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Модуль:ТранспортнаяСхема

Материал из MURS вики

Для документации этого модуля может быть создана страница Модуль:ТранспортнаяСхема/doc

local p = {}

-- Извлечение аргументов вызова
local function getArgs(frame)
    local args = {}
    if frame.getParent then
        local parent = frame:getParent()
        if parent and parent.args then
            for k, v in pairs(parent.args) do args[k] = v end
        end
    end
    if frame.args then
        for k, v in pairs(frame.args) do args[k] = v end
    end
    return args
end

-- Загрузка данных из data.json
local function loadData(args)
    local dataParam = args['данные'] or args[1] or 'Муроморского'
    local candidates = {
        dataParam,
        'Шаблон:Интерактивная схема ' .. dataParam .. ' метрополитена/data.json',
        'Шаблон:Интерактивная схема ' .. dataParam .. '/data.json',
        'Шаблон:' .. dataParam .. '/data.json',
        dataParam .. '/data.json'
    }
    
    for _, title in ipairs(candidates) do
        local success, jsonData = pcall(mw.loadJsonData, title)
        if success and jsonData then return jsonData end
        
        local titleObj = mw.title.new(title)
        if titleObj and titleObj.exists then
            local raw = titleObj:getContent()
            if raw and raw ~= '' then
                raw = mw.ustring.gsub(raw, '<noinclude>.-</noinclude>', '')
                raw = mw.ustring.gsub(raw, '<!--.-?-->', '')
                local ok, decoded = pcall(mw.text.jsonDecode, mw.text.trim(raw))
                if ok and decoded then return decoded end
            end
        end
    end
    error('Страница данных JSON не найдена: ' .. dataParam)
end

-- Парсер координат "X Y"
local function parseCoords(str)
    if not str then return nil, nil end
    local x, y = mw.ustring.match(str, '(%d+%.?%d*)%s+(%d+%.?%d*)')
    return tonumber(x), tonumber(y)
end

-- Генерация карты на чистом HTML/CSS
function p.canvas(frame)
    local args = getArgs(frame)
    local data = loadData(args)
    
    local mapWidth = tonumber(args['ширина'] or 850) or 850
    local mapHeight = tonumber(args['высота'] or 620) or 620
    
    local out = mw.html.create('div')
        :addClass('ts-html-transport-map')
        :css({
            ['position'] = 'relative',
            ['width'] = mapWidth .. 'px',
            ['height'] = mapHeight .. 'px',
            ['max-width'] = '100%',
            ['background-color'] = '#ffffff',
            ['background-image'] = 'radial-gradient(#e1e4e8 1px, transparent 1px)',
            ['background-size'] = '24px 24px',
            ['border'] = '1px solid #d0d7de',
            ['border-radius'] = '10px',
            ['overflow'] = 'hidden',
            ['margin'] = '0 auto',
            ['user-select'] = 'none',
            ['box-shadow'] = '0 3px 10px rgba(0,0,0,0.04)',
            ['font-family'] = "-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif"
        })

    -- Плашка логотипа в левом верхнем углу
    local header = out:tag('div')
        :css({
            ['position'] = 'absolute',
            ['top'] = '16px',
            ['left'] = '18px',
            ['display'] = 'flex',
            ['align-items'] = 'center',
            ['gap'] = '10px',
            ['z-index'] = '5',
            ['background'] = 'rgba(255,255,255,0.92)',
            ['padding'] = '6px 12px',
            ['border-radius'] = '8px',
            ['border'] = '1px solid #e1e4e8',
            ['box-shadow'] = '0 2px 6px rgba(0,0,0,0.04)'
        })
    header:tag('div')
        :css({
            ['width'] = '24px',
            ['height'] = '24px',
            ['background'] = '#ED1B24',
            ['color'] = '#fff',
            ['font-weight'] = 'bold',
            ['font-size'] = '13px',
            ['display'] = 'flex',
            ['align-items'] = 'center',
            ['justify-content'] = 'center',
            ['border-radius'] = '50%'
        }):wikitext('M')
    header:tag('div')
        :css({['text-align'] = 'left'})
        :tag('div'):css({['font-weight'] = 'bold', ['font-size'] = '13px', ['color'] = '#1f2328'}):wikitext(data.title or 'Муроморский скоростной транспорт'):done()
        :tag('div'):css({['font-size'] = '10px', ['color'] = '#57606a', ['text-transform'] = 'uppercase', ['letter-spacing'] = '0.5px'}):wikitext('Интерактивная схема линий'):done()

    if data.lines then
        -- 1. Слой путей (линий между станциями)
        for _, line in ipairs(data.lines) do
            local color = line.color or '#888888'
            local stations = line.stations or {}
            
            for i = 1, #stations - 1 do
                local st1, st2 = stations[i], stations[i+1]
                local x1, y1 = parseCoords(st1.coords)
                local x2, y2 = parseCoords(st2.coords)
                
                if x1 and y1 and x2 and y2 then
                    local dx = x2 - x1
                    local dy = y2 - y1
                    local length = math.sqrt(dx * dx + dy * dy)
                    local angle = math.deg(math.atan2(dy, dx))
                    local isFuture = (st1.future and st2.future)
                    
                    local track = out:tag('div')
                        :css({
                            ['position'] = 'absolute',
                            ['left'] = x1 .. 'px',
                            ['top'] = (y1 - 3) .. 'px',
                            ['width'] = length .. 'px',
                            ['height'] = isFuture and '0px' or '6px',
                            ['background-color'] = isFuture and 'transparent' or color,
                            ['border-top'] = isFuture and ('5px dashed ' .. color) or 'none',
                            ['transform-origin'] = '0 50%',
                            ['transform'] = 'rotate(' .. angle .. 'deg)',
                            ['border-radius'] = '3px',
                            ['z-index'] = '1',
                            ['pointer-events'] = 'none'
                        })
                end
            end
        end

        -- 2. Слой станций и подписей
        for _, line in ipairs(data.lines) do
            local color = line.color or '#888888'
            
            for _, st in ipairs(line.stations or {}) do
                local x, y = parseCoords(st.coords)
                if x and y then
                    local name = st.name or st.article or ''
                    local article = st.article or name
                    local isFuture = (st.future == true)
                    
                    -- Кружок станции
                    local node = out:tag('div')
                        :css({
                            ['position'] = 'absolute',
                            ['left'] = (x - 7) .. 'px',
                            ['top'] = (y - 7) .. 'px',
                            ['width'] = '14px',
                            ['height'] = '14px',
                            ['border-radius'] = '50%',
                            ['background-color'] = '#ffffff',
                            ['border'] = isFuture and ('2.5px dashed ' .. color) or ('3px solid ' .. color),
                            ['box-sizing'] = 'border-box',
                            ['box-shadow'] = '0 1px 3px rgba(0,0,0,0.25)',
                            ['z-index'] = '3',
                            ['cursor'] = 'pointer'
                        })
                    node:wikitext('[[' .. article .. '|<span style="display:block;width:100%;height:100%;" title="' .. name .. '"></span>]]')
                    
                    -- Текстовая подпись станции
                    local isRightSide = (x >= 430)
                    local label = out:tag('div')
                        :css({
                            ['position'] = 'absolute',
                            ['left'] = isRightSide and ((x + 11) .. 'px') or ((x - 11) .. 'px'),
                            ['top'] = y .. 'px',
                            ['transform'] = isRightSide and 'translateY(-50%)' or 'translate(-100%, -50%)',
                            ['text-align'] = isRightSide and 'left' or 'right',
                            ['white-space'] = 'nowrap',
                            ['font-size'] = '11.5px',
                            ['font-weight'] = '500',
                            ['z-index'] = '4',
                            ['text-shadow'] = '0 0 3px #ffffff, 0 0 3px #ffffff, 0 0 3px #ffffff, 0 0 4px #ffffff'
                        })
                    
                    local labelStyle = isFuture and 'color: #6e7781; font-style: italic; text-decoration: none;' or 'color: #1f2328; text-decoration: none;'
                    label:wikitext('[[' .. article .. '|<span style="' .. labelStyle .. '">' .. name .. '</span>]]')
                end
            end
        end
    end

    return tostring(out)
end

return p