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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 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.jface.text.IPositionUpdater;
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14
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131
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15 import dwtx.jface.text.DocumentEvent; // packageimport
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16
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129
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17 import dwt.dwthelper.utils;
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18
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19
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20 /**
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21 * A position updater is responsible for adapting document positions. When
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22 * installed on a document, the position updater updates the document's
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23 * positions to changes applied to this document. Document updaters can be
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24 * selective, i.e. they might only update positions of a certain category.
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25 * <p>
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26 * Position updaters are of primary importance for the definition of the
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27 * semantics of positions.
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28 * <p>
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29 * Clients may implement this interface or use the standard implementation
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30 * {@link dwtx.jface.text.DefaultPositionUpdater}.
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31 * </p>
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32 *
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33 * @see dwtx.jface.text.IDocument
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34 * @see dwtx.jface.text.Position
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35 */
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36 public interface IPositionUpdater {
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37
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38 /**
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39 * Adapts positions to the change specified by the document event.
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40 * It is ensured that the document's partitioning has been adapted to
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41 * this document change and that all the position updaters which have
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42 * a smaller index in the document's position updater list have been called.
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43 *
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44 * @param event the document event describing the document change
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45 */
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46 void update(DocumentEvent event);
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47 }
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