org.eclipse.swt.snippets.Snippet193 source code

1 #!/usr/bin/env dub
2 /+
3 dub.sdl:
4     name "snippet193"
5     dependency "dwt" path="../../../../../../"
6     libs \
7       "atk-1.0" \
8       "cairo" \
9       "dl" \
10       "fontconfig" \
11       "gdk-x11-2.0" \
12       "gdk_pixbuf-2.0" \
13       "glib-2.0" \
14       "gmodule-2.0" \
15       "gnomeui-2" \
16       "gnomevfs-2" \
17       "gobject-2.0" \
18       "gthread-2.0" \
19       "gtk-x11-2.0" \
20       "pango-1.0" \
21       "pangocairo-1.0" \
22       "X11" \
23       "Xcomposite" \
24       "Xcursor" \
25       "Xdamage" \
26       "Xext" \
27       "Xfixes" \
28       "Xi" \
29       "Xinerama" \
30       "Xrandr" \
31       "Xrender" \
32       "Xtst" \
33       platform="linux"
34 +/
35 
36 /*******************************************************************************
37  * Copyright (c) 2000, 2005 IBM Corporation and others.
38  * All rights reserved. This program and the accompanying materials
39  * are made available under the terms of the Eclipse Public License v1.0
40  * which accompanies this distribution, and is available at
41  * http://www.eclipse.org/legal/epl-v10.html
42  *
43  * Contributors:
44  *     IBM Corporation - initial API and implementation
45  * D Port:
46  *     Bill Baxter <wbaxter@gmail.com>
47  *******************************************************************************/
48 module org.eclipse.swt.snippets.Snippet193;
49 
50 /*
51  * Tree example snippet: allow user to reorder columns by dragging and programmatically.
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.widgets.Display;
60 import org.eclipse.swt.widgets.Shell;
61 import org.eclipse.swt.widgets.Tree;
62 import org.eclipse.swt.widgets.TreeItem;
63 import org.eclipse.swt.widgets.TreeColumn;
64 import org.eclipse.swt.widgets.Button;
65 import org.eclipse.swt.widgets.Listener;
66 import org.eclipse.swt.widgets.Event;
67 import org.eclipse.swt.layout.RowLayout;
68 import org.eclipse.swt.layout.RowData;
69 
70 version(Tango){
71     import tango.util.Convert;
72     import tango.io.Stdout;
73 } else { // Phobos
74     import std.conv;
75     import std.stdio;
76 }
77 
78 import java.lang.all;
79 
80 
81 void main() {
82     Display display = new Display();
83     Shell shell = new Shell(display);
84     shell.setLayout(new RowLayout(SWT.HORIZONTAL));
85     Tree tree = new Tree(shell, SWT.BORDER | SWT.CHECK);
86     tree.setLayoutData(new RowData(-1, 300));
87     tree.setHeaderVisible(true);
88     TreeColumn column = new TreeColumn(tree, SWT.LEFT);
89     column.setText("Column 0");
90     column = new TreeColumn(tree, SWT.CENTER);
91     column.setText("Column 1");
92     column = new TreeColumn(tree, SWT.LEFT);
93     column.setText("Column 2");
94     column = new TreeColumn(tree, SWT.RIGHT);
95     column.setText("Column 3");
96     column = new TreeColumn(tree, SWT.CENTER);
97     column.setText("Column 4");
98     for (int i = 0; i < 5; i++) {
99         TreeItem item = new TreeItem(tree, SWT.NONE);
100         auto istr = to!(String)(i);
101         String[] text = [istr~":0",
102                          istr~":1",
103                          istr~":2",
104                          istr~":3",
105                          istr~":4"];
106         item.setText(text);
107         for (int j = 0; j < 5; j++) {
108             auto jstr = to!(String)(j);
109             TreeItem subItem = new TreeItem(item, SWT.NONE);
110             text = [istr~","~jstr~":0",
111                     istr~","~jstr~":1", 
112                     istr~","~jstr~":2",
113                     istr~","~jstr~":3",
114                     istr~","~jstr~":4"];
115             subItem.setText(text);
116             for (int k = 0; k < 5; k++) {
117                 auto kstr = to!(String)(k);
118                 TreeItem subsubItem = new TreeItem(subItem, SWT.NONE);
119                 text = [istr~","~jstr~","~kstr~":0",
120                         istr~","~jstr~","~kstr~":1",
121                         istr~","~jstr~","~kstr~":2",
122                         istr~","~jstr~","~kstr~":3",
123                         istr~","~jstr~","~kstr~":4"];
124                 subsubItem.setText(text);
125             }
126         }
127     }
128     Listener listener = new class Listener {
129         public void handleEvent(Event e) {
130             version(Tango){
131                 Stdout.print("Move "~e.widget.toString).newline;
132             } else {
133                 writeln("Move "~e.widget.toString);
134             }
135         }
136     };
137     TreeColumn[] columns = tree.getColumns();
138     for (int i = 0; i < columns.length; i++) {
139         columns[i].setWidth(100);
140         columns[i].setMoveable(true);
141         columns[i].addListener(SWT.Move, listener);
142     }
143     Button b = new Button(shell, SWT.PUSH);
144     b.setText("invert column order");
145     b.addListener(SWT.Selection, new class Listener {
146         public void handleEvent(Event e) {
147             int[] order = tree.getColumnOrder();
148             for (int i = 0; i < order.length / 2; i++) {
149                 int temp = order[i];
150                 order[i] = order[order.length - i - 1];
151                 order[order.length - i - 1] = temp;
152             }
153             tree.setColumnOrder(order);
154         }
155     });
156     shell.pack();
157     shell.open();
158     while (!shell.isDisposed()) {
159         if (!display.readAndDispatch())
160             display.sleep();
161     }
162     display.dispose();
163 }