Question

Please check this almost identical question first: jQuery Sortable List – scroll bar jumps up when sorting

I have exactly the same problem, only that I tried all the suggested solutions there with no luck

Here is the way to reproduce

• create a sortable list
• have it scrollable
• scroll down
• reorder items
• scroll position “jumps” up

Here is the code (see also in JSFiddle)

Html

<ul id="panel" class="scroll">
    <li class="content" style="background-color:red">item1</li>
    <li class="content" style="background-color:green">item2</li>
    <li class="content" style="background-color:blue">item3</li>
    <li class="content" style="background-color:gray">item4</li>
    <li class="content" style="background-color:yellow">item5</li>    
</ul>​

JavaScript

$(function() {
    $("#panel").sortable({
        items: ".content",
        forcePlaceholderSize: true
    }).disableSelection();
    $(".content").disableSelection();

});​

CSS

.scroll{
    overflow: scroll;
    border:1px solid red;
    height: 200px;
    width: 150px;
}
.content{
    height: 50px;
    width: 100%;
}
​

Here is the code (in JSFiddle) after trying the notion of the accepted answer (with no luck)

I can try to understand why it happens (list get’s “shortened” for a quick second), but all attempts to use placeholders or helpers to avoid it didn’t work either. I feel I tried almost any permutation of the “scrollable” options with no luck

Browsers I tried

IE9, Firefox 10.0.1, and Chrome 17

JQuery versions

core 1.7.1, UI v 1.8.17

Am I doing something wrong? Is there a solution? Could it be a bug?

Answer 1

If you modifiy your CSS for the .scroll element by adding:

position:relative;

That should resolve this issue.