On Thu, 30 Jun 2022 15:14:40 GMT, Hannes Wallnöfer <hann...@openjdk.org> wrote:

> Please review an enhancement to the preview page to add a list of preview 
> features and allow users to explore the preview APIs by feature. 
> 
> While the changes for the enhancement itself are not overly complex, the work 
> entailed a moderate cleanup of other summary API lists (Deprecated and New 
> API pages) as well as a few unrelated summary pages that happened to share 
> some of the CSS classes and HTML structure.
> 
> The change itself starts with a new internal 
> `jdk.internal.javac.PreviewFeature.JEP` annotation interface to add JEP 
> information to the nearby `jdk.internal.javac.PreviewFeature.Feature` enum. 
> This JEP information is retrieved by new methods in the javadoc `Utils` class 
> and then fetched by `PreviewAPIListBuilder` which passes it on to 
> `PreviewListWriter`. 
> 
> The superclass of `PreviewListWriter` and other API summary writer classes, 
> `SummaryListWriter`, gets a new `addContentSelectors(Content)` method to add 
> the checkboxes to show/hide various parts of the page content. The class is 
> also now abstract as this and other methods do not have useful 
> implementations in the base class. 
> 
> Another change to `SummaryListWriter` is that `pageMode`, `description`, 
> `headContent` and `titleKey` are no longer fields in the class but rather 
> sent to the `generateSummaryListFile` method as parameters since they are 
> mostly just used locally in that method. On the other hand, the associated 
> Builder is used in many places and previously had to be retrieved from the 
> configuration object or passed around as parameter, so that is now set as a 
> final field in `SummaryListWriter`. 
> 
> Finally, a few words about changes in CSS and HTML: The "Contents" list 
> containing various kinds of elements in the API list was previously contained 
> in the `<div class="header">` element that also contains the page header, and 
> the stylesheet used the `.header ul`  selector to style the list. Now that 
> the checkboxes separate the page header from the contents list it felt wrong 
> to put all this in the header div (most other pages only use the div for the 
> header itself). I also didn't like the indirect CSS selector too much, 
> `.header ul` is not very indicative of what it applies to.
> 
> I therefore decided to create a new dedicated CSS class for the contents list 
> called `contents-list`, and move the `<ul>` element out of the header div. 
> Apart from the summary API pages, this change also affects the "Constant 
> Values"  page as well as the top and package level "Tree" (class hierarchy) 
> pages. I made sure the contents list in these pages look the same as before.
> 
> The list items in the contents list now each have an `id` attribute to allow 
> hiding the list item if no content for the element kind is currently 
> selected/visible. The value of the `id` attribute uses the format 
> `contents-<element-kind>`.
> 
> There is one additional CSS class called `preview-feature-list` used for the 
> list of preview feature JEPs. 
> 
> Demo output for the new preview page as well as other pages is available here:
> http://cr.openjdk.java.net/~hannesw/8287597/api.03/preview-list.html

This pull request has been closed without being integrated.

-------------

PR: https://git.openjdk.org/jdk/pull/9336

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