Mercurial > projects > dwt-addons
annotate dwtx/jface/viewers/TreeViewerFocusCellManager.d @ 71:4878bef4a38e
Some fixing
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Thu, 22 May 2008 04:03:58 +0200 |
| parents | 46a6e0e6ccd4 |
| children | 5df4896124c7 |
| rev | line source |
|---|---|
| 10 | 1 /******************************************************************************* |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
2 * Copyright (c) 2007, 2008 IBM Corporation and others. |
| 10 | 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 | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
10 * Tom Schindl<tom.schindl@bestsolution.at> - initial API and implementation |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
11 * - fix in bug: 195908, 210752 |
| 10 | 12 * Port to the D programming language: |
| 13 * Frank Benoit <benoit@tionex.de> | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
14 *******************************************************************************/ |
| 10 | 15 |
| 16 module dwtx.jface.viewers.TreeViewerFocusCellManager; | |
| 17 | |
| 18 import dwtx.jface.viewers.SWTFocusCellManager; | |
| 19 import dwtx.jface.viewers.CellNavigationStrategy; | |
| 20 import dwtx.jface.viewers.TreeViewer; | |
| 21 import dwtx.jface.viewers.FocusCellHighlighter; | |
| 22 import dwtx.jface.viewers.ViewerCell; | |
| 23 import dwtx.jface.viewers.ColumnViewer; | |
| 24 | |
| 25 import dwt.DWT; | |
| 26 import dwt.widgets.Event; | |
| 27 import dwt.widgets.Item; | |
| 28 import dwt.widgets.Tree; | |
| 29 import dwt.widgets.TreeItem; | |
| 30 | |
| 31 import dwt.dwthelper.utils; | |
| 32 | |
| 33 /** | |
| 34 * This class is responsible to provide the concept of cells for {@link Tree}. | |
| 35 * This concept is needed to provide features like editor activation with the | |
| 36 * keyboard | |
| 37 * | |
| 38 * @since 3.3 | |
| 39 * | |
| 40 */ | |
| 41 public class TreeViewerFocusCellManager : SWTFocusCellManager { | |
| 42 private static /+final+/ CellNavigationStrategy TREE_NAVIGATE; | |
| 43 static this(){ | |
| 44 TREE_NAVIGATE = new class CellNavigationStrategy { | |
| 45 public void collapse(ColumnViewer viewer, ViewerCell cellToCollapse, | |
| 46 Event event) { | |
| 47 if (cellToCollapse !is null) { | |
| 48 (cast(TreeItem) cellToCollapse.getItem()).setExpanded(false); | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 public void expand(ColumnViewer viewer, ViewerCell cellToExpand, | |
| 53 Event event) { | |
| 54 if (cellToExpand !is null) { | |
| 55 TreeViewer v = cast(TreeViewer) viewer; | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
56 v.setExpandedState(v.getTreePathFromItem_package(cast(Item)cellToExpand |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
57 .getItem()), true); |
| 10 | 58 } |
| 59 } | |
| 60 | |
| 61 public bool isCollapseEvent(ColumnViewer viewer, | |
| 62 ViewerCell cellToCollapse, Event event) { | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
63 |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
64 if (cellToCollapse is null) { |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
65 return false; |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
66 } |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
67 |
| 10 | 68 return cellToCollapse !is null |
| 71 | 69 && (cast(TreeItem) cellToCollapse.getItem()).getExpanded() |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
70 && event.keyCode is DWT.ARROW_LEFT |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
71 && isFirstColumnCell(cellToCollapse); |
| 10 | 72 } |
| 73 | |
| 74 public bool isExpandEvent(ColumnViewer viewer, | |
| 75 ViewerCell cellToExpand, Event event) { | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
76 |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
77 if (cellToExpand is null) { |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
78 return false; |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
79 } |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
80 |
| 10 | 81 return cellToExpand !is null |
| 71 | 82 && (cast(TreeItem) cellToExpand.getItem()).getItemCount() > 0 |
| 83 && !(cast(TreeItem) cellToExpand.getItem()).getExpanded() | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
84 && event.keyCode is DWT.ARROW_RIGHT |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
85 && isFirstColumnCell(cellToExpand); |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
86 } |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
87 |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
88 private bool isFirstColumnCell(ViewerCell cell) { |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
89 return cell.getViewerRow().getVisualIndex(cell.getColumnIndex()) is 0; |
| 10 | 90 } |
| 91 }; | |
| 71 | 92 } |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
93 |
| 10 | 94 /** |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
95 * Create a new manager using a default navigation strategy: |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
96 * <ul> |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
97 * <li><code>DWT.ARROW_UP</code>: navigate to cell above</li> |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
98 * <li><code>DWT.ARROW_DOWN</code>: navigate to cell below</li> |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
99 * <li><code>DWT.ARROW_RIGHT</code>: on first column (collapses if item |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
100 * is expanded) else navigate to next visible cell on the right</li> |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
101 * <li><code>DWT.ARROW_LEFT</code>: on first column (expands if item is |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
102 * collapsed) else navigate to next visible cell on the left</li> |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
103 * </ul> |
| 10 | 104 * |
| 105 * @param viewer | |
| 106 * the viewer the manager is bound to | |
| 107 * @param focusDrawingDelegate | |
| 108 * the delegate responsible to highlight selected cell | |
| 109 */ | |
| 110 public this(TreeViewer viewer, | |
| 111 FocusCellHighlighter focusDrawingDelegate) { | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
112 this(viewer, focusDrawingDelegate, TREE_NAVIGATE); |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
113 } |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
114 |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
115 /** |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
116 * Create a new manager with a custom navigation strategy |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
117 * |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
118 * @param viewer |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
119 * the viewer the manager is bound to |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
120 * @param focusDrawingDelegate |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
121 * the delegate responsible to highlight selected cell |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
122 * @param navigationStrategy |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
123 * the strategy used to navigate the cells |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
124 */ |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
125 public this(TreeViewer viewer, |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
126 FocusCellHighlighter focusDrawingDelegate, |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
127 CellNavigationStrategy navigationStrategy) { |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
128 super(viewer, focusDrawingDelegate, navigationStrategy); |
| 10 | 129 } |
| 130 | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
131 override ViewerCell getInitialFocusCell() { |
| 10 | 132 Tree tree = cast(Tree) getViewer().getControl(); |
| 133 | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
134 if (tree.getItemCount() > 0) { |
| 10 | 135 return getViewer().getViewerRowFromItem_package(tree.getItem(0)).getCell(0); |
| 136 } | |
| 137 | |
| 138 return null; | |
| 139 } | |
|
70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
140 |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
141 public ViewerCell getFocusCell() { |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
142 ViewerCell cell = super.getFocusCell(); |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
143 Tree t = (Tree) getViewer().getControl(); |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
144 |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
145 // It is possible that the selection has changed under the hood |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
146 if (cell !is null) { |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
147 if (t.getSelection().length is 1 |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
148 && t.getSelection()[0] !is cell.getItem()) { |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
149 setFocusCell(getViewer().getViewerRowFromItem( |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
150 t.getSelection()[0]).getCell(cell.getColumnIndex())); |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
151 } |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
152 } |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
153 |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
154 return super.getFocusCell(); |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
155 } |
| 10 | 156 } |