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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.text.edits.ReplaceEdit;
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14
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15 import dwt.dwthelper.utils;
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16
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17
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18 import dwtx.core.runtime.Assert;
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19 import dwtx.jface.text.BadLocationException;
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20 import dwtx.jface.text.IDocument;
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21
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22 /**
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23 * Text edit to replace a range in a document with a different
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24 * string.
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25 *
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26 * @since 3.0
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27 */
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28 public final class ReplaceEdit : TextEdit {
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29
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30 private String fText;
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31
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32 /**
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33 * Constructs a new replace edit.
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34 *
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35 * @param offset the offset of the range to replace
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36 * @param length the length of the range to replace
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37 * @param text the new text
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38 */
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130
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39 public this(int offset, int length, String text) {
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129
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40 super(offset, length);
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41 Assert.isNotNull(text);
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42 fText= text;
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43 }
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44
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45 /*
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46 * Copy constructor
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47 *
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48 * @param other the edit to copy from
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49 */
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130
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50 private this(ReplaceEdit other) {
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129
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51 super(other);
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52 fText= other.fText;
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53 }
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54
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55 /**
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56 * Returns the new text replacing the text denoted
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57 * by the edit.
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58 *
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59 * @return the edit's text.
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60 */
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61 public String getText() {
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62 return fText;
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63 }
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64
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65 /*
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66 * @see TextEdit#doCopy
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67 */
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68 protected TextEdit doCopy() {
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69 return new ReplaceEdit(this);
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70 }
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71
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72 /*
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73 * @see TextEdit#accept0
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74 */
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75 protected void accept0(TextEditVisitor visitor) {
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76 bool visitChildren= visitor.visit(this);
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77 if (visitChildren) {
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78 acceptChildren(visitor);
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79 }
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80 }
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81
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82 /*
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83 * @see TextEdit#performDocumentUpdating
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84 */
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85 int performDocumentUpdating(IDocument document) throws BadLocationException {
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86 document.replace(getOffset(), getLength(), fText);
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87 fDelta= fText.length() - getLength();
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88 return fDelta;
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89 }
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90
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91 /*
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92 * @see TextEdit#deleteChildren
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93 */
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94 bool deleteChildren() {
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95 return true;
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96 }
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97
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98 /*
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99 * @see dwtx.text.edits.TextEdit#internalToString(java.lang.StringBuffer, int)
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100 * @since 3.3
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101 */
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102 void internalToString(StringBuffer buffer, int indent) {
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103 super.internalToString(buffer, indent);
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104 buffer.append(" <<").append(fText); //$NON-NLS-1$
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105 }
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106 }
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