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comparison dwtsnippets/tree/Snippet8.d @ 27:580d6cc14afd

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Added tree and table snippets. Cleaned up .hgignore.
author Jesse Phillips <Jesse.K.Phillips+D@gmail.com>
date Sun, 02 Mar 2008 11:11:34 -0800
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children 8ee0dfe6f685
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26:ff27e8ad465c 27:580d6cc14afd
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 * D Port:
11 * Jesse Phillips <Jesse.K.Phillips+D> gmail.com
12 *******************************************************************************/
13 module dwtsnippets.tree.Snippet8;
14
15 /*
16 * Tree example snippet: create a tree (lazy)
17 *
18 * For a list of all DWT example snippets see
19 * http://www.eclipse.org/swt/snippets/
20 */
21
22 import dwt.DWT;
23 import dwt.layout.FillLayout;
24 import dwt.graphics.Point;
25 import dwt.widgets.Display;
26 import dwt.widgets.Event;
27 import dwt.widgets.Listener;
28 import dwt.widgets.Shell;
29 import dwt.widgets.Tree;
30 import dwt.widgets.TreeItem;
31
32 import tango.math.Math;
33 import tango.io.FilePath;
34 import tango.io.FileRoots;
35
36 void main () {
37 auto display = new Display ();
38 auto shell = new Shell (display);
39 shell.setText ("Lazy Tree");
40 shell.setLayout (new FillLayout ());
41 auto tree = new Tree (shell, DWT.BORDER);
42 auto roots = FileRoots.list();
43 foreach (file; roots) {
44 auto root = new TreeItem (tree, 0);
45 root.setText (file);
46 root.setData (new FilePath(file));
47 new TreeItem (root, 0);
48 }
49 tree.addListener (DWT.Expand, new class Listener {
50 public void handleEvent (Event event) {
51 auto root = cast(TreeItem) event.item;
52 auto items = root.getItems ();
53 foreach(item; items) {
54 if (item.getData () !is null) return;
55 item.dispose ();
56 }
57 auto file = cast(FilePath) root.getData ();
58 auto files = file.toList();
59 if (files is null) return;
60 foreach (f; files) {
61 TreeItem item = new TreeItem (root, 0);
62 item.setText (f.toString());
63 item.setData (f);
64 if (f.isFolder()) {
65 new TreeItem (item, 0);
66 }
67 }
68 }
69 });
70 auto size = tree.computeSize (300, DWT.DEFAULT);
71 auto width = Math.max (300, size.x);
72 auto height = Math.max (300, size.y);
73 shell.setSize (shell.computeSize (width, height));
74 shell.open ();
75 while (!shell.isDisposed ()) {
76 if (!display.readAndDispatch ()) display.sleep ();
77 }
78 display.dispose ();
79 }