| /* |
| * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.ui; |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import java.util.*; |
| import javax.swing.*; |
| import javax.swing.event.*; |
| import javax.swing.table.*; |
| |
| import sun.jvm.hotspot.debugger.*; |
| |
| public class ProcessListPanel extends JPanel { |
| private Debugger dbg; |
| private AbstractTableModel dataModel; |
| private java.util.List els; |
| private boolean sortByName = true; |
| private boolean sortReversed = false; |
| private javax.swing.Timer timer; |
| private JTable table; |
| |
| /** Takes a Debugger in constructor. Updates the list once during |
| construction; list can be updated automatically by "starting" |
| the panel. */ |
| public ProcessListPanel(Debugger dbg) { |
| super(); |
| |
| this.dbg = dbg; |
| |
| update(); |
| |
| dataModel = new AbstractTableModel() { |
| public int getColumnCount() { return 2; } |
| public int getRowCount() { return els.size(); } |
| public String getColumnName(int col) { |
| switch (col) { |
| case 0: |
| return "Process Name"; |
| case 1: |
| return "Process ID"; |
| default: |
| throw new RuntimeException("Index " + col + " out of bounds"); |
| } |
| } |
| |
| public Object getValueAt(int row, int col) { |
| ProcessInfo info = (ProcessInfo) els.get(row); |
| |
| switch (col) { |
| case 0: |
| return info.getName(); |
| case 1: |
| return new Integer(info.getPid()); |
| default: |
| throw new RuntimeException("Index (" + col + ", " + row + ") out of bounds"); |
| } |
| } |
| }; |
| |
| // Create user interface |
| setLayout(new BorderLayout()); |
| table = new JTable(dataModel); |
| table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); |
| JTableHeader header = table.getTableHeader(); |
| header.setReorderingAllowed(false); |
| table.setRowSelectionAllowed(true); |
| table.setColumnSelectionAllowed(false); |
| // Provide sorting in similar fashion to Task Manager |
| header.addMouseListener(new MouseAdapter() { |
| public void mousePressed(MouseEvent e) { |
| int viewColumn = table.getColumnModel().getColumnIndexAtX(e.getX()); |
| int column = table.convertColumnIndexToModel(viewColumn); |
| if (column != -1) { |
| boolean newSortByName = (column == 0); |
| if (newSortByName == sortByName) { |
| // Switch sense of "reversed" instead |
| sortReversed = !sortReversed; |
| } else { |
| sortByName = newSortByName; |
| sortReversed = false; |
| } |
| |
| // Keep the current selection if possible |
| int i = table.getSelectedRow(); |
| int pid = getPid(els, i); |
| sort(els); |
| i = findPid(els, pid); |
| dataModel.fireTableDataChanged(); |
| if ((i >= 0) || (els.size() > 0)) { |
| if (i >= 0) { |
| table.setRowSelectionInterval(i, i); |
| } else { |
| table.setRowSelectionInterval(0, 0); |
| } |
| } |
| } |
| } |
| }); |
| |
| JScrollPane scrollPane = new JScrollPane(table); |
| add(scrollPane, BorderLayout.CENTER); |
| |
| if (els.size() > 0) { |
| table.setRowSelectionInterval(0, 0); |
| } |
| } |
| |
| /** Set update interval for automatic updating of the process list */ |
| |
| public void setAutoUpdateInterval(int millis) { |
| getTimer().setDelay(millis); |
| } |
| |
| /** Start auto updating of the panel */ |
| public void start() { |
| getTimer().start(); |
| } |
| |
| /** Stop auto updating of the panel */ |
| public void stop() { |
| getTimer().stop(); |
| } |
| |
| /** Call this to update the panel's notion of the process list */ |
| public synchronized void update() { |
| if (!dbg.hasProcessList()) { |
| throw new RuntimeException("ProcessListPanel requires that debugger supports getProcessList()"); |
| } |
| java.util.List newEls = dbg.getProcessList(); |
| sort(newEls); |
| if (table != null) { |
| // Keep the current selection if possible |
| int i = table.getSelectedRow(); |
| int pid = getPid(els, i); |
| i = findPid(newEls, pid); |
| els = newEls; |
| dataModel.fireTableDataChanged(); |
| if ((i >= 0) || (els.size() > 0)) { |
| if (i >= 0) { |
| table.setRowSelectionInterval(i, i); |
| } else { |
| table.setRowSelectionInterval(0, 0); |
| } |
| } |
| } else { |
| els = newEls; |
| } |
| } |
| |
| /** Call this to get the selected ProcessInfo, or null if none selected */ |
| public synchronized ProcessInfo getSelectedProcess() { |
| int i = table.getSelectedRow(); |
| if (i < 0) { |
| return null; |
| } |
| return (ProcessInfo) els.get(i); |
| } |
| |
| private synchronized void sort(java.util.List els) { |
| Comparator c; |
| if (sortByName) { |
| c = new Comparator() { |
| public int compare(Object o1, Object o2) { |
| int scale = (sortReversed ? -1 : 1); |
| return scale * ((ProcessInfo) o1).getName().compareToIgnoreCase(((ProcessInfo) o2).getName()); |
| } |
| }; |
| } else { |
| c = new Comparator() { |
| public int compare(Object o1, Object o2) { |
| int scale = (sortReversed ? -1 : 1); |
| int pid1 = ((ProcessInfo) o1).getPid(); |
| int pid2 = ((ProcessInfo) o2).getPid(); |
| int ret; |
| if (pid1 < pid2) ret = -1; |
| else if (pid1 == pid2) ret = 0; |
| else ret = 1; |
| return ret * scale; |
| } |
| }; |
| } |
| Collections.sort(els, c); |
| } |
| |
| private javax.swing.Timer getTimer() { |
| if (timer == null) { |
| timer = new javax.swing.Timer(1000, new ActionListener() { |
| public void actionPerformed(ActionEvent e) { |
| update(); |
| } |
| }); |
| } |
| return timer; |
| } |
| |
| private synchronized int getPid(java.util.List els, int index) { |
| return ((ProcessInfo) els.get(index)).getPid(); |
| } |
| |
| private synchronized int findPid(java.util.List els, int pid) { |
| for (int i = 0; i < els.size(); i++) { |
| ProcessInfo info = (ProcessInfo) els.get(i); |
| if (info.getPid() == pid) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| } |