01: /*
02: * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package sun.tools.jconsole;
27:
28: import java.awt.Color;
29:
30: import javax.swing.*;
31: import javax.swing.event.*;
32: import javax.swing.text.*;
33:
34: @SuppressWarnings("serial")
35: public class HTMLPane extends JEditorPane {
36: private boolean hasSelection = false;
37:
38: public HTMLPane() {
39: setContentType("text/html");
40: setEditable(false);
41: ((DefaultCaret) getCaret())
42: .setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
43: addCaretListener(new CaretListener() {
44: // Listen for selection changes
45: public void caretUpdate(CaretEvent e) {
46: setHasSelection(e.getDot() != e.getMark());
47: }
48: });
49: }
50:
51: public synchronized void setHasSelection(boolean b) {
52: hasSelection = b;
53: }
54:
55: public synchronized boolean getHasSelection() {
56: return hasSelection;
57: }
58:
59: public void setText(String text) {
60: // Apply update only if a selection is not active
61: if (!getHasSelection()) {
62: // JEditorPane does not automatically pick up fg color
63: String textColor = String.format("%06x", getForeground()
64: .getRGB() & 0xFFFFFF);
65: super .setText("<html><body text=#" + textColor + ">" + text
66: + "</body></html>");
67: }
68: }
69: }
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