| 1 | /* |
| 2 | * Jexer - Java Text User Interface |
| 3 | * |
| 4 | * The MIT License (MIT) |
| 5 | * |
| 6 | * Copyright (C) 2017 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 | |
| 33 | import jexer.*; |
| 34 | import jexer.event.*; |
| 35 | import static jexer.TCommand.*; |
| 36 | import static jexer.TKeypress.*; |
| 37 | |
| 38 | /** |
| 39 | * This window demonstates the TTreeView widget. |
| 40 | */ |
| 41 | public 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 | * @throws IOException if a java.io operation throws |
| 53 | */ |
| 54 | public DemoTreeViewWindow(final TApplication parent) throws IOException { |
| 55 | super(parent, "Tree View", 0, 0, 44, 16, TWindow.RESIZABLE); |
| 56 | |
| 57 | // Load the treeview with "stuff" |
| 58 | treeView = addTreeView(1, 1, 40, 12); |
| 59 | new TDirectoryTreeItem(treeView, ".", true); |
| 60 | |
| 61 | statusBar = newStatusBar("Treeview demonstration"); |
| 62 | statusBar.addShortcutKeypress(kbF1, cmHelp, "Help"); |
| 63 | statusBar.addShortcutKeypress(kbF2, cmShell, "Shell"); |
| 64 | statusBar.addShortcutKeypress(kbF3, cmOpen, "Open"); |
| 65 | statusBar.addShortcutKeypress(kbF10, cmExit, "Exit"); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Handle window/screen resize events. |
| 70 | * |
| 71 | * @param resize resize event |
| 72 | */ |
| 73 | @Override |
| 74 | public void onResize(final TResizeEvent resize) { |
| 75 | if (resize.getType() == TResizeEvent.Type.WIDGET) { |
| 76 | // Resize the text field |
| 77 | treeView.setWidth(resize.getWidth() - 4); |
| 78 | treeView.setHeight(resize.getHeight() - 4); |
| 79 | treeView.reflow(); |
| 80 | return; |
| 81 | } |
| 82 | |
| 83 | // Pass to children instead |
| 84 | for (TWidget widget: getChildren()) { |
| 85 | widget.onResize(resize); |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | } |