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[fanfix.git] / src / jexer / demos / DemoTreeViewWindow.java
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1/*
2 * Jexer - Java Text User Interface
3 *
4 * License: LGPLv3 or later
5 *
6 * This module is licensed under the GNU Lesser General Public License
7 * Version 3. Please see the file "COPYING" in this directory for more
8 * information about the GNU Lesser General Public License Version 3.
9 *
10 * Copyright (C) 2015 Kevin Lamonte
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public License
14 * as published by the Free Software Foundation; either version 3 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this program; if not, see
24 * http://www.gnu.org/licenses/, or write to the Free Software
25 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
26 * 02110-1301 USA
27 *
28 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
29 * @version 1
30 */
31package jexer.demos;
32
33import java.io.IOException;
34
35import jexer.*;
36import jexer.event.*;
37
38/**
39 * This window demonstates the TTreeView widget.
40 */
41public class DemoTreeViewWindow extends TWindow {
42
43 /**
44 * Hang onto my TTreeView so I can resize it with the window.
45 */
46 private TTreeView treeView;
47
48 /**
49 * Public constructor.
50 *
51 * @param parent the main application
52 */
53 public DemoTreeViewWindow(TApplication parent) throws IOException {
54 super(parent, "Tree View", 0, 0, 44, 16, TWindow.RESIZABLE);
55
56 // Load the treeview with "stuff"
57 treeView = addTreeView(1, 1, 40, 12);
58 new TDirectoryTreeItem(treeView, ".", true);
59 }
60
61 /**
62 * Handle window/screen resize events.
63 *
64 * @param resize resize event
65 */
66 @Override
67 public void onResize(TResizeEvent resize) {
68 if (resize.getType() == TResizeEvent.Type.WIDGET) {
69 // Resize the text field
70 treeView.setWidth(resize.getWidth() - 4);
71 treeView.setHeight(resize.getHeight() - 4);
72 treeView.reflow();
73 return;
74 }
75
76 // Pass to children instead
77 for (TWidget widget: getChildren()) {
78 widget.onResize(resize);
79 }
80 }
81
82}