Module:Location map
Documentation for this module may be created at Module:Location map/doc
local p = {}
local getArgs = require('Module:Arguments').getArgs
local function round(n, digits)
local mult = math.pow(10, digits)
return math.floor(n * mult + 0.5) / mult
end
local function getMapParams(map, frame)
local success, mapData = pcall(mw.loadData, 'Module:Location map/data/' .. map)
if success then
return function(name, params)
if mapData[name] == nil then
return ''
elseif params then
return mw.message.newRawMessage(mapData[name], unpack(params)):plain()
else
return mapData[name]
end
end
else
local cache = {}
return function(name, params)
if params then
return frame:expandTemplate{title = 'Location map ' .. map, args = { name, unpack(params) }}
else
if cache[name] == nil then
cache[name] = frame:expandTemplate{title = 'Location map ' .. map, args = { name }}
end
return cache[name]
end
end
end
end
local function decdeg(degrees, minutes, seconds, hemisphere, digits, decimal)
if degrees == nil then
return tonumber(decimal)
end
decimal = (degrees or 0) + (minutes or 0)/60 + (seconds or 0)/3600
if hemisphere == 'W' or hemisphere == 'w' or hemisphere == 'S' or hemisphere == 's' then
decimal = -decimal
end
if digits == nil then
digits = 7
end
return round(decimal, digits)
end
function p.top(frame, args, map)
if not args then
args = getArgs(frame)
end
if not map then
map = getMapParams(args[1], frame)
end
local width
if args.width then
width = mw.ustring.gsub(args.width, 'px', '')
else
width = round((args.default_width or 240) * (tonumber(map('defaultscale')) or 1), 0)
end
local retval = ''
if args.float == 'center' then
retval = retval .. '<div class="center">'
end
if args.caption then
retval = retval .. '<div class="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; '
if args.border ~= 'none' then
retval = retval .. 'border: 1px solid lightgray'
end
retval = retval .. '">'
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; ">'
end
local image
if args.AlternativeMap then
image = args.AlternativeMap
elseif args.relief and map('image1') ~= '' then
image = map('image1')
else
image = map('image')
end
retval = retval .. '[[File:' .. image .. '|' .. width .. 'px|' .. (args.alt or ((args.label or mw.title.getCurrentTitle().text) .. ' is located in ' .. map('name'))) .. ']]'
if args.overlay_image then
retval = retval .. '<div style="position:absolute; top: 0; left: 0">[[File:' .. args.overlay_image .. '|' .. width .. 'px|link=File:' .. image .. ']]</div>'
end
return retval
end
function p.bottom(frame, args, map)
if not args then
args = getArgs(frame)
end
if not map then
map = getMapParams(args[1], frame)
end
local retval = ''
retval = retval .. '</div><div ' .. (args.caption and 'class="thumbcaption"' or 'style="font-size: 90%; padding-top:3px"') .. '>'
local caption = frame.args.caption or frame:getParent().args.caption
if caption and not args.caption_undefined then
retval = retval .. mw.text.trim(caption)
else
retval = retval .. (args.label or mw.title.getCurrentTitle().text) .. ' (' .. map('name') .. ')'
end
retval = retval .. '</div></div></div>'
if args.float == 'center' then
retval = retval .. '</div>'
end
return retval
end
function p.container(frame, args, map)
if not args then
args = getArgs(frame)
end
if not map then
map = getMapParams(args[1], frame)
end
return p.top(frame, args, map) .. (args.places or '') .. p.bottom(frame, args, map)
end
local function markOuterDiv(x, y, content)
return '<div style="position:absolute;top:' .. y .. '%;left:' .. x .. '%;height:0;width:0;margin:0;padding:0">' .. content .. '</div>'
end
local function markImageDiv(mark, marksize, label, link, alt, title)
local retval = '<div style="position:relative;text-align:center;left:-' .. round(marksize / 2, 0) .. 'px;top:-' .. round(marksize / 2, 0) .. 'px;width:' .. marksize .. 'px;font-size:' .. marksize .. 'px;line-height:0"'
if title then
retval = retval .. ' title="' .. title .. '"'
end
retval = retval .. '>'
if marksize ~= 0 then
retval = retval .. '[[File:' .. mark .. '|' .. marksize .. 'x' .. marksize .. 'px|' .. label .. '|link=' .. link
if alt then
retval = retval .. '|alt=' .. alt
end
retval = retval .. ']]'
end
return retval .. '</div>'
end
local function markLabelDiv(label, label_size, label_width, position, background, x)
local retval = '<div style="font-size:' .. label_size .. '%;line-height:110%;position:relative;top:-1.5em;width:' .. label_width .. 'em;'
if position == 'top' then -- specified top
retval = retval .. 'top:-2.65em;left:-3em;text-align:center'
elseif position == 'bottom' then -- specified bottom
retval = retval .. 'top:-0.15em;left:-3em;text-align:center'
elseif position == 'left' or (tonumber(x) > 70 and position ~= 'right') then -- specified left or autodetected to left
retval = retval .. 'left:-6.5em;text-align:right'
else -- specified right or autodetected to right
retval = retval .. 'left:0.5em;text-align:left'
end
retval = retval .. '"><span style="padding:1px'
if background then
retval = retval .. ';background-color:' .. background
end
return retval .. '">' .. label .. '</span></div>'
end
function p.mark(frame, args, map)
if not args then
args = getArgs(frame)
end
if not map then
map = getMapParams(args[1], frame)
end
local x, y
if map('x') ~= '' then
x = frame:callParserFunction('#expr', map('x', { decdeg(args.lat_deg, args.lat_min, args.lat_sec, args.lat_dir, nil, args.lat), decdeg(args.lon_deg, args.lon_min, args.lon_sec, args.lon_dir, nil, args.long) }))
else
local crosses180_correction = map('crosses180') ~= '' and args.lon_dir == 'W' and (-36000/(map('left') - map('right'))) or 0
x = round(crosses180_correction + 100 * (decdeg(args.lon_deg, args.lon_min, args.lon_sec, args.lon_dir, nil, args.long) - map('left')) / (map('right') - map('left')), 1)
end
if map('y') ~= '' then
y = frame:callParserFunction('#expr', map('y', { decdeg(args.lat_deg, args.lat_min, args.lat_sec, args.lat_dir, nil, args.lat), decdeg(args.lon_deg, args.lon_min, args.lon_sec, args.lon_dir, nil, args.long) }))
else
y = round(100 * (map('top') - decdeg(args.lat_deg, args.lat_min, args.lat_sec, args.lat_dir, nil, args.lat) ) / (map('top') - map('bottom')), 1)
end
local mark = args.mark or map('mark')
if mark == '' then
mark = 'Red pog.svg'
end
local divContent = markImageDiv(mark, tonumber(args.marksize) or tonumber(map('marksize')) or 8, args.label or mw.title.getCurrentTitle().text, args.link or '', args.alt, args[2])
if args.label and args.position ~= 'none' then
divContent = divContent .. markLabelDiv(args.label, args.label_size or 90, args.label_width or 6, args.position, args.background, x)
end
return markOuterDiv(x, y, divContent)
end
function p.main(frame, args, map)
if not args then
args = getArgs(frame)
end
if not args[1] then
args[1] = 'World'
end
if not map then
map = getMapParams(args[1], frame)
end
return p.top(frame, args, map) .. p.mark(frame, args, map) .. p.bottom(frame, args, map)
end
return p