76 lines
1.7 KiB
Lua
76 lines
1.7 KiB
Lua
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---@class Page
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---@field content Field[]
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---@field viewHandler nil|PageView
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local Page = {
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drawBackground = nil, ---@type nil|function void(number deltaTime)
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drawHeader = nil, ---@type nil|function void(number deltaTime)
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drawFooter = nil, ---@type nil|function void(number deltaTime)
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}
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---Create a new Page instance
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---@param o? table
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---@return Page
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function Page:new(o)
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self.__index = self
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o = o or {}
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setmetatable(o, self)
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--set instance members
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o.content = o.content or {}
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o.viewHandler = o.viewHandler or nil
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return o
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end
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---Add field to page
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---@param field Field
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function Page:addField(field)
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field.parent = self
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table.insert(self.content, field)
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end
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---Handle controller button input
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---
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---Overload this function to implement page-specific behaviour
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---@param button integer
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function Page:handleButtonInput(button)
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if button == game.BUTTON_BCK then
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if self.viewHandler then
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self.viewHandler:back()
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end
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end
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end
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---Handle controller knob input
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---
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---Overload this function to implement page-specific behaviour
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---@param knob integer
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---@param delta number
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function Page:handleKnobInput(knob, delta) end
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---Render page
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---@param deltaTime number frametime in seconds
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function Page:render(deltaTime)
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---background
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if self.drawBackground then
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self:drawBackground(deltaTime)
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end
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--render children
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for _, child in ipairs(self.content) do
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child:render(deltaTime)
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end
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---header
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if self.drawHeader then
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self:drawHeader(deltaTime)
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end
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---footer
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if self.drawFooter then
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self:drawFooter(deltaTime)
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end
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end
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return Page
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