How can I disable a button?

AxlFlame · June 2013

Hey guys!

Here I was trying to finish my project (the one from where all my previous doubts originated) and I stumbled upon another one...

Here's my idea: I have a minigame where in certain times buttons can be pressed to help advance through the game. The point is, I don't want the buttons to be clickable all the time. How can I enable and disable the click events on my buttons?

So far I have this: The minigame starts with none of the buttons having the "click" event. When an certain timer completes it enables my function "HabilitaBotoes" and that function applies the "click" event listener to each of my buttons. But, when all the buttons have been clicked, I want to lock them again, until the next timer finishes. For that, I created my "DesabilitaBotoes" function. But, for a reason completely unknown for me, my "DesabilitaBotoes" function happens, but the events aren't removed. Why is this happening?

Here is the code for both of the said functions:

function ArmasMontagem:HabilitaBotoes()
	--Listener do botão 1 (Spout)
	wpPiece1:addEventListener("click", 
		function()
			numBox = 1
			self.onClickButton()
		end
	)
	--Listener do botão 2 (HoseAndButton)
	wpPiece2:addEventListener("click", 
		function()
			numBox = 2
			self.onClickButton()
		end
	)
	--Listener do botão 5 (Globe)
	wpPiece5:addEventListener("click", 
		function()
			numBox = 5
			self.onClickButton()
		end
	)
	--Listener do botão 4 (WaterPump)
	wpPiece4:addEventListener("click", 
		function()
			numBox = 4
			self.onClickButton()
		end
	)
	--Listener do botão 3 (Trigger)
	wpPiece3:addEventListener("click", 
		function()
			numBox = 3
			self.onClickButton()
		end
	)
end
 
function ArmasMontagem:DesabilitaBotoes()
	wpPiece1:removeEventListener("click", 
		function()
			numBox = 1
			self.onClickButton()
		end
	)
 
	wpPiece2:removeEventListener("click", 
		function()
			numBox = 2
			self.onClickButton()
		end
	)
 
	wpPiece5:removeEventListener("click", 
		function()
			numBox = 5
			self.onClickButton()
		end
	)
 
	wpPiece4:removeEventListener("click", 
		function()
			numBox = 4
			self.onClickButton()
		end
	)
 
	wpPiece3:removeEventListener("click", 
		function()
			numBox = 3
			self.onClickButton()
		end
	)
end

vitalitymobile · June 2013

Hi @AxlFlame,
You should use something likes Game State to control Game Loop.
In this case, we only addEventListener and no need to removeEventListener. Logic of clickable or not clickable can be check on onClickButton base on Game State and numBox (click count)

OZApps · June 2013

try,

wpPiece3:addEventListener("click",
    function()
        numBox =3
        if self.enabled then
            self.onClickButon()
        end
    end
)

and you can enable or disable the clicking by simply this line of code in your app

wpPiece3.enabled = true -- to make it click
 
-- OR --
 
wpPiece3.enabled = false -- to make it not click

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