#! /bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/show-menu - show menu
#
# Copyright (c) 2001-2004 Frank Meyer <frank@eisfair(dot)org>
#
# Creation:     04.11.2001  fm
# Last Update:  $Id$
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

menu_file="$1"
url=

read_menu_file()
{
  n=0
  while read line
  do
      if [ $n -eq 0 ]
      then
          title="$line"
      else
          if [ "$line" = '$URL' ]
          then
              url=`cat /var/install/url`
              n=`expr $n - 1`
          elif [ "$line" = '$VERSION' ]
          then
              version=`cat /etc/version`
              eiskernel=`grep "<version>" /var/install/packages/eiskernel 2>/dev/null | sed 's#</*version>##g'`
              kernel=`uname -r`
              n=`expr $n - 1`
          else
              set -- $line
              command="$1"
              shift
              comment="$*"
              eval comment_$n='"$comment"'
              eval command_$n='"$command"'
          fi
      fi
      n=`expr $n + 1`
  done < $menu_file

  n=`expr $n - 1`
}

while [ 1 ]
do
    clrhome
    read_menu_file
    colecho "$title" gn
    if [ "$url" != "" ]
    then
        url=`cat /var/install/url`
        echo "URL: $url"
    elif [ "$version" != "" ]
    then
        echo "base: $version   eiskernel: $eiskernel ($kernel)"
    else
        echo
    fi

    if [ $n -ge 10 ]
    then
        lines_used=`expr $n + 1`
    else
        lines_used=`expr $n '*' 2 + 2`
    fi
    blank_lines=`expr 22 - $lines_used`
    blank_lines=`expr $blank_lines / 2`

    i=1
    while [ $i -le $blank_lines ]
    do
        echo
        i=`expr $i + 1`
    done

    i=1
    while [ $i -le $n ]
    do
        eval command='$command_'$i
        eval comment='$comment_'$i

        if [ $i -lt 10 ]
        then
            echo "             $i: $comment"
        else
            echo "            $i: $comment"
        fi

        if [ $n -lt 10 ]
        then
            echo
        fi
        shift
        i=`expr $i + 1`
    done

    echo "             0: Exit"

    i=1
    while [ $i -le $blank_lines ]
    do
        echo
        i=`expr $i + 1`
    done

    echo -e "Command (1-$n, ENTER=Return 0=Exit) \c"
    read a

    if [ "$a" = 0 ]
    then
        exit 127
    fi

    if [ "$a" = "" ]
    then
        break
    fi

    if [ "$a" != "" -a $a -ge 1 -a $a -le $n ]
    then
        eval command='$command_'$a
        sh $command
        case $?
        in
            127)    exit 127;;
            0)      ;;
            *)      /var/install/bin/anykey;;
        esac
    fi
done

exit 0