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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.DeleteEdit;
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14
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131
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15 import dwtx.text.edits.MultiTextEdit; // packageimport
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16 import dwtx.text.edits.CopySourceEdit; // packageimport
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17 import dwtx.text.edits.MoveSourceEdit; // packageimport
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18 import dwtx.text.edits.CopyingRangeMarker; // packageimport
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19 import dwtx.text.edits.ReplaceEdit; // packageimport
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20 import dwtx.text.edits.EditDocument; // packageimport
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21 import dwtx.text.edits.UndoCollector; // packageimport
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22 import dwtx.text.edits.MoveTargetEdit; // packageimport
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23 import dwtx.text.edits.CopyTargetEdit; // packageimport
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24 import dwtx.text.edits.TextEditCopier; // packageimport
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25 import dwtx.text.edits.ISourceModifier; // packageimport
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26 import dwtx.text.edits.TextEditMessages; // packageimport
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27 import dwtx.text.edits.TextEditProcessor; // packageimport
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28 import dwtx.text.edits.MalformedTreeException; // packageimport
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29 import dwtx.text.edits.TreeIterationInfo; // packageimport
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30 import dwtx.text.edits.TextEditVisitor; // packageimport
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31 import dwtx.text.edits.TextEditGroup; // packageimport
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32 import dwtx.text.edits.TextEdit; // packageimport
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33 import dwtx.text.edits.RangeMarker; // packageimport
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34 import dwtx.text.edits.UndoEdit; // packageimport
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35 import dwtx.text.edits.InsertEdit; // packageimport
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36
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37
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129
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38 import dwt.dwthelper.utils;
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39
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40 import dwtx.jface.text.BadLocationException;
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41 import dwtx.jface.text.IDocument;
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42
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43 /**
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44 * Text edit to delete a range in a document.
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45 * <p>
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46 * A delete edit is equivalent to <code>ReplaceEdit(
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47 * offset, length, "")</code>.
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48 *
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49 * @since 3.0
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50 */
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51 public final class DeleteEdit : TextEdit {
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52
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53 /**
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54 * Constructs a new delete edit.
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55 *
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56 * @param offset the offset of the range to replace
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57 * @param length the length of the range to replace
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58 */
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130
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59 public this(int offset, int length) {
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129
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60 super(offset, length);
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61 }
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62
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63 /*
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64 * Copy constructor
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65 */
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130
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66 private this(DeleteEdit other) {
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129
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67 super(other);
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68 }
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69
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70 /*
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71 * @see TextEdit#doCopy
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72 */
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73 protected TextEdit doCopy() {
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74 return new DeleteEdit(this);
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75 }
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76
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77 /*
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78 * @see TextEdit#accept0
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79 */
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80 protected void accept0(TextEditVisitor visitor) {
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81 bool visitChildren= visitor.visit(this);
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82 if (visitChildren) {
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83 acceptChildren(visitor);
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84 }
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85 }
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86
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87 /*
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88 * @see TextEdit#performDocumentUpdating
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89 */
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90 int performDocumentUpdating(IDocument document) throws BadLocationException {
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91 document.replace(getOffset(), getLength(), ""); //$NON-NLS-1$
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92 fDelta= -getLength();
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93 return fDelta;
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94 }
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95
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96 /*
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97 * @see TextEdit#deleteChildren
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98 */
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99 bool deleteChildren() {
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100 return true;
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101 }
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102 }
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