Wikipedia>Gonnym: debold per talk page

2020-11-18T14:27:57Z

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-- This module implements [[Template:Track listing]]

local yesno = require('Module:Yesno')
local checkType = require('libraryUtil').checkType

local SHOW_WARNINGS = false
local INPUT_ERROR_CATEGORY = 'Track listings with input errors'
local COLLAPSED_PARAMETER_CATEGORY = 'Track listings that use the collapsed parameter '

--------------------------------------------------------------------------------
-- Helper functions
--------------------------------------------------------------------------------

-- Add a mixin to a class.
local function addMixin(class, mixin)
for k, v in pairs(mixin) do
if k ~= 'init' then
class[k] = v
end
end
end

--------------------------------------------------------------------------------
-- Validation mixin
--------------------------------------------------------------------------------

local Validation = {}

function Validation.init(self)
self.warnings = {}
self.categories = {}
end

function Validation:addWarning(msg, category)
table.insert(self.warnings, msg)
table.insert(self.categories, category)
end

function Validation:addCategory(category)
table.insert(self.categories, category)
end

function Validation:getWarnings()
return self.warnings
end

function Validation:getCategories()
return self.categories
end

-- Validate a track length. If a track length is invalid, a warning is added.
-- A type error is raised if the length is not of type string or nil.
function Validation:validateLength(length)
checkType('validateLength', 1, length, 'string', true)
if length == nil then
-- Do nothing if no length specified
return nil
end

local hours, minutes, seconds

-- Try to match times like "1:23:45".
hours, minutes, seconds = length:match('^(%d+):(%d%d):(%d%d)$')
if hours and hours:sub(1, 1) == '0' then
-- Disallow times like "0:12:34"
self:addWarning(string.format(
"Invalid time '%s' (times in format 'h:mm:ss' cannot start with zero)",
mw.text.nowiki(length)
), INPUT_ERROR_CATEGORY)
return nil
end

if not seconds then
-- The previous attempt didn't match. Try to match times like "1:23".
minutes, seconds = length:match('^(%d?%d):(%d%d)$')
if minutes and minutes:find('^0%d$') then
-- Special case to disallow lengths like "01:23". This check has to
-- be here so that lengths like "1:01:23" are still allowed.
self:addWarning(string.format(
"Invalid time '%s' (times in format 'mm:ss' cannot start with zero)",
mw.text.nowiki(length)
), INPUT_ERROR_CATEGORY)
return nil
end
end

-- Add a warning and return if we did not find a match.
if not seconds then
self:addWarning(string.format(
"Invalid time '%s' (times must be in a format of 'm:ss', 'mm:ss' or 'h:mm:ss')",
mw.text.nowiki(length)
), INPUT_ERROR_CATEGORY)
return nil
end

-- Check that the minutes are less than 60 if we have an hours field.
if hours and tonumber(minutes) >= 60 then
self:addWarning(string.format(
"Invalid track length '%s' (if hours are specified, the number of minutes must be less than 60)",
mw.text.nowiki(length)
), INPUT_ERROR_CATEGORY)
return nil
end

-- Check that the seconds are less than 60
if tonumber(seconds) >= 60 then
self:addWarning(string.format(
"Invalid track length '%s' (number of seconds must be less than 60)",
mw.text.nowiki(length)
), INPUT_ERROR_CATEGORY)
end

return nil
end

--------------------------------------------------------------------------------
-- Track class
--------------------------------------------------------------------------------

local Track = {}
Track.__index = Track
addMixin(Track, Validation)

Track.fields = {
number = true,
title = true,
note = true,
length = true,
lyrics = true,
music = true,
writer = true,
extra = true,
}

Track.cellMethods = {
number = 'makeNumberCell',
title = 'makeTitleCell',
writer = 'makeWriterCell',
lyrics = 'makeLyricsCell',
music = 'makeMusicCell',
extra = 'makeExtraCell',
length = 'makeLengthCell',
}

function Track.new(data)
local self = setmetatable({}, Track)
Validation.init(self)
for field in pairs(Track.fields) do
self[field] = data[field]
end
self.number = assert(tonumber(self.number))
self:validateLength(self.length)
return self
end

function Track:getLyricsCredit()
return self.lyrics
end

function Track:getMusicCredit()
return self.music
end

function Track:getWriterCredit()
return self.writer
end

function Track:getExtraField()
return self.extra
end

-- Note: called with single dot syntax
function Track.makeSimpleCell(wikitext)
return mw.html.create('td')
:css('vertical-align', 'top')
:wikitext(wikitext or ' ')
end

function Track:makeNumberCell()
return mw.html.create('th')
:attr('id', 'track' .. self.number)
:attr('scope', 'row')
:css('padding-right', '10px')
:css('text-align', 'right')
:css('vertical-align', 'top')
:css('font-weight', 'normal')
:wikitext(self.number .. '.')
end

function Track:makeTitleCell()
local titleCell = mw.html.create('td')
titleCell
:css('vertical-align', 'top')
:wikitext(self.title and string.format('"%s"', self.title) or 'Untitled')
if self.note then
titleCell
:wikitext(' ')
:tag('span')
:wikitext(string.format('(%s)', self.note))
end
return titleCell
end

function Track:makeWriterCell()
return Track.makeSimpleCell(self.writer)
end

function Track:makeLyricsCell()
return Track.makeSimpleCell(self.lyrics)
end

function Track:makeMusicCell()
return Track.makeSimpleCell(self.music)
end

function Track:makeExtraCell()
return Track.makeSimpleCell(self.extra)
end

function Track:makeLengthCell()
return mw.html.create('td')
:css('padding-right', '10px')
:css('text-align', 'right')
:css('vertical-align', 'top')
:wikitext(self.length or ' ')
end

function Track:exportRow(options)
options = options or {}
local columns = options.columns or {}
local row = mw.html.create('tr')
row:css('background-color', options.color or '#fff')
for i, column in ipairs(columns) do
local method = Track.cellMethods[column]
if method then
row:node(self[method](self))
end
end
return row
end

--------------------------------------------------------------------------------
-- TrackListing class
--------------------------------------------------------------------------------

local TrackListing = {}
TrackListing.__index = TrackListing
addMixin(TrackListing, Validation)

TrackListing.fields = {
headline = true,
all_writing = true,
all_lyrics = true,
all_music = true,
extra_column = true,
total_length = true,
title_width = true,
writing_width = true,
lyrics_width = true,
music_width = true,
extra_width = true,
category = true,
}

TrackListing.deprecatedFields = {
writing_credits = true,
lyrics_credits = true,
music_credits = true,
}

function TrackListing.new(data)
local self = setmetatable({}, TrackListing)
Validation.init(self)

-- Check for deprecated arguments
for deprecatedField in pairs(TrackListing.deprecatedFields) do
if data[deprecatedField] then
self:addCategory('Track listings with deprecated parameters')
break
end
end

-- Validate total length
if data.total_length then
self:validateLength(data.total_length)
end

-- Add properties
for field in pairs(TrackListing.fields) do
self[field] = data[field]
end

-- Evaluate boolean properties
self.showCategories = yesno(self.category) ~= false
self.category = nil

-- Make track objects
self.tracks = {}
for i, trackData in ipairs(data.tracks or {}) do
table.insert(self.tracks, Track.new(trackData))
end

-- Find which of the optional columns we have.
-- We could just check every column for every track object, but that would
-- be no fun^H^H^H^H^H^H inefficient, so we use four different strategies
-- to try and check only as many columns and track objects as necessary.
do
local optionalColumns = {}
local columnMethods = {
lyrics = 'getLyricsCredit',
music = 'getMusicCredit',
writer = 'getWriterCredit',
extra = 'getExtraField',
}
local doneWriterCheck = false
for i, trackObj in ipairs(self.tracks) do
for column, method in pairs(columnMethods) do
if trackObj[method](trackObj) then
optionalColumns[column] = true
columnMethods[column] = nil
end
end
if not doneWriterCheck and optionalColumns.writer then
doneWriterCheck = true
optionalColumns.lyrics = nil
optionalColumns.music = nil
columnMethods.lyrics = nil
columnMethods.music = nil
end
if not next(columnMethods) then
break
end
end
self.optionalColumns = optionalColumns
end

return self
end

function TrackListing:makeIntro()
if self.all_writing then
return string.format(
'All tracks are written by %s.',
self.all_writing
)
elseif self.all_lyrics and self.all_music then
return string.format(
'All lyrics are written by %s; all music is composed by %s.',
self.all_lyrics,
self.all_music
)
elseif self.all_lyrics then
return string.format(
'All lyrics are written by %s.',
self.all_lyrics
)
elseif self.all_music then
return string.format(
'All music is composed by %s.',
self.all_music
)
else
return ''
end
end

function TrackListing:renderTrackingCategories()
if not self.showCategories or mw.title.getCurrentTitle().namespace ~= 0 then
return ''
end

local ret = ''

local function addCategory(cat)
ret = ret .. string.format('[[Category:%s]]', cat)
end

for i, category in ipairs(self:getCategories()) do
addCategory(category)
end

for i, track in ipairs(self.tracks) do
for j, category in ipairs(track:getCategories()) do
addCategory(category)
end
end

return ret
end

function TrackListing:renderWarnings()
if not SHOW_WARNINGS then
return ''
end

local ret = {}

local function addWarning(msg)
table.insert(ret, string.format(
'<strong class="error">Track listing error: %s</strong>',
msg
))
end

for i, warning in ipairs(self:getWarnings()) do
addWarning(warning)
end

for i, track in ipairs(self.tracks) do
for j, warning in ipairs(track:getWarnings()) do
addWarning(warning)
end
end

return table.concat(ret, '<br>')
end

function TrackListing:__tostring()
-- Find columns to output
local columns = {'number', 'title'}
if self.optionalColumns.writer then
columns[#columns + 1] = 'writer'
else
if self.optionalColumns.lyrics then
columns[#columns + 1] = 'lyrics'
end
if self.optionalColumns.music then
columns[#columns + 1] = 'music'
end
end
if self.optionalColumns.extra then
columns[#columns + 1] = 'extra'
end
columns[#columns + 1] = 'length'

-- Find colspan and column width
local nColumns = #columns
local nOptionalColumns = nColumns - 3
local titleColumnWidth
if nColumns >= 5 then
titleColumnWidth = 40
elseif nColumns >= 4 then
titleColumnWidth = 60
else
titleColumnWidth = 100
end
local optionalColumnWidth = (100 - titleColumnWidth) / nOptionalColumns
titleColumnWidth = titleColumnWidth .. '%'
optionalColumnWidth = optionalColumnWidth .. '%'

-- Root of the output
local root = mw.html.create()

-- Intro
root:node(self:makeIntro())

-- Start of track listing table
local tableRoot = root:tag('table')
tableRoot
:addClass('tracklist')
:css('display', 'block')
:css('border-spacing', '0px')

-- Header row
if self.headline then
tableRoot:tag('caption')
:addClass('tlheader mbox-text')
:attr('colspan', nColumns)
:css('text-align', 'left')
:css('background-color', '#fff')
:css('font-weight', '700')
:wikitext(self.headline or 'Track listing')
end

-- Deprecated collapsed parameter
if self.collapsed then
self:addWarning("Deprecated collapsed parameter in use", COLLAPSED_PARAMETER_CATEGORY);
end

-- Headers
local headerRow = tableRoot:tag('tr')

---- Track number
headerRow
:tag('th')
:addClass('tlheader')
:attr('scope', 'col')
:css('width', '2em')
:css('padding-left', '10px')
:css('padding-right', '10px')
:css('text-align', 'right')
:css('background-color', '#eee')
:tag('abbr')
:attr('title', 'Number')
:wikitext('No.')

---- Title
headerRow:tag('th')
:addClass('tlheader')
:attr('scope', 'col')
:css('width', self.title_width or titleColumnWidth)
:css('text-align', 'left')
:css('background-color', '#eee')
:wikitext('Title')

---- Optional headers: writer, lyrics, music, and extra
local function addOptionalHeader(field, headerText, width)
if self.optionalColumns[field] then
headerRow:tag('th')
:addClass('tlheader')
:attr('scope', 'col')
:css('width', width or optionalColumnWidth)
:css('text-align', 'left')
:css('background-color', '#eee')
:wikitext(headerText)
end
end
addOptionalHeader('writer', 'Writer(s)', self.writing_width)
addOptionalHeader('lyrics', 'Lyrics', self.lyrics_width)
addOptionalHeader('music', 'Music', self.music_width)
addOptionalHeader(
'extra',
self.extra_column or '{{{extra_column}}}',
self.extra_width
)

---- Track length
headerRow:tag('th')
:addClass('tlheader')
:attr('scope', 'col')
:css('width', '4em')
:css('padding-right', '10px')
:css('text-align', 'right')
:css('background-color', '#eee')
:wikitext('Length')

-- Tracks
for i, track in ipairs(self.tracks) do
tableRoot:node(track:exportRow({
columns = columns,
color = i % 2 == 0 and '#f7f7f7' or '#fff'
}))
end

-- Total length
if self.total_length then
tableRoot
:tag('tr')
:tag('th')
:attr('colspan', nColumns - 1)
:attr('scope', 'row')
:css('padding', 0)
:tag('span')
:css('width', '7.5em')
:css('float', 'right')
:css('padding-left', '10px')
:css('background-color', '#eee')
:css('margin-right', '2px')
:wikitext("Total length:")
:done()
:done()
:tag('td')
:css('padding', '0 10px 0 0')
:css('text-align', 'right')
:css('background-color', '#eee')
:wikitext(string.format("'''%s'''", self.total_length))
end

-- Warnings and tracking categories
root:wikitext(self:renderWarnings())
root:wikitext(self:renderTrackingCategories())

return tostring(root)
end

--------------------------------------------------------------------------------
-- Exports
--------------------------------------------------------------------------------

local p = {}

function p._main(args)
-- Process numerical args so that we can iterate through them.
local data, tracks = {}, {}
for k, v in pairs(args) do
if type(k) == 'string' then
local prefix, num = k:match('^(%D.-)(%d+)$')
if prefix and Track.fields[prefix] and (num == '0' or num:sub(1, 1) ~= '0') then
-- Allow numbers like 0, 1, 2 ..., but not 00, 01, 02...,
-- 000, 001, 002... etc.
num = tonumber(num)
tracks[num] = tracks[num] or {}
tracks[num][prefix] = v
else
data[k] = v
end
end
end
data.tracks = (function (t)
-- Compress sparse array
local ret = {}
for num, trackData in pairs(t) do
trackData.number = num
table.insert(ret, trackData)
end
table.sort(ret, function (t1, t2)
return t1.number < t2.number
end)
return ret
end)(tracks)

return tostring(TrackListing.new(data))
end

function p.main(frame)
local args = require('Module:Arguments').getArgs(frame, {
wrappers = 'Template:Track listing'
})
return p._main(args)
end

return p

Module:Track listing - Revision history

Wikipedia>Gonnym: debold per talk page