Powerline theme refactor

- Split functions and options in two files
- Add README.md

themes/powerline/powerline.theme.bash

@@ -1,133 +1,51 @@
 #!/usr/bin/env bash
 
-THEME_PROMPT_SEPARATOR=""
+. "$BASH_IT/themes/powerline/powerline.base.bash"
 
-SHELL_SSH_CHAR=" "
-SHELL_THEME_PROMPT_COLOR=32
-SHELL_THEME_PROMPT_COLOR_SUDO=202
+PROMPT_CHAR=${POWERLINE_PROMPT_CHAR:=""}
+POWERLINE_LEFT_SEPARATOR=${POWERLINE_LEFT_SEPARATOR:=""}
 
-VIRTUALENV_CHAR="ⓔ "
-VIRTUALENV_THEME_PROMPT_COLOR=35
+USER_INFO_SSH_CHAR=${POWERLINE_USER_INFO_SSH_CHAR:=" "}
+USER_INFO_THEME_PROMPT_COLOR=32
+USER_INFO_THEME_PROMPT_COLOR_SUDO=202
+
+PYTHON_VENV_CHAR=${POWERLINE_PYTHON_VENV_CHAR:="❲p❳ "}
+CONDA_PYTHON_VENV_CHAR=${POWERLINE_CONDA_PYTHON_VENV_CHAR:="❲c❳ "}
+PYTHON_VENV_THEME_PROMPT_COLOR=35
 
 SCM_NONE_CHAR=""
-SCM_GIT_CHAR=" "
-
+SCM_GIT_CHAR=${POWERLINE_SCM_GIT_CHAR:=" "}
 SCM_THEME_PROMPT_CLEAN=""
 SCM_THEME_PROMPT_DIRTY=""
+SCM_THEME_PROMPT_CLEAN_COLOR=25
+SCM_THEME_PROMPT_DIRTY_COLOR=88
+SCM_THEME_PROMPT_STAGED_COLOR=30
+SCM_THEME_PROMPT_UNSTAGED_COLOR=92
+SCM_THEME_PROMPT_COLOR=${SCM_THEME_PROMPT_CLEAN_COLOR}
 
-SCM_THEME_PROMPT_COLOR=238
-SCM_THEME_PROMPT_CLEAN_COLOR=231
-SCM_THEME_PROMPT_DIRTY_COLOR=196
-SCM_THEME_PROMPT_STAGED_COLOR=220
-SCM_THEME_PROMPT_UNSTAGED_COLOR=166
+RVM_THEME_PROMPT_PREFIX=""
+RVM_THEME_PROMPT_SUFFIX=""
+RBENV_THEME_PROMPT_PREFIX=""
+RBENV_THEME_PROMPT_SUFFIX=""
+RUBY_THEME_PROMPT_COLOR=161
+RUBY_CHAR=${POWERLINE_RUBY_CHAR:="❲r❳ "}
 
 CWD_THEME_PROMPT_COLOR=240
 
 LAST_STATUS_THEME_PROMPT_COLOR=52
 
-IN_VIM_PROMPT_COLOR=35
-IN_VIM_PROMPT_TEXT="vim"
+CLOCK_THEME_PROMPT_COLOR=240
 
+BATTERY_AC_CHAR=${BATTERY_AC_CHAR:="⚡"}
+BATTERY_STATUS_THEME_PROMPT_GOOD_COLOR=70
+BATTERY_STATUS_THEME_PROMPT_LOW_COLOR=208
+BATTERY_STATUS_THEME_PROMPT_CRITICAL_COLOR=160
 
-function set_rgb_color {
-    if [[ "${1}" != "-" ]]; then
-        fg="38;5;${1}"
-    fi
-    if [[ "${2}" != "-" ]]; then
-        bg="48;5;${2}"
-        [[ -n "${fg}" ]] && bg=";${bg}"
-    fi
-    echo -e "\[\033[${fg}${bg}m\]"
-}
+THEME_CLOCK_FORMAT=${THEME_CLOCK_FORMAT:="%H:%M:%S"}
 
-function powerline_shell_prompt {
-    SHELL_PROMPT_COLOR=${SHELL_THEME_PROMPT_COLOR}
-    if sudo -n uptime 2>&1 | grep -q "load"; then
-        SHELL_PROMPT_COLOR=${SHELL_THEME_PROMPT_COLOR_SUDO}
-    fi
-    if [[ -n "${SSH_CLIENT}" ]]; then
-        SHELL_PROMPT="${SHELL_SSH_CHAR}\u@\h"
-    else
-        SHELL_PROMPT="\u"
-    fi
-    SHELL_PROMPT="${bold_white}$(set_rgb_color - ${SHELL_PROMPT_COLOR}) ${SHELL_PROMPT} ${normal}"
-    LAST_THEME_COLOR=${SHELL_PROMPT_COLOR}
-}
+IN_VIM_THEME_PROMPT_COLOR=245
+IN_VIM_THEME_PROMPT_TEXT="vim"
 
-function powerline_virtualenv_prompt {
-    local environ=""
-
-    if [[ -n "$CONDA_DEFAULT_ENV" ]]; then
-        environ="conda: $CONDA_DEFAULT_ENV"
-    elif [[ -n "$VIRTUAL_ENV" ]]; then
-        environ=$(basename "$VIRTUAL_ENV")
-    fi
-
-    if [[ -n "$environ" ]]; then
-        VIRTUALENV_PROMPT="$(set_rgb_color ${LAST_THEME_COLOR} ${VIRTUALENV_THEME_PROMPT_COLOR})${THEME_PROMPT_SEPARATOR}${normal}$(set_rgb_color - ${VIRTUALENV_THEME_PROMPT_COLOR}) ${VIRTUALENV_CHAR}$environ ${normal}"
-        LAST_THEME_COLOR=${VIRTUALENV_THEME_PROMPT_COLOR}
-    else
-        VIRTUALENV_PROMPT=""
-    fi
-}
-
-function powerline_scm_prompt {
-    scm_prompt_vars
-
-    if [[ "${SCM_NONE_CHAR}" != "${SCM_CHAR}" ]]; then
-        if [[ "${SCM_DIRTY}" -eq 3 ]]; then
-            SCM_PROMPT="$(set_rgb_color ${SCM_THEME_PROMPT_STAGED_COLOR} ${SCM_THEME_PROMPT_COLOR})"
-        elif [[ "${SCM_DIRTY}" -eq 2 ]]; then
-            SCM_PROMPT="$(set_rgb_color ${SCM_THEME_PROMPT_UNSTAGED_COLOR} ${SCM_THEME_PROMPT_COLOR})"
-        elif [[ "${SCM_DIRTY}" -eq 1 ]]; then
-            SCM_PROMPT="$(set_rgb_color ${SCM_THEME_PROMPT_DIRTY_COLOR} ${SCM_THEME_PROMPT_COLOR})"
-        else
-            SCM_PROMPT="$(set_rgb_color ${SCM_THEME_PROMPT_CLEAN_COLOR} ${SCM_THEME_PROMPT_COLOR})"
-        fi
-        if [[ "${SCM_GIT_CHAR}" == "${SCM_CHAR}" ]]; then
-            SCM_PROMPT+=" ${SCM_CHAR}${SCM_BRANCH}${SCM_STATE}"
-        fi
-        SCM_PROMPT="$(set_rgb_color ${LAST_THEME_COLOR} ${SCM_THEME_PROMPT_COLOR})${THEME_PROMPT_SEPARATOR}${normal}${SCM_PROMPT} ${normal}"
-        LAST_THEME_COLOR=${SCM_THEME_PROMPT_COLOR}
-    else
-        SCM_PROMPT=""
-    fi
-}
-
-function powerline_cwd_prompt {
-    CWD_PROMPT="$(set_rgb_color ${LAST_THEME_COLOR} ${CWD_THEME_PROMPT_COLOR})${THEME_PROMPT_SEPARATOR}${normal}$(set_rgb_color - ${CWD_THEME_PROMPT_COLOR}) \w ${normal}$(set_rgb_color ${CWD_THEME_PROMPT_COLOR} -)${normal}"
-    LAST_THEME_COLOR=${CWD_THEME_PROMPT_COLOR}
-}
-
-function powerline_last_status_prompt {
-    if [[ "$1" -eq 0 ]]; then
-        LAST_STATUS_PROMPT="$(set_rgb_color ${LAST_THEME_COLOR} -)${THEME_PROMPT_SEPARATOR}${normal}"
-    else
-        LAST_STATUS_PROMPT="$(set_rgb_color ${LAST_THEME_COLOR} ${LAST_STATUS_THEME_PROMPT_COLOR})${THEME_PROMPT_SEPARATOR}${normal}$(set_rgb_color - ${LAST_STATUS_THEME_PROMPT_COLOR}) ${LAST_STATUS} ${normal}$(set_rgb_color ${LAST_STATUS_THEME_PROMPT_COLOR} -)${THEME_PROMPT_SEPARATOR}${normal}"
-    fi
-}
-
-function powerline_in_vim_prompt {
-  if [ -z "$VIMRUNTIME" ]; then
-    IN_VIM_PROMPT=""
-  else
-    IN_VIM_PROMPT="$(set_rgb_color ${LAST_THEME_COLOR} ${IN_VIM_PROMPT_COLOR})${THEME_PROMPT_SEPARATOR}${normal}$(set_rgb_color - ${IN_VIM_PROMPT_COLOR}) ${IN_VIM_PROMPT_TEXT} ${normal}$(set_rgb_color ${IN_VIM_PROMPT_COLOR} -)${normal}"
-    LAST_THEME_COLOR=${IN_VIM_PROMPT_COLOR}
-  fi
-}
-
-function powerline_prompt_command() {
-    local LAST_STATUS="$?"
-
-    powerline_shell_prompt
-    powerline_in_vim_prompt
-    powerline_virtualenv_prompt
-    powerline_scm_prompt
-    powerline_cwd_prompt
-    powerline_last_status_prompt LAST_STATUS
-
-    PS1="${SHELL_PROMPT}${IN_VIM_PROMPT}${VIRTUALENV_PROMPT}${SCM_PROMPT}${CWD_PROMPT}${LAST_STATUS_PROMPT} "
-}
-
-safe_append_prompt_command powerline_prompt_command
+POWERLINE_PROMPT=${POWERLINE_PROMPT:="user_info scm python_venv ruby cwd"}
 
+safe_append_prompt_command __powerline_prompt_command