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--- Edit the contents of text inputs in an external editor.
--
-- This module allows you to edit the contents of the currently focused
-- text input in your preferred text editor. The focused text input is
-- disabled, and a text editor window will open with the current input
-- contents. After you have finished editing, save the file and quit the
-- editor; the text input will be enabled and its contents will be set
-- to that of the saved file.
--
-- @module open_editor
local modes = require("modes")
local editor = require("editor")
local add_binds = modes.add_binds
local _M = {}
local function edit_externally(w)
local time = os.time()
local marker = "luakit_extedit_" .. time
local file = luakit.cache_dir .. "/" .. marker .. ".txt"
local function editor_callback()
local f = io.open(file, "r")
local s = f:read("*all")
f:close()
os.remove(file)
-- Strip the string
s = s:gsub("^%s*(.-)%s*$", "%1")
-- Escape it but remove the quotes
s = string.format("%q", s):sub(2, -2)
-- lua escaped newlines (slash+newline) into js newlines (slash+n)
s = s:gsub("\\\n", "\\n")
w.view:eval_js(string.format([=[
var e = document.getElementsByClassName('%s');
if (1 == e.length && e[0].disabled) {
e[0].focus();
e[0].value = "%s";
e[0].disabled = false;
e[0].className = e[0].className.replace(/\b %s\b/,'');
}
]=], marker, s, marker), { no_return = true })
end
w.view:eval_js(string.format([=[
var e = document.activeElement;
if (e && ('TEXTAREA' === e.tagName || 'text' === e.type)) {
var s = e.value;
e.className += " %s";
e.disabled = true;
e.value = 'Editing externally...';
s;
} else 'false';
]=], marker, file), { callback = function(s)
if "false" ~= s then
local f = io.open(file, "w")
f:write(s)
f:flush()
f:close()
editor.edit(file, 1, editor_callback)
end
end })
end
add_binds("insert", {
{ "<Control-e>", "Edit currently focused input in external editor.", edit_externally },
})
return _M
-- vim: et:sw=4:ts=8:sts=4:tw=80
|
