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

-- linenumberspanel class
linenumberspanel = class("linenumberspanel", base)

--[[---------------------------------------------------------
	- func: initialize()
	- desc: initializes the object
--]]---------------------------------------------------------
function linenumberspanel:initialize(parent)
	
	self.parent         = parent
	self.type           = "linenumberspanel"
	self.width          = 5
	self.height         = 5
	self.offsety        = 0
	self.staticx        = 0
	self.staticy        = 0
	self.internal       = true
	
	-- apply template properties to the object
	loveframes.templates.ApplyToObject(self)
	
end

--[[---------------------------------------------------------
	- func: update(deltatime)
	- desc: updates the element
--]]---------------------------------------------------------
function linenumberspanel:update(dt)
	
	local visible = self.visible
	local alwaysupdate = self.alwaysupdate
	
	if not visible then
		if not alwaysupdate then
			return
		end
	end
	
	local parent          = self.parent
	local base            = loveframes.base
	local update          = self.Update
	local height          = self.parent.height
	local parentinternals = parent.internals
	
	self.height    = height
	self.offsety   = self.parent.offsety - self.parent.textoffsety
	
	-- move to parent if there is a parent
	if parent ~= base then
		self.x = self.parent.x + self.staticx
		self.y = self.parent.y + self.staticy
	end
	
	if parentinternals[1] ~= self then
		self:Remove()
		table.insert(parentinternals, 1, self)
		return
	end
	
	self:CheckHover()
	
	if update then
		update(self, dt)
	end

end

--[[---------------------------------------------------------
	- func: draw()
	- desc: draws the object
--]]---------------------------------------------------------
function linenumberspanel:draw()
	
	local visible = self.visible
	
	if not visible then
		return
	end
	
	local skins         = loveframes.skins.available
	local skinindex     = loveframes.config["ACTIVESKIN"]
	local defaultskin   = loveframes.config["DEFAULTSKIN"]
	local selfskin      = self.skin
	local skin          = skins[selfskin] or skins[skinindex]
	local drawfunc      = skin.DrawLineNumbersPanel or skins[defaultskin].DrawLineNumbersPanel
	local draw          = self.Draw
	local drawcount     = loveframes.drawcount
	local stencilfunc   = function() love.graphics.rectangle("fill", self.parent.x, self.parent.y, self.width, self.height) end
	local stencil       = love.graphics.newStencil(stencilfunc)
	
	if self.parent.hbar then
		stencilfunc = function() love.graphics.rectangle("fill", self.parent.x, self.parent.y, self.width, self.parent.height - 16) end
	end
	
	-- set the object's draw order
	self:SetDrawOrder()
	
	love.graphics.setStencil(stencilfunc)
	
	if draw then
		draw(self)
	else
		drawfunc(self)
	end
	
	love.graphics.setStencil()
	
end

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

	local visible = self.visible
	
	if not visible then
		return
	end
	
	local hover = self.hover
	
	if hover and button == "l" then
	
		local baseparent = self:GetBaseParent()
	
		if baseparent and baseparent.type == "frame" then
			baseparent:MakeTop()
		end
		
	end
	
end

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

	local visible  = self.visible
	
	if not visible then
		return
	end
	
end

--[[---------------------------------------------------------
	- func: GetOffsetY()
	- desc: gets the object's y offset
--]]---------------------------------------------------------
function linenumberspanel:GetOffsetY()

	return self.offsety
	
end