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