src/jexer/demos/DemoApplication.java

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