local p = {}
-- from https://lua-users.org/wiki/SimpleRound
local function round(num, decimal_places)
local mult = 10^(decimal_places or 0)
return math.floor(num * mult + 0.5) / mult
end
local function c_to_f(temperature_in_c)
return temperature_in_c * 1.8 + 32
end
local function mm_to_in(precipitation_in_mm)
return precipitation_in_mm / 25.4
end
-- this implements the fahrenheit subtemplate, will need to look into what the
-- celsius template is doing
-- unit_system currently unused accordingly
local function month_column(low_temp, high_temp, precipitation, max_precipitation, unit_system)
local precipitation = precipitation or 80
local base_precipitation = max_precipitation or 500
local precipitation_scale = math.max(1, base_precipitation / 750) -- 750 mm is the maximum for height
local precipitation_bar_height = precipitation / 50 / precipitation_scale -- 50 is a magic constant
local precipitation_in_inches = precipitation / 25.4
local decimal_places = 0
if precipitation_in_inches < 10 then decimal_places = 1 end
local rounded_precipitation_inches = round(precipitation_in_inches, decimal_places)
local low_temp = low_temp or 10
local high_temp = high_temp or 20
local low_temp_shift_for_bar = low_temp / 5 + 8 -- magic numbers
local temp_bar_height = (high_temp - low_temp) / 5 -- magic numbers
local high_temp_shift = high_temp / 5 + 8
local low_temp_shift = low_temp / 5 + 6.5
local high_temp_f = c_to_f(high_temp)
local rounded_high_temp_f = round(high_temp_f, 0)
local high_temp_sign = ''
if rounded_high_temp_f < 0 then high_temp_sign = '−' end
local abs_high_temp = math.abs(rounded_high_temp_f)
local low_temp_f = c_to_f(low_temp)
local rounded_low_temp_f = round(low_temp_f, 0)
local low_temp_sign = ''
if rounded_low_temp_f < 0 then low_temp_sign = '−' end
local abs_low_temp = math.abs(rounded_low_temp_f)
local column = mw.html.create('div')
column:addClass('climate-chart-column')
:tag('div')
:addClass('climate-chart-column-spacer')
:wikitext(' ')
:done()
:tag('div')
:addClass('climate-chart-column-precip-bar')
:wikitext(' ')
:css('height', precipitation_bar_height .. 'em')
:css('print-color-adjust', 'exact') -- css sanitizer doesn't accept yet
:done()
:tag('div')
:addClass('climiate-chart-column-precip')
:tag('span')
:wikitext(rounded_precipitation_inches)
:done()
:done()
:tag('div')
:addClass('climate-chart-column-spacer2')
:wikitext(' ')
:done()
:tag('div')
:addClass('climate-chart-column-temp-bar')
:wikitext(' ')
:css('bottom', low_temp_shift_for_bar .. 'em' )
:css('height', temp_bar_height .. 'em')
:css('print-color-adjust', 'exact') -- css sanitizer doesn't accept yet
:done()
:tag('div')
:addClass('climate-chart-column-high-temp')
:css('bottom', high_temp_shift .. 'em')
:tag('span')
:wikitext(high_temp_sign .. abs_high_temp)
:done()
:done()
:tag('div')
:addClass('climate-chart-column-low-temp')
:css('bottom', low_temp_shift .. 'em')
:tag('span')
:wikitext(low_temp_sign .. abs_low_temp)
:done()
:done()
:done()
return column
end
local function header_row()
local months = { 'J', 'F', 'M', 'A', 'M', 'J', 'J', 'A', 'S', 'O', 'N', 'D' }
local month_row = mw.html.create('tr')
for month in ipairs(months) do
rows:tag('th')
:attr('scope', 'col')
:wikitext(month)
:done()
end
return month_row:allDone()
end
local function arg_or_default(args, from_arg, default)
local arg = mw.text.trim(args[from_arg] or '')
if arg ~= '' then
return arg
else
return default
end
end
-- TODO: implement
local function table_insanity(args, imperial)
local primary = mw.html.create('table')
:addClass('climate-chart-primary climate-chart-internal')
:node(header_row())
:done()
local secondary_chart = mw.html.create('div')
:addClass('climate-chart-secondary climate-chart-internal')
:node(header_row())
:done()
local secondary_title = imperial and 'Metrix conversion' or 'Imperial conversion'
-- primary has html_chart
return primary, {
title = secondary_title,
chart = secondary_chart
}
end
local function wrap_secondary_content(chart_content, temp_explanation, precip_explanation)
local ret = mw.html.create('div')
ret:addClass('climate-chart-secondary mw-collapsible mw-collapsed')
:tag('div')
:addClass('climate-chart-secondary-title')
:wikitext(chart_content.title)
:done()
:tag('div')
:addClass('mw-collapsible-content')
:node(chart_content.chart)
:node(temp_explanation)
:node(precip_explanation)
:done()
return ret
end
local function explain_bar(bar_type, text)
local ret = mw.html.create('p')
ret:addClass('climate-change-explain-bar-' .. bar_type)
:tag('span')
:wikitext('█')
:done()
:wikitext(text)
:done()
return ret
end
local function explain(imperial, bar_type, imperial_explanation, metric_explanation)
if imperial then
return explain_bar(bar_type, imperial_explanation),
explain_bar(bar_type, metric_explanation)
else
return explain_bar(bar_type, metric_explanation),
explain_bar(bar_type, imperial_explanation)
end
end
local function add_source(source)
if not source then return end
return mw.html.create('p'):wikitext(string.format('Source: %s', source))
end
local function add_title_content(title)
local ret = mw.html.create()
ret:tag('div')
:addClass('climate-chart-title')
:wikitext(title)
:done()
:tag('div')
:addClass('climate-chart-explainer')
:wikitext('Climate chart ([[Template:Climate chart/How to read a climate chart|explanation]])')
:done()
return ret
end
function p._main(args)
local float = arg_or_default(args, 'float', nil)
local float_class = nil
if float then
if float == 'right' then
float_class = 'climate-chart-right'
elseif float == 'left' then
float_class = 'climate-chart-left'
end
end
local clear = arg_or_default(args, 'clear', nil) or float
local width = arg_or_default(args, 'width', nil)
local climate_chart = mw.html.create('div')
climate_chart:addClass('climate-chart')
:css('width', width)
:css('clear', clear)
local units = string.lower(arg_or_default(args, 'units', ''))
local is_imperial_primary = units == 'imperial' and true or false
local title = arg_or_default(args, '1', '')
local title_content = add_title_content(title)
local primary_chart, secondary_chart_content = table_insanity(
args,
is_imperial_primary
)
local primary_temp_explanation, secondary_temp_explanation = explain(
is_imperial_primary,
'temp',
' Average max. and min. temperatures in °F',
' Average max. and min. temperatures in °C'
)
local primary_precip_explanation, secondary_precip_explanation = explain(
is_imperial_primary,
'precip',
' Precipitation totals in inches',
' Precipitation totals in mm'
)
local source = arg_or_default(args, 'source', nil)
local wrapped_source = add_source(source)
local secondary_content = wrap_secondary_content(
secondary_chart_content,
secondary_temp_explanation,
secondary_precip_explanation
)
climate_chart:node(title_content)
:node(primary_chart)
:node(primary_temp_explanation)
:node(primary_precip_explanation)
:node(wrapped_source)
:node(secondary_content)
:allDone()
return mw.getCurrentFrame():extensionTag{
name = 'templatestyles', args = { src = 'Module:Climate chart/styles.css' }
} .. tostring(climate_chart)
end
function p.main(frame)
return p._main(frame:getParent().args)
end
return p
