| 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 | */ |
| 31 | package jexer.demos; |
| 32 | |
| 33 | import java.io.*; |
| 34 | import java.util.*; |
| 35 | |
| 36 | import jexer.*; |
| 37 | import jexer.event.*; |
| 38 | import jexer.menu.*; |
| 39 | |
| 40 | /** |
| 41 | * The demo application itself. |
| 42 | */ |
| 43 | public class DemoApplication extends TApplication { |
| 44 | |
| 45 | /** |
| 46 | * Add all the widgets of the demo. |
| 47 | */ |
| 48 | private void addAllWidgets() { |
| 49 | new DemoMainWindow(this); |
| 50 | |
| 51 | // Add the menus |
| 52 | addFileMenu(); |
| 53 | addEditMenu(); |
| 54 | |
| 55 | TMenu demoMenu = addMenu("&Demo"); |
| 56 | TMenuItem item = demoMenu.addItem(2000, "&Checkable"); |
| 57 | item.setCheckable(true); |
| 58 | item = demoMenu.addItem(2001, "Disabled"); |
| 59 | item.setEnabled(false); |
| 60 | item = demoMenu.addItem(2002, "&Normal"); |
| 61 | TSubMenu subMenu = demoMenu.addSubMenu("Sub-&Menu"); |
| 62 | item = demoMenu.addItem(2010, "N&ormal A&&D"); |
| 63 | |
| 64 | item = subMenu.addItem(2000, "&Checkable (sub)"); |
| 65 | item.setCheckable(true); |
| 66 | item = subMenu.addItem(2001, "Disabled (sub)"); |
| 67 | item.setEnabled(false); |
| 68 | item = subMenu.addItem(2002, "&Normal (sub)"); |
| 69 | |
| 70 | subMenu = subMenu.addSubMenu("Sub-&Menu"); |
| 71 | item = subMenu.addItem(2000, "&Checkable (sub)"); |
| 72 | item.setCheckable(true); |
| 73 | item = subMenu.addItem(2001, "Disabled (sub)"); |
| 74 | item.setEnabled(false); |
| 75 | item = subMenu.addItem(2002, "&Normal (sub)"); |
| 76 | |
| 77 | addWindowMenu(); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Public constructor. |
| 82 | * |
| 83 | * @param input an InputStream connected to the remote user, or null for |
| 84 | * System.in. If System.in is used, then on non-Windows systems it will |
| 85 | * be put in raw mode; shutdown() will (blindly!) put System.in in cooked |
| 86 | * mode. input is always converted to a Reader with UTF-8 encoding. |
| 87 | * @param output an OutputStream connected to the remote user, or null |
| 88 | * for System.out. output is always converted to a Writer with UTF-8 |
| 89 | * encoding. |
| 90 | * @throws UnsupportedEncodingException if an exception is thrown when |
| 91 | * creating the InputStreamReader |
| 92 | */ |
| 93 | public DemoApplication(final InputStream input, |
| 94 | final OutputStream output) throws UnsupportedEncodingException { |
| 95 | super(input, output); |
| 96 | addAllWidgets(); |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Handle menu events. |
| 101 | * |
| 102 | * @param menu menu event |
| 103 | * @return if true, the event was processed and should not be passed onto |
| 104 | * a window |
| 105 | */ |
| 106 | @Override |
| 107 | public boolean onMenu(TMenuEvent menu) { |
| 108 | if (menu.getId() == TMenu.MID_OPEN_FILE) { |
| 109 | try { |
| 110 | String filename = fileOpenBox("."); |
| 111 | if (filename != null) { |
| 112 | try { |
| 113 | File file = new File(filename); |
| 114 | StringBuilder fileContents = new StringBuilder(); |
| 115 | Scanner scanner = new Scanner(file); |
| 116 | String EOL = System.getProperty("line.separator"); |
| 117 | |
| 118 | try { |
| 119 | while(scanner.hasNextLine()) { |
| 120 | fileContents.append(scanner.nextLine() + EOL); |
| 121 | } |
| 122 | new DemoTextWindow(this, filename, |
| 123 | fileContents.toString()); |
| 124 | } finally { |
| 125 | scanner.close(); |
| 126 | } |
| 127 | } catch (IOException e) { |
| 128 | e.printStackTrace(); |
| 129 | } |
| 130 | } |
| 131 | } catch (IOException e) { |
| 132 | e.printStackTrace(); |
| 133 | } |
| 134 | return true; |
| 135 | } |
| 136 | return super.onMenu(menu); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Public constructor. |
| 141 | * |
| 142 | * @param backendType one of the TApplication.BackendType values |
| 143 | * @throws Exception if TApplication can't instantiate the Backend. |
| 144 | */ |
| 145 | public DemoApplication(BackendType backendType) throws Exception { |
| 146 | super(backendType); |
| 147 | addAllWidgets(); |
| 148 | } |
| 149 | } |