/// <summary>インスタンスを初期化します。</summary>
/// <param name="order">ソート方向を表す <see cref="NaturalSortOrder"/>。</param>
/// <param name="options">比較方法を表す <see cref="NaturalComparerOptions"/>。</param>
/// <param name="ignoreCharacter">無視する文字を表す char[]。</param>
public NaturalComparer(NaturalSortOrder order, NaturalComparerOptions options, char[] ignoreCharacter)
{
this.SortOrder = order;
_ignoreCharacter = ignoreCharacter;
this.Options = options; // 最後に実行する必要がある
}
public static Func <SelectableMediaItem, SelectableMediaItem, int> getSortFunction(MediaFileSortMode sortMode)
{
Func <SelectableMediaItem, SelectableMediaItem, int> sortFunc = null;
switch (sortMode)
{
case MediaFileSortMode.Name:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = NaturalSortOrder.CompareNatural(Path.GetFileName(a.Item.Location),
Path.GetFileName(b.Item.Location));
return(result);
});
break;
case MediaFileSortMode.Size:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
return(onEquals(a.Item.Metadata.SizeBytes.CompareTo(b.Item.Metadata.SizeBytes), a, b));
});
break;
case MediaFileSortMode.Rating:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
return(onEquals(Nullable.Compare(a.Item.Metadata.Rating, b.Item.Metadata.Rating), a, b));
});
break;
case MediaFileSortMode.Imported:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
return(onEquals(a.Item.Metadata.IsImported.CompareTo(b.Item.Metadata.IsImported), a, b));
});
break;
case MediaFileSortMode.Tags:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
return(onEquals(a.Item.Metadata.Tags.Count.CompareTo(b.Item.Metadata.Tags.Count), a, b));
});
break;
case MediaFileSortMode.FileDate:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
return(onEquals(a.Item.Metadata.FileDate.CompareTo(b.Item.Metadata.FileDate), a, b));
});
break;
case MediaFileSortMode.MimeType:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
return(onEquals(a.Item.Metadata.MimeType.CompareTo(b.Item.Metadata.MimeType), a, b));
});
break;
case MediaFileSortMode.LastModified:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
return(onEquals(a.Item.Metadata.LastModifiedDate.CompareTo(b.Item.Metadata.LastModifiedDate), a, b));
});
break;
case MediaFileSortMode.CreationDate:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
return(onEquals(Nullable.Compare(a.Item.Metadata.CreationDate, b.Item.Metadata.CreationDate), a, b));
});
break;
case MediaFileSortMode.SoftWare:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
return(onEquals(Compare(a.Item.Metadata.Software, b.Item.Metadata.Software), a, b));
});
break;
case MediaFileSortMode.Width:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
int widthA;
int widthB;
if (a.Item.Metadata is ImageMetadata)
{
widthA = (a.Item.Metadata as ImageMetadata).Width;
}
else
{
widthA = (a.Item.Metadata as VideoMetadata).Width;
}
if (b.Item.Metadata is ImageMetadata)
{
widthB = (b.Item.Metadata as ImageMetadata).Width;
}
else
{
widthB = (b.Item.Metadata as VideoMetadata).Width;
}
return(onEquals(widthA.CompareTo(widthB), a, b));
});
break;
case MediaFileSortMode.Height:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
int heightA;
int heightB;
if (a.Item.Metadata is ImageMetadata)
{
heightA = (a.Item.Metadata as ImageMetadata).Height;
}
else
{
heightA = (a.Item.Metadata as VideoMetadata).Height;
}
if (b.Item.Metadata is ImageMetadata)
{
heightB = (b.Item.Metadata as ImageMetadata).Height;
}
else
{
heightB = (b.Item.Metadata as VideoMetadata).Height;
}
return(onEquals(heightA.CompareTo(heightB), a, b));
});
break;
case MediaFileSortMode.Duration:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
int?aDuration = null;
int?bDuration = null;
if (a.Item.Metadata is AudioMetadata)
{
aDuration = (a.Item.Metadata as AudioMetadata).DurationSeconds;
}
else
{
aDuration = (a.Item.Metadata as VideoMetadata).DurationSeconds;
}
if (b.Item.Metadata is AudioMetadata)
{
bDuration = (b.Item.Metadata as AudioMetadata).DurationSeconds;
}
else
{
bDuration = (b.Item.Metadata as VideoMetadata).DurationSeconds;
}
return(onEquals(Nullable.Compare <int>(aDuration, bDuration), a, b));
});
break;
case MediaFileSortMode.FramesPerSecond:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <double> aFPS = a.Item.Metadata is VideoMetadata ? new Nullable <double>((a.Item.Metadata as VideoMetadata).FramesPerSecond) : null;
Nullable <double> bFPS = b.Item.Metadata is VideoMetadata ? new Nullable <double>((b.Item.Metadata as VideoMetadata).FramesPerSecond) : null;
return(onEquals(Nullable.Compare <double>(aFPS, bFPS), a, b));
});
break;
case MediaFileSortMode.VideoRate:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <long> aVideoRate = a.Item.Metadata is VideoMetadata ? (a.Item.Metadata as VideoMetadata).VideoBitRate : null;
Nullable <long> bVideoRate = b.Item.Metadata is VideoMetadata ? (b.Item.Metadata as VideoMetadata).VideoBitRate : null;
return(onEquals(Nullable.Compare <long>(aVideoRate, bVideoRate), a, b));
});
break;
case MediaFileSortMode.AudioRate:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <long> aAudioRate = a.Item.Metadata is VideoMetadata ? (a.Item.Metadata as VideoMetadata).AudioBitRate : null;
Nullable <long> bAudioRate = b.Item.Metadata is VideoMetadata ? (b.Item.Metadata as VideoMetadata).AudioBitRate : null;
return(onEquals(Nullable.Compare <long>(aAudioRate, bAudioRate), a, b));
});
break;
case MediaFileSortMode.Rate:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <long> aBitRate = a.Item.Metadata is AudioMetadata ? (a.Item.Metadata as AudioMetadata).BitRate : null;
Nullable <long> bBitRate = b.Item.Metadata is AudioMetadata ? (b.Item.Metadata as AudioMetadata).BitRate : null;
return(onEquals(Nullable.Compare <long>(aBitRate, bBitRate), a, b));
});
break;
case MediaFileSortMode.VideoCodec:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
String aVideoCodec = a.Item.Metadata is VideoMetadata ? (a.Item.Metadata as VideoMetadata).VideoCodec : "";
String bVideoCodec = b.Item.Metadata is VideoMetadata ? (b.Item.Metadata as VideoMetadata).VideoCodec : "";
return(onEquals(aVideoCodec.CompareTo(bVideoCodec), a, b));
});
break;
case MediaFileSortMode.AudioCodec:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
string aAudioCodec = null;
string bAudioCodec = null;
if (a.Item.Metadata is AudioMetadata)
{
aAudioCodec = (a.Item.Metadata as AudioMetadata).AudioCodec;
}
else
{
aAudioCodec = (a.Item.Metadata as VideoMetadata).AudioCodec;
}
if (b.Item.Metadata is AudioMetadata)
{
bAudioCodec = (b.Item.Metadata as AudioMetadata).AudioCodec;
}
else
{
bAudioCodec = (b.Item.Metadata as VideoMetadata).AudioCodec;
}
return(onEquals(Compare(aAudioCodec, bAudioCodec), a, b));
});
break;
case MediaFileSortMode.PixelFormat:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
String aPixelFormat = a.Item.Metadata is VideoMetadata ? (a.Item.Metadata as VideoMetadata).PixelFormat : null;
String bPixelFormat = b.Item.Metadata is VideoMetadata ? (b.Item.Metadata as VideoMetadata).PixelFormat : null;
return(onEquals(Compare(aPixelFormat, bPixelFormat), a, b));
});
break;
case MediaFileSortMode.BitsPerSample:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
int?aBitsPerSample = null;
int?bBitsPerSample = null;
if (a.Item.Metadata is AudioMetadata)
{
aBitsPerSample = (a.Item.Metadata as AudioMetadata).BitsPerSample;
}
else
{
aBitsPerSample = (a.Item.Metadata as VideoMetadata).BitsPerSample;
}
if (b.Item.Metadata is AudioMetadata)
{
bBitsPerSample = (b.Item.Metadata as AudioMetadata).BitsPerSample;
}
else
{
bBitsPerSample = (b.Item.Metadata as VideoMetadata).BitsPerSample;
}
return(onEquals(Nullable.Compare(aBitsPerSample, bBitsPerSample), a, b));
});
break;
case MediaFileSortMode.SamplesPerSecond:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
int?aSamplesPerSecond = null;
int?bSamplesPerSecond = null;
if (a.Item.Metadata is AudioMetadata)
{
aSamplesPerSecond = (a.Item.Metadata as AudioMetadata).SamplesPerSecond;
}
else
{
aSamplesPerSecond = (a.Item.Metadata as VideoMetadata).SamplesPerSecond;
}
if (b.Item.Metadata is AudioMetadata)
{
bSamplesPerSecond = (b.Item.Metadata as AudioMetadata).SamplesPerSecond;
}
else
{
bSamplesPerSecond = (b.Item.Metadata as VideoMetadata).SamplesPerSecond;
}
return(onEquals(Nullable.Compare(aSamplesPerSecond, bSamplesPerSecond), a, b));
});
break;
case MediaFileSortMode.NrChannels:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
int?aNrChannels = null;
int?bNrChannels = null;
if (a.Item.Metadata is AudioMetadata)
{
aNrChannels = (a.Item.Metadata as AudioMetadata).NrChannels;
}
else
{
aNrChannels = (a.Item.Metadata as VideoMetadata).NrChannels;
}
if (b.Item.Metadata is AudioMetadata)
{
bNrChannels = (b.Item.Metadata as AudioMetadata).NrChannels;
}
else
{
bNrChannels = (b.Item.Metadata as VideoMetadata).NrChannels;
}
return(onEquals(Nullable.Compare(aNrChannels, bNrChannels), a, b));
});
break;
case MediaFileSortMode.CameraMake:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
String aVal = a.Item.Metadata is ImageMetadata ? (a.Item.Metadata as ImageMetadata).CameraMake : null;
String bVal = b.Item.Metadata is ImageMetadata ? (b.Item.Metadata as ImageMetadata).CameraMake : null;
return(onEquals(Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.CameraModel:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
String aVal = a.Item.Metadata is ImageMetadata ? (a.Item.Metadata as ImageMetadata).CameraModel : null;
String bVal = b.Item.Metadata is ImageMetadata ? (b.Item.Metadata as ImageMetadata).CameraModel : null;
return(onEquals(Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.Lens:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
String aVal = a.Item.Metadata is ImageMetadata ? (a.Item.Metadata as ImageMetadata).Lens : null;
String bVal = b.Item.Metadata is ImageMetadata ? (b.Item.Metadata as ImageMetadata).Lens : null;
return(onEquals(Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.FocalLength:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <double> aVal = a.Item.Metadata is ImageMetadata ? (a.Item.Metadata as ImageMetadata).FocalLength : null;
Nullable <double> bVal = b.Item.Metadata is ImageMetadata ? (b.Item.Metadata as ImageMetadata).FocalLength : null;
return(onEquals(Nullable.Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.FNumber:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <double> aVal = a.Item.Metadata is ImageMetadata ? (a.Item.Metadata as ImageMetadata).FNumber : null;
Nullable <double> bVal = b.Item.Metadata is ImageMetadata ? (b.Item.Metadata as ImageMetadata).FNumber : null;
return(onEquals(Nullable.Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.ExposureTime:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <double> aVal = a.Item.Metadata is ImageMetadata ? (a.Item.Metadata as ImageMetadata).ExposureTime : null;
Nullable <double> bVal = b.Item.Metadata is ImageMetadata ? (b.Item.Metadata as ImageMetadata).ExposureTime : null;
return(onEquals(Nullable.Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.ISOSpeedRating:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <int> aVal = a.Item.Metadata is ImageMetadata ? (a.Item.Metadata as ImageMetadata).ISOSpeedRating : null;
Nullable <int> bVal = b.Item.Metadata is ImageMetadata ? (b.Item.Metadata as ImageMetadata).ISOSpeedRating : null;
return(onEquals(Nullable.Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.Genre:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
String aVal = a.Item.Metadata is AudioMetadata ? (a.Item.Metadata as AudioMetadata).Genre : null;
String bVal = b.Item.Metadata is AudioMetadata ? (b.Item.Metadata as AudioMetadata).Genre : null;
return(onEquals(Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.Album:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
String aVal = a.Item.Metadata is AudioMetadata ? (a.Item.Metadata as AudioMetadata).Album : null;
String bVal = b.Item.Metadata is AudioMetadata ? (b.Item.Metadata as AudioMetadata).Album : null;
return(onEquals(Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.Track:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <int> aVal = a.Item.Metadata is AudioMetadata ? (a.Item.Metadata as AudioMetadata).TrackNr : null;
Nullable <int> bVal = b.Item.Metadata is AudioMetadata ? (b.Item.Metadata as AudioMetadata).TrackNr : null;
return(onEquals(Nullable.Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.TotalTracks:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <int> aVal = a.Item.Metadata is AudioMetadata ? (a.Item.Metadata as AudioMetadata).TotalTracks : null;
Nullable <int> bVal = b.Item.Metadata is AudioMetadata ? (b.Item.Metadata as AudioMetadata).TotalTracks : null;
return(onEquals(Nullable.Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.Disc:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <int> aVal = a.Item.Metadata is AudioMetadata ? (a.Item.Metadata as AudioMetadata).DiscNr : null;
Nullable <int> bVal = b.Item.Metadata is AudioMetadata ? (b.Item.Metadata as AudioMetadata).DiscNr : null;
return(onEquals(Nullable.Compare(aVal, bVal), a, b));
});
break;
case MediaFileSortMode.TotalDiscs:
sortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>(
(a, b) =>
{
int result = hasMediaTest(a, b);
if (result != 0)
{
return(result);
}
Nullable <int> aVal = a.Item.Metadata is AudioMetadata ? (a.Item.Metadata as AudioMetadata).TotalDiscs : null;
Nullable <int> bVal = b.Item.Metadata is AudioMetadata ? (b.Item.Metadata as AudioMetadata).TotalDiscs : null;
return(onEquals(Nullable.Compare(aVal, bVal), a, b));
});
break;
default:
break;
}
Func <SelectableMediaItem, SelectableMediaItem, int> lockedSortFunc = new Func <SelectableMediaItem, SelectableMediaItem, int>((a, b) =>
{
a.Item.EnterReadLock();
b.Item.EnterReadLock();
try
{
return(sortFunc(a, b));
}
finally
{
b.Item.ExitReadLock();
a.Item.ExitReadLock();
}
});
return(lockedSortFunc);
}
/// <summary>インスタンスを初期化します。</summary>
/// <param name="order">ソート方向を表す <see cref="NaturalSortOrder"/>。</param>
/// <param name="options">比較方法を表す <see cref="NaturalComparerOptions"/>。</param>
public NaturalComparer(NaturalSortOrder order, NaturalComparerOptions options)
: this(order, NaturalComparerOptions.Default, new char[0])
{
}
private static int fileInfoComparer(FileInfo x, FileInfo y)
{
return(NaturalSortOrder.CompareNatural(x.Name, y.Name));
}
