node-graph
Builds GraphNode NodeGraph Select TextArea TextInput


The code that drew it
A still frame holds a repeating animation at its first frame and a one-shot at its last, because a still of a moving thing is not reproducible. Run the gallery to review motion.
fn node_graph(_window: &mut Window, cx: &mut App) -> AnyElement {
if !cx.has_global::<SceneGraph>() {
cx.set_global(SceneGraph {
viewport: GraphViewport::default(),
ingest: gpui::point(24.0, 200.0),
validate: gpui::point(244.0, 56.0),
persist: gpui::point(500.0, 56.0),
observe: gpui::point(464.0, 330.0),
publish: gpui::point(684.0, 200.0),
edges: vec![
GraphEdge::new("scene.graph.ingest", "scene.graph.validate")
.id("scene.graph.edge.rows")
.ports("rows", "records")
.label("12.4k rows")
.active(true),
GraphEdge::new("scene.graph.validate", "scene.graph.persist")
.id("scene.graph.edge.valid")
.ports("valid", "records")
.active(true),
GraphEdge::new("scene.graph.validate", "scene.graph.observe")
.id("scene.graph.edge.telemetry")
.ports("telemetry", "events")
.label("telemetry")
.lane(-1),
GraphEdge::new("scene.graph.persist", "scene.graph.publish")
.id("scene.graph.edge.commit")
.ports("commit", "artifact")
.label("commit 8f72")
.active(true),
GraphEdge::new("scene.graph.observe", "scene.graph.validate")
.id("scene.graph.edge.retry")
.ports("retry", "retry")
.label("retry policy")
.lane(1)
.feedback(),
],
});
}
let scene = cx.global::<SceneGraph>();
let viewport = scene.viewport;
let ingest = scene.ingest;
let validate = scene.validate;
let persist = scene.persist;
let observe = scene.observe;
let publish = scene.publish;
let edges = scene.edges.clone();
let theme = cx.theme().clone();
stack(&theme)
.child(
div().w(px(860.0)).h(px(500.0)).child(
NodeGraph::new("scene.graph")
.viewport(viewport)
.zoom_range(0.55, 1.8)
.node(
GraphNode::new("scene.graph.ingest", "Stream ingest")
.width(176.0)
.state(NodeState::Succeeded)
.action("orders.v2 · partition 18")
.metric("rate", "3.2k/s")
.port(GraphPort::input("source", "Source").side(PortSide::Top))
.port(GraphPort::output("rows", "Rows"))
.port(GraphPort::output("errors", "Errors")),
ingest.x,
ingest.y,
)
.node(
GraphNode::new("scene.graph.validate", "Validate & enrich")
.width(176.0)
.state(NodeState::Running)
.action("schema + fraud signals")
.metric("p95", "18 ms")
.port(GraphPort::input("records", "Records"))
.port(GraphPort::input("retry", "Retry").side(PortSide::Bottom))
.port(GraphPort::output("valid", "Valid"))
.port(GraphPort::output("telemetry", "Events").side(PortSide::Bottom))
.selected(true),
validate.x,
validate.y,
)
.node(
GraphNode::new("scene.graph.persist", "Persist batch")
.width(176.0)
.state(NodeState::Succeeded)
.action("warehouse / orders")
.metric("written", "12.3k")
.port(GraphPort::input("records", "Records"))
.port(GraphPort::output("commit", "Commit")),
persist.x,
persist.y,
)
.node(
GraphNode::new("scene.graph.observe", "Observe quality")
.width(176.0)
.state(NodeState::Failed)
.action("drift threshold exceeded")
.metric("rejected", "94")
.port(GraphPort::input("events", "Events").side(PortSide::Top))
.port(GraphPort::output("retry", "Retry").side(PortSide::Top)),
observe.x,
observe.y,
)
.node(
GraphNode::new("scene.graph.publish", "Publish artifact")
.width(176.0)
.state(NodeState::Pending)
.action("waiting for commit")
.port(GraphPort::input("artifact", "Artifact").side(PortSide::Top))
.port(GraphPort::output("release", "Release").side(PortSide::Bottom)),
publish.x,
publish.y,
)
.edges(edges)
.on_event(|event, _, cx| {
cx.update_global::<SceneGraph, ()>(|scene, _| match event {
NodeGraphEvent::ViewportChanged(viewport) => {
scene.viewport = *viewport;
}
NodeGraphEvent::NodeMoved { id, position } => match id.as_ref() {
"scene.graph.ingest" => scene.ingest = *position,
"scene.graph.validate" => scene.validate = *position,
"scene.graph.persist" => scene.persist = *position,
"scene.graph.observe" => scene.observe = *position,
"scene.graph.publish" => scene.publish = *position,
_ => {}
},
NodeGraphEvent::ConnectionRequested { from, to } => {
let id = format!(
"scene.graph.edge.user.{}.{}.{}.{}",
from.node, from.port, to.node, to.port
);
if !scene
.edges
.iter()
.any(|edge| edge.from() == &from.node && edge.to() == &to.node)
{
scene.edges.push(
GraphEdge::new(from.node.clone(), to.node.clone())
.id(id)
.ports(from.port.clone(), to.port.clone())
.label("new connection"),
);
}
}
});
cx.refresh_windows();
}),
),
)
.into_any_element()
}