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stand/lua: Allow menu items to be conditionally (in)visible

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This will be used to conditionally show/hide the boot environment menu.
This commit is contained in:
Kyle Evans 2018-02-19 01:59:41 +00:00
parent eb69d1f144
commit 4a4fb4f8d6
1 changed files with 6 additions and 0 deletions
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6
stand/lua/drawer.lua
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@ -167,6 +167,11 @@ function drawer.drawmenu(m)
local alias_table = {};
local entry_num = 0;
for line_num, e in ipairs(m) do
-- Allow menu items to be conditionally visible by specifying
-- a visible function.
if (e.visible ~= nil) and (not e.visible()) then
goto continue
end
if (e.entry_type ~= core.MENU_SEPARATOR) then
entry_num = entry_num + 1;
screen.setcursor(x, y + line_num);
@ -197,6 +202,7 @@ function drawer.drawmenu(m)
screen.setcursor(x, y + line_num);
print(e.name());
end
::continue::
end
return alias_table;
end