FlxButton callback

[kinflo]

Hi there,

I'm trying to give information about the button that just was clicked through the callback but this is not possible.

Is there any way that I can get information of the button I just clicked?

It's a button created in a for loop in the create function, there are multiple buttons and they all callback to one function.

When I clicked a button I want only that one to be deleted.

thanks!

[sano98]

Hey kinflo,

maybe this forum post helps.

Basically, they offer 3 different solutions:

1. Write your own modified button class to accept the required parameter
2. Modify FlxButton
3. Use FlxButtonPlus, where you can use parameter arrays.
   

[Dlean Jeans]

Consider binding button index to the callback function like this:

So you said that you want to delete a button:

var buttons = new Array<Button>(); // buttons will be stored here

function deleteButton(buttonID:Int) {
    var button = buttons[buttonID]; // get the button from the array
    button = FlxDestroyUtil.destroy(button); // destroy the button
}

Assume that the buttons are created like below

// This will create 10 buttons labeled "Button 0", "Button 1", ...
for (i in 0...10) {
    var button = new FlxButton(i * 100, i * 50, 'Button $i', deleteButton.bind(i)); // bind the index i to pass the button ID to deleteButton:Int->Void, deleteButton now becomes Void->Void
    buttons.push(button);
}

[kinflo]

Thank you a lot! the bind helped me!!