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comparison jface/snippets/viewers/Snippet014TreeViewerNoMandatoryLabelProvider.d @ 145:161f7698cfb8

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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
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144:7248e4c09c4f 145:161f7698cfb8
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:
11 * yidabu at gmail dot com ( D China http://www.d-programming-language-china.org/ )
12 *******************************************************************************/
13
14 module snippets.viewers.Snippet014TreeViewerNoMandatoryLabelProvider;
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
39 version(JIVE) import jive.stacktrace;
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
59 *
60 * @author Tom Schindl <tom.schindl@bestsolution.at>
61 *
62 */
63 public class Snippet014TreeViewerNoMandatoryLabelProvider {
64 alias LinkedList!(MyModel) ArrayList;
65
66 private class MyContentProvider : ITreeContentProvider {
67
68 /*
69 * (non-Javadoc)
70 *
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 }
76
77 /*
78 * (non-Javadoc)
79 *
80 * @see dwtx.jface.viewers.IContentProvider#dispose()
81 */
82 public void dispose() {
83
84 }
85
86 /*
87 * (non-Javadoc)
88 *
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) {
93
94 }
95
96 /*
97 * (non-Javadoc)
98 *
99 * @see dwtx.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object)
100 */
101 public Object[] getChildren(Object parentElement) {
102 return getElements(parentElement);
103 }
104
105 /*
106 * (non-Javadoc)
107 *
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 }
114
115 return (cast(MyModel) element).parent;
116 }
117
118 /*
119 * (non-Javadoc)
120 *
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 }
126
127 }
128
129 public class MyModel {
130 public MyModel parent;
131
132 public ArrayList child;
133
134 public int counter;
135
136 public this(int counter, MyModel parent) {
137 this.parent = parent;
138 this.counter = counter;
139 child = new ArrayList();
140 }
141
142 public String toString() {
143 String rv = "Item ";
144 if (parent !is null) {
145 rv = parent.toString() ~ ".";
146 }
147
148 rv ~= to!(String)(counter);
149
150 return rv;
151 }
152 }
153
154 public class MyLabelProvider : LabelProvider,
155 ITableLabelProvider, ITableFontProvider, ITableColorProvider {
156 FontRegistry registry;
157 this()
158 {
159 registry = new FontRegistry();
160 }
161
162 public Image getColumnImage(Object element, int columnIndex) {
163 return null;
164 }
165
166 public String getColumnText(Object element, int columnIndex) {
167 return "Column " ~ to!(String)(columnIndex) ~ " => " ~ element.toString();
168 }
169
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 }
177
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 }
184
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 }
191
192 }
193
194 public this(Shell shell) {
195 final TreeViewer v = new TreeViewer(shell);
196
197 TreeColumn column = new TreeColumn(v.getTree(),DWT.NONE);
198 column.setWidth(200);
199 column.setText("Column 1");
200
201 column = new TreeColumn(v.getTree(),DWT.NONE);
202 column.setWidth(200);
203 column.setText("Column 2");
204
205 v.setLabelProvider(new MyLabelProvider());
206 v.setContentProvider(new MyContentProvider());
207 v.setInput(createModel());
208 }
209
210 private MyModel createModel() {
211
212 MyModel root = new MyModel(0, null);
213 root.counter = 0;
214
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 }
223
224 return root;
225 }
226
227
228 }