public void setVariantsGridDataSource(Track track)
{
if (track == null)
{
_decodeForm.VariantsGrid.DataSource = null;
_decodeForm.VariantsGrid.Columns[(int)VariantGridColumn.Rate].HeaderCell.SortGlyphDirection = System.Windows.Forms.SortOrder.None;
return;
}
//keep user sort
Serializable.SortOrder sortOrder = Serializable.SortOrder.Descending;
if (_decodeForm.VariantsGrid.Columns[(int)VariantGridColumn.Rate].HeaderCell.SortGlyphDirection == System.Windows.Forms.SortOrder.Ascending)
{
sortOrder = Serializable.SortOrder.Ascending;
}
if (sortOrder != track.CurrentSort())
{
track.Sort(sortOrder);
}
_decodeForm.VariantsGrid.DataSource = track;
if (sortOrder == Serializable.SortOrder.Descending)
{
_decodeForm.VariantsGrid.Columns[(int)VariantGridColumn.Rate].HeaderCell.SortGlyphDirection = System.Windows.Forms.SortOrder.Descending;
}
else
{
_decodeForm.VariantsGrid.Columns[(int)VariantGridColumn.Rate].HeaderCell.SortGlyphDirection = System.Windows.Forms.SortOrder.Ascending;
}
//select de preferred variant.
selectCellInGrid(_decodeForm.VariantsGrid, track.GetPreferredVariantIndex(), 0);
_decodeForm.UpdateTxtBox();
}
private void init(byte[] variantBytes, int startPosition, int len)
{
sortOrder = Serializable.SortOrder.None;
preferredVariantIndex = -1;
preferredUserVariantIndex = -1;
trackBytes = null;
variants.Clear();
if (len > 0)
{
//copy track bytes adding a 0 add the beginning and another at the end
trackBytes = new byte[len + 2];
Array.Copy(variantBytes, startPosition, trackBytes, 1, len);
// calculate for two directions
variants.Add(new Variant(trackBytes, bpc, add)
{
track = trackId, direction = 0
});
variants.Add(new Variant(BitSolution.Reverse(trackBytes), bpc, add)
{
track = trackId, direction = 1
});
variants.Sort(new VariantComparer(SortOrder.Descending));
preferredUserVariantIndex = 0;
}
}
public void Sort(Serializable.SortOrder sortOrder)
{
if (this.sortOrder != sortOrder)
{
if (variants != null)
{
Variant preferredVariant = GetPreferredVariant();
variants.Sort(new VariantComparer(sortOrder));
//update preferred variant
if (preferredUserVariantIndex >= 0)
{
preferredUserVariantIndex = variants.IndexOf(preferredVariant);
}
else
{
preferredVariantIndex = variants.IndexOf(preferredVariant);
}
this.sortOrder = sortOrder;
}
}
}
public void deserialiseMetaData(byte[] buf, ref int index)
{
byte bpc;
byte add;
int startIndex = index;
int preferredVariantIndex;
int preferredUserVariantIndex;
Serializable.SortOrder sortOrder;
if (index + buf.Length < serialiseMetaDataSize())
{
throw new Exception("buffer to small");
}
/* read the settings */
bpc = (byte)buf[index++];
add = buf[index++];
// preferredDirection = (int)buf[index++];
preferredVariantIndex = (int)buf[index++];
preferredUserVariantIndex = (int)buf[index++];
sortOrder = (Serializable.SortOrder)buf[index++];
/* correct the int to byte conversion issue */
if ((preferredVariantIndex) == 0xff)
{
preferredVariantIndex = -1;
}
if ((preferredUserVariantIndex) == 0xff)
{
preferredUserVariantIndex = -1;
}
// if ((preferredDirection) == 0xff) preferredDirection = -1;
/* apply settings */
this.preferredVariantIndex = preferredVariantIndex;
this.preferredUserVariantIndex = preferredUserVariantIndex;
/* change bpc if required */
if (this.bpc != bpc || this.add != add)
{
ChangeGroupSettings(bpc, add);
}
Sort(sortOrder);
/* we have to apply this again according to Francis */
this.preferredVariantIndex = preferredVariantIndex;
this.preferredUserVariantIndex = preferredUserVariantIndex;
#if DEBUG
if (index - startIndex != serialiseMetaDataSize())
{
throw new Exception("serialiseSize is buggy (returning the wrong buffer size)");
}
#endif
}
/**
* protected constructor that must be only used to build serialized cards
*/
protected Track(int trackId, b serializedB)
{
this.trackId = trackId;
bpc = serializedB._bpc;
add = serializedB._add;
preferredVariantIndex = serializedB._pVI;
preferredUserVariantIndex = serializedB._pUVI;
trackBytes = serializedB._tB;
sortOrder = Serializable.SortOrder.None;
variants = null;
if (serializedB._aV.Count > 0)
{
// variants = new Variant[serializedB._aV.Length];
variants.Clear();
for (int i = 0; i < variants.Count; i++)
{
if (trackBytes != null)
{
int direction = 1;
if (i < (variants.Count / 2))
{
direction = 0;
}
variants[i] = new Variant(trackBytes, bpc, add)
{
direction = direction, track = trackId
};
}
else
{
variants[i] = null;
}
}
if (serializedB._sO != Serializable.SortOrder.None)
{
Sort(serializedB._sO);
//this must be done after sorting again!!
preferredVariantIndex = serializedB._pVI;
preferredUserVariantIndex = serializedB._pUVI;
}
//set user strings when sort order is correct
for (int i = 0; i < variants.Count; i++)
{
if ((serializedB._aV[i] != null) && (serializedB._aV[i]._uS != null))
{
SetTrack(new StringWithParity(serializedB._aV[i]._uS));
break;//there was only one user string.
}
}
}
}
public void ChangeGroupSettings(byte bpc, byte add)
{
this.bpc = bpc;
this.add = add;
Serializable.SortOrder sortOrder = this.sortOrder;
//remove 0 at the beginning and at the end.
init(trackBytes, 1, trackBytes.Length - 2);
if (sortOrder != Serializable.SortOrder.None)
{
Sort(sortOrder);
}
}
