Module:Infobox mapframe

local mf = require('Module:Mapframe')

-- Trim whitespace from args, and remove empty args function trimArgs(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) -- `config` is the args passed to this module local config = trimArgs(_config) -- Use wikidata by default local useWikidata = true -- Do not use wikidata when coords are specified, unless explicitly set if config.coord then useWikidata = config.wikidata and true or false end -- Require wikidata item, or specified coords local wikidataId = config.id or mw.wikibase.getEntityIdForCurrentPage if not(wikidataId) and not(config.coord) then return '' end

-- Require coords (specified or from wikidata), so that map will be centred somewhere -- (P625 = coordinate location) local hasCoordinates = hasWikidataProperty(wikidataId, 'P625') or config.coordinates or config.coord if not hasCoordinates then return '' end

-- `args` is the arguments which will be passed to the 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"

args["frame-coord"] = config["frame-coordinates"] or config["frame-coord"] or "" -- Note: config["coordinates"] or config["coord"] should not be used for the alignment of the frame; -- see talk page ( https://en.wikipedia.org/wiki/Special:Diff/876492931 )

-- deprecated lat and long parameters args["frame-lat"]   = config["frame-lat"] or config["frame-latitude"] or "" args["frame-long"]  = config["frame-long"] or config["frame-longitude"] or ""

-- 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 if useWikidata then 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" end -- Line if useWikidata then 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" end

-- Point local hasOsmRelationId = hasWikidataProperty(wikidataId, 'P402') -- P402 is OSM relation ID	local shouldShowPointMarker = not(hasOsmRelationId) or (config.marker and config.marker ~= 'none') or (config.coordinates or config.coord) if shouldShowPointMarker then local argNumber = useWikidata and "3" or "" args["type"..argNumber] = "point" if config.id then args["id"..argNumber] = config.id end if config.coord then args["coord"..argNumber] = config.coord end if config.marker then args["marker"..argNumber] = config.marker end args["marker-color"..argNumber] = 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