Mercurial > projects > dwt-addons
annotate dwtx/jface/viewers/SWTFocusCellManager.d @ 192:c3583c6ec027
Added missing default cases for switch statements
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 03 Nov 2008 22:52:26 +0100 |
| parents | 5df4896124c7 |
| children |
| rev | line source |
|---|---|
| 10 | 1 /******************************************************************************* |
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parents:
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diff
changeset
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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 | |
| 10 * Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation | |
|
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parents:
10
diff
changeset
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11 * - bug fix for bug 187189, 182800, 215069 |
| 10 | 12 * Port to the D programming language: |
| 13 * Frank Benoit <benoit@tionex.de> | |
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70
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Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
14 *******************************************************************************/ |
| 10 | 15 |
| 16 module dwtx.jface.viewers.SWTFocusCellManager; | |
| 17 | |
| 18 import dwtx.jface.viewers.CellNavigationStrategy; | |
| 19 import dwtx.jface.viewers.ColumnViewer; | |
| 20 import dwtx.jface.viewers.ViewerCell; | |
| 21 import dwtx.jface.viewers.ViewerRow; | |
| 22 import dwtx.jface.viewers.FocusCellHighlighter; | |
| 23 import dwtx.jface.viewers.Viewer; | |
| 24 import dwtx.jface.viewers.ISelectionChangedListener; | |
| 25 import dwtx.jface.viewers.SelectionChangedEvent; | |
| 26 | |
| 27 import dwt.DWT; | |
| 28 import dwt.events.DisposeEvent; | |
| 29 import dwt.events.DisposeListener; | |
| 30 import dwt.graphics.Point; | |
| 31 import dwt.widgets.Event; | |
| 32 import dwt.widgets.Listener; | |
| 33 import dwtx.core.runtime.Assert; | |
| 34 | |
| 35 /** | |
| 36 * This class is responsible to provide cell management base features for the | |
| 37 * DWT-Controls {@link dwt.widgets.Table} and | |
| 38 * {@link dwt.widgets.Tree}. | |
| 39 * | |
| 40 * @since 3.3 | |
| 41 * | |
| 42 */ | |
| 43 abstract class SWTFocusCellManager { | |
| 44 | |
| 45 private CellNavigationStrategy navigationStrategy; | |
| 46 | |
| 47 private ColumnViewer viewer; | |
| 48 | |
| 49 private ViewerCell focusCell; | |
| 50 | |
| 51 private FocusCellHighlighter cellHighlighter; | |
| 52 | |
| 53 private DisposeListener itemDeletionListener; | |
| 54 | |
|
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Merge with d-fied sources of 3.4M7
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parents:
10
diff
changeset
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55 |
| 10 | 56 /** |
| 57 * @param viewer | |
| 58 * @param focusDrawingDelegate | |
| 59 * @param navigationDelegate | |
| 60 */ | |
| 61 public this(ColumnViewer viewer, | |
| 62 FocusCellHighlighter focusDrawingDelegate, | |
| 63 CellNavigationStrategy navigationDelegate) { | |
| 64 | |
| 65 itemDeletionListener = new class DisposeListener { | |
| 66 public void widgetDisposed(DisposeEvent e) { | |
| 67 setFocusCell(null); | |
| 68 } | |
| 69 }; | |
| 70 | |
| 71 this.viewer = viewer; | |
| 72 this.cellHighlighter = focusDrawingDelegate; | |
| 73 this.navigationStrategy = navigationDelegate; | |
| 74 hookListener(viewer); | |
| 75 } | |
| 76 | |
| 77 /** | |
| 78 * This method is called by the framework to initialize this cell manager. | |
| 79 */ | |
| 80 void init() { | |
| 81 this.cellHighlighter.init_package(); | |
| 82 this.navigationStrategy.init_package(); | |
| 83 } | |
| 84 | |
| 85 private void handleMouseDown(Event event) { | |
| 86 ViewerCell cell = viewer.getCell(new Point(event.x, event.y)); | |
| 87 if (cell !is null) { | |
| 88 | |
| 89 if (!cell.opEquals(focusCell)) { | |
| 90 setFocusCell(cell); | |
| 91 } | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 private void handleKeyDown(Event event) { | |
| 96 ViewerCell tmp = null; | |
| 97 | |
| 98 if (navigationStrategy.isCollapseEvent(viewer, focusCell, event)) { | |
| 99 navigationStrategy.collapse(viewer, focusCell, event); | |
| 100 } else if (navigationStrategy.isExpandEvent(viewer, focusCell, event)) { | |
| 101 navigationStrategy.expand(viewer, focusCell, event); | |
| 102 } else if (navigationStrategy.isNavigationEvent(viewer, event)) { | |
| 103 tmp = navigationStrategy.findSelectedCell(viewer, focusCell, event); | |
| 104 | |
| 105 if (tmp !is null) { | |
| 106 if (!tmp.opEquals(focusCell)) { | |
| 107 setFocusCell(tmp); | |
| 108 } | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 if (navigationStrategy.shouldCancelEvent(viewer, event)) { | |
| 113 event.doit = false; | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 private void handleSelection(Event event) { | |
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46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
118 if ((event.detail & DWT.CHECK) is 0 && focusCell !is null && focusCell.getItem() !is event.item |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
119 && event.item !is null ) { |
| 10 | 120 ViewerRow row = viewer.getViewerRowFromItem_package(event.item); |
| 121 Assert | |
| 122 .isNotNull(row, | |
| 123 "Internal Structure invalid. Row item has no row ViewerRow assigned"); //$NON-NLS-1$ | |
| 124 ViewerCell tmp = row.getCell(focusCell.getColumnIndex()); | |
| 125 if (!focusCell.opEquals(tmp)) { | |
| 126 setFocusCell(tmp); | |
| 127 } | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 private void handleFocusIn(Event event) { | |
| 132 if (focusCell is null) { | |
| 133 setFocusCell(getInitialFocusCell()); | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 abstract ViewerCell getInitialFocusCell(); | |
| 138 | |
| 139 private void hookListener(ColumnViewer viewer) { | |
| 140 Listener listener = new class Listener { | |
| 141 | |
| 142 public void handleEvent(Event event) { | |
| 143 switch (event.type) { | |
| 144 case DWT.MouseDown: | |
| 145 handleMouseDown(event); | |
| 146 break; | |
| 147 case DWT.KeyDown: | |
| 148 handleKeyDown(event); | |
| 149 break; | |
| 150 case DWT.Selection: | |
| 151 handleSelection(event); | |
| 152 break; | |
| 153 case DWT.FocusIn: | |
| 154 handleFocusIn(event); | |
| 155 break; | |
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Added missing default cases for switch statements
Frank Benoit <benoit@tionex.de>
parents:
72
diff
changeset
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156 default: |
| 10 | 157 } |
| 158 } | |
| 159 }; | |
| 160 | |
| 161 viewer.getControl().addListener(DWT.MouseDown, listener); | |
| 162 viewer.getControl().addListener(DWT.KeyDown, listener); | |
| 163 viewer.getControl().addListener(DWT.Selection, listener); | |
| 164 viewer.addSelectionChangedListener(new class ISelectionChangedListener { | |
| 165 | |
| 166 public void selectionChanged(SelectionChangedEvent event) { | |
| 167 if( event.getSelection_package.isEmpty() ) { | |
| 168 setFocusCell(null); | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 }); | |
| 173 viewer.getControl().addListener(DWT.FocusIn, listener); | |
| 174 } | |
| 175 | |
| 176 /** | |
| 177 * @return the cell with the focus | |
| 178 * | |
| 179 */ | |
| 180 public ViewerCell getFocusCell() { | |
| 181 return focusCell; | |
| 182 } | |
| 183 | |
| 184 void setFocusCell(ViewerCell focusCell) { | |
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70
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
185 ViewerCell oldCell = this.focusCell; |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
186 |
| 10 | 187 if( this.focusCell !is null && ! this.focusCell.getItem().isDisposed() ) { |
| 188 this.focusCell.getItem().removeDisposeListener(itemDeletionListener); | |
| 189 } | |
| 190 | |
| 191 this.focusCell = focusCell; | |
| 192 | |
| 193 if( this.focusCell !is null && ! this.focusCell.getItem().isDisposed() ) { | |
| 194 this.focusCell.getItem().addDisposeListener(itemDeletionListener); | |
| 195 } | |
| 196 | |
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JFace and its examples do compile
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
197 this.cellHighlighter.focusCellChanged_package(focusCell,oldCell); |
| 10 | 198 } |
| 199 | |
| 200 ColumnViewer getViewer() { | |
| 201 return viewer; | |
| 202 } | |
| 203 } |