theme_chooser.sh

 1#!/usr/bin/env zsh
 2
 3# Zsh Theme Chooser by fox (fox91 at anche dot no)
 4# This program is free software. It comes without any warranty, to
 5# the extent permitted by applicable law. You can redistribute it
 6# and/or modify it under the terms of the Do What The Fuck You Want
 7# To Public License, Version 2, as published by Sam Hocevar. See
 8# http://www.wtfpl.net/txt/copying/ for more details.
 9
10THEMES_DIR="$ZSH/themes"
11FAVLIST="${HOME}/.zsh_favlist"
12source $ZSH/oh-my-zsh.sh
13
14function noyes() {
15    read "a?$1 [y/N] "
16    if [[ $a == "N" || $a == "n" || $a = "" ]]; then
17        return 0
18    fi
19    return 1
20}
21
22function theme_preview() {
23    THEME=$1
24    THEME_NAME=`echo $THEME | sed s/\.zsh-theme$//`
25    print "$fg[blue]${(l.((${COLUMNS}-${#THEME_NAME}-5))..─.)}$reset_color $THEME_NAME $fg[blue]───$reset_color"
26    source "$THEMES_DIR/$THEME"
27    cols=$(tput cols)
28    (exit 1)
29    print -P "$PROMPT                                                                                      $RPROMPT"
30}
31
32function banner() {
33    echo
34    echo "╺━┓┏━┓╻ ╻   ╺┳╸╻ ╻┏━╸┏┳┓┏━╸   ┏━╸╻ ╻┏━┓┏━┓┏━┓┏━╸┏━┓"
35    echo "┏━┛┗━┓┣━┫    ┃ ┣━┫┣╸ ┃┃┃┣╸    ┃  ┣━┫┃ ┃┃ ┃┗━┓┣╸ ┣┳┛"
36    echo "┗━╸┗━┛╹ ╹    ╹ ╹ ╹┗━╸╹ ╹┗━╸   ┗━╸╹ ╹┗━┛┗━┛┗━┛┗━╸╹┗╸"
37    echo
38}
39
40function usage() {
41    echo "Usage: $0 [options] [theme]"
42    echo
43    echo "Options"
44    echo "  -l   List available themes"
45    echo "  -s   Show all themes"
46    echo "  -h   Get this help message"
47    exit 1
48}
49
50function list_themes() {
51    for THEME in $(ls $THEMES_DIR); do
52        THEME_NAME=`echo $THEME | sed s/\.zsh-theme$//`
53        echo $THEME_NAME
54    done
55}
56
57function insert_favlist() {
58    if grep -q "$THEME_NAME" $FAVLIST 2> /dev/null ; then
59        echo "Already in favlist"
60    else
61        echo $THEME_NAME >> $FAVLIST
62        echo "Saved to favlist"
63    fi
64
65}
66
67function theme_chooser() {
68    for THEME in $(ls $THEMES_DIR); do
69        echo
70        theme_preview $THEME
71        echo
72        if [[ -z $1 ]]; then
73            noyes "Do you want to add it to your favourite list ($FAVLIST)?" || \
74                  insert_favlist $THEME_NAME
75            echo
76        fi
77    done
78}
79
80while getopts ":lhs" Option
81do
82  case $Option in
83    l ) list_themes ;;
84    s ) theme_chooser 0 ;;
85    h ) usage ;;
86    * ) usage ;; # Default.
87  esac
88done
89
90if [[ -z $Option ]]; then
91    if [[ -z $1 ]]; then
92        banner
93        echo
94        theme_chooser
95    else
96        theme_preview $1".zsh-theme"
97    fi
98fi