v4k-git-backup/engine/art/editor/lite/data/plugins/autowrap.lua

36 lines
1.0 KiB
Lua

require "plugins.reflow"
local config = require "core.config"
local command = require "core.command"
local DocView = require "core.docview"
config.autowrap_files = { "%.md$", "%.txt$" }
local on_text_input = DocView.on_text_input
DocView.on_text_input = function(self, ...)
on_text_input(self, ...)
-- early-exit if the filename does not match a file type pattern
local filename = self.doc.filename or ""
local matched = false
for _, ptn in ipairs(config.autowrap_files) do
if filename:match(ptn) then
matched = true
break
end
end
if not matched then return end
-- do automatic reflow on line if we're typing at the end of the line and have
-- reached the line limit
local line, col = self.doc:get_selection()
local text = self.doc:get_text(line, 1, line, math.huge)
if #text >= config.line_limit and col > #text then
command.perform("doc:select-lines")
command.perform("reflow:reflow")
command.perform("doc:move-to-next-char")
command.perform("doc:move-to-previous-char")
end
end