jdk/src/share/classes/sun/tools/jconsole/HTMLPane.java
author ohair
Tue, 25 May 2010 15:58:33 -0700
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child 12851 3334e1c781d0
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6943119: Rebrand source copyright notices Reviewed-by: darcy, weijun
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/*
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 * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package sun.tools.jconsole;
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import java.awt.Color;
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import javax.swing.*;
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import javax.swing.event.*;
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import javax.swing.text.*;
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@SuppressWarnings("serial")
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public class HTMLPane extends JEditorPane {
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    private boolean hasSelection = false;
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    public HTMLPane() {
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        setContentType("text/html");
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        setEditable(false);
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        ((DefaultCaret)getCaret()).setUpdatePolicy(DefaultCaret.NEVER_UPDATE);
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        addCaretListener(new CaretListener() {
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            // Listen for selection changes
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            public void caretUpdate(CaretEvent e) {
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                setHasSelection(e.getDot() != e.getMark());
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            }
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        });
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    }
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    public synchronized void setHasSelection(boolean b) {
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        hasSelection = b;
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    }
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    public synchronized boolean getHasSelection() {
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        return hasSelection;
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    }
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    public void setText(String text) {
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        // Apply update only if a selection is not active
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        if (!getHasSelection()) {
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            // JEditorPane does not automatically pick up fg color
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            String textColor =
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                String.format("%06x", getForeground().getRGB() & 0xFFFFFF);
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            super.setText("<html><body text=#"+textColor+">" + text + "</body></html>");
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        }
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    }
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}