Module:Location map/sandbox2
--=============================================================
-- Module:Location_map/sandbox2 - Map marker with autofixing
--=============================================================
--
-- This version of Module:Location_map will autofix the
-- parameters, to attempt to display a map marker even
-- though the parameters might be invalid.
--
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)
if mw.title.new('Module:Location map/data/' .. map).exists then
local mapData = mw.loadData('Module:Location map/data/' .. map)
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
local n = tonumber(decimal);
if n == nil then
n = tonumber( string.sub(decimal,1,-2) );
end
if n == nil then
n = tonumber( string.sub(decimal,1,-3) );
end
return n
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 .. '
end
if args.caption then
retval = retval .. '
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 .. '">
if args.border == 'none' then
retval = retval .. 'border: none;'
elseif args.border then
retval = retval .. 'border-color:' .. args.border .. ';'
end
retval = retval .. '">
else
retval = retval .. '
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 .. '">
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 .. ''
if args.overlay_image then
retval = retval .. '
'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 .. '
local caption = frame.args.caption or frame:getParent().args.caption
if args.lon_deg == nil then
local n = tonumber(args.long);
if n == nil then
if caption==nil then caption='' end
caption = caption .. " [fix long=" ..args.long.. "]"
end
end
if args.lat_deg == nil then
local n = tonumber(args.lat);
if n == nil then
if caption==nil then caption='' end
caption = caption .. " [fix lat=" ..args.lat.. "]"
end
end
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 .. '
if args.float == 'center' then
retval = retval .. '
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 '
end
local function markImageDiv(mark, marksize, label, link, alt, title)
local retval = '
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 .. '
end
local function markLabelDiv(label, label_size, label_width, position, background, x)
local retval = '
end
local function getX(longitude, latitude, lon_dir, left, right, top, bottom, crosses180, skew, lon_shift)
local crosses180_correction = crosses180 and lon_dir == 'W' and (-36000/(left - right)) or 0
if skew then
local lat_ratio = (top - latitude)/(top - bottom)
local skew_factor = (1 - skew) * lat_ratio + skew
longitude = (longitude - 0.5 * (right + left) + lon_shift) * skew_factor + 0.5 * (right + left) - lon_shift
end
return round(crosses180_correction + 100 * (longitude - left) / (right - left), 1)
end
local function getY(latitude, top, bottom)
return round(100 * (top - latitude) / (top - bottom), 1)
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, longitude, latitide
longitude = decdeg(args.lon_deg, args.lon_min, args.lon_sec, args.lon_dir, nil, args.long)
latitude = decdeg(args.lat_deg, args.lat_min, args.lat_sec, args.lat_dir, nil, args.lat)
if map('x') ~= '' then
x = frame:callParserFunction('#expr', map('x', { latitude, longitude }))
else
x = getX(longitude, latitude, args.lon_dir, map('left'), map('right'), map('top'), map('bottom'), map('crosses180') ~= '', tonumber(args.skew or map('skew')), args.lon_shift or 0)
end
if map('y') ~= '' then
y = frame:callParserFunction('#expr', map('y', { latitude, longitude }))
else
y = getY(latitude, map('top'), map('bottom'))
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