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1 /*
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2 * Copyright 2004 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.ui;
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26
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27 import java.io.*;
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28 import java.awt.event.*;
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29 import java.awt.im.InputContext;
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30 import java.awt.datatransfer.*;
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31 import javax.swing.*;
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32 import javax.swing.event.*;
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33 import javax.swing.text.*;
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34
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35 /** A simple subclass of JEditorPane for displaying uneditable html
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36 */
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37
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38 public class SAEditorPane extends JEditorPane {
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39
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40 public SAEditorPane() {
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41 setEditable(false);
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42 setContentType("text/html");
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43 }
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44
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45 /**
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46 Override getSelectedText so that <br> elements produce \n when
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47 text is copied out of the window.
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48 */
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49
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50 public String getSelectedText() {
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51 StringBuffer result = new StringBuffer();
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52 Document doc = getDocument();
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53
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54 int start = getSelectionStart();
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55 int end = getSelectionEnd();
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56
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57 try {
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58 // Create an iterator using the root element
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59 ElementIterator it = new ElementIterator(doc.getDefaultRootElement());
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60
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61 // Iterate all content elements (which are leaves)
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62 Element e;
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63 String separator = System.getProperty("line.separator");
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64 while ((e = it.next()) != null) {
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65 if (e.isLeaf()) {
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66 int rangeStart = e.getStartOffset();
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67 int rangeEnd = e.getEndOffset();
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68
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69 if (rangeEnd < start || rangeStart > end) continue;
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70 if (end < rangeEnd) rangeEnd = end;
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71 if (start > rangeStart) rangeStart = start;
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72 try {
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73 String line = getText(rangeStart, rangeEnd-rangeStart);
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74 if (e.getName().equals("br"))
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75 result.append(separator);
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76 else
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77 result.append(line);
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78 } catch (BadLocationException ex) {
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79 }
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80 }
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81 }
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82 } catch (Exception e) {
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83 e.printStackTrace();
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84 }
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85 return result.toString();
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86 }
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87
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88 public void setText(String text) {
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89 super.setText(text);
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90 // put the cursor at the top instead of leaving it at the end.
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91 setCaretPosition(0);
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92 }
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93 }
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