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  1. #!/bin/sh
  2.  
  3. # menu.sh
  4. # Description: Bash menu generator
  5. # 
  6. # Created by Jamie Cruwys on 21/02/2014.
  7. #
  8.  
  9. # Configuration
  10. symbol="*"
  11. paddingSymbol=" "
  12. lineLength=70
  13. charsToOption=1
  14. charsToName=3
  15.  
  16. function generatePadding() {
  17.     string="";
  18.     for (( i=0; i < $2; i++ )); do
  19.         string+="$1";
  20.     done
  21.     echo "$string";
  22. }
  23.  
  24. # Generated configs
  25. remainingLength=$(( $lineLength - 2 ));
  26. line=$(generatePadding "${symbol}" "${lineLength}");
  27. toOptionPadding=$(generatePadding "${paddingSymbol}" "${charsToOption}");
  28. toNamePadding=$(generatePadding "$paddingSymbol" "$charsToName");
  29.  
  30. # generateText (text)
  31. function generateText() {
  32.     totalCharsToPad=$((remainingLength - ${#1}));
  33.     charsToPadEachSide=$((totalCharsToPad / 2));
  34.     padding=$(generatePadding "$paddingSymbol" "$charsToPadEachSide");
  35.     totalChars=$(( ${#symbol} + ${#padding} + ${#1} + ${#padding} + ${#symbol} ));
  36.     if [[ ${totalChars} < ${lineLength} ]]; then
  37.         echo "${symbol}${padding}${1}${padding}${paddingSymbol}${symbol}";
  38.     else
  39.         echo "${symbol}${padding}${1}${padding}${symbol}";
  40.     fi
  41. }
  42.  
  43. # generateTitle (title)
  44. function generateTitle() {  
  45.     echo "$line"
  46.     generateText ""
  47.     generateText "$1"
  48.     generateText ""
  49.     echo "$line"
  50. }
  51.  
  52. # generateOption (dialogType, optionNumber, optionName)
  53. function generateOption() {
  54.     tempOptionPadding=$toOptionPadding
  55.     tempNamePadding=$toNamePadding
  56.     if [[ $1 == "options" ]]; then
  57.         if [[ $3 == "Exit" ]] || [[ $3 == "Return to the main menu" ]]; then
  58.             optionString="[0]"
  59.         else
  60.             optionString="[$2]"
  61.         fi
  62.     elif [[ $1 == "instructions" ]]; then
  63.         optionString="$2."
  64.     fi
  65.     charsToPadName=$(( ${lineLength} - ${#symbol} - ${#tempOptionPadding} - ${#optionString} - ${#tempNamePadding} - ${#3} - ${#symbol} ));
  66.     namePadding=$(generatePadding "$paddingSymbol" "$charsToPadName");
  67.     echo "${symbol}${tempOptionPadding}${optionString}${tempNamePadding}${3}${namePadding}${symbol}";
  68. }
  69.  
  70. # generateOptionsFromArray (dialogType, array[options])
  71. function generateOptionsFromArray() {
  72.     index=1
  73.     generateText "" 
  74.     for OPTION in "${@:2}"
  75.     do
  76.         if [[ "$1" == "message" ]]; then
  77.             generateText "$OPTION"
  78.         else
  79.             generateOption "$1" "$index" "$OPTION"
  80.         fi
  81.         ((index++))
  82.     done
  83.     generateText ""
  84. }
  85.  
  86. # generateDialog (dialogType, dialogTitle, array[options])
  87. function generateDialog() { 
  88.     generateTitle "$2"
  89.     generateOptionsFromArray "$1" "${@:3}"
  90.     echo "$line";
  91. }
  92.  
  93. # generateGoBackDialog (name, isNewLine)
  94. function generateGoBackDialog() {
  95.     if [[ $2 == "true" ]]; then
  96.         echo -e "\n$line"
  97.     else
  98.         echo -e "$line"
  99.     fi
  100.     generateText ""
  101.     generateOption "options" "0" "$1"
  102.     generateText ""
  103.     echo -e "$line"
  104. }
  105.  
  106. # generateMessageDialog (title, array[message])
  107. function generateMessageDialog() {
  108.     if [[ "${#1}" > 0 ]]; then
  109.         generateTitle "$1"
  110.     fi
  111.     generateOptionsFromArray "message" "${@:2}"
  112.     echo "$line"
  113. }
  114.  
Success #stdin #stdout 0s 4408KB
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https://ideone.com/XOShmT
language:
Bash (bash 5.0.3)
created:
4 years ago
visibility:
public

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