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The HTMLPane.java Java example source code
/*
* Copyright (c) 2006, 2012, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.tools.jconsole;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
@SuppressWarnings("serial")
public class HTMLPane extends JEditorPane {
private boolean hasSelection = false;
public HTMLPane() {
setContentType("text/html");
setEditable(false);
((DefaultCaret)getCaret()).setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
addCaretListener(new CaretListener() {
// Listen for selection changes
public void caretUpdate(CaretEvent e) {
setHasSelection(e.getDot() != e.getMark());
}
});
}
public synchronized void setHasSelection(boolean b) {
hasSelection = b;
}
public synchronized boolean getHasSelection() {
return hasSelection;
}
public void setText(String text) {
// Apply update only if a selection is not active
if (!getHasSelection()) {
// JEditorPane does not automatically pick up fg color
String textColor =
String.format("%06x", getForeground().getRGB() & 0xFFFFFF);
super.setText("<html>" + text + " |