Mercurial > projects > dwt-addons
annotate dwtx/jface/viewers/ListViewer.d @ 90:7ffeace6c47f
Update 3.4M7 to 3.4
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 06 Jul 2008 23:30:07 +0200 |
| parents | ea8ff534f622 |
| children | 04b47443bb01 |
| rev | line source |
|---|---|
| 10 | 1 /******************************************************************************* |
| 90 | 2 * Copyright (c) 2000, 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 * Brad Reynolds - bug 141435 | |
| 11 * Tom Schindl <tom.schindl@bestsolution.at> - bug 157309, 177619 | |
| 12 * Port to the D programming language: | |
| 13 * Frank Benoit <benoit@tionex.de> | |
| 14 *******************************************************************************/ | |
| 15 | |
| 16 module dwtx.jface.viewers.ListViewer; | |
| 17 | |
| 18 import dwtx.jface.viewers.AbstractListViewer; | |
| 19 | |
| 20 import tango.util.collection.model.SeqView; | |
| 21 | |
| 22 import dwt.DWT; | |
| 23 import dwt.graphics.Rectangle; | |
| 24 import dwt.widgets.Composite; | |
| 25 import dwt.widgets.Control; | |
| 26 static import dwt.widgets.List; | |
| 27 import dwtx.core.runtime.Assert; | |
| 28 | |
| 29 import dwt.dwthelper.utils; | |
| 30 | |
| 31 /** | |
| 32 * A concrete viewer based on an DWT <code>List</code> control. | |
| 33 * <p> | |
| 34 * This class is not intended to be subclassed. It is designed to be | |
| 35 * instantiated with a pre-existing DWT <code>List</code> control and configured | |
| 36 * with a domain-specific content provider, label provider, element filter (optional), | |
| 37 * and element sorter (optional). | |
| 38 * <p> | |
| 39 * Note that the DWT <code>List</code> control only supports the display of strings, not icons. | |
| 40 * If you need to show icons for items, use <code>TableViewer</code> instead. | |
| 41 * </p> | |
| 42 * | |
| 43 * @see TableViewer | |
| 90 | 44 * @noextend This class is not intended to be subclassed by clients. |
| 10 | 45 */ |
| 46 public class ListViewer : AbstractListViewer { | |
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47 alias AbstractListViewer.setSelectionToWidget setSelectionToWidget; |
| 10 | 48 |
| 49 /** | |
| 50 * This viewer's list control. | |
| 51 */ | |
| 52 private dwt.widgets.List.List list; | |
| 53 | |
| 54 /** | |
| 55 * Creates a list viewer on a newly-created list control under the given parent. | |
| 56 * The list control is created using the DWT style bits <code>MULTI, H_SCROLL, V_SCROLL,</code> and <code>BORDER</code>. | |
| 57 * The viewer has no input, no content provider, a default label provider, | |
| 58 * no sorter, and no filters. | |
| 59 * | |
| 60 * @param parent the parent control | |
| 61 */ | |
| 62 public this(Composite parent) { | |
| 63 this(parent, DWT.MULTI | DWT.H_SCROLL | DWT.V_SCROLL | DWT.BORDER); | |
| 64 } | |
| 65 | |
| 66 /** | |
| 67 * Creates a list viewer on a newly-created list control under the given parent. | |
| 68 * The list control is created using the given DWT style bits. | |
| 69 * The viewer has no input, no content provider, a default label provider, | |
| 70 * no sorter, and no filters. | |
| 71 * | |
| 72 * @param parent the parent control | |
| 73 * @param style the DWT style bits | |
| 74 */ | |
| 75 public this(Composite parent, int style) { | |
| 76 this(new dwt.widgets.List.List(parent, style)); | |
| 77 } | |
| 78 | |
| 79 /** | |
| 80 * Creates a list viewer on the given list control. | |
| 81 * The viewer has no input, no content provider, a default label provider, | |
| 82 * no sorter, and no filters. | |
| 83 * | |
| 84 * @param list the list control | |
| 85 */ | |
| 86 public this(dwt.widgets.List.List list) { | |
| 87 this.list = list; | |
| 88 hookControl(list); | |
| 89 } | |
| 90 | |
| 91 /* (non-Javadoc) | |
| 92 * Method declared on Viewer. | |
| 93 */ | |
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94 public override Control getControl() { |
| 10 | 95 return list; |
| 96 } | |
| 97 | |
| 98 /** | |
| 99 * Returns this list viewer's list control. | |
| 100 * | |
| 101 * @return the list control | |
| 102 */ | |
| 103 public dwt.widgets.List.List getList() { | |
| 104 return list; | |
| 105 } | |
| 106 | |
| 107 /* | |
| 108 * Non-Javadoc. | |
| 109 * Method defined on StructuredViewer. | |
| 110 */ | |
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111 public override void reveal(Object element) { |
| 10 | 112 Assert.isNotNull(element); |
| 113 int index = getElementIndex(element); | |
| 114 if (index is -1) { | |
| 115 return; | |
| 116 } | |
| 117 // algorithm patterned after List.showSelection() | |
| 118 int count = list.getItemCount(); | |
| 119 if (count is 0) { | |
| 120 return; | |
| 121 } | |
| 122 int height = list.getItemHeight(); | |
| 123 Rectangle rect = list.getClientArea(); | |
| 124 int topIndex = list.getTopIndex(); | |
| 125 int visibleCount = Math.max(rect.height / height, 1); | |
| 126 int bottomIndex = Math.min(topIndex + visibleCount, count) - 1; | |
| 127 if ((topIndex <= index) && (index <= bottomIndex)) { | |
| 128 return; | |
| 129 } | |
| 130 int newTop = Math.min(Math.max(index - (visibleCount / 2), 0), | |
| 131 count - 1); | |
| 132 list.setTopIndex(newTop); | |
| 133 } | |
| 134 | |
| 135 /* (non-Javadoc) | |
| 136 * @see dwtx.jface.viewers.AbstractListViewer#listAdd(java.lang.String, int) | |
| 137 */ | |
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138 protected override void listAdd(String string, int index) { |
| 10 | 139 list.add(string, index); |
| 140 } | |
| 141 | |
| 142 /* (non-Javadoc) | |
| 143 * @see dwtx.jface.viewers.AbstractListViewer#listSetItem(int, java.lang.String) | |
| 144 */ | |
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145 protected override void listSetItem(int index, String string) { |
| 10 | 146 list.setItem(index, string); |
| 147 } | |
| 148 | |
| 149 /* (non-Javadoc) | |
| 150 * @see dwtx.jface.viewers.AbstractListViewer#listGetSelectionIndices() | |
| 151 */ | |
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152 protected override int[] listGetSelectionIndices() { |
| 10 | 153 return list.getSelectionIndices(); |
| 154 } | |
| 155 | |
| 156 /* (non-Javadoc) | |
| 157 * @see dwtx.jface.viewers.AbstractListViewer#listGetItemCount() | |
| 158 */ | |
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parents:
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159 protected override int listGetItemCount() { |
| 10 | 160 return list.getItemCount(); |
| 161 } | |
| 162 | |
| 163 /* (non-Javadoc) | |
| 164 * @see dwtx.jface.viewers.AbstractListViewer#listSetItems(java.lang.String[]) | |
| 165 */ | |
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parents:
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166 protected override void listSetItems(String[] labels) { |
| 10 | 167 list.setItems(labels); |
| 168 } | |
| 169 | |
| 170 /* (non-Javadoc) | |
| 171 * @see dwtx.jface.viewers.AbstractListViewer#listRemoveAll() | |
| 172 */ | |
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173 protected override void listRemoveAll() { |
| 10 | 174 list.removeAll(); |
| 175 } | |
| 176 | |
| 177 /* (non-Javadoc) | |
| 178 * @see dwtx.jface.viewers.AbstractListViewer#listRemove(int) | |
| 179 */ | |
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parents:
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180 protected override void listRemove(int index) { |
| 10 | 181 list.remove(index); |
| 182 } | |
| 183 | |
| 184 /* (non-Javadoc) | |
| 185 * @see dwtx.jface.viewers.AbstractListViewer#listSelectAndShow(int[]) | |
| 186 */ | |
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parents:
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diff
changeset
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187 protected override void listSetSelection(int[] ixs) { |
| 10 | 188 list.setSelection(ixs); |
| 189 } | |
| 190 | |
| 191 /* (non-Javadoc) | |
| 192 * @see dwtx.jface.viewers.AbstractListViewer#listDeselectAll() | |
| 193 */ | |
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194 protected override void listDeselectAll() { |
| 10 | 195 list.deselectAll(); |
| 196 } | |
| 197 | |
| 198 /* (non-Javadoc) | |
| 199 * @see dwtx.jface.viewers.AbstractListViewer#listShowSelection() | |
| 200 */ | |
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ea8ff534f622
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parents:
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diff
changeset
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201 protected override void listShowSelection() { |
| 10 | 202 list.showSelection(); |
| 203 } | |
| 204 | |
| 205 /* (non-Javadoc) | |
| 206 * @see dwtx.jface.viewers.AbstractListViewer#listGetTopIndex() | |
| 207 */ | |
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43
ea8ff534f622
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parents:
10
diff
changeset
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208 protected override int listGetTopIndex() { |
| 10 | 209 return list.getTopIndex(); |
| 210 } | |
| 211 | |
| 212 /* | |
| 213 * (non-Javadoc) | |
| 214 * @see dwtx.jface.viewers.AbstractListViewer#listSetTopIndex(int) | |
| 215 */ | |
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43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
216 protected override void listSetTopIndex(int index) { |
| 10 | 217 list.setTopIndex(index); |
| 218 } | |
| 219 | |
| 220 /* (non-Javadoc) | |
| 221 * @see dwtx.jface.viewers.AbstractListViewer#setSelectionToWidget(java.util.List, bool) | |
| 222 */ | |
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43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
223 protected override void setSelectionToWidget(SeqView!(Object) in_, bool reveal) { |
| 10 | 224 if( reveal ) { |
| 225 super.setSelectionToWidget(in_, reveal); | |
| 226 } else { | |
| 227 if (in_ is null || in_.size() is 0) { // clear selection | |
| 228 list.deselectAll(); | |
| 229 } else { | |
| 230 int n = in_.size(); | |
| 231 int[] ixs = new int[n]; | |
| 232 int count = 0; | |
| 233 for (int i = 0; i < n; ++i) { | |
| 234 Object el = in_.get(i); | |
| 235 int ix = getElementIndex(el); | |
| 236 if (ix >= 0) { | |
| 237 ixs[count++] = ix; | |
| 238 } | |
| 239 } | |
| 240 if (count < n) { | |
| 241 System.arraycopy(ixs, 0, ixs = new int[count], 0, count); | |
| 242 } | |
| 243 list.deselectAll(); | |
| 244 list.select(ixs); | |
| 245 } | |
| 246 } | |
| 247 } | |
| 248 | |
| 249 | |
| 250 } |