Missing paper-dropdown...why?

[Jeff S]

Is there a reason why this doesn't exist in the dart package even though it is shown in the polymer doc?  It is the only one that is missing from the paper_elements package, at least based on what I see on the docs page.

Core-dropdown exists but I have been toying with the paper-elements, just to see how they work.  Not a big deal as I am just trying to learn some stuff...starting simple by changing the polymer dart codelab (https://www.dartlang.org/codelabs/polymer/) to use paper elements instead.

Thanks!

[Günter Zöchbauer]

It's new. As far as I know it's already included in the Repository and will be released when the update of Polymer.dart to the current Polymer.js version is finished.

[Matthew Butler]

Indeed, the repository is here: https://github.com/Polymer/paper-dropdown-menu 

Matt

[Jeff S]

Thanks guys.

[David James]

It looks to me like this is what happened:

* core-dropdown was renamed to core-dropdown-menu

* paper-dropdown was renamed to paper-dropdown-menu

I'm not sure why. The names seemed ok to me.

[David James]

After looking at this again, I think my earlier comment was wrong.

In Github, I see these repositories:

• core-dropdown: Alive. First commit on Aug. 28, 2014.
  
• core-dropdown-menu: Alive. First commit on Aug. 1, 2014. Builds on top of core-dropdown.
• paper-dropdown: Dead. Github repository now points to paper-dropdown-menu.
• paper-dropdown-menu: Alive. First commit on Aug. 12, 2014.
  

Would the Polymer author(s) care to comment about the renaming?

It looks to me like some of the Bower dependencies are a bit mixed up at the moment after these changes.

[Yvonne Yip]

That is the correct list of dropdown-related elements.

* core-dropdown - A generic drop-down. You provide the trigger element, and you can put whatever you want in the drop-down body.

* core-dropdown-menu - A <select>-like element implemented with core-dropdown. The drop-down body contains a menu and the trigger element shows the selected item.

* paper-dropdown-menu - The material design version of the above.

* paper-dropdown - renamed to paper-dropdown-menu to be consistent with core-dropdown-menu

Sorry about the inconvenience with the renaming. These elements are quite new and are in flux. We hope to keep this type of changes to a minimum while making sure they have the right names and API.

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[hri...@gmail.com]

Can you give an example using just paper-dropdown-menu because all of the examples that I can find include paper-down

[sstr...@gmail.com]

All of the documentation I can find for paper-dropdown-menu includes using paper-dropdown as a child (see https://www.polymer-project.org/docs/elements/paper-elements.html#paper-dropdown-menu).  If it was just a renaming, why are both being used at the same time?

[Arthur Evans]

Hi folks,

The original answer here (from back in September) is outdated. A paper-dropdown element was added a few months later, which is parallel to the core-dropdown element, but with the material design look and feel. So the example in the API doc is correct.

Here's a jsbin of that example the necessary imports added:

http://jsbin.com/husule/1/edit?html,output

For comparison, here's the same example with the undecorated core-dropdown in place of the paper-dropdown:

http://jsbin.com/ropobe/1/edit?html,output

As you can see, it lacks the shadow and open animation of the paper-dropdown.

(Note that there's an open issue with the paper-dropdown/paper-dropdown-menu where the animation appears to stutter when it's re-opened: https://github.com/Polymer/paper-dropdown-menu/issues/45)

To view this discussion on the web visit https://groups.google.com/d/msgid/polymer-dev/af95a6a0-0980-4aba-b12f-93b4bce8ba42%40googlegroups.com.