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use egui::NumExt as _;
use re_chunk_store::UnitChunkShared;
use re_entity_db::InstancePath;
use re_log_types::{ComponentPath, EntityPath, Instance, TimeInt, TimePoint};
use re_ui::{SyntaxHighlighting as _, UiExt as _};
use re_viewer_context::{UiLayout, ViewerContext};
use super::DataUi;
use crate::item_ui;
/// All the values of a specific [`re_log_types::ComponentPath`].
pub struct ComponentPathLatestAtResults<'a> {
pub component_path: ComponentPath,
pub unit: &'a UnitChunkShared,
}
impl DataUi for ComponentPathLatestAtResults<'_> {
fn data_ui(
&self,
ctx: &ViewerContext<'_>,
ui: &mut egui::Ui,
ui_layout: UiLayout,
query: &re_chunk_store::LatestAtQuery,
db: &re_entity_db::EntityDb,
) {
re_tracing::profile_function!(self.component_path.component);
ui.sanity_check();
let tokens = ui.tokens();
let ComponentPath {
entity_path,
component,
} = &self.component_path;
let engine = db.storage_engine();
let component = *component;
let Some(component_descriptor) = engine
.store()
.entity_component_descriptor(entity_path, component)
else {
ui.label(format!(
"Entity {entity_path:?} has no component {component:?}"
));
return;
};
let Some(num_instances) = self
.unit
.component_batch_raw(component)
.map(|data| data.len())
else {
ui.weak("<pending>");
return;
};
// in some cases, we don't want to display all instances
let max_row = match ui_layout {
UiLayout::List => 0,
UiLayout::Tooltip => num_instances.at_most(4), // includes "…x more" if any
UiLayout::SelectionPanel => num_instances,
};
let engine = db.storage_engine();
// Display data time and additional diagnostic information for static components.
if !ui_layout.is_single_line() {
let time = self
.unit
.index(&query.timeline())
.map_or(TimeInt::STATIC, |(time, _)| time);
// if the component is static, we display extra diagnostic information
if time.is_static() {
let static_message_count = engine
.store()
.num_static_events_for_component(entity_path, component);
if static_message_count > 1 {
ui.warning_label(format!(
"Static component value was overridden {} times.",
static_message_count.saturating_sub(1),
))
.on_hover_text(
"When a static component is logged multiple times, only the last value \
is stored. Previously logged values are overwritten and not \
recoverable.",
);
}
let temporal_message_count = engine
.store()
.num_temporal_events_for_component_on_all_timelines(entity_path, component);
if temporal_message_count > 0 {
ui.error_label(format!(
"Static component has {} event{} logged on timelines.",
temporal_message_count,
if temporal_message_count > 1 { "s" } else { "" }
))
.on_hover_text(
"Components should be logged either as static or on timelines, but \
never both. Values for static components logged to timelines cannot be \
displayed.",
);
}
} else {
let typ = db.timeline_type(&query.timeline());
let formatted_time = typ.format(time, ctx.app_options().timestamp_format);
ui.horizontal(|ui| {
ui.add(re_ui::icons::COMPONENT_TEMPORAL.as_image());
ui.label(format!("Temporal component at {formatted_time}"));
});
}
}
// Here we enforce that exactly `max_row` rows are displayed, which means that:
// - For `num_instances == max_row`, then `max_row` rows are displayed.
// - For `num_instances == max_row + 1`, then `max_row-1` rows are displayed and "…2 more"
// is appended.
//
// ┏━━━┳━━━┳━━━┳━━━┓
// ┃ 3 ┃ 4 ┃ 5 ┃ 6 ┃ <- num_instances
// ┗━━━┻━━━┻━━━┻━━━┛
// ┌───┬───┬───┬───┐ ┐
// │ x │ x │ x │ x │ │
// ├───┼───┼───┼───┤ │
// │ x │ x │ x │ x │ │
// ├───┼───┼───┼───┤ ├─ max_row == 4
// │ x │ x │ x │ x │ │
// ├───┼───┼───┼───┤ │
// │ │ x │…+2│…+3│ │
// └───┴───┴───┴───┘ ┘
let num_displayed_rows = if num_instances <= max_row {
num_instances
} else {
// this accounts for the "…x more" using a row and handles `num_instances == 0`
max_row.saturating_sub(1)
};
if num_instances <= 1 {
// Allow editing recording properties:
if entity_path.starts_with(&EntityPath::properties())
&& let Some(array) = self.unit.component_batch_raw(component)
&& ctx.component_ui_registry().try_show_edit_ui(
ctx,
ui,
re_viewer_context::EditTarget {
store_id: ctx.store_id().clone(),
timepoint: TimePoint::STATIC,
entity_path: entity_path.clone(),
},
array.as_ref(),
component_descriptor.clone(),
!ui_layout.is_single_line(),
)
{
return;
}
ctx.component_ui_registry().component_ui(
ctx,
ui,
ui_layout,
query,
db,
entity_path,
&component_descriptor,
self.unit,
&Instance::from(0),
);
} else if ui_layout.is_single_line() {
ui.label(format!("{} values", re_format::format_uint(num_instances)));
} else {
let table_style = re_ui::TableStyle::Dense;
ui_layout
.table(ui)
.resizable(false)
.cell_layout(egui::Layout::left_to_right(egui::Align::Center))
.column(egui_extras::Column::auto())
.column(egui_extras::Column::remainder())
.header(tokens.deprecated_table_header_height(), |mut header| {
re_ui::DesignTokens::setup_table_header(&mut header);
header.col(|ui| {
ui.label("Index");
});
header.col(|ui| {
ui.label(component_descriptor.display_name());
});
})
.body(|mut body| {
tokens.setup_table_body(&mut body, table_style);
let row_height = tokens.table_row_height(table_style);
body.rows(row_height, num_displayed_rows, |mut row| {
let instance = Instance::from(row.index() as u64);
row.col(|ui| {
let instance_text = instance.syntax_highlighted(ui.style());
if ui.is_tooltip() {
// Avoids interactive tooltips,
// because that means they stick around when you move your mouse
ui.label(instance_text);
} else {
let instance_path =
InstancePath::instance(entity_path.clone(), instance);
item_ui::instance_path_button_to(
ctx,
query,
db,
ui,
None,
&instance_path,
instance_text,
);
}
});
row.col(|ui| {
ctx.component_ui_registry().component_ui(
ctx,
ui,
UiLayout::List,
query,
db,
entity_path,
&component_descriptor,
self.unit,
&instance,
);
});
});
});
if num_instances > num_displayed_rows {
ui.label(format!(
"…and {} more.",
re_format::format_uint(num_instances - num_displayed_rows)
));
}
}
ui.sanity_check();
}
}