feat: implement node sockets ui

app/src/lib/graph-interface/graph-manager.svelte.ts

@@ -51,7 +51,7 @@ export class GraphManager extends EventEmitter<{
     id: number;
     nodes: SerializedNode[];
     edges: SerializedEdge[];
-    cameraPosition: [number, number, number];
+    nodeId: number; // group instance node id that was entered to reach the next level
   }[] = $state([]);
 
   // ID of the currently active group, or null when at the root graph.
@@ -642,11 +642,11 @@ export class GraphManager extends EventEmitter<{
 
   isInsideGroup = $derived(this.currentGroupId !== null);
 
-  enterGroup(nodeId: number, cameraPosition: [number, number, number]): boolean {
+  enterGroup(nodeId: number): boolean {
     const groupNode = this.getNode(nodeId);
     if (!groupNode || groupNode.type !== '__internal/group/instance') return false;
 
-    log.log('entering group', { nodeId, cameraPosition });
+    log.log('entering group', { nodeId });
 
     const groupId = groupNode.props?.groupId as number;
     const group = this.getGroup(groupId);
@@ -657,7 +657,7 @@ export class GraphManager extends EventEmitter<{
       id: this.currentGroupId ?? this.id,
       nodes: [...this.nodes.values()].map(n => serializeNode(n)),
       edges: [...this.edges.values()].map(e => serializeEdge(e)),
-      cameraPosition
+      nodeId
     });
     this.currentGroupId = groupId;
 
@@ -685,6 +685,8 @@ export class GraphManager extends EventEmitter<{
     this.history.reset();
     this.execute();
     this.save();
+
+    return { nodeId: parent.nodeId };
   }
 
   createNodeId() {

app/src/lib/graph-interface/graph-state.svelte.ts

@@ -365,7 +365,7 @@ export class GraphState {
     if (this.activeNodeId === -1) return;
     const node = this.graph.getNode(this.activeNodeId);
     if (!node || node.type !== '__internal/group/instance') return;
-    const ok = this.graph.enterGroup(this.activeNodeId, [...this.cameraPosition]);
+    const ok = this.graph.enterGroup(this.activeNodeId);
     if (ok) {
       this.activeNodeId = -1;
       this.clearSelection();
@@ -375,7 +375,6 @@ export class GraphState {
   exitGroupNode() {
     const result = this.graph.exitGroup();
     if (!result) return;
-    this.cameraPosition = result.camera;
     this.activeNodeId = result.nodeId;
     this.clearSelection();
   }

app/src/lib/graph-interface/graph/colors.ts

@@ -2,7 +2,7 @@ type Color = { hue: number; saturation: number; lightness: number };
 
 export class ColorGenerator {
   private colors: Map<string, Color> = new Map();
-  private lightnessLevels = [10, 60];
+  // private lightnessLevels = [10, 60];
 
   constructor(predefined: Record<string, Color>) {
     for (const [id, colorStr] of Object.entries(predefined)) {
@@ -10,6 +10,14 @@ export class ColorGenerator {
     }
   }
 
+  public getColors() {
+    return Object.fromEntries(
+      this.colors.entries().map(([key, col]) => {
+        return [key, this.colorToHsl(col)];
+      })
+    );
+  }
+
   public getColor(id: string): string {
     if (this.colors.has(id)) {
       return this.colorToHsl(this.colors.get(id)!);

app/src/lib/graph-interface/node/NodeHeader.svelte

@@ -26,6 +26,13 @@
   const rightBump = $derived(
     !!nodeType?.outputs?.length && node.type !== '__internal/group/input'
   );
+  const cornerBottom = $derived(
+    node.type === '__internal/group/input'
+      ? (Object.keys(nodeType?.inputs ?? {}).length ? 0 : 10)
+      : node.type === '__internal/group/output'
+      ? (nodeType?.outputs?.length ? 0 : 10)
+      : 0
+  );
 
   const aspectRatio = 0.25;
 
@@ -35,6 +42,7 @@
       height: 34,
       y: 49,
       cornerTop,
+      cornerBottom,
       rightBump,
       aspectRatio
     })
@@ -45,6 +53,7 @@
       height: 40,
       y: 49,
       cornerTop,
+      cornerBottom,
       rightBump,
       aspectRatio
     })

app/src/lib/sidebar/panels/GroupSettings.svelte

@@ -1,26 +1,26 @@
 <script lang="ts">
   import type { GraphManager } from '$lib/graph-interface/graph-manager.svelte';
+  import { GraphState } from '$lib/graph-interface/graph-state.svelte';
   import type { NodeInstance } from '@nodarium/types';
-  import InputSelect from '../../../../../packages/ui/src/lib/inputs/InputSelect.svelte';
+  import { SocketTable } from '@nodarium/ui';
   import UnusedGroupsPanel from './UnusedGroupsPanel.svelte';
 
   type Props = {
     manager: GraphManager;
+    graphState: GraphState;
     node?: NodeInstance;
   };
 
-  const { manager, node = $bindable() }: Props = $props();
+  const { manager, graphState, node = $bindable() }: Props = $props();
 
   const activeGroup = $derived.by(() => {
     if (node?.type === '__internal/group/instance') {
-      return manager.getGroup(node.props?.groupId as number);
+      let group = manager.getGroup(node.props?.groupId as number);
+      if (group) return group;
     }
 
-    if (manager?.isInsideGroup) {
-      const activeGroupId = manager.parentStack?.at(-1)?.id;
-      if (activeGroupId !== undefined) {
-        return manager.getGroup(activeGroupId);
-      }
+    if (manager?.isInsideGroup && manager.currentGroupId !== null) {
+      return manager.getGroup(manager.currentGroupId);
     }
   });
 
@@ -29,6 +29,47 @@
     const name = (e.target as HTMLInputElement).value;
     if (activeGroup) manager.renameGroup(activeGroup.id, name);
   }
+
+  function handleRemoveInput(key: string) {
+    if (!activeGroup) return;
+    const group = manager.getGroup(activeGroup?.id);
+    const inputs = $state.snapshot(group?.inputs ?? {});
+    delete inputs[key];
+    activeGroup.inputs = inputs;
+    manager.nodes = manager.nodes;
+    manager.save();
+  }
+
+  const types = $derived(
+    Array.from(
+      new Set(
+        manager?.registry
+          ? manager.registry.getAllNodes()
+            .flatMap(n =>
+              Object.values(n.inputs ?? {})
+                .map(v => v.type)
+            )
+          : []
+      )
+    )
+  );
+
+  let outputType = $derived(activeGroup?.outputs?.[0]?.type ?? 'unknown');
+
+  $effect(() => {
+    if (!activeGroup) return;
+    const group = manager.getGroup(activeGroup?.id);
+    const outputs = $state.snapshot(group?.outputs ?? []);
+    if (outputs?.[0]?.type === outputType) return;
+    activeGroup.outputs = [
+      {
+        label: outputs[0]?.label ?? 'Output',
+        type: outputType
+      }
+    ];
+    manager.nodes = manager.nodes;
+    manager.save();
+  });
 </script>
 
 {#if activeGroup}
@@ -39,7 +80,7 @@
 
 {#if activeGroup}
   {#key activeGroup.id}
-    <div class="group-settings">
+    <div class="p-4 group-settings">
       <label for="group-name">Group name</label>
       <input
         id="group-name"
@@ -51,18 +92,33 @@
 
       <label for="group-name">Group Inputs</label>
       <div>
-        {#each Object.keys(activeGroup?.inputs ?? {}) as key (key)}
-          <div class="flex">
-            <InputSelect
-              value={activeGroup.inputs?.[key].type}
-              options={['seed', 'float', 'boolean']}
-            />
-            <input type="text" placeholder="Input {key}" />
-            <button>
-              🥊
-            </button>
-          </div>
-        {/each}
+        <SocketTable
+          {types}
+          onremove={handleRemoveInput}
+          bind:inputs={activeGroup.inputs}
+          colors={graphState?.colors?.getColors()}
+        />
+      </div>
+
+      <label for="group-name mb-2">Group output</label>
+      <div class="flex bg-layer-2 rounded-sm outline outline-outline w-min">
+        <span
+          style:background={graphState?.colors?.getColor(outputType)}
+          class="block opacity-50 min-w-2 ml-2 w-2 h-2 my-auto rounded-sm"
+        ></span>
+        <select
+          class="text-[0.9em] shrink-0 px-2 py-1 border-outline"
+          bind:value={outputType}
+        >
+          {#each types as type (type)}
+            <option>
+              <span
+                style="background: {graphState?.colors?.getColor(type)}; width: 5px; height: 5px; border-radius: 5px;"
+              ></span>
+              {type}
+            </option>
+          {/each}
+        </select>
       </div>
     </div>
   {/key}
@@ -77,10 +133,9 @@
     display: flex;
     flex-direction: column;
     gap: 0.4em;
-    padding: 1em;
   }
 
-  .group-settings label {
+  label {
     font-size: 0.8em;
     opacity: 0.7;
   }

app/src/lib/sidebar/panels/UnusedGroupsPanel.svelte

@@ -48,7 +48,7 @@
 </script>
 
 {#if unusedTree.length}
-  <div class="panel">
+  <div class="panel p-4">
     <div class="header">
       <span>Unused groups</span>
       <button class="remove-all" onclick={() => manager.removeUnusedGroups()}>
@@ -78,8 +78,9 @@
 
 <style>
   .panel {
+    border-top: 1px solid var(--color-outline);
+    margin-top: -1px;
     border-bottom: 1px solid var(--color-outline);
-    padding: 0.75em 1em;
   }
 
   .header {

app/src/routes/+page.svelte

@@ -349,7 +349,7 @@
           />
           {#key activeNode}
             <ActiveNodeSettings {manager} bind:node={activeNode} />
-            <GroupSettings {manager} bind:node={activeNode} />
+            <GroupSettings graphState={graphInterface?.state} {manager} bind:node={activeNode} />
           {/key}
         </Panel>
         <Panel