Mercurial > projects > dwt-samples
annotate jface/snippets/viewers/Snippet014TreeViewerNoMandatoryLabelProvider.d @ 145:161f7698cfb8
Moved jface snippets to viewers subpackage, there are more with conflicting numbers for other packages
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 08 Aug 2008 14:40:21 +0200 |
| parents | jface/snippets/Snippet014TreeViewerNoMandatoryLabelProvider.d@42c3056512ba |
| children |
| rev | line source |
|---|---|
| 137 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2006 Tom Schindl 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 * Tom Schindl - initial API and implementation | |
| 10 * Port to the D programming language: | |
|
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11 * yidabu at gmail dot com ( D China http://www.d-programming-language-china.org/ ) |
| 137 | 12 *******************************************************************************/ |
| 13 | |
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14 module snippets.viewers.Snippet014TreeViewerNoMandatoryLabelProvider; |
| 137 | 15 |
| 16 | |
| 17 import dwtx.jface.resource.FontRegistry; | |
| 18 import dwtx.jface.viewers.ITableColorProvider; | |
| 19 import dwtx.jface.viewers.ITableFontProvider; | |
| 20 import dwtx.jface.viewers.ITableLabelProvider; | |
| 21 import dwtx.jface.viewers.ITreeContentProvider; | |
| 22 import dwtx.jface.viewers.LabelProvider; | |
| 23 import dwtx.jface.viewers.TreeViewer; | |
| 24 import dwtx.jface.viewers.Viewer; | |
| 25 import dwt.DWT; | |
| 26 import dwt.graphics.Color; | |
| 27 import dwt.graphics.Font; | |
| 28 import dwt.graphics.Image; | |
| 29 import dwt.layout.FillLayout; | |
| 30 import dwt.widgets.Display; | |
| 31 import dwt.widgets.Shell; | |
| 32 import dwt.widgets.TreeColumn; | |
| 33 | |
| 34 import dwt.dwthelper.utils; | |
| 35 | |
| 36 import tango.util.Convert; | |
| 37 import tango.util.container.LinkedList; | |
| 38 | |
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39 version(JIVE) import jive.stacktrace; |
| 137 | 40 |
| 41 | |
| 42 void main(String[] args) { | |
| 43 Display display = new Display(); | |
| 44 Shell shell = new Shell(display); | |
| 45 shell.setLayout(new FillLayout()); | |
| 46 new Snippet014TreeViewerNoMandatoryLabelProvider(shell); | |
| 47 shell.open(); | |
| 48 | |
| 49 while (!shell.isDisposed()) { | |
| 50 if (!display.readAndDispatch()) | |
| 51 display.sleep(); | |
| 52 } | |
| 53 | |
| 54 display.dispose(); | |
| 55 } | |
| 56 | |
| 57 /** | |
| 58 * A simple TreeViewer to demonstrate usage | |
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59 * |
| 137 | 60 * @author Tom Schindl <tom.schindl@bestsolution.at> |
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61 * |
| 137 | 62 */ |
| 63 public class Snippet014TreeViewerNoMandatoryLabelProvider { | |
| 64 alias LinkedList!(MyModel) ArrayList; | |
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65 |
| 140 | 66 private class MyContentProvider : ITreeContentProvider { |
| 137 | 67 |
| 140 | 68 /* |
| 69 * (non-Javadoc) | |
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70 * |
| 140 | 71 * @see dwtx.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
| 72 */ | |
| 73 public Object[] getElements(Object inputElement) { | |
| 74 return (cast(MyModel) inputElement).child.toArray(); | |
| 75 } | |
| 137 | 76 |
| 140 | 77 /* |
| 78 * (non-Javadoc) | |
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79 * |
| 140 | 80 * @see dwtx.jface.viewers.IContentProvider#dispose() |
| 81 */ | |
| 82 public void dispose() { | |
| 137 | 83 |
| 140 | 84 } |
| 137 | 85 |
| 140 | 86 /* |
| 87 * (non-Javadoc) | |
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88 * |
| 140 | 89 * @see dwtx.jface.viewers.IContentProvider#inputChanged(dwtx.jface.viewers.Viewer, |
| 90 * java.lang.Object, java.lang.Object) | |
| 91 */ | |
| 92 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
| 137 | 93 |
| 140 | 94 } |
| 137 | 95 |
| 140 | 96 /* |
| 97 * (non-Javadoc) | |
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98 * |
| 140 | 99 * @see dwtx.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) |
| 100 */ | |
| 101 public Object[] getChildren(Object parentElement) { | |
| 102 return getElements(parentElement); | |
| 103 } | |
| 137 | 104 |
| 140 | 105 /* |
| 106 * (non-Javadoc) | |
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107 * |
| 140 | 108 * @see dwtx.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) |
| 109 */ | |
| 110 public Object getParent(Object element) { | |
| 111 if (element is null) { | |
| 112 return null; | |
| 113 } | |
| 137 | 114 |
| 140 | 115 return (cast(MyModel) element).parent; |
| 116 } | |
| 137 | 117 |
| 140 | 118 /* |
| 119 * (non-Javadoc) | |
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120 * |
| 140 | 121 * @see dwtx.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) |
| 122 */ | |
| 123 public bool hasChildren(Object element) { | |
| 124 return (cast(MyModel) element).child.size() > 0; | |
| 125 } | |
| 137 | 126 |
| 140 | 127 } |
| 137 | 128 |
| 140 | 129 public class MyModel { |
| 130 public MyModel parent; | |
| 137 | 131 |
| 140 | 132 public ArrayList child; |
| 137 | 133 |
| 140 | 134 public int counter; |
| 137 | 135 |
| 140 | 136 public this(int counter, MyModel parent) { |
| 137 this.parent = parent; | |
| 138 this.counter = counter; | |
| 137 | 139 child = new ArrayList(); |
| 140 | 140 } |
| 137 | 141 |
| 140 | 142 public String toString() { |
| 143 String rv = "Item "; | |
| 144 if (parent !is null) { | |
| 145 rv = parent.toString() ~ "."; | |
| 146 } | |
| 137 | 147 |
| 140 | 148 rv ~= to!(String)(counter); |
| 137 | 149 |
| 140 | 150 return rv; |
| 151 } | |
| 152 } | |
| 137 | 153 |
| 140 | 154 public class MyLabelProvider : LabelProvider, |
| 155 ITableLabelProvider, ITableFontProvider, ITableColorProvider { | |
| 156 FontRegistry registry; | |
| 137 | 157 this() |
| 158 { | |
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159 registry = new FontRegistry(); |
| 137 | 160 } |
| 161 | |
| 140 | 162 public Image getColumnImage(Object element, int columnIndex) { |
| 163 return null; | |
| 164 } | |
| 137 | 165 |
| 140 | 166 public String getColumnText(Object element, int columnIndex) { |
| 167 return "Column " ~ to!(String)(columnIndex) ~ " => " ~ element.toString(); | |
| 168 } | |
| 137 | 169 |
| 140 | 170 public Font getFont(Object element, int columnIndex) { |
| 171 if ((cast(MyModel) element).counter % 2 == 0) { | |
| 172 return registry.getBold(Display.getCurrent().getSystemFont() | |
| 173 .getFontData()[0].getName()); | |
| 174 } | |
| 175 return null; | |
| 176 } | |
| 137 | 177 |
| 140 | 178 public Color getBackground(Object element, int columnIndex) { |
| 179 if ((cast(MyModel) element).counter % 2 == 0) { | |
| 180 return Display.getCurrent().getSystemColor(DWT.COLOR_RED); | |
| 181 } | |
| 182 return null; | |
| 183 } | |
| 137 | 184 |
| 140 | 185 public Color getForeground(Object element, int columnIndex) { |
| 186 if ((cast(MyModel) element).counter % 2 == 1) { | |
| 187 return Display.getCurrent().getSystemColor(DWT.COLOR_RED); | |
| 188 } | |
| 189 return null; | |
| 190 } | |
| 137 | 191 |
| 140 | 192 } |
| 137 | 193 |
| 140 | 194 public this(Shell shell) { |
| 195 final TreeViewer v = new TreeViewer(shell); | |
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196 |
| 140 | 197 TreeColumn column = new TreeColumn(v.getTree(),DWT.NONE); |
| 198 column.setWidth(200); | |
| 199 column.setText("Column 1"); | |
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200 |
| 140 | 201 column = new TreeColumn(v.getTree(),DWT.NONE); |
| 202 column.setWidth(200); | |
| 203 column.setText("Column 2"); | |
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204 |
| 140 | 205 v.setLabelProvider(new MyLabelProvider()); |
| 206 v.setContentProvider(new MyContentProvider()); | |
| 207 v.setInput(createModel()); | |
| 208 } | |
| 137 | 209 |
| 140 | 210 private MyModel createModel() { |
| 137 | 211 |
| 140 | 212 MyModel root = new MyModel(0, null); |
| 213 root.counter = 0; | |
| 137 | 214 |
| 140 | 215 MyModel tmp; |
| 216 for (int i = 1; i < 10; i++) { | |
| 217 tmp = new MyModel(i, root); | |
| 218 root.child.add(tmp); | |
| 219 for (int j = 1; j < i; j++) { | |
| 220 tmp.child.add(new MyModel(j, tmp)); | |
| 221 } | |
| 222 } | |
| 137 | 223 |
| 140 | 224 return root; |
| 225 } | |
| 137 | 226 |
| 227 | |
| 228 } |