1/*
2 * Copyright (c) 2006, 2012, 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
26package sun.tools.jconsole;
27
28import javax.swing.*;
29import javax.swing.event.*;
30import javax.swing.text.*;
31
32@SuppressWarnings("serial")
33public 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}
66