[Jrobin-commits] src/org/jrobin/inspector ArchiveTableModel.java,NONE,1.1 DataTableModel.java,NONE,1.1 DatasourceTableModel.java,NONE,1.1 HeaderTableModel.java,NONE,1.1 InspectorModel.java,NONE,1.1 MainTreeModel.java,NONE,1.1 RrdInspector.java,NONE,1.1 RrdNode.java,NONE,1.1

[<sa...@us...>]

Update of /cvsroot/jrobin/src/org/jrobin/inspector
In directory sc8-pr-cvs1:/tmp/cvs-serv14464/org/jrobin/inspector

Added Files:
	ArchiveTableModel.java DataTableModel.java 
	DatasourceTableModel.java HeaderTableModel.java 
	InspectorModel.java MainTreeModel.java RrdInspector.java 
	RrdNode.java 
Log Message:
packages org.jrobin.* created (old jrobin.* packages still exist, will be removed later)

--- NEW FILE: ArchiveTableModel.java ---
/* ============================================================
 * JRobin : Pure java implementation of RRDTool's functionality
 * ============================================================
 *
 * Project Info:  http://www.sourceforge.net/projects/jrobin
 * Project Lead:  Sasa Markovic (sa...@eu...);
 *
 * (C) Copyright 2003, by Sasa Markovic.
 *
 * Developers:    Sasa Markovic (sa...@jr...)
 *                Arne Vandamme (cob...@jr...)
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package org.jrobin.inspector;

import org.jrobin.core.*;

import javax.swing.table.AbstractTableModel;
import java.io.File;
import java.io.IOException;
import java.util.Date;

class ArchiveTableModel extends AbstractTableModel {
	private static final Object[] DESCRIPTIONS = {
		"consolidation", "xff", "steps", "rows", "accum. value", "NaN steps", "start", "end"
	};
	private static final String[] COLUMN_NAMES = {"description", "value"};

	private File file;
	private Object[] values;
	private int dsIndex = -1, arcIndex = -1;

	public int getRowCount() {
		return DESCRIPTIONS.length;
	}

	public int getColumnCount() {
		return COLUMN_NAMES.length;
	}

	public Object getValueAt(int rowIndex, int columnIndex) {
		if (columnIndex == 0) {
			return DESCRIPTIONS[rowIndex];
		}
		else if (columnIndex == 1) {
			if (values != null) {
				return values[rowIndex];
			}
			else {
				return "--";
			}
		}
		return null;
	}

	public String getColumnName(int column) {
		return COLUMN_NAMES[column];
	}

	void setFile(File newFile) {
		if (file == null || !file.getAbsolutePath().equals(newFile.getAbsolutePath())) {
			file = newFile;
			setIndex(-1, -1);
		}
	}

	void setIndex(int newDsIndex, int newArcIndex) {
		if (dsIndex != newDsIndex || arcIndex != newArcIndex) {
			dsIndex = newDsIndex;
			arcIndex = newArcIndex;
			values = null;
			if(dsIndex >= 0 && arcIndex >= 0) {
				try {
					RrdDb rrd = new RrdDb(file.getAbsolutePath());
					Archive arc = rrd.getArchive(arcIndex);
					ArcState state = arc.getArcState(dsIndex);
					values = new Object[]{
						arc.getConsolFun(),
						"" + arc.getXff(),
						"" + arc.getSteps(),
						"" + arc.getRows(),
						InspectorModel.formatDouble(state.getAccumValue()),
						"" + state.getNanSteps(),
						"" + arc.getStartTime() + " [" + new Date(arc.getStartTime() * 1000L) + "]",
						"" + arc.getEndTime() + " [" + new Date(arc.getEndTime() * 1000L) + "]"
					};
					rrd.close();
				}
				catch (IOException e) {
				}
				catch (RrdException e) {
				}
			}
			fireTableDataChanged();
		}
	}
}

--- NEW FILE: DataTableModel.java ---
/* ============================================================
 * JRobin : Pure java implementation of RRDTool's functionality
 * ============================================================
 *
 * Project Info:  http://www.sourceforge.net/projects/jrobin
 * Project Lead:  Sasa Markovic (sa...@eu...);
 *
 * (C) Copyright 2003, by Sasa Markovic.
 *
 * Developers:    Sasa Markovic (sa...@jr...)
 *                Arne Vandamme (cob...@jr...)
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package org.jrobin.inspector;

import org.jrobin.core.*;

import javax.swing.table.AbstractTableModel;
import java.io.File;
import java.io.IOException;
import java.util.Date;

class DataTableModel extends AbstractTableModel {
	private static final String[] COLUMN_NAMES = {"timestamp", "date", "value"};

	private File file;
	private Object[][] values;
	private int dsIndex = -1, arcIndex = -1;

	public int getRowCount() {
		if(values == null) {
			return 0;
		}
		else {
			return values.length;
		}
	}

	public int getColumnCount() {
		return COLUMN_NAMES.length;
	}

	public Object getValueAt(int rowIndex, int columnIndex) {
		if(values == null) {
			return "--";
		}
		return values[rowIndex][columnIndex];
	}

	public String getColumnName(int column) {
		return COLUMN_NAMES[column];
	}

	void setFile(File newFile) {
		if (file == null || !file.getAbsolutePath().equals(newFile.getAbsolutePath())) {
			file = newFile;
			setIndex(-1, -1);
		}
	}

	void setIndex(int newDsIndex, int newArcIndex) {
		if (dsIndex != newDsIndex || arcIndex != newArcIndex) {
			dsIndex = newDsIndex;
			arcIndex = newArcIndex;
			values = null;
			if(dsIndex >= 0 && arcIndex >= 0) {
				try {
					RrdDb rrd = new RrdDb(file.getAbsolutePath());
					Archive arc = rrd.getArchive(arcIndex);
					Robin robin = arc.getRobin(dsIndex);
					long start = arc.getStartTime();
					long step = arc.getArcStep();
					double robinValues[] = robin.getValues();
					values = new Object[robinValues.length][];
					for(int i = 0; i < robinValues.length; i++) {
						long timestamp = start + i * step;
						String date = new Date(timestamp * 1000L).toString();
						String value = InspectorModel.formatDouble(robinValues[i]);
						values[i] = new Object[] {
							"" + timestamp,	date, value
						};
					}
					rrd.close();
				}
				catch (IOException e) {
				}
				catch (RrdException e) {
				}
			}
			fireTableDataChanged();
		}
	}
}

--- NEW FILE: DatasourceTableModel.java ---
/* ============================================================
 * JRobin : Pure java implementation of RRDTool's functionality
 * ============================================================
 *
 * Project Info:  http://www.sourceforge.net/projects/jrobin
 * Project Lead:  Sasa Markovic (sa...@eu...);
 *
 * (C) Copyright 2003, by Sasa Markovic.
 *
 * Developers:    Sasa Markovic (sa...@jr...)
 *                Arne Vandamme (cob...@jr...)
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */
package org.jrobin.inspector;

import org.jrobin.core.RrdDb;
import org.jrobin.core.Datasource;
import org.jrobin.core.RrdException;

import javax.swing.table.AbstractTableModel;
import java.io.IOException;
import java.io.File;

class DatasourceTableModel extends AbstractTableModel {
	private static final Object[] DESCRIPTIONS = {"name", "type", "heartbeat", "min value",
										   "max value", "last value", "accum. value", "NaN seconds"};
	private static final String[] COLUMN_NAMES = {"description", "value"};

	private File file;
	private Object[] values;
	private int dsIndex = -1;

	public int getRowCount() {
		return DESCRIPTIONS.length;
	}

	public int getColumnCount() {
		return COLUMN_NAMES.length;
	}

	public Object getValueAt(int rowIndex, int columnIndex) {
		if (columnIndex == 0) {
			return DESCRIPTIONS[rowIndex];
		}
		else if (columnIndex == 1) {
			if (values != null) {
				return values[rowIndex];
			}
			else {
				return "--";
			}
		}
		return null;
	}

	public String getColumnName(int column) {
		return COLUMN_NAMES[column];
	}

	void setFile(File newFile) {
		if (file == null || !file.getAbsolutePath().equals(newFile.getAbsolutePath())) {
			file = newFile;
			setIndex(-1);
		}
	}

	void setIndex(int newDsIndex) {
		if (dsIndex != newDsIndex) {
			dsIndex = newDsIndex;
			values = null;
			if(dsIndex >= 0) {
				try {
					RrdDb rrd = new RrdDb(file.getAbsolutePath());
					Datasource ds = rrd.getDatasource(dsIndex);
					values = new Object[]{
						ds.getDsName(),
						ds.getDsType(),
						"" + ds.getHeartbeat(),
						InspectorModel.formatDouble(ds.getMinValue()),
						InspectorModel.formatDouble(ds.getMaxValue()),
						InspectorModel.formatDouble(ds.getLastValue()),
						InspectorModel.formatDouble(ds.getAccumValue()),
						"" + ds.getNanSeconds()
					};
					rrd.close();
				}
				catch (IOException e) {
				}
				catch (RrdException e) {
				}
			}
			fireTableDataChanged();
		}
	}
}
--- NEW FILE: HeaderTableModel.java ---
/* ============================================================
 * JRobin : Pure java implementation of RRDTool's functionality
 * ============================================================
 *
 * Project Info:  http://www.sourceforge.net/projects/jrobin
 * Project Lead:  Sasa Markovic (sa...@eu...);
 *
 * (C) Copyright 2003, by Sasa Markovic.
 *
 * Developers:    Sasa Markovic (sa...@jr...)
 *                Arne Vandamme (cob...@jr...)
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package org.jrobin.inspector;

import org.jrobin.core.RrdDb;
import org.jrobin.core.Header;
import org.jrobin.core.RrdException;

import javax.swing.table.AbstractTableModel;
import java.util.Date;
import java.io.IOException;
import java.io.File;

class HeaderTableModel extends AbstractTableModel {
	private static final Object[] DESCRIPTIONS = {"path", "signature", "step", "last timestamp",
		"datasources", "archives", "size"};
	private static final String[] COLUMN_NAMES = {"description", "value"};

	private File file;
	private Object[] values;

	public int getRowCount() {
		return DESCRIPTIONS.length;
	}

    public int getColumnCount() {
		return COLUMN_NAMES.length;
	}

	public Object getValueAt(int rowIndex, int columnIndex) {
		if(columnIndex == 0) {
			return DESCRIPTIONS[rowIndex];
		}
		else if(columnIndex == 1) {
			if(values != null) {
				return values[rowIndex];
			}
			else {
				return "--";
			}
		}
		return null;
	}

	public String getColumnName(int column) {
		return COLUMN_NAMES[column];
	}

	void setFile(File newFile) {
		if(file == null || !file.getAbsolutePath().equals(newFile.getAbsolutePath())) {
			try {
				file = newFile;
				values = null;
				String path = file.getAbsolutePath();
				RrdDb rrd = new RrdDb(path);
				Header header = rrd.getHeader();
				String signature = header.getSignature();
				String step = "" + header.getStep();
				String lastTimestamp = header.getLastUpdateTime() + " [" +
					new Date(header.getLastUpdateTime() * 1000L) + "]";
				String datasources = "" + header.getDsCount();
				String archives = "" + header.getArcCount();
				String size = rrd.getRrdFile().getFileSize() + " bytes";
				rrd.close();
				values = new Object[] {
					path, signature, step, lastTimestamp, datasources, archives, size
				};
				fireTableDataChanged();
			}
			catch (IOException e) {
			}
			catch (RrdException e) {
			}
		}
	}
}
--- NEW FILE: InspectorModel.java ---
/* ============================================================
 * JRobin : Pure java implementation of RRDTool's functionality
 * ============================================================
 *
 * Project Info:  http://www.sourceforge.net/projects/jrobin
 * Project Lead:  Sasa Markovic (sa...@eu...);
 *
 * (C) Copyright 2003, by Sasa Markovic.
 *
 * Developers:    Sasa Markovic (sa...@jr...)
 *                Arne Vandamme (cob...@jr...)
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package org.jrobin.inspector;

import java.io.File;
import java.text.DecimalFormat;

/**
 * Created by saxon
 * User: stalker
 * Date: Oct 5, 2003
 * Time: 11:26:05 AM
 */
class InspectorModel {
	private MainTreeModel mainTreeModel = new MainTreeModel();
	private HeaderTableModel generalTableModel = new HeaderTableModel();
	private DatasourceTableModel datasourceTableModel = new DatasourceTableModel();
	private ArchiveTableModel archiveTableModel = new ArchiveTableModel();
	private DataTableModel dataTableModel = new DataTableModel();

	MainTreeModel getMainTreeModel() {
		return mainTreeModel;
	}

	HeaderTableModel getGeneralTableModel() {
		return generalTableModel;
	}

	DatasourceTableModel getDatasourceTableModel() {
		return datasourceTableModel;
	}

	DataTableModel getDataTableModel() {
		return dataTableModel;
	}

	ArchiveTableModel getArchiveTableModel() {
		return archiveTableModel;
	}

	void setFile(File file) {
		mainTreeModel.setFile(file);
		generalTableModel.setFile(file);
		datasourceTableModel.setFile(file);
		archiveTableModel.setFile(file);
		dataTableModel.setFile(file);
	}

	void selectModel(int dsIndex, int arcIndex) {
		datasourceTableModel.setIndex(dsIndex);
		archiveTableModel.setIndex(dsIndex, arcIndex);
		dataTableModel.setIndex(dsIndex, arcIndex);
	}

	private static String DOUBLE_FORMAT = "0.0000000000E00";
	private static final DecimalFormat df = new DecimalFormat(DOUBLE_FORMAT);

	static String formatDouble(double x, String nanString) {
		if(Double.isNaN(x)) {
			return nanString;
		}
		return df.format(x);
	}

	static String formatDouble(double x) {
		return formatDouble(x, "" + Double.NaN);
	}
}

--- NEW FILE: MainTreeModel.java ---
/* ============================================================
 * JRobin : Pure java implementation of RRDTool's functionality
 * ============================================================
 *
 * Project Info:  http://www.sourceforge.net/projects/jrobin
 * Project Lead:  Sasa Markovic (sa...@eu...);
 *
 * (C) Copyright 2003, by Sasa Markovic.
 *
 * Developers:    Sasa Markovic (sa...@jr...)
 *                Arne Vandamme (cob...@jr...)
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package org.jrobin.inspector;

import org.jrobin.core.RrdDb;
import org.jrobin.core.RrdException;

import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.DefaultMutableTreeNode;
import java.io.IOException;
import java.io.File;

class MainTreeModel extends DefaultTreeModel {
	private static final DefaultMutableTreeNode INVALID_NODE =
		new DefaultMutableTreeNode("No valid RRD file specified");

	private File file;

	MainTreeModel() {
		super(INVALID_NODE);
	}

	void setFile(File newFile) {
		if (file == null || !file.getAbsolutePath().equals(newFile.getAbsolutePath())) {
			try {
				file = newFile;
				RrdDb rrd = new RrdDb(file.getAbsolutePath());
				DefaultMutableTreeNode root = new DefaultMutableTreeNode(new RrdNode(rrd));
				int dsCount = rrd.getRrdDef().getDsCount();
				int arcCount = rrd.getRrdDef().getArcCount();
				for (int dsIndex = 0; dsIndex < dsCount; dsIndex++) {
					DefaultMutableTreeNode dsNode =
						new DefaultMutableTreeNode(new RrdNode(rrd, dsIndex));
					for (int arcIndex = 0; arcIndex < arcCount; arcIndex++) {
						DefaultMutableTreeNode arcNode =
							new DefaultMutableTreeNode(new RrdNode(rrd, dsIndex, arcIndex));
						dsNode.add(arcNode);
					}
					root.add(dsNode);
				}
				rrd.close();
				setRoot(root);
			}
			catch (IOException e) {
				setRoot(INVALID_NODE);
			}
			catch (RrdException e) {
				setRoot(INVALID_NODE);
			}
		}
	}
}

--- NEW FILE: RrdInspector.java ---
/* ============================================================
 * JRobin : Pure java implementation of RRDTool's functionality
 * ============================================================
 *
 * Project Info:  http://www.sourceforge.net/projects/jrobin
 * Project Lead:  Sasa Markovic (sa...@eu...);
 *
 * (C) Copyright 2003, by Sasa Markovic.
 *
 * Developers:    Sasa Markovic (sa...@jr...)
 *                Arne Vandamme (cob...@jr...)
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package org.jrobin.inspector;

import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import javax.swing.event.TreeSelectionListener;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.tree.TreeSelectionModel;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreePath;
import java.awt.*;
import java.awt.event.*;
import java.io.File;

class RrdInspector extends JFrame {
	static final String TITLE = "RRD File Inspector";
	static Dimension MAIN_TREE_SIZE = new Dimension(250, 400);
	static Dimension INFO_PANE_SIZE = new Dimension(450, 400);

	JTabbedPane tabbedPane = new JTabbedPane();
	private JTree mainTree = new JTree();
	private JTable generalTable = new JTable();
	private JTable datasourceTable = new JTable();
	private JTable archiveTable = new JTable();
	private JTable dataTable = new JTable();

	private InspectorModel inspectorModel = new InspectorModel();

    RrdInspector() {
		super(TITLE);
		constructUI();
		showCentered();
		selectFile();
	}

	private void showCentered() {
		pack();
		Toolkit t = Toolkit.getDefaultToolkit();
		Dimension screenSize = t.getScreenSize(), frameSize = getPreferredSize();
		double x = (screenSize.getWidth() - frameSize.getWidth()) / 2;
		double y = (screenSize.getHeight() - frameSize.getHeight()) / 2;
		setLocation((int) x, (int) y);
		setVisible(true);
	}

	private void constructUI() {
        JPanel content = (JPanel) getContentPane();
		content.setLayout(new BorderLayout());

		// WEST, tree pane
		JPanel leftPanel = new JPanel();
		leftPanel.setLayout(new BorderLayout());
		JScrollPane treePane = new JScrollPane(mainTree);
        leftPanel.add(treePane);
		leftPanel.setPreferredSize(MAIN_TREE_SIZE);
		content.add(leftPanel, BorderLayout.WEST);
		mainTree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
		mainTree.addTreeSelectionListener(new TreeSelectionListener() {
			public void valueChanged(TreeSelectionEvent e) { nodeChangedAction(); }
		});
		mainTree.setModel(inspectorModel.getMainTreeModel());

		// EAST, tabbed pane

		// GENERAL TAB
		JScrollPane spGeneral = new JScrollPane(generalTable);
		spGeneral.setPreferredSize(INFO_PANE_SIZE);
		tabbedPane.add("General info", spGeneral);
		generalTable.setModel(inspectorModel.getGeneralTableModel());
		generalTable.getColumnModel().getColumn(0).setPreferredWidth(150);
		generalTable.getColumnModel().getColumn(0).setMaxWidth(150);
		//generalTable.getColumnModel().getColumn(0).setMinWidth(150);
		// DATASOURCE TAB
		JScrollPane spDatasource = new JScrollPane(datasourceTable);
		spDatasource.setPreferredSize(INFO_PANE_SIZE);
		tabbedPane.add("Datasource info", spDatasource);
		datasourceTable.setModel(inspectorModel.getDatasourceTableModel());
		datasourceTable.getColumnModel().getColumn(0).setPreferredWidth(150);
		datasourceTable.getColumnModel().getColumn(0).setMaxWidth(150);
		//datasourceTable.getColumnModel().getColumn(0).setMinWidth(150);
		// ARCHIVE TAB
		JScrollPane spArchive = new JScrollPane(archiveTable);
		archiveTable.setModel(inspectorModel.getArchiveTableModel());
		archiveTable.getColumnModel().getColumn(0).setPreferredWidth(150);
		archiveTable.getColumnModel().getColumn(0).setMaxWidth(150);
		//archiveTable.getColumnModel().getColumn(0).setMinWidth(150);
		spArchive.setPreferredSize(INFO_PANE_SIZE);
        tabbedPane.add("Archive info", spArchive);
		// DATA TAB
		JScrollPane spData = new JScrollPane(dataTable);
		dataTable.setModel(inspectorModel.getDataTableModel());
		dataTable.getColumnModel().getColumn(0).setPreferredWidth(100);
		dataTable.getColumnModel().getColumn(0).setMaxWidth(100);
		dataTable.getColumnModel().getColumn(1).setPreferredWidth(150);
		spData.setPreferredSize(INFO_PANE_SIZE);
		tabbedPane.add("Archive data", spData);

		content.add(tabbedPane, BorderLayout.CENTER);

		// MENU
		JMenuBar menuBar = new JMenuBar();
		JMenu fileMenu = new JMenu("File");
		fileMenu.setMnemonic(KeyEvent.VK_F);
		JMenuItem fileMenuItem = new JMenuItem("Open RRD file...", KeyEvent.VK_O);
		fileMenuItem.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				selectFile();
			}
		});
		fileMenu.add(fileMenuItem);
		JMenuItem exitMenuItem = new JMenuItem("Exit", KeyEvent.VK_X);
		exitMenuItem.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				System.exit(0);
			}
		});
		fileMenu.addSeparator();
		fileMenu.add(exitMenuItem);
		menuBar.add(fileMenu);
		setJMenuBar(menuBar);

		// finalize UI
		addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) { System.exit(0); }
		});

	}

	private void nodeChangedAction() {
		TreePath path = mainTree.getSelectionPath();
		if(path != null) {
			DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
			Object obj = node.getUserObject();
			if(obj instanceof RrdNode) {
				RrdNode rrdNode = (RrdNode) obj;
				inspectorModel.selectModel(rrdNode.getDsIndex(), rrdNode.getArcIndex());
				if(rrdNode.getDsIndex() >= 0 && rrdNode.getArcIndex() >= 0) {
					// archive node
					if(tabbedPane.getSelectedIndex() < 2) {
						tabbedPane.setSelectedIndex(2);
					}
				}
				else if(rrdNode.getDsIndex() >= 0) {
					tabbedPane.setSelectedIndex(1);
				}
				else {
					tabbedPane.setSelectedIndex(0);
				}
			}
		}
	}

	private void selectFile() {
		JFileChooser chooser = new JFileChooser();
		FileFilter filter = new FileFilter() {
			public boolean accept(File f) {
				return f.isDirectory()? true:
					f.getAbsolutePath().toLowerCase().endsWith(".rrd");
			}
			public String getDescription() {
				return "JRobin RRD files";
			}
		};
		chooser.setFileFilter(filter);
		int returnVal = chooser.showOpenDialog(this);
		if(returnVal == JFileChooser.APPROVE_OPTION) {
			File file = chooser.getSelectedFile();
			inspectorModel.setFile(file);
			tabbedPane.setSelectedIndex(0);
		}
	}

	public static void main(String[] args) {
		new RrdInspector();
	}

}

--- NEW FILE: RrdNode.java ---
/* ============================================================
 * JRobin : Pure java implementation of RRDTool's functionality
 * ============================================================
 *
 * Project Info:  http://www.sourceforge.net/projects/jrobin
 * Project Lead:  Sasa Markovic (sa...@eu...);
 *
 * (C) Copyright 2003, by Sasa Markovic.
 *
 * Developers:    Sasa Markovic (sa...@jr...)
 *                Arne Vandamme (cob...@jr...)
 *
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation;
 * either version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package org.jrobin.inspector;

import org.jrobin.core.*;

import java.io.File;
import java.io.IOException;

class RrdNode {
	private int dsIndex = -1, arcIndex = -1;
	private String label;

	RrdNode(RrdDb rrd) {
		// header node
		String path = rrd.getRrdFile().getFilePath();
		label = new File(path).getName();
	}

	RrdNode(RrdDb rrd, int dsIndex) throws IOException, RrdException {
		// datasource node
		this.dsIndex = dsIndex;
		RrdDef def = rrd.getRrdDef();
		DsDef[] dsDefs = def.getDsDefs();
		label = dsDefs[dsIndex].dump();
	}

	RrdNode(RrdDb rrd, int dsIndex, int arcIndex) throws IOException, RrdException {
		// archive node
		this.dsIndex = dsIndex;
		this.arcIndex = arcIndex;
		ArcDef[] arcDefs = rrd.getRrdDef().getArcDefs();
		label = arcDefs[arcIndex].dump();
	}

	int getDsIndex() {
		return dsIndex;
	}

	int getArcIndex() {
		return arcIndex;
	}

	public String toString() {
		return label;
	}
}