+#!@BASH@
+
+# copyright 2002 lmoore@tump.com under the terms of the GNU LGPL.
+# additions 2005 collective@riseup.net
+
+# whiptail has trouble being called in the foo=$(whiptail ...) fashion for
+# some reason. this is very annoying. this means that we need to use
+# temporary files to store the answers from the input and list based boxes
+# and then read the answers into a REPLY variable. that just really
+# stinks, oh well, that's what you get when you have a weak link
+# implementation...
+#
+# inputBox and passwordBox could be refactored to use a common function
+
+test -z "$WIDTH" && WIDTH=0
+test -z "$HEIGHT" && HEIGHT=0
+BACKTITLE=""
+DIALOG=dialog
+HELP=
+
+setApplicationTitle() {
+ BACKTITLE=$*
+}
+
+setHelp() {
+ HELP="$@"
+}
+
+setDimension() {
+ WIDTH=$1
+ HEIGHT=$2
+}
+
+booleanBox() {
+ $DIALOG --backtitle "$BACKTITLE" --title "$1" \
+ `[ "$3" == no ] && echo '--defaultno'` --yesno "$2" $HEIGHT $WIDTH
+}
+
+msgBox() {
+ $DIALOG --backtitle "$BACKTITLE" --title "$1" \
+ --msgbox "$2" $HEIGHT $WIDTH
+}
+
+gaugeBox() {
+ $DIALOG --backtitle "$BACKTITLE" --title "$1" \
+ --gauge "$2" $HEIGHT $WIDTH 0
+}
+
+inputBox() {
+ local temp=$(mktemp -t) || exit 1
+ trap "rm -f $temp" 0
+ REPLY=
+ $DIALOG --backtitle "$BACKTITLE" --title "$1" \
+ --inputbox "$2" $HEIGHT $WIDTH "$3" 2> $temp
+ local status=$?
+ [ $status = 0 ] && REPLY=$(cat $temp)
+ rm -f $temp
+ return $status
+}
+
+# Xdialog and {dialog,whiptail} use different mechanism to "qoute" the
+# values from a checklist. {dialog,whiptail} uses standard double quoting
+# while Xdialog uses a "/" as the separator. the slash is arguably better,
+# but the double quoting is more standard. anyway, this function can be
+# overridden to allow a derived implementation to change it's quoting
+# mechanism to the standard double-quoting one. it receives two
+# arguements, the file that has the data and the box type.
+_listReplyHook() {
+ cat $1
+}
+
+# this is the base implementation of all the list based boxes, it works
+# out nicely that way. the real function just passes it's arguments to
+# this function with an extra argument specifying the actual box that
+# needs to be rendered.
+_genericListBox() {
+ local box=$1
+ shift 1
+ local title=$1
+ local text=$2
+ shift 2
+ local temp=$(mktemp -t) || exit 1
+ trap "rm -f $temp" 0
+ REPLY=
+ $DIALOG $HELP $_DEFAULT --backtitle "$BACKTITLE" --title "$title" \
+ $box "$text" $HEIGHT $WIDTH 10 \
+ "$@" 2> $temp
+ local status=$?
+ [ $status = 0 ] && REPLY=$(_listReplyHook $temp $box)
+ rm -f $temp
+ _DEFAULT=
+ return $status
+}
+
+setDefault() {
+ _DEFAULT="--default-item $1"
+}
+
+menuBox() {
+ _genericListBox --menu "$@"
+}
+
+## a menu box with additional help info displayed
+## at the bottom of the window when an item is selected
+menuBoxHelp() {
+ HELP="--item-help"
+ _genericListBox --menu "$@"
+ status=$?
+ HELP=
+ return $status
+}
+
+## a menu box with an addition button 'help'
+menuBoxHelpFile() {
+ HELP="--help-button"
+ _genericListBox --menu "$@"
+ status=$?
+ HELP=
+ return $status
+}
+
+checkBox() {
+ _genericListBox --checklist "$@"
+}
+
+radioBox() {
+ _genericListBox --radiolist "$@"
+}
+
+textBox() {
+ $DIALOG --backtitle "$BACKTITLE" --title "$1" --textbox "$2" $HEIGHT $WIDTH
+}
+
+passwordBox() {
+ local temp=$(mktemp -t) || exit 1
+ trap "rm -f $temp" 0
+ REPLY=
+ $DIALOG --backtitle "$BACKTITLE" --title "$1" \
+ --passwordbox "$2" $HEIGHT $WIDTH 2> $temp
+ local status=$?
+ [ $status = 0 ] && REPLY=$(cat $temp)
+ rm -f $temp
+ return $status
+}
+
+
+#########################################################
+## begin-item-display style lists
+##
+## these lists are built by calling fuctions multiple times.
+## this can make it easier to build your list in a loop
+##
+
+listBegin() {
+ _menu_title=$1
+ _menu_msg=$2
+ _menu_items=0
+ _menu_text=
+ _menu_labels=
+ _menu_status=
+}
+
+listItem() {
+ _menu_labels[$_menu_items]=$1
+ _menu_text[$_menu_items]=$2
+ _menu_status[$_menu_items]=$3 # available only for checklist
+ let "_menu_items += 1"
+}
+
+
+##
+## takes one of:
+## menu, checklist, radiolist
+##
+listDisplay() {
+ boxtype=$1
+ local temp=$(mktemp -t) || exit 1
+ trap "rm -f $temp" 0
+
+ local label
+ local text
+ local status
+ (
+ echo -ne " $HELP $_DEFAULT "
+ echo -ne " --backtitle '$BACKTITLE' "
+ echo -ne " --title '$_menu_title' "
+ echo -ne " --$boxtype '$_menu_msg' "
+ echo -ne " $HEIGHT $WIDTH 10 "
+ for ((i=0; i < $_menu_items ; i++)); do
+ label=${_menu_labels[$i]}
+ text=${_menu_text[$i]}
+ status=${_menu_status[$i]}
+ echo -ne " $label '$text' $status "
+ done
+ ) | xargs $DIALOG 2> $temp
+
+ local status=$?
+ REPLY=""
+ [ $status = 0 ] && REPLY=`cat $temp`
+ rm -f $temp
+ _DEFAULT=
+ return $status
+}
+
+####################################################
+## FORM
+
+_form_gap=2
+formBegin() {
+ _form_title=$1
+ _form_items=0
+ _form_labels=
+ _form_text=
+}
+
+formItem() {
+ _form_labels[$_form_items]=$1
+ _form_text[$_form_items]=$2
+ let "_form_items += 1"
+}
+
+formDisplay() {
+ local temp=$(mktemp -t) || exit 1
+
+ max_length=0
+ for ((i=0; i < ${#_form_labels[@]} ; i++)); do
+ label=${_form_labels[$i]}
+ length=`expr length $label`
+ if [ $length -gt $max_length ]; then
+ max_length=$length
+ fi
+ done
+ let "max_length += 2"
+
+ local xpos=1
+ (
+ echo -n -e "--form '$_form_title' 0 0 20"
+ for ((i=0; i < $_form_items ; i++)); do
+ label=${_form_labels[$i]}
+ text=${_form_text[$i]}
+ echo -n -e " $label $xpos 1 '$text' $xpos $max_length 30 30"
+ let "xpos += _form_gap"
+ done
+ ) | xargs $DIALOG 2> $temp
+ local status=$?
+
+ REPLY=
+ if [ $status = 0 ]; then
+ IFS=$''
+ REPLY=`cat $temp`
+ IFS=$' \t\n'
+ fi
+ rm -f $temp
+ return $status
+}
projects / matthijs / upstream / backupninja.git / commitdiff