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--
-- All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
-- its licensors.
--
-- For complete copyright and license terms please see the LICENSE at the root of this
-- distribution (the "License"). All use of this software is governed by the License,
-- or, if provided, by the license below or the license accompanying this file. Do not
-- remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
--
--
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local DynamicLayoutGrid = 
{
	Properties = 
	{
		FirstScrollBox = {default = EntityId()},
		AddColorsButton = {default = EntityId()},
		DynamicLayouts = { default = { EntityId(), EntityId() } },
	},
}

function DynamicLayoutGrid:OnActivate()
	self.buttonHandler = UiButtonNotificationBus.Connect(self, self.Properties.AddColorsButton)

	self.tickBusHandler = TickBus.Connect(self);
end

function DynamicLayoutGrid:OnTick(deltaTime, timePoint)
	self.tickBusHandler:Disconnect()	
						
	self:InitContent("StaticData/LyShineExamples/uiTestFreeColors.json")
end


function DynamicLayoutGrid:OnDeactivate()
	self.buttonHandler:Disconnect()
end

function DynamicLayoutGrid:OnButtonClick()
	if (UiButtonNotificationBus.GetCurrentBusId() == self.Properties.AddColorsButton) then
		self:InitContent("StaticData/LyShineExamples/uiTestMoreFreeColors.json")

		UiInteractableBus.Event.SetIsHandlingEvents(self.Properties.AddColorsButton, false)
		
		local canvas = UiElementBus.Event.GetCanvas(self.entityId)
		UiCanvasBus.Event.ForceHoverInteractable(canvas, self.Properties.FirstScrollBox)		
	end	
end

function DynamicLayoutGrid:InitContent(jsonFilepath)
	-- Refresh the dynamic content database with the specified json file
	UiDynamicContentDatabaseBus.Broadcast.Refresh(eUiDynamicContentDBColorType_Free, jsonFilepath)
	
	-- Get the number of colors in the dynamic content database
	local numColors = UiDynamicContentDatabaseBus.Broadcast.GetNumColors(eUiDynamicContentDBColorType_Free)
	
	for i=0,#self.Properties.DynamicLayouts do
		-- Set the number of children for the layout element
		UiDynamicLayoutBus.Event.SetNumChildElements(self.Properties.DynamicLayouts[i], numColors)
	
		for j=0,numColors-1 do
			-- Get child of the layout
			local child = UiElementBus.Event.GetChild(self.Properties.DynamicLayouts[i], j)
			
			-- Set the color
			local color = UiDynamicContentDatabaseBus.Broadcast.GetColor(eUiDynamicContentDBColorType_Free, j)
			UiImageBus.Event.SetColor(child, color)		
		end
	end
end

return DynamicLayoutGrid