[FEATURE] enhance StatChart with text mode options and refactor display l… #524
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…ogic - Introduced a new property in the StatChart schema to control how values and names are displayed. - Updated the migration logic to map from panel options and handle various display scenarios. - Refactored the StatChartBase component to utilize for determining what to display (value, name, both, or none). - Adjusted tests and expected outputs to reflect changes in text mode handling. - Enhanced the StatChartOptionsEditorSettings to allow users to select the desired text mode. Signed-off-by: Alexander Belyakin <[email protected]>
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Description
following issue #501
Implements Grafana's text mode feature to provide users with explicit control over what's displayed in stat panels. Previously, users were confused about when to use metricLabel vs legendFormat, and there was no way to show series names alongside values.
legendFormat: Template for formatting series names (e.g., {{instance}} - {{job}}). Applied to all series for display purposes.
metricLabel: Selects which label's value to display instead of the calculated number (e.g., show the "status" label value like "healthy" or "degraded" rather than a numeric metric).
textMode: Controls what to show - the calculated value, series name, both, or neither.
Updated and simplified the migration logic to map
textModefrom panel options and handle various display scenarios.Grafana's textMode values pass through directly without conversion. Existing panels default to auto for backward compatibility.
Screenshots
text mode = name
text mode = value
text mode = value and name
Checklist
[<catalog_entry>] <commit message>naming convention using one of thefollowing
catalog_entryvalues:FEATURE,ENHANCEMENT,BUGFIX,BREAKINGCHANGE,DOC,IGNORE.UI Changes