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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.CopyingRangeMarker;
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14
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15 import dwt.dwthelper.utils;
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16
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17 import dwtx.jface.text.BadLocationException;
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18 import dwtx.jface.text.IDocument;
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19
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20 /**
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21 * A <code>CopyingRangeMarker</code> can be used to track positions when executing
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22 * text edits. Additionally a copying range marker stores a local copy of the
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23 * text it captures when it gets executed.
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24 *
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25 * @since 3.0
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26 */
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27 public final class CopyingRangeMarker : TextEdit {
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28
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29 private String fText;
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30
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31 /**
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32 * Creates a new <tt>CopyRangeMarker</tt> for the given
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33 * offset and length.
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34 *
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35 * @param offset the marker's offset
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36 * @param length the marker's length
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37 */
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130
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38 public this(int offset, int length) {
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129
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39 super(offset, length);
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40 }
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41
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42 /*
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43 * Copy constructor
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44 */
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130
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45 private this(CopyingRangeMarker other) {
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129
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46 super(other);
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47 fText= other.fText;
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48 }
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49
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50 /*
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51 * @see TextEdit#doCopy
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52 */
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53 protected TextEdit doCopy() {
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54 return new CopyingRangeMarker(this);
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55 }
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56
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57 /*
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58 * @see TextEdit#accept0
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59 */
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60 protected void accept0(TextEditVisitor visitor) {
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61 bool visitChildren= visitor.visit(this);
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62 if (visitChildren) {
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63 acceptChildren(visitor);
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64 }
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65 }
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66
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67 /*
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68 * @see TextEdit#performDocumentUpdating
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69 */
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70 int performDocumentUpdating(IDocument document) throws BadLocationException {
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71 fText= document.get(getOffset(), getLength());
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72 fDelta= 0;
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73 return fDelta;
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74 }
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75
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76 /*
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77 * @see TextEdit#deleteChildren
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78 */
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79 bool deleteChildren() {
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80 return false;
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81 }
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82 }
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