/// <summary>
/// Setzt das aktuelle Element (einer Kopie) des digitalen Objekts auf einen vorgegebenen Wert.
/// </summary>
/// <param name="index">
/// Ganzzahl, die die 0-basierte Position des neuen aktuellen Elements (in der zurück gegebenen Kopie des digitalen Objekts) angibt.
/// </param>
/// <returns>
/// Gibt eine Kopie des aktuellen digitalen Objekts zurück, bei der das Element an der Psoition index das aktuelle Element ist.
/// </returns>
public override DigitalObject SelectElement(int index)
{
Mp3Album newdo = (Mp3Album)this.MemberwiseClone();
newdo.actlTrack = index;
return(newdo);
}
public static bool CheckDigitalObjectDirectory(string itemId, ref string tocString, ref string signatureStr, StringDictionary itemDescriptors )
{
bool result = false;
if ((tocString.Contains("$$TOC$$=")) && (tocString.Contains("XXXXX_")))
{
ImportOptions directories = new UserSettingsService().GetImportOptions();
string objectName = tocString.Substring(tocString.IndexOf("XXXXX_") + "XXXXX_".Length,tocString.IndexOf("/",tocString.IndexOf("XXXXX_")) - tocString.IndexOf("XXXXX_") -"XXXXX_".Length);
string objectType = tocString.Contains("ArcMusicMp3") ? "ArcMusicMp3" : "ArcAudioMp3";
Mp3Album digObj = new Mp3Album(directories.AudioProjectDirectory + "\\" + objectName, objectType);
digObj.Read();
if (digObj.ElementCount > 0)
{
bool[] includeElements = new bool[digObj.ElementCount];
string newSigStr = "JB: MyMusic=" + digObj.GenerateAccessLink(itemId) + "; ";
string newTocStr = tocString.Replace("XXXXX_", itemId + "_");
for (int i = 0; i < digObj.ElementCount; i++)
{
string theFileName = digObj.SelectElement(i + 1).DigitalObjectIdentifier(DigitalObject.DOIdentifier.filename);
if (includeElements[i] = newTocStr.Contains(theFileName))
newTocStr = newTocStr.Replace(theFileName, "TRACK" + (i+1) + ".m3u");
}
if (itemDescriptors.ContainsKey("Abstract"))
itemDescriptors["Abstract"] = newTocStr;
tocString = newTocStr;
signatureStr += signatureStr.Contains(newSigStr) ? "" : " " + newSigStr;
try
{
digObj.GenerateAccessStructure(itemId, includeElements);
digObj.ChangeDescriptionElements(itemDescriptors, includeElements);
result = true;
}
catch (Exception ex)
{
throw new Exception("Directory for digital object could not be created. " + ex.Message, ex.InnerException);
}
}
}
return result;
}