angular-ui/ui-grid

Click and hold of scrollbar down arrow for Infinite Scroll fails to continue to scroll after more data is loaded

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#5,029 opened on Jan 26, 2016

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help wanted

Description

There is an issue with Infinite scroll when you click and hold on the down arrow in the vertical scroll bar. It properly continues to scroll until you reach the threshold to load data then it stops scroll, but note that the scroll thumb has moved up. To see this behavior go to http://ui-grid.info/docs/#/tutorial/212_infinite_scroll and simply click and hold the down arrow in the scroll bar and note that it will stop.

I tried to track down what would be needed to fix this, but was unsuccessful what may need to be done to fix.

Contributor guide

Tech stack
javascripthtmlcss
Domain
frontend
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
AngularJS basicsDOM event handlingInfinite scroll concept
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
25
Research direction
Investigate the infinite scroll implementation in the ui grid repository, focusing on the scroll event handler that triggers data loading. Look at how the scroll position is managed after new data is appended. The issue may be in the `scrollTo` or `dataLoaded` callbacks. Check the files in the `features/infinite scroll/` directory. Additionally, review closed or linked issues for any prior attempts or discussions.
Click and hold of scrollbar down arrow for Infinite Scroll fails to continue to scroll after more data is loaded · angular-ui/ui-grid#5029 | Good First Issue