/*
* File : CompletionItem.java
* Created : 24 nov. 2003
* By : Olivier
*
* Copyright (C) 2004, 2005, 2006 Aelitis SAS, 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.
*
* 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 ( see the LICENSE file ).
*
* 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 46,603.30 euros,
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*/
package org.gudy.azureus2.ui.swt.views.tableitems.files;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.gudy.azureus2.core3.disk.DiskManager;
import org.gudy.azureus2.core3.disk.DiskManagerFileInfo;
import org.gudy.azureus2.core3.disk.DiskManagerPiece;
import org.gudy.azureus2.core3.download.DownloadManager;
import org.gudy.azureus2.core3.peer.PEPeerManager;
import org.gudy.azureus2.core3.peer.PEPiece;
import org.gudy.azureus2.core3.util.SystemTime;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
import org.gudy.azureus2.ui.swt.mainwindow.SWTThread;
import org.gudy.azureus2.ui.swt.plugins.UISWTGraphic;
import org.gudy.azureus2.ui.swt.pluginsimpl.UISWTGraphicImpl;
import org.gudy.azureus2.ui.swt.views.table.TableCellSWT;
import org.gudy.azureus2.ui.swt.views.table.utils.CoreTableColumn;
import org.gudy.azureus2.plugins.ui.Graphic;
import org.gudy.azureus2.plugins.ui.tables.*;
/** Torrent Completion Level Graphic Cell for My Torrents.
*
* @author Olivier
* @author TuxPaper (2004/Apr/17: modified to TableCellAdapter)
*/
public class ProgressGraphItem
extends CoreTableColumn
implements TableCellAddedListener
{
private static final int borderWidth = 1;
/** Default Constructor */
public ProgressGraphItem() {
super("pieces", TableManager.TABLE_TORRENT_FILES);
initializeAsGraphic(POSITION_LAST, 200);
setMinWidth(100);
}
public void cellAdded(TableCell cell) {
new Cell(cell);
}
private class Cell
implements TableCellRefreshListener, TableCellDisposeListener
{
int lastPercentDone = 0;
private long last_draw_time = SystemTime.getCurrentTime();
private boolean bNoRed = false;
private boolean was_running = false;
public Cell(TableCell cell) {
cell.setFillCell(true);
cell.addListeners(this);
}
public void dispose(TableCell cell) {
Graphic graphic = cell.getGraphic();
if (graphic instanceof UISWTGraphic) {
final Image img = ((UISWTGraphic)graphic).getImage();
if (img != null && !img.isDisposed())
img.dispose();
}
}
public void refresh(TableCell cell) {
final DiskManagerFileInfo fileInfo = (DiskManagerFileInfo)cell.getDataSource();
int percentDone = 0;
if (fileInfo != null && fileInfo.getLength() != 0)
percentDone = (int)((1000 * fileInfo.getDownloaded()) / fileInfo.getLength());
cell.setSortValue(percentDone);
//Compute bounds ...
int newWidth = cell.getWidth();
if (newWidth <= 0) {
return;
}
final int newHeight = cell.getHeight();
final int x1 = newWidth - borderWidth - 1;
final int y1 = newHeight - borderWidth - 1;
if (x1 < 10 || y1 < 3) {
return;
}
final DiskManager manager = fileInfo.getDiskManager();
// we want to run through the image part once one the transition from with a disk manager (running)
// to without a disk manager (stopped) in order to clear the pieces view
boolean running = manager != null;
final boolean bImageBufferValid = (lastPercentDone == percentDone) &&
cell.isValid() && bNoRed && running == was_running;
if (bImageBufferValid) {
return;
}
was_running = running;
lastPercentDone = percentDone;
Image piecesImage = null;
Graphic graphic = cell.getGraphic();
if (graphic instanceof UISWTGraphic) {
piecesImage = ((UISWTGraphic)graphic).getImage();
}
if (piecesImage != null && !piecesImage.isDisposed())
piecesImage.dispose();
piecesImage = new Image(SWTThread.getInstance().getDisplay(),
newWidth, newHeight);
final GC gcImage = new GC(piecesImage);
// dm may be null if this is a skeleton file view
DownloadManager download_manager = fileInfo.getDownloadManager();
PEPeerManager peer_manager = download_manager==null?null:download_manager.getPeerManager();
PEPiece[] pe_pieces = peer_manager==null?null:peer_manager.getPieces();
final long now =SystemTime.getCurrentTime();
if (fileInfo != null && manager != null ) {
if (percentDone == 1000) {
gcImage.setForeground(Colors.blues[Colors.BLUES_DARKEST]);
gcImage.setBackground(Colors.blues[Colors.BLUES_DARKEST]);
gcImage.fillRectangle(1, 1, newWidth - 2, newHeight - 2);
} else {
final int firstPiece = fileInfo.getFirstPieceNumber();
final int nbPieces = fileInfo.getNbPieces();
final DiskManagerPiece[] dm_pieces = manager.getPieces();
bNoRed = true;
for (int i = 0; i < newWidth; i++) {
final int a0 = (i * nbPieces) / newWidth;
int a1 = ((i + 1) * nbPieces) / newWidth;
if (a1 == a0)
a1++;
if (a1 > nbPieces && nbPieces != 0)
a1 = nbPieces;
int nbAvailable = 0;
boolean written = false;
boolean partially_written = false;
if (firstPiece >= 0) {
for (int j = a0; j < a1; j++){
final int this_index = j+firstPiece;
final DiskManagerPiece dm_piece = dm_pieces[this_index];
if (dm_piece.isDone()) {
nbAvailable++;
}
if (written){
continue;
}
if ( pe_pieces != null ){
PEPiece pe_piece = pe_pieces[this_index];
if ( pe_piece != null ){
written = written || (pe_piece.getLastDownloadTime(now) + 500) > last_draw_time;
}
}
if ((!written) && (!partially_written)) {
final boolean[] blocks = dm_piece.getWritten();
if ( blocks != null ) {
for (int k = 0; k < blocks.length; k++){
if (blocks[k]){
partially_written = true;
break;
}
}
}
}
} // for j
} else {
nbAvailable = 1;
}
gcImage.setBackground(written ? Colors.red
: partially_written ? Colors.grey
: Colors.blues[(nbAvailable * Colors.BLUES_DARKEST) / (a1 - a0)]);
gcImage.fillRectangle(i, 1, 1, newHeight - 2);
if (written)
bNoRed = false;
}
gcImage.setForeground(Colors.grey);
}
} else {
gcImage.setForeground(Colors.grey);
}
if ( manager != null ){
gcImage.drawRectangle(0, 0, newWidth - 1, newHeight - 1);
}
gcImage.dispose();
last_draw_time =now;
if (cell instanceof TableCellSWT) {
((TableCellSWT)cell).setGraphic(piecesImage);
} else {
cell.setGraphic(new UISWTGraphicImpl(piecesImage));
}
}
}
}