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annotate org.eclipse.jface/src/org/eclipse/jface/viewers/ILazyContentProvider.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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1 /*******************************************************************************
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2 * Copyright (c) 2005, 2007 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:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module org.eclipse.jface.viewers.ILazyContentProvider;
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bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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15 import org.eclipse.jface.viewers.IContentProvider;
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16
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17 import java.lang.all;
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18 import java.util.Set;
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19
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20 /**
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21 * The ILazyContentProvider is the content provider
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22 * for table viewers created using the SWT.VIRTUAL flag that
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23 * only wish to return their contents as they are queried.
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24 *
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25 * <strong>NOTE:</strong> As the ILazyContentProvider does
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26 * not have API for determining the total item count any
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27 * changes to the number of items for this object while
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28 * require a call to <code>#setItemCount</code> on the
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29 * viewer that uses it.
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30 */
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31 public interface ILazyContentProvider : IContentProvider {
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32 /**
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33 * Called when a previously-blank item becomes visible in the
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34 * TableViewer. If the content provider knows the element
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35 * at this row, it should respond by calling
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36 * TableViewer#replace(Object, int).
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37 *
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38 * <strong>NOTE</strong> #updateElement(int index) can be used to determine selection
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39 * values. TableViewer#replace(Object, int) is not called before
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40 * returning from this method selections may have missing or stale elements.
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41 * In this situation it is suggested that the selection is asked
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42 * for again after he update.
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43 *
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44 * @param index The index that is being updated in the
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45 * table.
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46 */
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47 public void updateElement(int index);
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48
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49 }