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 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()).setUpdatePolicy(DefaultCaret.NEVER_UPDATE); 42 addCaretListener(new CaretListener() { 43 // Listen for selection changes 44 public void caretUpdate(CaretEvent e) { 45 setHasSelection(e.getDot() != e.getMark()); 46 } 47 }); 48 } 49 50 public synchronized void setHasSelection(boolean b) { 51 hasSelection = b; 52 } 53 54 public synchronized boolean getHasSelection() { 55 return hasSelection; 56 } 57 58 public void setText(String text) { 59 // Apply update only if a selection is not active 60 if (!getHasSelection()) { 61 // JEditorPane does not automatically pick up fg color 62 String textColor = 63 String.format("%06x", getForeground().getRGB() & 0xFFFFFF); 64 super.setText("<html><body text=#"+textColor+">" + text + "</body></html>"); 65 } 66 } 67 }