/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* --------------------------
* SystemPropertiesPanel.java
* --------------------------
* (C) Copyright 2001-2008, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: SystemPropertiesPanel.java,v 1.7 2008/12/18 09:57:32 mungady Exp $
*
* Changes
* -------
* 26-Nov-2001 : Version 1 (DG);
* 28-Feb-2002 : Changed package to com.jrefinery.ui.about (DG);
* 04-Mar-2002 : Added popup menu code by Carl ?? (DG);
* 15-Mar-2002 : Modified to use ResourceBundle for elements that require
* localisation (DG);
* 26-Jun-2002 : Removed unnecessary import (DG);
* 08-Oct-2002 : Fixed errors reported by Checkstyle (DG);
* 18-Dec-2008 : Use ResourceBundleWrapper - see JFreeChart patch 1607918 by
* Jess Thrysoee (DG);
*
*/
package org.jfree.ui.about;
import java.awt.BorderLayout;
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.StringSelection;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.ResourceBundle;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.KeyStroke;
import javax.swing.ListSelectionModel;
import org.jfree.util.ResourceBundleWrapper;
/**
* A panel containing a table of system properties.
*
* @author David Gilbert
*/
public class SystemPropertiesPanel extends JPanel {
/** The table that displays the system properties. */
private JTable table;
/** Allows for a popup menu for copying. */
private JPopupMenu copyPopupMenu;
/** A copy menu item. */
private JMenuItem copyMenuItem;
/** A popup listener. */
private PopupListener copyPopupListener;
/**
* Constructs a new panel.
*/
public SystemPropertiesPanel() {
final String baseName = "org.jfree.ui.about.resources.AboutResources";
final ResourceBundle resources = ResourceBundleWrapper.getBundle(
baseName);
setLayout(new BorderLayout());
this.table = SystemProperties.createSystemPropertiesTable();
add(new JScrollPane(this.table));
// Add a popup menu to copy to the clipboard...
this.copyPopupMenu = new JPopupMenu();
final String label = resources.getString(
"system-properties-panel.popup-menu.copy");
final KeyStroke accelerator = (KeyStroke) resources.getObject(
"system-properties-panel.popup-menu.copy.accelerator");
this.copyMenuItem = new JMenuItem(label);
this.copyMenuItem.setAccelerator(accelerator);
this.copyMenuItem.getAccessibleContext().setAccessibleDescription(
label);
this.copyMenuItem.addActionListener(new ActionListener() {
public void actionPerformed(final ActionEvent e) {
copySystemPropertiesToClipboard();
}
});
this.copyPopupMenu.add(this.copyMenuItem);
// add popup Listener to the table
this.copyPopupListener = new PopupListener();
this.table.addMouseListener(this.copyPopupListener);
}
/**
* Copies the selected cells in the table to the clipboard, in
* tab-delimited format.
*/
public void copySystemPropertiesToClipboard() {
final StringBuffer buffer = new StringBuffer();
final ListSelectionModel selection = this.table.getSelectionModel();
final int firstRow = selection.getMinSelectionIndex();
final int lastRow = selection.getMaxSelectionIndex();
if ((firstRow != -1) && (lastRow != -1)) {
for (int r = firstRow; r <= lastRow; r++) {
for (int c = 0; c < this.table.getColumnCount(); c++) {
buffer.append(this.table.getValueAt(r, c));
if (c != 2) {
buffer.append("\t");
}
}
buffer.append("\n");
}
}
final StringSelection ss = new StringSelection(buffer.toString());
final Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
cb.setContents(ss, ss);
}
/**
* Returns the copy popup menu.
*
* @return Returns the copyPopupMenu.
*/
protected final JPopupMenu getCopyPopupMenu()
{
return this.copyPopupMenu;
}
/**
* Returns the table containing the system properties.
* @return Returns the table.
*/
protected final JTable getTable()
{
return this.table;
}
/**
* A popup listener.
*/
private class PopupListener extends MouseAdapter {
/**
* Default constructor.
*/
public PopupListener() {
}
/**
* Mouse pressed event.
*
* @param e the event.
*/
public void mousePressed(final MouseEvent e) {
maybeShowPopup(e);
}
/**
* Mouse released event.
*
* @param e the event.
*/
public void mouseReleased(final MouseEvent e) {
maybeShowPopup(e);
}
/**
* Event handler.
*
* @param e the event.
*/
private void maybeShowPopup(final MouseEvent e) {
if (e.isPopupTrigger()) {
getCopyPopupMenu().show(
getTable(), e.getX(), e.getY()
);
}
}
}
}