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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 SpawnElements = 
{
	Properties = 
	{
		SpawnerElement = {default = EntityId()},
	},
}

function SpawnElements:OnActivate()
	self.buttonHandler = UiButtonNotificationBus.Connect(self, self.entityId)
	self.spawnTicket = nil
end

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

function SpawnElements:OnButtonClick()
	-- don't spawn another dynamic slice until we have processed the last one
	if self.spawnTicket == nil then
		self.spawnerHandler = UiSpawnerNotificationBus.Connect(self, self.Properties.SpawnerElement)
		self.spawnTicket = UiSpawnerBus.Event.Spawn(self.Properties.SpawnerElement)
	end
end

function SpawnElements:OnEntitySpawned(ticket, id)
	if ticket == self.spawnTicket then
		-- this could be the image element or the child text element.
		-- But we just set all images to yellow and all texts to black.
		-- Alternatively we could use OnTopLevelEntitiesSpawned and
		-- just get the image element and then get its child.
		UiImageBus.Event.SetColor(id, Color(1, 1, 0))
		UiTextBus.Event.SetColor(id, Color(0, 0, 0))
	end
end

function SpawnElements:OnSpawnEnd(ticket)
	if ticket == self.spawnTicket then
		self.spawnerHandler:Disconnect()
		self.spawnTicket = nil
	end
end

function SpawnElements:OnSpawnFailed(ticket)
	if ticket == self.spawnTicket then
		self.spawnerHandler:Disconnect()
		self.spawnTicket = nil
	end
end

return SpawnElements