local module = {}
local getArgs = require('Module:Arguments').getArgs
local shadow={}
shadow.__index=shadow
function shadow.create()
return setmetatable({},shadow)
end
function shadow:moveStep(value)
local stringBuilder={}
local d=value*self.spread*20*5
if self.rad then
self.y=d*self.y_step
self.x=d*self.x_step
stringBuilder[#stringBuilder+1]=self.vertical and ("calc("..self.y.."px + "..self.vertical..")") or self.y.."px"
stringBuilder[#stringBuilder+1]=self.horizontal and ("calc("..self.x.."px + "..self.horizontal..")") or self.x.."px"
else
stringBuilder[#stringBuilder+1]="0"
stringBuilder[#stringBuilder+1]="0"
end
stringBuilder[#stringBuilder+1]=(2+d*self.dispersity/4).."px"
if self.intensity then
stringBuilder[#stringBuilder+1]="calc("..((1-value)*self.spread/8).." * "..self.intensity..")"
end
stringBuilder[#stringBuilder+1]=self.color
if self.inset then
stringBuilder[#stringBuilder+1]=self.inset
end
return table.concat(stringBuilder," ")
end
function shadow:done()
if tonumber(self.direct) then
self.rad=math.rad(self.direct)
self.x_step=math.floor(100*math.cos(self.rad))/100
self.y_step=math.floor(100*math.sin(self.rad))/100
end
local stringBuilder={}
for i=0,self.count do
stringBuilder[#stringBuilder+1]=self:moveStep(i/self.count)
end
return table.concat(stringBuilder,",")
end
function module._main(args,isBlock)--主函数
local stepNum=1
local function step(func)
local n=stepNum
while true do
local arg=args[n]
if not arg then return nil end
local v
if func then
v=func(arg)
else
v=arg
end
if v then
stepNum=n+1
return v
end
n=n+1
end
end
local function directFilter(str)
if str=="none" then return "none" end
if str=="left" then return 270 end
if str=="right" then return 90 end
if str=="up" then return 0 end
if str=="down" then return 180 end
return tonumber(str)
end
local function valueFilter(str)
if string.match(str, "^%-?%d+%.*%d*%l*$") then return str end
end
local function numberFilter(str)
if string.match(str, "^%-?%d+%.*%d*$") then return str end
end
local function sizeFilter(str)
if string.match(str, "^%-?%d+%.*%d*%l*$") then return str end
if string.match(str, "^%-?%d+%.*%d*%%$") then return str end
end
local function tagFilter(str)
if string.match(str, "^%l*$") then return str end
end
local function insetFilter(str)
if str=="内部" or str=="inset" then return true end
end
local text =args["内容"] or args.content or step()
local shadow=shadow.create()
shadow.direct =directFilter(args["方向"] or args.direct) or step(directFilter) or "none"--none/left right up down/number
shadow.spread =tonumber(args["范围"] or args.spread or step(valueFilter)) or 1
shadow.dispersity =tonumber(args["分散"] or args.dispersity or step(numberFilter)) or 1
if isBlock then
shadow.intensity =args["强度"] or args.intensity or step(valueFilter) or "4px"
end
shadow.horizontal =args["横向偏移"] or args.horizontal or step(valueFilter)
shadow.vertical =args["纵向偏移"] or args.vertical or step(valueFilter)
shadow.inset =args["内部"] or args.inset or step(insetFilter)
shadow.color =args["颜色"] or args.color or step()
shadow.count =tonumber(args["细致值"] or args.count or step(valueFilter)) or 20
local tag
if isBlock then
tag = args["标签"] or args.tag or step(tagFilter) or "span"
else
tag = "span"
end
local node =mw.html.create(tag)
:css(isBlock and "box-shadow" or "text-shadow",shadow:done())
:wikitext(text)
if isBlock then
node :css("width",args["宽"] or args.width or step(sizeFilter))
:css("height",args["高"] or args.height or step(sizeFilter))
:cssText(args.css)
end
return node:done()
end
function module.text(frame)--文本
local args = getArgs(frame)--test ABC|red|right|1
return module._main(args,false)--test {"ABC","right","1","red"}
end
function module.block(frame)--块
local args = getArgs(frame)--test "<div style="height:20px;width:20px"></div>"|"right"|"1"|"red"
return module._main(args,true)--test {'<div style="height:20px;width:20px"></div>',"right","1","red"}
end
return module
模块文档