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import { useMemo, useCallback, useState, useEffect, useRef } from 'react';
import {
COLOR_PALETTES,
DataLoadFailed,
RefreshingBadge,
sampleColorPaletteById,
useEffectiveTimeRange,
useThemeMode,
useWidgetRefreshRate,
type ColorPaletteId
} from '@ska-octopus-widget-sdk/widget-sdk';
import { useApolloClient } from '@apollo/client';
import type { ApolloClient, NormalizedCacheObject } from '@apollo/client';
import createPlotlyComponent from 'react-plotly.js/factory';
import Plotly from 'plotly.js-dist-min';
import { Box } from '@mui/material';
import { getLegendAndMargin } from './legendUtils';
import styles from './HDBPPLiveWidget.module.css';
import { useInitialHistory, type Pt } from './hooks/useInitialHistory';
import LiveStreamDriver, { StreamMeta } from './hooks/useLiveStream';
import { CURR_VALUE_OP } from './graphql/operations';
import {
canonicalAttr,
formatLegendName,
parseMargins,
coerceMinMax,
numericValue
} from './utils/utils';
export interface HDBPPLiveWidgetProps {
instanceId: string;
attributes?: string[];
legendPosition?: 'left' | 'right' | 'top' | 'bottom';
colorMapPosition?: 'left' | 'right' | 'top' | 'bottom' | 'none';
/** Target max points per trace (used for server-side downsampling and live cap) */
maxPoints?: number;
appendInterval?: number;
showLegend?: boolean;
useLiveData?: boolean;
useHeatmap?: boolean;
heatmapConnectGaps?: boolean;
colorScheme?: ColorPaletteId;
customMargins?: string;
legendFormat?: string;
plotTitle?: string;
/** Downsampling strategy for initial history */
downsample?: 'minmax' | 'avg' | 'lttb' | 'none';
/** How enum values should be displayed */
enumDisplay?: 'value' | 'label';
}
const FALLBACK_ATTR = ['sys/tg_test/1/short_scalar_ro'];
type EnumDisplayMode = NonNullable<HDBPPLiveWidgetProps['enumDisplay']>;
type ColorMapPosition = NonNullable<HDBPPLiveWidgetProps['colorMapPosition']>;
type EnumLabelsByAttr = Record<string, string[]>;
const AVAILABLE_PALETTES = Object.keys(COLOR_PALETTES) as ColorPaletteId[];
const DEFAULT_COLOR_SCHEME: ColorPaletteId = (AVAILABLE_PALETTES.find(
(id) => id === 'scientificActon10'
) ??
AVAILABLE_PALETTES[0] ??
'tableau10') as ColorPaletteId;
const LINE_FALLBACK_COLOR = '#4cc9f0';
const LINE_LEGEND_FONT_SIZE = 9;
const ENUM_AXIS_FONT_SIZE = 9;
function buildPlotlyColorScale(paletteId: ColorPaletteId, stops = 24): Plotly.ColorScale {
const colors = sampleColorPaletteById(paletteId, Math.max(2, stops));
Iif (colors.length === 0) {
return [
[0, '#0f172a'],
[1, '#fbbf24']
];
}
Iif (colors.length === 1) {
const single = colors[0];
return [
[0, single],
[1, single]
];
}
return colors.map((hex, idx) => [idx / (colors.length - 1), hex]) as Plotly.ColorScale;
}
function buildEnumColorScale(paletteId: ColorPaletteId, statesCount: number): Plotly.ColorScale {
const safeStates = Math.max(1, statesCount);
const colors = sampleColorPaletteById(paletteId, safeStates);
Iif (safeStates === 1) {
const single = colors[0] ?? LINE_FALLBACK_COLOR;
return [
[0, single],
[1, single]
];
}
const scale: Plotly.ColorScale = [];
for (let idx = 0; idx < safeStates; idx++) {
const color = colors[idx] ?? colors[colors.length - 1] ?? LINE_FALLBACK_COLOR;
const start = idx / safeStates;
const end = (idx + 1) / safeStates;
scale.push([start, color], [end, color]);
}
return scale;
}
function enumLabelsForAttr(
enumLabelsByAttr: EnumLabelsByAttr,
attrKey: string
): string[] | undefined {
return enumLabelsByAttr[attrKey] ?? enumLabelsByAttr[attrKey.toLowerCase()];
}
function getColorbarPlacement(pos: ColorMapPosition): Record<string, any> {
switch (pos) {
case 'left':
return { x: -0.04, y: 0.5, xanchor: 'right', yanchor: 'middle', len: 0.72, thickness: 10 };
case 'top':
return {
x: 0.5,
y: 1.06,
xanchor: 'center',
yanchor: 'bottom',
len: 0.52,
thickness: 10,
orientation: 'h'
};
case 'bottom':
return {
x: 0.5,
y: -0.16,
xanchor: 'center',
yanchor: 'top',
len: 0.52,
thickness: 10,
orientation: 'h'
};
case 'none':
return {};
case 'right':
default:
return { x: 1.01, y: 0.5, xanchor: 'left', yanchor: 'middle', len: 0.72, thickness: 10 };
}
}
function buildHeatmapLabels(attrs: string[], legendFormat: string): string[] {
const keys = attrs.map((a) => canonicalAttr(a));
const raw = attrs.map((a) => formatLegendName(a, legendFormat ?? 'lastname').trim());
const baseLabels = raw.map((lbl, idx) => lbl || keys[idx]);
const counts = new Map<string, number>();
baseLabels.forEach((lbl) => counts.set(lbl, (counts.get(lbl) ?? 0) + 1));
const seen = new Map<string, number>();
return baseLabels.map((lbl) => {
const total = counts.get(lbl) ?? 0;
if (total <= 1) return lbl;
const order = (seen.get(lbl) ?? 0) + 1;
seen.set(lbl, order);
return order === 1 ? lbl : `${lbl} [${order}]`;
});
}
function enumLabelForValue(enumLabels: string[] | undefined, value: number | null): string | null {
if (!enumLabels || value === null || !Number.isFinite(value) || !Number.isInteger(value)) {
return null;
}
const idx = value as number;
Iif (idx < 0 || idx >= enumLabels.length) return null;
return enumLabels[idx] ?? null;
}
function toDisplayValue(
value: number | null,
enumLabels: string[] | undefined,
enumDisplay: EnumDisplayMode
): string {
Iif (value === null) return 'null';
if (enumDisplay === 'label') {
const label = enumLabelForValue(enumLabels, value);
if (label) return label;
}
return String(value);
}
function buildEnumAxisTicks(
attrs: string[],
dataMap: Record<string, Pt[]>,
enumLabelsByAttr: EnumLabelsByAttr
): { tickvals: number[]; ticktext: string[] } | null {
Iif (attrs.length === 0) return null;
const valueToLabel = new Map<number, string>();
for (const attr of attrs) {
const key = canonicalAttr(attr);
const labels = enumLabelsForAttr(enumLabelsByAttr, key);
if (!labels || labels.length === 0) return null;
const pts = dataMap[key] ?? [];
for (const pt of pts) {
const val = numericValue(pt.v);
Iif (val === null || !Number.isFinite(val) || !Number.isInteger(val)) return null;
const resolved = enumLabelForValue(labels, val);
Iif (!resolved) return null;
const existing = valueToLabel.get(val);
Iif (existing && existing !== resolved) return null;
valueToLabel.set(val, resolved);
}
}
Iif (valueToLabel.size === 0) return null;
const tickvals = Array.from(valueToLabel.keys()).sort((a, b) => a - b);
const ticktext = tickvals.map((v) => valueToLabel.get(v) ?? String(v));
return { tickvals, ticktext };
}
function buildLineTraces(
attrs: string[],
dataMap: Record<string, Pt[]>,
legendFormat: string,
paletteId: ColorPaletteId,
hidden: Set<string>,
enumDisplay: EnumDisplayMode,
enumLabelsByAttr: EnumLabelsByAttr
): Partial<Plotly.Data>[] {
const lineColors = sampleColorPaletteById(paletteId, Math.max(2, attrs.length));
return attrs.map((attr, idx) => {
const key = canonicalAttr(attr);
const pts = dataMap[key] ?? [];
const enumLabels = enumLabelsForAttr(enumLabelsByAttr, key);
const traceColor = lineColors[idx] ?? LINE_FALLBACK_COLOR;
const x: number[] = [];
const y: (number | null)[] = [];
const customData: string[] = [];
const errPlus: number[] = [];
const errMinus: number[] = [];
pts.forEach((p) => {
const { y: val, min, max } = coerceMinMax(p.v);
x.push(p.t);
y.push(val);
customData.push(toDisplayValue(val, enumLabels, enumDisplay));
Iif (min !== undefined && max !== undefined && val !== null) {
errPlus.push(Math.max(0, max - val));
errMinus.push(Math.max(0, val - min));
} else {
errPlus.push(0);
errMinus.push(0);
}
});
return {
type: 'scatter',
mode: 'lines+markers',
name: formatLegendName(attr, legendFormat ?? 'lastname'),
x,
y,
line: { color: traceColor },
marker: { size: 6 },
visible: hidden.has(key) ? 'legendonly' : true,
hovertemplate:
enumDisplay === 'label'
? '%{customdata}<br>%{x}<extra></extra>'
: '%{y}<br>%{x}<extra></extra>',
customdata: enumDisplay === 'label' ? customData : undefined,
error_y:
errPlus.some((v) => v > 0) || errMinus.some((v) => v > 0)
? {
type: 'data',
array: errPlus,
arrayminus: errMinus,
symmetric: false,
color: traceColor
}
: undefined
} as Partial<Plotly.Data>;
});
}
function buildHeatmap(
attrs: string[],
dataMap: Record<string, Pt[]>,
paletteId: ColorPaletteId,
maxPoints: number,
legendFormat: string,
connectGaps: boolean,
colorMapPosition: ColorMapPosition,
enumDisplay: EnumDisplayMode,
enumLabelsByAttr: EnumLabelsByAttr
): Partial<Plotly.Data> {
const keys = attrs.map((a) => canonicalAttr(a));
const y = buildHeatmapLabels(attrs, legendFormat);
const enumStateCounts = keys.map((key) => enumLabelsForAttr(enumLabelsByAttr, key)?.length ?? 0);
const hasEnumColors = enumStateCounts.length > 0 && enumStateCounts.every((n) => n > 0);
const enumStates = hasEnumColors ? Math.max(...enumStateCounts) : 0;
const enumTickvals = hasEnumColors ? Array.from({ length: enumStates }, (_, idx) => idx) : [];
const enumTicktext = hasEnumColors
? enumDisplay === 'label'
? enumTickvals.map((idx) => {
for (const key of keys) {
const label = enumLabelsForAttr(enumLabelsByAttr, key)?.[idx];
Eif (label) return label;
}
return String(idx);
})
: enumTickvals.map((idx) => String(idx))
: [];
const colorscale = hasEnumColors
? buildEnumColorScale(paletteId, enumStates)
: buildPlotlyColorScale(paletteId);
const showColorMap = colorMapPosition !== 'none';
const colorbarPos = getColorbarPlacement(colorMapPosition);
const base: Partial<Plotly.Data> = {
type: 'heatmap',
colorscale,
colorbar: showColorMap
? hasEnumColors
? {
...colorbarPos,
tickmode: 'array',
tickvals: enumTickvals,
ticktext: enumTicktext,
tickfont: { size: 9 }
}
: { ...colorbarPos, tickfont: { size: 9 } }
: undefined,
showscale: showColorMap,
zauto: hasEnumColors ? false : undefined,
zmin: hasEnumColors ? -0.5 : undefined,
zmax: hasEnumColors ? enumStates - 0.5 : undefined,
hovertemplate:
enumDisplay === 'label'
? 'Attr: %{y}<br>Value: %{text}<br>Time: %{x}<extra></extra>'
: 'Attr: %{y}<br>Value: %{z}<br>Time: %{x}<extra></extra>',
hoverongaps: false
};
if (connectGaps) {
let globalMin = Number.POSITIVE_INFINITY;
let globalMax = Number.NEGATIVE_INFINITY;
keys.forEach((k) => {
const pts = dataMap[k] ?? [];
Eif (pts.length > 0) {
globalMin = Math.min(globalMin, pts[0].t);
globalMax = Math.max(globalMax, pts[pts.length - 1].t);
}
});
Iif (!Number.isFinite(globalMin) || !Number.isFinite(globalMax) || globalMax <= globalMin) {
return { ...base, x: [], y, z: [] };
}
const columns = Math.max(1, maxPoints > 0 ? Math.min(maxPoints, 2000) : 500);
const step = columns === 1 ? 0 : (globalMax - globalMin) / (columns - 1);
const timeline = Array.from({ length: columns }, (_, idx) =>
columns === 1 ? globalMax : Math.round(globalMin + idx * step)
);
const x = timeline.map((t) => new Date(t).toISOString());
const z = keys.map((key) => {
const pts = (dataMap[key] ?? []).slice().sort((a, b) => a.t - b.t);
let cursor = 0;
let last: number | null = null;
return timeline.map((t) => {
while (cursor < pts.length && pts[cursor].t <= t) {
const val = numericValue(pts[cursor].v);
Eif (val !== null && Number.isFinite(val)) last = val;
cursor++;
}
return last;
});
});
const text =
enumDisplay === 'label'
? z.map((row, idx) =>
row.map((val) =>
toDisplayValue(val, enumLabelsForAttr(enumLabelsByAttr, keys[idx]), enumDisplay)
)
)
: undefined;
return { ...base, x, y, z, text, connectgaps: true };
}
const tsSet = new Set<number>();
keys.forEach((k) => (dataMap[k] ?? []).forEach((p) => tsSet.add(p.t)));
const xs = Array.from(tsSet)
.sort((a, b) => a - b)
.slice(-Math.max(1, maxPoints));
const x = xs.map((t) => new Date(t).toISOString());
const z = keys.map((key) => {
const map = new Map<number, number | null>(
(dataMap[key] ?? []).map((p) => [p.t, numericValue(p.v)])
);
return xs.map((t) => {
const val = map.get(t);
return val !== null && Number.isFinite(val) ? (val as number) : null;
});
});
return {
...base,
x,
y,
z,
text:
enumDisplay === 'label'
? z.map((row, idx) =>
row.map((val) =>
toDisplayValue(val, enumLabelsForAttr(enumLabelsByAttr, keys[idx]), enumDisplay)
)
)
: undefined,
connectgaps: false
} as Partial<Plotly.Data>;
}
export default function HDBPPLiveWidget({
instanceId,
attributes = FALLBACK_ATTR,
legendPosition = 'bottom',
colorMapPosition = 'right',
maxPoints = 100,
appendInterval = 0,
showLegend = true,
useLiveData = true,
useHeatmap = false,
heatmapConnectGaps = false,
customMargins = '',
colorScheme = DEFAULT_COLOR_SCHEME,
legendFormat = 'lastname',
plotTitle = '',
downsample = 'minmax',
enumDisplay = 'value'
}: HDBPPLiveWidgetProps) {
const safeAttributes = useMemo(() => {
const raw = Array.isArray(attributes) && attributes.length > 0 ? attributes : FALLBACK_ATTR;
return raw
.filter(Boolean)
.map((attr) => String(attr).trim().toLowerCase())
.filter(Boolean);
}, [attributes]);
/* ------------------------------------------------------------
* 1) Time range helper
* ------------------------------------------------------------ */
const { epochStart, epochEnd, presetMs } = useEffectiveTimeRange() as any;
const rangeMs = presetMs ?? epochEnd - epochStart;
/* ------------------------------------------------------------
* 2) Misc helpers
* ------------------------------------------------------------ */
const client = useApolloClient() as ApolloClient<NormalizedCacheObject>;
const { legend, margin: extraMargin } = useMemo(
() => getLegendAndMargin(legendPosition, showLegend),
[legendPosition, showLegend]
);
const { isDark } = useThemeMode();
const Plot = useMemo(() => createPlotlyComponent(Plotly), []);
const attrsSig = useMemo(() => {
const cleaned = safeAttributes.filter(Boolean).map((a) => a.trim());
const uniqueSorted = Array.from(new Set(cleaned)).sort();
return JSON.stringify(uniqueSorted);
}, [safeAttributes]);
const plotConfigSig = useMemo(
() =>
JSON.stringify({
useHeatmap,
heatmapConnectGaps,
legendPosition,
colorMapPosition,
enumDisplay,
showLegend,
customMargins,
plotTitle,
colorScheme,
legendFormat
}),
[
useHeatmap,
heatmapConnectGaps,
legendPosition,
colorMapPosition,
enumDisplay,
showLegend,
customMargins,
plotTitle,
colorScheme,
legendFormat
]
);
const [enumLabelsByAttr, setEnumLabelsByAttr] = useState<EnumLabelsByAttr>({});
useEffect(() => {
let cancelled = false;
setEnumLabelsByAttr({});
async function loadEnumLabels() {
Iif (!client || typeof client.query !== 'function' || safeAttributes.length === 0) return;
try {
const { data } = await client.query({
query: CURR_VALUE_OP,
variables: { fullNames: safeAttributes },
fetchPolicy: 'network-only'
});
Iif (cancelled) return;
const next: EnumLabelsByAttr = {};
(data?.attributes ?? []).forEach((row: any) => {
Iif (!row?.name || !Array.isArray(row.enumLabels) || row.enumLabels.length === 0) return;
const raw = row.device ? `${row.device}/${row.name}` : row.name;
const labels = row.enumLabels.filter((x: unknown) => typeof x === 'string');
Eif (labels.length > 0) {
const key = canonicalAttr(raw);
next[key] = labels;
next[key.toLowerCase()] = labels;
}
});
setEnumLabelsByAttr(next);
} catch {
if (!cancelled) setEnumLabelsByAttr({});
}
}
loadEnumLabels();
return () => {
cancelled = true;
};
}, [client, attrsSig, safeAttributes]);
/* ------------------------------------------------------------
* 3) Initial history fetch + optional polling
* ------------------------------------------------------------ */
const {
dataMap,
setDataMap,
status: histStatus,
error: histError,
refetch: refetchHistory,
missingAttributes
} = useInitialHistory(
client,
safeAttributes,
maxPoints, // -> server-side `maxPoints`
epochStart,
epochEnd,
rangeMs,
downsample
);
const refreshSec = useWidgetRefreshRate(instanceId);
const refetchRef = useRef(refetchHistory);
useEffect(() => {
refetchRef.current = refetchHistory;
}, [refetchHistory]);
useEffect(() => {
Eif (useLiveData || !refreshSec || refreshSec <= 0) return;
refetchRef.current();
const id = setInterval(() => refetchRef.current(), refreshSec * 1000);
return () => clearInterval(id);
}, [useLiveData, refreshSec]);
/* ------------------------------------------------------------
* 4) Live subscription (conditional)
* ------------------------------------------------------------ */
const hasData = Object.keys(dataMap).length > 0;
const canSubscribe = useLiveData && hasData;
const [streamStatus, setStreamStatus] = useState<'idle' | 'loading' | 'ok' | 'failed'>('idle');
const [streamError, setStreamError] = useState<any>(null);
const streamRetryRef = useRef<(() => void) | undefined>(undefined);
useEffect(() => {
if (!canSubscribe) {
setStreamStatus('idle');
setStreamError(null);
streamRetryRef.current = undefined;
}
}, [canSubscribe]);
const handleStreamMeta = useCallback((m: StreamMeta) => {
setStreamStatus(m.status ?? 'idle');
setStreamError(m.error ?? null);
streamRetryRef.current = m.retry;
}, []);
/* ------------------------------------------------------------
* 5) Legend toggle (lines only)
* ------------------------------------------------------------ */
const [hiddenKeys, setHiddenKeys] = useState<Set<string>>(new Set());
useEffect(() => {
setHiddenKeys(new Set());
}, [attrsSig]);
const handleLegendClick = useCallback(
(e: any) => {
const idx = e.curveNumber;
const rawAttr = safeAttributes[idx];
const key = canonicalAttr(rawAttr);
setHiddenKeys((prev) => {
const next = new Set(prev);
if (next.has(key)) {
next.delete(key);
} else {
next.add(key);
}
return next;
});
return false;
},
[safeAttributes]
);
const handleLegendDoubleClick = useCallback(
(e: any) => {
const idx = e.curveNumber;
const rawAttr = safeAttributes[idx];
const key = canonicalAttr(rawAttr);
setHiddenKeys((prev) => {
const total = safeAttributes.length;
const isIsolatedToThis = prev.size === total - 1 && !prev.has(key);
if (isIsolatedToThis) {
return new Set();
}
const next = new Set<string>();
safeAttributes.forEach((attr) => {
const k = canonicalAttr(attr);
if (k !== key) next.add(k);
});
return next;
});
return false;
},
[safeAttributes]
);
/* ------------------------------------------------------------
* 6) Traces
* ------------------------------------------------------------ */
const lineTraces = useMemo(
() =>
buildLineTraces(
safeAttributes,
dataMap,
legendFormat,
colorScheme,
hiddenKeys,
enumDisplay,
enumLabelsByAttr
),
[safeAttributes, dataMap, legendFormat, colorScheme, hiddenKeys, enumDisplay, enumLabelsByAttr]
);
const heatmapTrace = useMemo(
() =>
buildHeatmap(
safeAttributes,
dataMap,
colorScheme,
maxPoints,
legendFormat ?? 'lastname',
heatmapConnectGaps,
colorMapPosition,
enumDisplay,
enumLabelsByAttr
),
[
safeAttributes,
dataMap,
colorScheme,
maxPoints,
legendFormat,
heatmapConnectGaps,
colorMapPosition,
enumDisplay,
enumLabelsByAttr
]
);
const enumAxisTicks = useMemo(() => {
if (useHeatmap || enumDisplay !== 'label') return null;
return buildEnumAxisTicks(safeAttributes, dataMap, enumLabelsByAttr);
}, [useHeatmap, enumDisplay, safeAttributes, dataMap, enumLabelsByAttr]);
/* ------------------------------------------------------------
* 7) Layout
* ------------------------------------------------------------ */
const { isDark: dark } = { isDark };
const layout = useMemo<Partial<Plotly.Layout>>(() => {
const parsedMargins = parseMargins(customMargins);
const hasTitle = Boolean((plotTitle || '').trim());
const topMargin = hasTitle ? 60 : 18;
const mergedMargin = {
t: topMargin,
r: 6,
b: 22,
l: 32,
...extraMargin,
...parsedMargins
};
if (hasTitle) {
mergedMargin.t = Math.max(topMargin, mergedMargin.t ?? topMargin);
}
if (useHeatmap) {
if (colorMapPosition === 'left') mergedMargin.l = Math.max(mergedMargin.l ?? 40, 72);
if (colorMapPosition === 'right') mergedMargin.r = Math.max(mergedMargin.r ?? 10, 68);
Iif (colorMapPosition === 'top') mergedMargin.t = Math.max(mergedMargin.t ?? topMargin, 76);
Iif (colorMapPosition === 'bottom') mergedMargin.b = Math.max(mergedMargin.b ?? 30, 70);
}
const yaxis = useHeatmap
? { title: 'Attributes', gridcolor: dark ? '#444' : '#ddd', type: 'category' as const }
: { title: 'Value', gridcolor: dark ? '#444' : '#ddd' };
if (!useHeatmap && enumDisplay === 'label' && enumAxisTicks) {
Object.assign(yaxis, {
title: 'State',
tickmode: 'array',
tickvals: enumAxisTicks.tickvals,
ticktext: enumAxisTicks.ticktext,
tickfont: { size: ENUM_AXIS_FONT_SIZE, color: dark ? '#e0e0e0' : '#222' }
});
}
const legendCfg = {
...legend,
font: {
...(legend.font ?? {}),
size: LINE_LEGEND_FONT_SIZE,
color: dark ? '#e0e0e0' : '#222'
}
};
const base: Partial<Plotly.Layout> = {
template: dark ? ('plotly_dark' as any) : undefined,
autosize: true,
margin: mergedMargin,
paper_bgcolor: dark ? '#1e1e1e' : 'transparent',
plot_bgcolor: dark ? '#1e1e1e' : 'transparent',
font: { color: dark ? '#e0e0e0' : '#222' },
xaxis: { title: 'Time', gridcolor: dark ? '#444' : '#ddd', type: 'date' },
yaxis,
legend: legendCfg,
showlegend: showLegend && !useHeatmap
};
if (hasTitle) {
(base as any).title = { text: plotTitle, x: 0.5, xanchor: 'center' };
}
return base;
}, [
dark,
legend,
extraMargin,
showLegend,
useHeatmap,
colorMapPosition,
customMargins,
plotTitle,
enumDisplay,
enumAxisTicks
]);
const missingDisplayNames = useMemo(
() => missingAttributes.map((attr) => formatLegendName(attr, legendFormat ?? 'lastname')),
[missingAttributes, legendFormat]
);
/* ------------------------------------------------------------
* 8) Early / error states
* ------------------------------------------------------------ */
Iif (histStatus === 'failed' && !hasData)
return (
<DataLoadFailed
message="Failed to load history"
error={histError as any}
handleRetry={refetchHistory}
/>
);
Iif (useLiveData && streamStatus === 'failed' && !hasData)
return (
<DataLoadFailed
message="Subscription failed"
error={streamError}
handleRetry={streamRetryRef.current}
/>
);
/* ------------------------------------------------------------
* 9) Render
* ------------------------------------------------------------ */
const refreshing =
histStatus === 'loading' ||
histStatus === 'refreshing' ||
(useLiveData && streamStatus === 'loading');
const plotData = useHeatmap ? [heatmapTrace] : lineTraces;
return (
<Box className={styles.container}>
{missingAttributes.length > 0 && (
<div className={styles.warning} role="status">
Some attributes failed to load: {missingDisplayNames.join(', ')}
</div>
)}
<div className={styles.plotShell}>
{canSubscribe && (
<LiveStreamDriver
attrs={safeAttributes}
maxPoints={maxPoints}
setDataMap={setDataMap}
appendIntervalSec={appendInterval}
onStatus={handleStreamMeta}
/>
)}
<Plot
key={`plot-${attrsSig}-${plotConfigSig}`}
data={plotData as any}
layout={layout}
config={{ responsive: true, displayModeBar: false }}
useResizeHandler
className={styles.plot}
onLegendClick={useHeatmap ? undefined : handleLegendClick}
onLegendDoubleClick={useHeatmap ? undefined : handleLegendDoubleClick}
/>
{/* Subtle refresh indicator that doesn't replace the chart */}
<RefreshingBadge active={refreshing} text="Refreshing…" position="top-right" />
</div>
</Box>
);
}
|