Getting "ParGroup is not defined" when trying to use polyer-ui-dropdown

[Paul Willarson]

First I noticed this error when viewing the online demo for polymer-ui-dropdown, and I just thought that the demo might be out of date.  However I also get get this error when trying to use the element in my app.  It occurs when trying to toggle the dropdown.  The only references to PolyGroup I can find in all of the Polymer code is in "polymer-animation.html" and "polymer-overlay.html", and it's only when trying to instantiate the missing class.  There is no definition of it in core, elements or ui-elements.

Any help would be appreciated.

Thanks

 - Paul

[Rob Dodson]

Hm this might be the issue. polymer-ui-dropdown relies on polymer-animation which is calling an outdated bit of Web Animations. Yvonne should we update polymer-animation?

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[gadget...@googlemail.com]

I changed that line to

var transition = new AnimationGroup([

and it seems to work form me (based on the information from https://github.com/PolymerLabs/polymer-animation/commit/d6922389b0702b49c30f5217491ae3b276812a69)

Martin

[Yvonne Yip]

I just fixed this in polymer-animation.

[psve...@gmail.com]

Hmm, this seems to be broken still as of now. Neither of the online examples work for drop-down or drop-up;

http://www.polymer-project.org/components/polymer-ui-dropdown/demo.html

http://www.polymer-project.org/components/polymer-ui-dropup/demo.html

It would be great to have a drop-down menu element, so any love you can pour on this would be welcome!

Cheers,
PS

[Mike Lawther]

Looks like a different problem? When I look at those demos I'm seeing "Uncaught ReferenceError: Platform is not defined" in polymer.js.

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[rnara...@gmail.com]

Move platform.js to the top in demo.html and you will see the "ParGroup is not defined".

[Yvonne Yip]

The polymer-ui-* elements are deprecated and no longer maintained. Please use the new core-* and paper-* elements.

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[rnara...@gmail.com]

Thanks Yvonne. I didn't realize that they are deprecated. But I don't see dropdown in core-* or paper-* elements list.

[Yvonne Yip]

core-menu-button and paper-menu-button are the most similar to polymer-ui-dropdown.

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