A citation source for unite.vim
(https://github.com/rafaqz/citation.vim)
Citation.vim imports Zotero databases or exported bibtex/biblatex files. It can insert keys and many other fields, open attached pdfs and urls.
Citation.vim allows you to create a workflow from within your documents. You can open referenced pdfs or url directly from citations, and view all citation details, notes and abstracts within vim or nvim. You can also use Zoteros full-text search to pre-filter items based on attachment text.
Many thanks to termoshtt for unite-bibtex and smathot for gnotero and LibZotero code.
Warning: the concept of this plugin is fundamentally a hack. It uses Zotero databases in ways they are not intended to be used (in the name of brute speed and unmatched utility, of course), and bibtex/biblatex files that are problematic in terms of their structural consistency. This plugin should work for Zotero 5 or biblatex files in vim with python 2 or 3 on Linux, in English. I test the hell out that setup and use it most days. Other setups may work fine, or they may break.
If you have problems, please open an issue on github and include the error output from vim.
This plugin provides a lot of unite sources. Some important ones are:
citation/key
- returns citation key string like [@smith2004] to be used as a reference.
- customise the prefix and suffix to produce latex/pandoc etc. citation styles.
citation/file
- Returns the file attached to a citation, great for opening pdfs from vim directly, using the 'start' action.
- If there are multiple files it returns the first one.
citation/combined
- Preview all available citation data on one page.
The full list:
| Source | Output |
|---|---|
| citation | list sources |
| citation/abstract | absract |
| citation/author | all authors, combined with rules set in g:citation_vim_et_al_limit |
| citation/combined | all fields combined in an info page |
| citation/date | year of publication |
| citation/doi | doi |
| citation/duplicate_keys | key from filter items that have duplicate keys |
| citation/file | the first listed attachment that is a pdf, epub or ps file |
| citation/isbn | isbn |
| citation/publication | name of journal, magazine etc |
| citation/key | key from bibtex, generated, of from zotero. default format is [@key] |
| citation/key_inner | inner key, default format is @key |
| citation/language | language |
| citation/issue | issue |
| citation/notes | all attached notes, joined |
| citation/pages | pages |
| citation/publisher | publisher |
| citation/tags | all tags, comma separated |
| citation/title | title |
| citation/type | type of item |
| citation/url | url |
| citation/volume | volume |
| citation/zotero_key | the raw key used by zotero |
| citation_collection | (yes underscore not slash) list Zotero collection to filter results. |
Whichever source is selected, execute/edit and preview commands will always echo combined information for the citation, and file will always use the attached pdf/epub file path. This is useful for setting open/show info key commands to use within unite - see the example mappings for how to do this.
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Install unite.vim
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Install this plugin in vim however you like to do that.
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Choose your source
If you're using bibtex
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install pybtex
easy_install pybtex
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Set variables:
let g:citation_vim_bibtex_file="/path/to/your/bib/file/library.bib" let g:citation_vim_mode="bibtex"
To use zotero
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Set variables:
let g:citation_vim_mode="zotero" (default) let g:citation_vim_zotero_path="/path/to/your/zotero/7XX8XX72/zotero_folder/" ("~/Zotero" is default) let g:citation_vim_zotero_version=5 (5 is the Default, zotero 4 is no longer supported)The zotero path is quite variable accross different systems, just make sure it contains the file
zotero.sqlite -
If you have set a "Linked Attachment Base Directory" in zotero (in Preferences\Files and Folders) you will need to set:
let g:citation_vim_zotero_attachment_path="/your/linked/attachment/base/directory" ("default ~/Zotero/library") -
If you don't have the better bibtex plugin and you want readable keys (like smith2010Sometitle), set a key formatter. This will not produce fixed keys like the better-bibtex plugin, so make sure to manage your duplicates (use Unite citation/duplicate_keys to check) and watch for key changes after editing author, date or title in zotero. Author and Title can be in lower case or sentence case.
let g:citation_vim_key_format="{author}{date}{title}"Key cleanup is set ot match zoteros default Bibtex.js/Biblatex.js translator files. If you need to change these, you can also set:
let g:citation_vim_key_title_banned_regex = "\\b(a|an|the|some|from|on|in|to|of|do|with|der|die|das|ein|eine|einer|eines|einem|einen|un|une|la|le|l|el|las|los|al|uno|una|unos|unas|de|des|del|d)\\W") let g:citation_vim_key_clean_regex = "[^A-Za-z0-9\!\$\&\*\+\-\.\/\:\;\<\>\?\[\]\^\_\`\|]+") -
And optionally:
let g:citation_vim_collection" = 'your_zotero_collection'Although this can be set on the fly with :Unite citation_collection
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Set a cache path:
let g:citation_vim_cache_path='~/.vim/your_cache_path'
- Set your citation suffix and prefix. This pandoc markdown style is the default:
let g:citation_vim_outer_prefix="["
let g:citation_vim_inner_prefix="@"
let g:citation_vim_suffix="]"
- Set the et al. limit. If the number of authors is greater than the limit only
the first author with
et al.appended is shown or printed in case ofcitation/author. (Default: 5)
let g:citation_vim_et_al_limit=2
- The default order results are displayed in was recently reversed so your recent additions are allways at the top. If you want to keep the old behaviour, set:
let g:citation_vim_reverse_order=0
- Set some mappings. Copy and paste the following examples into your vimrc to get started.
Set a unite leader:
nmap <leader>u [unite]
nnoremap [unite] <nop>
To insert a citation:
nnoremap <silent>[unite]c :<C-u>Unite -buffer-name=citation-start-insert -default-action=append citation/key<cr>
To immediately open a file from a citation under the cursor:
nnoremap <silent>[unite]co :<C-u>Unite -input=<C-R><C-W> -default-action=start -force-immediately citation/file<cr>
Or open a url from a citation under the cursor:
nnoremap <silent><leader>cu :<C-u>Unite -input=<C-R><C-W> -default-action=start -force-immediately citation/url<cr>
To browse the file folder from a citation under the cursor:
nnoremap <silent>[unite]cf :<C-u>Unite -input=<C-R><C-W> -default-action=file -force-immediately citation/file<cr>
To view all citation information from a citation under the cursor:
nnoremap <silent>[unite]ci :<C-u>Unite -input=<C-R><C-W> -default-action=preview -force-immediately citation/combined<cr>
To preview, append, yank any other citation data you want from unite:
nnoremap <silent>[unite]cp :<C-u>Unite -default-action=yank citation/your_source_here<cr>
To integrate with zotcli for note editing (assuming you have zotcli installed):
nnoremap <silent><leader>cn :<C-u>UniteWithCursorWord -default-action=yank -force-immediately citation/title<cr><cr>:!zotcli add-note "<C-R>0"<cr>
Search for word by appending them after the command and a colon:
Search for the word under the cursor:
nnoremap <silent>[unite]cs :<C-u>Unite -default-action=yank citation/key:<C-R><C-W><cr>
Search for selected words in visual mode (notice that spaces have to be escaped) :
vnoremap <silent>[unite]cs :<C-u>exec "Unite -default-action=start citation/key:" . escape(@*,' ') <cr>
Type search terms in the prompt:
nnoremap <silent>[unite]cx :<C-u>exec "Unite -default-action=start citation/key:" . escape(input('Search Key : '),' ') <cr>
:Unite citation for a full list of sources...
This autocomand sets Control-o to open files and Control-i to show info
autocmd FileType unite call s:unite_my_settings()
function! s:unite_my_settings()
nnoremap <silent><buffer><expr> <C-o> unite#do_action('start')
imap <silent><buffer><expr> <C-o> unite#do_action('start')
nnoremap <silent><buffer><expr> <C-i> unite#do_action('preview')
imap <silent><buffer><expr> <C-i> unite#do_action('preview')
endfunction
Customise the unite display, using the names of citation sources and a python format string (the {} braces will be replaced by the sources):
let g:citation_vim_description_format = "{}∶ {} \˝{}\˝ ₋{}₋ ₍{}₎"
let g:citation_vim_description_fields = ["key", "author", "doi", "journal", "whateveryouwant"]
You might have noticed the weird characters in the description format string. They are used for highlighting sections, to avoid confusion with normal characters that might be in the citation.
To change description highlighting characters, copy and paste characters from this list:
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Quotes ″‴‶‷
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Brackets ⊂〔₍⁽ ⊃〕₎⁾
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Arrows ◀◁<‹ ▶▷>›
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Blobs ♯♡◆◇◊○◎●◐◑∗∙⊙⊚⌂★☺☻▪■□▢▣▤▥▦▧▨▩
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Tiny 、。‸₊⁺∘♢☆☜☞♢☼
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Bars ‖│┃┆∥┇┊┋
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Dashes ‾⁻−₋‐⋯┄–—―∼┈─▭▬┉━┅₌⁼‗
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And use these like a colon after words (notice that's not a normal colon) ∶∷→⇒≫
Long lines will occasionally break the display colors. It's a quirk of how unite shortens lines.
You can correct your .bib file with pybtex-convert:
pybtex-convert /path/to/your.bib out.bibIf you have other problems, open an issue on github and include the error output from vim. Please pull the latest changes first, and include your vim/nvim version and zotero versions in the issue. Attaching your bib(la)tex file may also be helpful if using the bibtex/biblatex backend.
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