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Fix empty world map by auto-fitting after load and sampling NEs across the extent.

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World coords sit far outside the default viewport, so opening the flat map looked blank; also lower minZoom and stride-sample so the overview is visible without a truncate banner.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
oliver 2026-08-07 02:35:26 +08:00
parent 48b10656d2
commit af331e92ca
2 changed files with 65 additions and 14 deletions
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40
web/src/pages/TopologyPage.tsx
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@ -1095,6 +1095,8 @@ export function TopologyPage() {
const dirtyRef = useRef(false);
const appliedMapIdRef = useRef("");
const appliedGraphFpRef = useRef("");
/** Fit once after graph hydrate — world coords are far outside the default viewport. */
const pendingFitRef = useRef(false);
const nodesRef = useRef<Node<NeNodeData>[]>([]);
const historyRef = useRef<HistorySnap[]>([]);
const redoRef = useRef<HistorySnap[]>([]);
@ -1337,7 +1339,10 @@ export function TopologyPage() {
return { drill, flatView };
}, [activeRegion]);
const isWorldFlatCanvas = isWorldFlatViewName(activeView?.name);
const isWorldFlatCanvas =
isWorldFlatViewName(activeView?.name) ||
isWorldFlatViewName(graphQuery.data?.view?.name) ||
Boolean(graphQuery.data?.view?.filter?.world_flat);
// Resolve World drill view id for shortcuts; do not auto-open canvas.
useEffect(() => {
@ -1587,11 +1592,34 @@ export function TopologyPage() {
pendingEdgeCreatesRef.current = new Set();
clearDirty();
bumpHistory();
// Do not auto-fit on canvas switch — user clicks 适应画布.
// World / large canvases use absolute coords far outside the default RF
// viewport — without an initial fit the canvas looks empty after load.
pendingFitRef.current = nextNodes.length > 0;
}
historyLockRef.current = false;
}, [canvasMode, mapId, graphQuery.data, edgeDefaults, setNodes, setEdges, clearDirty, bumpHistory]);
useEffect(() => {
if (!pendingFitRef.current || !nodes.length) return;
let cancelled = false;
let tries = 0;
const run = () => {
if (cancelled) return;
const inst = rfRef.current;
if (!inst) {
if (tries++ < 20) window.setTimeout(run, 50);
return;
}
pendingFitRef.current = false;
inst.fitView({ ...FIT_VIEW_OPTS, duration: 200 });
};
const t = window.setTimeout(run, 40);
return () => {
cancelled = true;
window.clearTimeout(t);
};
}, [nodes, mapId]);
useEffect(() => {
setEdges((eds) => eds.map((e) => withEdgeVisual(e, edgeDefaults)));
}, [edgeDefaults, setEdges]);
@ -3495,13 +3523,15 @@ export function TopologyPage() {
const truncateBannerText = useMemo(() => {
if (!graphTruncated) return "";
// World map soft-caps viewport nodes; the banner is noise there.
if (isWorldFlatViewName(activeView?.name)) return "";
if (isWorldFlatViewName(activeView?.name) || Boolean(graphQuery.data?.view?.filter?.world_flat)) {
return "";
}
if (truncateReason === "membership_cap") return t("topology.truncatedMembership");
if (truncateReason === "membership_frozen") return t("topology.truncatedFrozen");
if (truncateReason === "too_many_view_nodes") return t("topology.truncatedNodes");
if (truncateReason === "too_many_edges") return t("topology.truncatedEdges");
return t("topology.truncatedGeneric");
}, [graphTruncated, truncateReason, activeView?.name, t]);
}, [graphTruncated, truncateReason, activeView?.name, graphQuery.data?.view?.filter?.world_flat, t]);
const activeLeafName = useMemo(() => {
if (!mapId) return "";
if (activeView?.name) return activeView.name;
@ -4822,7 +4852,7 @@ export function TopologyPage() {
connectionLineStyle={{ stroke: "#38bdf8", strokeWidth: 2 }}
defaultEdgeOptions={{ type: "straight", labelShowBg: false }}
proOptions={{ hideAttribution: true }}
minZoom={0.05}
minZoom={isWorldFlatCanvas ? 0.005 : 0.05}
maxZoom={4}
nodesDraggable={toolBehavior.nodesDraggable}
nodesConnectable={toolBehavior.nodesConnectable}