48 lines
1.8 KiB
VimL
48 lines
1.8 KiB
VimL
" MIT License. Copyright (c) 2013 Bailey Ling.
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" vim: ts=2 sts=2 sw=2 fdm=indent
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" Extension specific variables can be defined the usual fashion.
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if !exists('g:airline#extensions#example#number_of_cats')
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let g:airline#extensions#example#number_of_cats = 42
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endif
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" First you should follow the convention and define an 'init' function.
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" It takes a single argument, which is the 'ext'ension manager of sorts,
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" which you can invoke certain functions. The most important one is
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" 'add_statusline_funcref', which as the name implies, adds a funcref to
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" the collection such that it will be invoked prior to changes being made
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" to the statusline. Finally, invoke this init function in the
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" 'extensions.vim' file after a check to a non-autoloaded variable,
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" command, or function.
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function! airline#extensions#example#init(ext)
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call a:ext.add_statusline_funcref(function('airline#extensions#example#apply'))
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" Alternatively, you can also modify the default global section by
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" appending or prepending to it. But read on to see why using the funcref
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" method is preferred.
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let g:airline_section_y .= '%{airline#extensions#example#nyancat()}'
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endfunction
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function! airline#extensions#example#apply()
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" Here we are checking for the filetype, allowing for the extension to
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" be loaded only in certain cases.
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if &filetype == "nyancat"
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" Then we define a window-local variable, which overrides the default
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" g: variable.
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let w:airline_section_gutter =
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\ g:airline_section_gutter
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\ .' %{airline#extensions#example#get_cats()}'
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endif
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endfunction
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" Finally, this function will be invoked from the statusline.
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function! airline#extensions#example#get_cats()
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let cats = ''
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for i in range(1, g:airline#extensions#example#number_of_cats)
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let cats .= ' (,,,)=(^.^)=(,,,) '
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endfor
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return cats
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endfunction
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