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Understanding the behavour of sortable('refresh')

in Using jQuery UI • 9 years ago

Hi

I'm using the sorable 'items' config value to prevent certain child items from being sortable. I dynamically add new items to the sortable container, and I expect the sortable('refresh') method to re-select the sortable items, but i'm not able to get it to behave like that.

I have put together a simple test page showing this: http://jsbin.com/opilo

In that test, I'd expect the first list item to be prevented from sorting. Why does it not behave like this?

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willis.rh

Re: Understanding the behavour of sortable('refresh')

9 years ago

I have delved into the sortable widget to explore what's going on, and I've gotten familiar with why it does this.

The first time the sortable is created, it finds a list of child elements to sort, then binds data to the element which is used to sort the element.

When you fire off the refresh() function, it does not remove the data that was added to the original elements.

Using a copy of the latest revision of jquery.ui.sortable.js from github, I added the following hack into the top of the _refreshItems() function:

// remove target checking data
this.element.find(':data(sortable-item)').data('sortable-item', null);

This 'hack' makes sense to me, what you think?

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Understanding the behavour of sortable('refresh')

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