Fixes Autoscroll on Sessions page

[ArnavBallinCode]

Screen.Recording.2025-12-06.at.1.21.30.AM.mov

Fix Schedule Page Auto-Scroll Issue (Proper Widget Fix)

This PR properly fixes the jarring auto-scroll when navigating to the schedule page by updating the pretalx-schedule widget to support a disable-auto-scroll attribute.

Fixes #1430

Changes

1. Updated Widget (pretalx-schedule.min.js)

• Built from fossasia/eventyay-talk-schedule with new disable-auto-scroll prop
• See companion PR: feat: add disable-auto-scroll prop to prevent auto-scroll on sessions page  eventyay-talk-schedule#27

2. Updated Template (schedule.html)

• Added disable-auto-scroll attribute to <pretalx-schedule> element
• Fixed template syntax by ensuring all Django tags are on single lines

How It Works

The widget now accepts a disable-auto-scroll attribute:

<pretalx-schedule
    event-url="..."
    disable-auto-scroll
></pretalx-schedule>

## Summary by Sourcery

Disable the pretalx schedule widget’s automatic scrolling on the schedule page and tidy up the schedule template markup.

Bug Fixes:
- Prevent jarring automatic scrolling when opening the schedule page by enabling the pretalx-schedule widget’s disable-auto-scroll behavior.

Enhancements:
- Simplify and normalize the schedule.html template markup and Django tag formatting for improved readability.

[sourcery-ai]

Reviewer's Guide

Adds support for a disable-auto-scroll attribute in the pretalx schedule widget and wires it up in the agenda schedule template while cleaning up Django template formatting and tag usage.

File-Level Changes

Change	Details	Files
Wire new disable-auto-scroll widget attribute into the schedule page template and normalize Django template formatting.	Ensure container_width block tag is rendered on a single line to avoid template parsing issues. Re-indent and reflow header_right block markup, keeping Django template tags intact but moving them onto cleaner, mostly single-line structures. Simplify agenda_content block by reducing unnecessary whitespace and aligning if/for blocks without changing logic. Add disable-auto-scroll attribute to the pretalx-schedule custom element so the client-side widget can opt out of auto-scrolling. Keep the NoJS fallback schedule markup functionally unchanged while re-indenting its translation block.	app/eventyay/agenda/templates/agenda/schedule.html
Update pretalx schedule frontend widget bundle to understand disable-auto-scroll and suppress automatic scrolling when requested.	Replace/minify the pretalx-schedule.min.js bundle with a version built from fossasia/eventyay-talk-schedule that includes the new disable-auto-scroll prop handling. Ensure the widget reads the disable-auto-scroll attribute from the pretalx-schedule element and skips its initial auto-scroll behavior when present. Preserve existing widget behavior (event URL, version, locale, timezone, list/grid format, styling) aside from the conditional auto-scroll change.	app/eventyay/static/agenda/js/pretalx-schedule.min.js

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#1430	Prevent the automatic scroll-to-top behavior when users click session-related menu items (within the pretalx schedule/talk widget).	✅
#1430	Ensure that navigation transitions within the session/schedule view are smooth and do not cause visible page movement.	✅
#1430	Apply the fix across all talk component pages that use the pretalx schedule widget (e.g., Sessions, Speakers, Tracks) by updating the shared widget behavior.	✅

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[sourcery-ai]

Hey there - I've reviewed your changes - here's some feedback:

• The pretalx-schedule element is now on a single long line with many attributes, which makes future diffs and reviews harder; consider keeping the tag itself on one line but wrapping attributes across multiple lines for readability while still respecting the template-engine constraint you’re fixing.
• The new disable-auto-scroll attribute is always enabled; if there are scenarios where auto-scroll is still desirable, consider making this behavior conditional (e.g., driven by a view flag or template variable) instead of hard-coded.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- The `pretalx-schedule` element is now on a single long line with many attributes, which makes future diffs and reviews harder; consider keeping the tag itself on one line but wrapping attributes across multiple lines for readability while still respecting the template-engine constraint you’re fixing.
- The new `disable-auto-scroll` attribute is always enabled; if there are scenarios where auto-scroll is still desirable, consider making this behavior conditional (e.g., driven by a view flag or template variable) instead of hard-coded.

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[Copilot]

Pull request overview

This PR fixes an auto-scroll issue on the schedule page by updating the pretalx-schedule widget to support a disable-auto-scroll attribute and applying it in the template. The changes include both widget updates (compiled JavaScript) and template formatting improvements.

• Updated the pretalx-schedule widget to support disableAutoScroll prop that prevents auto-scrolling to current time on page load
• Added disable-auto-scroll attribute to the <pretalx-schedule> element in the schedule template
• Cleaned up template formatting by normalizing Django tags and indentation

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
app/eventyay/static/agenda/js/pretalx-schedule.min.js	Added disableAutoScroll prop to schedule components and integrated it into scroll logic to prevent automatic scrolling when the attribute is present
app/eventyay/agenda/templates/agenda/schedule.html	Added disable-auto-scroll attribute to the widget element and cleaned up template formatting with consistent indentation and single-line Django tags

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[ArnavBallinCode]

There is a UI issue on the sessions page, I will fix it with a new pr once this is merged, dont want to add that into this for it to be clean and not confusing to the changes