scripta~

   1 #!/bin/bash
   2 # Copyright 2009, Roberto Previdi
   3 # GPL v2 or later
   4
   5 ZENITY="zenity --width=400 --height=400"
   6 MSGBOX="$ZENITY --info --text "
   7 ERROR="$ZENITY --error --text "
   8 ENTRY="$ZENITY --entry --text "
   9 EDITFILE="$ZENITY --text-info --editable --filename "
  10 TMP="/tmp"
  11 ROOT_MENU_DIR="menu"
  12 SEP="==================="
  13 TITLE="scripta"
  14
  15 # arg1: relative/absolute path to switch to
  16 function change_dir()
  17 {
  18         echo "change_dir($1)"
  19         cd $1
  20         MENU_DIR=$(pwd)
  21 }
  22
  23 function new_menu()
  24 {
  25         NAME="$($ENTRY "enter the name of the menu" | sed 's/ /_/')"
  26         if [ $? -gt 0 ]; then
  27                 $MSGBOX operation cancelled
  28         else
  29                 mkdir "$NAME"
  30         fi
  31 }
  32
  33 function new_script()
  34 {
  35         NAME="$($ENTRY "enter the name of the script"| sed 's/ /_/')"
  36         if [ $? -gt 0 ]; then
  37                 $MSGBOX operation cancelled
  38         else
  39                 touch "$NAME"
  40 #       --->    #
  41                 cat >> "$NAME" << _END
  42 function run()
  43 {
  44         \$MSGBOX "edit me!"
  45 }
  46 _END
  47 #       --->    #
  48         fi
  49 }
  50
  51 #arg1: the file/dir to rename
  52 function rename_file()
  53 {
  54         NEW_NAME=$($ZENITY --entry --text "enter new name" --entry-text $1)
  55         if [ $? -gt 0 ]; then
  56                 $MSGBOX operation cancelled
  57         else
  58                 mv $1 $NEW_NAME
  59         fi
  60 }
  61
  62 #arg1: menu to edit
  63 function edit_menu()
  64 {
  65         ACTION=$($ZENITY --column "Select action" --list rename remove)
  66         if [ $? -gt 0 ]; then
  67                 $MSGBOX operation cancelled
  68         elif [ "$ACTION" == "remove" ]; then
  69                 PASSWORD=$($ZENITY --entry --text "enter \"DELETE this MENU\"" --entry-text "pleeease, don't kill meeee")
  70                 if [ $? -gt 0 -o $PASSWORD != "DELETE this MENU"]; then
  71                         $MSGBOX operation cancelled
  72                 else
  73                         rm -rf $1
  74                 fi
  75         elif [ "$ACTION" == "rename" ]; then
  76                 rename_file $1
  77         fi
  78 }
  79
  80 #arg1: file to edit
  81 function edit_file()
  82 {
  83         ACTION=$($ZENITY --column "Select action" --list edit rename remove)
  84         if [ $? -gt 0 ]; then
  85                 $MSGBOX "operation cancelled"
  86         elif [ "$ACTION" == "edit" ]; then
  87                 $EDITFILE $1 > $1.tmp
  88                 mv -f $1.tmp $1
  89         elif [ "$ACTION" == "remove" ]; then
  90                 PASSWORD="$($ZENITY --entry --text "enter \"DELETE this FILE\"" --entry-text "noooo, save meeee")"
  91                 if [ $? -gt 0 -o $PASSWORD != "DELETE this FILE"]; then
  92                         $MSGBOX operation cancelled
  93                 else
  94                         rm -rf $1
  95                 fi
  96
  97         elif [ "$ACTION" == "rename" ]; then
  98                 rename_file $1
  99         fi
 100 }
 101
 102 #edit the menus in the current path
 103 function edit_fn()
 104 {
 105         while [ 1 ]; do
 106                 TITLE="scripta - EDIT"
 107                 menu_items --desc-prefix "edit--" back new_submenu new_script quit
 108
 109                 if [ "$SELECTED" == $SEP ]; then
 110                         do_nothing
 111                 elif [ "$SELECTED" == "back" ]; then
 112                         return 0
 113                 elif [ "$SELECTED" == "new_submenu" ]; then
 114                         new_menu
 115                 elif [ "$SELECTED" == "new_script" ]; then
 116                         new_script
 117                 elif [ -d $SELECTED ]; then
 118                         edit_menu $SELECTED
 119                 elif [ -f $SELECTED ]; then
 120                         edit_file $SELECTED
 121                 fi
 122         done
 123
 124 }
 125
 126 # arg1: bash script which defines a "run" function
 127 function execute()
 128 {
 129         function run()
 130         {
 131                 $ERROR "Error, the file doesn't define a run() function"
 132         }
 133
 134         source ./$1
 135
 136         run
 137
 138 }
 139
 140 function do_nothing()
 141 {
 142         DUMMY=$DUMMY
 143 }
 144
 145 # arg1: return value of zenity
 146 # arg2: selected command
 147 function parse_menu_commons()
 148 {
 149         if [ $1 -gt 0 ]; then
 150                 echo exiting with status $1
 151                 exit $1
 152         fi
 153
 154         if [ "$2" == "quit" ]; then
 155                 exit 0
 156         fi
 157 }
 158
 159 #arg1: prefix for the description part
 160 function get_items()
 161 {
 162         SUBMENUS=$(
 163                         find -maxdepth 1 -type d |
 164                                 sort |
 165                                 sed 's/.*\/\([^/]*\)/\1/' |
 166                                 sed 's/[.]//' |
 167                                 sed -e :a -e '$ P; /$/N; s/\n/ /; ta;'|
 168                                 head -n 1 |
 169                                 sed 's/$/ /' |
 170                                 sed "s/\([a-z]\+\) /\1 $1\1... /g"
 171                 )
 172         MENU_ITEMS=$(
 173                         find -maxdepth 1 -type f |
 174                                 sort |
 175                                 sed "s/.*\/\([^/]*\)/\1 $1\1/" |
 176                                 sed -e :a -e '$ P; /$/N; s/\n/ /; ta;'|
 177                                 head -n 1)
 178 }
 179
 180 # arg1-n: additional menu entries
 181 function menu_items()
 182 {
 183         cd $MENU_DIR
 184         ADDITIONAL=""
 185         DESC_PREFIX=""
 186         while [ $# -gt 0 ]; do
 187                 if [ "$1" == "--desc-prefix" ]; then
 188                         shift
 189                         DESC_PREFIX="$1"
 190                 else
 191                         ADDITIONAL="$ADDITIONAL $1 $1"
 192                 fi
 193                 shift
 194         done
 195
 196         get_items "$DESC_PREFIX"
 197
 198         SELECTED=$($ZENITY --title "$TITLE" --hide-column 1  --column Command --column Operation --list $SUBMENUS $MENU_ITEMS $SEP $SEP $ADDITIONAL)
 199         parse_menu_commons $? "$SELECTED"
 200 }
 201
 202
 203 change_dir $ROOT_MENU_DIR
 204 while [ 1 ]; do
 205         TITLE="scripta"
 206         menu_items back edit quit
 207
 208         if [ "$SELECTED" == $SEP ]; then
 209                 do_nothing
 210         elif [ "$SELECTED" == "edit" ]; then
 211                 edit_fn
 212         elif [ "$SELECTED" == "back" ]; then
 213                 change_dir ..
 214         elif [ -d $SELECTED ]; then
 215                 change_dir $SELECTED
 216         elif [ -f $SELECTED ]; then
 217                 execute $SELECTED
 218         fi
 219 done