public bool LoadUIL(string folderPath)
{
bool result = false;
List <uint> ids = new List <uint>();
List <string> types = new List <string>();
List <DateTime> dates = new List <DateTime>();
List <uint> originalSourceIds = new List <uint>();
List <string> names = new List <string>();
List <string> libraryPaths = new List <string>();
List <string> dataPaths = new List <string>();
string libFileName = folderPath + "Library.xml";
FileStream fs = new FileStream(libFileName, FileMode.Open);
XmlTextReader r = new XmlTextReader(fs);
r.WhitespaceHandling = WhitespaceHandling.None;
r.ReadStartElement("Library");
do
{
if (r.IsStartElement())
{
switch (r.Name)
{
case "LibraryIdCounter":
if (r.Read())
{
definitionIdCounter = uint.Parse(r.Value.Trim(), NumberStyles.Any);
r.Read();
}
break;
case "LibraryItems":
while (r.Read())
{
if (r.IsStartElement() && r.Name == "Item")
{
ids.Add(uint.Parse(r.GetAttribute("Id"), CultureInfo.InvariantCulture));
types.Add(r.GetAttribute("Type"));
dates.Add(DateTime.ParseExact(r.GetAttribute("Date"), "u", CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal));
string osid = r.GetAttribute("OriginalSourceId");
if (osid != null)
{
uint orgId;
uint.TryParse(osid, out orgId);
originalSourceIds.Add(orgId);
}
else
{
originalSourceIds.Add(0);
}
names.Add(r.GetAttribute("Name"));
dataPaths.Add(r.GetAttribute("DataPath"));
libraryPaths.Add(r.GetAttribute("LibraryPath"));
}
}
break;
default:
r.Read();
break;
}
}
}while (r.Read());
r.Close();
fs.Close();
// read actual library Items
for (int i = 0; i < ids.Count; i++)
{
string dp = folderPath + dataPaths[i];
string type = types[i];
LibraryItem li = LibraryItem.LoadFromPath(stage, type, dp);
if (li != null) // todo: account for missing files
{
li.Name = names[i];
li.OriginalSourceId = originalSourceIds[i];
li.Date = dates[i];
li.LibraryPath = libraryPaths[i];
AddLibraryItem(li);
li.HasSaveableChanges = false;
}
}
hasSaveableChanges = false;
return(result);
}