public override global::System.Data.DataSet Clone()
{
MediaDataSet cln = ((MediaDataSet)(base.Clone()));
cln.InitVars();
cln.SchemaSerializationMode = this.SchemaSerializationMode;
return(cln);
}
public static global::System.Xml.Schema.XmlSchemaComplexType GetTypedDataSetSchema(global::System.Xml.Schema.XmlSchemaSet xs)
{
MediaDataSet ds = new MediaDataSet();
global::System.Xml.Schema.XmlSchemaComplexType type = new global::System.Xml.Schema.XmlSchemaComplexType();
global::System.Xml.Schema.XmlSchemaSequence sequence = new global::System.Xml.Schema.XmlSchemaSequence();
global::System.Xml.Schema.XmlSchemaAny any = new global::System.Xml.Schema.XmlSchemaAny();
any.Namespace = ds.Namespace;
sequence.Items.Add(any);
type.Particle = sequence;
global::System.Xml.Schema.XmlSchema dsSchema = ds.GetSchemaSerializable();
if (xs.Contains(dsSchema.TargetNamespace))
{
global::System.IO.MemoryStream s1 = new global::System.IO.MemoryStream();
global::System.IO.MemoryStream s2 = new global::System.IO.MemoryStream();
try {
global::System.Xml.Schema.XmlSchema schema = null;
dsSchema.Write(s1);
for (global::System.Collections.IEnumerator schemas = xs.Schemas(dsSchema.TargetNamespace).GetEnumerator(); schemas.MoveNext();)
{
schema = ((global::System.Xml.Schema.XmlSchema)(schemas.Current));
s2.SetLength(0);
schema.Write(s2);
if ((s1.Length == s2.Length))
{
s1.Position = 0;
s2.Position = 0;
for (; ((s1.Position != s1.Length) &&
(s1.ReadByte() == s2.ReadByte()));)
{
;
}
if ((s1.Position == s1.Length))
{
return(type);
}
}
}
}
finally {
if ((s1 != null))
{
s1.Close();
}
if ((s2 != null))
{
s2.Close();
}
}
}
xs.Add(dsSchema);
return(type);
}
public MediaInfoKeeper(String p_version, String p_fileFolder)
{
version = p_version;
ds = new MediaDataSet();
folder = p_fileFolder;
if ((folder.Length > 0) && (!(folder.EndsWith(Path.DirectorySeparatorChar.ToString()))))
{
folder += Path.DirectorySeparatorChar;
}
if (Parameters.IgnoreWhenLocked)
{
SystemEvents.SessionSwitch += SystemEvents_SessionSwitch;
}
}
public static global::System.Xml.Schema.XmlSchemaComplexType GetTypedDataSetSchema(global::System.Xml.Schema.XmlSchemaSet xs) {
MediaDataSet ds = new MediaDataSet();
global::System.Xml.Schema.XmlSchemaComplexType type = new global::System.Xml.Schema.XmlSchemaComplexType();
global::System.Xml.Schema.XmlSchemaSequence sequence = new global::System.Xml.Schema.XmlSchemaSequence();
global::System.Xml.Schema.XmlSchemaAny any = new global::System.Xml.Schema.XmlSchemaAny();
any.Namespace = ds.Namespace;
sequence.Items.Add(any);
type.Particle = sequence;
global::System.Xml.Schema.XmlSchema dsSchema = ds.GetSchemaSerializable();
if (xs.Contains(dsSchema.TargetNamespace)) {
global::System.IO.MemoryStream s1 = new global::System.IO.MemoryStream();
global::System.IO.MemoryStream s2 = new global::System.IO.MemoryStream();
try {
global::System.Xml.Schema.XmlSchema schema = null;
dsSchema.Write(s1);
for (global::System.Collections.IEnumerator schemas = xs.Schemas(dsSchema.TargetNamespace).GetEnumerator(); schemas.MoveNext(); ) {
schema = ((global::System.Xml.Schema.XmlSchema)(schemas.Current));
s2.SetLength(0);
schema.Write(s2);
if ((s1.Length == s2.Length)) {
s1.Position = 0;
s2.Position = 0;
for (; ((s1.Position != s1.Length)
&& (s1.ReadByte() == s2.ReadByte())); ) {
;
}
if ((s1.Position == s1.Length)) {
return type;
}
}
}
}
finally {
if ((s1 != null)) {
s1.Close();
}
if ((s2 != null)) {
s2.Close();
}
}
}
xs.Add(dsSchema);
return type;
}
private void UpdateRatings(MediaDataSet.TracksRow track, MediaDataSet.AlbumsRow album, MediaDataSet.ArtistsRow artist, MediaDataSet.GenresRow genre, RatingDelta delta)
{
track.Rating = UpdateRating(track.Rating, delta.Track);
album.Rating = UpdateRating(album.Rating, delta.Album);
artist.Rating = UpdateRating(artist.Rating, delta.Artist);
genre.Rating = UpdateRating(genre.Rating, delta.Genre);
}
/// <summary>
/// Load media data from XML file
/// </summary>
public void Load()
{
try
{
ds.ReadXml(folder + Consts.Files.RatingFile);
}
catch (Exception e)
{
Log.Write(e);
ds = new MediaDataSet();
}
if (ds.System.Count != 1)
{
Log.Write(String.Format("System table contains wrong number of rows - [{0}] instead of one, replacing it with defaults",
ds.System.Count));
// we could convert from previous versions....
// actually this could mean, that we have too old data set...
ds.System.Clear();
MediaDataSet.SystemRow s = ds.System.NewSystemRow();
s.ApplicationVersion = version;
s.DataSetVersion = Consts.DataSetVersion;
ds.System.AddSystemRow(s);
ds.AcceptChanges();
}
// now we should have single entry
if (ds.System[0].DataSetVersion < Consts.DataSetVersion)
{
// TODO: consider conversion from old versions
Log.Write(String.Format("DataSet has version [{0}] instead of [{1}], upgrading DataSet...", ds.System[0].DataSetVersion,
Consts.DataSetVersion));
ds.System[0].DataSetVersion = Consts.DataSetVersion;
}
else if (ds.System[0].DataSetVersion != Consts.DataSetVersion)
{
Log.Write(String.Format("DataSet has version [{0}] instead of [{1}], possible data loss!", ds.System[0].DataSetVersion,
Consts.DataSetVersion));
ds.System[0].DataSetVersion = Consts.DataSetVersion;
}
if (!(ds.System[0].ApplicationVersion.Equals(version)))
{
ds.System[0].ApplicationVersion = version;
Log.Write(String.Format("Application version is [{0}] instead of [{1}]", ds.System[0].ApplicationVersion, version));
}
}
//constructor
public MediaDataAccessObject()
{
_mediaDataSet = new MediaDataSet();
_mediaTabTableAdapter = new TabMediaTableAdapter();
}
