/**
* Copyright (C) 2007 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 63.529,40 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package org.gudy.azureus2.ui.swt.views.piece;
import java.util.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.disk.DiskManager;
import org.gudy.azureus2.core3.disk.DiskManagerPiece;
import org.gudy.azureus2.core3.download.DownloadManager;
import org.gudy.azureus2.core3.download.DownloadManagerPeerListener;
import org.gudy.azureus2.core3.internat.MessageText;
import org.gudy.azureus2.core3.logging.LogEvent;
import org.gudy.azureus2.core3.logging.LogIDs;
import org.gudy.azureus2.core3.logging.Logger;
import org.gudy.azureus2.core3.peer.PEPeer;
import org.gudy.azureus2.core3.peer.PEPeerManager;
import org.gudy.azureus2.core3.peer.PEPiece;
import org.gudy.azureus2.core3.util.AERunnable;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.ui.swt.Utils;
import org.gudy.azureus2.ui.swt.components.Legend;
import org.gudy.azureus2.ui.swt.debug.ObfusticateImage;
import org.gudy.azureus2.ui.swt.debug.UIDebugGenerator;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
import org.gudy.azureus2.ui.swt.views.AbstractIView;
/**
* @author TuxPaper
* @created Feb 26, 2007
*
*/
public class PieceInfoView
extends AbstractIView
implements ObfusticateImage, DownloadManagerPeerListener
{
private final static int BLOCK_FILLSIZE = 14;
private final static int BLOCK_SPACING = 3;
private final static int BLOCK_SIZE = BLOCK_FILLSIZE + BLOCK_SPACING;
private final static int BLOCKCOLOR_HAVE = 0;
private final static int BLOCKCOLORL_NOHAVE = 1;
private final static int BLOCKCOLOR_TRANSFER = 2;
private final static int BLOCKCOLOR_NEXT = 3;
private final static int BLOCKCOLOR_AVAILCOUNT = 4;
private Composite pieceInfoComposite;
private ScrolledComposite sc;
protected Canvas pieceInfoCanvas;
private Color[] blockColors;
private Label topLabel;
private Label imageLabel;
// More delay for this view because of high workload
private int graphicsUpdate = COConfigurationManager.getIntParameter("Graphics Update") * 2;
private int loopFactor = 0;
private Font font = null;
Image img = null;
private Comparator compFindPEPiece;
private DownloadManager dlm;
/**
* Initialize
*
*/
public PieceInfoView() {
blockColors = new Color[] {
Colors.blues[Colors.BLUES_DARKEST],
Colors.white,
Colors.red,
Colors.fadedRed,
Colors.black
};
compFindPEPiece = new Comparator() {
public int compare(Object arg0, Object arg1) {
int arg0no = (arg0 instanceof PEPiece)
? ((PEPiece) arg0).getPieceNumber() : ((Long) arg0).intValue();
int arg1no = (arg1 instanceof PEPiece)
? ((PEPiece) arg1).getPieceNumber() : ((Long) arg1).intValue();
return arg1no - arg0no;
}
};
}
public void dataSourceChanged(Object newDataSource) {
if (newDataSource instanceof DownloadManager) {
if (dlm != null) {
dlm.removePeerListener(this);
}
dlm = (DownloadManager)newDataSource;
dlm.addPeerListener(this, false);
fillPieceInfoSection();
}
}
/* (non-Javadoc)
* @see org.gudy.azureus2.ui.swt.views.AbstractIView#getData()
*/
public String getData() {
return "PeersView.BlockView.title";
}
/* (non-Javadoc)
* @see org.gudy.azureus2.ui.swt.views.AbstractIView#initialize(org.eclipse.swt.widgets.Composite)
*/
public void initialize(Composite composite) {
if (pieceInfoComposite != null && !pieceInfoComposite.isDisposed()) {
Logger.log(new LogEvent(LogIDs.GUI, LogEvent.LT_ERROR,
"PeerInfoView already initialized! Stack: "
+ Debug.getStackTrace(true, false)));
delete();
}
createPeerInfoPanel(composite);
fillPieceInfoSection();
}
private Composite createPeerInfoPanel(Composite parent) {
GridLayout layout;
GridData gridData;
// Peer Info section contains
// - Peer's Block display
// - Peer's Datarate
pieceInfoComposite = new Composite(parent, SWT.NONE);
layout = new GridLayout();
layout.numColumns = 2;
layout.horizontalSpacing = 0;
layout.verticalSpacing = 0;
layout.marginHeight = 0;
layout.marginWidth = 0;
pieceInfoComposite.setLayout(layout);
gridData = new GridData(GridData.FILL, GridData.FILL, true, true);
pieceInfoComposite.setLayoutData(gridData);
imageLabel = new Label(pieceInfoComposite, SWT.NULL);
gridData = new GridData();
imageLabel.setLayoutData(gridData);
topLabel = new Label(pieceInfoComposite, SWT.NULL);
gridData = new GridData(SWT.FILL, SWT.DEFAULT, false, false);
topLabel.setLayoutData(gridData);
sc = new ScrolledComposite(pieceInfoComposite, SWT.V_SCROLL);
sc.setExpandHorizontal(true);
sc.setExpandVertical(true);
layout = new GridLayout();
layout.horizontalSpacing = 0;
layout.verticalSpacing = 0;
layout.marginHeight = 0;
layout.marginWidth = 0;
sc.setLayout(layout);
gridData = new GridData(GridData.FILL, GridData.FILL, true, true, 2, 1);
sc.setLayoutData(gridData);
sc.getVerticalBar().setIncrement(BLOCK_SIZE);
pieceInfoCanvas = new Canvas(sc, SWT.NO_REDRAW_RESIZE | SWT.NO_BACKGROUND);
gridData = new GridData(GridData.FILL, SWT.DEFAULT, true, false);
pieceInfoCanvas.setLayoutData(gridData);
pieceInfoCanvas.addPaintListener(new PaintListener() {
public void paintControl(PaintEvent e) {
if (e.width <= 0 || e.height <= 0)
return;
try {
Rectangle bounds = (img == null) ? null : img.getBounds();
if (bounds == null) {
e.gc.fillRectangle(e.x, e.y, e.width, e.height);
} else {
if (e.x + e.width > bounds.width)
e.gc.fillRectangle(bounds.width, e.y, e.x + e.width
- bounds.width + 1, e.height);
if (e.y + e.height > bounds.height)
e.gc.fillRectangle(e.x, bounds.height, e.width, e.y + e.height
- bounds.height + 1);
int width = Math.min(e.width, bounds.width - e.x);
int height = Math.min(e.height, bounds.height - e.y);
e.gc.drawImage(img, e.x, e.y, width, height, e.x, e.y, width,
height);
}
} catch (Exception ex) {
}
}
});
Listener doNothingListener = new Listener() {
public void handleEvent(Event event) {
}
};
pieceInfoCanvas.addListener(SWT.KeyDown, doNothingListener);
pieceInfoCanvas.addListener(SWT.Resize, new Listener() {
public void handleEvent(Event e) {
// wrap in asyncexec because sc.setMinWidth (called later) doesn't work
// too well inside a resize (the canvas won't size isn't always updated)
e.widget.getDisplay().asyncExec(new AERunnable() {
public void runSupport() {
if (img != null) {
int iOldColCount = img.getBounds().width / BLOCK_SIZE;
int iNewColCount = pieceInfoCanvas.getClientArea().width
/ BLOCK_SIZE;
if (iOldColCount != iNewColCount)
refreshInfoCanvas();
}
}
});
}
});
sc.setContent(pieceInfoCanvas);
Legend.createLegendComposite(pieceInfoComposite,
blockColors, new String[] {
"PiecesView.BlockView.Have",
"PiecesView.BlockView.NoHave",
"PeersView.BlockView.Transfer",
"PeersView.BlockView.NextRequest",
"PeersView.BlockView.AvailCount"
}, new GridData(SWT.FILL, SWT.DEFAULT, true, false, 2, 1));
int iFontPixelsHeight = 10;
int iFontPointHeight = (iFontPixelsHeight * 72)
/ pieceInfoCanvas.getDisplay().getDPI().y;
Font f = pieceInfoCanvas.getFont();
FontData[] fontData = f.getFontData();
fontData[0].setHeight(iFontPointHeight);
font = new Font(pieceInfoCanvas.getDisplay(), fontData);
return pieceInfoComposite;
}
private boolean alreadyFilling = false;
public void fillPieceInfoSection() {
if (alreadyFilling) {
return;
}
alreadyFilling = true;
Utils.execSWTThread(new AERunnable() {
// @see org.gudy.azureus2.core3.util.AERunnable#runSupport()
public void runSupport() {
try {
if (imageLabel == null || imageLabel.isDisposed()) {
return;
}
if (imageLabel.getImage() != null) {
Image image = imageLabel.getImage();
imageLabel.setImage(null);
image.dispose();
}
refreshInfoCanvas();
} finally {
alreadyFilling = false;
}
}
});
}
public void refresh() {
super.refresh();
if (loopFactor++ % graphicsUpdate == 0) {
refreshInfoCanvas();
}
}
protected void refreshInfoCanvas() {
pieceInfoCanvas.layout(true);
Rectangle bounds = pieceInfoCanvas.getClientArea();
if (bounds.width <= 0 || bounds.height <= 0) {
topLabel.setText("");
return;
}
if (img != null && !img.isDisposed()) {
img.dispose();
img = null;
}
if (dlm == null) {
GC gc = new GC(pieceInfoCanvas);
gc.fillRectangle(bounds);
gc.dispose();
topLabel.setText("");
return;
}
DiskManagerPiece[] dm_pieces = null;
PEPeerManager pm = dlm.getPeerManager();
DiskManager dm = dlm.getDiskManager();
if (pm == null || dm == null) {
GC gc = new GC(pieceInfoCanvas);
gc.fillRectangle(bounds);
gc.dispose();
topLabel.setText("");
return;
}
dm_pieces = dm.getPieces();
PEPiece[] currentDLPieces = dlm.getCurrentPieces();
Arrays.sort(currentDLPieces, compFindPEPiece);
// find upload pieces
ArrayList currentULPieces = new ArrayList();
ArrayList futureULPieces = new ArrayList();
PEPeer[] peers = (PEPeer[]) pm.getPeers().toArray(new PEPeer[0]);
for (int i = 0; i < peers.length; i++) {
PEPeer peer = peers[i];
int[] peerRequestedPieces = peer.getIncomingRequestedPieceNumbers();
if (peerRequestedPieces != null && peerRequestedPieces.length > 0) {
currentULPieces.add(new Long(peerRequestedPieces[0]));
for (int j = 1; j < peerRequestedPieces.length; j++) {
futureULPieces.add(new Long(peerRequestedPieces[j]));
}
}
// we'll have duplicates
Collections.sort(currentULPieces);
Collections.sort(futureULPieces);
}
int iNumCols = bounds.width / BLOCK_SIZE;
int iNeededHeight = (((dm.getNbPieces() - 1) / iNumCols) + 1) * BLOCK_SIZE;
if (sc.getMinHeight() != iNeededHeight) {
sc.setMinHeight(iNeededHeight);
sc.layout(true, true);
bounds = pieceInfoCanvas.getClientArea();
}
int[] availability = pm.getAvailability();
int minAvailability = Integer.MAX_VALUE;
int minAvailability2 = Integer.MAX_VALUE;
if (availability != null && availability.length > 0) {
for (int i = 0; i < availability.length; i++) {
if (availability[i] != 0 && availability[i] < minAvailability) {
minAvailability2 = minAvailability;
minAvailability = availability[i];
if (minAvailability == 1) {
break;
}
}
}
}
img = new Image(pieceInfoCanvas.getDisplay(), bounds.width, iNeededHeight);
GC gcImg = new GC(img);
int iRow = 0;
try {
gcImg.setBackground(pieceInfoCanvas.getBackground());
gcImg.fillRectangle(0, 0, bounds.width, iNeededHeight);
int iCol = 0;
for (int i = 0; i < dm_pieces.length; i++) {
if (iCol >= iNumCols) {
iCol = 0;
iRow++;
}
int colorIndex;
boolean done = (dm_pieces == null) ? false : dm_pieces[i].isDone();
int iXPos = iCol * BLOCK_SIZE + 1;
int iYPos = iRow * BLOCK_SIZE + 1;
if (done) {
colorIndex = BLOCKCOLOR_HAVE;
gcImg.setBackground(blockColors[colorIndex]);
gcImg.fillRectangle(iXPos, iYPos, BLOCK_FILLSIZE, BLOCK_FILLSIZE);
} else {
// !done
boolean partiallyDone = (dm_pieces == null) ? false
: dm_pieces[i].getNbWritten() > 0;
int x = iXPos;
int width = BLOCK_FILLSIZE;
if (partiallyDone) {
colorIndex = BLOCKCOLOR_HAVE;
gcImg.setBackground(blockColors[colorIndex]);
int iNewWidth = (int) (((float) dm_pieces[i].getNbWritten() / dm_pieces[i].getNbBlocks()) * width);
if (iNewWidth >= width)
iNewWidth = width - 1;
else if (iNewWidth <= 0)
iNewWidth = 1;
gcImg.fillRectangle(x, iYPos, iNewWidth, BLOCK_FILLSIZE);
width -= iNewWidth;
x += iNewWidth;
}
colorIndex = BLOCKCOLORL_NOHAVE;
gcImg.setBackground(blockColors[colorIndex]);
gcImg.fillRectangle(x, iYPos, width, BLOCK_FILLSIZE);
}
if (Arrays.binarySearch(currentDLPieces, new Long(i), compFindPEPiece) >= 0) {
drawDownloadIndicator(gcImg, iXPos, iYPos, false);
}
if (Collections.binarySearch(currentULPieces, new Long(i)) >= 0) {
drawUploadIndicator(gcImg, iXPos, iYPos, false);
} else if (Collections.binarySearch(futureULPieces, new Long(i)) >= 0) {
drawUploadIndicator(gcImg, iXPos, iYPos, true);
}
if (availability != null) {
if (minAvailability == availability[i]) {
gcImg.setForeground(blockColors[BLOCKCOLOR_AVAILCOUNT]);
gcImg.drawRectangle(iXPos - 1, iYPos - 1, BLOCK_FILLSIZE + 1,
BLOCK_FILLSIZE + 1);
}
if (minAvailability2 == availability[i]) {
gcImg.setLineStyle(SWT.LINE_DOT);
gcImg.setForeground(blockColors[BLOCKCOLOR_AVAILCOUNT]);
gcImg.drawRectangle(iXPos - 1, iYPos - 1, BLOCK_FILLSIZE + 1,
BLOCK_FILLSIZE + 1);
gcImg.setLineStyle(SWT.LINE_SOLID);
}
gcImg.setFont(font);
String sNumber = String.valueOf(availability[i]);
Point size = gcImg.stringExtent(sNumber);
if (availability[i] < 100) {
int x = iXPos + (BLOCK_FILLSIZE / 2) - (size.x / 2);
int y = iYPos + (BLOCK_FILLSIZE / 2) - (size.y / 2);
gcImg.setForeground(blockColors[BLOCKCOLOR_AVAILCOUNT]);
gcImg.drawText(sNumber, x, y, true);
}
}
iCol++;
}
} catch (Exception e) {
Logger.log(new LogEvent(LogIDs.GUI, "drawing piece map", e));
} finally {
gcImg.dispose();
}
topLabel.setText(MessageText.getString("PiecesView.BlockView.Header",
new String[] {
"" + iNumCols,
"" + (iRow + 1),
"" + dm_pieces.length
}));
pieceInfoCanvas.redraw();
}
private void drawDownloadIndicator(GC gcImg, int iXPos, int iYPos,
boolean small) {
if (small) {
gcImg.setBackground(blockColors[BLOCKCOLOR_NEXT]);
gcImg.fillPolygon(new int[] {
iXPos + 2,
iYPos + 2,
iXPos + BLOCK_FILLSIZE - 1,
iYPos + 2,
iXPos + (BLOCK_FILLSIZE / 2),
iYPos + BLOCK_FILLSIZE - 1
});
} else {
gcImg.setBackground(blockColors[BLOCKCOLOR_TRANSFER]);
gcImg.fillPolygon(new int[] {
iXPos,
iYPos,
iXPos + BLOCK_FILLSIZE,
iYPos,
iXPos + (BLOCK_FILLSIZE / 2),
iYPos + BLOCK_FILLSIZE
});
}
}
private void drawUploadIndicator(GC gcImg, int iXPos, int iYPos, boolean small) {
if (!small) {
gcImg.setBackground(blockColors[BLOCKCOLOR_TRANSFER]);
gcImg.fillPolygon(new int[] {
iXPos,
iYPos + BLOCK_FILLSIZE,
iXPos + BLOCK_FILLSIZE,
iYPos + BLOCK_FILLSIZE,
iXPos + (BLOCK_FILLSIZE / 2),
iYPos
});
} else {
// Small Up Arrow each upload request
gcImg.setBackground(blockColors[BLOCKCOLOR_NEXT]);
gcImg.fillPolygon(new int[] {
iXPos + 1,
iYPos + BLOCK_FILLSIZE - 2,
iXPos + BLOCK_FILLSIZE - 2,
iYPos + BLOCK_FILLSIZE - 2,
iXPos + (BLOCK_FILLSIZE / 2),
iYPos + 2
});
}
}
/* (non-Javadoc)
* @see org.gudy.azureus2.ui.swt.views.AbstractIView#getComposite()
*/
public Composite getComposite() {
return pieceInfoComposite;
}
/* (non-Javadoc)
* @see org.gudy.azureus2.ui.swt.views.AbstractIView#delete()
*/
public void delete() {
if (imageLabel != null && !imageLabel.isDisposed()
&& imageLabel.getImage() != null) {
Image image = imageLabel.getImage();
imageLabel.setImage(null);
image.dispose();
}
if (img != null && !img.isDisposed()) {
img.dispose();
img = null;
}
if (font != null && !font.isDisposed()) {
font.dispose();
font = null;
}
super.delete();
}
public Image obfusticatedImage(Image image, Point shellOffset) {
UIDebugGenerator.obfusticateArea(image, topLabel, shellOffset, "");
return image;
}
// @see org.gudy.azureus2.core3.download.DownloadManagerPeerListener#peerAdded(org.gudy.azureus2.core3.peer.PEPeer)
public void peerAdded(PEPeer peer) {
}
public void peerManagerWillBeAdded( PEPeerManager peer_manager ){}
// @see org.gudy.azureus2.core3.download.DownloadManagerPeerListener#peerManagerAdded(org.gudy.azureus2.core3.peer.PEPeerManager)
public void peerManagerAdded(PEPeerManager manager) {
}
// @see org.gudy.azureus2.core3.download.DownloadManagerPeerListener#peerManagerRemoved(org.gudy.azureus2.core3.peer.PEPeerManager)
public void peerManagerRemoved(PEPeerManager manager) {
}
// @see org.gudy.azureus2.core3.download.DownloadManagerPeerListener#peerRemoved(org.gudy.azureus2.core3.peer.PEPeer)
public void peerRemoved(PEPeer peer) {
}
// @see org.gudy.azureus2.core3.download.DownloadManagerPeerListener#pieceAdded(org.gudy.azureus2.core3.peer.PEPiece)
public void pieceAdded(PEPiece piece) {
fillPieceInfoSection();
}
// @see org.gudy.azureus2.core3.download.DownloadManagerPeerListener#pieceRemoved(org.gudy.azureus2.core3.peer.PEPiece)
public void pieceRemoved(PEPiece piece) {
fillPieceInfoSection();
}
}
|
