re_component_ui 0.31.0

Provides ui editors for Rerun component data for registration with the Rerun Viewer component ui registry.
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use std::error::Error;

use re_protos::cloud::v1alpha1::EntryKind;
use re_types_core::{ComponentIdentifier, RowId};
use re_viewer_context::StoreViewContext;

/// Parse an `Int32Array` as an `EntryKind` and display it.
pub fn redap_entry_kind(
    _ctx: &StoreViewContext<'_>,
    ui: &mut egui::Ui,
    _component: ComponentIdentifier,
    _row_id: Option<RowId>,
    array: &dyn arrow::array::Array,
) -> Result<(), Box<dyn Error>> {
    if array.len() != 1 {
        return Err("component batches are not supported".into());
    }

    let value = array
        .as_any()
        .downcast_ref::<arrow::array::Int32Array>()
        .ok_or_else(|| format!("unsupported arrow datatype: {}", array.data_type()))?
        .value(0);

    let kind = EntryKind::try_from(value);
    let name = kind
        .as_ref()
        .map_or("Unknown EntryKind", EntryKind::display_name);
    ui.label(name);

    Ok(())
}