#! /bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/system-base-set-menu-style - set menu style
#
# Creation:     2005-08-06 dv
# Last Update:  $Id$
#
# Copyright (c) 2001-2008 the eisfair team, team(at)eisfair(dot)org
#
# 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.
#----------------------------------------------------------------------------

# include eislib
. /var/install/include/eislib

#----------------------------------------------------------------------------
# main
#----------------------------------------------------------------------------
    # set page titel
    clrhome
    mecho -info "Set eisfair menu style"
    echo
    echo

    # set menu style:executable
    menu_style="Classic text style:/var/install/bin/show-menu
                Curses style:/var/install/bin/show-menu.cui"

    # get current menu executable
    current_menu_exec=`grep "^MENU=" /etc/config.d/setup |
                        sed "s#^MENU=['\"]##; s/['\"].*$//"`

    # show current menu style
    echo -n "Current eisfair menu style: "

     _OLD_IFS=${IFS}
    IFS=:
    # get the display name from current menu executable
    echo "${menu_style}" |
    while read _style _menu_exec
    do
        if [ "${_menu_exec}" = "${current_menu_exec}" ]
        then
            # strip leading spaces
            _style="`echo "${_style}" | sed 's/^ *//'`"
            mecho -info "${_style}"
        else
            continue
        fi
    done

    # show avialable menu styles
    techo begin 6r 32*
    echo
    echo
    _idx=1
    echo "${menu_style}" |
    while read _style _menu_exec
    do
        # strip leading spaces
        _style="`echo "${_style}" | sed 's/^ *//'`"
        techo row "${_idx}." "${_style}"
        _idx=`expr ${_idx} + 1`
    done
    echo
    echo
    techo end
    style_to_work=`/var/install/bin/ask "Select" "" "1-$(echo "${menu_style}" | wc -l)" "^$=Return" "0=Exit"`

    case "${style_to_work}" in
        "")
            IFS=${_OLD_IFS}
            exit 0
        ;;
        0)
            IFS=${_OLD_IFS}
            exit 127
        ;;
        *)
            # get the entry to write
            menu_line="`echo "${menu_style}"       |
                        sed -n "${style_to_work}p" |
                        sed 's/^ *//'`"

            set -- ${menu_line}

            if [ "${2}" != "${current_menu_exec}" ]
            then
                # write in config file
                sed -e "s#^MENU=['\"].*['\"]#MENU='${2}'#" /etc/config.d/setup  >/tmp/edit-$$
                cp /tmp/edit-$$ /etc/config.d/setup
                rm -f /tmp/edit-$$
                IFS=${_OLD_IFS}

                echo
                mecho -info -n "You need to "
                mecho -n "Exit "
                mecho -info "from the currently running"
                mecho -info "menu to make the changes take effekt."
                echo

                _my_answer=`/var/install/bin/ask "Select" "" "^$=Return" "0=Exit"`

                case ${_my_answer} in
                    '') exit 0     ;;
                    0)  exit 127   ;;
                esac
            fi
        ;;
    esac

exit 0