From c5f91a5b7647330dbb06bb02552cc836d22161c3 Mon Sep 17 00:00:00 2001
From: Jan Larres <jan@majutsushi.net>
Date: Sat, 16 Jun 2012 21:46:54 +1200
Subject: [PATCH] Add command for easy type customization

---
 autoload/tagbar.vim | 37 +++++++++++++++++++++++++++++++++++++
 doc/tagbar.txt      | 29 +++++++++++++++++++++++------
 plugin/tagbar.vim   |  1 +
 3 files changed, 61 insertions(+), 6 deletions(-)

diff --git a/autoload/tagbar.vim b/autoload/tagbar.vim
index bd5cdf0..4b4e217 100644
--- a/autoload/tagbar.vim
+++ b/autoload/tagbar.vim
@@ -3398,5 +3398,42 @@ function! tagbar#currenttag(fmt, default, ...)
     endif
 endfunction
 
+" tagbar#gettypeconfig() {{{2
+function! tagbar#gettypeconfig(type)
+    if !s:Init()
+        return ''
+    endif
+
+    let typeinfo = get(s:known_types, a:type, {})
+
+    if empty(typeinfo)
+        echoerr 'Unknown type ' . a:type . '!'
+        return
+    endif
+
+    let output = "let g:tagbar_type_" . a:type . " = {\n"
+
+    let output .= "    \\ 'kinds' : [\n"
+    for kind in typeinfo.kinds
+        let output .= "        \\ '" . kind.short . ":" . kind.long
+        if kind.fold || !kind.stl
+            if kind.fold
+                let output .= ":1"
+            else
+                let output .= ":0"
+            endif
+        endif
+        if !kind.stl
+            let output .= ":0"
+        endif
+        let output .= "',\n"
+    endfor
+    let output .= "    \\ ],\n"
+
+    let output .= "\\ }"
+
+    silent put =output
+endfunction
+
 " Modeline {{{1
 " vim: ts=8 sw=4 sts=4 et foldenable foldmethod=marker foldcolumn=1
diff --git a/doc/tagbar.txt b/doc/tagbar.txt
index a6ac3ad..5e465f3 100644
--- a/doc/tagbar.txt
+++ b/doc/tagbar.txt
@@ -262,6 +262,14 @@ COMMANDS                                                     *tagbar-commands*
     Open the parent folds of the current tag in the file window as much as
     needed for the tag to be visible in the Tagbar window.
 
+:TagbarGetTypeConfig {filetype}
+    Paste the Tagbar configuration of the vim filetype {filetype} at the
+    current cursor position (provided that filetype is supported by Tagbar)
+    for easy customization. The configuration will be ready to use as is but
+    will only contain the "kinds" entry as that is the only one that really
+    makes sense to customize. See |tagbar-extend| for more information about
+    type configurations.
+
 :TagbarDebug [logfile]
     Start debug mode. This will write debug messages to file [logfile] while
     using Tagbar. If no argument is given "tagbardebug.log" in the current
@@ -617,6 +625,10 @@ filetype two things are needed: a program that generates the tag information,
 usually Exuberant Ctags, and a Tagbar type definition in your |vimrc| or an
 |ftplugin| that tells Tagbar how to interpret the generated tags.
 
+Note: if you only want to customize an existing definition (like changing the
+order in which tag kinds are displayed) see "Changing an existing definition"
+below.
+
 There are two ways to generate the tag information for new filetypes: add a
 definition to Exuberant Ctags or create a specialized program for your
 language that generates ctags-compatible tag information (see
@@ -790,12 +802,17 @@ Which of the keys you have to specify depends on what you want to do.
 
 Changing an existing definition~
 If you want to change an existing definition you only need to specify the
-parts that you want to change. It probably only makes sense to change "kinds"
-and/or "scopes", which would be the case if you wanted to exclude certain
-kinds from appearing in Tagbar or if you want to change their order. As an
-example, if you didn't want Tagbar to show prototypes for C++ files, switch
-the order of enums and typedefs, and show macros in the statusline, you would
-do it like this:
+parts that you want to change. It probably only makes sense to change "kinds",
+which would be the case if you wanted to for example change the order of
+certain kinds, change their default fold state or exclude them from appearing
+in Tagbar. The easiest way to do that is to use the ":TagbarGetTypeConfig"
+command (see |tagbar-commands|), which will paste a ready-to-use configuration
+with the "kinds" entry for the specified type at the current cursor position.
+
+As an example, if you didn't want Tagbar to show prototypes for C++ files,
+switch the order of enums and typedefs, and show macros in the statusline, you
+would first run ":TagbarGetTypeConfig cpp" in your vimrc and then change the
+definition like this:
 >
         let g:tagbar_type_cpp = {
             \ 'kinds' : [
diff --git a/plugin/tagbar.vim b/plugin/tagbar.vim
index 9278e98..c7d9205 100644
--- a/plugin/tagbar.vim
+++ b/plugin/tagbar.vim
@@ -111,6 +111,7 @@ command! -nargs=0 TagbarOpenAutoClose call tagbar#OpenWindow('fc')
 command! -nargs=0 TagbarClose         call tagbar#CloseWindow()
 command! -nargs=1 -bang TagbarSetFoldlevel  call tagbar#SetFoldLevel(<args>, <bang>0)
 command! -nargs=0 TagbarShowTag       call tagbar#OpenParents()
+command! -nargs=1 TagbarGetTypeConfig call tagbar#gettypeconfig(<f-args>)
 command! -nargs=? TagbarDebug         call tagbar#StartDebug(<f-args>)
 command! -nargs=0 TagbarDebugEnd      call tagbar#StopDebug()