Files
nodarium/frontend/src/lib/components/graph/GraphView.svelte
2024-03-13 14:30:30 +01:00

76 lines
1.9 KiB
Svelte

<script lang="ts">
import type { Edge as EdgeType, Node as NodeType, Socket } from "$lib/types";
import { HTML } from "@threlte/extras";
import Edge from "../edges/Edge.svelte";
import Node from "../Node.svelte";
import { getContext, onMount } from "svelte";
import type { Writable } from "svelte/store";
import { activeSocket } from "./stores";
export let nodes: Writable<Map<number, NodeType>>;
export let edges: Writable<EdgeType[]>;
export let cameraPosition = [0, 1, 0];
const isNodeInView = getContext<(n: NodeType) => boolean>("isNodeInView");
function getEdgePosition(edge: EdgeType) {
const index = Object.keys(edge[2].tmp?.type?.inputs || {}).indexOf(edge[3]);
return [
edge[0].position.x + 5,
edge[0].position.y + 0.625 + edge[1] * 2.5,
edge[2].position.x,
edge[2].position.y + 2.5 + index * 2.5,
];
}
onMount(() => {
for (const node of $nodes.values()) {
if (node?.tmp?.ref) {
node.tmp.ref.style.setProperty("--nx", `${node.position.x * 10}px`);
node.tmp.ref.style.setProperty("--ny", `${node.position.y * 10}px`);
}
}
});
</script>
{#each $edges as edge (edge[0].id + edge[2].id + edge[3])}
{@const pos = getEdgePosition(edge)}
{@const [x1, y1, x2, y2] = pos}
<Edge
from={{
x: x1,
y: y1,
}}
to={{
x: x2,
y: y2,
}}
/>
{/each}
<HTML transform={false}>
<div
role="tree"
tabindex="0"
class="wrapper"
class:zoom-small={cameraPosition[2] < 10}
class:hovering-sockets={activeSocket}
style={`--cz: ${cameraPosition[2]}`}
>
{#each $nodes.values() as node (node.id)}
<Node {node} inView={cameraPosition && isNodeInView(node)} />
{/each}
</div>
</HTML>
<style>
.wrapper {
position: absolute;
z-index: 100;
width: 0px;
height: 0px;
transform: scale(calc(var(--cz) * 0.1));
}
</style>