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Added JFace Snippets sources
author Frank Benoit <benoit@tionex.de>
date Mon, 23 Mar 2009 11:16:06 +0100
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30:93b0e7382fd5 31:5d87d4191adf
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.Snippet026TreeViewerTabEditing;
15
16
17 import dwtx.jface.viewers.CellEditor;
18 import dwtx.jface.viewers.ColumnLabelProvider;
19 import dwtx.jface.viewers.ColumnViewerEditor;
20 import dwtx.jface.viewers.ColumnViewer;
21 import dwtx.jface.viewers.ColumnViewerEditorActivationStrategy;
22 import dwtx.jface.viewers.EditingSupport;
23 import dwtx.jface.viewers.ColumnViewerEditorActivationEvent;
24 import dwtx.jface.viewers.FocusCellOwnerDrawHighlighter;
25 import dwtx.jface.viewers.ITreeContentProvider;
26 import dwtx.jface.viewers.TextCellEditor;
27 import dwtx.jface.viewers.TreePath;
28 import dwtx.jface.viewers.TreeViewerFocusCellManager;
29 import dwtx.jface.viewers.TreeViewerEditor;
30 import dwtx.jface.viewers.TreeViewer;
31 import dwtx.jface.viewers.TreeViewerColumn;
32 import dwtx.jface.viewers.Viewer;
33 import dwt.DWT;
34 import dwt.events.SelectionEvent;
35 import dwt.events.SelectionListener;
36 import dwt.layout.FillLayout;
37 import dwt.widgets.Button;
38 import dwt.widgets.Display;
39 import dwt.widgets.Shell;
40
41 import dwt.dwthelper.utils;
42 import dwtx.dwtxhelper.Collection;
43
44 import tango.util.Convert;
45
46 version(JIVE) import jive.stacktrace;
47
48
49 void main(String[] args) {
50 Display display = new Display();
51 Shell shell = new Shell(display);
52 shell.setLayout(new FillLayout());
53 new Snippet026TreeViewerTabEditing(shell);
54 shell.open();
55
56 while (!shell.isDisposed()) {
57 if (!display.readAndDispatch())
58 display.sleep();
59 }
60
61 display.dispose();
62 }
63
64 /**
65 * A simple TreeViewer to demonstrate usage
66 *
67 * @author Tom Schindl <tom.schindl@bestsolution.at>
68 *
69 */
70 public class Snippet026TreeViewerTabEditing {
71 public this(Shell shell) {
72 Button b = new Button(shell,DWT.PUSH);
73 b.setText("Remove column");
74 final TreeViewer v = new TreeViewer(shell, DWT.BORDER
75 | DWT.FULL_SELECTION);
76 v.getTree().setLinesVisible(true);
77 v.getTree().setHeaderVisible(true);
78 b.addSelectionListener(new class(v) SelectionListener {
79 TreeViewer v;
80 this(TreeViewer v_)
81 {
82 this.v = v_;
83 }
84 public void widgetDefaultSelected(SelectionEvent e) {
85
86 }
87
88 public void widgetSelected(SelectionEvent e) {
89 v.getTree().getColumn(1).dispose();
90 }
91
92 });
93
94 TreeViewerFocusCellManager focusCellManager = new TreeViewerFocusCellManager(v,new FocusCellOwnerDrawHighlighter(v));
95 ColumnViewerEditorActivationStrategy actSupport = new class(v) ColumnViewerEditorActivationStrategy {
96 this(ColumnViewer v_)
97 {
98 super(v_);
99 }
100 protected bool isEditorActivationEvent(
101 ColumnViewerEditorActivationEvent event) {
102 return event.eventType == ColumnViewerEditorActivationEvent.TRAVERSAL
103 || event.eventType == ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION
104 || (event.eventType == ColumnViewerEditorActivationEvent.KEY_PRESSED && event.keyCode == DWT.CR)
105 || event.eventType == ColumnViewerEditorActivationEvent.PROGRAMMATIC;
106 }
107 };
108
109 TreeViewerEditor.create(v, focusCellManager, actSupport, ColumnViewerEditor.TABBING_HORIZONTAL
110 | ColumnViewerEditor.TABBING_MOVE_TO_ROW_NEIGHBOR
111 | ColumnViewerEditor.TABBING_VERTICAL | ColumnViewerEditor.KEYBOARD_ACTIVATION);
112
113 final TextCellEditor textCellEditor = new TextCellEditor(v.getTree());
114
115 TreeViewerColumn column = new TreeViewerColumn(v, DWT.NONE);
116 column.getColumn().setWidth(200);
117 column.getColumn().setMoveable(true);
118 column.getColumn().setText("Column 1");
119 column.setLabelProvider(new class() ColumnLabelProvider {
120
121 public String getText(Object element) {
122 return "Column 1 => " ~ element.toString();
123 }
124
125 });
126 column.setEditingSupport(new class(v) EditingSupport {
127 this(ColumnViewer v_)
128 {
129 super(v_);
130 }
131 protected bool canEdit(Object element) {
132 return false;
133 }
134
135 protected CellEditor getCellEditor(Object element) {
136 return textCellEditor;
137 }
138
139 protected Object getValue(Object element) {
140 return stringcast( (to!(String)((cast(MyModel) element).counter)) );
141 }
142
143 protected void setValue(Object element, Object value) {
144 (cast(MyModel) element).counter = Integer.parseInt(value.toString());
145 v.update(element, null);
146 }
147 });
148
149 column = new TreeViewerColumn(v, DWT.NONE);
150 column.getColumn().setWidth(200);
151 column.getColumn().setMoveable(true);
152 column.getColumn().setText("Column 2");
153 column.setLabelProvider(new class() ColumnLabelProvider {
154
155 public String getText(Object element) {
156 return "Column 2 => " ~ element.toString();
157 }
158
159 });
160 column.setEditingSupport(new class(v) EditingSupport {
161 this(ColumnViewer v_)
162 {
163 super(v_);
164 }
165 protected bool canEdit(Object element) {
166 return true;
167 }
168
169 protected CellEditor getCellEditor(Object element) {
170 return textCellEditor;
171 }
172
173 protected Object getValue(Object element) {
174 return stringcast( to!(String)((cast(MyModel) element).counter) );
175 }
176
177 protected void setValue(Object element, Object value) {
178 (cast(MyModel) element).counter = Integer.parseInt(value.toString());
179 v.update(element, null);
180 }
181 });
182
183 column = new TreeViewerColumn(v, DWT.NONE);
184 column.getColumn().setWidth(200);
185 column.getColumn().setMoveable(true);
186 column.getColumn().setText("Column 3");
187 column.setLabelProvider(new class() ColumnLabelProvider {
188 public String getText(Object element) {
189 return "Column 3 => " ~ element.toString();
190 }
191
192 });
193 column.setEditingSupport(new class(v) EditingSupport {
194 this(ColumnViewer v_)
195 {
196 super(v_);
197 }
198 protected bool canEdit(Object element) {
199 return true;
200 }
201
202 protected CellEditor getCellEditor(Object element) {
203 return textCellEditor;
204 }
205
206 protected Object getValue(Object element) {
207 return stringcast( to!(String)((cast(MyModel) element).counter) );
208 }
209
210 protected void setValue(Object element, Object value) {
211 (cast(MyModel) element).counter = Integer.parseInt(value.toString());
212 v.update(element, null);
213 }
214 });
215
216 v.setContentProvider(new MyContentProvider());
217
218 v.setInput(createModel());
219 }
220
221 private MyModel createModel() {
222
223 MyModel root = new MyModel(0, null);
224 root.counter = 0;
225
226 MyModel tmp;
227 MyModel subItem;
228 for (int i = 1; i < 10; i++) {
229 tmp = new MyModel(i, root);
230 root.child.add(tmp);
231 for (int j = 1; j < i; j++) {
232 subItem = new MyModel(j, tmp);
233 subItem.child.add(new MyModel(j * 100, subItem));
234 tmp.child.add(subItem);
235 }
236 }
237
238 return root;
239 }
240
241 private class MyContentProvider : ITreeContentProvider {
242
243 public Object[] getElements(Object inputElement) {
244 return (cast(MyModel) inputElement).child.toArray();
245 }
246
247 public void dispose() {
248 }
249
250 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
251 }
252
253 public Object[] getChildren(Object parentElement) {
254 return getElements(parentElement);
255 }
256
257 public Object getParent(Object element) {
258 if (element is null) {
259 return null;
260 }
261 return (cast(MyModel) element).parent;
262 }
263
264 public bool hasChildren(Object element) {
265 return (cast(MyModel) element).child.size() > 0;
266 }
267
268 }
269
270 public class MyModel {
271 public MyModel parent;
272
273 public ArrayList child;
274
275 public int counter;
276
277 public this(int counter, MyModel parent) {
278 this.parent = parent;
279 this.counter = counter;
280 child = new ArrayList();
281 }
282
283 public String toString() {
284 String rv = "Item ";
285 if (parent !is null) {
286 rv = parent.toString() ~ ".";
287 }
288
289 rv ~= to!(String)(counter);
290
291 return rv;
292 }
293 }
294
295 }