Module:Parliament diagram
Documentation for this module may be created at Module:Parliament diagram/doc
require('strict')
local p = {}
local getArgs = require('Module:Arguments').getArgs
local errorCategory = '[[Category:Compilation error of the Parliamentary diagram template]]'
local getColor = require('Module:Political party').fetch
local dimx = 175
local dimr = 50
local dimc = 40
local limite = 2000
local bgcolor = "#fff"
-- Error handler using xpcall, format the error
local function errhandler(msg)
local cat = mw.title.getCurrentTitle().namespace == 0 and errorCategory or ''
return string.format('<span class="error">%s</span>%s', msg, cat)
end
-- create a single array from string
local function agg(a,...)
local args = {...}
for _, s in ipairs(args) do
table.insert(a, s)
end
end
-- get the party color from Module:Party color
-- a = party; b = optional color
local function color(a,b)
local c = '#CCC'
if (b) then
c = b
else
c = getColor({a, "color"})
end
if string.sub(c,1,5) == '#' then c = "#" .. string.sub(c, 6, 11) end
return c
end
-- create circles
local function values(n)
local totals= {4, 17, 36, 65, 100, 144, 196, 255, 322, 398, 480, 571, 670, 776, 891, 1013, 1143, 1281, 1427, 1580, 1743, 1911, 2089}
local dots = 0
local benches = 1
local jj,rr,aa
-- searches for the amount of benches needed to show all the dots
while (n > totals[benches]) do
benches = benches + 1
end
local dd = dimr/benches -- distance between the arches
dimc = 0.7*dimr/benches -- size of the circles
local list = {} -- list of dots
-- calculate angle and radius of each dot
for rg=0,benches-2 do
rr = dimx - dd*(2*rg+1) -- radius
jj = math.floor((n/totals[benches])*math.pi/(2*math.asin(dd/rr)))+1 --n° dots
if (jj==1) then
dots = dots + 1
list[dots] = {0.5, rr}
else
for ps=0,jj-1 do
aa = ps/(jj-1)
dots = dots + 1
list[dots] = {aa,rr}
end
end
end
-- dots left to place on an internal arch
jj=n-dots
rr= dimx - dd*(2*benches-1) -- radius
if (jj==1) then
dots = dots + 1
list[dots] = {1/2, rr}
else
for ps=0,jj-1 do
aa=ps/(jj-1)
dots = dots + 1
list[dots] = {aa,rr}
end
end
-- order dots per increasing angle from the center
table.sort(list, function(a,b) return ((a[1]<b[1]) or (a[1]==b[1] and a[2]<b[2])) end)
return list
end
-- create the parliamentary arch
function p._parliament(args)
local ss = {}
local ss2 = {}
local data = {}
local num = 1
local totalDots = 0
local cap = args.caption or ''
local show = tonumber(args.show) or 0
while (args['n'..num]) do
if (tonumber(args['n'..num])) then
data[num] = {
n = args['n'..num] and tonumber(args['n'..num]),
c = color(args['p'..num] or '', args['c'..num]),
b = args['b'..num] or '-',
p = args['p'..num] or 'Serie '..num
}
totalDots = totalDots + data[num].n
num = num+1
else
error(string.format('Invalid value for n%d', num),2)
end
end
num = num - 1
if (totalDots>limite) then
error('Number of dots superior to the limit')
elseif (totalDots<1) then
error('No dots are indicated')
end
local dots = values(totalDots)
local width = 2*dimx
local height = dimx+dimc
local scale = 1.0
if (args['background']) then
bgcolor = args['background']
end
if (args['width'] and tonumber(args['width'])) then
width = tonumber(args['width'])
scale = width/(2*dimx)
height = (dimx+dimc)*scale
elseif (args['height'] and tonumber(args['height'])) then
height = tonumber(args['height'])
scale = height/(dimx+dimc)
width = 2*dimx*scale
elseif (totalDots<29) then
width = 280
scale = width/(2*dimx)
height = (dimx+dimc)*scale
elseif (totalDots<101) then
width = 300
scale = width/(2*dimx)
height = (dimx+dimc)*scale
elseif (totalDots<281) then
width = 350
scale = width/(2*dimx)
height = (dimx+dimc)*scale
end
-- TEMPORARY FIX WHILE THE GRAPH EXTENSION IS DISABLED --
local seats_diagram = require('Module:Seats_diagram')
args.width = width
if true then return tostring(seats_diagram._parliament(args)) end
---------------------------------------------------------
local graph = {
version = 2, width = width, height = height, padding = "no",
background = bgcolor,
data = { },
scales = {
{ name = "x", type = "linear", range = "width", zero = true, domainMin = 0, domainMax = 2*dimx },
{ name = "y", type = "linear", range = "height", zero = true, domainMin = 0, domainMax = dimx + dimc }
},
marks = { }
}
local ee = 0
local values
for i=1,num do
values = {}
for j=1,data[i].n do
ee = ee + 1
values[j] = {
px = dimx-dots[ee][2]*math.cos(math.pi*dots[ee][1]),
py = dimc+dots[ee][2]*math.sin(math.pi*dots[ee][1]),
}
end
graph['data'][i] = { name = "tab"..i, values = values }
graph['marks'][i] = { type = "symbol", from = {data = "tab"..i },
properties = {
enter = {
x = {scale = "x",field = "px"},
y = {scale = "y",field = "py"},
fill = {value = data[i].c},
size = {value = (2*dimc*scale)^2}
}
}
}
if (data[i].b ~= "-") then
local bl = data[i].b
if string.sub(bl,1,5) == '#' then bl = "#" .. string.sub(bl, 6, 11) end
graph['marks'][i]['properties']['enter']['stroke'] = {value = bl}
graph['marks'][i]['properties']['enter']['strokeWidth'] = {value = 1}
end
end
graph['marks'][num+1] = {
type = "text",
properties = {
enter = {
x = {scale = "x",value=dimx},
y = {scale = "y",value=dimc+8},
align = {value = "center"},
fill = {value = "#000"},
font = {value = "Helvetica"},
fontSize = { value = 36*scale },
fontWeight = { value = "bold" },
text = {value = totalDots }
}
}
}
agg(ss, mw.getCurrentFrame():extensionTag('graph', mw.text.jsonEncode(graph)))
if (cap ~= '') then
agg(ss,string.format('<p style="font-size:90%%; margin-left:10px">%s</p>',cap))
end
if show == 1 then
for i=1,num do
agg(ss2,string.format('<span style="display:inline-block;border:solid grey 1px;background:%s;width:1em;height:1em"> </span> %s', data[i].c, data[i].n))
end
agg(ss,'<p style="font-size:90%; margin-left:10px">')
agg(ss,table.concat(ss2," · "))
agg(ss,'</p>')
elseif show ==2 then
for i=1,num do
agg(ss2,string.format('<span style="display:inline-block;border:solid grey 1px;background:%s;width:1em;height:1em"> </span> %s %s', data[i].c, data[i].p, data[i].n))
end
agg(ss,'<p style="font-size:90%; margin-left:10px">')
agg(ss,table.concat(ss2,"<br/>"))
agg(ss,'</p>')
end
if args['debug'] then
return mw.text.jsonEncode(graph)
else
return table.concat(ss)
end
end
function p.parliament(frame)
return select(2, xpcall(function()
return p._parliament(getArgs(frame, { parentOnly = true }))
end, errhandler))
end
return p