Merge PR #377 from https://github.com/schmeisers/vimwiki

autoload/vimwiki/tbl.vim

@@ -63,7 +63,7 @@ endfunction
 
 
 function! s:is_separator(line)
-  return a:line =~# '^\s*'.s:rxSep().'\(--\+'.s:rxSep().'\)\+\s*$'
+  return a:line =~# '^\s*'.s:rxSep().'\(:\=--\+:\='.s:rxSep().'\)\+\s*$'
 endfunction
 
 
@@ -72,6 +72,11 @@ function! s:is_separator_tail(line)
 endfunction
 
 
+function! s:is_last_column(lnum, cnum)
+  return a:line =~# '^\{-1}\%(\s*\|-*\)\%('.s:rxSep().'-\+\)\+'.s:rxSep().'\s*$'
+endfunction
+
+
 function! s:is_last_column(lnum, cnum)
   let line = strpart(getline(a:lnum), a:cnum - 1)
   return line =~# s:rxSep().'\s*$'  && line !~# s:rxSep().'.*'.s:rxSep().'\s*$'
@@ -250,6 +255,35 @@ function! s:get_rows(lnum)
 endfunction
 
 
+function! s:get_cell_aligns(lnum)
+  let aligns = {}
+  for [lnum, row] in s:get_rows(a:lnum)
+  let found_separator = s:is_separator(row)
+    if found_separator
+      let cells = vimwiki#tbl#get_cells(row)
+      for idx in range(len(cells))
+        let cell = cells[idx]
+        if cell =~# '^--\+:'
+          let aligns[idx] = 'right'
+        elseif cell =~# '^:--\+:'
+          let aligns[idx] = 'center'
+        else
+          let aligns[idx] = 'left'
+        endif
+      endfor
+      return aligns
+    endif
+  endfor
+  if !found_separator
+    let cells = vimwiki#tbl#get_cells(row)
+    for idx in range(len(cells))
+      let aligns[idx] = 'left'
+    endfor
+  endif
+  return aligns
+endfunction
+
+
 function! s:get_cell_max_lens(lnum, ...)
   let max_lens = {}
   for [lnum, row] in s:get_rows(a:lnum)
@@ -278,12 +312,13 @@ function! s:get_aligned_rows(lnum, col1, col2)
     call add(cells, vimwiki#tbl#get_cells(row))
   endfor
   let max_lens = s:get_cell_max_lens(a:lnum, cells, startlnum)
+  let aligns = s:get_cell_aligns(a:lnum)
   let result = []
   for [lnum, row] in rows
     if s:is_separator(row)
-      let new_row = s:fmt_sep(max_lens, a:col1, a:col2)
+      let new_row = s:fmt_sep(max_lens, aligns, a:col1, a:col2)
     else
-      let new_row = s:fmt_row(cells[lnum - startlnum], max_lens, a:col1, a:col2)
+      let new_row = s:fmt_row(cells[lnum - startlnum], max_lens, aligns,  a:col1, a:col2)
     endif
     call add(result, [lnum, new_row])
   endfor
@@ -312,20 +347,25 @@ function! s:cur_column()
 endfunction
 
 
-function! s:fmt_cell(cell, max_len)
+function! s:fmt_cell(cell, max_len, align)
   let cell = ' '.a:cell.' '
 
   let diff = a:max_len - s:wide_len(a:cell)
   if diff == 0 && empty(a:cell)
     let diff = 1
   endif
-
+  if a:align == 'left'
     let cell .= repeat(' ', diff)
+  elseif a:align == 'right'
+    let cell = repeat(' ',diff).cell
+  else
+    let cell = repeat(' ',diff/2).cell.repeat(' ',diff-diff/2)
+  endif
   return cell
 endfunction
 
 
-function! s:fmt_row(cells, max_lens, col1, col2)
+function! s:fmt_row(cells, max_lens, aligns, col1, col2)
   let new_line = s:rxSep()
   for idx in range(len(a:cells))
     if idx == a:col1
@@ -334,28 +374,36 @@ function! s:fmt_row(cells, max_lens, col1, col2)
       let idx = a:col1
     endif
     let value = a:cells[idx]
-    let new_line .= s:fmt_cell(value, a:max_lens[idx]).s:rxSep()
+    let new_line .= s:fmt_cell(value, a:max_lens[idx], a:aligns[idx]).s:rxSep()
   endfor
 
   let idx = len(a:cells)
   while idx < len(a:max_lens)
-    let new_line .= s:fmt_cell('', a:max_lens[idx]).s:rxSep()
+    let new_line .= s:fmt_cell('', a:max_lens[idx], a:aligns[idx]).s:rxSep()
     let idx += 1
   endwhile
   return new_line
 endfunction
 
 
-function! s:fmt_cell_sep(max_len)
+function! s:fmt_cell_sep(max_len, align)
+  let cell = ''
   if a:max_len == 0
-    return repeat('-', 3)
+    let cell .= '-'
   else
-    return repeat('-', a:max_len+2)
+    let cell .= repeat('-', a:max_len)
+  endif
+  if a:align == 'right'
+    return cell.'-:'
+  elseif a:align == 'left'
+    return cell.'--'
+  else
+    return ':'.cell.':'
   endif
 endfunction
 
 
-function! s:fmt_sep(max_lens, col1, col2)
+function! s:fmt_sep(max_lens, aligns, col1, col2)
   let new_line = s:rxSep()
   for idx in range(len(a:max_lens))
     if idx == a:col1
@@ -363,7 +411,7 @@ function! s:fmt_sep(max_lens, col1, col2)
     elseif idx == a:col2
       let idx = a:col1
     endif
-    let new_line .= s:fmt_cell_sep(a:max_lens[idx]).s:rxSep()
+    let new_line .= s:fmt_cell_sep(a:max_lens[idx], a:aligns[idx]).s:rxSep()
   endfor
   return new_line
 endfunction

doc/vimwiki.txt

@@ -1715,6 +1715,15 @@ values: >
 
 To indent table indent the first row. Then format it with 'gqq'.
 
+You can specify the type of horizontal alignment for columns in the separator
+using the ':' character. The default is left-align.  >
+
+ | Date       |  Item  |   Price |
+ |------------|:------:|--------:|
+ | yest       | Coffee |  $15.00 |
+ | 2017-02-13 |  Tea   |   $2.10 |
+ | 2017-03-14 |  Cake  | $143.12 |
+<
 
 ==============================================================================
 10. Diary                                                      *vimwiki-diary*