Merge pull request #113 from t7ko/auto-cd

Option to enable auto-change-dir when opening a wiki index page with <Leader>ww

autoload/vimwiki/base.vim

@@ -131,6 +131,10 @@ function! vimwiki#base#setup_buffer_state(idx) " {{{ Init page-specific variable
   call VimwikiSet('subdir', subdir, a:idx)
   call VimwikiSet('invsubdir', vimwiki#base#invsubdir(subdir), a:idx)
 
+  if g:vimwiki_auto_chdir == 1
+    exe 'lcd' VimwikiGet('path')
+  endif
+
   " update cache
   call vimwiki#base#cache_buffer_state()
 endfunction " }}}

doc/vimwiki.txt

@@ -2556,6 +2556,19 @@ before the plugin loads.  >
 
 The default is '<Leader>w'.
 
+------------------------------------------------------------------------------
+*g:vimwiki_auto_chdir*
+
+When set to 1, enables auto-cd feature.  Whenever vimwiki page is opened, 
+vimwiki performs an |:lcd| to the vimwiki folder to where the page belongs.
+
+
+Value           Description~
+0               Do not change directory.
+1               Change directory to vimwiki folder on opening page.
+
+Default: 0
+
 
 ==============================================================================
 13. Miscellaneous                                               *vimwiki-misc*
@@ -2595,6 +2608,7 @@ Vim plugins: http://www.vim.org/scripts/script.php?script_id=2226
 
 ???~
 
+    * Spport for |g:vimwiki_auto_chdir| option.
     * Support for anchors, see |vimwiki-anchors|
         * in this context, add support for TOC, see |vimwiki-toc|
         * remove the now useless %toc placeholder

plugin/vimwiki.vim

@@ -469,6 +469,8 @@ call s:default('map_prefix', '<Leader>w')
 
 call s:default('current_idx', 0)
 
+call s:default('auto_chdir', 0)
+
 " Scheme regexes should be defined even if syntax file is not loaded yet
 " cause users should be able to <leader>w<leader>w without opening any
 " vimwiki file first