Modul:PopulationChart

Dokumentacija modula

prikaži • uredi • povijest • osvježi

---

local p = {}

-- Čišćenje skrivenih znakova i prelamanje po zarezu
local function splitCSV(str)
    local t = {}
    if not str then return t end
    str = string.gsub(str, "<!--.--->", "")
    for value in string.gmatch(str, "([^,]+)") do
        value = string.gsub(value, "[%s%c]", "")
        local num = tonumber(value)
        if num then
            table.insert(t, num)
        end
    end
    return t
end

function p.render(frame)
    local args = frame:getParent() and frame:getParent().args or frame.args
    local years = splitCSV(args.years)
    local pops  = splitCSV(args.pops)
    local n = #years

    if n == 0 or #pops ~= n then
        return '<strong class="error">Greška u grafikonu: Broj godina i stanovnika se ne podudara.</strong>'
    end

    local barColor = args.line_color or "#3366cc"

    -- Statistika
    local maxv = pops[1]
    local minv = pops[1]
    local sum  = 0
    for _, v in ipairs(pops) do
        if v > maxv then maxv = v end
        if v < minv then minv = v end
        sum = sum + v
    end
    local divisor = maxv > 0 and maxv or 1

    local lang = mw.language.getContentLanguage()

    -- Početak tablice
    local html = {}
    table.insert(html, '<table class="wikitable" style="width:100%; max-width:500px; font-size:90%; margin:10px 0;">')
    table.insert(html, '<tr><th style="width:20%; text-align:center;">Godina</th><th style="width:30%; text-align:right;">Stanovnika</th><th style="width:50%;">Trend</th></tr>')

    -- Redovi (izbjegnut bilo kakav format, čisto spajanje)
    for i = 1, n do
        local percentage = math.floor((pops[i] / divisor) * 100)
        local pctString = tostring(percentage) .. "%"
        
        local trendIndicator = ""
        if i > 1 then
            if pops[i] > pops[i-1] then
                trendIndicator = ' <span style="color:#28a745;">▲</span>'
            elseif pops[i] < pops[i-1] then
                trendIndicator = ' <span style="color:#dc3545;">▼</span>'
            else
                trendIndicator = ' <span style="color:#6c757d;">■</span>'
            end
        end

        local formattedPop = lang:formatNum(pops[i])
        local currentYear = tostring(years[i])

        local row = '<tr>' ..
            '<td style="text-align:center; font-weight:bold; background:#f8f9fa;">' .. currentYear .. '</td>' ..
            '<td style="text-align:right; white-space:nowrap; padding-right:8px;">' .. formattedPop .. trendIndicator .. '</td>' ..
            '<td style="vertical-align:middle; padding:4px 8px;">' ..
                '<div style="background:#e9ecef; border-radius:2px; width:100%; height:12px;">' ..
                    '<div style="background:' .. barColor .. '; width:' .. pctString .. '; height:100%; border-radius:2px;"></div>' ..
                '</div>' ..
            '</td>' ..
        '</tr>'
        
        table.insert(html, row)
    end

    -- Dno tablice
    local formattedAvg = lang:formatNum(math.floor(sum / n))
    local formattedMin = lang:formatNum(minv)
    local formattedMax = lang:formatNum(maxv)
    
    local footer = '<tr style="background:#f8f9fa; font-weight:bold; border-top:2px solid #a2a9b1;">' ..
        '<td colspan="3" style="font-size:85%; padding:6px; color:#54595d;">' ..
            'Ukupno popisa: ' .. tostring(n) .. ' | Prosjek: ' .. formattedAvg .. ' | Raspon: ' .. formattedMin .. ' - ' .. formattedMax ..
        '</td>' ..
    '</tr>'
    
    table.insert(html, footer)
    table.insert(html, '</table>')

    return table.concat(html, "\n")
end

return p