amosblomqvist
b92237fd56
- ZOOM_MAX 2× → 4×: node titles reach ~50px rendered, comfortable for close reading. Single tunable constant. - Smooth zoom: a 180ms ease-out CSS transition on the transform wrapper — CSS retargets from the current computed value, so chained wheel ticks and the fit/button zooms all glide instead of snapping. Disabled while dragging (per-frame pans must not rubber-band). panning is React state toggled at drag start/end.
584 lines
22 KiB
TypeScript
584 lines
22 KiB
TypeScript
"use client";
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import { useEffect, useId, useMemo, useRef, useState } from "react";
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import { MaximizeIcon, MinusIcon, PlusIcon, XIcon } from "lucide-react";
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import { cn } from "@/lib/utils";
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import type { PlanBlockData, PlanNodeStatus, PlanTree } from "@/src/core";
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import { derivedNodeStatus, derivePlanStatuses } from "@/src/core";
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/**
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* PLAN BLOCKS — the plan lives in the chat (wave 4): persisted
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* `data-plan-block` parts render as DAG blocks in the transcript flow, and
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* the right sidebar is retired.
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*
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* - kind "full": the whole DAG, BORDERLESS — no wrapping chrome, the SVG
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* scales to the full column width (viewBox = layout extent + GRAPH_PAD,
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* so strokes/glow never clip), natural height, capped at the chat prose
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* font size (TEXT_CAP_SCALE — fills the column, never oversizes text).
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* - Clicking opens the full plan in a full-screen popup overlay —
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* the LIVE plan: the latest tree from the transcript with statuses
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* derived at click time (contracts/plan.ts derivePlanStatuses). Blocks
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* are frozen snapshots rendered exactly as carried (never re-derived);
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* the popup is the live view (user decision, 2026-09).
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*
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* Hand-built SVG everywhere (user decision): a deterministic layered
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* layout fills exactly and stays SSR-testable — no force simulation, no
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* coupling to the graph stream's sigma internals. Pan/zoom in the popup
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* is harvested from the retired tree panel's graph (fit-floor semantics:
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* fully zoomed out IS the fit; panning locks at the floor).
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*/
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// ─── Layout constants + pure helpers (exported for tests) ────────────────────
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export const NODE_W = 160;
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export const NODE_H = 44;
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export const GAP_X = 24;
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export const GAP_Y = 48;
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/** A node for layout purposes — the payload's shape and the tree's shape agree. */
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export interface LayoutNode {
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id: string;
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title: string;
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}
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/** Topological order + longest-path depth (Kahn, authoring tie-break). */
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export function topoFor(nodes: readonly LayoutNode[], edges: ReadonlyArray<{ from: string; to: string }>) {
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const index = new Map(nodes.map((n, i) => [n.id, i] as const));
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const indegree = new Map<string, number>(nodes.map((n) => [n.id, 0] as const));
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const dependents = new Map<string, string[]>();
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for (const e of edges) {
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if (!index.has(e.from) || !index.has(e.to)) continue; // defensive: dangling ids
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indegree.set(e.to, (indegree.get(e.to) ?? 0) + 1);
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const list = dependents.get(e.from);
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if (list) list.push(e.to);
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else dependents.set(e.from, [e.to]);
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}
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const ready = nodes.filter((n) => (indegree.get(n.id) ?? 0) === 0).map((n) => n.id);
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const order: LayoutNode[] = [];
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const depth = new Map<string, number>();
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const byId = new Map(nodes.map((n) => [n.id, n] as const));
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while (ready.length > 0) {
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ready.sort((a, b) => (index.get(a) ?? 0) - (index.get(b) ?? 0));
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const id = ready.shift()!;
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const node = byId.get(id);
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if (node) order.push(node);
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const d = depth.get(id) ?? 0;
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depth.set(id, d);
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for (const t of dependents.get(id) ?? []) {
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if ((depth.get(t) ?? -1) < d + 1) depth.set(t, d + 1);
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const left = (indegree.get(t) ?? 0) - 1;
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indegree.set(t, left);
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if (left === 0) ready.push(t);
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}
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}
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for (const n of nodes) {
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if (!depth.has(n.id)) {
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order.push(n);
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depth.set(n.id, 0);
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}
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}
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return { order, depth };
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}
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/** Layered positions: depth = row (top-down), authoring order within the
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* row, each row centered on the widest one. */
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export function blockLayout(nodes: readonly LayoutNode[], edges: ReadonlyArray<{ from: string; to: string }>) {
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const { order, depth } = topoFor(nodes, edges);
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const layers: LayoutNode[][] = [];
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for (const n of order) {
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const d = depth.get(n.id) ?? 0;
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if (!layers[d]) layers[d] = [];
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layers[d].push(n);
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}
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const rowWidth = (l: LayoutNode[]) => l.length * NODE_W + (l.length - 1) * GAP_X;
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let maxWidth = 0;
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for (const l of layers) maxWidth = Math.max(maxWidth, rowWidth(l));
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const x = new Map<string, number>();
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const y = new Map<string, number>();
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layers.forEach((l, d) => {
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const start = (maxWidth - rowWidth(l)) / 2;
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l.forEach((n, i) => {
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x.set(n.id, start + i * (NODE_W + GAP_X));
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y.set(n.id, d * (NODE_H + GAP_Y));
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});
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});
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const height = layers.length * NODE_H + Math.max(0, layers.length - 1) * GAP_Y;
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return { x, y, width: maxWidth, height };
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}
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/** Greedy word wrap to ≤ maxLines lines of ≤ maxChars; overflow ends in an
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* ellipsis, a single oversized word is hard-clamped. Pure. */
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export function wrapTitle(title: string, maxChars = 20, maxLines = 2): string[] {
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const words = title.trim().split(/\s+/).filter(Boolean);
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if (words.length === 0) return [""];
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const lines: string[] = [];
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for (const w of words) {
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const last = lines[lines.length - 1];
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const fits = last !== undefined && last.length + 1 + w.length <= maxChars;
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if (fits) {
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lines[lines.length - 1] = `${last} ${w}`;
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} else if (lines.length < maxLines) {
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lines.push(w.length > maxChars ? `${w.slice(0, maxChars - 1)}…` : w);
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} else {
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const lastLine = lines[lines.length - 1];
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if (lastLine !== undefined && !lastLine.endsWith("…")) {
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lines[lines.length - 1] =
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lastLine.length >= maxChars ? `${lastLine.slice(0, maxChars - 1)}…` : `${lastLine}…`;
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}
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}
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}
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return lines;
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}
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// ─── Geometry caps (owner, plan-graph refinement round 1) ─────────────────────
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/** SVG-unit padding around the layout extent: strokes are centered on the
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* geometry (half bleeds outside the extent) and the glow halo reaches −4 —
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* without this pad the outermost node borders clip at the svg edge. */
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export const GRAPH_PAD = 8;
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/** Node titles render at text-xs (12.5px) in svg units. The in-chat block
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* scales up to fill the column but NEVER past the chat prose size
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* (--lh-prose-size, 16.5px) — the width cap that makes that hold. */
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export const TEXT_CAP_SCALE = 16.5 / 12.5;
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// ─── Status styling (the retired panel's color language, unchanged) ──────────
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const BOX: Record<PlanNodeStatus, string> = {
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visited: "fill-phase-teach/10 stroke-phase-teach/50",
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current: "fill-primary/10 stroke-primary",
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upcoming: "fill-card stroke-border",
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};
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const TEXT: Record<PlanNodeStatus, string> = {
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visited: "fill-muted-foreground text-xs",
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current: "fill-foreground text-xs font-medium",
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upcoming: "fill-muted-foreground/80 text-xs",
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};
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/** The diagram itself: positioned nodes + bezier edges. Pure-ish render —
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* every input is data, so SSR render tests pin the whole thing. */
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export function PlanDiagram({
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nodes,
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edges,
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statusOf,
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glowId,
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markerId,
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viewBoxOverride,
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pad: padUnits,
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textCapScale,
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naturalSize,
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}: {
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nodes: readonly LayoutNode[];
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edges: ReadonlyArray<{ from: string; to: string }>;
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statusOf: (id: string) => PlanNodeStatus;
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glowId?: string | null;
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markerId: string;
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/** A windowed viewBox (the plan window) instead of the full extent. */
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viewBoxOverride?: string;
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/** Pads the viewBox by this many svg units so centered strokes and the
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* glow halo never clip at the extent edges (full-extent renders only). */
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pad?: number;
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/** Caps the rendered width at extent × scale — the chat-font-size zoom
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* ceiling for the in-chat block (fills the column, never past prose). */
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textCapScale?: number;
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/** Renders at the viewBox width in px (1 svg unit = 1 px at zoom 1) —
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* the popup's transform math depends on it; w-full inside the popup's
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* shrink-to-fit wrapper resolved to the popup width and broke fit. */
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naturalSize?: boolean;
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}) {
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const layout = useMemo(() => blockLayout(nodes, edges), [nodes, edges]);
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// Pad only the full-extent render — the plan window's override viewBox is
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// a deliberate viewport crop, and the popup keeps its own fit margins.
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const pad = viewBoxOverride ? 0 : (padUnits ?? 0);
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const w = Math.max(layout.width, 1);
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const h = Math.max(layout.height, 1);
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const vbW = w + 2 * pad;
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const vbH = h + 2 * pad;
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return (
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<svg
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viewBox={viewBoxOverride ?? `${-pad} ${-pad} ${vbW} ${vbH}`}
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className={`block h-auto${naturalSize ? "" : " w-full"}${textCapScale ? " mx-auto" : ""}`}
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style={
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textCapScale
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? { maxWidth: `${Math.round(vbW * textCapScale * 100) / 100}px` }
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: naturalSize
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? { width: `${vbW}px` }
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: undefined
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}
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role="img"
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aria-label="Plan diagram"
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>
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<defs>
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<marker
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id={markerId}
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viewBox="0 0 8 8"
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refX="7"
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refY="4"
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markerWidth="6"
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markerHeight="6"
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orient="auto-start-reverse"
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>
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<path d="M0,1 L7,4 L0,7 z" className="fill-muted-foreground/50" />
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</marker>
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</defs>
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{edges.map((e) => {
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const x1 = (layout.x.get(e.from) ?? 0) + NODE_W / 2;
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const y1 = (layout.y.get(e.from) ?? 0) + NODE_H;
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const x2 = (layout.x.get(e.to) ?? 0) + NODE_W / 2;
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const y2 = layout.y.get(e.to) ?? 0;
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const mid = (y1 + y2) / 2;
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return (
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<path
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key={`${e.from}->${e.to}`}
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d={`M ${x1} ${y1} C ${x1} ${mid}, ${x2} ${mid}, ${x2} ${y2}`}
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className="fill-none stroke-muted-foreground/40"
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strokeWidth={1.5}
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markerEnd={`url(#${markerId})`}
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/>
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);
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})}
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{nodes.map((n) => {
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const status = statusOf(n.id);
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const glow = n.id === glowId;
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const lines = wrapTitle(n.title);
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return (
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<g
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key={n.id}
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transform={`translate(${layout.x.get(n.id) ?? 0}, ${layout.y.get(n.id) ?? 0})`}
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data-testid={`plan-node-${n.id}`}
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data-status={status}
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>
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{glow && (
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// The glow target: a soft primary halo breathing around the box.
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<rect
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x={-4}
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y={-4}
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width={NODE_W + 8}
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height={NODE_H + 8}
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rx={12}
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className="fill-none stroke-primary/70 animate-pulse"
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strokeWidth={1.5}
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/>
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)}
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<rect width={NODE_W} height={NODE_H} rx={10} className={BOX[status]} strokeWidth={1.5} />
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{lines.map((line, i) => (
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<text key={i} x={12} y={lines.length === 1 ? 27 : 18 + i * 13} className={TEXT[status]}>
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{line}
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</text>
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))}
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</g>
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);
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})}
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</svg>
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);
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}
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// ─── The transcript block ─────────────────────────────────────────────────────
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/**
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* A persisted plan-block part, rendered as carried (snapshot statuses,
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* never re-derived): borderless and column-filling, it opens the live plan
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* popup. Full-only by design since the 2026-09-11 pivot (the neighborhood
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* fragments are retired — position derives live in the popup and the
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* future DAG window).
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*/
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export function PlanBlock({ data, onOpen }: { data: PlanBlockData; onOpen: () => void }) {
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const markerId = useId().replace(/[^a-zA-Z0-9-]/g, "");
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const statusMap = useMemo(() => new Map(data.nodes.map((n) => [n.id, n.status] as const)), [data]);
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const statusOf = (id: string): PlanNodeStatus => statusMap.get(id) ?? "upcoming";
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return (
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<button
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type="button"
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data-testid="plan-block-full"
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onClick={onOpen}
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title="Open the full plan"
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className="block w-full text-left"
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>
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{/* pad keeps centered strokes + the glow halo inside the frame; the
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cap keeps node text at or below chat prose size while still filling
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the column when it can (owner, plan-graph refinement round 1). */}
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<PlanDiagram
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nodes={data.nodes}
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edges={data.edges}
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statusOf={statusOf}
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markerId={markerId}
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pad={GRAPH_PAD}
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textCapScale={TEXT_CAP_SCALE}
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/>
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</button>
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);
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}
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// ─── The live plan popup ──────────────────────────────────────────────────────
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/** Minimal structural message slice (same trick as phases.ts). */
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export interface PopupMessage {
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parts: ReadonlyArray<{ type: string; state?: string; input?: unknown; output?: unknown }>;
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}
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/** The latest plan tree in the transcript (latest tool-plan_ output). */
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export function latestTree(messages: readonly PopupMessage[]): PlanTree | null {
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for (let m = messages.length - 1; m >= 0; m--) {
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const parts = messages[m]?.parts;
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if (!parts) continue;
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for (let p = parts.length - 1; p >= 0; p--) {
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const part = parts[p]!;
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if (!part.type.startsWith("tool-plan_") || part.state !== "output-available") continue;
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const output = part.output as { tree?: PlanTree } | undefined;
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if (output?.tree && Array.isArray(output.tree.nodes)) return output.tree;
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}
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}
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return null;
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}
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/** Zoom bounds: never below fit (fully zoomed out IS the fit — the whole
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* graph visible, whichever axis binds — owner, plan-graph round 2), never
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* above ZOOM_MAX (raised 2×→4× for reading node titles closely, owner,
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* plan-graph round 3). The old 0.15 floor could sit ABOVE a true fit for
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* wide graphs; the fit itself is the floor now. */
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const ZOOM_MAX = 4;
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const FIT_PAD = 16;
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const FIT_ZOOM_MAX = 1.5;
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interface GraphView {
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zoom: number;
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x: number;
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y: number;
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}
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function fitZoomFor(box: { w: number; h: number }, viewport: { w: number; h: number }): number {
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if (!viewport.w || !viewport.h || box.w === 0) return 1;
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// No artificial floor: a wide graph must fit even below 0.15× — the
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// epsilon only guards degenerate viewports.
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return Math.max(0.02, Math.min((viewport.w - FIT_PAD) / box.w, (viewport.h - FIT_PAD) / box.h, FIT_ZOOM_MAX));
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}
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function fitGraphView(box: { w: number; h: number }, viewport: { w: number; h: number }, zoom: number): GraphView {
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return { zoom, x: (viewport.w - box.w * zoom) / 2, y: (viewport.h - box.h * zoom) / 2 };
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}
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function zoomedGraphView(
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view: GraphView,
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factor: number,
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floor: number,
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focus: { x: number; y: number },
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box: { w: number; h: number },
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viewport: { w: number; h: number },
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): GraphView {
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const zoom = Math.min(Math.max(view.zoom * factor, floor), ZOOM_MAX);
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if (zoom === view.zoom) return view;
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if (zoom <= floor) return fitGraphView(box, viewport, floor);
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const k = zoom / view.zoom;
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return { zoom, x: focus.x - (focus.x - view.x) * k, y: focus.y - (focus.y - view.y) * k };
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}
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/**
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* The full plan, live: latest tree + statuses derived at click time. Esc,
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* backdrop click, or the X close it; drag pans, wheel zooms to the cursor,
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* the zoom floor is the fit (panning locks at it — nothing to move).
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*/
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export function PlanPopup({ messages, onClose }: { messages: readonly PopupMessage[]; onClose: () => void }) {
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const tree = useMemo(() => latestTree(messages), [messages]);
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const statuses = useMemo(
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() => (tree ? derivePlanStatuses(tree, messages as Parameters<typeof derivePlanStatuses>[1]) : null),
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[tree, messages],
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);
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const statusOf = (id: string): PlanNodeStatus => (statuses ? derivedNodeStatus(statuses, id) : "upcoming");
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// Esc closes.
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useEffect(() => {
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const onKey = (e: KeyboardEvent) => {
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if (e.key === "Escape") onClose();
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};
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window.addEventListener("keydown", onKey);
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return () => window.removeEventListener("keydown", onKey);
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}, [onClose]);
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// ── pan/zoom viewport (harvested semantics: fit floor = the default) ──
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const viewportRef = useRef<HTMLDivElement>(null);
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const [size, setSize] = useState({ w: 0, h: 0 });
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useEffect(() => {
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const el = viewportRef.current;
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if (!el || typeof ResizeObserver === "undefined") return;
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const ro = new ResizeObserver(() => setSize({ w: el.clientWidth, h: el.clientHeight }));
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ro.observe(el);
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return () => ro.disconnect();
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}, []);
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const layout = useMemo(() => (tree ? blockLayout(tree.nodes, tree.edges) : null), [tree]);
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// The fit box is the PADDED ink box — the diagram renders with GRAPH_PAD
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// so strokes/glow never clip, and the fit must account for it.
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const box = useMemo(
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() => (layout ? { w: layout.width + 2 * GRAPH_PAD, h: layout.height + 2 * GRAPH_PAD } : { w: 0, h: 0 }),
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[layout],
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);
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const fitZoom = useMemo(() => fitZoomFor(box, size), [box, size]);
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const [view, setView] = useState<GraphView>({ x: 0, y: 0, zoom: 1 });
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const userAdjustedRef = useRef(false);
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const atFloor = view.zoom <= fitZoom + 1e-9;
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useEffect(() => {
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if (atFloor) userAdjustedRef.current = false;
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}, [atFloor]);
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useEffect(() => {
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||
if (userAdjustedRef.current || !size.w || !size.h) return;
|
||
setView(fitGraphView(box, size, fitZoom));
|
||
}, [fitZoom, size, box]);
|
||
|
||
useEffect(() => {
|
||
const el = viewportRef.current;
|
||
if (!el) return;
|
||
const onWheel = (e: WheelEvent) => {
|
||
e.preventDefault();
|
||
const dy = e.deltaMode === 1 ? e.deltaY * 16 : e.deltaY;
|
||
const factor = Math.exp(-dy * 0.0015);
|
||
const rect = el.getBoundingClientRect();
|
||
setView((v) =>
|
||
zoomedGraphView(v, factor, fitZoom, { x: e.clientX - rect.left, y: e.clientY - rect.top }, box, size),
|
||
);
|
||
userAdjustedRef.current = true;
|
||
};
|
||
el.addEventListener("wheel", onWheel, { passive: false });
|
||
return () => el.removeEventListener("wheel", onWheel);
|
||
}, [fitZoom, box, size]);
|
||
|
||
// Smooth zoom: the transform eases between states (CSS retargets from the
|
||
// current computed value, so chained wheel ticks stay fluid). Panning is
|
||
// per-frame — the transition is off while dragging or it rubber-bands.
|
||
const [panning, setPanning] = useState(false);
|
||
const dragRef = useRef<{ px: number; py: number; x: number; y: number; moved: boolean } | null>(null);
|
||
const startDrag = (e: React.PointerEvent<HTMLDivElement>) => {
|
||
if (e.button !== 0) return;
|
||
if ((e.target as HTMLElement).closest("button")) return;
|
||
if (atFloor) return;
|
||
dragRef.current = { px: e.clientX, py: e.clientY, x: view.x, y: view.y, moved: false };
|
||
setPanning(true);
|
||
e.currentTarget.classList.add("cursor-grabbing");
|
||
e.currentTarget.setPointerCapture(e.pointerId);
|
||
};
|
||
const moveDrag = (e: React.PointerEvent<HTMLDivElement>) => {
|
||
const d = dragRef.current;
|
||
if (!d) return;
|
||
d.moved = true;
|
||
setView((v) =>
|
||
v.zoom <= fitZoom + 1e-9 ? v : { ...v, x: d.x + (e.clientX - d.px), y: d.y + (e.clientY - d.py) },
|
||
);
|
||
};
|
||
const endDrag = (e: React.PointerEvent<HTMLDivElement>) => {
|
||
const d = dragRef.current;
|
||
if (d) {
|
||
dragRef.current = null;
|
||
if (d.moved) userAdjustedRef.current = true;
|
||
}
|
||
setPanning(false);
|
||
e.currentTarget.classList.remove("cursor-grabbing");
|
||
};
|
||
const stepZoom = (factor: number) => {
|
||
userAdjustedRef.current = true;
|
||
setView((v) => zoomedGraphView(v, factor, fitZoom, { x: size.w / 2, y: size.h / 2 }, box, size));
|
||
};
|
||
const fitView = () => {
|
||
userAdjustedRef.current = false;
|
||
if (!size.w || !size.h) return;
|
||
setView(fitGraphView(box, size, fitZoom));
|
||
};
|
||
|
||
const markerId = useId().replace(/[^a-zA-Z0-9-]/g, "");
|
||
|
||
return (
|
||
<div
|
||
data-testid="plan-popup"
|
||
className="fixed inset-0 z-50 flex flex-col bg-background/95 p-4 backdrop-blur-sm"
|
||
role="dialog"
|
||
aria-modal="true"
|
||
aria-label="The full plan"
|
||
onClick={(e) => {
|
||
if (e.target === e.currentTarget) onClose();
|
||
}}
|
||
>
|
||
<div className="mb-2 flex items-center gap-2">
|
||
<span className="text-sm font-medium">The plan</span>
|
||
<span className="text-xs text-muted-foreground">live — statuses derive from your check outcomes</span>
|
||
<button
|
||
type="button"
|
||
onClick={onClose}
|
||
aria-label="Close"
|
||
data-testid="plan-popup-close"
|
||
className="ml-auto rounded-lg p-1.5 text-muted-foreground transition-colors hover:bg-accent hover:text-foreground"
|
||
>
|
||
<XIcon className="size-4" />
|
||
</button>
|
||
</div>
|
||
<div
|
||
ref={viewportRef}
|
||
className={cn(
|
||
"relative min-h-0 flex-1 touch-none overflow-hidden rounded-xl border select-none",
|
||
atFloor ? "cursor-default" : "cursor-grab",
|
||
)}
|
||
onPointerDown={startDrag}
|
||
onPointerMove={moveDrag}
|
||
onPointerUp={endDrag}
|
||
onPointerCancel={endDrag}
|
||
>
|
||
{tree ? (
|
||
<>
|
||
<div
|
||
className="absolute top-0 left-0 origin-top-left"
|
||
style={{
|
||
transform: `translate(${view.x}px, ${view.y}px) scale(${view.zoom})`,
|
||
transition: panning ? "none" : "transform 180ms ease-out",
|
||
}}
|
||
>
|
||
<PlanDiagram
|
||
nodes={tree.nodes}
|
||
edges={tree.edges}
|
||
statusOf={statusOf}
|
||
glowId={statuses?.current ?? null}
|
||
markerId={markerId}
|
||
pad={GRAPH_PAD}
|
||
naturalSize
|
||
/>
|
||
</div>
|
||
<div className="pointer-events-none absolute inset-x-0 bottom-0 flex items-end justify-between p-2">
|
||
<span className="text-xxs text-muted-foreground/60">Drag to pan · scroll to zoom</span>
|
||
<div className="flex gap-1">
|
||
<button
|
||
type="button"
|
||
title="Zoom out"
|
||
aria-label="Zoom out"
|
||
onClick={() => stepZoom(1 / 1.25)}
|
||
className="pointer-events-auto flex size-7 items-center justify-center rounded-md border border-border/70 bg-card/80 text-muted-foreground backdrop-blur transition-colors hover:bg-accent hover:text-foreground"
|
||
>
|
||
<MinusIcon className="size-3.5" />
|
||
</button>
|
||
<button
|
||
type="button"
|
||
title="Fit plan to screen"
|
||
aria-label="Fit plan to screen"
|
||
onClick={fitView}
|
||
data-testid="plan-popup-fit"
|
||
className="pointer-events-auto flex size-7 items-center justify-center rounded-md border border-border/70 bg-card/80 text-muted-foreground backdrop-blur transition-colors hover:bg-accent hover:text-foreground"
|
||
>
|
||
<MaximizeIcon className="size-3.5" />
|
||
</button>
|
||
<button
|
||
type="button"
|
||
title="Zoom in"
|
||
aria-label="Zoom in"
|
||
onClick={() => stepZoom(1.25)}
|
||
className="pointer-events-auto flex size-7 items-center justify-center rounded-md border border-border/70 bg-card/80 text-muted-foreground backdrop-blur transition-colors hover:bg-accent hover:text-foreground"
|
||
>
|
||
<PlusIcon className="size-3.5" />
|
||
</button>
|
||
</div>
|
||
</div>
|
||
</>
|
||
) : (
|
||
<div className="flex h-full items-center justify-center text-sm text-muted-foreground">
|
||
No plan in this session yet.
|
||
</div>
|
||
)}
|
||
</div>
|
||
</div>
|
||
);
|
||
} |