Модуль:Television ratings graph

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Створює стандартний графік телевізійних рейтингів через виклик

{{#invoke:Television ratings graph|main}}

з параметрами, що описані в документації цього шаблону.

-- This module implements {{Television ratings graph}}.

--------------------------------------------------------------------------------
-- TVRG class
-- The main class.
--------------------------------------------------------------------------------

local TVRG = {}

--Огортає назву серіалу відповідно до письма
function TVRG.formatTitle(text)
	local is_Latin = require("Модуль:Unicode data").is_Latin					--завантажуємо функцію перевірки на наявність латинського тексту з модуля Unicode data
	local formated_text
	
	if is_Latin(text) then														--якщо текст латинський
		formated_text = "''" .. text .."''"										--то огортаємо текст в '' для створення курсиву
	else
		formated_text = "«" .. text .. "»"										--якщо ні, то огортаємо в лапки-ялинки
	end

	return formated_text														--повертаємо відформатований текст
end	


-- Convert HEX codes to RGB values
function TVRG.hex2rgb(hex)
    hex = hex:gsub('#', '')
    if #hex == 3 then
    	-- #000 format
    	return tonumber("0x"..hex:sub(1,1)..hex:sub(1,1))/256, tonumber("0x"..hex:sub(2,2)..hex:sub(2,2))/256,
    		   tonumber("0x"..hex:sub(3,3)..hex:sub(3,3))/256
	else
    	-- #000000 format
    	return tonumber("0x"..hex:sub(1,2))/256, tonumber("0x"..hex:sub(3,4))/256, tonumber("0x"..hex:sub(5,6))/256
    end
end

-- Allow usages of {{N/A}} cells
function TVRG.NACell(frame,text)
	local cell = mw.html.create('td')
	local attrMatch = '([%a-]*)="([^"]*)"'
	
	infoParam = frame:expandTemplate{title='N/A',args={text}}
	
	-- Gather styles of {{N/A}} and assign to node variable
	while true do
		local a,b = string.match(infoParam,attrMatch)
		if a == nil or b == nil then break end
		cell:attr(a,b)
		infoParam = string.gsub(infoParam,attrMatch,'',1)
	end

	infoParam = string.gsub(infoParam,'%s*|%s*','',1)
	cell:wikitext(infoParam)
	
	return cell
end

-- Create the graph and table
function TVRG.new(frame,args)
	args = args or {}
	
	-- Variables
	local timeline = ''
	local longestseason = -1
	local average = args.average and 1 or 0
	local season_title = args.season_title or 'Сезон'
	local root = mw.html.create('div')
		:attr('align', 'center')
	
	-- Create the timeline
	
	-- Number of actual viewer numbers
	local numberargs = 0
	for k,v in pairs(args) do 
		if not string.match(k,'[^%d]+') and not string.match(v,'[^%d%.]+') then numberargs = numberargs + 1 end
	end
	
	-- Bar width
	local barwidth
	if numberargs < 20 then barwidth = 8
	elseif numberargs >= 20 and numberargs < 50 then barwidth = 7
	elseif numberargs >= 50 and numberargs < 80 then barwidth = 6
	elseif numberargs >= 80 then barwidth = 5
	end
	
	-- Basis parameters
	timeline = timeline .. "ImageSize  = width:" .. (args.width or 1000) .. " height:" .. (args.height or 300) .. "\n"
	timeline = timeline .. "PlotArea   = left:50 bottom:70 top:20 right:50\n"
	timeline = timeline .. "AlignBars  = justify\n"
	
	timeline = timeline .. "Colors     =\n"
	timeline = timeline .. " id:a value:gray(0.7)\n"
	
	-- Determine number of seasons
	local num_seasons = -1
	for k,v in pairs(args) do
		local thisseason = tonumber(string.sub(k,6))
		if string.sub(k,1,5) == 'color' and thisseason > num_seasons then
			num_seasons = thisseason
		end
	end
	if num_seasons < 1 then
		num_seasons = 1
	end
	
	-- Colour and legend variables
	local season = 1
	for season = 1,num_seasons do 
		args['color' .. season] = args['color' .. season] or '#006600' -- реалізація як в англ. вікі, щоб коли кольор не задано виводився стандартний колір в графіку і таблиці
		local r,g,b = TVRG.hex2rgb(args['color' .. season])
		timeline = timeline .. " id:season" .. season .. " value:rgb("..r..","..g..","..b..") legend:" ..
			string.gsub(string.gsub((args["legend" .. season] or season_title .. " " .. season), ' ', '_'), "''(.-)''", '%1') .. "\n"
		season = season + 1
	end

	-- Determine maximum viewer figure
	local maxviewers = -1
	local multiple = 'у мільйонах'
	for k,v in pairs(args) do
		local num = tonumber(v)
		if tonumber(k) ~= nil and num ~= nil and num > maxviewers then
			maxviewers = num
		end
	end
	if maxviewers <= 1.5 then
		multiple = 'тисячі'
		maxviewers = maxviewers*1000
		for k, v in pairs(args) do
			local num = tonumber(v)
			if tonumber(k) ~= nil and num ~= nil then args[k] = tostring(num*1000) end
		end
	end

	-- Further parameters, with rounded-up viewer figures as maximum period
	timeline = timeline .. "DateFormat = x.y\n"
	timeline = timeline .. "Period     = from:0 till:" .. math.ceil(maxviewers) .. "\n"
	timeline = timeline .. "TimeAxis   = orientation:vertical\n"
	timeline = timeline .. "ScaleMajor = gridcolor:a increment:" .. 10^math.ceil(math.log10(maxviewers)-math.log10(15)) .. " start:0\n"
	timeline = timeline .. "Legend     = orientation:horizontal\n"
	
	-- Interval parameter set to prevent overlapping bars
	local bar = 1
	if args.intervals then
		timeline = timeline .. "BarData    =\n"
		for k,v in pairs(args) do
			if string.lower(v) == 'n/a' or mw.ustring.lower(v) == 'н/д' then v = '' end
			if tonumber(k) ~= nil and (tonumber(v) ~= nil or v == '') and (average == 0 or (average == 1 and args[k+1] ~= '-' and args[k+1] ~= nil)) then
				timeline = timeline .. "  bar:"..bar.."  text:"..((bar == 1 or bar % args.intervals == 0) and bar or '&nbsp;').."\n"
				bar = bar + 1
			end
		end
	end

	-- Plot data
	timeline = timeline .. "PlotData   =\n"
	timeline = timeline .. "  width:" .. (args.bar_width or barwidth) .. "\n"
	timeline = timeline .. "  mark:(line,black)\n"
	
	-- Add bars to timeline, one per viewer figure
	local bar = 1
	local season = 0
	local thisseason = 0
	
	for k,v in pairs(args) do
		if string.lower(v) == 'n/a' or mw.ustring.lower(v) == 'н/д' then v = '' end
		if tonumber(k) ~= nil then
			if v == '-' then
				-- Hyphen means new season, so change season colour
				season = season + 1
				
				-- Determine highest number of episodes in a season
				if thisseason > longestseason then
					longestseason = thisseason
				end
				thisseason = 0
			elseif average == 0 or (average == 1 and args[k+1] ~= '-' and args[k+1] ~= nil) then
				-- Include black bar to act as border
				timeline = timeline .. "  color:black\n"
				timeline = timeline .. "  bar:" .. bar .. " width:" .. ((args.bar_width or barwidth)+2) .. " from:start till:" .. (v ~= '' and v or 'start') .. "\n"
				
				-- Include bar for viewer figure, do not include if averages are included and the next parameter is a new season marker
				timeline = timeline .. "  color:season" .. season .. "\n"
				timeline = timeline .. "  bar:" .. bar .. " from:start till:" .. (v ~= '' and v or 'start') .. "\n"
				
				-- Increment tracking variables
				thisseason = thisseason + 1
				bar = bar + 1
			end
		end
	end
	-- Determine highest number of episodes in a season after final season's bars
	if thisseason > longestseason then
		longestseason = thisseason
	end
	
	-- Axis labels
	local countryDisplayUS, countryDisplayUK, countryDisplayOther
	if args.country ~= nil and args.country ~= '' then
		if args.country == "U.S." or args.country == "США" then countryDisplayUS = 'США'
		elseif args.country == "U.K." or args.country == "Велика Британія" then countryDisplayUK = 'Велика Британія'
		else countryDisplayOther = args.country
		end
	end
	timeline = timeline .. "TextData =\n"
	timeline = timeline .. "  pos:(" .. ((args.width or 1000)/2-18) .. ",45) textcolor:black fontsize:S text:Серія\n"
	timeline = timeline .. "  pos:(10," .. ((args.height or 300)-10) .. ") textcolor:black fontsize:S text:" .. "Глядачів" .. ((countryDisplayUS or countryDisplayUK or countryDisplayOther) and " у " or "") .. ((countryDisplayUS or countryDisplayUK or countryDisplayOther) or "") .. " (" .. multiple .. ")\n"
	
	-- If there's a title, add it with the viewers caption, else just display the viewers caption by itself
if args.title ~= nil and args.title ~= '' then
			root:wikitext("'''" .. TVRG.formatTitle(args.title) .. ": Глядачів " .. (((countryDisplayUS or countryDisplayUK or countryDisplayOther) and ("у " .. (countryDisplayUS or countryDisplayUK or countryDisplayOther) .. " ")) or "") .. "(" .. multiple .. ")'''"):css('margin-top', '1em')
		else
			root:wikitext("'''Глядачів за серію (" .. multiple .. ")'''"):css('margin-top', '1em')
		end

	-- Add timeline to div
	if args.nograph == nil then
		root:node(frame:extensionTag('timeline', timeline))
	end
	
	-- Create ratings table
	if args.tabla_no == nil then
		local rtable = mw.html.create('table')
		   	:addClass('wikitable')
			:css('text-align', 'center')
		
			-- Create headers rows
			local row = rtable:tag('tr')
			row:tag('th'):wikitext(season_title)
				:attr('colspan','2')
				:attr('rowspan','2')
				:css('padding-left', '.8em')
				:css('padding-right', '.8em')
				
			row:tag('th')
				:attr('colspan',longestseason)
				:wikitext("Номер серії")
				:css('padding-left', '.8em')
				:css('padding-right', '.8em')
				
			-- Average column
			if average == 1 then
				row:tag('th')
				   :attr('scope','col')
				   :attr('rowspan','2')
				   :wikitext("Середнє значення")
				   :css('padding-left', '.8em')
				   :css('padding-right', '.8em')
			end

			local row = rtable:tag('tr')
			
			for i = 1,longestseason do
				row:tag('th')
				   :attr('scope','col')
				   :wikitext(i)
			end
		
		local season = 1
		local thisseason = 0
		
		-- Create table rows and cells
		for k,v in pairs(args) do
			if tonumber(k) ~= nil then
				-- New season marker, or final episode rating
				if v == '-'  or (average == 1 and args[k+1] == nil) then
					if season > 1 then
						-- Spanning empty cells with {{N/A}}
						if thisseason < longestseason then
							row:node(TVRG.NACell(frame,"Н/Д"):attr('colspan',longestseason-thisseason))
						end
						
						if average == 1 then
							-- If averages included, then set the averages cell with value or TBD
							if v ~= '' then
								local lang = mw.getContentLanguage();
								local converted;
								local onezero = '';
								local twozeros = '';
								converted = lang.formatNum(lang,tonumber(args[k+1] ~= nil and args[k-1] or v))
								if string.match(args[k+1] ~= nil and args[k-1] or v,'%.00$')      then twozeros = ',00'
								elseif string.match(args[k+1] ~= nil and args[k-1] or v,'%.0$')   then onezero  = ',0'
								elseif string.match(args[k+1] ~= nil and args[k-1] or v,'%.%d0$') then onezero  =   '0' end
								row:tag('td'):wikitext(converted .. twozeros .. onezero)
							else
								row:node(TVRG.NACell(frame,"<span title='англ. To Be Determined — „буде визначено”'>TBD</span>"))
							end
							thisseason = thisseason + 1
						end
					end
					
					-- New season marker
					if v == '-' then
						-- New row with default or preset caption
						row = rtable:tag('tr')
						row:tag('th')
							:css('background-color', args['color' .. season])
							:css('width','10px')
						
						row:tag('th')
						   :attr('scope','row')
						   :wikitext(args["legend" .. season] and args["legend" .. season] or season)
						
						thisseason = 0
						season = season + 1
					end
				elseif average == 0 or (average == 1 and args[k+1] ~= '-' and args[k+1] ~= nil) then
					-- Viewer figures, either as a number or TBD
					if string.lower(v) == 'n/a' or mw.ustring.lower(v) == 'н/д' then
						row:node(TVRG.NACell(frame,"Н/Д"))
					elseif v ~= '' then
						local lang = mw.getContentLanguage();
						local converted;
						local onezero = '';
						local twozeros = '';
						converted = lang.formatNum(lang,tonumber(v))
						if string.match(v,'%.00$')      then twozeros = ',00'
						elseif string.match(v,'%.0$')   then onezero  = ',0'
						elseif string.match(v,'%.%d0$') then onezero  =   '0' end
						row:tag('td'):wikitext(converted .. twozeros .. onezero)
					else
						row:node(TVRG.NACell(frame,"<span title='енгл. To Be Determined — „буде визначено”'>TBD</span>"))
					end
					thisseason = thisseason + 1
				end
			end
		end
		
		-- Finish by checking if final row needs {{N/A}} cells
		if average == 0 and thisseason < longestseason then
			row:node(TVRG.NACell(frame,"Н/Д"):attr('colspan',longestseason-thisseason))
		end
		
		-- Add table to div root and return
		root:node(rtable)
	end
	
	local span = mw.html.create( 'span' )
		    :wikitext(frame:expandTemplate{ title='dummy reference', args={ 'посилання?', txtcol = 'red', txtital = 'y' } })
	     
	if countryDisplayUS then
		root:wikitext("<small>Джерело: [[Рейтинг Нільсена|Nielsen Media Research]]</small>" .. (args.refs or tostring(span)))
	else
		root:wikitext("<small>Джерело: </small>" .. (args.refs or tostring(span)))
	end
	
	return tostring(root)
end

--------------------------------------------------------------------------------
-- Exports
--------------------------------------------------------------------------------

local p = {}

function p.main(frame)
	local args = require('Модуль:Arguments').getArgs(frame, {
		removeBlanks = false,
		wrappers = 'Шаблон:Television ratings graph'
	})
	return TVRG.new(frame,args)
end

return p