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lua/vgui/dnotify.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, "Spacing", "Spacing" )
+AccessorFunc( PANEL, "Alignment", "Alignment" )
+AccessorFunc( PANEL, "m_fLifeLength", "Life" )
+
+function PANEL:Init()
+
+	self.Items = {}
+
+	self:SetSpacing( 4 )
+	self:SetAlignment( 7 )
+	self:SetLife( 5 )
+
+	-- This turns off the engine drawing
+	self:SetPaintBackgroundEnabled( false )
+	self:SetPaintBorderEnabled( false )
+
+end
+
+function PANEL:GetItems()
+
+	return self.Items
+
+end
+
+function PANEL:AddItem( item, LifeLength )
+
+	if ( !IsValid( item ) ) then return end
+	LifeLength = LifeLength || self.m_fLifeLength
+
+	item:SetVisible( true )
+	item:SetParent( self )
+	table.insert( self.Items, item )
+	item:SetAlpha( 1 )
+
+	item:SetTerm( LifeLength )
+	item:AlphaTo( 0, 0.3, LifeLength - 0.3 )
+
+	self:Shuffle()
+
+end
+
+function PANEL:Think()
+
+	local bChange = false
+	for k, panel in pairs( self.Items ) do
+
+		if ( !IsValid( panel ) ) then
+
+			self.Items[ k ] = false
+			bChange = true
+
+		end
+
+	end
+
+	if ( bChange ) then
+		self:Shuffle()
+	end
+
+end
+
+function PANEL:Shuffle()
+
+	local y = 0
+
+	if ( self.Alignment == 1 || self.Alignment == 3 ) then
+		y = self:GetTall()
+	end
+
+	local Count = 0
+	for k, panel in pairs( self.Items ) do
+
+		if ( IsValid( panel ) ) then
+
+			local x = 0
+
+			if ( self.Alignment == 8 || self.Alignment == 2 ) then
+				x = (self:GetWide() + panel:GetWide()) / 2
+			elseif ( self.Alignment == 9 || self.Alignment == 3 ) then
+				x = self:GetWide() - panel:GetWide()
+			end
+
+			if ( self.Alignment == 1 || self.Alignment == 3 ) then
+				y = y - panel:GetTall()
+			end
+
+			if ( panel.bHasEntered ) then
+				panel:SetPos( x, y )
+			else
+				panel:SetPos( x, y )
+				panel:LerpPositions( 1, true )
+				panel:AlphaTo( 255, 0.3 )
+				panel.bHasEntered = true
+			end
+
+			if ( self.Alignment == 1 || self.Alignment == 3 ) then
+				y = y - self.Spacing
+			else
+				y = y + panel:GetTall() + self.Spacing
+			end
+
+			Count = Count + 1
+
+		end
+
+	end
+
+	-- By only removing them when the list is empty
+	-- we keep the order.
+	if ( Count == 0 && #self.Items > 0 ) then
+		self.Items = {}
+	end
+
+end
+
+function PANEL:PerformLayout()
+end
+
+derma.DefineControl( "DNotify", "", PANEL, "Panel" )