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https://issues.apache.org/jira/browse/NIFI-4764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16320653#comment-16320653
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ASF GitHub Bot commented on NIFI-4764:
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Github user mcgilman commented on the issue:
https://github.com/apache/nifi/pull/2394
The change should be pretty straight forward. Here is an example of setting
the title on the SVG elements [1]. In this example however, the tooltip is
dynamic and needs to be regularly updated. Your tooltips will be not be
changing based on the configuration so you only need to set them when those
elements are appended starting here [2].
[1]
https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/canvas/nf-process-group.js#L1195
[2]
https://github.com/apache/nifi/blob/6153fb64655701f7bfdaadfe1ff7c8def111422c/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-ui/src/main/webapp/js/nf/canvas/nf-process-group.js#L304
> Add tooltips to status bar icons
> --------------------------------
>
> Key: NIFI-4764
> URL: https://issues.apache.org/jira/browse/NIFI-4764
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core UI
> Reporter: Matt Burgess
>
> The current status bar has a number of icons that refer to various states of
> components in the NiFi instance, and with NiFi Registry support in 1.5.0
> there will be even more. Currently the documentation for these icons is in
> the User Guide, but it would nice to have tooltips for each icon (with its
> description and the count) so the information is readily available without
> having to go to the Help documentation in the UI.
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