#!/bin/bash
#Universal library for dialog and Xdialog.
#This should work transparantly in textmode and grapical mode
#(C)DatuX 2005 - all rights reserved

if [ ! "$LANG" ]; then
	export LANG="en"
fi
source ./lang_$LANG.sh || exit 1

WAIT=1
TIMEOUT=""
BUTTONS=""
NEXTCANCEL="--ok-label '`_Next` >>' --cancel-label '`_Cancel`'"
YESNO="--ok-label '`_Yes`' --cancel-label '`_No`'"

showlicense()
{
	#kill old stuff
	kill $PID &>/dev/null
	PID=
	BG=""
	if [ $WAIT == "0" ]; then
		BG='&';
	fi
	
	if [ $DISPLAY ]; then
		eval Xdialog --cr-wrap --ok-label "'`_Accept` >>'" --no-close --cancel-label "'`_NotAccepted`'" --left --stdout --title "'$TITLE'" $BUTTONS "$@" $TIMEOUT $BG 
	else
		BT="`_Installation`";
		eval dialog --cr-wrap --ok-label "'`_Accept` >>'" --cancel-label "'`_NotAccepted`'" --yes-label "`_Yes`" --no-label "`_No`" --stdout --backtitle "'$BT'" "$DEF" --title "'$TITLE'" "$@" $BG 
	fi
	RET=$?
	PID=$!
	return $RET
}


dialogrun()
{
	#kill old stuff
	kill $PID &>/dev/null
	PID=
	BG=""
	if [ $WAIT == "0" ]; then
		BG='&';
	fi
	
	if [ $DISPLAY ]; then
		eval Xdialog --cr-wrap --separator '\ ' --left --stdout --title "'$TITLE'" $BUTTONS "$@" $TIMEOUT $BG 
	else
		BT="`_Installation`";
		eval dialog --cr-wrap --yes-label "`_Yes`" --no-label "`_No`" --stdout --backtitle "'$BT'" "$DEF" --title "'$TITLE'" "$@" $BG 
	fi
	RET=$?
	PID=$!
	return $RET
}

menu()
{
	dialogrun $NEXTCANCEL --menu "'$QUERY'" 15 70 5 "$@"
	return $?
}

progress()
{
	WAIT=0
	BUTTONS="--no-buttons"
	TIMEOUT="999999"
	dialogrun $NEXTCANCEL --infobox "\"$@\"" 0 0
	WAIT=1
	BUTTONS=""
	TIMEOUT=""
	sleep 1;
}

msgbox()
{
	dialogrun $NEXTCANCEL --msgbox "\"$@\"" 0 0 
}

inputbox()
{
	dialogrun $NEXTCANCEL --no-cancel --inputbox "'$QUERY'" 0 0 $1
}

accept()
{	
	showlicense $YESNO --yesno "\"$@\"" 0 0
}
	
yesno()
{
	dialogrun $YESNO --yesno "\"$@\"" 0 0
}

nextcancel()
{
	dialogrun $NEXTCANCEL --yesno "\"$@\"" 0 0
}

abort()
{
	dialogrun $NEXTCANCEL --msgbox "\"$@\n`_InstallationAborted`\"" 0 0
	exit 1;
}

gauge()
{
	dialogrun $NEXTCANCEL --gauge "\"$@\"" 10 70
}

license()
{
	showlicense $NEXTCANCEL --textbox "\"$@\"" 20 70 
}

showfile()
{
	dialogrun $NEXTCANCEL --textbox "\"$@\"" 20 70 
}

checklist()
{
	dialogrun $NEXTCANCEL --separate-output --checklist "'$QUERY'" 15 70 8 "$@"
}

#replace newlines with \n
quote()
{
	tr '\n' '#' <<<"$1" |sed 's/#/\\n/g' |sed "s/'//g"
}

#enter a temporary shell, with extra helptext for prompt
shell()
{
	if [ "$DISPLAY" ]; then
		PS1="$*\n# " xterm -e bash --noprofile -l
	else
		PS1="$*\n# " bash --noprofile -l
	fi
}

execute()
{
	if [ "$DISPLAY" ]; then
		echo 1 > /tmp/exitcode
		xterm -T "`_Processing`" -e "$* ; echo \$? > /tmp/exitcode" 
		EXITCODE=`cat /tmp/exitcode`
		return $EXITCODE
	else
		$*
		return $?
	fi
}