require('strict')
local yesno = require('Module:Yesno')
local navbox = require('Module:Navbox')._navbox
local getArgs = require('Module:Arguments').getArgs
local p = {}
-- 添加空白表格单元
local function addBlank(args, row, prev, current)
if row and prev < current then
if yesno(args.decades) == false then
row:tag('td')
:addClass('timeline-blank')
:cssText(args.blankstyle)
:attr('colspan', current - prev)
else
-- 如果顶端显示年代，将单元按照年代划分
local year = prev
while year < current do
local dur = math.min(10 - year % 10, current - year)
row:tag('td')
:addClass('timeline-blank')
:cssText(args.blankstyle)
:attr('colspan', dur)
year = year + dur
end
end
end
end
-- 获取时间线数据
local function timelineInfo(args)
local rows = {
[1] = {},
minYear = math.huge,
maxYear = -math.huge,
hasLabels = false
}
for num, fullVal in ipairs(args) do
local key, val = fullVal:match('^([a-z]+): *(.*)$')
local cellIndex = #rows[#rows]
-- Row data key value pairs
if cellIndex == 0 and key then
rows[#rows][key] = val
-- Record that there are labels
if key == 'label' then
rows.hasLabels = true
end
-- Data cell key value pairs
elseif key then
-- Data cell key value pairs
rows[#rows][cellIndex][key] = val
-- New row
elseif fullVal == '' then
if next(rows[#rows]) then
table.insert(rows, {})
end
-- Add date to cell with item already and no date
elseif cellIndex > 0
and rows[#rows][cellIndex].item
and not rows[#rows][cellIndex].startYear
then
local dates = mw.text.split(fullVal, '-', true)
local startYear = tonumber(dates[1])
local endYear = tonumber(dates[2]) or tonumber(os.date('%Y')) + 1
if startYear == nil then
error('参数' .. num .. '在无效的时间范围', 0)
end
if endYear < startYear then
error('参数' .. num .. '结束年份小于开始年份', 0)
end
rows[#rows][cellIndex].startYear = startYear
rows[#rows][cellIndex].endYear = endYear
if startYear < rows.minYear then
rows.minYear = startYear
end
if endYear > rows.maxYear then
rows.maxYear = endYear
end
-- New item
else
table.insert(rows[#rows], { item = fullVal })
end
end
-- Add overrides from arguments
if args.startoffset then
rows.minYear = rows.minYear - tonumber(args.startoffset)
end
if args.startyear and tonumber(args.startyear) < rows.minYear then
rows.minYear = tonumber(args.startyear)
end
if args.endoffset then
rows.maxYear = rows.maxYear + tonumber(args.endoffset)
end
if args.endyear and tonumber(args.endyear) > rows.maxYear then
rows.maxYear = tonumber(args.endyear)
end
return rows
end
-- Render the date rows
local function renderDates(args, tbl, rows, invert)
local showDecades = yesno(args.decades)
local yearRow = tbl:tag('tr')
:addClass('timeline-row')
-- Create label
if args.label or rows.hasLabels then
local labelCell = mw.html.create('th')
:attr('scope', 'col')
:addClass('navbox-group timeline-label')
:cssText(args.labelstyle)
:attr('rowspan', showDecades ~= false and '2' or '1')
:wikitext(args.label or '')
yearRow:node(labelCell)
end
-- Create decade row
if showDecades ~= false then
local decadeRow = tbl:tag('tr')
:addClass('timeline-row')
local year = rows.minYear
-- Move decade row
if not invert then
decadeRow, yearRow = yearRow, decadeRow
end
while year < rows.maxYear do
local dur = math.min(10 - year % 10, rows.maxYear - year)
decadeRow:tag('th')
:attr('scope', 'col')
:addClass('timeline-decade')
:cssText(args.datestyle)
:cssText(args.decadestyle)
:attr('colspan', dur)
:wikitext(math.floor(year / 10) .. '0年代')
year = year + dur
end
end
-- Populate year row element
local width = 100 / (rows.maxYear - rows.minYear)
for i = rows.minYear, rows.maxYear - 1 do
yearRow:tag('th')
:attr('scope', 'col')
:addClass('timeline-year')
:cssText(args.datestyle)
:cssText(args.yearstyle)
:cssText('width:' .. width .. '%')
:wikitext(showDecades == false and i or i % 10)
end
end
-- Render the timeline itself
local function renderTimeline(args, tbl, rows)
local rowElement = nil
local rowSuffix = nil
local prev = rows.minYear
local prevItem = nil
local prevLabel = nil
local labelSpan = 0
for rowNum, row in ipairs(rows) do
local rowElement = tbl:tag('tr')
:addClass('timeline-row')
if labelSpan <= 0 and (rows.hasLabels or args.label) then
labelSpan = tonumber(row.span) or 1
prevLabel = rowElement:tag('th')
:attr('scope', 'row')
:attr('rowspan', labelSpan)
:addClass('navbox-group timeline-label')
:cssText(args.labelstyle)
:cssText(row.labelstyle)
:wikitext(row.label)
end
labelSpan = labelSpan - 1
local prevEndYear = rows.minYear
local prevItem = nil
for cellNum, cell in ipairs(row) do
-- Shrink previous item so new item can start at the start year
if prevItem and prev > prevEndYear then
prevItem:attr('colspan', prevItem:getAttr('colspan') - prev + prevEndYear);
end
if cell.startYear == nil then
error('row ' .. rowNum .. '单元' .. cellNum .. '缺少时间范围', 0)
end
-- Add blanks before the cell
addBlank(args, rowElement, prevEndYear, cell.startYear)
prevItem = rowElement:tag('td')
:addClass('timeline-item')
:cssText(args.itemstyle)
:cssText(cell.style or '')
:attr('colspan', cell.endYear - cell.startYear)
:wikitext(cell.item)
prevEndYear = cell.endYear
end
-- Add blanks to the end of the row
addBlank(args, rowElement, prevEndYear, rows.maxYear)
end
-- Remove any extra rowspan from the label
if prevLabel and labelSpan > 0 then
prevLabel:attr('rowspan', prevLabel:getAttr('rowspan') - labelSpan);
end
end
function p.main(frame)
local args = getArgs(frame, {
removeBlanks = false,
wrappers = 'Template:Navbox timeline'
})
local targs = {
listpadding = '0'
}
-- Arguments to passthrough to navbox
local passthrough = {
'name', 'title', 'above', 'below', 'state', 'navbar', 'border', 'image',
'imageleft', 'style', 'bodystyle', 'style', 'bodystyle', 'basestyle',
'titlestyle', 'abovestyle', 'belowstyle', 'imagestyle',
'imageleftstyle', 'titleclass', 'aboveclass', 'bodyclass', 'belowclass',
'imageclass'
}
local rows = timelineInfo(args)
local wrapper = mw.html.create('table')
:addClass('timeline-wrapper')
local tbl = wrapper:tag('tr')
:tag('td')
:addClass('timeline-wrapper-cell')
:tag('table')
:addClass('timeline-table')
renderDates(args, tbl, rows)
renderTimeline(args, tbl, rows)
if yesno(args.footer) then
renderDates(args, tbl, rows, true)
end
for _, name in ipairs(passthrough) do
targs[name] = args[name]
end
targs.templatestyles = 'Module:Navbox timeline/styles.css'
targs.list1 = tostring(wrapper)
return navbox(targs)
end
return p
