From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Wed, 14 May 2008 13:28:15 +0000 (+0000)
Subject: add table model
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=cef853e1dfc369abafa2626e9f4d657df22b180c;p=jSite2.git

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
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 &lt;bombe@freenetproject.org&gt;
+ * @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);
+			}
+		}
+	}
+
+}