Module:Infobox mapframe

local mf = require('Module:Mapframe')

-- Defaults local DEFAULT_FRAME_WIDTH = "270" local DEFAULT_FRAME_HEIGHT = "200" local DEFAULT_ZOOM = 10 local DEFAULT_GEOMASK_STROKE_WIDTH = "1" local DEFAULT_GEOMASK_STROKE_COLOR = "#777777" local DEFAULT_GEOMASK_FILL = "#888888" local DEFAULT_SHAPE_STROKE_WIDTH = "3" local DEFAULT_SHAPE_STROKE_COLOR = "#FF0000" local DEFAULT_SHAPE_FILL = "#606060" local DEFAULT_LINE_STROKE_WIDTH = "5" local DEFAULT_LINE_STROKE_COLOR = "#FF0000" local DEFAULT_MARKER_COLOR = "#5E74F3"

-- 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 getBestStatement(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 statements[1] end

function hasWikidataProperty(item_id, property_id) return getBestStatement(item_id, property_id) and true or false end

function getStatementValue(statement) return statement and statement.mainsnak and statement.mainsnak.datavalue and statement.mainsnak.datavalue.value or nil end

function relatedEntity(item_id, property_id) local value = getStatementValue( getBestStatement(item_id, property_id) ) return value and value.id or false end

function idType(id) if not id then return nil elseif mw.ustring.match(id, "[Pp]%d+") then return "property" elseif mw.ustring.match(id, "[Qq]%d+") then return "item" else return nil end end

function getZoom(value, unit) local length_km if unit == 'km' then length_km = tonumber(value) elseif unit == 'mi' then length_km = tonumber(value)*1.609344 elseif unit == 'km2' then length_km = math.sqrt(tonumber(value)) elseif unit == 'mi2' then length_km = math.sqrt(tonumber(value))*1.609344 end -- 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 below 17 zoom = math.min(17, zoom) -- take off 1 when calculated from area, to account for unusual shapes if unit == 'km2' or unit == 'mi2' then zoom = zoom - 1 end -- minimum value is 1 return math.max(1, 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 DEFAULT_FRAME_WIDTH args["frame-height"] = config["frame-height"] or DEFAULT_FRAME_HEIGHT 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(config.length_km, 'km') elseif config.length_mi then args.zoom = getZoom(config.length_mi, 'mi') elseif config.area_km2 then args.zoom = getZoom(config.area_km2, 'km2') elseif config.area_mi2 then args.zoom = getZoom(config.area_mi2, 'mi2') else args.zoom = config.zoom or DEFAULT_ZOOM end -- Conditionals: whether point, geomask should be shown 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) local maskItem local maskType = idType(config.geomask) if maskType == 'item' then maskItem = config.geomask elseif maskType == "property" then maskItem = relatedEntity(wikidataId, config.geomask) end -- Keep track of arg numbering local argNumber = '' local function incrementArgNumber if argNumber == '' then argNumber = 2 else argNumber = argNumber + 1 end end -- Geomask if maskItem then args["type"..argNumber] = "shape-inverse" args["id"..argNumber] = maskItem args["stroke-width"..argNumber] = config["geomask-stroke-width"] or DEFAULT_GEOMASK_STROKE_WIDTH args["stroke-color"..argNumber] = config["geomask-stroke-color"] or config["geomask-stroke-colour"] or DEFAULT_GEOMASK_STROKE_COLOR args["fill"..argNumber] = config["geomask-fill"] or DEFAULT_GEOMASK_FILL -- Recalculate zoom based on mask area, if available, and not set in config if not config.zoom then local maskArea = getStatementValue( getBestStatement(maskItem, 'P2046') ) if maskArea and maskArea.amount then if maskArea.unit == 'http://www.wikidata.org/entity/Q712226' then -- square kilometre args.zoom = getZoom(maskArea.amount, 'km2') elseif maskArea.unit == 'http://www.wikidata.org/entity/Q232291' then -- square mile args.zoom = getZoom(maskArea.amount, 'mi2') end end end incrementArgNumber end -- Shape if useWikidata then args["type"..argNumber] = "shape" if config.id then args["id"..argNumber] = config.id end args["stroke-width"..argNumber] = config["shape-stroke-width"] or config["stroke-width"] or DEFAULT_SHAPE_STROKE_WIDTH args["stroke-color"..argNumber] = config["shape-stroke-color"] or config["shape-stroke-colour"] or config["stroke-color"] or config["stroke-colour"] or DEFAULT_SHAPE_STROKE_COLOR args["fill"..argNumber] = config["shape-fill"] or DEFAULT_SHAPE_FILL incrementArgNumber end -- Line if useWikidata then args["type"..argNumber] = "line" if config.id then args["id"..argNumber] = config.id end args["stroke-width"..argNumber] = config["line-stroke-width"] or config["stroke-width"] or DEFAULT_LINE_STROKE_WIDTH args["stroke-color"..argNumber] = config["line-stroke-color"] or config["line-stroke-colour"] or config["stroke-color"] or config["stroke-colour"] or DEFAULT_LINE_STROKE_COLOR incrementArgNumber end

-- Point if shouldShowPointMarker then 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 DEFAULT_MARKER_COLOR incrementArgNumber end

local mapframe = mf._main(args) local tracking = hasOsmRelationId and  or  return mapframe .. tracking end

return p