New feature reject a item form todo-list

Based on patches of davidlmontgomery.

autoload/vimwiki/lst.vim

@@ -693,6 +693,9 @@ function! s:get_rate(item) "{{{
     return -1
   endif
   let state = a:item.cb
+  if state == g:vimwiki_listsym_rejected
+    return -1
+  endif
   let n=len(g:vimwiki_listsyms_list)
   return index(g:vimwiki_listsyms_list, state) * 100/(n-1)
 endfunction "}}}
@@ -735,6 +738,8 @@ function! s:rate_to_state(rate) "{{{
     let state = g:vimwiki_listsyms_list[n-1]
   elseif a:rate == 0
     let state = g:vimwiki_listsyms_list[0]
+  elseif a:rate == -1
+    let state = g:vimwiki_listsym_rejected
   else
     let index = float2nr(ceil(a:rate/100.0*(n-2)))
     let state = g:vimwiki_listsyms_list[index]
@@ -759,8 +764,11 @@ function! s:update_state(item) "{{{
       break
     endif
     if child_item.cb != ''
-      let count_children_with_cb += 1
-      let sum_children_rate += s:get_rate(child_item)
+      let rate = s:get_rate(child_item)
+      if rate != -1
+        let count_children_with_cb += 1
+        let sum_children_rate += rate
+      endif
     endif
     let child_item = s:get_next_child_item(a:item, child_item)
   endwhile
@@ -909,6 +917,46 @@ function! vimwiki#lst#toggle_cb(from_line, to_line) "{{{
 
 endfunction "}}}
 
+"Toggles checkbox between [ ] and [-] or creates one
+"in the lines of the given range
+function! vimwiki#lst#toggle_rejected_cb(from_line, to_line) "{{{
+  let from_item = s:get_corresponding_item(a:from_line)
+  if from_item.type == 0
+    return
+  endif
+
+  if from_item.cb == ''
+
+    "if from_line has no CB, make a CB in every selected line
+    let parent_items_of_lines = []
+    for cur_ln in range(from_item.lnum, a:to_line)
+      let cur_item = s:get_item(cur_ln)
+      let success = s:create_cb(cur_item)
+
+      if success
+        let cur_parent_item = s:get_parent(cur_item)
+        if index(parent_items_of_lines, cur_parent_item) == -1
+          call insert(parent_items_of_lines, cur_parent_item)
+        endif
+      endif
+    endfor
+
+    for parent_item in parent_items_of_lines
+      call s:update_state(parent_item)
+    endfor
+
+  else
+
+    "if from_line has CB, toggle it and set all siblings to the same new state
+    let rate_first_line = s:get_rate(from_item)
+    let new_rate = rate_first_line == -1 ? 0 : -1
+
+    call s:change_cb(a:from_line, a:to_line, new_rate)
+
+  endif
+
+endfunction "}}}
+
 function! vimwiki#lst#remove_cb(first_line, last_line) "{{{
   let first_item = s:get_corresponding_item(a:first_line)
   let last_item = s:get_corresponding_item(a:last_line)
@@ -1549,6 +1597,10 @@ function! vimwiki#lst#setup_marker_infos() "{{{
 
   "the user can set the listsyms as string, but vimwiki needs a list
   let g:vimwiki_listsyms_list = split(g:vimwiki_listsyms, '\zs')
+
+  if match(g:vimwiki_listsyms, g:vimwiki_listsym_rejected) != -1
+    echomsg "Warning: g:vimwiki_listsyms and g:vimwiki_listsym_rejected overlap"
+  endif
 endfunction "}}}
 
 function! vimwiki#lst#TO_list_item(inner, visual) "{{{

ftplugin/vimwiki.vim

@@ -295,6 +295,7 @@ command! -buffer -range -nargs=1 VimwikiChangeSymbolTo call vimwiki#lst#change_m
 command! -buffer -range -nargs=1 VimwikiListChangeSymbolI call vimwiki#lst#change_marker(<line1>, <line2>, <f-args>, 'i')
 command! -buffer -nargs=1 VimwikiChangeSymbolInListTo call vimwiki#lst#change_marker_in_list(<f-args>)
 command! -buffer -range VimwikiToggleListItem call vimwiki#lst#toggle_cb(<line1>, <line2>)
+command! -buffer -range VimwikiToggleListItemRejected call vimwiki#lst#toggle_rejected_cb(<line1>, <line2>)
 command! -buffer -range VimwikiIncrementListItem call vimwiki#lst#increment_cb(<line1>, <line2>)
 command! -buffer -range VimwikiDecrementListItem call vimwiki#lst#decrement_cb(<line1>, <line2>)
 command! -buffer -range -nargs=+ VimwikiListChangeLvl call vimwiki#lst#change_level(<line1>, <line2>, <f-args>)

plugin/vimwiki.vim

@@ -373,6 +373,7 @@ call s:default('hl_cb_checked', 0)
 call s:default('list_ignore_newline', 1)
 call s:default('text_ignore_newline', 1)
 call s:default('listsyms', ' .oOX')
+call s:default('listsym_rejected', '-')
 call s:default('use_calendar', 1)
 call s:default('table_mappings', 1)
 call s:default('table_auto_fmt', 1)

syntax/vimwiki_default.vim

@@ -79,7 +79,7 @@ let g:vimwiki_rxListDefine = '::\(\s\|$\)'
 call vimwiki#lst#setup_marker_infos()
 
 let g:vimwiki_rxListItemWithoutCB = '^\s*\%(\('.g:vimwiki_rxListBullet.'\)\|\('.g:vimwiki_rxListNumber.'\)\)\s'
-let g:vimwiki_rxListItem = g:vimwiki_rxListItemWithoutCB . '\+\%(\[\(['.g:vimwiki_listsyms.']\)\]\s\)\?'
+let g:vimwiki_rxListItem = g:vimwiki_rxListItemWithoutCB . '\+\%(\[\(['.g:vimwiki_listsyms.g:vimwiki_listsym_rejected.']\)\]\s\)\?'
 let g:vimwiki_rxListItemAndChildren = '^\(\s*\)\%('.g:vimwiki_rxListBullet.'\|'.g:vimwiki_rxListNumber.'\)\s\+\['.g:vimwiki_listsyms_list[-1].'\]\s.*\%(\n\%(\1\s.*\|^$\)\)*'
 
 " Preformatted text

syntax/vimwiki_markdown.vim

@@ -76,7 +76,7 @@ let g:vimwiki_rxListDefine = '::\%(\s\|$\)'
 call vimwiki#lst#setup_marker_infos()
 
 let g:vimwiki_rxListItemWithoutCB = '^\s*\%(\('.g:vimwiki_rxListBullet.'\)\|\('.g:vimwiki_rxListNumber.'\)\)\s'
-let g:vimwiki_rxListItem = g:vimwiki_rxListItemWithoutCB . '\+\%(\[\(['.g:vimwiki_listsyms.']\)\]\s\)\?'
+let g:vimwiki_rxListItem = g:vimwiki_rxListItemWithoutCB . '\+\%(\[\(['.g:vimwiki_listsyms.g:vimwiki_listsym_rejected.']\)\]\s\)\?'
 let g:vimwiki_rxListItemAndChildren = '^\(\s*\)\%('.g:vimwiki_rxListBullet.'\|'.g:vimwiki_rxListNumber.'\)\s\+\['.g:vimwiki_listsyms_list[-1].'\]\s.*\%(\n\%(\1\s.*\|^$\)\)*'
 
 " Preformatted text

syntax/vimwiki_media.vim

@@ -57,7 +57,7 @@ let g:vimwiki_rxListDefine = '^\%(;\|:\)\s'
 call vimwiki#lst#setup_marker_infos()
 
 let g:vimwiki_rxListItemWithoutCB = '^\s*\%(\('.g:vimwiki_rxListBullet.'\)\|\('.g:vimwiki_rxListNumber.'\)\)\s'
-let g:vimwiki_rxListItem = g:vimwiki_rxListItemWithoutCB . '\+\%(\[\(['.g:vimwiki_listsyms.']\)\]\s\)\?'
+let g:vimwiki_rxListItem = g:vimwiki_rxListItemWithoutCB . '\+\%(\[\(['.g:vimwiki_listsyms.g:vimwiki_listsym_rejected.']\)\]\s\)\?'
 let g:vimwiki_rxListItemAndChildren = '^\('.g:vimwiki_rxListBullet.'\)\s\+\['.g:vimwiki_listsyms_list[-1].'\]\s.*\%(\n\%(\1\%('.g:vimwiki_rxListBullet.'\).*\|^$\|\s.*\)\)*'
 
 " Preformatted text