Merge branch 'subtree'
[fanfix.git] / src / jexer / demos / DemoTreeViewWindow.java
1 /*
2 * Jexer - Java Text User Interface
3 *
4 * The MIT License (MIT)
5 *
6 * Copyright (C) 2019 Kevin Lamonte
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
25 *
26 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
27 * @version 1
28 */
29 package jexer.demos;
30
31 import java.io.IOException;
32 import java.util.ResourceBundle;
33
34 import jexer.TApplication;
35 import jexer.TWidget;
36 import jexer.TWindow;
37 import jexer.event.TResizeEvent;
38 import jexer.ttree.TDirectoryTreeItem;
39 import jexer.ttree.TTreeViewWidget;
40 import static jexer.TCommand.*;
41 import static jexer.TKeypress.*;
42
43 /**
44 * This window demonstates the TTreeView widget.
45 */
46 public class DemoTreeViewWindow extends TWindow {
47
48 /**
49 * Translated strings.
50 */
51 private static final ResourceBundle i18n = ResourceBundle.getBundle(DemoTreeViewWindow.class.getName());
52
53 // ------------------------------------------------------------------------
54 // Variables --------------------------------------------------------------
55 // ------------------------------------------------------------------------
56
57 /**
58 * Hang onto my TTreeView so I can resize it with the window.
59 */
60 private TTreeViewWidget treeView;
61
62 // ------------------------------------------------------------------------
63 // Constructors -----------------------------------------------------------
64 // ------------------------------------------------------------------------
65
66 /**
67 * Public constructor.
68 *
69 * @param parent the main application
70 * @throws IOException if a java.io operation throws
71 */
72 public DemoTreeViewWindow(final TApplication parent) throws IOException {
73 super(parent, i18n.getString("windowTitle"), 0, 0, 44, 16,
74 TWindow.RESIZABLE);
75
76 // Load the treeview with "stuff"
77 treeView = addTreeViewWidget(1, 1, 40, 12);
78 new TDirectoryTreeItem(treeView, ".", true);
79
80 statusBar = newStatusBar(i18n.getString("statusBar"));
81 statusBar.addShortcutKeypress(kbF1, cmHelp,
82 i18n.getString("statusBarHelp"));
83 statusBar.addShortcutKeypress(kbF2, cmShell,
84 i18n.getString("statusBarShell"));
85 statusBar.addShortcutKeypress(kbF3, cmOpen,
86 i18n.getString("statusBarOpen"));
87 statusBar.addShortcutKeypress(kbF10, cmExit,
88 i18n.getString("statusBarExit"));
89 }
90
91 // ------------------------------------------------------------------------
92 // TWindow ----------------------------------------------------------------
93 // ------------------------------------------------------------------------
94
95 /**
96 * Handle window/screen resize events.
97 *
98 * @param resize resize event
99 */
100 @Override
101 public void onResize(final TResizeEvent resize) {
102 if (resize.getType() == TResizeEvent.Type.WIDGET) {
103 // Resize the treeView field
104 TResizeEvent treeSize = new TResizeEvent(TResizeEvent.Type.WIDGET,
105 resize.getWidth() - 4, resize.getHeight() - 4);
106 treeView.onResize(treeSize);
107 return;
108 }
109
110 // Pass to children instead
111 for (TWidget widget: getChildren()) {
112 widget.onResize(resize);
113 }
114 }
115
116 }