Module:3D viewer

	This page contains usage information for Module:3D viewer.

---

local p = {}

local utils = require('Module:Utils')
local HtmlBuilder = require('Module:HtmlBuilder')

function p.viewer(frame)
    local args = utils.get_args(frame)
    local startframe = utils.processArg(args['startframe'])
    local image = utils.processArg(args['image'])
    local image_0 = utils.processArg(args['image-0'])
    local fallback = utils.processArg(args['fallback'])
    local startframe_class
    if startframe ~= '' then
        startframe_class = mw.text.trim(startframe)
    else
        startframe_class = utils.expandWikitext('{{File:' .. (image_0 or image) .. '|startframe}}')
    end
    local output_view = HtmlBuilder.create('div')
        .addClass('viewer-3d')
        .addClass('startframe-' .. startframe_class)
        .wikitext(fallback)
 --could this be shortned to .addClass('viewer-3d startframe-' .. startframe_class) ?
    for i = 0,10 do
        local image_n = utils.processArg(args['image-' .. i], '')
        if image_n ~= '' then
            span_image_url_n = output_view
                .tag('span')
                .addClass('viewer-3d-url-' .. i)
                .wikitext(utils.expandWikitext('{{File:' .. image_n .. '|url}}'))

            span_image_map_n = output_view
                .tag('span')
                .addClass('viewer-3d-map-' .. i)
                .wikitext(utils.expandWikitext('{{File:' .. image_n .. '|map}}'))
        end
    end

    local viewer_3d_frame = output_view
        .tag('div')
        .addClass('viewer-3d-frame')

    local switch_to_2d = output_view
        .tag('div')
        .attr('id', 'switch-to-2d')

    return tostring(output_view)
end

return p