scripta

   1 #!/bin/bash
   2 # Copyright 2009, Roberto Previdi
   3 # GPL v2 or later
   4
   5 DEBUG=1
   6
   7 export ZENITY="zenity --width=800 --height=400"
   8 export MSGBOX="$ZENITY --info --text "
   9 export ERROR="$ZENITY --error --text "
  10 export ENTRY="$ZENITY --entry --text "
  11 export EDITFILE="$ZENITY --text-info --editable --filename "
  12 export TMP="/tmp"
  13 USER_MENU_DIR="$HOME/.scripta/menu"
  14 SYS_MENU_DIRS="/usr/share/scripta/menu"
  15 CMD_MENU_DIRS=""
  16 MENU_DIRS="$USER_MENU_DIR"
  17 # $SYS_MENU_DIRS
  18 export SEP="==================="
  19 TITLE="scripta"
  20
  21
  22 echo $0
  23 pwd
  24
  25 # arg1: relative/absolute path to switch to
  26 function change_dir()
  27 {
  28         echo "change_dir($1)"
  29         cd $1
  30         MENU_DIR=$(pwd)
  31 }
  32
  33 function new_menu()
  34 {
  35         NAME="$($ENTRY "enter the name of the menu" | sed 's/ /_/')"
  36         if [ $? -gt 0 ]; then
  37                 $MSGBOX operation cancelled
  38         else
  39                 mkdir "$NAME"
  40         fi
  41 }
  42
  43 function new_script()
  44 {
  45         NAME="$($ENTRY "enter the name of the script"| sed 's/ /_/')"
  46         if [ $? -gt 0 ]; then
  47                 $MSGBOX operation cancelled
  48         else
  49                 touch "$NAME"
  50 #       --->    #
  51                 cat >> "$NAME" << _END
  52 function run()
  53 {
  54         \$MSGBOX "edit me!"
  55 }
  56 _END
  57 #       --->    #
  58         fi
  59 }
  60
  61 #arg1: the file/dir to rename
  62 function rename_file()
  63 {
  64         NEW_NAME=$($ZENITY --entry --text "enter new name" --entry-text $1)
  65         if [ $? -gt 0 ]; then
  66                 $MSGBOX operation cancelled
  67         else
  68                 mv $1 $NEW_NAME
  69         fi
  70 }
  71
  72 #arg1: menu to edit
  73 function edit_menu()
  74 {
  75         ACTION=$($ZENITY --column "Select action" --list rename remove)
  76         if [ $? -gt 0 ]; then
  77                 $MSGBOX operation cancelled
  78         elif [ "$ACTION" == "remove" ]; then
  79                 PASSWORD=$($ZENITY --entry --text "enter \"DELETE this MENU\"" --entry-text "pleeease, don't kill meeee")
  80                 if [ $? -gt 0 -o $PASSWORD != "DELETE this MENU"]; then
  81                         $MSGBOX "operation cancelled"
  82                 else
  83                         rm -rf $1
  84                 fi
  85         elif [ "$ACTION" == "rename" ]; then
  86                 rename_file $1
  87         fi
  88 }
  89
  90 #arg1: file to edit
  91 function edit_file()
  92 {
  93         ACTION=$($ZENITY --column "Select action" --list edit rename remove)
  94         if [ $? -gt 0 ]; then
  95                 $MSGBOX "operation cancelled"
  96         elif [ "$ACTION" == "edit" ]; then
  97                 $EDITFILE $1 --title $1 > $1.tmp
  98                 mv -f $1.tmp $1
  99         elif [ "$ACTION" == "remove" ]; then
 100                 PASSWORD="$($ZENITY --entry --text "enter \"DELETE this FILE\"" --entry-text "noooo, save meeee")"
 101                 if [ $? -gt 0 -o $PASSWORD != "DELETE this FILE"]; then
 102                         $MSGBOX "operation cancelled"
 103                 else
 104                         rm -rf $1
 105                 fi
 106
 107         elif [ "$ACTION" == "rename" ]; then
 108                 rename_file $1
 109         fi
 110 }
 111
 112 #edit the menus in the current path
 113 function edit_fn()
 114 {
 115         while [ 1 ]; do
 116                 TITLE="scripta - EDIT"
 117                 menu_items --desc-prefix "edit--" back new_submenu new_script quit
 118
 119                 if [ "$SELECTED" == $SEP ]; then
 120                         do_nothing
 121                 elif [ "$SELECTED" == "back" ]; then
 122                         return 0
 123                 elif [ "$SELECTED" == "new_submenu" ]; then
 124                         new_menu
 125                 elif [ "$SELECTED" == "new_script" ]; then
 126                         new_script
 127                 elif [ -d $SELECTED ]; then
 128                         edit_menu $SELECTED
 129                 elif [ -f $SELECTED ]; then
 130                         edit_file $SELECTED
 131                 fi
 132         done
 133
 134 }
 135
 136 # arg1: bash script which defines a "run" function
 137 function execute()
 138 {
 139         NEED_SUDO="no"
 140
 141         function run()
 142         {
 143                 $ERROR "Error, the file doesn't define a run() function"
 144         }
 145
 146         source $1
 147 #       if [ $NEED_SUDO == "yes" ]; then
 148 #               SUDO_CMD="sudo -E"
 149 #       else
 150 #               SUDO_CMD=""
 151 #       fi
 152 #       export -f run
 153 #       $SUDO_CMD ...
 154         run
 155
 156 }
 157
 158 function do_nothing()
 159 {
 160         DUMMY=$DUMMY
 161 }
 162
 163 # arg1: return value of zenity
 164 # arg2: selected command
 165 function parse_menu_commons()
 166 {
 167         if [ $1 -gt 0 ]; then
 168                 echo exiting with status $1
 169                 exit $1
 170         fi
 171
 172         if [ "$2" == "quit" ]; then
 173                 exit 0
 174         fi
 175 }
 176
 177 function escape()
 178 {
 179         VALUE=$(echo $1 | sed 's/[/]/\\\//g')
 180 }
 181
 182 #arg1: prefix for the description part
 183 #arg2: absolute path of choosen root
 184 function get_items()
 185 {
 186 # per eliminare i path                          sed 's/.*\/\([^/]*\)/\1/' |
 187 # per eliminare i caporiga                      sed -e :a -e '$ P; /$/N; s/\n/ /; ta;'|
 188 # tiene solo la prima riga                      head -n 1 |
 189 # aggiunge uno spazio alla fine                 sed 's/$/ /' |
 190 # duplica e modifica                            sed "s/\([a-z]\+\) /\1 $1\1... /g"
 191         escape $2
 192         local ROOT="$VALUE"
 193         SUBMENUS="$SUBMENUS \
 194                 $(
 195                         find `pwd`/ -maxdepth 1 -mindepth 1 -type d |
 196                                 grep -v ".*~" |
 197                                 sort |
 198                                 sed -e :a -e '$ P; /$/N; s/\n/ /; ta;'|
 199                                 head -n 1 |
 200                                 sed 's/$/ /' |
 201                                 sed "s/\([/_a-z]\+\) /\1 $1\1... $ROOT /g"
 202                 )"
 203
 204         MENU_ITEMS="$MENU_ITEMS \
 205                 $(
 206                         find `pwd`/ -maxdepth 1 -mindepth 1 -type f |
 207                                 grep -v ".*~" |
 208                                 sort |
 209                                 sed -e :a -e '$ P; /$/N; s/\n/ /; ta;'|
 210                                 head -n 1 |
 211                                 sed 's/$/ /' |
 212                                 sed "s/\([/_a-z]\+\) /\1 $1\1 $ROOT /g"
 213                 )"
 214
 215 }
 216
 217 # arg1-n: additional menu entries
 218 function menu_items()
 219 {
 220         echo "menu_items()"
 221         ADDITIONAL=""
 222         DESC_PREFIX=""
 223         ENABLE_OVERRIDE=""
 224         while [ $# -gt 0 ]; do
 225                 if [ "$1" == "--desc-prefix" ]; then
 226                         shift
 227                         DESC_PREFIX="$1"
 228                 elif [ "$1" == "--enable-override" ]; then
 229                         ENABLE_OVERRIDE="TRUE"
 230                 else
 231                         ADDITIONAL="$ADDITIONAL $1 $1 $1"
 232                 fi
 233                 shift
 234         done
 235
 236         SUBMENUS=""
 237         MENU_ITEMS=""
 238
 239         for ACTUAL_ROOT in $MENU_DIRS; do
 240                 change_dir "$ACTUAL_ROOT/$RELATIVE_PATH"
 241
 242                 get_items "$DESC_PREFIX" $ACTUAL_ROOT
 243         done
 244
 245         ITEMS="$SUBMENUS $MENU_ITEMS"
 246
 247         if [ "$ENABLE_OVERRIDE" == "TRUE" ]; then
 248                 ITEMS_ARRAY=( $ITEMS )
 249                 DESC_ARRAY=( )
 250
 251                 for i in $(seq 0 $( let "v=${#ITEMS_ARRAY[@]} / 3 - 1"; echo $v)); do
 252                         DESC_ARRAY[$i]=$ITEMS_ARRAY[$( let "v=${i} * 3 + 1"; echo $v)]
 253                 done
 254
 255                 for i in $(seq 0 $( let "v=${#DESC_ARRAY[@]} - 1"; echo $v)); do
 256                         # HEAD is ${DESC_ARRAY[@]:0:$i}
 257                         if [ $DESC_ARRAY[$i] == "----" ]; then
 258                                 continue
 259                         fi
 260                         DESC_TAIL=( ${DESC_ARRAY[@]:$( let "v=$i + 1"; echo $v)} )
 261                         DESC_TAIL=( ${DESC_TAIL[@]//${DESC_ARRAY[$i]}/----} )
 262                         DESC_ARRAY=( ${DESC_ARRAY[@]:0:$i} ${DESC_TAIL[@]} )
 263                 done
 264
 265                 for i in $(seq 0 $( let "v=${#ITEMS_ARRAY[@]} / 3 - 1"; echo $v)); do
 266                         if [ $DESC_ARRAY[$i] == "----" ]; then
 267                                 ITEMS_ARRAY[$( let "v=${i}*3"; echo $v)]=""
 268                                 ITEMS_ARRAY[$( let "v=${i}*3+1"; echo $v)]=""
 269                                 ITEMS_ARRAY[$( let "v=${i}*3+2"; echo $v)]=""
 270                         fi
 271                 done
 272
 273                 ITEMS=${DESC_ARRAY[@]}
 274         fi
 275
 276
 277         SELSTRUCT=( $($ZENITY --title "$TITLE"  --print-column ALL --column Command --column Operation --column Root --list $ITEMS $SEP $SEP $SEP $ADDITIONAL | sed 's/|/ /g') )
 278
 279         echo "SELSTRUCT=${SELSTRUCT[@]}"
 280         SELECTED=${SELSTRUCT[0]}
 281         escape ${SELSTRUCT[2]}
 282         local ROOT=$VALUE
 283         echo "ROOT=$ROOT"
 284         echo "SELECTED=$SELECTED"
 285         RELATIVE_PATH=$(        if [ -f $SELECTED ]; then dirname $SELECTED; elif [ -d $SELECTED ]; then echo $SELECTED; else echo ""; fi | sed "s/$ROOT\/\(.*\)$/\1/")
 286         echo "RELATIVE_PATH=$RELATIVE_PATH"
 287         parse_menu_commons $? "$SELECTED"
 288 }
 289
 290 function parse_options()
 291 {
 292         while [ $# -gt 0 ]; do
 293                 #if [ "$1" == "--menu-dir" -o "$1" == "-m" ]; then
 294                         #shift
 295                         #CMD_MENU_DIRS="$CMD_MENU_DIRS $1"
 296                 #elif [ "$1" == "--menu-dir" -o "$1" == "-" ]; then
 297                         # implement actions
 298                 #fi
 299
 300                 shift
 301         done
 302
 303 }
 304
 305
 306 #parse_options
 307
 308 while [ 1 ]; do
 309
 310
 311         TITLE="scripta"
 312         menu_items back edit quit
 313
 314         if [ "$SELECTED" == $SEP ]; then
 315                 do_nothing
 316         elif [ "$SELECTED" == "edit" ]; then
 317                 edit_fn
 318         elif [ "$SELECTED" == "back" ]; then
 319                 change_dir ..
 320         elif [ -d $SELECTED ]; then
 321                 echo "Entering in $SELECTED"
 322                 change_dir $SELECTED
 323         elif [ -f $SELECTED ]; then
 324                 echo "Executing $SELECTED"
 325                 execute $SELECTED
 326         fi
 327 done