feat(integration): Use <C-k>d to input docname in vim (#33)

src/sphinxnotes/snippet/integration/binding.vim

@@ -10,7 +10,7 @@ function! g:SphinxNotesSnippetEdit(id)
   let file = system(join([s:snippet, 'get', '--file', a:id, '2>/dev/null'], ' '))
   let line = system(join([s:snippet, 'get', '--line-start', a:id, '2>/dev/null'], ' '))
   if &modified
-    execute 'tabedit ' . file
+    execute 'vsplit ' . file
   else
     execute 'edit ' . file
   endif
@@ -38,7 +38,27 @@ function! g:SphinxNotesSnippetListAndUrl()
   call g:SphinxNotesSnippetList(function('s:CallUrl'), 'ds')
 endfunction
 
+function! g:SphinxNotesSnippetInput(id, item)
+  let content = system(join([s:snippet, 'get', '--' . a:item, a:id, '2>/dev/null'], ' '))
+  let content = substitute(content, '\n\+$', '', '') " skip trailing \n
+  if a:item == 'docname' 
+    " Create doc reference.
+    let content = ':doc:`/' . content . '`'
+  endif
+  execute 'normal! i' . content
+endfunction
+
+function! g:SphinxNotesSnippetListAndInputDocname()
+  function! s:InputDocname(selection)
+    call g:SphinxNotesSnippetInput(s:SplitID(a:selection), 'docname')
+  endfunction
+  call g:SphinxNotesSnippetList(function('s:InputDocname'), 'd')
+endfunction
+
 nmap <C-k>e :call g:SphinxNotesSnippetListAndEdit()<CR>
 nmap <C-k>u :call g:SphinxNotesSnippetListAndUrl()<CR>
+nmap <C-k>d :call g:SphinxNotesSnippetListAndInputDocname()<CR>
+" FIXME: can't return to insert mode even use a/startinsert!/C-o
+imap <C-k>d <C-o>:call g:SphinxNotesSnippetListAndInputDocname()<CR>
 
 " vim: set shiftwidth=2: