src/be/nikiroo/jvcard/tui/TuiLauncherJexer.java

   1 package be.nikiroo.jvcard.tui;
   2
   3 import java.io.IOException;
   4 import java.io.UnsupportedEncodingException;
   5 import java.util.List;
   6
   7 import jexer.TApplication;
   8 import jexer.TWindow;
   9 import be.nikiroo.jvcard.tui.windows.TuiFileListWindow;
  10
  11 /**
  12  * Starting the TUI.
  13  *
  14  * @author niki
  15  */
  16 public class TuiLauncherJexer extends TApplication {
  17
  18         /**
  19          * @param textMode
  20          *            TRUE to force text mode, FALSE to force the Swing terminal
  21          *            emulator, null to automatically determine the best choice
  22          * @param files
  23          *            the files to show at startup
  24          * @throws UnsupportedEncodingException
  25          */
  26         public TuiLauncherJexer(final Boolean textMode, final List<String> files)
  27                         throws UnsupportedEncodingException {
  28                 super(backend(textMode));
  29
  30                 addFileMenu();
  31                 addWindowMenu();
  32
  33                 @SuppressWarnings("unused")
  34                 TWindow w = new TuiFileListWindow(this, files);
  35         }
  36
  37         /**
  38          * Start the TUI program.
  39          *
  40          * @throws IOException
  41          *             in case of IO error
  42          */
  43         public void start() throws IOException {
  44                 (new Thread(this)).start();
  45         }
  46
  47         /**
  48          * Select the most appropriate backend.
  49          *
  50          * @param textMode
  51          *            NULL for auto-dection
  52          * @return the backend type to use
  53          */
  54         private static BackendType backend(Boolean textMode) {
  55                 if (textMode == null) {
  56                         boolean isMsWindows = System.getProperty("os.name", "")
  57                                         .toLowerCase().startsWith("windows");
  58                         boolean forceSwing = System.getProperty("jexer.Swing", "false")
  59                                         .equals("true");
  60                         boolean noConsole = System.console() == null;
  61                         if (isMsWindows || forceSwing || noConsole) {
  62                                 return BackendType.SWING;
  63                         }
  64
  65                         return BackendType.XTERM;
  66                 }
  67
  68                 if (textMode) {
  69                         return BackendType.XTERM;
  70                 }
  71
  72                 return BackendType.SWING;
  73         }
  74 }