Java tutorial
/* * PHEX - The pure-java Gnutella-servent. * Copyright (C) 2001 - 2007 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: UploadFilesTableModel.java 4412 2009-03-22 13:40:44Z ArneBab $ */ package phex.gui.tabs.upload; 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.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.TransferSizeComparator; import phex.gui.renderer.ETACellRenderer; import phex.gui.renderer.HostAddressCellRenderer; import phex.gui.renderer.ProgressCellRenderer; import phex.gui.renderer.TransferSizeCellRenderer; import phex.servent.Servent; import phex.upload.UploadManager; import phex.upload.UploadState; import phex.utils.Localizer; public class UploadFilesTableModel extends FWSortableTableModel { public static final int HOST_MODEL_INDEX = 0; public static final int VENDOR_MODEL_INDEX = 1; public static final int FILE_MODEL_INDEX = 2; public static final int PROGRESS_MODEL_INDEX = 3; public static final int SIZE_MODEL_INDEX = 4; public static final int RATE_MODEL_INDEX = 5; public static final int ETA_MODEL_INDEX = 6; public static final int STATUS_MODEL_INDEX = 7; /** * 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 FILE_COLUMN_ID = 1003; public static final int PROGRESS_COLUMN_ID = 1004; public static final int SIZE_COLUMN_ID = 1005; public static final int RATE_COLUMN_ID = 1006; public static final int STATUS_COLUMN_ID = 1007; public static final int ETA_COLUMN_ID = 1008; /** * Column ids orderd according to its corresponding model index */ private static final Integer[] COLUMN_IDS = new Integer[] { HOST_COLUMN_ID, VENDOR_COLUMN_ID, FILE_COLUMN_ID, PROGRESS_COLUMN_ID, SIZE_COLUMN_ID, RATE_COLUMN_ID, ETA_COLUMN_ID, STATUS_COLUMN_ID }; private static String[] tableColumns; private static Class[] tableClasses; static { tableColumns = new String[] { Localizer.getString("Host"), Localizer.getString("Vendor"), Localizer.getString("File"), Localizer.getString("PercentSign"), Localizer.getString("Size"), Localizer.getString("Rate"), Localizer.getString("UploadTable_ETA"), Localizer.getString("Status") }; tableClasses = new Class[] { HostAddressCellRenderer.class, String.class, String.class, ProgressCellRenderer.class, TransferSizeCellRenderer.class, String.class, ETACellRenderer.class, String.class }; } private UploadManager uploadMgr; public UploadFilesTableModel(UploadManager uploadMgr) { super(COLUMN_IDS, tableColumns, tableClasses); this.uploadMgr = uploadMgr; GUIRegistry.getInstance().getServent().getEventService().processAnnotations(this); } public int getRowCount() { return uploadMgr.getUploadListSize(); } public Object getValueAt(int row, int col) { UploadState uploadState = uploadMgr.getUploadStateAt(row); if (uploadState == null) { fireTableRowsDeleted(row, row); return ""; } switch (col) { case HOST_MODEL_INDEX: return uploadState.getHostAddress(); case VENDOR_MODEL_INDEX: String vendor = uploadState.getVendor(); if (vendor == null) { return ""; } else { return vendor; } case FILE_MODEL_INDEX: return uploadState.getFileName(); case PROGRESS_MODEL_INDEX: return Integer.valueOf(uploadState.getProgress()); case SIZE_MODEL_INDEX: return uploadState; case RATE_MODEL_INDEX: { return NumberFormatUtils.formatSignificantByteSize(uploadState.getTransferSpeed()) + Localizer.getString("PerSec"); } case ETA_MODEL_INDEX: return uploadState; case STATUS_MODEL_INDEX: return UploadStatusInfo.getUploadStatusString(uploadState.getStatus()); } return ""; } /** * 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) { UploadState uploadState = uploadMgr.getUploadStateAt(row); if (uploadState == null) { return ""; } switch (column) { case RATE_MODEL_INDEX: return Long.valueOf(uploadState.getTransferSpeed()); } return getValueAt(row, column); } /** * 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 SIZE_MODEL_INDEX: return new TransferSizeComparator(); // for all other columns use default comparator default: return null; } } /** * Indicates if a column is hideable. */ @Override public boolean isColumnHideable(int columnIndex) { if (columnIndex == FILE_MODEL_INDEX) { return false; } return true; } @EventTopicSubscriber(topic = PhexEventTopics.Upload_State) public void onUploadStateEvent(String topic, final ContainerEvent event) { EventQueue.invokeLater(new Runnable() { public void run() { int position = event.getPosition(); if (event.getType() == ContainerEvent.Type.ADDED) { fireTableChanged(new TableModelEvent(UploadFilesTableModel.this, position, position, TableModelEvent.ALL_COLUMNS, TableModelEvent.INSERT)); } else if (event.getType() == ContainerEvent.Type.REMOVED) { fireTableChanged(new TableModelEvent(UploadFilesTableModel.this, position, position, TableModelEvent.ALL_COLUMNS, TableModelEvent.DELETE)); } } }); } }