#!/bin/sh
 
# The idea for this was taken from
# https://gist.github.com/menski/2891431 and modified slightly

# wait for the dock state to change
set -x
# use the xdm xauthority
XAUTHORITY="$(ls -1 /var/lib/xdm/authdir/authfiles/*|head -n1)"
export XAUTHORITY
DISPLAY=":0.0"
export DISPLAY
sleep 1
DOCKED=$(cat /sys/devices/platform/dock.2/docked)
case "$DOCKED" in
    "0")
        #undocked event - lets remove all connected outputs apart from LVDS
        for output in $(/usr/bin/xrandr | grep " connected" | grep -v LVDS | awk '{print $1}')
        do
            /usr/bin/xrandr --output $output --off
        done
        for output in $(/usr/bin/xrandr | grep " connected" | grep LVDS | awk '{print $1}')
        do
            /usr/bin/xrandr --output $output --auto
        done
        ;;
    "1")
        # docked event; enable all of the screens
        /usr/bin/xrandr --auto
        ;;
esac
exit 0