Initial commit

lua/vgui/contextbase.lua

@@ -0,0 +1,57 @@
+
+local PANEL = {}
+
+function PANEL:Init()
+
+	self.Label = vgui.Create( "DLabel", self )
+	self.Label:SetText( "" )
+	self.Label:SetDark( true )
+
+end
+
+function PANEL:SetConVar( cvar )
+	self.ConVarValue = cvar
+end
+
+function PANEL:ConVar()
+	return self.ConVarValue
+end
+
+function PANEL:ControlValues( kv )
+
+	self:SetConVar( kv.convar or "" )
+	self.Label:SetText( kv.label or "" )
+
+end
+
+function PANEL:PerformLayout()
+
+	local y = 5
+	self.Label:SetPos( 5, y )
+	self.Label:SetWide( self:GetWide() )
+
+	y = y + self.Label:GetTall()
+	y = y + 5
+
+	return y
+
+end
+
+function PANEL:TestForChanges()
+
+	-- You should override this function and use it to
+	-- check whether your convar value changed
+
+end
+
+function PANEL:Think()
+
+	if ( self.NextPoll && self.NextPoll > CurTime() ) then return end
+
+	self.NextPoll = CurTime() + 0.1
+
+	self:TestForChanges()
+
+end
+
+vgui.Register( "ContextBase", PANEL, "Panel" )