Module:Infobox mapframe

local mf = require('Module:Mapframe')

function setCleanArgs(argsTable) local cleanArgs = {} for key, val in pairs(argsTable) do		if type(val) == 'string' then val = val:match('^%s*(.-)%s*$') if val ~= '' then cleanArgs[key] = val end else cleanArgs[key] = val end end return cleanArgs end

function hasWikidataProperty(item_id, property_id) if not(item_id) or not(mw.wikibase.isValidEntityId(item_id)) or not(mw.wikibase.entityExists(item_id)) then return false end local statements = mw.wikibase.getBestStatements(item_id, property_id) if not statements or #statements == 0 then return false end local hasNoValue = ( statements[1].mainsnak and statements[1].mainsnak.snaktype == 'novalue' ) if hasNoValue then return false end return true end

function getZoom(length_km) -- max for zoom 2 is 6400km, for zoom 3 is 3200km, for zoom 4 is 1600km, etc local zoom = math.floor(8 - (math.log10(length_km) - 2)/(math.log10(2))) -- limit to values between 1 and 17 return math.max(1, math.min(17, zoom)) end

local p = {}

p.main = function(frame) local parent = frame.getParent(frame) local parentArgs = parent.args local mapframe = p._main(parentArgs) return frame:preprocess(mapframe) end

p._main = function(_config) local config = setCleanArgs(_config) local wikidataId = config.id or mw.wikibase.getEntityIdForCurrentPage if not wikidataId then return '' end

-- Require wikidata item with coords, so something will be centred somewhere local hasCoordinates = hasWikidataProperty(wikidataId, 'P625') -- P625 = coordinate location if not hasCoordinates then return '' end

-- arguments for mapframe module local args = {}

-- Some defaults/overrides for infobox presentation args.display = "inline" args.frame = "yes" args.plain = "yes" args["frame-width"] = config["frame-width"] or "270" args["frame-height"] = config["frame-height"] or "200" args["frame-align"] = "center" -- Calculate zoom from length or area (converted to km or km2) if config.length_km then args.zoom = getZoom(tonumber(config.length_km)) elseif config.length_mi then args.zoom = getZoom(tonumber(config.length_mi)*1.609344) elseif config.area_km2 then args.zoom = getZoom(math.sqrt(tonumber(config.area_km2))) elseif config.area_mi2 then args.zoom = getZoom(math.sqrt(tonumber(config.area_mi2))*1.609344) else args.zoom = config.zoom or 10 end

-- Shape args.type = "shape" if config.id then args.id = config.id end args["stroke-width"] = config["shape-stroke-width"] or config["stroke-width"] or "3" args["stroke-color"] = config["shape-stroke-color"] or config["shape-stroke-colour"] or config["stroke-color"] or config["stroke-colour"] or "#FF0000"

-- Line args.type2 = "line" if config.id then args.id2 = config.id end args["stroke-width2"] = config["line-stroke-width"] or config["stroke-width"] or "5" args["stroke-color2"] = config["line-stroke-color"] or config["line-stroke-colour"] or config["stroke-color"] or config["stroke-colour"] or "#FF0000"

-- Point local hasOsmRelationId = hasWikidataProperty(wikidataId, 'P402') -- P402 is OSM relation ID	if not hasOsmRelationId then args.type3 = "point" if config.id then args.id3 = config.id end if config.marker then args.marker3 = config.marker end args["marker-color"] = config["marker-color"] or config["marker-colour"] or "#5E74F3" end local mapframe = mf._main(args) local tracking = hasOsmRelationId and  or  return mapframe .. tracking end

return p