primefaces / primefaces/primereact

how to override the method PrimeReact uses to position the overlay

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Dominant language
CSS
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Description

Describe the bug

Hello, I am developing a map using the ReactFlow library. This library uses a div where it renders the map. It is possible to pan and zoom on the map, but it does so with CSS transformations. I am using PrimeReact's OverlayPanel, but I have encountered a problem. If the appendTo of the overlay is set to "self", it moves correctly with the map and applies the same zoom as the map since it is contained within a div to which the CSS transformation is applied. The problem is that it does not position correctly on the element that opens it. Is there any way to override the method PrimeReact uses to position the overlay and take into account the transformation of the parent container? Or, on the other hand, how could I position the element correctly if the container has a transformation? If the appendTo is set to the default, it positions correctly but becomes disconnected when panning or zooming the map.

Reproducer

No response

PrimeReact version

10

React version

17.x

Language

TypeScript

Build / Runtime

Create React App (CRA)

Browser(s)

No response

Steps to reproduce the behavior

No response

Expected behavior

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the OverlayPanel positioning behavior and its appendTo options in the ReactFlow transformed-container scenario. Compare the self and default append targets, then create a reproducible case for pan and zoom alignment; done means the overlay remains correctly positioned or the supported limitation and workaround are documented.

Written by the indexing model from the issue text.

Assessment

Tech stack
css, react, typescript
Domain
frontend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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