Added smart mapping for tab-completion

via http://vim.wikia.com/wiki/Smart_mapping_for_tab_completion

vim/vimrc.symlink

@@ -288,6 +288,28 @@ function! ApplyLocalSettings(dirname)
 endfunction
 autocmd! BufEnter * call ApplyLocalSettings(expand("<afile>:p:h"))
 
+" smart tab completion
+function! Smart_TabComplete()
+    let line = getline('.')
+    let substr = strpart(line, -1, col('.')+1)
+
+    let substr = matchstr(substr, "[^ \t]*$")
+    if (strlen(substr) == 0)
+        return "<\tab>"
+    endif
+    let has_period = match(substr, '\.') != -1
+    let has_slash = match(substr, '\/') != -1
+    if (!has_period && !has_slash)
+        return "\<C-X>\<C-P>"
+    elseif (has_slash)
+        return "\<C-X>\<C-F>"
+    else
+        return "\<C-X>\<C-O>"
+    endif
+endfunction
+
+inoremap <tab> <c-r>=Smart_TabComplete()<CR>
+
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " => Plugins
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""