CC Animate HTML5 Canvas - Bring Button to Front on Click

New Here ,
Sep 25, 2019 Sep 25, 2019

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I have two buttons on a canvas. They are slightly overlapping. When the user clicks on one button, I would like that button to be brought to the top (or in front) of the other button. 

 

So, a click on a button should always bring it to the top so the whole button is visible to the user. 

 

Thanks for any any help on this!

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Adobe Community Professional ,
Sep 26, 2019 Sep 26, 2019

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Hi.

 

You can use the addChild or setChildIndex method from the createjs.Container class. In this case, you're going to call one of these two methods from the buttons parent.

 

Examples:

 

addChild approach (ES5 syntax):

this.bringToFront = function(e)
{
    e.currentTarget.parent.addChild(e.currentTarget);
};

this.button0.on("click", this.bringToFront);
this.button1.on("click", this.bringToFront);

 

addChild approach (ES6 syntax):

this.bringToFront = e => e.currentTarget.parent.addChild(e.currentTarget);
this.button0.on("click", this.bringToFront);
this.button1.on("click", this.bringToFront);

 

setChildIndex approach (ES5 syntax):

this.bringToFront = function(e)
{
    e.currentTarget.parent.setChildIndex(e.currentTarget, e.currentTarget.parent.numChildren - 1);
};

this.button0.on("click", this.bringToFront);
this.button1.on("click", this.bringToFront);

 

setChildIndex approach (ES6 syntax):

this.bringToFront = e => e.currentTarget.parent.setChildIndex(e.currentTarget, e.currentTarget.parent.numChildren - 1);
this.button0.on("click", this.bringToFront);
this.button1.on("click", this.bringToFront);

 

I hope this helps.

 

Regards,

JC

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New Here ,
Sep 27, 2019 Sep 27, 2019

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Thank you so much!! I will try it out, and report back 🙂

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New Here ,
Oct 15, 2019 Oct 15, 2019

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Just what I needed! I used the event "mousedown" instead of "click" to instantly move to front on a mouse click. Thanks again!

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Community Beginner ,
Nov 17, 2021 Nov 17, 2021

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Hello JC and ClayUUID (this is not bumping an old thread) 🙂

JC, your code is great but for a whole day I could not get it to work. I tried so many ways but all to no avail.

Just one line of code was missing as far as I was concerned:

stop() the parent movieclip first!

This came from ClayUUID on another thread.

(https://community.adobe.com/t5/animate-discussions/unable-to-setchildindex-of-placed-movieclip-in-ca...)

I have made an HTML5 canvas fla and all it has is a single movieclip ("base") and two buttons ("b1" and "b2").

I have placed the buttons inside the "base".

Here is my code (in frame 1 of the stage timeline) for those who stumble upon this page.

this.stop();
root = this;
root.bringToFront = function(e)
{
      e.currentTarget.parent.setChildIndex( e.currentTarget, e.currentTarget.parent.numChildren-1);
};
root.base.stop();
root.base.b1.on("click", this.bringToFront);
root.base.b2.on("click", this.bringToFront);

 

Not sure you even need to stop the root, just the parent movieclip.

Thanks JC and ClayUUID

Ron

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