Creates an instance of AnnounceZCommand.
The application context.
The text view model.
The audio service.
The text service for mode-aware formatting.
The display service for scope management.
Protected ReadonlycontextProtected ReadonlytextProtected ReadonlyaudioProtected ReadonlytextProtected ReadonlydisplayProtectedrestoreRestores the scope to the previous scope before entering label mode. Uses DisplayService to properly manage the focus stack and restore the correct scope (TRACE, BRAILLE, etc.) regardless of which scope was active before entering label mode.
Executes the command to display the z (level) information. Checks for valid z-axis data which is in state.text.z with label and value properties. Supports: candlestick (trend), heatmap (z), segmented bars (level), multi-line (group).
Command to describe the z (level) property. Works with candlestick (trend), heatmap (z value), segmented bars (level), and multi-series line charts (group).