Init
This commit is contained in:
107
tools/filemanager.sh
Normal file
107
tools/filemanager.sh
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function get_term_size() {
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# Get terminal size ('stty' is POSIX and always available).
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# This can't be done reliably across all bash versions in pure bash.
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read -r LINES COLUMNS < <(stty size)
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# Max list items that fit in the scroll area.
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((max_items=LINES-3))
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return $max_items
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}
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#CHECK IF ZIP
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function checkzip {
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if [[ $1 == *.zip ]]; then
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confirm_question
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if [[ $? -eq 0 ]];
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then
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return 0
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else
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return 1
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fi
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else
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echo "This is not a ZIP file."
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return 1
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fi
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}
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function checker {
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if [ -f "${list_dir[$selected]}" ];
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then
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checkzip "${list_dir[$selected]}"
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if [[ $? == 0 ]]; then
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push_install "${list_dir[$selected]}"
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else
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filemanager
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fi
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elif [ -d "${list_dir[$selected]}" ];
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then
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cd "${list_dir[$selected]}"
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clear
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start_scroll=0
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stop_scroll=$max_items
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filemanager
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fi
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}
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get_term_size
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start_scroll=0
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stop_scroll=$max_items
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#FILE NAVIGATING
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function filemanager {
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clear
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arr=(*)
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local other=0
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list_dir=("..")
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if [[ ${#arr[@]} -gt $max_items ]]; then
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local d=1
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if [[ $stop_scroll -le ${#arr[@]} ]]; then
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for ((i=$start_scroll; i < stop_scroll; i++)); do
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list_dir[d]+=${arr[i]}
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((d++))
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done
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if [[ $start_scroll -ne 0 ]]; then
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list_dir[0]="..."
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elif [[ $start_scroll -eq 0 ]]; then
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list_dir[0]='..'
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fi
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if [[ $stop_scroll != ${#arr[@]} ]]; then
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list_dir[d]="..."
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fi
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start_scroll=$stop_scroll
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stop_scroll=$((stop_scroll+max_items))
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else
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stop_scroll=${#arr[@]}
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other=$((stop_scroll-$max_items))
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filemanager
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fi
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else
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list_dir=(".." *)
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fi
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select_option "${list_dir[@]}"
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selected=$?
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if [[ $selected == $d ]];
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then
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filemanager
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elif [[ $selected -eq 0 && $start_scroll -ne 0 && $start_scroll -ne $max_items ]];
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then
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start_scroll=$(( start_scroll-(max_items*2+other) ))
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stop_scroll=$(( stop_scroll-(max_items*2+other) ))
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if [[ $start_scroll -lt 0 ]]; then
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start_scroll=0
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stop_scroll=$max_items
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fi
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filemanager
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else
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checker
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fi
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}
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13
tools/helper.sh
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13
tools/helper.sh
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@@ -0,0 +1,13 @@
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confirm_question(){
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read -p "You are sure? [y/N]" answ
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if [[ $answ == "y" ]] || [[ $answ == "Y" ]];
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then
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return 0
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elif [[ $answ == "n" ]] || [[ $answ == "N" ]] || [[ $answ == "" ]];then
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echo "Operation $1 canceled!"
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read -n 1 -s -r -p "Press any key to continue"
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return 1
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else
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confirm_question
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fi
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}
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172
tools/menu.sh
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172
tools/menu.sh
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@@ -0,0 +1,172 @@
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#!/usr/bin/env bash
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# Renders a text based list of options that can be selected by the
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# user using up, down and enter keys and returns the chosen option.
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#
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# Arguments : list of options, maximum of 256
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# "opt1" "opt2" ...
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# Return value: selected index (0 for opt1, 1 for opt2 ...)
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function select_option {
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# little helpers for terminal print control and key input
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ESC=$( printf "\033")
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cursor_blink_on() { printf "$ESC[?25h"; }
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cursor_blink_off() { printf "$ESC[?25l"; }
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cursor_to() { printf "$ESC[$1;${2:-1}H"; }
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print_option() { printf " $1 "; }
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print_selected() { printf "$ESC[7m $1 $ESC[27m"; }
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get_cursor_row() { IFS=';' read -sdR -p $'\E[6n' ROW COL; echo ${ROW#*[}; }
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key_input() { read -s -n3 key 2>/dev/null >&2
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if [[ $key = $ESC[A ]]; then echo up; fi
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if [[ $key = $ESC[B ]]; then echo down; fi
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if [[ $key = "" ]]; then echo enter; fi; }
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# initially print empty new lines (scroll down if at bottom of screen)
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for opt; do printf "\n"; done
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# determine current screen position for overwriting the options
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local lastrow=`get_cursor_row`
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local startrow=$(($lastrow - $#))
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# ensure cursor and input echoing back on upon a ctrl+c during read -s
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trap "cursor_blink_on; stty echo; printf '\n'; exit" 2
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cursor_blink_off
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local selected=0
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while true; do
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# print options by overwriting the last lines
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local idx=0
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for opt; do
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cursor_to $(($startrow + $idx))
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if [ $idx -eq $selected ]; then
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print_selected "$opt"
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else
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print_option "$opt"
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fi
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((idx++))
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done
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# user key control
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case `key_input` in
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enter) break;;
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up) ((selected--));
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if [ $selected -lt 0 ]; then selected=$(($# - 1)); fi;;
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down) ((selected++));
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if [ $selected -ge $# ]; then selected=0; fi;;
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esac
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done
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# cursor position back to normal
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cursor_to $lastrow
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printf "\n"
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cursor_blink_on
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return $selected
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}
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function multi_select_option {
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# little helpers for terminal print control and key input
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ESC=$( printf "\033")
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cursor_blink_on() { printf "$ESC[?25h"; }
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cursor_blink_off() { printf "$ESC[?25l"; }
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cursor_to() { printf "$ESC[$1;${2:-1}H"; }
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print_option() { in=$1
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c=$2
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if [[ $in != "Wipe" && $in != "Exit" ]];
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then
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printf " [${choices[$c]}] $in ";
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else
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printf " $in "
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fi
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}
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print_selected() { in=$1
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if [[ $in != "Wipe" && $in != "Exit" ]]; then
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printf "$ESC[7m [${choices[$2]}] $1$ESC[27m";
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else
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printf "$ESC[7m $1$ESC[27m";
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fi
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}
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get_cursor_row() { IFS=';' read -sdR -p $'\E[6n' ROW COL; echo ${ROW#*[}; }
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key_input() { read -s -n3 key 2>/dev/null >&2
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if [[ $key = $ESC[A ]]; then echo up; fi
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if [[ $key = $ESC[B ]]; then echo down; fi
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if [[ $key = "" ]]; then echo enter; fi; }
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checker() { idx=$1;
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if [[ "${choices[$idx]}" != " " && \
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"${choices[$idx]}" != "*" \
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]]; then
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choices[$idx]=" "
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fi
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}
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local wipe_part=false
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local stop_loop=false
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# initially print empty new lines (scroll down if at bottom of screen)
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for opt; do printf "\n"; done
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# determine current screen position for overwriting the options
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local lastrow=`get_cursor_row`
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local startrow=$(($lastrow - $#))
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# ensure cursor and input echoing back on upon a ctrl+c during read -s
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trap "cursor_blink_on; stty echo; printf '\n'; exit" 2
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cursor_blink_off
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local selected=0
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while true; do
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# print options by overwriting the last lines
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local idx=0
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for opt; do
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cursor_to $(($startrow + $idx))
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checker $idx
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if [ $idx -eq $selected ]; then
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print_selected "$opt" "$idx"
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else
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print_option "$opt" "$idx"
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fi
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((idx++))
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done
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# user key control
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case `key_input` in
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enter) if [[ $selected == $(($idx-1)) ]]; then
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stop_loop=true
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elif [[ $selected == $(($idx-2)) ]]; then
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printf "\n"
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confirm_question
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if [[ $? -eq 0 ]];then
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wipe_part=true;
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stop_loop=true
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else
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choices=()
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wipe_part=false
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main
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fi
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else
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[[ "${choices[selected]}" == "*" ]] &&
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choices[selected]=" " || \
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choices[selected]='*'
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fi
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;;
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up) ((selected--));
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if [ $selected -lt 0 ]; then selected=$(($# - 1)); fi;;
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down) ((selected++));
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if [ $selected -ge $# ]; then selected=0; fi;;
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esac
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if [[ $stop_loop == true ]]; then
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break
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fi
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done
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# cursor position back to normal
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cursor_to $lastrow
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printf "\n"
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cursor_blink_on
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if [[ $wipe_part == true ]];then
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return 0
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else
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return 1
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fi
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}
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Reference in New Issue
Block a user