Modifica di Modulo:Materialize colors examples

--- Module created to generate the examples in this page:
-- [[Template:Materialize colors]]

--
-- CLASSES
--

---
-- Simple class describing a MaterialFlavor (e.g. "darken-2")
---
local MaterialFlavor = {}
MaterialFlavor.__index = MaterialFlavor

---
-- Simple class describing a MaterialColorFlavor (e.g. "red darken-2")
---
local MaterialColorFlavor = {}
MaterialColorFlavor.__index = MaterialColorFlavor

---
-- Simple class describing a MaterialColor (e.g. "red")
---
local MaterialColor = {}
MaterialColor.__index = MaterialColor

---
--- METHODS
---

---
-- Constructor for a MaterialFlavor
-- @param name name of the color flavor (e.g. "darken-2")
-- @param isDark whenever it's a dark flavor or not (e.g. true)
-- @return MaterialFlavor
function MaterialFlavor:new( name, isDark )
	local materialFlavor = {
		name   = name,
		isDark = isDark or false,
	}
	setmetatable( materialFlavor, MaterialFlavor )
	return materialFlavor
end

---
-- Constructor for a MaterialColorFlavor
-- @param color name of the color e.g. 'red'
-- @param flavor reference to a MaterialFlavor
-- @return MaterialColorFlavor
function MaterialColorFlavor:new( color, flavor )
	local materialColorFlavor = {
		color  = color,
		flavor = flavor,
	}
	setmetatable( materialColorFlavor, MaterialColorFlavor )
	return materialColorFlavor
end

---
-- Get the CSS class name for the text
-- @return string
function MaterialColorFlavor:getTextCSSClass()
	return self.flavor.isDark and 'white-text' or nil
end

---
-- Constructor for a MaterialColorFlavor
-- @param color name of the color e.g. 'red'
-- @param flavor reference to a MaterialFlavor
-- @return string
function MaterialColorFlavor:getContainerCSSClass()
	local s = self.color

	if self.flavor.name ~= nil then
		s = s + " " + self.flavor.name
	end
	
	return s
end

---
-- Get the container's CSS class, plus the text class (if any)
-- @param color name of the color e.g. 'red'
-- @param flavor reference to a MaterialFlavor
-- @return string
function MaterialColorFlavor:getContainerCSSClassAndTextClass()
	local s = self:getContainerCSSClassSimple()
	local extraCSSClass = self:getTextCSSClass()
	if extraCSSClass ~= nil then
		s = s + " " + extraCSSClass
	end
	return s
end

--- Constructor for a MaterialColor
-- @param color name of the color e.g. 'red'
function MaterialColor:new( color )
	local materialColor = {
		color  = color,
	}
	setmetatable( materialColor, MaterialColor )
	return materialColor
end

--- Get all the color flavors
-- @param color name of the color e.g. 'red'
function MaterialColor:getColorFlavors( )
	local flavors = {}
	for i, flavor in pairs( KNOWN_FLAVORS ) do
		flavors[ i ] = MaterialColorFlavor:new( self.color, flavor )
	end
	return flavors
end

---
--- CONSTANTS
---

--- a complete array of generic color flavors
local KNOWN_FLAVORS = {
	MaterialFlavor:new( "lighten-5" ),
	MaterialFlavor:new( "lighten-4" ),
	MaterialFlavor:new( "lighten-3" ),
	MaterialFlavor:new( "lighten-2" ),
	MaterialFlavor:new( nil         ), -- default color
	MaterialFlavor:new( "darken-1", true ),
	MaterialFlavor:new( "darken-2", true ),
	MaterialFlavor:new( "darken-3", true ),
	MaterialFlavor:new( "darken-4", true ),
	MaterialFlavor:new( "accent-1" ),
	MaterialFlavor:new( "accent-2" ),
	MaterialFlavor:new( "accent-3" ),
	MaterialFlavor:new( "accent-4" ),
}

-- create a new package
local p = {}

--- main method
function p.main( frame )

	local s = ''

	-- inherit the frame
	frame = frame or mw.getCurrentFrame()

	-- color argument
	local color = frame.color

	local materialColor = MaterialColor:new( color )

	local apix = "\""

	for i, colorFlavor in pairs( materialColor:getColorFlavors() ) do

		s = s + "<div class=" + apix
			+ flavor:getContainerCSSClassAndTextClass()
			+ apix + ">"
			+ flavor:getContainerCSSClass()
			+ "</div>"
	end

	return s
	
end

-- return the package
return p