# Module:ChartColors

local p = {}  
local ARG = require "Module:Arguments"
local CFCM = require "Module:ComplForColorModules"
local TNTT = require "Module:TNTTools"
local SD = require "Module:SimpleDebug"  
local I18n = 'ChartColors'  
local function I18nStr (S, ...)
return TNTT.GetMsgP (I18n, S, {...})
end  
--local RS_ColorNameInvalid = 'El nom del color (%s) no és vàlid (ha de ser Categ20 o Plotter)'
--local RS_ColorNumInvalid = 'El nombre de colors hauria d’estar entre 1 i %d (ara és %d)'
--local RS_StartNumInvalid = 'El número del primer color hauria d’estar entre 1 i %d (ara és %d)'  
local category20 = {
'#1f77b4', '#aec7e8', '#ff7f0e', '#ffbb78', '#2ca02c', '#98df8a', '#d62728', '#ff9896', '#9467bd', '#c5b0d5',
'#8c564b', '#c49c94', '#e377c2', '#f7b6d2', '#7f7f7f', '#c7c7c7', '#bcbd22', '#dbdb8d', '#17becf', '#9edae5',
}
local plotter = {--from Module:Plotter/DefaultColors
'red', 'blue', 'green', 'yellow', 'fuchsia', 'aqua', 'brown', 'orange', 'purple', 'sienna',
'#F0A3FF', '#191919', '#005C31', 'honeydew', '#808080', 'khaki', 'lime', 'navy', 'pink', '#426600',
'#5EF1F2', 'turquoise', '#E0FF66', 'violet', '#FFFF80', '#FF5005',
}  
function p.GetColors (ColorName, IsInv, StartN, N, CallError)
local SelColors = {}
local ColorNameL = string.lower(ColorName)
local Palet0 = {}
if ColorNameL == 'categ20' then
Palet0 = category20
elseif ColorNameL == 'plotter' then
Palet0 = plotter
elseif CallError then
error (I18nStr ('ColorNameInvalid',ColorName))
end
MaxN = table.getn(Palet0)
if (N < 0) or (N > MaxN) then
error (I18nStr ('ColorNumInvalid',tostring(MaxN),tostring(N)))
else
Palet = {}
if IsInv then
for i=MaxN, 1, -1 do
table.insert(Palet, Palet0[i])
end
else
Palet = Palet0
end
if StartN > MaxN then
error (I18nStr ('StartNumInvalid',tostring(MaxN),tostring(StartN)))
end
local Step = 1
local NEnd = N
if (ColorNameL == 'categ20') and (N<=10) then
Step = 2
if StartN == 1 then
NEnd = N*2
end
end
if StartN == 1 then
for i=1, NEnd, Step do
table.insert(SelColors, Palet[i])
end
else
Count = 0
for i=StartN, MaxN, Step do
table.insert(SelColors, Palet[i])
Count = Count + 1
if Count == NEnd then
break
end
end
if Count < NEnd then
for i=1, MaxN, Step do
table.insert(SelColors, Palet[i])
Count = Count + 1
if Count == NEnd then
break
end
end
end
end
return SelColors
end
end --GetColors  
function p.ColorNameInvStartFromS (S)
local StartN = 1
local ParamsA = {}
local ColorName, IsInv
ColorName, IsInv, ParamsA = CFCM.ColorNameInvFromS0 (S)
local PN = table.getn(ParamsA)
if PN > 1 then
if ParamsA[2]=='i' then
IsInv = true
else
StartN = tonumber (ParamsA[2])
end
if PN == 3 then
StartN = tonumber (ParamsA[3])
end
end
return ColorName, IsInv, StartN
end --ColorNameInvStartFromS  
function ColorNameInv (args)
local S = args[1] or ''
local ColorName, IsInv, ParamsA = CFCM.ColorNameInvFromS0 (S)
local StartN = 1
ColorName, IsInv, StartN = p.ColorNameInvStartFromS (S)
return ColorName, IsInv, StartN
end --ColorNameInv  
function p.ShowColors
local args = ARG.getArgs(,{
removeBlanks = false
});
local ColorName, IsInv, StartN = ColorNameInv (args)
local N = tonumber(args[2])
local WriteColor = args[3] or ""
local ColorFound = {}
ColorFound = p.GetColors (ColorName, IsInv, StartN, N, true)
local boxes = {}
for i=1, table.getn(ColorFound) do
table.insert(boxes, CFCM.Box(ColorFound[i],WriteColor))
end
return table.concat(boxes, " ")
end --ShowColors  
function p.Legends
local args = ARG.getArgs(,{
removeBlanks = false
})
local Nargs = require("Module:TableTools").length(args)
local ColorName, IsInv, StartN = ColorNameInv (args)
local N = tonumber(args[2])
local ColWidth = args[3]
local ColorFound = {}
local Labels = {}
local NLabels = 0
local IsTemplate = true
ColorFound = p.GetColors (ColorName, IsInv, StartN, N, true)
Labels, NLabels, OutlineColor = CFCM.GetLabels (args, N, 4)
return CFCM.LegendText (ColorFound, Labels, NLabels, ColWidth, IsTemplate, OutlineColor)
end  
return p