PieceDistributionViewpublic class PieceDistributionView extends org.gudy.azureus2.ui.swt.views.AbstractIView
| Fields Summary |
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| private Composite | comp | | private Canvas | pieceDistCanvas | | private GC | pieceDistGC | | private org.gudy.azureus2.core3.download.DownloadManager | dlm | | private boolean | initialized |
| Constructors Summary |
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public PieceDistributionView()
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| Methods Summary |
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| private void | createPieceDistPanel()
comp.setLayout(new FillLayout());
//pieceDistComposite = new Composite(parent, SWT.NONE);
pieceDistCanvas = new Canvas(comp,SWT.NONE);
pieceDistGC = new GC(pieceDistCanvas);
| | public void | dataSourceChanged(java.lang.Object newDataSource)
if (newDataSource instanceof DownloadManager) {
dlm = (DownloadManager)newDataSource;
updateDistribution();
}
| | public void | delete()
if(!initialized)
return;
initialized = false;
Utils.disposeSWTObjects(new Object[] {pieceDistGC,pieceDistCanvas,comp});
super.delete();
| | public Composite | getComposite()
return comp;
| | public java.lang.String | getData()
return "PiecesView.DistributionView.title";
| | public void | initialize(Composite parent)
comp = new Composite(parent,SWT.NONE);
createPieceDistPanel();
initialized = true;
updateDistribution();
| | public void | refresh()
if(!initialized)
return;
updateDistribution();
super.refresh();
| | public void | updateDistribution()
if(!initialized || dlm == null || dlm.getPeerManager() == null || dlm.getPeerManager().getPiecePicker() == null)
return;
Rectangle rect = pieceDistCanvas.getBounds();
if(rect.height <= 0 || rect.width <= 0)
return;
PEPeerManager pm = dlm.getPeerManager();
PiecePicker picker = pm.getPiecePicker();
final int seeds = pm.getNbSeeds()+(pm.isSeeding()?1:0);
final int connected = pm.getNbPeers() + seeds + (pm.isSeeding()?0:1);
final int upperBound = 1+(1<<(int)Math.ceil(Math.log(connected+0.0)/Math.log(2.0)));
//System.out.println("conn:"+connected+" bound:"+upperBound);
final int minAvail = (int)picker.getMinAvailability();
final int maxAvail = picker.getMaxAvailability();
final int nbPieces = picker.getNumberOfPieces();
final int[] availabilties = picker.getAvailability();
final DiskManagerPiece[] dmPieces = dlm.getDiskManager().getPieces();
final PEPiece[] pePieces = dlm.getPeerManager().getPieces();
final int[] piecesPerAvailability = new int[upperBound];
final int[] ourPiecesPerAvailability = new int[upperBound];
final boolean[] downloading = new boolean[upperBound];
int avlPeak = 0;
int avlPeakIdx = -1;
for(int i=0;i<nbPieces;i++)
{
if(availabilties[i] >= upperBound)
return; // availability and peer lists are OOS, just wait for the next round
final int newPeak;
if(avlPeak < (newPeak = ++piecesPerAvailability[availabilties[i]]))
{
avlPeak = newPeak;
avlPeakIdx = availabilties[i];
}
if(dmPieces[i].isDone())
++ourPiecesPerAvailability[availabilties[i]];
if(pePieces[i] != null)
downloading[availabilties[i]] = true;
}
Image img = new Image(pieceDistGC.getDevice(),pieceDistCanvas.getBounds());
GC gc = new GC(img);
try
{
int stepWidthX = (int)Math.floor(rect.width/upperBound);
int barGap = 1;
int barWidth = stepWidthX-barGap-1;
int barFillingWidth = barWidth-1;
double stepWidthY = 1.0*(rect.height-1)/avlPeak;
int offsetY = rect.height;
gc.setForeground(Colors.green);
for(int i=0;i<=connected;i++)
{
Color curColor;
if(i==0)
curColor = Colors.colorError;
else if(i<=seeds)
curColor = Colors.green;
else
curColor = Colors.blues[Colors.BLUES_DARKEST];
gc.setBackground(curColor);
gc.setForeground(curColor);
if(piecesPerAvailability[i] == 0)
{
gc.setLineWidth(2);
gc.drawLine(stepWidthX*i, offsetY-1, stepWidthX*(i+1)-barGap, offsetY-1);
} else
{
gc.setLineWidth(1);
if(downloading[i])
gc.setLineStyle(SWT.LINE_DASH);
gc.fillRectangle(stepWidthX*i+1, offsetY-1, barFillingWidth, (int)(Math.ceil(stepWidthY*ourPiecesPerAvailability[i]-1)*-1));
gc.drawRectangle(stepWidthX*i, offsetY, barWidth, (int)(Math.ceil(stepWidthY*piecesPerAvailability[i])+1)*-1);
}
if(i==minAvail)
{
gc.setForeground(Colors.blue);
gc.drawRectangle(stepWidthX*i+1, offsetY-1, barWidth-2, (int)(Math.ceil(stepWidthY*piecesPerAvailability[i]-1))*-1);
}
gc.setLineStyle(SWT.LINE_SOLID);
}
gc.setLineWidth(1);
CoordinateTransform t = new CoordinateTransform(rect);
t.shiftExternal(rect.width,0);
t.scale(-1.0, 1.0);
String[] boxContent = new String[] {
MessageText.getString("PiecesView.DistributionView.NoAvl"),
MessageText.getString("PiecesView.DistributionView.SeedAvl"),
MessageText.getString("PiecesView.DistributionView.PeerAvl"),
MessageText.getString("PiecesView.DistributionView.RarestAvl",new String[] {piecesPerAvailability[minAvail]+"",minAvail+""}),
MessageText.getString("PiecesView.DistributionView.weHave"),
MessageText.getString("PiecesView.DistributionView.weDownload")
};
int charWidth = gc.getFontMetrics().getAverageCharWidth();
int charHeight = gc.getFontMetrics().getHeight();
int maxBoxOffsetY = charHeight+2;
int maxBoxWidth = 0;
int maxBoxOffsetX = 0;
for(int i=0;i<boxContent.length;i++)
maxBoxWidth = Math.max(maxBoxWidth, boxContent[i].length());
maxBoxOffsetX = (maxBoxWidth+5) * charWidth;
maxBoxWidth = ++maxBoxWidth * charWidth;
int boxNum = 1;
gc.setForeground(Colors.colorError);
gc.setBackground(Colors.background);
gc.drawRectangle(t.x(maxBoxOffsetX),t.y(maxBoxOffsetY*boxNum),maxBoxWidth,charHeight);
gc.drawString(boxContent[boxNum-1],t.x(maxBoxOffsetX-5),t.y(maxBoxOffsetY*boxNum),true);
boxNum++;
gc.setForeground(Colors.green);
gc.setBackground(Colors.background);
gc.drawRectangle(t.x(maxBoxOffsetX),t.y(maxBoxOffsetY*boxNum),maxBoxWidth,charHeight);
gc.drawString(boxContent[boxNum-1],t.x(maxBoxOffsetX-5),t.y(maxBoxOffsetY*boxNum),true);
boxNum++;
gc.setForeground(Colors.blues[Colors.BLUES_DARKEST]);
gc.drawRectangle(t.x(maxBoxOffsetX),t.y(maxBoxOffsetY*boxNum),maxBoxWidth,charHeight);
gc.drawString(boxContent[boxNum-1],t.x(maxBoxOffsetX-5),t.y(maxBoxOffsetY*boxNum),true);
boxNum++;
gc.setForeground(Colors.blue);
gc.drawRectangle(t.x(maxBoxOffsetX),t.y(maxBoxOffsetY*boxNum),maxBoxWidth,charHeight);
gc.drawString(boxContent[boxNum-1],t.x(maxBoxOffsetX-5),t.y(maxBoxOffsetY*boxNum),true);
boxNum++;
gc.setForeground(Colors.black);
gc.setBackground(Colors.black);
gc.drawRectangle(t.x(maxBoxOffsetX),t.y(maxBoxOffsetY*boxNum),maxBoxWidth,charHeight);
gc.fillRectangle(t.x(maxBoxOffsetX),t.y(maxBoxOffsetY*boxNum),maxBoxWidth/2,charHeight);
gc.setForeground(Colors.grey);
gc.setBackground(Colors.background);
gc.drawString(boxContent[boxNum-1],t.x(maxBoxOffsetX-5),t.y(maxBoxOffsetY*boxNum),true);
boxNum++;
gc.setForeground(Colors.black);
gc.setLineStyle(SWT.LINE_DASH);
gc.drawRectangle(t.x(maxBoxOffsetX),t.y(maxBoxOffsetY*boxNum),maxBoxWidth,charHeight);
gc.drawString(boxContent[boxNum-1],t.x(maxBoxOffsetX-5),t.y(maxBoxOffsetY*boxNum),true);
gc.setLineStyle(SWT.LINE_SOLID);
} finally
{
gc.dispose();
}
pieceDistGC.drawImage(img, 0, 0);
img.dispose();
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