2 * Jexer - Java Text User Interface
4 * The MIT License (MIT)
6 * Copyright (C) 2017 Kevin Lamonte
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:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
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.
26 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
31 import java
.io
.IOException
;
36 import static jexer
.TCommand
.*;
37 import static jexer
.TKeypress
.*;
40 * This window demonstates the TTreeView widget.
42 public class DemoTreeViewWindow
extends TWindow
{
44 // ------------------------------------------------------------------------
45 // Variables --------------------------------------------------------------
46 // ------------------------------------------------------------------------
49 * Hang onto my TTreeView so I can resize it with the window.
51 private TTreeViewWidget treeView
;
53 // ------------------------------------------------------------------------
54 // Constructors -----------------------------------------------------------
55 // ------------------------------------------------------------------------
60 * @param parent the main application
61 * @throws IOException if a java.io operation throws
63 public DemoTreeViewWindow(final TApplication parent
) throws IOException
{
64 super(parent
, "Tree View", 0, 0, 44, 16, TWindow
.RESIZABLE
);
66 // Load the treeview with "stuff"
67 treeView
= addTreeViewWidget(1, 1, 40, 12);
68 new TDirectoryTreeItem(treeView
, ".", true);
70 statusBar
= newStatusBar("Treeview demonstration");
71 statusBar
.addShortcutKeypress(kbF1
, cmHelp
, "Help");
72 statusBar
.addShortcutKeypress(kbF2
, cmShell
, "Shell");
73 statusBar
.addShortcutKeypress(kbF3
, cmOpen
, "Open");
74 statusBar
.addShortcutKeypress(kbF10
, cmExit
, "Exit");
77 // ------------------------------------------------------------------------
78 // TWindow ----------------------------------------------------------------
79 // ------------------------------------------------------------------------
82 * Handle window/screen resize events.
84 * @param resize resize event
87 public void onResize(final TResizeEvent resize
) {
88 if (resize
.getType() == TResizeEvent
.Type
.WIDGET
) {
89 // Resize the treeView field
90 TResizeEvent treeSize
= new TResizeEvent(TResizeEvent
.Type
.WIDGET
,
91 resize
.getWidth() - 4, resize
.getHeight() - 4);
92 treeView
.onResize(treeSize
);
96 // Pass to children instead
97 for (TWidget widget
: getChildren()) {
98 widget
.onResize(resize
);