globals.ev = AddEventSuite("Composition")

-- check to see if the composition variable has been initialized.
if composition ~= nil and composition:GetAttrs().COMPS_FileName == "" then
    -- Enable AutoTools on new Comps
    composition:SetData("AutoTools.Enabled", true)
end

globals.ev = AddEventSuite("Composition")

function ev:OnActivateTool(event)

        -- ---------------------------------------------------------------------------------------------------- 
        -- Add Tools to newly created tools
        --
        -- Install to your Scprit: folder as .scriptlib
        -- Uses "data" to set metadata for the first time tools
        -- have been activated for a certain tool. Compare:
        -- www.vfxpedia.com/index.php?title=Eyeon:Script/Reference/Applications/Fusion/Classes/Object/SetData
        --
        -- In order to not create the tools on comps with loaders without the metadata one could set a data
        -- tag to the comp at a facility to make sure only facility wide comps are affected.
        --
        -- Written by B.Floch at eyeon Software Inc.
        -- ----------------------------------------------------------------------------------------------------   

        -- Get the seleted tools
        local toollist=comp:GetToolList(true)
        
        -- Care only if have a facility comp and we selected one tool
        if comp:GetData("AutoTools.Enabled") == true and table.getn(toollist) == 1 then

            -- Check if selected a Loader
            tool = toollist[1]
            if tool.ID == "Loader" then
                if tool:GetData("AutoTools.DivideGamma") == nil then
                    -- Set the metadata so that we don't add the tools again
                    tool:SetData("AutoTools.DivideGamma", true)

                    -- Prevent updating
                    comp:Lock()

                    -- Create AlphaDivide and Gamma Tools
                    -- XY set to -32768 makes them been added as if clicked
                    -- on the toolbar (next to current tool, with connections)
                    alphadivide = comp:AddTool("AlphaDivide", -32768, -32768)
                    bc = comp:AddTool("BrightnessContrast", -32768, -32768)
                    bc.Gamma[TIME_UNDEFINED] = 0.454

                    -- Rename
                    alphadivide:SetAttrs({TOOLS_Name = "DivideByAlpha"})
                    bc:SetAttrs({TOOLS_Name = "GammaDown"})

                    -- Select the loader
                    comp:SetActiveTool(tool)

                    -- Allow updating
                    comp:Unlock()
                end 
            end
        end

        -- Call default implementation
        self:Default(event)
end