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comparison jface/snippets/viewers/Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI.d @ 147:5f508f322464

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more JFace examples
author Frank Benoit <benoit@tionex.de>
date Sat, 16 Aug 2008 13:21:55 +0200
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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 *******************************************************************************/
11
12 module snippets.viewers.Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI;
13
14
15 import dwtx.jface.action.Action;
16 import dwtx.jface.action.IMenuListener;
17 import dwtx.jface.action.IMenuManager;
18 import dwtx.jface.action.MenuManager;
19 import dwtx.jface.internal.ConfigureColumnsDialog;
20 import dwtx.jface.viewers.CellEditor;
21 import dwtx.jface.viewers.ColumnLabelProvider;
22 import dwtx.jface.viewers.EditingSupport;
23 import dwtx.jface.viewers.IStructuredContentProvider;
24 import dwtx.jface.viewers.TableViewer;
25 import dwtx.jface.viewers.TableViewerColumn;
26 import dwtx.jface.viewers.TextCellEditor;
27 import dwtx.jface.viewers.Viewer;
28 import dwtx.jface.window.SameShellProvider;
29 import dwt.DWT;
30 import dwt.events.MouseAdapter;
31 import dwt.events.MouseEvent;
32 import dwt.layout.FillLayout;
33 import dwt.widgets.Display;
34 import dwt.widgets.Shell;
35 import dwt.dwthelper.utils;
36 import dwtx.jface.window.IShellProvider;
37
38 /**
39 * Explore the new API added in 3.3 and see how easily you can create reusable
40 * components
41 *
42 * @author Tom Schindl <tom.schindl@bestsolution.at>
43 * @since 3.2
44 */
45 public class Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI {
46
47 public class Person {
48 public String givenname;
49
50 public String surname;
51
52 public String email;
53
54 public this(String givenname, String surname, String email) {
55 this.givenname = givenname;
56 this.surname = surname;
57 this.email = email;
58 }
59 }
60
61 private class MyContentProvider : IStructuredContentProvider {
62
63 public Object[] getElements(Object inputElement) {
64 return arrayFromObject!(Person)( inputElement );
65 }
66
67 public void dispose() {
68 }
69
70 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
71
72 }
73
74 }
75
76
77
78 private class GivenNameLabelProvider : ColumnLabelProvider {
79 public String getText(Object element) {
80 return (cast(Person) element).givenname;
81 }
82 }
83
84 private class GivenNameEditing : EditingSupport {
85 private TextCellEditor cellEditor;
86
87 public this(TableViewer viewer) {
88 super(viewer);
89 cellEditor = new TextCellEditor(viewer.getTable());
90 }
91
92 protected bool canEdit(Object element) {
93 return true;
94 }
95
96 protected CellEditor getCellEditor(Object element) {
97 return cellEditor;
98 }
99
100 protected Object getValue(Object element) {
101 return stringcast((cast(Person) element).givenname);
102 }
103
104 protected void setValue(Object element, Object value) {
105 (cast(Person) element).givenname = stringcast(value);
106 getViewer().update(element, null);
107 }
108 }
109
110 private class SurNameLabelProvider : ColumnLabelProvider {
111 public String getText(Object element) {
112 return (cast(Person) element).surname;
113 }
114 }
115
116 private class SurNameEditing : EditingSupport {
117 private TextCellEditor cellEditor;
118
119 public this( TableViewer viewer ) {
120 super(viewer);
121 cellEditor = new TextCellEditor(viewer.getTable());
122 }
123
124 protected bool canEdit(Object element) {
125 return true;
126 }
127
128 protected CellEditor getCellEditor(Object element) {
129 return cellEditor;
130 }
131
132 protected Object getValue(Object element) {
133 return stringcast((cast(Person) element).surname);
134 }
135
136 protected void setValue(Object element, Object value) {
137 (cast(Person) element).surname = stringcast(value);
138 getViewer().update(element, null);
139 }
140 }
141
142 private class EmailLabelProvider : ColumnLabelProvider {
143 public String getText(Object element) {
144 return (cast(Person) element).email;
145 }
146 }
147
148 private class EmailEditing : EditingSupport {
149 private TextCellEditor cellEditor;
150
151 public this( TableViewer viewer ) {
152 super(viewer);
153 cellEditor = new TextCellEditor(viewer.getTable());
154 }
155
156 protected bool canEdit(Object element) {
157 return true;
158 }
159
160 protected CellEditor getCellEditor(Object element) {
161 return cellEditor;
162 }
163
164 protected Object getValue(Object element) {
165 return stringcast((cast(Person) element).email);
166 }
167
168 protected void setValue(Object element, Object value) {
169 (cast(Person) element).email = stringcast(value);
170 getViewer().update(element, null);
171 }
172 }
173
174 private int activeColumn = -1;
175
176 private TableViewerColumn column;
177 TableViewer v;
178 public this(Shell shell) {
179 v = new TableViewer(shell, DWT.BORDER
180 | DWT.FULL_SELECTION);
181
182 TableViewerColumn column = new TableViewerColumn(v,DWT.NONE);
183 column.setLabelProvider(new GivenNameLabelProvider());
184 column.setEditingSupport(new GivenNameEditing(v));
185
186 column.getColumn().setWidth(200);
187 column.getColumn().setText("Givenname");
188 column.getColumn().setMoveable(true);
189
190 column = new TableViewerColumn(v,DWT.NONE);
191 column.setLabelProvider(new SurNameLabelProvider());
192 column.setEditingSupport(new SurNameEditing(v));
193 column.getColumn().setWidth(200);
194 column.getColumn().setText("Surname");
195 column.getColumn().setMoveable(true);
196
197 Person[] model = createModel();
198
199 v.setContentProvider(new MyContentProvider());
200 v.setInput(new ArrayWrapperObject(model));
201 v.getTable().setLinesVisible(true);
202 v.getTable().setHeaderVisible(true);
203
204 addMenu();
205 triggerColumnSelectedColumn();
206 }
207
208 private void triggerColumnSelectedColumn() {
209 v.getTable().addMouseListener(new class() MouseAdapter {
210
211 public void mouseDown(MouseEvent e) {
212 int x = 0;
213 for (int i = 0; i < v.getTable().getColumnCount(); i++) {
214 x += v.getTable().getColumn(i).getWidth();
215 if (e.x <= x) {
216 activeColumn = i;
217 break;
218 }
219 }
220 }
221
222 });
223 }
224
225 private void removeEmailColumn() {
226 column.getColumn().dispose();
227 v.refresh();
228 }
229
230 private void addEmailColumn(int columnIndex) {
231 column = new TableViewerColumn(v, DWT.NONE, columnIndex);
232 column.setLabelProvider(new EmailLabelProvider());
233 column.setEditingSupport(new EmailEditing(v));
234 column.getColumn().setText("E-Mail");
235 column.getColumn().setResizable(false);
236
237 v.refresh();
238
239 column.getColumn().setWidth(200);
240
241 }
242
243 private Action insertEmailBefore;
244 private Action insertEmailAfter;
245 private Action removeEmail;
246 private Action configureColumns;
247
248 private void addMenu() {
249 MenuManager mgr = new MenuManager();
250
251 insertEmailBefore = new class("Insert E-Mail before") Action {
252 this(String name){ super(name); }
253 public void run() {
254 addEmailColumn(activeColumn);
255 }
256 };
257
258 insertEmailAfter = new class("Insert E-Mail after") Action {
259 this(String name){ super(name); }
260 public void run() {
261 addEmailColumn(activeColumn + 1);
262 }
263 };
264
265 removeEmail = new class("Remove E-Mail") Action {
266 this(String name){ super(name); }
267 public void run() {
268 removeEmailColumn();
269 }
270 };
271
272 configureColumns = new class("Configure Columns...") Action {
273 this(String name){ super(name); }
274 public void run() {
275 // Note: the following is not API!
276 (new ConfigureColumnsDialog(cast(IShellProvider)new SameShellProvider(v.getControl()), v.getTable())).open();
277 }
278 };
279
280 mgr.setRemoveAllWhenShown(true);
281 mgr.addMenuListener(new class() IMenuListener {
282
283 public void menuAboutToShow(IMenuManager manager) {
284 if (v.getTable().getColumnCount() == 2) {
285 manager.add(insertEmailBefore);
286 manager.add(insertEmailAfter);
287 } else {
288 manager.add(removeEmail);
289 }
290 manager.add(configureColumns);
291 }
292
293 });
294
295 v.getControl().setMenu(mgr.createContextMenu(v.getControl()));
296 }
297
298 private Person[] createModel() {
299 Person[] persons = new Person[3];
300 persons[0] = new Person("Tom", "Schindl", "tom.schindl@bestsolution.at");
301 persons[1] = new Person("Boris", "Bokowski",
302 "boris_bokowski@ca.ibm.com");
303 persons[2] = new Person("Tod", "Creasey", "tod_creasey@ca.ibm.com");
304
305 return persons;
306 }
307
308 /**
309 * @param args
310 */
311 public static void main(String[] args) {
312 Display display = new Display();
313
314 Shell shell = new Shell(display);
315 shell.setLayout(new FillLayout());
316 new Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI(shell);
317 shell.open();
318
319 while (!shell.isDisposed()) {
320 if (!display.readAndDispatch())
321 display.sleep();
322 }
323
324 display.dispose();
325
326 }
327
328 }
329
330 void main(){
331 Snippet019TableViewerAddRemoveColumnsWithEditingNewAPI.main(null);
332 }
333
334