src/jexer/demos/DemoApplication.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.File;
  32 import java.io.InputStream;
  33 import java.io.IOException;
  34 import java.io.OutputStream;
  35 import java.io.PrintWriter;
  36 import java.io.Reader;
  37 import java.io.UnsupportedEncodingException;
  38 import java.util.ResourceBundle;
  39
  40 import jexer.TApplication;
  41 import jexer.TEditColorThemeWindow;
  42 import jexer.TEditorWindow;
  43 import jexer.event.TMenuEvent;
  44 import jexer.menu.TMenu;
  45 import jexer.menu.TMenuItem;
  46 import jexer.menu.TSubMenu;
  47 import jexer.backend.Backend;
  48 import jexer.backend.SwingTerminal;
  49
  50 /**
  51  * The demo application itself.
  52  */
  53 public class DemoApplication extends TApplication {
  54
  55     /**
  56      * Translated strings.
  57      */
  58     private static final ResourceBundle i18n = ResourceBundle.getBundle(DemoApplication.class.getName());
  59
  60     // ------------------------------------------------------------------------
  61     // Constructors -----------------------------------------------------------
  62     // ------------------------------------------------------------------------
  63
  64     /**
  65      * Public constructor.
  66      *
  67      * @param input an InputStream connected to the remote user, or null for
  68      * System.in.  If System.in is used, then on non-Windows systems it will
  69      * be put in raw mode; shutdown() will (blindly!) put System.in in cooked
  70      * mode.  input is always converted to a Reader with UTF-8 encoding.
  71      * @param output an OutputStream connected to the remote user, or null
  72      * for System.out.  output is always converted to a Writer with UTF-8
  73      * encoding.
  74      * @throws UnsupportedEncodingException if an exception is thrown when
  75      * creating the InputStreamReader
  76      */
  77     public DemoApplication(final InputStream input,
  78         final OutputStream output) throws UnsupportedEncodingException {
  79         super(input, output);
  80         addAllWidgets();
  81
  82         getBackend().setTitle(i18n.getString("applicationTitle"));
  83     }
  84
  85     /**
  86      * Public constructor.
  87      *
  88      * @param input the InputStream underlying 'reader'.  Its available()
  89      * method is used to determine if reader.read() will block or not.
  90      * @param reader a Reader connected to the remote user.
  91      * @param writer a PrintWriter connected to the remote user.
  92      * @param setRawMode if true, set System.in into raw mode with stty.
  93      * This should in general not be used.  It is here solely for Demo3,
  94      * which uses System.in.
  95      * @throws IllegalArgumentException if input, reader, or writer are null.
  96      */
  97     public DemoApplication(final InputStream input, final Reader reader,
  98         final PrintWriter writer, final boolean setRawMode) {
  99         super(input, reader, writer, setRawMode);
 100         addAllWidgets();
 101
 102         getBackend().setTitle(i18n.getString("applicationTitle"));
 103     }
 104
 105     /**
 106      * Public constructor.
 107      *
 108      * @param input the InputStream underlying 'reader'.  Its available()
 109      * method is used to determine if reader.read() will block or not.
 110      * @param reader a Reader connected to the remote user.
 111      * @param writer a PrintWriter connected to the remote user.
 112      * @throws IllegalArgumentException if input, reader, or writer are null.
 113      */
 114     public DemoApplication(final InputStream input, final Reader reader,
 115         final PrintWriter writer) {
 116
 117         this(input, reader, writer, false);
 118     }
 119
 120     /**
 121      * Public constructor.
 122      *
 123      * @param backend a Backend that is already ready to go.
 124      */
 125     public DemoApplication(final Backend backend) {
 126         super(backend);
 127
 128         addAllWidgets();
 129     }
 130
 131     /**
 132      * Public constructor.
 133      *
 134      * @param backendType one of the TApplication.BackendType values
 135      * @throws Exception if TApplication can't instantiate the Backend.
 136      */
 137     public DemoApplication(final BackendType backendType) throws Exception {
 138         // For the Swing demo, use an initial size of 82x28 so that a
 139         // terminal window precisely fits the window.
 140         super(backendType, (backendType == BackendType.SWING ? 82 : -1),
 141             (backendType == BackendType.SWING ? 28 : -1), 20);
 142         addAllWidgets();
 143         getBackend().setTitle(i18n.getString("applicationTitle"));
 144     }
 145
 146     // ------------------------------------------------------------------------
 147     // TApplication -----------------------------------------------------------
 148     // ------------------------------------------------------------------------
 149
 150     /**
 151      * Handle menu events.
 152      *
 153      * @param menu menu event
 154      * @return if true, the event was processed and should not be passed onto
 155      * a window
 156      */
 157     @Override
 158     public boolean onMenu(final TMenuEvent menu) {
 159
 160         if (menu.getId() == 3000) {
 161             // Bigger +2
 162             assert (getScreen() instanceof SwingTerminal);
 163             SwingTerminal terminal = (SwingTerminal) getScreen();
 164             terminal.setFontSize(terminal.getFontSize() + 2);
 165             return true;
 166         }
 167         if (menu.getId() == 3001) {
 168             // Smaller -2
 169             assert (getScreen() instanceof SwingTerminal);
 170             SwingTerminal terminal = (SwingTerminal) getScreen();
 171             terminal.setFontSize(terminal.getFontSize() - 2);
 172             return true;
 173         }
 174
 175         if (menu.getId() == 2050) {
 176             new TEditColorThemeWindow(this);
 177             return true;
 178         }
 179
 180         if (menu.getId() == TMenu.MID_OPEN_FILE) {
 181             try {
 182                 String filename = fileOpenBox(".");
 183                  if (filename != null) {
 184                      try {
 185                          new TEditorWindow(this, new File(filename));
 186                      } catch (IOException e) {
 187                          e.printStackTrace();
 188                      }
 189                  }
 190             } catch (IOException e) {
 191                 e.printStackTrace();
 192             }
 193             return true;
 194         }
 195         return super.onMenu(menu);
 196     }
 197
 198     // ------------------------------------------------------------------------
 199     // DemoApplication --------------------------------------------------------
 200     // ------------------------------------------------------------------------
 201
 202     /**
 203      * Add all the widgets of the demo.
 204      */
 205     private void addAllWidgets() {
 206         new DemoMainWindow(this);
 207
 208         // Add the menus
 209         addToolMenu();
 210         addFileMenu();
 211         addEditMenu();
 212
 213         TMenu demoMenu = addMenu(i18n.getString("demo"));
 214         TMenuItem item = demoMenu.addItem(2000, i18n.getString("checkable"));
 215         item.setCheckable(true);
 216         item = demoMenu.addItem(2001, i18n.getString("disabled"));
 217         item.setEnabled(false);
 218         item = demoMenu.addItem(2002, i18n.getString("normal"));
 219         TSubMenu subMenu = demoMenu.addSubMenu(i18n.getString("subMenu"));
 220         item = demoMenu.addItem(2010, i18n.getString("normal"));
 221         item = demoMenu.addItem(2050, i18n.getString("colors"));
 222
 223         item = subMenu.addItem(2000, i18n.getString("checkableSub"));
 224         item.setCheckable(true);
 225         item = subMenu.addItem(2001, i18n.getString("disabledSub"));
 226         item.setEnabled(false);
 227         item = subMenu.addItem(2002, i18n.getString("normalSub"));
 228
 229         subMenu = subMenu.addSubMenu(i18n.getString("subMenu"));
 230         item = subMenu.addItem(2000, i18n.getString("checkableSub"));
 231         item.setCheckable(true);
 232         item = subMenu.addItem(2001, i18n.getString("disabledSub"));
 233         item.setEnabled(false);
 234         item = subMenu.addItem(2002, i18n.getString("normalSub"));
 235
 236         if (getScreen() instanceof SwingTerminal) {
 237             TMenu swingMenu = addMenu(i18n.getString("swing"));
 238             item = swingMenu.addItem(3000, i18n.getString("bigger"));
 239             item = swingMenu.addItem(3001, i18n.getString("smaller"));
 240         }
 241
 242         addTableMenu();
 243         addWindowMenu();
 244         addHelpMenu();
 245     }
 246
 247 }