re_arrow_ui 0.33.0

Show arrow data in a tree of rerun list_items and format arrow with syntax highlighting.
Documentation 
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use arrow::array::Array;
use arrow::error::ArrowError;
use re_log_types::TimestampFormat;
use re_ui::list_item::list_item_scope;
use re_ui::{UiExt as _, UiLayout};

use crate::datatype_ui::DataTypeUi;
use crate::show_index::{ArrayUi, DisplayOptions};

pub fn arrow_ui(
    ui: &mut egui::Ui,
    ui_layout: UiLayout,
    timestamp_format: TimestampFormat,
    array: &dyn Array,
) {
    re_tracing::profile_function!();

    let previous_wrap_mode = ui.style().wrap_mode;
    if ui_layout != UiLayout::Inline {
        ui.style_mut().wrap_mode = Some(egui::TextWrapMode::Truncate);
    }

    match make_ui(timestamp_format, array) {
        Ok(array_formatter) => match ui_layout {
            UiLayout::SelectionPanel => {
                // Data type has a separate scope to prevent items from being aligned.
                // If they are aligned it makes it confusingly look like a table.
                list_item_scope(ui, "arrow_data_type_ui", |ui| {
                    DataTypeUi::new(array.data_type()).list_item_ui(ui);
                });
                list_item_scope(ui, "arrow_ui", |ui| {
                    if array.len() == 1 {
                        array_formatter.show_value(0, ui);
                    } else {
                        array_formatter.show(ui);
                    }
                });
            }
            UiLayout::Tooltip | UiLayout::List | UiLayout::Inline => {
                let highlighted = if array.len() == 1 {
                    array_formatter.value_highlighted(0)
                } else {
                    array_formatter.highlighted()
                };
                match highlighted {
                    Ok(job) => {
                        ui_layout.data_label(ui, job);
                    }
                    Err(err) => {
                        ui.error_with_details_on_hover(err.to_string());
                    }
                }
            }
        },
        Err(err) => {
            ui.error_with_details_on_hover(err.to_string());
        }
    }
    ui.style_mut().wrap_mode = previous_wrap_mode;
}

pub(crate) fn make_ui(
    timestamp_format: TimestampFormat,
    array: &dyn Array,
) -> Result<ArrayUi<'_>, ArrowError> {
    let array_ui = ArrayUi::try_new(
        array,
        &DisplayOptions {
            timestamp_format,
            max_string_chars: if array.len() > 1 { 100 } else { usize::MAX },
            ..Default::default()
        },
    )?;
    Ok(array_ui)
}