techpack/smartline/icta/condition.lua

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--[[
ICTA Controller
===============
Part of the SmartLine mod
Copyright (C) 2017-2020 Joachim Stolberg
AGPL v3
See LICENSE.txt for more information
condition.lua
]]--
local sl = smartline
-- tables with all data from condition registrations
local kvRegisteredCond = {}
-- list of keys for conditions
local aCondTypes = {}
-- list of titles for conditions
local aCondTitles = {}
--
-- API functions for condition registrations
--
function sl.icta_register_condition(key, tData)
table.insert(aCondTypes, key)
table.insert(aCondTitles, tData.title)
if kvRegisteredCond[key] ~= nil then
print("[SmartLine] Condition registration error "..key)
return
end
kvRegisteredCond[key] = tData
for _,item in ipairs(tData.formspec) do
if item.type == "textlist" then
item.tChoices = string.split(item.choices, ",")
item.num_choices = #item.tChoices
end
end
end
-- return formspec string
function sl.cond_formspec(row, kvSelect)
return sl.submenu_generate_formspec(
row, "cond", "Condition type", aCondTypes, aCondTitles, kvRegisteredCond, kvSelect)
end
-- evaluate the row condition input
-- and return new data
function sl.cond_eval_input(kvSelect, fields)
kvSelect = sl.submenu_eval_input(kvRegisteredCond, aCondTypes, aCondTitles, kvSelect, fields)
return kvSelect
end
-- return the Lua code
function sl.code_condition(kvSelect, environ)
if kvSelect and kvRegisteredCond[kvSelect.choice] then
if smartline.submenu_verify(kvRegisteredCond, kvSelect) then
return kvRegisteredCond[kvSelect.choice].code(kvSelect, environ)
end
end
return nil, nil
end
sl.icta_register_condition("default", {
title = "",
formspec = {},
code = function(data, environ) return false, false end,
button = function(data, environ) return "..." end,
})