if (img != null && !img.isDisposed())
img.dispose();
}
public void refresh(TableCell cell) {
PEPiece pePiece = (PEPiece) cell.getDataSource();
if (pePiece == null) {
cell.setSortValue(0);
dispose(cell);
cell.setGraphic(null);
return;
}
cell.setSortValue(pePiece.getNbWritten());
long lNumBlocks = pePiece.getNbBlocks();
int newWidth = cell.getWidth();
if (newWidth <= 0) {
dispose(cell);
cell.setGraphic(null);
return;
}
int newHeight = cell.getHeight();
int x1 = newWidth - 2;
int y1 = newHeight - 3;
if (x1 < 10 || y1 < 3) {
dispose(cell);
cell.setGraphic(null);
return;
}
Image image = new Image(SWTThread.getInstance().getDisplay(), newWidth,
newHeight);
Color color;
GC gcImage = new GC(image);
gcImage.setForeground(Colors.grey);
gcImage.drawRectangle(0, 0, x1 + 1, y1 + 1);
int blocksPerPixel = 0;
int iPixelsPerBlock = 0;
int pxRes = 0;
long pxBlockStep = 0;
int factor = 4;
while (iPixelsPerBlock <= 0) {
blocksPerPixel++;
iPixelsPerBlock = (int) ((x1 + 1) / (lNumBlocks / blocksPerPixel));
}
pxRes = (int) (x1 - ((lNumBlocks / blocksPerPixel) * iPixelsPerBlock)); // kolik mi zbyde
if (pxRes <= 0)
pxRes = 1;
pxBlockStep = (lNumBlocks * factor) / pxRes; // kolikaty blok na +1 k sirce
long addBlocks = (lNumBlocks * factor) / pxBlockStep;
if ((addBlocks * iPixelsPerBlock) > pxRes)
pxBlockStep += 1;
/* String msg = "iPixelsPerBlock = "+iPixelsPerBlock + ", blocksPerPixel = " + blocksPerPixel;
msg += ", pxRes = " + pxRes + ", pxBlockStep = " + pxBlockStep + ", addBlocks = " + addBlocks + ", x1 = " + x1;
Debug.out(msg);*/
TOTorrent torrent = pePiece.getManager().getDiskManager().getTorrent();
boolean[] written = pePiece.getDMPiece().getWritten();
boolean piece_written = pePiece.isWritten();
int drawnWidth = 0;
int blockStep = 0;
int pieceNumber = pePiece.getPieceNumber();
long[] offsets = new long[(int) lNumBlocks];
long[] lengths = (long[]) offsets.clone();
Arrays.fill(offsets,
(long) pePiece.getManager().getDiskManager().getPieceLength()
* (long) pieceNumber);
for (int i = 0; i < lNumBlocks; lengths[i] = pePiece.getBlockSize(i), offsets[i] += DiskManager.BLOCK_SIZE * i, i++)
;
boolean[] isCached = cacheStats == null ? null
: cacheStats.getBytesInCache(torrent, offsets, lengths);
for (int i = 0; i < lNumBlocks; i += blocksPerPixel) {
int nextWidth = iPixelsPerBlock;
blockStep += blocksPerPixel * factor;
if (blockStep >= pxBlockStep) { // pokud jsem prelezl dany pocet bloku, zvys tomuhle sirku
nextWidth += (int) (blockStep / pxBlockStep);
blockStep -= pxBlockStep;
}
if (i >= lNumBlocks - blocksPerPixel) { // pokud je posledni, at zasahuje az na konec
nextWidth = x1 - drawnWidth;
}
color = Colors.white;
if ((written == null && piece_written) || (written != null && written[i])) {
color = colors[COLOR_WRITTEN];
} else if (pePiece.isDownloaded(i)) {
color = colors[COLOR_DOWNLOADED];
} else if (pePiece.isRequested(i)) {
color = colors[COLOR_REQUESTED];
}
gcImage.setBackground(color);