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Component infrastructure and Material Design components for Angular
https://material.angular.io
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[List] support "expand and collapse" from List spec #14994

Open thw0rted opened 5 years ago

thw0rted commented 5 years ago

Please describe the feature you would like to request.

The List spec includes an "Expand and collapse" control. This functions more or less like an Expansion Panel but with List Item styling: dividers are used instead of a surrounding border / different background color, and the expand/collapse button is placed according to the rules for secondary action buttons.

What is the use-case or motivation for this proposal?

Support full capabilities of List as described in the spec

Is there anything else we should know?

I put together a StackBlitz showing the current behavior when an expansion panel is placed in a list. The behavior is more or less as expected but the styling does not work as a list item, and just "fixing up" the current behavior is a lot to ask of consumers.

In my own project I built a component to implement this behavior, but it's not going to be as robust as it would be if supported directly here. Of course, styling an expansion panel to behave correctly when used as a list item is only one approach, and I don't mean to suggest a specific design. My custom component tracks its own expansion state and handles divider logic, etc, internally.

Char2sGu commented 2 years ago

Too many components are missing in this library...

angular-robot[bot] commented 2 years ago

Just a heads up that we kicked off a community voting process for your feature request. There are 20 days until the voting process ends.

Find more details about Angular's feature request process in our documentation.

angular-robot[bot] commented 2 years ago

Thank you for submitting your feature request! Looks like during the polling process it didn't collect a sufficient number of votes to move to the next stage.

We want to keep Angular rich and ergonomic and at the same time be mindful about its scope and learning journey. If you think your request could live outside Angular's scope, we'd encourage you to collaborate with the community on publishing it as an open source package.

You can find more details about the feature request process in our documentation.