vaadin / vaadin/framework

TabSheet: Support for "Fixed" tabs at the left

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#9,726 2 comments 0 reactions 0 assignees View on GitHub

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enhancement
Dominant language
Java
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Hi,

It would be a nice improvement to have an option to make Tab(s) at the left
of the TabSheet optionally "Fixed".

We have a "Desktop" sheet as first tab. The desktop should be as accessible as possible.
But if there are man open tasks, and the user begins to scroll to the right, the left tabs are
hidden, of course. With fixed tab(s) at the left, scrolling should only happen in the non-fixed tabs
at the right.

This way, the first tab would always be selectable with a single click :-)

Best regards
Benjamin

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 by locating the TabSheet implementation and its existing tab-scrolling behavior. Trace how tabs are rendered and scrolled, then determine how an optional fixed-left tab setting would fit the current API. Done means selected left tabs remain visible while only the remaining tabs scroll, with coverage for the new behavior.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
frontend, web-dev
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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