org.eclipse.swt.snippets.Snippet2 source code

1 #!/usr/bin/env dub
2 /+
3 dub.sdl:
4     name "snippet2"
5     dependency "dwt" path="../../../../../../" version="*"
6     libs \
7       "atk-1.0" \
8       "cairo" \
9       "dl" \
10       "fontconfig" \
11       "gdk-x11-2.0" \
12       "gdk_pixbuf-2.0" \
13       "gio-2.0" \
14       "glib-2.0" \
15       "gmodule-2.0" \
16       "gobject-2.0" \
17       "gthread-2.0" \
18       "gtk-x11-2.0" \
19       "pango-1.0" \
20       "pangocairo-1.0" \
21       "X11" \
22       "Xcomposite" \
23       "Xcursor" \
24       "Xdamage" \
25       "Xext" \
26       "Xfixes" \
27       "Xi" \
28       "Xinerama" \
29       "Xrandr" \
30       "Xrender" \
31       "Xtst" \
32       platform="linux"
33 +/
34 /*******************************************************************************
35  * Copyright (c) 2000, 2016 IBM Corporation and others.
36  * All rights reserved. This program and the accompanying materials
37  * are made available under the terms of the Eclipse Public License v1.0
38  * which accompanies this distribution, and is available at
39  * http://www.eclipse.org/legal/epl-v10.html
40  *
41  * Contributors:
42  *     IBM Corporation - initial API and implementation
43  * D Port:
44  *     alice <stigma@disroot.org>
45  *******************************************************************************/
46 module org.eclipse.swt.snippets.Snippet2;
47 
48 import std.algorithm.comparison : cmp;
49 
50 /*
51  * Table example snippet: sort a table by column
52  *
53  * For a list of all SWT example snippets see
54  * http://www.eclipse.org/swt/snippets/
55  *
56  * @since 3.2
57  */
58 import org.eclipse.swt.SWT;
59 import org.eclipse.swt.events.SelectionEvent;
60 import org.eclipse.swt.events.SelectionListener;
61 import org.eclipse.swt.layout.all;
62 import org.eclipse.swt.widgets.all;
63 
64 void main(string[] args) {
65     Display display = new Display();
66     Shell shell = new Shell(display);
67     shell.setLayout(new FillLayout());
68     Table table = new Table(shell, SWT.BORDER);
69     table.setHeaderVisible(true);
70     TableColumn column1 = new TableColumn(table, SWT.NONE);
71     column1.setText("Column 1");
72     TableColumn column2 = new TableColumn(table, SWT.NONE);
73     column2.setText("Column 2");
74     TableItem item = new TableItem(table, SWT.NONE);
75     item.setText(["a", "3"]);
76     item = new TableItem(table, SWT.NONE);
77     item.setText(["b", "2"]);
78     item = new TableItem(table, SWT.NONE);
79     item.setText(["c", "1"]);
80     column1.setWidth(100);
81     column2.setWidth(100);
82 
83     SelectionListener sortListener = new class SelectionListener {
84         override void widgetSelected(SelectionEvent e) {
85             TableItem[] items = table.getItems();
86             TableColumn column = cast(TableColumn)e.widget;
87             int index = column is column1 ? 0 : 1;
88             for (int i = 1; i < items.length; i++) {
89                 string value1 = items[i].getText(index);
90                 for (int j = 0; j < i; j++) {
91                     string value2 = items[j].getText(index);
92                     if (cmp(value1, value2) < 0) {
93                         string[] values = [items[i].getText(0), items[i].getText(1)];
94                         items[i].dispose();
95                         TableItem item1 = new TableItem(table, SWT.NONE, j);
96                         item1.setText(values);
97                         items = table.getItems();
98                         break;
99                     }
100                 }
101             }
102             table.setSortColumn(column);
103         }
104 
105         override void widgetDefaultSelected(SelectionEvent e) {}
106     };
107 
108     column1.addSelectionListener(sortListener);
109     column2.addSelectionListener(sortListener);
110     table.setSortColumn(column1);
111     table.setSortDirection(SWT.UP);
112     shell.setSize(shell.computeSize(SWT.DEFAULT, SWT.DEFAULT).x, 300);
113     shell.open();
114     while (!shell.isDisposed()) {
115         if (!display.readAndDispatch()) display.sleep();
116     }
117     display.dispose();
118 }