DownloadTransferTableModel.java
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phex.gui.tabs.download |
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Phex |
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/*
* PHEX - The pure-java Gnutella-servent.
* Copyright (C) 2001 - 2008 Phex Development Group
*
* 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
*
* --- SVN Information ---
* $Id: DownloadTransferTableModel.java 4242 2008-08-03 17:03:04Z gregork $
*/
package phex.gui.tabs.download;
import java.awt.EventQueue;
import java.util.Comparator;
import javax.swing.event.TableModelEvent;
import org.apache.commons.collections.comparators.ComparableComparator;
import org.bushe.swing.event.annotation.EventTopicSubscriber;
import phex.common.format.NumberFormatUtils;
import phex.download.DownloadScopeList;
import phex.download.swarming.SWDownloadCandidate;
import phex.download.swarming.SWDownloadFile;
import phex.download.swarming.SWDownloadInfo;
import phex.download.swarming.SWDownloadSegment;
import phex.download.swarming.SWDownloadCandidate.CandidateStatus;
import phex.event.ContainerEvent;
import phex.event.PhexEventTopics;
import phex.gui.common.GUIRegistry;
import phex.gui.common.table.FWSortableTableModel;
import phex.gui.comparator.DestAddressComparator;
import phex.gui.comparator.ETAComparator;
import phex.gui.renderer.ETACellRenderer;
import phex.gui.renderer.HostAddressCellRenderer;
import phex.gui.renderer.ProgressCellRenderer;
import phex.servent.Servent;
import phex.utils.Localizer;
public class DownloadTransferTableModel extends FWSortableTableModel
{
public static final int HOST_MODEL_INDEX = 0;
public static final int VENDOR_MODEL_INDEX = 1;
public static final int FROM_MODEL_INDEX = 2;
public static final int TO_MODEL_INDEX = 3;
public static final int COMPLETED_MODEL_INDEX = 4;
public static final int SIZE_MODEL_INDEX = 5;
public static final int PROGRESS_MODEL_INDEX = 6;
public static final int RATE_MODEL_INDEX = 7;
public static final int ETA_MODEL_INDEX = 8;
public static final int STATUS_MODEL_INDEX = 9;
/**
* The unique column id is not allowed to ever change over Phex releases. It
* is used when serializing column information. The column id is containd in
* the identifier field of the TableColumn.
*/
public static final int HOST_COLUMN_ID = 1001;
public static final int VENDOR_COLUMN_ID = 1002;
public static final int FROM_COLUMN_ID = 1003;
public static final int TO_COLUMN_ID = 1004;
public static final int COMPLETED_COLUMN_ID = 1005;
public static final int SIZE_COLUMN_ID = 1006;
public static final int PROGRESS_COLUMN_ID = 1007;
public static final int RATE_COLUMN_ID = 1008;
public static final int ETA_COLUMN_ID = 1009;
public static final int STATUS_COLUMN_ID = 1010;
/**
* Column ids orderd according to its corresponding model index
*/
private static final Integer[] COLUMN_IDS = new Integer[]
{
HOST_COLUMN_ID,
VENDOR_COLUMN_ID,
FROM_COLUMN_ID,
TO_COLUMN_ID,
COMPLETED_COLUMN_ID,
SIZE_COLUMN_ID,
PROGRESS_COLUMN_ID,
RATE_COLUMN_ID,
ETA_COLUMN_ID,
STATUS_COLUMN_ID
};
private static String[] tableColumns;
private static Class[] tableClasses;
/**
* Initialize super tableColumns field
*/
static
{
tableColumns = new String[]
{
Localizer.getString( "DownloadTransfer_Host" ),
Localizer.getString( "DownloadTransfer_Vendor" ),
Localizer.getString( "DownloadTransfer_From" ),
Localizer.getString( "DownloadTransfer_To" ),
Localizer.getString( "DownloadTransfer_Completed" ),
Localizer.getString( "DownloadTransfer_Size" ),
Localizer.getString( "DownloadTransfer_Progress" ),
Localizer.getString( "DownloadTransfer_Rate" ),
Localizer.getString( "DownloadTransfer_ETA" ),
Localizer.getString( "DownloadTransfer_Status" )
};
tableClasses = new Class[]
{
HostAddressCellRenderer.class, // host
String.class, // vendor
String.class, // from
String.class, // to
String.class, // completed
String.class, // size
ProgressCellRenderer.class, // progress
String.class, // rate
ETACellRenderer.class, // eta
String.class // status
};
}
/**
* The currently displayed download file of the model.
*/
private SWDownloadFile downloadFile;
/**
* @param downloadTable The constructor takes the download JTable. This is
* necessary to get informed of the selection changes of the download table.
*/
public DownloadTransferTableModel( )
{
super( COLUMN_IDS, tableColumns, tableClasses );
GUIRegistry.getInstance().getServent().getEventService().processAnnotations( this );
}
public void updateDownloadFile( SWDownloadFile file )
{
if ( downloadFile == file )
{
return;
}
downloadFile = file;
fireTableDataChanged( );
}
public int getRowCount()
{
if ( downloadFile == null )
{
return 0;
}
return downloadFile.getTransferCandidateCount();
}
public Object getValueAt( int row, int column )
{
SWDownloadCandidate candidate = downloadFile.getTransferCandidate( row );
if ( candidate == null )
{
return null;
}
SWDownloadSegment segment;
switch( column )
{
case HOST_MODEL_INDEX:
return candidate.getHostAddress();
case VENDOR_MODEL_INDEX:
return candidate.getVendor();
case FROM_MODEL_INDEX:
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return NumberFormatUtils.formatNumber( segment.getStart() );
case TO_MODEL_INDEX:
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return NumberFormatUtils.formatNumber( segment.getEnd() );
case COMPLETED_MODEL_INDEX:
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return NumberFormatUtils.formatFullByteSize( segment.getTransferredDataSize() );
case SIZE_MODEL_INDEX:
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return NumberFormatUtils.formatFullByteSize( segment.getTotalDataSize() );
case PROGRESS_MODEL_INDEX:
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return segment.getProgress();
case RATE_MODEL_INDEX:
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return NumberFormatUtils.formatSignificantByteSize(
segment.getTransferSpeed() ) + Localizer.getString( "PerSec" );
case ETA_MODEL_INDEX:
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return segment;
case STATUS_MODEL_INDEX:
return SWDownloadInfo.getDownloadCandidateStatusString( candidate );
default:
return null;
}
}
/**
* Returns the most comparator that is used for sorting of the cell values
* in the column. This is used by the FWSortedTableModel to perform the
* sorting. If not overwritten the method returns null causing the
* FWSortedTableModel to use a NaturalComparator. It expects all Objects that
* are returned from getComparableValueAt() to implement the Comparable interface.
*/
@Override
public Comparator<?> getColumnComparator( int column )
{
switch( column )
{
case HOST_MODEL_INDEX:
return new DestAddressComparator();
case PROGRESS_MODEL_INDEX:
return ComparableComparator.getInstance();
case ETA_MODEL_INDEX:
return new ETAComparator();
// for all other columns use default comparator
default:
return null;
}
}
/**
* Returns an attribute value that is used for comparing on sorting
* for the cell at row and column. If not overwritten the call is forwarded
* to getValueAt().
* The returned Object is compared via the Comparator returned from
* getColumnComparator(). If no comparator is specified the returned Object
* must implement the Comparable interface.
*/
@Override
public Object getComparableValueAt( int row, int column )
{
SWDownloadCandidate candidate = downloadFile.getTransferCandidate( row );
if ( candidate == null )
{
return null;
}
SWDownloadSegment segment;
switch( column )
{
case FROM_MODEL_INDEX:
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return Long.valueOf( segment.getStart() );
case TO_MODEL_INDEX:
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return Long.valueOf( segment.getEnd() );
case SIZE_MODEL_INDEX:
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return Long.valueOf( segment.getTotalDataSize() );
case PROGRESS_MODEL_INDEX:
{
DownloadScopeList availableScopeList = candidate.getAvailableScopeList();
if ( availableScopeList == null )
{
return null;
}
return Long.valueOf( availableScopeList.getAggregatedLength() );
}
case STATUS_MODEL_INDEX:
CandidateStatus status = candidate.getStatus();
if ( status ==
CandidateStatus.REMOTLY_QUEUED )
{
int queuePosition = candidate.getXQueueParameters().getPosition();
Double doubObj = Double.valueOf( status.ordinal() + 1.0 -
Math.min( (double)queuePosition, (double)10000 ) / 10000.0 );
return doubObj;
}
else
{
long timeLeft = candidate.getStatusTimeLeft();
return Double.valueOf( status.ordinal() +
timeLeft / 1000000.0 );
}
case RATE_MODEL_INDEX:
{
segment = candidate.getDownloadSegment();
if ( segment == null )
{
return null;
}
return Long.valueOf( segment.getTransferSpeed() );
}
case ETA_MODEL_INDEX:
{
segment = candidate.getDownloadSegment();
return segment;
}
}
return getValueAt( row, column );
}
/**
* Indicates if a column is hideable.
*/
@Override
public boolean isColumnHideable( int columnIndex )
{
if ( columnIndex == HOST_MODEL_INDEX )
{
return false;
}
return true;
}
@EventTopicSubscriber(topic=PhexEventTopics.Download_Candidate)
public void onDownloadCandidateEvent( String topic,
final ContainerEvent event )
{
if ( downloadFile != ((SWDownloadCandidate)event.getSource()).getDownloadFile() )
{
return;
}
EventQueue.invokeLater( new Runnable() {
public void run()
{
int position = event.getPosition();
if ( event.getType() == ContainerEvent.Type.ADDED )
{
fireTableChanged( new TableModelEvent(DownloadTransferTableModel.this,
position, position, TableModelEvent.ALL_COLUMNS,
TableModelEvent.INSERT ) );
}
else if ( event.getType() == ContainerEvent.Type.REMOVED )
{
fireTableChanged( new TableModelEvent(DownloadTransferTableModel.this,
position, position, TableModelEvent.ALL_COLUMNS,
TableModelEvent.DELETE ) );
}
}
});
}
}
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