Module:Infobox mapframe

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Revision as of 21:54, 27 October 2020 by Wikipedia>Evad37 (only allow shapes/lines based on wikidata id if there is an id)
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Usage

Module that automatically makes a mapframe suitable for an infobox automatically, with minimal user input.

Generic usage

Just use the template {{Infobox mapframe}}, following the documentation there. This module may also be imported to another Lua module.

Automatic maps in infoboxes

Example edits: Template:Infobox prison, Template:Infobox prison/doc

Edit the infobox template (or its sandbox). Add lines like the following examples to the infobox. Replace numbers (4, or 97 to 99), with the appropriate number based on how many other image or data parameters are already present.

If placing near the top of infobox If placing at/near the bottom of the infobox 
| image4     = {{#invoke:Infobox mapframe|auto}}
| caption4   = {{#invoke:Infobox mapframe|autocaption}}

| header97   = {{#if:{{{mapframe|}}}|Location}}
| data98     = {{#invoke:Infobox mapframe|auto}}
| data99     = {{#invoke:Infobox mapframe|autocaption}}

If the template has a {{#invoke:Check for unknown parameters}}, add the following parameters: 

| mapframe | mapframe-caption | mapframe-custom | mapframe-id | mapframe-coord | mapframe-wikidata | mapframe-point | mapframe-shape | mapframe-frame-width | mapframe-frame-height | mapframe-shape-fill | mapframe-shape-fill-opacity | mapframe-stroke-color | mapframe-stroke-colour | mapframe-stroke-width | mapframe-marker | mapframe-marker-color | mapframe-marker-colour | mapframe-geomask | mapframe-geomask-stroke-color | mapframe-geomask-stroke-colour | mapframe-geomask-stroke-width | mapframe-geomask-fill | mapframe-geomask-fill-opacity | mapframe-zoom | mapframe-length_km | mapframe-length_mi | mapframe-area_km2 | mapframe-area_mi2 | mapframe-frame-coordinates | mapframe-frame-coord | mapframe-switcher | mapframe-height | mapframe-width

Once this is done, the above parameters will be available to users of the template.

  • Defaults values for these parameters can also be specified in the #invoke calls above, e.g. {{#invoke:Infobox mapframe|auto|mapframe-marker=library}} means that the library marker will be used, unless a different value is passed in to the template.
  • The maps are off by default, which means maps will not be displayed unless |mapframe=yes is present in the template call. To turn maps on by default, in the #invoke calls above add |onByDefault=yes – which means maps will be displayed unless |mapframe=no is present in the template call. onByDefault can also be set to a conditional, such as if another parameters is present, e.g. |onByDefault={{#if:{{{pushpin_map|}}}|no|yes}}
  • Add the new parameters to the document. You can use {{Infobox mapframe/doc/parameters}}. Specify default values (if any are used in the #invoke calls) using by adding parameters in the form |parameter-name=value. The default output is shown here collapsed:
Extended content
  • Basic parameters:
    • mapframe – Specify yes or no to show or hide the map, overriding the default. Default: no
    • mapframe-caption – Caption for the map. Default: blank (or if |mapframe-geomask= is set, "Location in geomask's label")
    • mapframe-custom – Use a custom map instead of the automatic mapframe. Specify either a {{maplink}} template, or another template that generates a mapframe map, or an image name. If used, the subsequent mapframe parameters will be ignored. Default: not specified
    • mapframe-id or id or qid – Id (Q-number) of Wikidata item to use. Default: item for current page
    • mapframe-coordinates or mapframe-coord or coordinates or coord – Coordinates to use, instead of any on Wikidata. Use the {{Coord}} template, e.g. |coord={{Coord|12.34|N|56.78|E}}. Default: coordinates from Wikidata
    • mapframe-wikidata – Set to yes to show shape/line features from the wikidata item, if any, when |coord= is set. Default: not specified
  • Customise which features are displayed:
  • Other optional parameters:
    • mapframe-frame-width or mapframe-width – Frame width. Default: 270
    • mapframe-frame-height or mapframe-height – Frame height. Default: 200
    • mapframe-shape-fill – Color used to fill shape features. Default: #606060
    • mapframe-shape-fill-opacity – Opacity level of shape fill, a number between 0 and 1. Default: 0.5
    • mapframe-stroke-color or mapframe-stroke-colour – Color of line features, and outlines of shape features. Default: #ff0000
    • mapframe-stroke-width – Width of line features, and outlines of shape features; default is "5". Default: 5
    • mapframe-marker – Marker symbol to use for coordinates; see mw:Help:Extension:Kartographer/Icons for options. Default: not specified (i.e. blank)
      • Can also be set to blank to override any default marker symbol
    • mapframe-marker-color or mapframe-marker-colour – Background color for the marker. Default: #5E74F3
    • mapframe-geomask-stroke-color or mapframe-geomask-stroke-colour – Color of outline of geomask shape. Default: #555555
    • mapframe-geomask-stroke-width – Width of outline of geomask shape. Default: 2
    • mapframe-geomask-fill – Color used to fill outside geomask features. Default: #606060
    • mapframe-geomask-fill-opacity – Opacity level of fill outside geomask features, a number between 0 and 1. Default: 0.5
    • mapframe-zoom – Set the zoom level, from "1" to "18", to used if the zoom level cannot be determined automatically from object length or area. Default: 10
    • mapframe-length_km or mapframe-length_mi or mapframe-area_km2 or mapframe-area_mi2 – Determine zoom level by passing in object's length (in kilometres or miles) or area (in square kilometres or square miles). Default: not specified
    • mapframe-frame-coordinates or mapframe-frame-coord – Alternate latitude and longitude coordinates for initial placement of map, using {{coord}}. Default: derived from item coordinates

See also

local mf = require('Module:Mapframe')
local getArgs = require('Module:Arguments').getArgs
local yesno = require('Module:Yesno')
local infoboxImage = require('Module:InfoboxImage').InfoboxImage

-- 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_GEOMASK_FILL_OPACITY = "0.5"
local DEFAULT_SHAPE_STROKE_WIDTH = "3"
local DEFAULT_SHAPE_STROKE_COLOR = "#FF0000"
local DEFAULT_SHAPE_FILL = "#606060"
local DEFAULT_SHAPE_FILL_OPACITY = "0.5"
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

function shouldAutoRun(frame)
	-- Check if should be running
	local explicitlyOn = yesno(mw.text.trim(frame.getParent(frame).args.mapframe or "")) -- true of false or nil
	local onByDefault = (explicitlyOn == nil) and yesno(mw.text.trim(frame.args.onByDefault or ""), false) -- true or false
	return explicitlyOn or onByDefault
end

function argsFromAuto(frame)
	-- Get args from the frame (invoke call) and the parent (template call).
	-- Frame arguments are default values which are overridden by parent values
	-- when both are present
	local args = getArgs(frame, {parentFirst = true})
	
	-- Discard args not prefixed with "mapframe-", remove that prefix from those that remain
	local fixedArgs = {}
	for name, val in pairs(args) do
		local fixedName = string.match(name, "^mapframe%-(.+)$" )
		if fixedName then
			fixedArgs[fixedName] = val
		-- allow coord, coordinates, etc to be unprefixed
		elseif name == "coordinates" or name == "coord" or name == "coordinate" and not fixedArgs.coord then
			fixedArgs.coord = val
		-- allow id, qid to be unprefixed, map to id (if not already present)
		elseif name == "id" or name == "qid" and not fixedArgs.id then
			fixedArgs.id = val
		end
	end
	return fixedArgs
end

local p = {}

p.autocaption = function(frame)
	if not shouldAutoRun(frame) then return "" end
	local args = argsFromAuto(frame)
	if args.caption then
		return args.caption
	elseif args.switcher then 
		return ""
	end
	local maskItem
	local maskType = idType(args.geomask)
	if maskType == 'item' then
		maskItem = args.geomask
	elseif maskType == "property" then
		maskItem = relatedEntity(args.id or mw.wikibase.getEntityIdForCurrentPage(), args.geomask)
	end
	local maskItemLabel = maskItem and mw.wikibase.getLabel( maskItem )
	return maskItemLabel and "Location in "..maskItemLabel or ""
end

function parseCustomWikitext(customWikitext)
	-- infoboxImage will format an image if given wikitext containing an
	-- image, or else pass through the wikitext unmodified
	return infoboxImage({
		args = {
			image = customWikitext
		}
	})
end

p.auto = function(frame)
	if not shouldAutoRun(frame) then return "" end
	local args = argsFromAuto(frame)
	if args.custom then
		return frame:preprocess(parseCustomWikitext(args.custom))
	end
	local mapframe = p._main(args)
	return frame:preprocess(mapframe)
end

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)
	
	-- 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 config.width or DEFAULT_FRAME_WIDTH
	args["frame-height"] = config["frame-height"] or config.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;
	if config.point == "on" then
		shouldShowPointMarker = true 
	elseif config.point == "none" then
		shouldShowPointMarker = false
	else
		shouldShowPointMarker = not(hasOsmRelationId) or (config.marker and config.marker ~= 'none') or (config.coordinates or config.coord)
	end
	local shouldShowShape = config.shape ~= 'none'
	local shapeType = config.shape == 'inverse' and 'shape-inverse' or 'shape'
	local shouldShowLine = config.line ~= 'none'
	local maskItem
	local useWikidata = wikidataId and true or false -- Use shapes/lines based on wikidata id, if there is one
	-- But do not use wikidata when local coords are specified (and not turned off), unless explicitly set
	if useWikidata and config.coord and shouldShowPointMarker then
		useWikidata = config.wikidata and true or false
	end
	
	-- Switcher
	if config.switcher == "zooms" then
		-- switching between zoom levels
		local maxZoom = math.max(tonumber(args.zoom), 3) -- what zoom would have otherwise been (if 3 or more, otherwise 3)
		local minZoom = 1 -- completely zoomed out
		local midZoom = math.floor((maxZoom + minZoom)/2) -- midway between maxn and min
		args.switch = "zoomed in, zoomed midway, zoomed out"
		args.zoom = string.format("SWITCH:%d,%d,%d", maxZoom, midZoom, minZoom)
	elseif config.switcher == "auto" then
		-- switching between P276 and P131 areas with recursive lookup, e.g. item's city,
		-- that city's state, and that state's country
		args.zoom = nil -- let kartographer determine the zoom
		local maskLabels = {}
		local maskItems = {}
		local maskItemId = relatedEntity(wikidataId, "P276") or  relatedEntity(wikidataId, "P131") 
		local maskLabel = mw.wikibase.getLabel(maskItemId)
		while maskItemId and maskLabel and mw.text.trim(maskLabel) ~= "" do
			table.insert(maskLabels, maskLabel)
			table.insert(maskItems, maskItemId)
			maskItemId = maskItemId and relatedEntity(maskItemId, "P131")
			maskLabel = maskItemId and mw.wikibase.getLabel(maskItemId)
		end
		if #maskLabels > 1 then
			args.switch = table.concat(maskLabels, "###")
			maskItem = "SWITCH:" .. table.concat(maskItems, ",")
		elseif #maskLabels == 1 then
			maskItem = maskItemId[1]
		end
	elseif config.switcher == "geomasks" and config.geomask then
		-- switching between items in geomask parameter
		args.zoom = nil -- let kartographer determine the zoom
		local separator = (mw.ustring.find(config.geomask, "###", 0, true ) and "###") or
			(mw.ustring.find(config.geomask, ";", 0, true ) and ";") or ","
		local pattern = "%s*"..separator.."%s*"
		local maskItems = mw.text.split(mw.ustring.gsub(config.geomask, "SWITCH:", ""), pattern)
		local maskLabels = {}
		if #maskItems > 1 then
			for i, item in ipairs(maskItems) do
				table.insert(maskLabels, mw.wikibase.getLabel(item))
			end
			args.switch = table.concat(maskLabels, "###")
			maskItem = "SWITCH:" .. table.concat(maskItems, ",")
		end
	end
	
	-- resolve geomask item id (if not using geomask switcher)
	if not maskItem then --  
		local maskType = idType(config.geomask)
		if maskType == 'item' then
			maskItem = config.geomask
		elseif maskType == "property" then
			maskItem = relatedEntity(wikidataId, config.geomask)
		end
	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
		args["fill-opacity"..argNumber] = config["geomask-fill-opacity"] or DEFAULT_SHAPE_FILL_OPACITY
		-- Let kartographer determine zoom and position, unless it is explicitly set in config
		if not config.zoom and not config.switcher then
			args.zoom = nil
			args["frame-coord"] = nil
			args["frame-lat"] = nil
			args["frame-long"] = nil 	
			local maskArea = getStatementValue( getBestStatement(maskItem, 'P2046') )
		end
		incrementArgNumber()
		-- Hack to fix phab:T255932
		if not args.zoom then
			args["type"..argNumber] = "line"
			args["id"..argNumber] = maskItem
			args["stroke-width"..argNumber] = 0
			incrementArgNumber()
		end
	end
	
	-- Shape (or shape-inverse)
	if useWikidata and shouldShowShape then
		args["type"..argNumber] = shapeType
		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
		args["fill-opacity"..argNumber] = config["shape-fill-opacity"] or DEFAULT_SHAPE_FILL_OPACITY
		incrementArgNumber()
	end
	
	-- Line
	if useWikidata and shouldShowLine 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 = args.switch and mf.multi(args) or mf._main(args)
	local tracking = hasOsmRelationId and '' or '[[Category:Infobox mapframe without OSM relation ID on Wikidata]]'
	return mapframe .. tracking
end

return p
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