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UtilizareModificare

Acest modul implementează formatele {{Location map}} și{{Location map~}}. Vă rugăm să vă uitați la paginile formatelor pentru instrucțiuni de utilizare.

Categorii de localizare/întreținereModificare


require('Modul:No globals')

local p = {}

local getArgs = require('Modul:Arguments').getArgs

local function round(n, decimals)
	local pow = 10^(decimals or 0)
	return math.floor(n * pow + 0.5) / pow
end

function p.getMapParams(map, frame)
	if not map then
		error('The name of the location map definition to use must be specified', 2)
	end
	local moduletitle = mw.title.makeTitle('Modul', 'Location map/data/' .. map)
	if not moduletitle then
		error(string.format('%q is not a valid name for a location map definition', map), 2)
	elseif moduletitle.exists then
		local mapData = mw.loadData('Modul:Location map/data/' .. map)
		return function(name, params)
			if name == nil then
				return 'Modul:Location map/data/' .. map
			elseif mapData[name] == nil then
				return ''
			elseif params then
				return mw.message.newRawMessage(tostring(mapData[name]), unpack(params)):plain()
			else
				return mapData[name]
			end
		end
	elseif mw.title.makeTitle('Format', 'Harta de localizare ' .. map).exists then
		local cache = {}
		if type(frame) ~= 'table' or type(frame.expandTemplate) ~= 'function' then
			error('A frame must be provided when using a legacy location map')
		end
		return function(name, params)
			if params then
				return frame:expandTemplate{title = 'Harta de localizare ' .. map, args = { name, unpack(params) }}
			else
				if name == nil then
					return 'Format:Harta de localizare ' .. map
				elseif cache[name] == nil then
					cache[name] = frame:expandTemplate{title = 'Harta de localizare ' .. map, args = { name }}
				end
				return cache[name]
			end
		end
	else
		error('Unable to find the specified location map definition. Neither "Modul:Location map/data/' .. map .. '" nor "Format:Harta de localizare ' .. map .. '" exists', 2)
	end
end

function p.data(frame, args, map)
	if not args then
		args = getArgs(frame, {frameOnly = true})
	end
	if not map then
		map = p.getMapParams(args[1], frame)
	end
	local params = {}
	for k,v in ipairs(args) do
		if k > 2 then
			params[k-2] = v
		end
	end
	return map(args[2], #params ~= 0 and params)
end

local hemisphereMultipliers = {
	longitude = { W = -1, w = -1, E = 1, e = 1, V = -1, v = -1 },
	latitude = { S = -1, s = -1, N = 1, n = 1 }
}

local function decdeg(degrees, minutes, seconds, hemisphere, decimal, direction)
	if decimal then
		if degrees then
			error('Decimal and DMS degrees cannot both be provided for ' .. direction, 2)
		elseif minutes then
			error('Minutes can only be provided with DMS degrees for ' .. direction, 2)
		elseif seconds then
			error('Seconds can only be provided with DMS degrees for ' .. direction, 2)
		elseif hemisphere then
			error('A hemisphere can only be provided with DMS degrees for ' .. direction, 2)
		end
		local retval = tonumber(decimal)
		if retval then
			return retval
		end
		error('The value "' .. decimal .. '" provided for ' .. direction .. ' is not valid', 2)
	elseif seconds and not minutes then
		error('Seconds were provided for ' .. direction .. ' without minutes also being provided', 2)
	elseif not degrees then
		if minutes then
			error('Minutes were provided for ' .. direction .. ' without degrees also being provided', 2)
		elseif hemisphere then
			error('A hemisphere was provided for ' .. direction .. ' without degrees also being provided', 2)
		end
		return nil
	end
	local lang = mw.language.getContentLanguage()
	if not tonumber(degrees) then
	    degrees = lang:parseFormattedNumber(degrees)
	end
	if not tonumber(minutes) then
	    minutes = lang:parseFormattedNumber(minutes)
	end
	if not tonumber(seconds) then
	    seconds = lang:parseFormattedNumber(seconds)
	end
	mw.log("Modified coordinate")
	mw.logObject(degrees)
	mw.logObject(minutes)
	mw.logObject(seconds)
	decimal = tonumber(degrees)
	if not decimal then
		error('Valoarea pentru grade "' .. degrees .. '" oferită pentru ' .. direction .. ' nu este validă', 2)
	elseif minutes and not tonumber(minutes) then
		error('Valoarea pentru minute "' .. minutes .. '" oferită pentru ' .. direction .. ' nu este validă', 2)
	elseif seconds and not tonumber(seconds) then
		error('Valoarea pentru secunde "' .. seconds .. '" oferită pentru ' .. direction .. ' nu este validă', 2)
	end
	decimal = decimal + (minutes or 0)/60 + (seconds or 0)/3600
	if hemisphere then
		local multiplier = hemisphereMultipliers[direction][hemisphere]
		if not multiplier then
			error('Emisfera "' .. hemisphere .. '" oferită pentru ' .. direction .. ' nu este validă', 2)
		end
		decimal = decimal * multiplier
	end
	return decimal
end

-- effectively make removeBlanks false for caption and maplink, and true for everything else
-- if useWikidata is present but blank, convert it to false instead of nil
-- p.top, p.bottom, and their callers need to use this
function p.valueFunc(key, value)
	if value then
		value = mw.text.trim(value)
	end
	if value ~= '' or key == 'caption' or key == 'maplink' then
		return value
	elseif key == 'useWikidata' then
		return false
	end
end

local function getContainerImage(args, map)
	if args.AlternativeMap then
		return args.AlternativeMap
	elseif args.relief and map('image1') ~= '' then
		return map('image1')
	else
		return map('image')
	end
end

local function getDecimalCoords(args, map)
	local longitude, latitude
	longitude = decdeg(args.lon_deg, args.lon_min, args.lon_sec, args.lon_dir, args.long, 'longitude')
	latitude = decdeg(args.lat_deg, args.lat_min, args.lat_sec, args.lat_dir, args.lat, 'latitude')
	if not longitude and not latitude and args.useWikidata then
		-- If they didn't provide either coordinate, try Wikidata. If they provided one but not the other, don't.
		local entity = mw.wikibase.getEntity()
		if entity and entity.claims and entity.claims.P625 and entity.claims.P625[1].mainsnak.snaktype == 'value' then
			local value = entity.claims.P625[1].mainsnak.datavalue.value
			longitude, latitude = value.longitude, value.latitude
		end
	end
	if not longitude then
		error('No value was provided for longitude')
	end
	if not latitude then
		error('No value was provided for latitude')
	end
	return latitude, longitude
end

--get map aspect ratio
local function getWidth(map, args)
	local width
	if not args.width then
		width = round((args.default_width or 240) * (tonumber(map('defaultscale')) or 1))
	elseif mw.ustring.sub(args.width, -2) == 'px' then
		width = mw.ustring.sub(args.width, 1, -3)
	else
		width = args.width
	end
	return tonumber(width)
end

--distance logic adapted from https://wiki.openstreetmap.org/wiki/Zoom_levels#Distance_per_pixel_math
local function getHeight(map, latitude, longitude, width)
	local bottom = tonumber(map('bottom'))
	local top = tonumber(map('top'))
	local left = tonumber(map('left'))
	local right = tonumber(map('right'))
	if not bottom or not top or not left or not right then return width end
	local c = math.cos(math.rad(latitude)) -- variation of height in degrees
	local deg_len = 111120 -- length of a degree in many at Equator and on meridians
	local x_distance = (right - left) * deg_len * c
	local y_distance = (top - bottom) * deg_len
	local height = math.ceil(width * y_distance / x_distance)
	return height
end

-- this function returns the maximum zoom that contains the whole map
-- calculations are based on data from https://wiki.openstreetmap.org/wiki/Slippy_map_tilenames
local function getZoomAndCenter(map, latitude, longitude, width, height)
	local bottom = tonumber(map('bottom'))
	local top = tonumber(map('top'))
	local left = tonumber(map('left'))
	local right = tonumber(map('right'))
	if not bottom or not top or not left or not right then 
		return 0, latitude, longitude --zoom 0 is the whole world
	end
	local tile_width = 256 -- OSM constant
	local c = math.cos(math.rad(latitude)) -- variation of height in degrees

	local x_tiles = 1.0 * width / tile_width
	local y_tiles = 1.0 * height / tile_width
	local x_zoom = math.floor(math.log(x_tiles * 360 / (right - left)) / math.log(2))
	local y_zoom = math.floor(math.log(y_tiles * 360 * c / (top - bottom)) / math.log(2))
	local x = (right + left) / 2
	local y = (top + bottom) / 2
	return math.min(x_zoom, y_zoom), y, x
end

function p.top(frame, args, map)
	if not args then
		args = getArgs(frame, {frameOnly = true, valueFunc = p.valueFunc})
	end
	if not map then
		map = p.getMapParams(args[1], frame)
	end
	local width = getWidth(map, args)
	local retval = args.float == 'center' and '<div class="center">' or ''
	if args.caption and args.caption ~= '' and args.border ~= 'infobox' then
		retval = retval .. '<div class="noviewer thumb '
		if args.float == '"left"' or args.float == 'left' then
			retval = retval .. 'tleft'
		elseif args.float == '"center"' or args.float == 'center' or args.float == '"none"' or args.float == 'none' then
			retval = retval .. 'tnone'
		else
			retval = retval .. 'tright'
		end
		retval = retval .. '"><div class="thumbinner" style="width:' .. (width + 2) .. 'px'
		if args.border == 'none' then
			retval = retval .. ';border:none'
		elseif args.border then
			retval = retval .. ';border-color:' .. args.border
		end
		retval = retval .. '"><div style="position:relative;width:' .. width .. 'px' .. (args.border ~= 'none' and ';border:1px solid lightgray">' or '">')
	else
		retval = retval .. '<div style="width:' .. width .. 'px;'
		if args.float == '"left"' or args.float == 'left' then
			retval = retval .. 'float:left;clear:left'
		elseif args.float == '"center"' or args.float == 'center' then
			retval = retval .. 'float:none;clear:both;margin-left:auto;margin-right:auto'
		elseif args.float == '"none"' or args.float == 'none' then
			retval = retval .. 'float:none;clear:none'
		else
			retval = retval .. 'float:right;clear:right'
		end
		retval = retval .. '"><div style="width:' .. width .. 'px;padding:0"><div style="position:relative;width:' .. width .. 'px">'
	end
	local image = getContainerImage(args, map)
	retval = string.format(
		'%s[[File:%s|%spx|%s%s]]',
		retval,
		image,
		width,
		args.alt or ((args.label or mw.title.getCurrentTitle().text) .. ' se află în ' .. map('name')),
		args.maplink and ('|link=' .. args.maplink) or ''
	)
	if args.overlay_image then
		return retval .. '<div style="position:absolute;top:0;left:0">[[File:' .. args.overlay_image .. '|' .. width .. 'px]]</div>'
	else
		return retval
	end
end

function p.bottom(frame, args, map)
	if not args then
		args = getArgs(frame, {frameOnly = true, valueFunc = p.valueFunc})
	end
	if not map then
		map = p.getMapParams(args[1], frame)
	end
	local retval = '</div>'
	
	if not args.caption or args.border == 'infobox' then
		if args.border then
			retval = retval .. '<div>'
		else
			retval = retval .. '<div style="font-size:90%;padding-top:3px">'
		end
		retval = retval
		.. (args.caption or (args.label or mw.title.getCurrentTitle().text) .. ' (' .. map('name') .. ')')
		.. '</div>'
	elseif args.caption ~= ''  then
		-- This is not the pipe trick. We're creating a link with no text on purpose, so that CSS can give us a nice image
		retval = retval .. '<div class="thumbcaption"><div class="magnify">[[:File:' .. getContainerImage(args, map) .. '| ]]</div>' .. args.caption .. '</div>'
	end

	if args.switcherLabel then
		retval = retval .. '<span class="switcher-label" style="display:none">' .. args.switcherLabel .. '</span>'
	elseif args.autoSwitcherLabel then
		retval = retval .. '<span class="switcher-label" style="display:none">Show map of ' .. map('name') .. '</span>'
	end
	
	retval = retval .. '</div></div>'
	if args.caption_undefined then
		mw.log('Removed parameter caption_undefined used.')
		local parent = frame:getParent()
		if parent then
			mw.log('Parent is ' .. parent:getTitle())
		end
		mw.logObject(args, 'args')
		retval = retval .. '[[Categorie:Hartă de localizare cu posibile erori|Page using removed parameter]]'
	end
	if map('skew') ~= '' or map('lat_skew') ~= '' or map('crosses180') ~= '' or map('type') ~= '' then
		mw.log('Removed parameter used in map definition ' .. map())
		retval = retval .. '[[Categorie:Hartă de localizare cu posibile erori|Map using removed parameter]]'
	end
	if string.find(map('name'), '|', 1, true) then
		mw.log('Pipe used in name of map definition ' .. map())
		retval = retval .. '[[Category:Hartă de localizare cu posibile erori|Name containing pipe]]'
	end
	if args.float == 'center' then
		retval = retval .. '</div>'
	end
	return retval
end

local function markOuterDiv(x, y, imageDiv, labelDiv)
	return mw.html.create('div')
		:cssText('position:absolute;top:' .. round(y, 3) .. '%;left:' .. round(x, 3) .. '%')
		:node(imageDiv)
		:node(labelDiv)
end

local function markImageDiv(mark, marksize, label, link, alt, title)
	local builder = mw.html.create('div')
		:cssText('position:absolute;left:-' .. round(marksize / 2) .. 'px;top:-' .. round(marksize / 2) .. 'px;line-height:0')
		:attr('title', title)
	if marksize ~= 0 then
		builder:wikitext(string.format(
			'[[File:%s|%dx%dpx|%s|link=%s%s]]',
			mark,
			marksize,
			marksize,
			label,
			link,
			alt and ('|alt=' .. alt) or ''
		))
	end
	return builder
end

local function markLabelDiv(label, label_size, label_width, position, background, x, marksize)
	if tonumber(label_size) == 0 then
		return mw.html.create('div'):cssText('font-size:0%;position:absolute'):wikitext(label)
	end
	local builder = mw.html.create('div')
		:cssText('font-size:' .. label_size .. '%;line-height:110%;position:absolute;width:' .. label_width .. 'em')
	local distance = round(marksize / 2 + 1)
	local spanCss
	if position == 'top' then -- specified top
		builder:cssText('bottom:' .. distance .. 'px;left:' .. (-label_width / 2) .. 'em;text-align:center')
	elseif position == 'bottom' then -- specified bottom
		builder:cssText('top:' .. distance .. 'px;left:' .. (-label_width / 2) .. 'em;text-align:center')
	elseif position == 'left' or (tonumber(x) > 70 and position ~= 'right') then -- specified left or autodetected to left
		builder:cssText('top:-0.75em;right:' .. distance .. 'px;text-align:right')
		spanCss = 'float:right'
	else -- specified right or autodetected to right
		builder:cssText('top:-0.75em;left:' .. distance .. 'px;text-align:left')
		spanCss = 'float:left'
	end
	builder = builder:tag('span')
		:cssText('padding:1px')
		:cssText(spanCss)
		:wikitext(label)
	if background then
		builder:cssText('background-color:' .. background)
	end
	return builder:done()
end

local function getX(longitude, left, right)
	local width = (right - left) % 360
	if width == 0 then
		width = 360
	end
	local distanceFromLeft = (longitude - left) % 360
	-- the distance needed past the map to the right equals distanceFromLeft - width. the distance needed past the map to the left equals 360 - distanceFromLeft. to minimize page stretching, go whichever way is shorter
	if distanceFromLeft - width / 2 >= 180 then
		distanceFromLeft = distanceFromLeft - 360
	end
	return 100 * distanceFromLeft / width
end

local function getY(latitude, top, bottom)
	return 100 * (top - latitude) / (top - bottom)
end

function p.mark(frame, args, map)
	if not args then
		args = getArgs(frame, {wrappers = {'Format:Harta de localizare~', 'Format:Location map~'}})
	end
	if not map then
		map = p.getMapParams(args[1], frame)
	end
	local x, y
	local latitude, longitude = getDecimalCoords(args, map)
	local builder = mw.html.create()
	if (not args.lon_deg) ~= (not args.lat_deg) then
		builder:wikitext('[[Categorie:Hartă de localizare cu precizii diferite ale longitudinii și latitudinii|Degrees]]')
	elseif (not args.lon_min) ~= (not args.lat_min) then
		builder:wikitext('[[Categorie:Hartă de localizare cu precizii diferite ale longitudinii și latitudinii|Minutes]]')
	elseif (not args.lon_sec) ~= (not args.lat_sec) then
		builder:wikitext('[[Categorie:Hartă de localizare cu precizii diferite ale longitudinii și latitudinii|Seconds]]')
	elseif (not args.lon_dir) ~= (not args.lat_dir) then
		builder:wikitext('[[Categorie:Hartă de localizare cu precizii diferite ale longitudinii și latitudinii|Emisferă]]')
	elseif (not args.long) ~= (not args.lat) then
		builder:wikitext('[[Categorie:Hartă de localizare cu precizii diferite ale longitudinii și latitudinii|Zecimal]]')
	end
	if args.skew or args.lon_shift or args.markhigh then
		mw.log('Removed parameter used in invocation.')
		local parent = frame:getParent()
		if parent then
			mw.log('Parent is ' .. parent:getTitle())
		end
		mw.logObject(args, 'args')
		builder:wikitext('[[Categorie:Hartă de localizare cu posibile erori|Page using removed parameter]]')
	end
	if map('x') ~= '' then
		x = tonumber(mw.ext.ParserFunctions.expr(map('x', { latitude, longitude })))
	else
		x = tonumber(getX(longitude, map('left'), map('right')))
	end
	if map('y') ~= '' then
		y = tonumber(mw.ext.ParserFunctions.expr(map('y', { latitude, longitude })))
	else
		y = tonumber(getY(latitude, map('top'), map('bottom')))
	end
	if (x < 0 or x > 100 or y < 0 or y > 100) and not args.outside then
		mw.log('Mark placed outside map boundaries without outside flag set. x = ' .. x .. ', y = ' .. y)
		local parent = frame:getParent()
		if parent then
			mw.log('Parent is ' .. parent:getTitle())
		end
		mw.logObject(args, 'args')
		builder:wikitext('[[Categorie:Hartă de localizare cu posibile erori|Outside flag not set with mark outside map]]')
	end
	local mark = args.mark or map('mark')
	if mark == '' then
		mark = 'Red pog.svg'
	end
	local marksize = tonumber(args.marksize) or tonumber(map('marksize')) or 8
	local imageDiv = markImageDiv(mark, marksize, args.label or mw.title.getCurrentTitle().text, args.link or '', args.alt, args[2])
	local labelDiv
	if args.label and args.position ~= 'none' then
		labelDiv = markLabelDiv(args.label, args.label_size or 90, args.label_width or 6, args.position, args.background, x, marksize)
	end
	return builder:node(markOuterDiv(x, y, imageDiv, labelDiv))
end

local function getMarkSize(args, map)
	local marksize = tonumber(args.marksize) or tonumber(map('marksize')) or 8
	if marksize < 8 then return 'small' end
	if marksize > 10 then return 'large' end
	return 'medium'
end

-- the current version only allows for a single point value, so we hardcode it
function p.mapframe(frame, args, map)
	if not args then
		args = getArgs(frame, {frameOnly = true, valueFunc = p.valueFunc})
	end
	if not map then
		map = p.getMapParams(args[1], frame)
	end
	local width = getWidth(map, args)
	local latitude, longitude = getDecimalCoords(args, map)
	local height = getHeight(map, latitude, longitude, width)
	local zoom, clat, clon = getZoomAndCenter(map, latitude, longitude, width, height)
	
	local result = string.format([[<mapframe text="" width=%d height=%d zoom=%d latitude=%f longitude=%f>
[{
  "type": "Feature",
  "geometry": { "type": "Point", "coordinates": [%f, %f] },
  "properties": {
    "title": "%s",
    "marker-symbol": "%s",
    "marker-size": "%s",
    "marker-color": "0050d0"
  }
},
{
    "type": "ExternalData",
    "service": "geoshape",
    "ids": "%s",
  }
]
</mapframe>]],
	width, height, zoom, clat, clon,
	longitude, latitude,
	args.caption or (args.label or mw.title.getCurrentTitle().text) .. ' (' .. map('name') .. ')',
	args.mark or 'marker',
	getMarkSize(args, map),
	mw.wikibase.getEntityIdForCurrentPage())

	return frame:preprocess(result)
end

function p.main(frame, args, map)
	if not args then
		args = getArgs(frame, {wrappers = 'Format:Harta de localizare', valueFunc = p.valueFunc})
	end
	if args.useWikidata == nil then
		args.useWikidata = true
	end
	if not map then
		if args[1] then
			map = {}
			for mapname in string.gmatch(args[1], '[^#]+') do
				map[#map + 1] = p.getMapParams(mapname, frame)
			end
			if #map == 1 then map = map[1] end
		else
			map = p.getMapParams('World', frame)
		end
	end
	if type(map) == 'table' then
		local outputs = {}
		args.autoSwitcherLabel = true
		for k,v in ipairs(map) do
			outputs[k] = p.main(frame, args, v)
		end
		return '<div class="switcher-container">' .. table.concat(outputs) .. '</div>'
	else
		if args.mapframe == "1" then
			return p.mapframe(frame, args, map) .. p.bottom(frame, args, map)
		else
			return p.top(frame, args, map) .. tostring( p.mark(frame, args, map) ) .. p.bottom(frame, args, map)
		end
	end
end

return p