Ekatra Foundation

Module:Tree chart: Difference between revisions

Module:Tree chart (view source)

Revision as of 14:34, 9 November 2025

983 bytes removed ,  9 November
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-- Module:Tree chart
-- Module:Tree chart
-- Renders small table-based "tree" pieces using Module:Tree chart/data
-- Defensive renderer for table-based tree pieces
require('strict')
-- Avoids hard require('strict') so it won't fail on installs without that library.
 
-- try to load 'strict' if available, but don't error if it's missing
pcall(function() require('strict') end)


local p = {}
local p = {}
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local cells = mw.loadData('Module:Tree chart/data')
local cells = mw.loadData('Module:Tree chart/data')


-- internal renderer: accept an array of cell_args where each entry is either:
-- internal renderer: accepts an array where each entry is either:
--  * a string (symbol key found in `cells`) or
--  * a string key (looks up cells[key]) or
--  * a table describing a custom cell (text, colspan, rowspan, etc)
--  * a table describing a custom cell (text, colspan, rowspan, etc)
function p._main(cell_args)
function p._main(cell_args)
    -- create outer fragment and a table wrapper so TRs are valid HTML
     local ret = mw.html.create()
     local ret = mw.html.create()
     local tbl = ret:tag('table')
     local tbl = ret:tag('table')
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                 :css{ borderCollapse = 'collapse', ['vertical-align'] = 'top' }
                 :css{ borderCollapse = 'collapse', ['vertical-align'] = 'top' }


    -- two-row design (top and bottom)
     local top = tbl:tag('tr'):css{ height = '1px', ['text-align'] = 'center' }
     local top = tbl:tag('tr'):css{ height = '1px', ['text-align'] = 'center' }
     local bottom = tbl:tag('tr'):css{ height = '1px', ['text-align'] = 'center' }
     local bottom = tbl:tag('tr'):css{ height = '1px', ['text-align'] = 'center' }
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             local celldef = cells[v]
             local celldef = cells[v]
             if celldef then
             if celldef then
                -- celldef.t / celldef.b in Module:Tree chart/data are strings with <td> elements
                 if celldef.t then
                 if celldef.t then
                     top:wikitext(celldef.t)
                     top:wikitext(celldef.t)
                 else
                 else
                    -- keep structure by emitting an empty cell
                     top:tag('td'):wikitext('')
                     top:tag('td'):wikitext('')
                 end
                 end
                 if celldef.b then
                 if celldef.b then
                     bottom:wikitext(celldef.b)
                     bottom:wikitext(celldef.b)
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                 end
                 end
             else
             else
                 -- unknown symbol: emit empty placeholders so columns align
                 -- unknown symbol => placeholder cells so columns align
                 top:tag('td'):wikitext('')
                 top:tag('td'):wikitext('')
                 bottom:tag('td'):wikitext('')
                 bottom:tag('td'):wikitext('')
             end
             end
         else
         else
             -- custom cell supplied from unnamed params (table with text, colspan, rowspan, etc)
             -- custom cell (table) from unnamed params
             local colspan = v.colspan or cell_args.colspan or 6
             local colspan = v.colspan or cell_args.colspan or 6
             local rowspan = v.rowspan or cell_args.rowspan or 2
             local rowspan = v.rowspan or cell_args.rowspan or 2
             local border = (v.border or cell_args.border or '2') .. 'px solid'
             local border = (v.border or cell_args.border or '2') .. 'px solid'


            -- render the custom cell into the top row
             top:tag('td')
             top:tag('td')
                 :attr{ colspan = tostring(colspan), rowspan = tostring(rowspan) }
                 :attr{ colspan = tostring(colspan), rowspan = tostring(rowspan) }
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                 :wikitext(v.text or '')
                 :wikitext(v.text or '')


            -- if rowspan covers both rows then we do not need a placeholder in bottom.
            -- if rowspan < 2 then add an empty td on the bottom row to preserve column counts
             if tonumber(rowspan) == nil or tonumber(rowspan) < 2 then
             if tonumber(rowspan) == nil or tonumber(rowspan) < 2 then
                 bottom:tag('td'):wikitext('')
                 bottom:tag('td'):wikitext('')
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end
end


-- public entry point used by Template:Tree chart wrapper
function p.main(frame)
function p.main(frame)
     local args = require('Module:Arguments').getArgs(frame, {
     local args = require('Module:Arguments').getArgs(frame, {
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     })
     })


    -- carry through some global defaults to the constructed cell_args
     local cell_args = {
     local cell_args = {
         colspan = args.colspan,
         colspan = args.colspan,
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     }
     }


    -- iterate positional/unnamed params in order
     for _, val in ipairs(args) do
     for _, val in ipairs(args) do
        -- normalize leading/trailing whitespace
         local trimmedVal = val:match('^%s*(.-)%s*$')
         local trimmedVal = val:match('^%s*(.-)%s*$')
         if trimmedVal == '' then
         if trimmedVal == '' then
             trimmedVal = '$' -- preserve blank cells using $ key as in your data module
             trimmedVal = '$'
         end
         end


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             table.insert(cell_args, trimmedVal)
             table.insert(cell_args, trimmedVal)
         else
         else
            -- handle unnamed params that may be named keys (param1 could contain "name=value")
            -- right-trim only to match how Template params behave
             local rightTrimmedVal = val:gsub('%s+$','')
             local rightTrimmedVal = val:gsub('%s+$','')
            -- prepare a custom cell table with possible per-cell overrides
             local custom = {
             local custom = {
                 text = args[trimmedVal] or ('{{{'..trimmedVal..'}}}'),
                 text = args[trimmedVal] or ('{{{'..trimmedVal..'}}}'),
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     end
     end


    -- render and return HTML string
     return p._main(cell_args)
     return p._main(cell_args)
end
end


return p
return p
Retrieved from "https://wiki.ekatrafoundation.org/wiki/Special:MobileDiff/103252"