模块:收纳表

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--理论上能调整所有的style，并可新增class
--|stab(css)   选择栏的css。曾经为select(css)
--|sitem(css)  选择栏中每个物件的css
--|ctab(css)   内容栏的css。曾经为text(css)
--|citem(css)  内容栏中每个物件的css

--[[ 非css的参数设定
splitCount      = 5:    决定每行有几个物件
textDisplay     = down: 内容相对于选择栏的位置，可输入
                        top(内容在选择栏上)
                        down(内容在选择栏下)
                        left(内容在选择栏左，此时若用户无指定，则selectWidth会被预设成20%、textWidth被设成60%、textHeight, selectHeight皆被设成400px)
                        right(内容在选择栏右，同上)
--]]

local p = {}
local notCSS = { --非CSS的参数
    textDisplay = true,
    splitCount  = true
}

--用于处理编号非连续的情况与css优先度的问题
--优先度问题如：直接塞:css(table)，margin-left被margin盖掉
--前者范围较小，因此（应该是）希望前者优先
local ordering = {
    tabIndices = {},
    div = {},
    stab = {},
    sitm = {},
    ctab = {},
    citm = {},
}

local CSSvalue = {}



--处理旧参数名与别名
local function replaceArgsName(str)
    str = str:gsub('^select', 'stab')
    str = str:gsub('^text', 'ctab')
    str = str:gsub('^sitem', '^sitm')
    str = str:gsub('^citem', '^citm')
    --[[str = str:gsub('^selecttab', 'stab')
    str = str:gsub('^selectitem', 'sitem')
    str = str:gsub('^contenttab', 'ctab')
    str = str:gsub('^contentitem', 'citem')]]--
    return str:gsub("^%u", string.lower) --第一个字小写
end



--空的数值填入预设值
local function fillWithDefaultCSS(horizontal)
    local defaults = {
        div = {class=''},
        stab = {
            class      = '',
            display    = 'grid',
            margin     = '2.5%',
            gap        = '6px',
        },
        sitm = {
            class   = '',
            margin  = '0',
            padding = '0',
            ['font-weight'] = '700',
        },
        ctab = {
            class   = '',
            display = 'inline',
            margin  = '2.5%',
            ['margin-left'] = '0',
        },
        citm = {class=''},
    }
    if horizontal then
        defaults['stab']['display'] = 'inline-grid'
        defaults['stab']['height'] = '400px'
        defaults['stab']['overflow-y'] = 'auto'
        defaults['stab']['width'] = '20%'

        defaults['ctab']['height'] = '400px'
        defaults['ctab']['overflow-y'] 'auto'
        defaults['ctab']['width'] = '60%'
    end

    for s in {'div', 'stab', 'sitm', 'ctab', 'citm'} do
        for size, dir in {height='y', width='x'} do
            if CSSvalue[s][size] then
                defaults[s]['overflow-'..dir] = 'auto'
            end
        end
        for CSS, defaultValue in defaults[s] do
            CSSvalue[s][CSS] = CSSvalue[s][CSS] or defaultValue
        end
    end
end



--处理选择栏
local function renderSelect(contents)
    local tabs_pages = mw.html.create('div')
        :addClass('tabs_pages ' .. CSSvalue['stab']['class'])
        :css('grid-template-columns',
             string.rep('1fr ', tonumber(contents['splitCount'])))

    for _, CSS in ipairs(ordering['stab']) do
        tabs_pages:css(CSS, CSSvalue['stab'][CSS])
    end

    for _, tabIndex in ipairs(ordering['tabIndices']) do
        local sitm = tabs_pages:tag('div')
            :addClass('tab ' .. CSSvalue['sitm']['class'])
            :wikitext(contents['tab' .. tabIndex])
        for _, CSS in ipairs(ordering['sitm']) do
            sitm:css(CSS, CSSvalue['sitm'][CSS])
        end
    end

    return tostring(tabs_pages)
end



--处理内容栏
local function renderContent(contents)
    local tabs_contents = mw.html.create('div')
        :addClass('tabs-contents ' .. CSSvalue['ctab']['class'])

    for _, CSS in ipairs(ordering['ctab']) do
        tabs_contents:css(CSS, CSSvalue['ctab'][CSS])
    end

    for _, tabIndex in ipairs(ordering['tabIndices']) do
        local citm = tabs_contents:tag('div')
            :addClass('tab-c ' .. CSSvalue['citm']['class'])
            :wikitext(contents['content' .. tabIndex])
        for _, CSS in ipairs(ordering['citm']) do
            citm:css(CSS, CSSvalue['citm'][CSS])
        end
    end

    return tostring(tabs_contents)
end



function p.selectTable(frame)
    local args = {}

    --获取页面传来的参数，而非模板#invoke時的参数
    local page_args = frame:getParent().args;

    --将获取的参数传给args
    for k, v in pairs(page_args) do
        if v ~= 'nil' then
            if notCSS[k] then args[k] = v
            else args[replaceArgsName(k)] = v end
        end
    end

    --处理CSSvalue
    local validArgs = {stab=true, sitm=true, ctab=true, citm=true}
    for k, v in pairs(args) do 
        k = '' .. k; v = '' .. v
        if not (notCSS[k] or k:match('^content%d+')) then
            if k:match('^tab%d+$') then
                table.insert(ordering['tabIndices'], tonumber(k:sub(4)))
            elseif validArgs[k:sub(1, 4)] then
                local prefix = k:sub(1, 4)
                local CSS = k:sub(5)
                CSSvalue[prefix][CSS] = v
            else
                CSSvalue['div'][k] = v
            end
        end
    end
    fillWithDefaultCSS(args['textDisplay']=='left' or args['textDisplay']=='right')

    --处理ordering
    for s in {'div', 'stab', 'sitm', 'ctab', 'citm'} do
        for k, _ in CSSvalue[s] do table.insert(ordering[s], k) end
        table.sort(ordering[s])
    end

    local mainDiv = mw.html.create('div')
    mainDiv:addClass('tabs-container ' .. CSSvalue['div']['class'])
    for _, divCSS in ipairs(ordering['div']) do
        mainDiv:css(divCSS, CSSvalue['div'][divCSS])
    end

    if args['textDisplay'] == 'top' or args['textDisplay'] == 'left' then
        mainDiv:node(renderContent(args))
        mainDiv:node(renderSelect(args))
    else
        mainDiv:node(renderSelect(args))
        mainDiv:node(renderContent(args))
    end

    return tostring(mainDiv)
end

return p