fixing component when scroll reaches certain value

Wed Aug 19, 2015 10:04 am

Hi guys,

I have a radio button that is positioned in the middle of the page. above the radio button is a grid that contains user information. below the radio button is a list. when the radio buttons change the list changes also.

When a user scrolls down the page, is it possible to make the radio button stop scrolling and fix its position when it reaches the top of the page, below the header
but still allowing the rest of the page scroll?

Thanks.

Wed Aug 19, 2015 7:11 pm

Hello Joe,

You have to use scroll event for that. And check element's top position (Apperyio("elementName").position().top) and window's scroll value ($(window).scrollTop())

Fri Aug 21, 2015 10:01 pm

Hi Sergiy,

Thanks for your response, could you give me a bit more detail please?

Regards,
Joe

Mon Aug 24, 2015 1:01 pm

What exactly you didn't understand? This is something outside the scope (http://devcenter.appery.io/support-po...) of our support.

Mon Aug 24, 2015 11:17 pm

Sorry, i didnt realise it was outside the scope of support.
But I'm not sure how the scroll events works.

I tried:
pre
var radiopos = Apperyio("FavouritesRadioTypes").position().top();
var scroll = ($(window).scrollTop());

if (scroll = radiopos){
Apperyio('FavouritesRadioTypes').addClass('fixed');
}

if (scroll < radiopos){
Apperyio('FavouritesRadioTypes').removeClass('fixed');
}
/pre

pre
.fixed {
position: absolute !important;
}
/pre

but i also tried just the code below to test the scroll event.
console.log("scrolling");

but I got nothing in the console.
how does the scroll event work, i'm not sure what i'm doing wrong.

Thank you

Sat Aug 29, 2015 9:36 pm

Scroll event is standard HTML event, you can search online for appropriate solution.

Mon Aug 31, 2015 6:39 am

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