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Module:DropList

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Revision as of 04:56, 17 October 2015 by がか (talk | contribs)
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Documentation for this module may be created at Module:DropList/doc

local getArgs = require('Module:GetArgs')

local DropList = {}

local args_grammar = {
	to_trim        = '^%s*(.-)%s*$',
	comma_list     = '[^,]+',
	ship_and_nodes = '^%s*(.-)%s*:%s*(.-)%s*$',
	just_node      = '^%s*(%a)%s*$',
	node_and_diff  = '^%s*(%a)%s*/%s*(%S-)%s*$'
}

local diff_colors = {
	['Easy']   = '5a5',
	['Medium'] = 'da6',
	['Hard']   = 'd33',
	['?']      = '0ff'
}

local diff_names = {
	['Easy']   = 'Easy+',
	['Medium'] = 'Medium+',
	['Hard']   = 'Hard+',
	['?']      = '?'
}

function parseArgs(args)

	local tbl = { nodes = {}, rows = {} }

	-- header args
	for node in string.gmatch(args.nodes, args_grammar.comma_list) do
		local node = node:match(args_grammar.to_trim)
		table.insert(tbl.nodes, { name = node, boss = node == args.boss })
	end

	-- ship args
	for arg_name, arg in pairs(args) do
		if tonumber(arg_name) then
			local ship, nodes = arg:match(args_grammar.ship_and_nodes)
			-- TODO: check ship existence?
			table.insert(tbl.rows, {})
			local row = tbl.rows[#tbl.rows]
			row.id = arg_name
			row.ship = ship
			row.type = ''
			row.nodes = {}
			for _, node in pairs(tbl.nodes) do
				row.nodes[node.name] = nil
			end
			for node_and_diff in string.gmatch(nodes, args_grammar.comma_list) do
				local node, diff = node_and_diff:match(args_grammar.node_and_diff)
				if not node or not diff then
					node = node_and_diff:match(args_grammar.just_node)
					diff = nil
				end
				-- TODO: check node existence?
				if node then
					row.nodes[node] = {	color = diff and diff_colors[diff] or diff_colors['?'], diff = diff and diff_names[diff] or '?' }
				end
			end
		end
	end

	return tbl

end

local table_format = {
	header           = '{| class="wikitable sortable" align="center" width="100%" style="text-align:center"\n!Type\n!Ship\n',
	header_node      = '!width="10%%"|%s\n',
	header_boss_node = '!width="10%%" style="background-color:pink;color:red;"|\'\'\'%s\'\'\'\n',
	row              = '|-\n',
	cell             = '|%s\n',
	ship_cell        = '|[[%s]]\n',
	node_cell        = '|style="background-color:#%s;"|%s\n',
	empty_cell       = '|\n',
	footer           = '|}\n'
}

function showTable(tbl)

	local res = table_format.header

	-- header
	for _, node in pairs(tbl.nodes) do
		res = res .. string.format(node.boss and table_format.header_boss_node or table_format.header_node, node.name)
	end

	-- rows
	for key, row in pairs(tbl.rows) do
		res = res .. table_format.row
		-- res = res .. string.format(table_format.cell, row.id)
		res = res .. string.format(table_format.cell, row.type)
		res = res .. string.format(table_format.ship_cell, row.ship)
		for _, node in pairs(tbl.nodes) do
			local node = row.nodes[node.name]
			res = res .. (node and string.format(table_format.node_cell, node.color, node.diff) or table_format.empty_cell)
		end
	end

	res = res .. table_format.footer

	return res

end

function DropList.show(frame)
    local args = getArgs{frame = frame:getParent()}
	return showTable(parseArgs(args))
end

return DropList