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feat(bar): provide more options for emphasis focus ('stack', … #20724

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@rooney rooney commented Jan 29, 2025

…'stackSeries', and 'dataIndex'). close #20723

Brief Information

This pull request is in the type of:

  • bug fixing
  • new feature
  • others

What does this PR do?

Implement new options for emphasis.focus: 'stack' | 'stackSeries' | 'dataIndex'

Fixed issues

Details

Before: What was the problem?

On stacked bar charts, on hover, need to be able to emphasize the stack (not just 'self'):
image

After: How does it behave after the fixing?

You can specify emphasis: { focus: 'stack' } in the options.

Document Info

One of the following should be checked.

  • This PR doesn't relate to document changes
  • The document should be updated later
  • The document changes have been made in apache/echarts-doc#xxx

Misc

ZRender Changes

  • This PR depends on ZRender changes (ecomfe/zrender#xxx).

Related test cases or examples to use the new APIs

  • Test case and examples should be added later

Others

Merging options

  • Please squash the commits into a single one when merging.

Other information

What tests I should add?

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echarts-bot bot commented Jan 29, 2025

Thanks for your contribution!
The community will review it ASAP. In the meanwhile, please checkout the coding standard and Wiki about How to make a pull request.

Document changes are required in this PR. Please also make a PR to apache/echarts-doc for document changes and update the issue id in the PR description. When the doc PR is merged, the maintainers will remove the PR: awaiting doc label.

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[Feature] Bar charts: add more options for emphasis focus
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