Closes#17245 and #17253
When the user selects a doc item in the side nav:
1) expand folder(s) leading to the selected doc item
2) on a wide display, keep other already expanded folders open
3) on narrow (mobile) display, collapse other expanded folders
Used to do (3) when wide. Issue #17245 asks for (2).
That logic was bypassed for selected node when we allowed headers to have content
because that unintentionally expanded the header’s folder when selected.
Because the selected node is no longer a header with content, removing this exclusion
also means that folders are expanded/collapsed with above logic even for API pages.
Rather than hard coding excludes into the dgeni config,
use the fact that we are already ignoring the boilerplate
and generated files via the .gitignore file.
Previously, the main content would always leave a 18% margin on the right to be
occupied by the ToC (even if there was no ToC).
This commit lets the main content expand to the right to occupy all the
available space when there is no ToC.
Fixes#17205Fixes#17270
Previously, when scrolling the ToC and reaching the top/bottom, further
mousewheel events would result in scrolling the window (and thus the main
content). This is standard browser behavior. In the case of the ToC though, the
`ScrollSpy` would detect scrolling in the main content and scroll the active ToC
to entry into view, thus resetting the scroll position of the ToC.
Reproduction:
1. Open `~/guide/template-syntax`.
2. Start scrolling through the long ToC.
3. Try to go to the bottom of the ToC.
4. Once you reach the bottom, the main content starts scrolling down.
5. The first section ("HTML in templates") becomes "active", so the ToC is
scrolled back up to make its corresponding entry visible.
6. Go back to step 2.
This commit improves the UX, by not allowing the main content to scroll when the
cursor is ovr the ToC and the user has scrolled all the way to the top/bottom of
it.
Igor Minar
Jesús Rodríguez
Georgios Kalpakas
Ward Bell
Peter Bacon Darwin
Alex Rickabaugh
Igor Minar
Kara Erickson
Chuck Jazdzewski
Stefanie Fluin