Implement auto-chdir option

autoload/vimwiki/base.vim

@@ -151,6 +151,10 @@ function! vimwiki#base#setup_buffer_state(idx) " {{{ Init page-specific variable
   call VimwikiSet('invsubdir', vimwiki#base#invsubdir(subdir), a:idx)
   call VimwikiSet('url', vimwiki#html#get_wikifile_url(expand('%:p')), 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*

plugin/vimwiki.vim

@@ -452,6 +452,8 @@ 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