Mercurial > projects > dwt-addons
annotate dwtx/jface/viewers/WrappedViewerLabelProvider.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 | a6683645b0d7 |
| children |
| rev | line source |
|---|---|
| 10 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2006, 2007 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 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 | |
| 14 module dwtx.jface.viewers.WrappedViewerLabelProvider; | |
| 15 | |
| 16 import dwtx.jface.viewers.ColumnLabelProvider; | |
| 17 import dwtx.jface.viewers.ILabelProvider; | |
| 18 import dwtx.jface.viewers.IColorProvider; | |
| 19 import dwtx.jface.viewers.IFontProvider; | |
| 20 import dwtx.jface.viewers.IViewerLabelProvider; | |
| 21 import dwtx.jface.viewers.ITreePathLabelProvider; | |
| 22 import dwtx.jface.viewers.IBaseLabelProvider; | |
| 23 import dwtx.jface.viewers.ViewerCell; | |
| 24 import dwtx.jface.viewers.ViewerLabel; | |
| 25 import dwtx.jface.viewers.LabelProvider; | |
| 26 import dwtx.jface.viewers.TreePath; | |
| 27 | |
| 28 import dwt.graphics.Color; | |
| 29 import dwt.graphics.Font; | |
| 30 import dwt.graphics.Image; | |
| 31 import dwtx.core.runtime.Assert; | |
| 32 | |
| 33 import dwt.dwthelper.utils; | |
| 34 | |
| 35 /** | |
| 36 * The WrappedViewerLabelProvider is a label provider that allows | |
| 37 * {@link ILabelProvider}, {@link IColorProvider} and {@link IFontProvider} to | |
| 38 * be mapped to a ColumnLabelProvider. | |
| 39 * | |
| 40 * @since 3.3 | |
| 41 * | |
| 42 */ | |
| 43 class WrappedViewerLabelProvider : ColumnLabelProvider { | |
| 44 | |
| 45 private static ILabelProvider defaultLabelProvider; | |
| 46 | |
| 47 static this(){ | |
| 48 defaultLabelProvider = new LabelProvider(); | |
| 49 } | |
| 50 | |
| 51 private ILabelProvider labelProvider; | |
| 52 | |
| 53 private IColorProvider colorProvider; | |
| 54 | |
| 55 private IFontProvider fontProvider; | |
| 56 | |
| 57 private IViewerLabelProvider viewerLabelProvider; | |
| 58 | |
| 59 private ITreePathLabelProvider treePathLabelProvider; | |
| 60 | |
| 61 /** | |
| 62 * Create a new instance of the receiver based on labelProvider. | |
| 63 * | |
| 64 * @param labelProvider | |
| 65 */ | |
| 66 public this(IBaseLabelProvider labelProvider) { | |
|
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67 this.labelProvider = defaultLabelProvider; |
| 10 | 68 super(); |
| 69 setProviders(cast(Object)labelProvider); | |
| 70 } | |
| 71 | |
| 72 /** | |
| 73 * Set the any providers for the receiver that can be adapted from provider. | |
| 74 * | |
| 75 * @param provider | |
| 76 * {@link Object} | |
| 77 */ | |
| 78 public void setProviders(Object provider) { | |
| 79 if ( auto c = cast(ITreePathLabelProvider)provider ) | |
| 80 treePathLabelProvider = c; | |
| 81 | |
| 82 if ( auto c = cast(IViewerLabelProvider)provider ) | |
| 83 viewerLabelProvider = c; | |
| 84 | |
| 85 if ( auto c = cast(ILabelProvider)provider ) | |
| 86 labelProvider = c; | |
| 87 | |
| 88 if ( auto c = cast(IColorProvider)provider ) | |
| 89 colorProvider = c; | |
| 90 | |
| 91 if ( auto c = cast(IFontProvider)provider ) | |
| 92 fontProvider = c; | |
| 93 | |
| 94 } | |
| 95 | |
| 96 /* | |
| 97 * (non-Javadoc) | |
| 98 * | |
| 99 * @see dwtx.jface.viewers.IFontProvider#getFont(java.lang.Object) | |
| 100 */ | |
|
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101 public override Font getFont(Object element) { |
| 10 | 102 if (fontProvider is null) { |
| 103 return null; | |
| 104 } | |
| 105 | |
| 106 return fontProvider.getFont(element); | |
| 107 | |
| 108 } | |
| 109 | |
| 110 /* | |
| 111 * (non-Javadoc) | |
| 112 * | |
| 113 * @see dwtx.jface.viewers.IColorProvider#getBackground(java.lang.Object) | |
| 114 */ | |
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changeset
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115 public override Color getBackground(Object element) { |
| 10 | 116 if (colorProvider is null) { |
| 117 return null; | |
| 118 } | |
| 119 | |
| 120 return colorProvider.getBackground(element); | |
| 121 } | |
| 122 | |
| 123 /* | |
| 124 * (non-Javadoc) | |
| 125 * | |
| 126 * @see dwtx.jface.viewers.ILabelProvider#getText(java.lang.Object) | |
| 127 */ | |
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128 public override String getText(Object element) { |
| 10 | 129 return getLabelProvider().getText(element); |
| 130 } | |
| 131 | |
| 132 /* | |
| 133 * (non-Javadoc) | |
| 134 * | |
| 135 * @see dwtx.jface.viewers.ILabelProvider#getImage(java.lang.Object) | |
| 136 */ | |
|
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parents:
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diff
changeset
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137 public override Image getImage(Object element) { |
| 10 | 138 return getLabelProvider().getImage(element); |
| 139 } | |
| 140 | |
| 141 /* | |
| 142 * (non-Javadoc) | |
| 143 * | |
| 144 * @see dwtx.jface.viewers.IColorProvider#getForeground(java.lang.Object) | |
| 145 */ | |
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ea8ff534f622
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parents:
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diff
changeset
|
146 public override Color getForeground(Object element) { |
| 10 | 147 if (colorProvider is null) { |
| 148 return null; | |
| 149 } | |
| 150 | |
| 151 return colorProvider.getForeground(element); | |
| 152 } | |
| 153 | |
| 154 /** | |
| 155 * Get the label provider | |
| 156 * | |
| 157 * @return {@link ILabelProvider} | |
| 158 */ | |
| 159 ILabelProvider getLabelProvider() { | |
| 160 return labelProvider; | |
| 161 } | |
| 162 | |
| 163 /** | |
| 164 * Get the color provider | |
| 165 * | |
| 166 * @return {@link IColorProvider} | |
| 167 */ | |
| 168 IColorProvider getColorProvider() { | |
| 169 return colorProvider; | |
| 170 } | |
| 171 | |
| 172 /** | |
| 173 * Get the font provider | |
| 174 * | |
| 175 * @return {@link IFontProvider}. | |
| 176 */ | |
| 177 IFontProvider getFontProvider() { | |
| 178 return fontProvider; | |
| 179 } | |
| 180 | |
|
43
ea8ff534f622
Fix override and super aliases
Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
|
181 public override void update(ViewerCell cell) { |
| 10 | 182 Object element = cell.getElement(); |
| 183 if(viewerLabelProvider is null && treePathLabelProvider is null){ | |
| 184 // inlined super implementation with performance optimizations | |
| 185 cell.setText(getText(element)); | |
| 186 Image image = getImage(element); | |
| 187 cell.setImage(image); | |
| 188 if (colorProvider !is null) { | |
| 189 cell.setBackground(getBackground(element)); | |
| 190 cell.setForeground(getForeground(element)); | |
| 191 } | |
| 192 if (fontProvider !is null) { | |
| 193 cell.setFont(getFont(element)); | |
| 194 } | |
| 195 return; | |
| 196 } | |
| 197 | |
| 198 ViewerLabel label = new ViewerLabel(cell.getText(), cell.getImage()); | |
| 199 | |
| 200 if (treePathLabelProvider !is null) { | |
| 201 TreePath treePath = cell.getViewerRow().getTreePath(); | |
| 202 | |
| 203 Assert.isNotNull(treePath); | |
| 204 treePathLabelProvider.updateLabel(label, treePath); | |
| 205 } else if (viewerLabelProvider !is null) { | |
| 206 viewerLabelProvider.updateLabel(label, element); | |
| 207 } | |
| 208 if (!label.hasNewForeground() && colorProvider !is null) | |
| 209 label.setForeground(getForeground(element)); | |
| 210 | |
| 211 if (!label.hasNewBackground() && colorProvider !is null) | |
| 212 label.setBackground(getBackground(element)); | |
| 213 | |
| 214 if (!label.hasNewFont() && fontProvider !is null) | |
| 215 label.setFont(getFont(element)); | |
| 216 | |
| 217 applyViewerLabel(cell, label); | |
| 218 } | |
| 219 | |
| 220 private void applyViewerLabel(ViewerCell cell, ViewerLabel label) { | |
| 221 if (label.hasNewText()) { | |
| 222 cell.setText(label.getText()); | |
| 223 } | |
| 224 if (label.hasNewImage()) { | |
| 225 cell.setImage(label.getImage()); | |
| 226 } | |
| 90 | 227 if (colorProvider !is null || label.hasNewBackground()) { |
| 10 | 228 cell.setBackground(label.getBackground()); |
| 229 } | |
| 90 | 230 if (colorProvider !is null || label.hasNewForeground()) { |
| 10 | 231 cell.setForeground(label.getForeground()); |
| 232 } | |
| 90 | 233 if (fontProvider !is null || label.hasNewFont()) { |
| 10 | 234 cell.setFont(label.getFont()); |
| 235 } | |
| 236 } | |
| 237 } |