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comparison org.eclipse.jface/src/org/eclipse/jface/viewers/TableViewerFocusCellManager.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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11:43904fec5dca 12:bc29606a740c
1 /*******************************************************************************
2 * Copyright (c) 2007, 2008 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
11 * fix in bug: 210752
12 * Port to the D programming language:
13 * Frank Benoit <benoit@tionex.de>
14 *******************************************************************************/
15
16 module org.eclipse.jface.viewers.TableViewerFocusCellManager;
17
18 import org.eclipse.jface.viewers.SWTFocusCellManager;
19 import org.eclipse.jface.viewers.CellNavigationStrategy;
20 import org.eclipse.jface.viewers.TableViewer;
21 import org.eclipse.jface.viewers.FocusCellHighlighter;
22 import org.eclipse.jface.viewers.ViewerCell;
23
24 import org.eclipse.swt.widgets.Table;
25
26 import java.lang.all;
27 import java.util.Set;
28
29 /**
30 * This class is responsible to provide the concept of cells for {@link Table}.
31 * This concept is needed to provide features like editor activation with the
32 * keyboard
33 *
34 * @since 3.3
35 *
36 */
37 public class TableViewerFocusCellManager : SWTFocusCellManager {
38 private static const CellNavigationStrategy TABLE_NAVIGATE;
39 static this(){
40 TABLE_NAVIGATE = new CellNavigationStrategy();
41 }
42
43 /**
44 * Create a new manager with a default navigation strategy:
45 * <ul>
46 * <li><code>SWT.ARROW_UP</code>: navigate to cell above</li>
47 * <li><code>SWT.ARROW_DOWN</code>: navigate to cell below</li>
48 * <li><code>SWT.ARROW_RIGHT</code>: navigate to next visible cell on
49 * the right</li>
50 * <li><code>SWT.ARROW_LEFT</code>: navigate to next visible cell on the
51 * left</li>
52 * </ul>
53 *
54 * @param viewer
55 * the viewer the manager is bound to
56 * @param focusDrawingDelegate
57 * the delegate responsible to highlight selected cell
58 */
59 public this(TableViewer viewer,
60 FocusCellHighlighter focusDrawingDelegate) {
61 this(viewer, focusDrawingDelegate, TABLE_NAVIGATE);
62 }
63
64 /**
65 * Create a new manager
66 *
67 * @param viewer
68 * the viewer the manager is bound to
69 * @param focusDrawingDelegate
70 * the delegate responsible to highlight selected cell
71 * @param navigationStrategy
72 * the strategy used to navigate the cells
73 * @since 3.4
74 */
75 public this(TableViewer viewer,
76 FocusCellHighlighter focusDrawingDelegate,
77 CellNavigationStrategy navigationStrategy) {
78 super(viewer, focusDrawingDelegate, navigationStrategy);
79 }
80
81 override ViewerCell getInitialFocusCell() {
82 Table table = cast(Table) getViewer().getControl();
83
84 if (! table.isDisposed() && table.getItemCount() > 0 && ! table.getItem(0).isDisposed()) {
85 return getViewer().getViewerRowFromItem_package(table.getItem(0))
86 .getCell(0);
87 }
88
89 return null;
90 }
91
92 public ViewerCell getFocusCell() {
93 ViewerCell cell = super.getFocusCell();
94 Table t = cast(Table) getViewer().getControl();
95
96 // It is possible that the selection has changed under the hood
97 if (cell !is null) {
98 if (t.getSelection().length is 1
99 && t.getSelection()[0] !is cell.getItem()) {
100 setFocusCell(getViewer().getViewerRowFromItem_package(
101 t.getSelection()[0]).getCell(cell.getColumnIndex()));
102 }
103 }
104
105 return super.getFocusCell();
106 }
107
108 }