Update demula theme to use battery plugin

themes/demula/demula.theme.bash

@@ -1,14 +1,25 @@
-# ------------------------------------------------------------------ COLOR CONF
-D_DEFAULT_COLOR='${gray}'
-D_USER_COLOR='${purple}'
-D_SUPERUSER_COLOR='${red}'
-D_MACHINE_COLOR='${cyan}'
-D_DIR_COLOR='${green}'
-D_SCM_COLOR='${yellow}'
-D_BRANCH_COLOR='${yellow}'
-D_CHANGES_COLOR='${white}'
-D_CMDFAIL_COLOR='${red}'
+#!/bin/bash 
 
+# Theme inspired on:
+#  - Ronacher's dotfiles (mitsuhikos) - http://github.com/mitsuhiko/dotfiles/tree/master/bash/
+#  - Glenbot - http://theglenbot.com/custom-bash-shell-for-development/
+#  - My extravagant zsh - http://stevelosh.com/blog/2010/02/my-extravagant-zsh-prompt/
+#  - Monokai colors - http://monokai.nl/blog/2006/07/15/textmate-color-theme/
+#  - Docs of Bash - http://tldp.org/HOWTO/Bash-Prompt-HOWTO/x361.html
+
+# ----------------------------------------------------------------- COLOR CONF
+D_DEFAULT_COLOR='\[${normal}\]'
+D_INTERMEDIATE_COLOR='\[${white}\]'
+D_USER_COLOR='\[${purple}\]'
+D_SUPERUSER_COLOR='\[${red}\]'
+D_MACHINE_COLOR='\[${cyan}\]'
+D_DIR_COLOR='\[${green}\]'
+D_SCM_COLOR='\[${yellow}\]'
+D_BRANCH_COLOR='\[${yellow}\]'
+D_CHANGES_COLOR='\[${white}\]'
+D_CMDFAIL_COLOR='\[${red}\]'
+D_VIMSHELL_COLOR='\[${cyan}\]'
+# ------------------------------------------------------------------ FUNCTIONS
 case $TERM in
   xterm*)
       TITLEBAR="\[\033]0;\w\007\]"
@@ -18,43 +29,65 @@ case $TERM in
       ;;
 esac
 
-PS3=">> "
-
 is_vim_shell() {
   if [ ! -z "$VIMRUNTIME" ]
   then
-		echo "on ${cyan}vim shell${white} "
+    echo "${D_INTERMEDIATE_COLOR}on ${D_VIMSHELL_COLOR}\
+vim shell${D_DEFAULT_COLOR} "
+  fi
+}
+
+demula_battery_charge() {
+  if [ ! -z "$(battery_charge)" ]
+  then
+    battery_charge
   fi
 }
 
 mitsuhikos_lastcommandfailed() {
   code=$?
-  if [ $code != 0 ]; then
-    echo -n '\[${white}\]exited \[${red}\]'
-    echo -n $code
-    echo -n '\[${white}\] '
+  if [ $code != 0 ];
+  then
+    echo "${D_INTERMEDIATE_COLOR}exited ${D_CMDFAIL_COLOR}\
+$code ${D_DEFAULT_COLOR}" 
   fi
 }
 
-D_VCPROMPT_EXECUTABLE=~/.vcprompt/bin/vcprompt
-D_VCPROMPT_FORMAT="on ${D_SCM_COLOR}%s${white}:${D_BRANCH_COLOR}%b %r ${D_CHANGES_COLOR}%m%u ${white}"
+# vcprompt for scm instead of bash_it default
+# https://github.com/xvzf/vcprompt
 demula_vcprompt() {
-        $D_VCPROMPT_EXECUTABLE -f "$D_VCPROMPT_FORMAT"	
+  local D_VCPROMPT_EXECUTABLE=~/.vcprompt/bin/vcprompt
+  local D_VCPROMPT_FORMAT="on ${D_SCM_COLOR}%s${D_INTERMEDIATE_COLOR}:\
+${D_BRANCH_COLOR}%b %r ${D_CHANGES_COLOR}%m%u ${D_DEFAULT_COLOR}"
+  local D_VCPROMPT_OUTPUT=$($D_VCPROMPT_EXECUTABLE -f "$D_VCPROMPT_FORMAT")	
+
+  echo $D_VCPROMPT_OUTPUT
 }
 
-prompt() {
-	# Yes, the indenting on these is weird, but it has to be like
-	# this otherwise it won't display properly.
 
-	PS1="\n${TITLEBAR}\[${D_USER_COLOR}\]\u ${white}\
-at \[${D_MACHINE_COLOR}\]\h ${white}\
-in \[${D_DIR_COLOR}\]\w ${white}\
+# -------------------------------------------------------------- PROMPT OUTPUT
+prompt() {
+  local SAVE_CURSOR='\[\033[s\]'
+  local RESTORE_CURSOR='\[\033[u\]'
+  local MOVE_CURSOR_RIGHTMOST='\[\033[500C\]'
+  local MOVE_CURSOR_LEFTMOST='\[\033[500D\]'
+  local MOVE_CURSOR_5_LEFT='\[\033[5D\]'
+  local MOVE_CURSOR_1_DOWN='\[\033[1B\]'
+
+  PS1="${TITLEBAR}\n\
+${SAVE_CURSOR}${MOVE_CURSOR_RIGHTMOST}${MOVE_CURSOR_5_LEFT}\
+$(demula_battery_charge)${RESTORE_CURSOR}\
+${D_USER_COLOR}\u ${D_INTERMEDIATE_COLOR}\
+at ${D_MACHINE_COLOR}\h ${D_INTERMEDIATE_COLOR}\
+in ${D_DIR_COLOR}\w ${D_INTERMEDIATE_COLOR}\
 $(mitsuhikos_lastcommandfailed)\
 $(demula_vcprompt)\
-$(is_vim_shell)
-$ ${normal}"
+$(is_vim_shell)\n\
+${D_INTERMEDIATE_COLOR}$ ${D_DEFAULT_COLOR}"
+  
+  PS2="${D_INTERMEDIATE_COLOR}$ ${D_DEFAULT_COLOR}"
 }
 
-PS2="$ "
-
+# Runs prompt (this bypasses bash_it $PROMPT setting)
 PROMPT_COMMAND=prompt
+