oh-my-zsh/tools/theme_chooser.sh

#!/bin/zsh
 
# Zsh Theme Chooser by fox (fox91 at anche dot no)
# This program is free software. It comes without any warranty, to
# the extent permitted by applicable law. You can redistribute it
# and/or modify it under the terms of the Do What The Fuck You Want
# To Public License, Version 2, as published by Sam Hocevar. See
# http://sam.zoy.org/wtfpl/COPYING for more details.
 
THEMES_DIR="$ZSH/themes"
FAVLIST="${HOME}/.zsh_favlist"
source $ZSH/oh-my-zsh.sh
 
function noyes() {
read "a?$1 [y/N] "
if [[ $a == "N" || $a == "n" || $a = "" ]]; then
return 0
fi
return 1
}
 
function theme_preview() {
THEME=$1
THEME_NAME=`echo $THEME | sed s/\.zsh-theme$//`
print "$fg[blue]${(l.((${COLUMNS}-${#THEME_NAME}-5))..─.)}$reset_color $THEME_NAME $fg[blue]───$reset_color"
source "$THEMES_DIR/$THEME"
print -P $PROMPT
}
 
function banner() {
echo
echo "╺━┓┏━┓╻ ╻ ╺┳╸╻ ╻┏━╸┏┳┓┏━╸ ┏━╸╻ ╻┏━┓┏━┓┏━┓┏━╸┏━┓"
echo "┏━┛┗━┓┣━┫ ┃ ┣━┫┣╸ ┃┃┃┣╸ ┃ ┣━┫┃ ┃┃ ┃┗━┓┣╸ ┣┳┛"
echo "┗━╸┗━┛╹ ╹ ╹ ╹ ╹┗━╸╹ ╹┗━╸ ┗━╸╹ ╹┗━┛┗━┛┗━┛┗━╸╹┗╸"
echo
}
 
function usage() {
echo "Usage: $0 [options] [theme]"
echo
echo "Options"
echo " -l List available themes"
echo " -s Show all themes"
echo " -h Get this help message"
exit 1
}
 
function list_themes() {
for THEME in $(ls $THEMES_DIR); do
THEME_NAME=`echo $THEME | sed s/\.zsh-theme$//`
echo $THEME_NAME
done
}
 
function insert_favlist() {
if grep -q "$THEME_NAME" $FAVLIST 2> /dev/null ; then
echo "Already in favlist"
else
echo $THEME_NAME >> $FAVLIST
echo "Saved to favlist"
fi
 
}
 
function theme_chooser() {
for THEME in $(ls $THEMES_DIR); do
echo
theme_preview $THEME
echo
if [[ -z $1 ]]; then
noyes "Do you want to add it to your favourite list ($FAVLIST)?" || \
insert_favlist $THEME_NAME
echo
fi
done
}
 
while getopts ":lhs" Option
do
case $Option in
l ) list_themes ;;
s ) theme_chooser 0 ;;
h ) usage ;;
* ) usage ;; # Default.
esac
done
 
if [[ -z $Option ]]; then
if [[ -z $1 ]]; then
banner
echo
theme_chooser
else
theme_preview $1".zsh-theme"
fi
fi