private void MetadataMerger_DragDrop(object sender, DragEventArgs e)
{
if (!e.Data.GetDataPresent(DataFormats.FileDrop))
{
return;
}
string[] filenames = e.Data.GetData(DataFormats.FileDrop) as string[];
if (filenames.Length > 1 && Master == null)
{
MessageBox.Show("The first file must be dragged in by itself.");
return;
}
foreach (string f in filenames)
{
FileInfo file = new FileInfo(f);
if (file.Extension.ToLower() == ".lnk")
{
file = new FileInfo(WindowsShell.Shortcut.Resolve(f));
}
if (!new List <string> {
".xml", ".synthesia"
}.Contains(file.Extension.ToLower()))
{
Log($"SKIPPING file with unknown extension: {file.Name}");
continue;
}
RawMetadataFile metadata = new RawMetadataFile(file);
if (Master == null)
{
Master = metadata;
Log($"Setting \"{file.Name}\" as master ({metadata.Statistics})");
}
else
{
Log($"Adding contents of \"{file.Name}\" to master ({metadata.Statistics})");
if (Master.AddRange(metadata, Log))
{
Dirty = true;
}
}
}
}
/// <summary>
/// Adds all the songs from the passed in metadata file to this one. Returns true if changes were made to this file.
/// </summary>
public bool AddRange(RawMetadataFile other, Action <string> log)
{
var theirSongs = other.Raw.XPathSelectElements("/SynthesiaMetadata/Songs/Song");
if (!theirSongs.Any())
{
log("SKIPPING: No songs found.");
return(false);
}
var ourSongs = Raw.Root.Element("Songs");
bool madeChanges = false;
foreach (XElement s in theirSongs)
{
string id = s.AttributeOrDefault("UniqueId");
if (string.IsNullOrWhiteSpace(id))
{
log("SKIPPING song without a UniqueId.");
continue;
}
if (Raw.XPathSelectElement($"/SynthesiaMetadata/Songs/Song[@UniqueId='{id}']") != null)
{
log($"SKIPPING duplicate song \"{s.AttributeOrDefault("Title", "(No Title)")}\"!");
continue;
}
ourSongs.Add(s);
madeChanges = true;
}
var groups = (from s in other.StatisticsList where s.Key == "Groups" select s.Value).SingleOrDefault();
if (groups > 0)
{
log($"SKIPPING {groups} groups. Groups must be migrated manually!");
}
return(madeChanges);
}
