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comparison org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet96.d @ 28:69b1fa94a4a8

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Added SWT snippets
author Frank Benoit <benoit@tionex.de>
date Sun, 22 Mar 2009 15:17:04 +0100
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children 4e5843b771cc
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27:1bf55a6eb092 28:69b1fa94a4a8
1 /*******************************************************************************
2 * Copyright (c) 2000, 2004 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 * yidabu at gmail dot com ( D China http://www.d-programming-language-china.org/ )
12 *******************************************************************************/
13
14 module org.eclipse.swt.snippets.Snippet96;
15
16 // http://dev.eclipse.org/viewcvs/index.cgi/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet96.java?view=co
17
18 /*
19 * TableCursor example snippet: navigate a table cells with arrow keys.
20 * Edit when user hits Return key. Exit edit mode by hitting Escape (cancels edit)
21 * or Return (applies edit to table).
22 *
23 * For a list of all SWT example snippets see
24 * http://www.eclipse.org/swt/snippets/
25 */
26 import org.eclipse.swt.SWT;
27 import org.eclipse.swt.widgets.Button;
28 import org.eclipse.swt.widgets.Display;
29 import org.eclipse.swt.widgets.Event;
30 import org.eclipse.swt.widgets.Label;
31 import org.eclipse.swt.widgets.Listener;
32 import org.eclipse.swt.widgets.Shell;
33 import org.eclipse.swt.widgets.Table;
34 import org.eclipse.swt.widgets.TableItem;
35 import org.eclipse.swt.widgets.TableColumn;
36 import org.eclipse.swt.widgets.Text;
37
38 import org.eclipse.swt.custom.TableCursor;
39 import org.eclipse.swt.custom.ControlEditor;
40
41 import org.eclipse.swt.layout.GridData;
42 import org.eclipse.swt.layout.GridLayout;
43
44 import org.eclipse.swt.events.SelectionEvent;
45 import org.eclipse.swt.events.SelectionAdapter;
46 import org.eclipse.swt.events.KeyEvent;
47 import org.eclipse.swt.events.KeyAdapter;
48 import org.eclipse.swt.events.FocusEvent;
49 import org.eclipse.swt.events.FocusAdapter;
50 import org.eclipse.swt.events.MouseEvent;
51 import org.eclipse.swt.events.MouseAdapter;
52
53 import java.lang.all;
54
55 import tango.util.Convert;
56
57
58 void main() {
59 Display display = new Display();
60 Shell shell = new Shell(display);
61 shell.setLayout(new GridLayout());
62
63 // create a a table with 3 columns and fill with data
64 final Table table = new Table(shell, SWT.BORDER | DWT.MULTI | DWT.FULL_SELECTION);
65 table.setLayoutData(new GridData(GridData.FILL_BOTH));
66 TableColumn column1 = new TableColumn(table, SWT.NONE);
67 TableColumn column2 = new TableColumn(table, SWT.NONE);
68 TableColumn column3 = new TableColumn(table, SWT.NONE);
69 for (int i = 0; i < 100; i++) {
70 TableItem item = new TableItem(table, SWT.NONE);
71 item.setText(["cell " ~ to!(char[])(i) ~ " 0", "cell " ~ to!(char[])(i) ~ " 1", "cell " ~ to!(char[])(i) ~ " 2" ]);
72 }
73 column1.pack();
74 column2.pack();
75 column3.pack();
76
77 // create a TableCursor to navigate around the table
78 final TableCursor cursor = new TableCursor(table, SWT.NONE);
79 // create an editor to edit the cell when the user hits "ENTER"
80 // while over a cell in the table
81 final ControlEditor editor = new ControlEditor(cursor);
82 editor.grabHorizontal = true;
83 editor.grabVertical = true;
84
85 cursor.addSelectionListener(new class(table, editor, cursor) SelectionAdapter {
86 // when the TableEditor is over a cell, select the corresponding row in
87 // the table
88
89 Table table;
90 ControlEditor editor;
91 TableCursor cursor;
92 this(Table table_, ControlEditor editor_, TableCursor cursor_)
93 {
94 table = table_;
95 editor = editor_;
96 cursor = cursor_;
97 }
98
99 public void widgetSelected(SelectionEvent e) {
100 table.setSelection([cursor.getRow()]);
101 }
102 // when the user hits "ENTER" in the TableCursor, pop up a text editor so that
103 // they can change the text of the cell
104 public void widgetDefaultSelected(SelectionEvent e) {
105 final Text text = new Text(cursor, SWT.NONE);
106 TableItem row = cursor.getRow();
107 int column = cursor.getColumn();
108 text.setText(row.getText(column));
109 text.addKeyListener(new class(text, cursor) KeyAdapter {
110 Text text;
111 TableCursor cursor;
112 this(Text text_, TableCursor cursor_)
113 {
114 text = text_;
115 cursor = cursor_;
116 }
117 public void keyPressed(KeyEvent e) {
118 // close the text editor and copy the data over
119 // when the user hits "ENTER"
120 if (e.character == SWT.CR) {
121 TableItem row = cursor.getRow();
122 int column = cursor.getColumn();
123 row.setText(column, text.getText());
124 text.dispose();
125 }
126 // close the text editor when the user hits "ESC"
127 if (e.character == SWT.ESC) {
128 text.dispose();
129 }
130 }
131 });
132 // close the text editor when the user tabs away
133 text.addFocusListener(new class(text) FocusAdapter {
134 Text text;
135 this(Text text_)
136 {
137 text = text_;
138 }
139 public void focusLost(FocusEvent e) {
140 text.dispose();
141 }
142 });
143 editor.setEditor(text);
144 text.setFocus();
145 }
146 });
147 // Hide the TableCursor when the user hits the "CTRL" or "SHIFT" key.
148 // This alows the user to select multiple items in the table.
149 cursor.addKeyListener(new class(cursor) KeyAdapter {
150 TableCursor cursor;
151 this(TableCursor cursor_)
152 {
153 cursor = cursor_;
154 }
155 public void keyPressed(KeyEvent e) {
156 if (e.keyCode == SWT.CTRL
157 || e.keyCode == SWT.SHIFT
158 || (e.stateMask & SWT.CONTROL) != 0
159 || (e.stateMask & SWT.SHIFT) != 0) {
160 cursor.setVisible(false);
161 }
162 }
163 });
164 // When the user double clicks in the TableCursor, pop up a text editor so that
165 // they can change the text of the cell
166 cursor.addMouseListener(new class(cursor, editor) MouseAdapter {
167 ControlEditor editor;
168 TableCursor cursor;
169 this(TableCursor cursor_, ControlEditor editor_)
170 {
171 cursor = cursor_;
172 editor = editor_;
173 }
174
175 public void mouseDown(MouseEvent e) {
176 final Text text = new Text(cursor, SWT.NONE);
177 TableItem row = cursor.getRow();
178 int column = cursor.getColumn();
179 text.setText(row.getText(column));
180 text.addKeyListener(new class(text, cursor) KeyAdapter {
181 Text text;
182 TableCursor cursor;
183 this(Text text_, TableCursor cursor_)
184 {
185 text = text_;
186 cursor = cursor_;
187 }
188 public void keyPressed(KeyEvent e) {
189 // close the text editor and copy the data over
190 // when the user hits "ENTER"
191 if (e.character == SWT.CR) {
192 TableItem row = cursor.getRow();
193 int column = cursor.getColumn();
194 row.setText(column, text.getText());
195 text.dispose();
196 }
197 // close the text editor when the user hits "ESC"
198 if (e.character == SWT.ESC) {
199 text.dispose();
200 }
201 }
202 });
203 // close the text editor when the user clicks away
204 text.addFocusListener(new class(text) FocusAdapter {
205 Text text;
206 this(Text text_)
207 {
208 text = text_;
209 }
210 public void focusLost(FocusEvent e) {
211 text.dispose();
212 }
213 });
214 editor.setEditor(text);
215 text.setFocus();
216 }
217 });
218
219 // Show the TableCursor when the user releases the "SHIFT" or "CTRL" key.
220 // This signals the end of the multiple selection task.
221 table.addKeyListener(new class(table, cursor) KeyAdapter {
222 Table table;
223 TableCursor cursor;
224 this(Table table_, TableCursor cursor_)
225 {
226 table = table_;
227 cursor = cursor_;
228 }
229 public void keyReleased(KeyEvent e) {
230 if (e.keyCode == SWT.CONTROL && (e.stateMask & DWT.SHIFT) != 0)
231 return;
232 if (e.keyCode == SWT.SHIFT && (e.stateMask & DWT.CONTROL) != 0)
233 return;
234 if (e.keyCode != SWT.CONTROL
235 && (e.stateMask & SWT.CONTROL) != 0)
236 return;
237 if (e.keyCode != SWT.SHIFT && (e.stateMask & DWT.SHIFT) != 0)
238 return;
239
240 TableItem[] selection = table.getSelection();
241 TableItem row = (selection.length == 0) ? table.getItem(table.getTopIndex()) : selection[0];
242 table.showItem(row);
243 cursor.setSelection(row, 0);
244 cursor.setVisible(true);
245 cursor.setFocus();
246 }
247 });
248
249 shell.open();
250 while (!shell.isDisposed()) {
251 if (!display.readAndDispatch())
252 display.sleep();
253 }
254 display.dispose();
255 }