Module:ComplForColorModules

This module is used by Module:BrewerColors and Module:ChartColors.

To translate or review the translation of the module to your language, edit carefully Data:I18n/ComplForColorModules.tab.

---

local p = {}

local SA = require "Module:SimpleArgs"
local MC = require "Module:Multicol"
local TNTT = require "Module:TNTTools"

local I18n = 'ComplForColorModules'

--local MoreOneNoData = "Found 2 legends of \"Value not assigned\" or \"Data not available\""
--local FoundNLegendsExpectedN = "Found $1 legends, expected $2"
--local Color = "Color"
--local Legend = "legend"

local function I18nStr (S, ...)
	return TNTT.GetMsgP (I18n, S, {...})
end

function p.ColorNameInvFromS0 (S)
	local IsInv = false
	local ColorName = ''
	local Params = {}
	if S ~= '' then
		for w in S:gmatch("([^_]+)") do 
	    	table.insert(Params, w)
		end
		ColorName = Params[1]
	end	
	local PN = table.getn(Params)
	if (PN == 2) and (Params[2]=='i') then
		IsInv = true
	end	
	return ColorName, IsInv, Params
end

function p.ColorNameInv (args)
	local S = SA.RStr_Par (args, 1)
	local ColorName, IsInv, Params = p.ColorNameInvFromS0 (S)
	return ColorName, IsInv			    	
end	

function p.GetLabels(Args, NArgs, N, Pos)
    local Labels, NLabels = SA.StrTab_NPar (Args, NArgs, Pos)
    local OutlineColor = Args['outline'] or ''
    if (NLabels ~= 0) and (NLabels ~= N) then
    	function NoDataFound (i)
    		if string.sub(Labels[i],1,2) == '--' then
    			return 1
    		else
    			return 0
    		end	
    	end	
    	local NoDataFoundCount = NoDataFound (1)
    	NoDataFoundCount = NoDataFoundCount + NoDataFound (NLabels)
    	if NoDataFoundCount == 2 then
	    	error (I18nStr ('MoreOneNoData'))
    	else
    		N = N + NoDataFoundCount
    	end	
		if (NLabels ~= 0) and (NLabels ~= N) then
	    	error (I18nStr ('FoundNLegendsExpectedN', tostring(NLabels), tostring(N)))
	    else
	    	return Labels, NLabels, OutlineColor
	    end	
    else
    	return Labels, NLabels, OutlineColor
    end	
end

function SColor (Color)
	if string.sub(Color,1,1) == '#' then --the usual
		return string.sub(Color,2,100)
	else
		return Color
	end	
end	

function p.Box(Color,WriteColor)
	if WriteColor == '-' then 
		WriteColor = Color
	elseif WriteColor == 'a' then 	
		WriteColor = Color..'ff' --Alpha channel
	end	
	local TheBox = '<span style="background-color:'..Color..'; border:1px solid gray;" title="'..TNTT.GetStrP(I18n,'Color')..': '..SColor(Color)..'">&nbsp;&nbsp;&nbsp;</span>'	
	if WriteColor ~='' then 
		TheBox = TheBox..'&nbsp;'..WriteColor..' &nbsp;'
	end	
	return TheBox
end	

function p.TextWithTooltip (Text, Tooltip)
	if Tooltip ~= '' then
		return '<span title="'..Tooltip..'">'..Text..'</span>'
	else
		return Text
	end	
end	

function p.LegendColor(Color, Text, Tooltip)
	if Text == '' then
		Text = SColor(Color)
	end	
	return '<li style="list-style-type: none; list-style-image: none;"><span style="border:1px solid gray; background:'..Color..'; margin-right:0.3em; vertical-align: middle; webkit-print-color-adjust:exact; color-adjust:exact; display:inline-block; width:1.05em; height:1em;"></span>'..p.TextWithTooltip(Text,Tooltip)..'</li>'
end	

function LegendCode(Color, Text, OutlineColor)
	local SOutlineColor = ''
	if OutlineColor ~= '' then
		SOutlineColor = '|outline='..OutlineColor
	end	
	return '{{'..TNTT.GetStrP(I18n,'Legend')..'|'..Color..'|'..Text..SOutlineColor..'}}'
end	

function p.LegendText (AColors, Labels, NLabels, NCols, IsTemplate, OutlineColor)
	function NoDataFound (i)
		if string.sub(Labels[i],1,2) == '--' then
			return true
		else
			return false
		end	
	end	
	local Show, Codes = {}, {}
	local Text = ''
	local WithLabels = NLabels > 0
	if WithLabels then
		function DelBegin (i)
			Labels[i] = string.sub(Labels[i], 3, 1000)
		end	
		local Gray = '#b3b3b3' -- A 40% gray
		if NoDataFound(1) then
			table.insert(AColors, 1, Gray) 
			DelBegin(1)
		elseif NoDataFound(NLabels) then
			table.insert(AColors, Gray) 
			DelBegin(NLabels)
		end
	end
	for i=1, table.getn(AColors) do
		if WithLabels then Text = Labels[i] end
		table.insert(Show, p.LegendColor(AColors[i],Text,''))
	end	
	local SShow = MC.MultiCol (NCols, Show, table.getn(AColors), 1, IsTemplate)
	for i=1, table.getn(AColors) do
		if WithLabels then Text = Labels[i] end
		table.insert(Codes, ' '..LegendCode(AColors[i],Text,OutlineColor))
	end	
	local SCodes = MC.MultiCol (NCols, Codes, table.getn(AColors), 2, IsTemplate)
	return SShow..'\n'..SCodes
end	

return p