1 /*
2 * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.tools.jconsole;
27
28 import javax.swing.*;
29 import javax.swing.event.*;
30 import javax.swing.text.*;
31
32 @SuppressWarnings("serial")
33 public class HTMLPane extends JEditorPane {
34 private boolean hasSelection = false;
35
36 public HTMLPane() {
37 setContentType("text/html");
38 setEditable(false);
39 ((DefaultCaret)getCaret()).setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
40 addCaretListener(new CaretListener() {
41 // Listen for selection changes
42 public void caretUpdate(CaretEvent e) {
43 setHasSelection(e.getDot() != e.getMark());
44 }
45 });
46 }
47
48 public synchronized void setHasSelection(boolean b) {
49 hasSelection = b;
50 }
51
52 public synchronized boolean getHasSelection() {
53 return hasSelection;
54 }
55
56 public void setText(String text) {
57 // Apply update only if a selection is not active
58 if (!getHasSelection()) {
59 // JEditorPane does not automatically pick up fg color
60 String textColor =
61 String.format("%06x", getForeground().getRGB() & 0xFFFFFF);
62 super.setText("<html><body text=#"+textColor+">" + text + "</body></html>");
63 }
64 }
65 }