed down to the method executed in the background thread of the task.
// By a miracle the progress information is tunneled through the threads and triggers an update of the
// information text in the GUI.
this.fileHandlerTask = Task.Factory.StartNew(() => handler.FindAndCopyFiles(this.sourcePath, this.targetPath, this.startDate, this.endDate, this.KeepOriginalFileName, progress));
}
/// <summary>
/// The drag-and-drop handler
/// </summary>
/// <param name="droppedFiles">The files to copy.</param>
public void DropFiles(IEnumerable<string> droppedFiles)
{
var exifHandler = new ExifFileHandler();
int numFiles = 0;
this.Information = "Kopiere Drag-and-drop Dateien";
foreach(string source in droppedFiles)
{
string[] sourceFiles;
if (Directory.Exists(source))
{
sourceFiles = Directory.GetFiles(source, "*.jpg", SearchOption.AllDirectories);
}
else
{
// a single file
sourceFiles = new string[1];
sourceFiles[0] = source;
}
foreach(string sourceFile in sourceFiles)
{
if (exifHandler.CopySingleFile(sourceFile, this.targetPath, this.KeepOriginalFileName))
{
numFiles++;
}
this.Information = string.Format("{0} Datei{1} wurden kopiert", numFiles, numFiles == 1 ? string.Empty : "en");
}
}
}