add table model

git-svn-id: http://trooper/svn/projects/jSite/trunk@877 c3eda9e8-030b-0410-8277-bc7414b0a119

diff --git a/src/net/pterodactylus/jsite/gui/RequestTableModel.java b/src/net/pterodactylus/jsite/gui/RequestTableModel.java
new file mode 100644 (file)
index 0000000..c238cb1
--- /dev/null
+++ b/src/net/pterodactylus/jsite/gui/RequestTableModel.java
@@ -0,0 +1,153 @@
+/*
+ * jSite2 - RequestTableModel.java
+ * Copyright © 2008 David Roden
+ *
+ * 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.
+ */
+
+package net.pterodactylus.jsite.gui;
+
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.logging.Logger;
+
+import javax.swing.table.AbstractTableModel;
+
+import net.pterodactylus.jsite.core.Request;
+import net.pterodactylus.util.logging.Logging;
+
+/**
+ * The request table model is the table model backing the request table. It
+ * registers itself as a {@link PropertyChangeListener} with every
+ * {@link Request} that is added to it so that it can track progress of the
+ * requests on its own.
+ * 
+ * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
+ * @version $Id$
+ */
+public class RequestTableModel extends AbstractTableModel implements PropertyChangeListener {
+
+       /** Logger. */
+       private static final Logger logger = Logging.getLogger(RequestTableModel.class.getName());
+
+       /** The column names. */
+       private static final String[] COLUMN_NAMES = new String[] { "ID", "Progress" };
+
+       /** The requests. */
+       private final List<Request> requests = Collections.synchronizedList(new ArrayList<Request>());
+
+       //
+       // ACTIONS
+       //
+
+       /**
+        * Adds a request to the model.
+        * 
+        * @param request
+        *            The request to add
+        */
+       public void addRequest(Request request) {
+               requests.add(request);
+               request.addPropertyChangeListener(this);
+               fireTableRowsInserted(requests.size() - 1, requests.size() - 1);
+       }
+
+       /**
+        * Removes a request from the model.
+        * 
+        * @param request
+        *            The request to remove
+        */
+       public void removeRequest(Request request) {
+               int requestIndex = requests.indexOf(request);
+               request.removePropertyChangeListener(this);
+               if (requestIndex != -1) {
+                       requests.remove(request);
+                       fireTableRowsDeleted(requestIndex, requestIndex);
+               }
+       }
+
+       //
+       // INTERFACE TableModel
+       //
+
+       /**
+        * @see javax.swing.table.AbstractTableModel#getColumnName(int)
+        */
+       @Override
+       public String getColumnName(int column) {
+               return COLUMN_NAMES[column];
+       }
+
+       /**
+        * @see javax.swing.table.TableModel#getColumnCount()
+        */
+       public int getColumnCount() {
+               return COLUMN_NAMES.length;
+       }
+
+       /**
+        * @see javax.swing.table.TableModel#getRowCount()
+        */
+       public int getRowCount() {
+               return requests.size();
+       }
+
+       /**
+        * @see javax.swing.table.TableModel#getValueAt(int, int)
+        */
+       public Object getValueAt(int rowIndex, int columnIndex) {
+               Request request = requests.get(rowIndex);
+               switch (columnIndex) {
+                       case 0:
+                               return request.getIdentifier();
+                       case 1:
+                               if (request.getRequiredBlocks() == 0) {
+                                       return "unknown";
+                               }
+                               return String.valueOf((request.getSuccessfulBlocks() * 10000 / request.getRequiredBlocks()) / 100.0) + "%";
+               }
+               return null;
+       }
+
+       //
+       // INTERFACE PropertyChangeListener
+       //
+
+       /**
+        * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
+        */
+       public void propertyChange(PropertyChangeEvent propertyChangeEvent) {
+               Object eventSource = propertyChangeEvent.getSource();
+               if (eventSource instanceof Request) {
+                       Request sourceRequest = (Request) eventSource;
+                       int requestIndex = requests.indexOf(sourceRequest);
+                       if (requestIndex == -1) {
+                               logger.warning("got request without index:  " + sourceRequest);
+                               return;
+                       }
+                       String propertyName = propertyChangeEvent.getPropertyName();
+                       if (Request.PROPERTY_REQUIRED_BLOCKS.equals(propertyName)) {
+                               fireTableCellUpdated(requestIndex, 1);
+                       } else if (Request.PROPERTY_SUCCESSFUL_BLOCKS.equals(propertyName)) {
+                               fireTableCellUpdated(requestIndex, 1);
+                       }
+               }
+       }
+
+}