imported>PerfektesChaos: 2020-08-17

2020-08-16T22:58:44Z

2020-08-17

Neue Seite

local ClrTbl = { suite = "ClrTbl",
serial = "2020-08-17",
item = 98412751 }
--[=[
generate colour tables / Vorlage:Farbtabelle
]=]
local Failsafe = ClrTbl

local function faith( aR, aG, aB )
-- Check websafe code
-- Precondition:
-- aR -- number, with code red
-- aG -- number, with code green
-- aB -- number, with code blue
-- Postcondition:
-- Returns true if websafe
return ( aR % 3 + aG % 3 + aB % 3 == 0 )
end -- faith()

local function first()
-- Initalize
if not ClrTbl.hex then
local s
ClrTbl.hex = { [false] = { },
[true] = { }
}
for i = 0, 15 do
s = string.format( "%X", i )
table.insert( ClrTbl.hex[false], i, s )
table.insert( ClrTbl.hex[true], i, s .. s )
end -- for i
end
end -- first()

ClrTbl.f = function ( abbr )
-- Generate page content
-- Precondition:
-- abbr -- number or boolean, with true or 3 for abbreviated
-- Postcondition:
-- Returns true if websafe
local long = ( abbr ~= true and abbr ~= 3 )
local r = ""
local iR, iG, iB, hR, hG, hB, hRhG, h, s, table, td, tr
first()
for iR = 0, 15 do
hR = ClrTbl.hex[ long ][ iR ]
if long then
h = "xxxx"
else
h = "xx"
end
r = string.format( "%s\n=== %s%s ===\n", r, hR, h )
table = mw.html.create( "table" )
:css( { ["text-align"] = "center",
["width"] = "100%" } )
for iG = 0, 15 do
hG = ClrTbl.hex[ long ][ iG ]
hRhG = hR .. hG
tr = mw.html.create( "tr" )
for iB = 0, 15 do
hB = ClrTbl.hex[ long ][ iB ]
h = hRhG .. hB
hB = "#" .. h
if iR + iG + iB < 24 then
s = "#FFF"
else
s = "#000"
end
td = mw.html.create( "td" )
:attr( { title = hB } )
:css( { ["background"] = hB,
["color"] = s } )
:wikitext( h )
if faith( iR, iG, iB ) then
td:css( { ["font-weight"] = "bold" } )
end
tr:newline()
:node( td )
end -- for iB
table:newline()
:node( tr )
end -- for iG
r = r .. tostring( table )
end -- for iR
return r
end -- ClrTbl.f()

Failsafe.failsafe = function ( atleast )
-- Retrieve versioning and check for compliance
-- Precondition:
-- atleast -- string, with required version
-- or "wikidata" or "~" or "@" or false
-- Postcondition:
-- Returns string -- with queried version/item, also if problem
-- false -- if appropriate
-- 2020-08-17
local since = atleast
local last = ( since == "~" )
local linked = ( since == "@" )
local link = ( since == "item" )
local r
if last or link or linked or since == "wikidata" then
local item = Failsafe.item
since = false
if type( item ) == "number" and item > 0 then
local suited = string.format( "Q%d", item )
if link then
r = suited
else
local entity = mw.wikibase.getEntity( suited )
if type( entity ) == "table" then
local seek = Failsafe.serialProperty or "P348"
local vsn = entity:formatPropertyValues( seek )
if type( vsn ) == "table" and
type( vsn.value ) == "string" and
vsn.value ~= "" then
if last and vsn.value == Failsafe.serial then
r = false
elseif linked then
if mw.title.getCurrentTitle().prefixedText
== mw.wikibase.getSitelink( suited ) then
r = false
else
r = suited
end
else
r = vsn.value
end
end
end
end
end
end
if type( r ) == "nil" then
if not since or since <= Failsafe.serial then
r = Failsafe.serial
else
r = false
end
end
return r
end -- Failsafe.failsafe()

-- Export
local p = {}

function p.f( frame )
local k = frame.args.bytes
local lucky, r
if k then
k = tonumber( k )
end
lucky, r = pcall( ClrTbl.f, k )
return r or lucky
end

p.failsafe = function ( frame )
-- Versioning interface
local s = type( frame )
local since
if s == "table" then
since = frame.args[ 1 ]
elseif s == "string" then
since = frame
end
if since then
since = mw.text.trim( since )
if since == "" then
since = false
end
end
return Failsafe.failsafe( since ) or ""
end -- p.failsafe

p.ClrTbl = function ()
-- Module interface
return ClrTbl
end

return p

Modul:Vorlage:Farbtabelle - Versionsgeschichte

imported>PerfektesChaos: 2020-08-17