LoveFrames/loveframes/objects/panel.lua

--[[------------------------------------------------
	-- Love Frames - A GUI library for LOVE --
	-- Copyright (c) 2012-2014 Kenny Shields --
--]]------------------------------------------------

return function(loveframes)
---------- module start ----------

-- panel object
local newobject = loveframes.NewObject("panel", "loveframes_object_panel", true)

--[[---------------------------------------------------------
	- func: initialize()
	- desc: initializes the object
--]]---------------------------------------------------------
function newobject:initialize()
	
	self.type = "panel"
	self.width = 200
	self.height = 50
	self.internal = false
	self.children = {}
	
	self:SetDrawFunc()
end

--[[---------------------------------------------------------
	- func: update(deltatime)
	- desc: updates the element
--]]---------------------------------------------------------
function newobject:update(dt)
	
	local state = loveframes.state
	local selfstate = self.state
	
	if state ~= selfstate then
		return
	end
	
	local visible = self.visible
	local alwaysupdate = self.alwaysupdate
	
	if not visible then
		if not alwaysupdate then
			return
		end
	end
	
	local children = self.children
	local parent = self.parent
	local base = loveframes.base
	local update = self.Update
	
	-- move to parent if there is a parent
	if parent ~= base and parent.type ~= "list" then
		self.x = self.parent.x + self.staticx
		self.y = self.parent.y + self.staticy
	end
	
	self:CheckHover()

	for k, v in ipairs(children) do
		v:update(dt)
	end
	
	if update then
		update(self, dt)
	end

end

--[[---------------------------------------------------------
	- func: mousepressed(x, y, button)
	- desc: called when the player presses a mouse button
--]]---------------------------------------------------------
function newobject:mousepressed(x, y, button)

	local state = loveframes.state
	local selfstate = self.state
	
	if state ~= selfstate then
		return
	end
	
	local visible = self.visible
	
	if not visible then
		return
	end
	
	local children = self.children
	local hover = self.hover
	
	if hover and button == 1 then
		local baseparent = self:GetBaseParent()
		if baseparent and baseparent.type == "frame" then
			baseparent:MakeTop()
		end
	end
	
	for k, v in ipairs(children) do
		v:mousepressed(x, y, button)
	end
	
end

--[[---------------------------------------------------------
	- func: mousereleased(x, y, button)
	- desc: called when the player releases a mouse button
--]]---------------------------------------------------------
function newobject:mousereleased(x, y, button)

	local state = loveframes.state
	local selfstate = self.state
	
	if state ~= selfstate then
		return
	end
	
	local visible  = self.visible
	local children = self.children
	
	if not visible then
		return
	end
	
	for k, v in ipairs(children) do
		v:mousereleased(x, y, button)
	end
	
end

---------- module end ----------
end