Files
rojo/plugin/src/Components/FitText.lua
2019-01-04 11:54:12 -08:00

52 lines
1.3 KiB
Lua

local TextService = game:GetService("TextService")
local Roact = require(script:FindFirstAncestor("Rojo").Roact)
local Dictionary = require(script.Parent.Parent.Dictionary)
local e = Roact.createElement
local FitText = Roact.Component:extend("FitText")
function FitText:init()
self.sizeBinding, self.setSize = Roact.createBinding(UDim2.new())
end
function FitText:render()
local kind = self.props.Kind
local containerProps = Dictionary.merge(self.props, {
Kind = Dictionary.None,
Padding = Dictionary.None,
MinSize = Dictionary.None,
Size = self.sizeBinding
})
return e(kind, containerProps)
end
function FitText:didMount()
self:updateTextMeasurements()
end
function FitText:didUpdate()
self:updateTextMeasurements()
end
function FitText:updateTextMeasurements()
local minSize = self.props.MinSize or Vector2.new(0, 0)
local padding = self.props.Padding or Vector2.new(0, 0)
local text = self.props.Text or ""
local font = self.props.Font or Enum.Font.Legacy
local textSize = self.props.TextSize or 12
local measuredText = TextService:GetTextSize(text, textSize, font, Vector2.new(9e6, 9e6))
local totalSize = UDim2.new(
0, math.max(minSize.X, padding.X * 2 + measuredText.X),
0, math.max(minSize.Y, padding.Y * 2 + measuredText.Y))
self.setSize(totalSize)
end
return FitText