Add .vim

1 files changed, 71 insertions, 0 deletions

diff --git a/.vim/my/ftplugin/todolist.vim b/.vim/my/ftplugin/todolist.vim
new file mode 100644
index 0000000..e65faa3
--- /dev/null
+++ b/.vim/my/ftplugin/todolist.vim
@@ -0,0 +1,71 @@
+scriptencoding utf-8
+
+
+if exists('b:did_ftplugin_todolist')
+    finish
+endif
+
+
+
+inoremap <silent> <buffer> <expr>  <Space>  <SID>checkbox(0, ' ')
+inoremap <silent> <buffer> <expr>  x        <SID>checkbox(1, 'x')
+
+nnoremap <silent> <buffer>  <Plug>(todolist-toggle-checkbox)      :<C-u>call <SID>toggle_checkbox()<CR>
+nnoremap <silent> <buffer>  <Plug>(todolist-toggle-checkbox-rec)  :<C-u>call <SID>toggle_checkbox_rec()<CR>
+
+
+function! s:checkbox(check, char)
+    let line = getline('.')
+    if line =~# '^\s*$' && len(line) % shiftwidth() == 0
+        if a:check
+            return '[x] '
+        else
+            return '[ ] '
+        endif
+    else
+        return a:char
+    endif
+endfunction
+
+
+function! s:toggle_checkbox()
+    call s:toggle_checkbox_internal(line('.'), -1)
+endfunction
+
+
+function! s:toggle_checkbox_rec()
+    let checked = s:toggle_checkbox_internal(line('.'), -1)
+    if checked == -1
+        return
+    endif
+    if line('.') == line('$')
+        return
+    endif
+
+    let indent_lv = indent('.')
+    for l in range(line('.') + 1, line('$'))
+        if indent(l) <= indent_lv
+            break
+        end
+        call s:toggle_checkbox_internal(l, checked)
+    endfor
+endfunction
+
+
+function! s:toggle_checkbox_internal(line_num, ck_force)
+    let line = getline(a:line_num)
+    let match = matchlist(line, '^\(\s*\)\[\([x ]\)\]\(.*\)')
+    if empty(match)
+        return -1
+    endif
+
+    let [whole, spaces, ck, rest; _] = match
+    let checked = a:ck_force == -1 ? ck == 'x' : a:ck_force
+    let line = spaces . '[' . (checked ? ' ' : 'x') . ']' . rest
+    call setline(a:line_num, line)
+    return checked
+endfunction
+
+
+
+let b:did_ftplugin_todolist = 1