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lua/vgui/ddrawer.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+
+local PANEL = {}
+
+AccessorFunc( PANEL, "m_iOpenSize", "OpenSize" )
+AccessorFunc( PANEL, "m_fOpenTime", "OpenTime" )
+
+function PANEL:Init()
+
+	self.m_bOpened = false
+
+	self:SetOpenSize( 100 )
+	self:SetOpenTime( 0.3 )
+	self:SetPaintBackground( false )
+	self:SetSize( 0, 0 )
+
+	self.ToggleButton = vgui.Create( "DButton", self:GetParent() )
+	self.ToggleButton:SetSize( 16, 16 )
+	self.ToggleButton:SetText( "::" )
+	self.ToggleButton.DoClick = function()
+
+		self:Toggle()
+
+	end
+
+	self.ToggleButton.Think = function()
+
+		self.ToggleButton:CenterHorizontal()
+		self.ToggleButton.y = self.y - 8
+
+	end
+
+end
+
+function PANEL:OnRemove()
+
+	self.ToggleButton:Remove()
+
+end
+
+function PANEL:Think()
+
+	local w, h = self:GetParent():GetSize()
+	self:SetPos( 0, h - self:GetTall() )
+	self:SetWide( w )
+
+end
+
+function PANEL:Toggle()
+
+	if ( self.m_bOpened ) then
+		self:Close()
+	else
+		self:Open()
+	end
+
+end
+
+function PANEL:Open()
+
+	if ( self.m_bOpened == true ) then return end
+
+	self.m_bOpened = true
+	self:SizeTo( self:GetWide(), self.m_iOpenSize, self.m_fOpenTime )
+	self.ToggleButton:MoveToFront()
+
+end
+
+function PANEL:Close()
+
+	if ( self.m_bOpened == false ) then return end
+
+	self.m_bOpened = false
+	self:SizeTo( self:GetWide(), 0, self.m_fOpenTime )
+	self.ToggleButton:MoveToFront()
+
+end
+
+derma.DefineControl( "DDrawer", "", PANEL, "DPanel" )