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annotate dwtx/jface/viewers/TableViewerFocusCellManager.d @ 70:46a6e0e6ccd4

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Merge with d-fied sources of 3.4M7
author Frank Benoit <benoit@tionex.de>
date Thu, 22 May 2008 01:36:46 +0200
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1 /*******************************************************************************
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2 * Copyright (c) 2007, 2008 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 * Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
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11 * fix in bug: 210752
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12 * Port to the D programming language:
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13 * Frank Benoit <benoit@tionex.de>
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14 *******************************************************************************/
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16 module dwtx.jface.viewers.TableViewerFocusCellManager;
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18 import dwtx.jface.viewers.SWTFocusCellManager;
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19 import dwtx.jface.viewers.CellNavigationStrategy;
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20 import dwtx.jface.viewers.TableViewer;
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21 import dwtx.jface.viewers.FocusCellHighlighter;
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22 import dwtx.jface.viewers.ViewerCell;
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23
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24 import dwt.widgets.Table;
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25
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26 import dwt.dwthelper.utils;
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27
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28 /**
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29 * This class is responsible to provide the concept of cells for {@link Table}.
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30 * This concept is needed to provide features like editor activation with the
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31 * keyboard
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32 *
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33 * @since 3.3
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34 *
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35 */
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36 public class TableViewerFocusCellManager : SWTFocusCellManager {
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37 private static const CellNavigationStrategy TABLE_NAVIGATE;
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38 static this(){
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39 /**
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40 * Create a new manager with a default navigation strategy:
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41 * <ul>
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42 * <li><code>DWT.ARROW_UP</code>: navigate to cell above</li>
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43 * <li><code>DWT.ARROW_DOWN</code>: navigate to cell below</li>
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44 * <li><code>DWT.ARROW_RIGHT</code>: navigate to next visible cell on
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45 * the right</li>
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46 * <li><code>DWT.ARROW_LEFT</code>: navigate to next visible cell on the
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47 * left</li>
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48 * </ul>
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49 *
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50 * @param viewer
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51 * the viewer the manager is bound to
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52 * @param focusDrawingDelegate
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53 * the delegate responsible to highlight selected cell
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54 */
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55 public TableViewerFocusCellManager(TableViewer viewer,
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56 FocusCellHighlighter focusDrawingDelegate) {
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57 this(viewer, focusDrawingDelegate, TABLE_NAVIGATE);
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58 }
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59
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60 /**
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61 * Create a new manager
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62 *
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63 * @param viewer
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64 * the viewer the manager is bound to
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65 * @param focusDrawingDelegate
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66 * the delegate responsible to highlight selected cell
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67 * @param navigationStrategy
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68 * the strategy used to navigate the cells
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69 */
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70 public TableViewerFocusCellManager(TableViewer viewer,
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71 FocusCellHighlighter focusDrawingDelegate,
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72 CellNavigationStrategy navigationStrategy) {
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73 super(viewer, focusDrawingDelegate, navigationStrategy);
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74 }
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75
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76 override ViewerCell getInitialFocusCell() {
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77 Table table = cast(Table) getViewer().getControl();
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79 if (table.getItemCount() > 0) {
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80 return getViewer().getViewerRowFromItem_package(table.getItem(0))
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81 .getCell(0);
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82 }
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83
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84 return null;
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85 }
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86
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87 public ViewerCell getFocusCell() {
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88 ViewerCell cell = super.getFocusCell();
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89 Table t = (Table) getViewer().getControl();
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90
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91 // It is possible that the selection has changed under the hood
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92 if (cell !is null) {
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93 if (t.getSelection().length is 1
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94 && t.getSelection()[0] !is cell.getItem()) {
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95 setFocusCell(getViewer().getViewerRowFromItem(
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96 t.getSelection()[0]).getCell(cell.getColumnIndex()));
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97 }
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98 }
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99
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100 return super.getFocusCell();
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101 }
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102
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103 }