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https://github.com/MikaylaFischler/cc-mek-scada.git
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90 lines
2.5 KiB
Lua
90 lines
2.5 KiB
Lua
-- Power Indicator Graphics Element
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local util = require("scada-common.util")
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local element = require("graphics.element")
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---@class power_indicator_args
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---@field label string indicator label
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---@field format string power format override (lua string format)
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---@field rate boolean? whether to append /t to the end (power per tick)
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---@field lu_colors? cpair label foreground color (a), unit foreground color (b)
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---@field value number default value
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---@field parent graphics_element
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---@field id? string element id
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---@field x? integer 1 if omitted
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---@field y? integer auto incremented if omitted
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---@field width integer length
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---@field fg_bg? cpair foreground/background colors
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---@field hidden? boolean true to hide on initial draw
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-- new power indicator
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---@nodiscard
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---@param args power_indicator_args
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---@return graphics_element element, element_id id
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local function power(args)
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element.assert(type(args.value) == "number", "value is a required field")
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element.assert(util.is_int(args.width), "width is a required field")
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args.height = 1
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-- create new graphics element base object
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local e = element.new(args)
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e.value = args.value
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local data_start = 0
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-- on state change
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---@param value any new value
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function e.on_update(value)
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e.value = value
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local data_str, unit = util.power_format(value, false, args.format)
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-- write data
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e.w_set_cur(data_start, 1)
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e.w_set_fgd(e.fg_bg.fgd)
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e.w_write(util.comma_format(data_str))
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-- write unit
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if args.lu_colors ~= nil then
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e.w_set_fgd(args.lu_colors.color_b)
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end
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-- append per tick if rate is set
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-- add space to FE so we don't end up with FEE (after having kFE for example)
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if args.rate == true then
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unit = unit .. "/t"
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if unit == "FE/t" then unit = "FE/t " end
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else
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if unit == "FE" then unit = "FE " end
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end
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e.w_write(" " .. unit)
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end
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-- set the value
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---@param val any new value
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function e.set_value(val) e.on_update(val) end
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-- element redraw
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function e.redraw()
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if args.lu_colors ~= nil then e.w_set_fgd(args.lu_colors.color_a) end
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e.w_set_cur(1, 1)
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e.w_write(args.label)
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data_start = string.len(args.label) + 2
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if string.len(args.label) == 0 then data_start = 1 end
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e.on_update(e.value)
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end
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-- initial draw
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e.redraw()
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return e.complete()
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end
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return power
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