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Revision as of 18:21, 10 August 2020
Documentation for this module may be created at Module:Mapframe/doc
-- Note: Originally written on English Wikipedia at https://en.wikipedia.org/wiki/Module:Mapframe
--[[----------------------------------------------------------------------------
##### Localisation (L10n) settings #####
Replace values in quotes ("") with localised values
----------------------------------------------------------------------------]]--
local L10n = {}
-- Modue dependencies
local transcluder = require("Module:Transcluder") -- local copy of https://www.mediawiki.org/wiki/Module:Transcluder
-- "Module:No globals" should not be used, at least until all other modules which require this module are not using globals.
-- Template parameter names (unnumbered versions only)
-- Specify each as either a single string, or a table of strings (aliases)
-- Aliases are checked left-to-right, i.e. `{ "one", "two" }` is equivalent to using `{{{one| {{{two|}}} }}}` in a template
L10n.para = {
display = "display",
type = "type",
id = { "id", "ids" },
from = "from",
raw = "raw",
title = "title",
description = "description",
strokeColor = { "stroke-color", "stroke-colour" },
strokeWidth = "stroke-width",
strokeOpacity = "stroke-opacity",
fill = "fill",
fillOpacity = "fill-opacity",
coord = "coord",
marker = "marker",
markerColor = { "marker-color", "marker-colour" },
markerSize = "marker-size",
radius = { "radius", "radius_m" },
radiusKm = "radius_km",
radiusFt = "radius_ft",
radiusMi = "radius_mi",
edges = "edges",
text = "text",
icon = "icon",
zoom = "zoom",
frame = "frame",
plain = "plain",
frameWidth = "frame-width",
frameHeight = "frame-height",
frameCoordinates = { "frame-coordinates", "frame-coord" },
frameLatitude = { "frame-lat", "frame-latitude" },
frameLongitude = { "frame-long", "frame-longitude" },
frameAlign = "frame-align",
switch = "switch",
}
-- Names of other templates this module depends on
L10n.template = {
Coord = "coord" -- lowercase template name
}
-- Error messages
L10n.error = {
badDisplayPara = "Invalid display parameter",
noCoords = "Coordinates must be specified on Wikidata or in |" .. ( type(L10n.para.coord)== 'table' and L10n.para.coord[1] or L10n.para.coord ) .. "=",
wikidataCoords = "Coordinates not found on Wikidata",
noCircleCoords = "Circle centre coordinates must be specified, or available via Wikidata",
negativeRadius = "Circle radius must be a positive number",
noRadius = "Circle radius must be specified",
negativeEdges = "Circle edges must be a positive number",
noSwitchPara = "Found only one switch value in |" .. ( type(L10n.para.switch)== 'table' and L10n.para.switch[1] or L10n.para.switch ) .. "=",
oneSwitchLabel = "Found only one label in |" .. ( type(L10n.para.switch)== 'table' and L10n.para.switch[1] or L10n.para.switch ) .. "=",
noSwitchLists = "At least one parameter must have a SWITCH: list",
switchMismatches = "All SWITCH: lists must have the same number of values",
-- "%s" and "%d" tokens will be replaced with strings and numbers when used
oneSwitchValue = "Found only one switch value in |%s=",
fewerSwitchLabels = "Found %d switch values but only %d labels in |" .. ( type(L10n.para.switch)== 'table' and L10n.para.switch[1] or L10n.para.switch ) .. "=",
noNamedCoords = "No named coordinates found in %s"
}
-- Other strings
L10n.str = {
-- valid values for display parameter, e.g. (|display=inline) or (|display=title) or (|display=inline,title) or (|display=title,inline)
inline = "inline",
title = "title",
dsep = ",", -- separator between inline and title (comma in the example above)
-- valid values for type paramter
line = "line", -- geoline feature (e.g. a road)
shape = "shape", -- geoshape feature (e.g. a state or province)
shapeInverse = "shape-inverse", -- geomask feature (the inverse of a geoshape)
data = "data", -- geoJSON data page on Commons
point = "point", -- single point feature (coordinates)
circle = "circle", -- circular area around a point
named = "named", -- all named coordinates in an article or section
-- Keyword to indicate a switch list. Must NOT use the special characters ^$()%.[]*+-?
switch = "SWITCH",
-- valid values for icon, frame, and plain parameters
affirmedWords = ' '..table.concat({
"add",
"added",
"affirm",
"affirmed",
"include",
"included",
"on",
"true",
"yes",
"y"
}, ' ')..' ',
declinedWords = ' '..table.concat({
"decline",
"declined",
"exclude",
"excluded",
"false",
"none",
"not",
"no",
"n",
"off",
"omit",
"omitted",
"remove",
"removed"
}, ' ')..' '
}
-- Default values for parameters
L10n.defaults = {
display = L10n.str.inline,
text = "Map",
frameWidth = "300",
frameHeight = "200",
markerColor = "5E74F3",
markerSize = nil,
strokeColor = "#ff0000",
strokeWidth = 6,
edges = 32 -- number of edges used to approximate a circle
}
-- #### End of L10n settings ####
--[[----------------------------------------------------------------------------
Utility methods
----------------------------------------------------------------------------]]--
local util = {}
--[[
Looks up a parameter value based on the id (a key from the L10n.para table) and
optionally a suffix, for parameters that can be suffixed (e.g. type2 is type
with suffix 2).
@param {table} args key-value pairs of parameter names and their values
@param {string} param_id id for parameter name (key from the L10n.para table)
@param {string} [suffix] suffix for parameter name
@returns {string|nil} parameter value if found, or nil if not found
]]--
function util.getParameterValue(args, param_id, suffix)
suffix = suffix or ''
if type( L10n.para[param_id] ) ~= 'table' then
return args[L10n.para[param_id]..suffix]
end
for _i, paramAlias in ipairs(L10n.para[param_id]) do
if args[paramAlias..suffix] then
return args[paramAlias..suffix]
end
end
return nil
end
--[[
Trim whitespace from args, and remove empty args. Also fix control characters.
@param {table} argsTable
@returns {table} trimmed args table
]]--
function util.trimArgs(argsTable)
local cleanArgs = {}
for key, val in pairs(argsTable) do
if type(val) == 'string' then
val = val:match('^%s*(.-)%s*$')
if val ~= '' then
-- control characters inside json need to be escaped, but stripping them is simpler
-- See also T214984
cleanArgs[key] = val:gsub('%c',' ')
end
else
cleanArgs[key] = val
end
end
return cleanArgs
end
--[[
Check if a value is affirmed (one of the values in L10n.str.affirmedWords)
@param {string} val Value to be checked
@returns {boolean} true if affirmed, false otherwise
]]--
function util.isAffirmed(val)
if not(val) then return false end
return string.find(L10n.str.affirmedWords, ' '..val..' ', 1, true ) and true or false
end
--[[
Check if a value is declined (one of the values in L10n.str.declinedWords)
@param {string} val Value to be checked
@returns {boolean} true if declined, false otherwise
]]--
function util.isDeclined(val)
if not(val) then return false end
return string.find(L10n.str.declinedWords , ' '..val..' ', 1, true ) and true or false
end
--[[
Recursively extract coord templates which have a name parameter.
@param {string} wikitext
@returns {table} table sequence of coord templates
]]--
function util.extractCoordTemplates(wikitext)
local output = {}
local templates = mw.ustring.gmatch(wikitext, '{%b{}}')
local subtemplates = {}
for template in templates do
local name = mw.ustring.match(template, '{{([^}|]+)') -- get the template name
local nameParam = mw.ustring.match(template, "|%s*name%s*=%s*[^}|]+")
if mw.ustring.lower(mw.text.trim(name)) == L10n.template.Coord then
if nameParam then table.insert(output, template) end
elseif mw.ustring.find(template, L10n.template.Coord) then
local subOutput = util.extractCoordTemplates(mw.ustring.sub(template, 2))
for _, t in pairs(subOutput) do
table.insert(output, t)
end
end
end
-- ensure coords are not using title display
for k, v in pairs(output) do
output[k] = mw.ustring.gsub(v, "|%s*display%s*=[^|}]+", "|display=inline")
end
return output
end
--[[
Gets all named coordiates from a page or a section of a page.
@param {string|nil} page Page name, or name#section, to get named coordinates
from. If the name is omitted, i.e. #section or nil or empty string, then
the current page will be used.
@returns {table} sequence of {coord, name, description} tables where coord is
the coordinates in a format suitable for #util.parseCoords, name is a string,
and description is a string (coordinates in a format suitable for displaying
to the reader). If for some reason the name can't be found, the description
is nil and the name contains display-format coordinates.
@throws {L10n.error.noNamedCoords} if no named coordinates are found.
]]--
function util.getNamedCoords(page)
local parts = mw.text.split(page or "", "#", true)
local name = parts[1] == "" and mw.title.getCurrentTitle().prefixedText or parts[1]
local section = parts[2]
local pageWikitext = transcluder.get(section and name.."#"..section or name)
local coordTemplates = util.extractCoordTemplates(pageWikitext)
if #coordTemplates == 0 then error(string.format(L10n.error.noNamedCoords, page or name), 0) end
local frame = mw.getCurrentFrame()
local sep = "________"
local expandedContent = frame:preprocess(table.concat(coordTemplates, sep))
local expandedTemplates = mw.text.split(expandedContent, sep)
local namedCoords = {}
for _, expandedTemplate in pairs(expandedTemplates) do
local coord = mw.ustring.match(expandedTemplate, "<span class=\"geo%-dec\".->(.-)</span>")
if coord then
local name = mw.ustring.match(expandedTemplate, "<span class=\"fn org\">(.-)</span>") or coord
local description = name ~= coord and coord
local coord = mw.ustring.gsub(coord, "[° ]", "_")
table.insert(namedCoords, {coord=coord, name=name, description=description})
end
end
if #namedCoords == 0 then error(string.format(L10n.error.noNamedCoords, page or name), 0) end
return namedCoords
end
--[[
Parse coordinate values from the params passed in a GeoHack url (such as
//tools.wmflabs.org/geohack/geohack.php?pagename=Example¶ms=1_2_N_3_4_W_ or
//tools.wmflabs.org/geohack/geohack.php?pagename=Example¶ms=1.23_S_4.56_E_ )
@param {string} coords
@returns {number, number} latitude, longitude
]]--
function util.parseCoords(coords)
local parts = mw.text.split((mw.ustring.match(coords,'[_%.%d]+[NS][_%.%d]+[EW]') or ''), '_')
local lat_d = tonumber(parts[1])
local lat_m = tonumber(parts[2]) -- nil if coords are in decimal format
local lat_s = lat_m and tonumber(parts[3]) -- nil if coords are either in decimal format or degrees and minutes only
local lat = lat_d + (lat_m or 0)/60 + (lat_s or 0)/3600
if parts[#parts/2] == 'S' then
lat = lat * -1
end
local long_d = tonumber(parts[1+#parts/2])
local long_m = tonumber(parts[2+#parts/2]) -- nil if coords are in decimal format
local long_s = long_m and tonumber(parts[3+#parts/2]) -- nil if coords are either in decimal format or degrees and minutes only
local long = long_d + (long_m or 0)/60 + (long_s or 0)/3600
if parts[#parts] == 'W' then
long = long * -1
end
return lat, long
end
--[[
Get coordinates from a Wikidata item
@param {string} item_id Wikidata item id (Q number)
@returns {number, number} latitude, longitude
@throws {L10n.error.noCoords} if item_id is invalid or the item does not exist
@throws {L10n.error.wikidataCoords} if the the item does not have a P625
statement (coordinates), or it is set to "no value"
]]--
function util.wikidataCoords(item_id)
if not(mw.wikibase.isValidEntityId(item_id)) or not(mw.wikibase.entityExists(item_id)) then
error(L10n.error.noCoords, 0)
end
local coordStatements = mw.wikibase.getBestStatements(item_id, 'P625')
if not coordStatements or #coordStatements == 0 then
error(L10n.error.wikidataCoords, 0)
end
local hasNoValue = ( coordStatements[1].mainsnak and coordStatements[1].mainsnak.snaktype == 'novalue' )
if hasNoValue then
error(L10n.error.wikidataCoords, 0)
end
local wdCoords = coordStatements[1]['mainsnak']['datavalue']['value']
return tonumber(wdCoords['latitude']), tonumber(wdCoords['longitude'])
end
--[[
Creates a polygon that approximates a circle
@param {number} lat Latitude
@param {number} long Longitude
@param {number} radius Radius in metres
@param {number} n Number of edges for the polygon
@returns {table} sequence of {latitude, longitude} table sequences, where
latitude and longitude are both numbers
]]--
function util.circleToPolygon(lat, long, radius, n) -- n is number of edges
-- Based on https://github.com/gabzim/circle-to-polygon, ISC licence
local function offset(cLat, cLon, distance, bearing)
local lat1 = math.rad(cLat)
local lon1 = math.rad(cLon)
local dByR = distance / 6378137 -- distance divided by 6378137 (radius of the earth) wgs84
local lat = math.asin(
math.sin(lat1) * math.cos(dByR) +
math.cos(lat1) * math.sin(dByR) * math.cos(bearing)
)
local lon = lon1 + math.atan2(
math.sin(bearing) * math.sin(dByR) * math.cos(lat1),
math.cos(dByR) - math.sin(lat1) * math.sin(lat)
)
return {math.deg(lon), math.deg(lat)}
end
local coordinates = {};
local i = 0;
while i < n do
table.insert(coordinates,
offset(lat, long, radius, (2*math.pi*i*-1)/n)
)
i = i + 1
end
table.insert(coordinates, offset(lat, long, radius, 0))
return coordinates
end
--[[
Get the number of key-value pairs in a table, which might not be a sequence.
@param {table} t
@returns {number} count of key-value pairs
]]--
function util.tableCount(t)
local count = 0
for k, v in pairs(t) do
count = count + 1
end
return count
end
--[[
For a table where the values are all tables, returns either the util.tableCount
of the subtables if they are all the same, or nil if they are not all the same.
@param {table} t
@returns {number|nil} count of key-value pairs of subtable, or nil if subtables
have different counts
]]--
function util.subTablesCount(t)
local count = nil
for k, v in pairs(t) do
if count == nil then
count = util.tableCount(v)
elseif count ~= util.tableCount(v) then
return nil
end
end
return count
end
--[[
Splits a list into a table sequence. The items in the list may be separated by
commas, or by semicolons (if items may contain commas), or by "###" (if items
may contain semicolons).
@param {string} listString
@returns {table} sequence of list items
]]--
function util.tableFromList(listString)
if type(listString) ~= "string" or listString == "" then return nil end
local separator = (mw.ustring.find(listString, "###", 0, true ) and "###") or
(mw.ustring.find(listString, ";", 0, true ) and ";") or ","
local pattern = "%s*"..separator.."%s*"
return mw.text.split(listString, pattern)
end
-- Boolean in outer scope indicating if Kartographer should be able to
-- automatically calculate coordinates (see phab:T227402)
local coordsDerivedFromFeatures = false;
--[[----------------------------------------------------------------------------
Make methods: These take in a table of arguments, and return either a string
or a table to be used in the eventual output.
----------------------------------------------------------------------------]]--
local make = {}
--[[
Makes content to go inside the maplink or mapframe tag.
@param {table} args
@returns {string} tag content
]]--
function make.content(args)
if util.getParameterValue(args, 'raw') then
coordsDerivedFromFeatures = true -- Kartographer should be able to automatically calculate coords from raw geoJSON
return util.getParameterValue(args, 'raw')
end
local content = {}
local argsExpanded = {}
for k, v in pairs(args) do
local index = string.match( k, '^[^0-9]+([0-9]*)$' )
if index ~= nil then
local indexNumber = ''
if index ~= '' then
indexNumber = tonumber(index)
else
indexNumber = 1
end
if argsExpanded[indexNumber] == nil then
argsExpanded[indexNumber] = {}
end
argsExpanded[indexNumber][ string.gsub(k, index, '') ] = v
end
end
for contentIndex, contentArgs in pairs(argsExpanded) do
local argType = util.getParameterValue(contentArgs, "type")
-- Kartographer automatically calculates coords if geolines/shapes are used (T227402)
if not coordsDerivedFromFeatures then
coordsDerivedFromFeatures = ( argType == L10n.str.line or argType == L10n.str.shape ) and true or false
end
if argType == L10n.str.named then
local namedCoords = util.getNamedCoords(util.getParameterValue(contentArgs, "from"))
local typeKey = type(L10n.para.type) == "table" and L10n.para.type[1] or L10n.para.type
local coordKey = type(L10n.para.coord) == "table" and L10n.para.coord[1] or L10n.para.coord
local titleKey = type(L10n.para.title) == "table" and L10n.para.title[1] or L10n.para.title
local descKey = type(L10n.para.description) == "table" and L10n.para.description[1] or L10n.para.description
for _, namedCoord in pairs(namedCoords) do
contentArgs[typeKey] = "point"
contentArgs[coordKey] = namedCoord.coord
contentArgs[titleKey] = namedCoord.name
contentArgs[descKey] = namedCoord.description
content[#content+1] = make.contentJson(contentArgs)
end
else
content[#content + 1] = make.contentJson(contentArgs)
end
end
--Single item, no array needed
if #content==1 then return content[1] end
--Multiple items get placed in a FeatureCollection
local contentArray = '[\n' .. table.concat( content, ',\n') .. '\n]'
return contentArray
end
--[[
Make coordinates from the coord arg, or the id arg, or the current page's
Wikidata item.
@param {table} args
@param {boolean} [plainOutput]
@returns {Mixed} Either:
{number, number} latitude, longitude if plainOutput is true; or
{table} table sequence of longitude, then latitude (gives the required format
for GeoJSON when encoded)
]]--
function make.coords(args, plainOutput)
local coords, lat, long
local frame = mw.getCurrentFrame()
if util.getParameterValue(args, 'coord') then
coords = frame:preprocess( util.getParameterValue(args, 'coord') )
lat, long = util.parseCoords(coords)
else
lat, long = util.wikidataCoords(util.getParameterValue(args, 'id') or mw.wikibase.getEntityIdForCurrentPage())
end
if plainOutput then
return lat, long
end
return {[0] = long, [1] = lat}
end
--[[
Makes a table of coordinates that approximate a circle.
@param {table} args
@returns {table} sequence of {latitude, longitude} table sequences, where
latitude and longitude are both numbers
@throws {L10n.error.noCircleCoords} if centre coordinates are not specified
@throws {L10n.error.noRadius} if radius is not specified
@throws {L10n.error.negativeRadius} if radius is negative or zero
@throws {L10n.error.negativeEdges} if edges is negative or zero
]]--
function make.circleCoords(args)
local lat, long = make.coords(args, true)
local radius = util.getParameterValue(args, 'radius')
if not radius then
radius = util.getParameterValue(args, 'radiusKm') and tonumber(util.getParameterValue(args, 'radiusKm'))*1000
if not radius then
radius = util.getParameterValue(args, 'radiusMi') and tonumber(util.getParameterValue(args, 'radiusMi'))*1609.344
if not radius then
radius = util.getParameterValue(args, 'radiusFt') and tonumber(util.getParameterValue(args, 'radiusFt'))*0.3048
end
end
end
local edges = util.getParameterValue(args, 'edges') or L10n.defaults.edges
if not lat or not long then
error(L10n.error.noCircleCoords, 0)
elseif not radius then
error(L10n.error.noRadius, 0)
elseif tonumber(radius) <= 0 then
error(L10n.error.negativeRadius, 0)
elseif tonumber(edges) <= 0 then
error(L10n.error.negativeEdges, 0)
end
return util.circleToPolygon(lat, long, radius, tonumber(edges))
end
--[[
Makes JSON data for a feature
@param contentArgs args for this feature. Keys must be the non-suffixed version
of the parameter names, i.e. use type, stroke, fill,... rather than type3,
stroke3, fill3,...
@returns {string} JSON encoded data
]]--
function make.contentJson(contentArgs)
local data = {}
if util.getParameterValue(contentArgs, 'type') == L10n.str.point or util.getParameterValue(contentArgs, 'type') == L10n.str.circle then
local isCircle = util.getParameterValue(contentArgs, 'type') == L10n.str.circle
data.type = "Feature"
data.geometry = {
type = isCircle and "LineString" or "Point",
coordinates = isCircle and make.circleCoords(contentArgs) or make.coords(contentArgs)
}
data.properties = {
title = util.getParameterValue(contentArgs, 'title') or mw.getCurrentFrame():getParent():getTitle()
}
if isCircle then
-- TODO: This is very similar to below, should be extracted into a function
data.properties.stroke = util.getParameterValue(contentArgs, 'strokeColor') or L10n.defaults.strokeColor
data.properties["stroke-width"] = tonumber(util.getParameterValue(contentArgs, 'strokeWidth')) or L10n.defaults.strokeWidth
local strokeOpacity = util.getParameterValue(contentArgs, 'strokeOpacity')
if strokeOpacity then
data.properties['stroke-opacity'] = tonumber(strokeOpacity)
end
local fill = util.getParameterValue(contentArgs, 'fill')
if fill then
data.properties.fill = fill
local fillOpacity = util.getParameterValue(contentArgs, 'fillOpacity')
data.properties['fill-opacity'] = fillOpacity and tonumber(fillOpacity) or 0.6
end
else -- is a point
data.properties["marker-symbol"] = util.getParameterValue(contentArgs, 'marker') or L10n.defaults.marker
data.properties["marker-color"] = util.getParameterValue(contentArgs, 'markerColor') or L10n.defaults.markerColor
data.properties["marker-size"] = util.getParameterValue(contentArgs, 'markerSize') or L10n.defaults.markerSize
end
else
data.type = "ExternalData"
if util.getParameterValue(contentArgs, 'type') == L10n.str.data or util.getParameterValue(contentArgs, 'from') then
data.service = "page"
elseif util.getParameterValue(contentArgs, 'type') == L10n.str.line then
data.service = "geoline"
elseif util.getParameterValue(contentArgs, 'type') == L10n.str.shape then
data.service = "geoshape"
elseif util.getParameterValue(contentArgs, 'type') == L10n.str.shapeInverse then
data.service = "geomask"
end
if util.getParameterValue(contentArgs, 'id') or (not (util.getParameterValue(contentArgs, 'from')) and mw.wikibase.getEntityIdForCurrentPage()) then
data.ids = util.getParameterValue(contentArgs, 'id') or mw.wikibase.getEntityIdForCurrentPage()
else
data.title = util.getParameterValue(contentArgs, 'from')
end
data.properties = {
stroke = util.getParameterValue(contentArgs, 'strokeColor') or L10n.defaults.strokeColor,
["stroke-width"] = tonumber(util.getParameterValue(contentArgs, 'strokeWidth')) or L10n.defaults.strokeWidth
}
local strokeOpacity = util.getParameterValue(contentArgs, 'strokeOpacity')
if strokeOpacity then
data.properties['stroke-opacity'] = tonumber(strokeOpacity)
end
local fill = util.getParameterValue(contentArgs, 'fill')
if fill and (data.service == "geoshape" or data.service == "geomask") then
data.properties.fill = fill
local fillOpacity = util.getParameterValue(contentArgs, 'fillOpacity')
if fillOpacity then
data.properties['fill-opacity'] = tonumber(fillOpacity)
end
end
end
data.properties.title = util.getParameterValue(contentArgs, 'title') or mw.title.getCurrentTitle().text
if util.getParameterValue(contentArgs, 'description') then
data.properties.description = util.getParameterValue(contentArgs, 'description')
end
return mw.text.jsonEncode(data)
end
--[[
Makes attributes for the maplink or mapframe tag.
@param {table} args
@param {boolean} [isTitle] Tag is to be displayed in the title of page rather
than inline
@returns {table<string,string>} key-value pairs of attribute names and values
]]--
function make.tagAttribs(args, isTitle)
local attribs = {}
if util.getParameterValue(args, 'zoom') then
attribs.zoom = util.getParameterValue(args, 'zoom')
end
if util.isDeclined(util.getParameterValue(args, 'icon')) then
attribs.class = "no-icon"
end
if util.getParameterValue(args, 'type') == L10n.str.point and not coordsDerivedFromFeatures then
local lat, long = make.coords(args, 'plainOutput')
attribs.latitude = tostring(lat)
attribs.longitude = tostring(long)
end
if util.isAffirmed(util.getParameterValue(args, 'frame')) and not(isTitle) then
attribs.width = util.getParameterValue(args, 'frameWidth') or L10n.defaults.frameWidth
attribs.height = util.getParameterValue(args, 'frameHeight') or L10n.defaults.frameHeight
if util.getParameterValue(args, 'frameCoordinates') then
local frameLat, frameLong = util.parseCoords(util.getParameterValue(args, 'frameCoordinates'))
attribs.latitude = frameLat
attribs.longitude = frameLong
else
if util.getParameterValue(args, 'frameLatitude') then
attribs.latitude = util.getParameterValue(args, 'frameLatitude')
end
if util.getParameterValue(args, 'frameLongitude') then
attribs.longitude = util.getParameterValue(args, 'frameLongitude')
end
end
if not attribs.latitude and not attribs.longitude and not coordsDerivedFromFeatures then
local success, lat, long = pcall(util.wikidataCoords, util.getParameterValue(args, 'id') or mw.wikibase.getEntityIdForCurrentPage())
if success then
attribs.latitude = tostring(lat)
attribs.longitude = tostring(long)
end
end
if util.getParameterValue(args, 'frameAlign') then
attribs.align = util.getParameterValue(args, 'frameAlign')
end
if util.isAffirmed(util.getParameterValue(args, 'plain')) then
attribs.frameless = "1"
else
attribs.text = util.getParameterValue(args, 'text') or L10n.defaults.text
end
else
attribs.text = util.getParameterValue(args, 'text') or L10n.defaults.text
end
return attribs
end
--[[
Makes maplink wikitext that will be located in the top-right of the title of the
page (the same place where coords with |display=title are positioned).
@param {table} args
@param {string} tagContent Content for the maplink tag
@returns {string}
]]--
function make.titleOutput(args, tagContent)
local titleTag = mw.text.tag('maplink', make.tagAttribs(args, true), tagContent)
local spanAttribs = {
style = "font-size: small;",
id = "coordinates"
}
return mw.text.tag('span', spanAttribs, titleTag)
end
--[[
Makes maplink or mapframe wikitext that will be located inline.
@param {table} args
@param {string} tagContent Content for the maplink tag
@returns {string}
]]--
function make.inlineOutput(args, tagContent)
local tagName = 'maplink'
if util.getParameterValue(args, 'frame') then
tagName = 'mapframe'
end
return mw.text.tag(tagName, make.tagAttribs(args), tagContent)
end
--[[
Makes the HTML required for the swicther to work, including the templatestyles
tag.
@param {table} params table sequence of {map, label} tables
@param {string} params{}.map Wikitext for mapframe map
@param {string} params{}.label Label text for swicther option
@param {table} options
@param {string} options.alignment "left" or "center" or "right"
@param {boolean} options.isThumbnail Display in a thumbnail
@param {string} options.width Width of frame, e.g. "200"
@param {string} [options.caption] Caption wikitext for thumnail
@retruns {string} swicther HTML
]]--
function make.switcherHtml(params, options)
if not options then option = {} end
local frame = mw.getCurrentFrame()
local styles = frame:extensionTag{
name = "templatestyles",
args = {src = "Template:Maplink/styles-multi.css"}
}
local container = mw.html.create("div")
:addClass("switcher-container")
:addClass("mapframe-multi-container")
if options.alignment == "left" or options.alignment == "right" then
container:addClass("float"..options.alignment)
else -- alignment is "center"
container:addClass("center")
end
for i = 1, #params do
container
:tag("div")
:wikitext(params[i].map)
:tag("span")
:addClass("switcher-label")
:css("display", "none")
:wikitext(mw.text.trim(params[i].label))
end
if not options.isThumbnail then
return styles .. tostring(container)
end
local classlist = container:getAttr("class")
classlist = mw.ustring.gsub(classlist, "%a*"..options.alignment, "")
container:attr("class", classlist)
local outerCountainer = mw.html.create("div")
:addClass("mapframe-multi-outer-container")
:addClass("mw-kartographer-container")
:addClass("thumb")
if options.alignment == "left" or options.alignment == "right" then
outerCountainer:addClass("t"..options.alignment)
else -- alignment is "center"
outerCountainer
:addClass("tnone")
:addClass("center")
end
outerCountainer
:tag("div")
:addClass("thumbinner")
:css("width", options.width.."px")
:node(container)
:node(options.caption and mw.html.create("div")
:addClass("thumbcaption")
:wikitext(options.caption)
)
return styles .. tostring(outerCountainer)
end
--[[----------------------------------------------------------------------------
Package to be exported, i.e. methods which will available to templates and
other modules.
----------------------------------------------------------------------------]]--
local p = {}
-- Entry point for templates
function p.main(frame)
local parent = frame.getParent(frame)
local switch = util.getParameterValue(parent.args, 'switch')
local isMulti = switch and mw.text.trim(switch) ~= ""
local output = isMulti and p.multi(parent.args) or p._main(parent.args)
return frame:preprocess(output)
end
-- Entry points for modules
function p._main(_args)
local args = util.trimArgs(_args)
local tagContent = make.content(args)
local display = mw.text.split(util.getParameterValue(args, 'display') or L10n.defaults.display, '%s*' .. L10n.str.dsep .. '%s*')
local displayInTitle = display[1] == L10n.str.title or display[2] == L10n.str.title
local displayInline = display[1] == L10n.str.inline or display[2] == L10n.str.inline
local output
if displayInTitle and displayInline then
output = make.titleOutput(args, tagContent) .. make.inlineOutput(args, tagContent)
elseif displayInTitle then
output = make.titleOutput(args, tagContent)
elseif displayInline then
output = make.inlineOutput(args, tagContent)
else
error(L10n.error.badDisplayPara)
end
return output
end
function p.multi(_args)
local args = util.trimArgs(_args)
if not args[L10n.para.switch] then error(L10n.error.noSwitchPara, 0) end
local switchParamValue = util.getParameterValue(args, 'switch')
local switchLabels = util.tableFromList(switchParamValue)
if #switchLabels == 1 then error(L10n.error.oneSwitchLabel, 0) end
local mapframeArgs = {}
local switchParams = {}
for name, val in pairs(args) do
-- Copy to mapframeArgs, if not the switch labels or a switch parameter
if val ~= switchParamValue and not string.match(val, "^"..L10n.str.switch..":") then
mapframeArgs[name] = val
end
-- Check if this is a param to switch. If so, store the name and switch
-- values in switchParams table.
local switchList = string.match(val, "^"..L10n.str.switch..":(.+)")
if switchList ~= nil then
local values = util.tableFromList(switchList)
if #values == 1 then
error(string.format(L10n.error.oneSwitchValue, name), 0)
end
switchParams[name] = values
end
end
if util.tableCount(switchParams) == 0 then
error(L10n.error.noSwitchLists, 0)
end
local switchCount = util.subTablesCount(switchParams)
if not switchCount then
error(L10n.error.switchMismatches, 0)
elseif switchCount > #switchLabels then
error(string.format(L10n.error.fewerSwitchLabels, switchCount, #switchLabels), 0)
end
-- Ensure a plain frame will be used (thumbnail will be built by the
-- make.switcherHtml function if required, so that switcher options are
-- inside the thumnail)
mapframeArgs.plain = "yes"
local switcher = {}
for i = 1, switchCount do
local label = switchLabels[i]
for name, values in pairs(switchParams) do
mapframeArgs[name] = values[i]
end
table.insert(switcher, {
map = p._main(mapframeArgs),
label = "Show "..label
})
end
return make.switcherHtml(switcher, {
alignment = args["frame-align"] or "right",
isThumbnail = (args.frame and not args.plain) and true or false,
width = args["frame-width"] or L10n.defaults.frameWidth,
caption = args.text
})
end
return p