feat: Built four canvas UI panels (ObjectPanel, AlignmentBar, CanvasToo…

- "app/src/components/canvas/ObjectPanel.tsx"
- "app/src/components/canvas/AlignmentBar.tsx"
- "app/src/components/canvas/CanvasToolbar.tsx"
- "app/src/components/canvas/ShapeProperties.tsx"
- "app/src/views/DesignCanvas.tsx"
- "app/src/App.css"

GSD-Task: S02/T03
This commit is contained in:
jlightner 2026-03-26 05:40:13 +00:00
parent 6ec52ab7b6
commit a37b52eefa
11 changed files with 1331 additions and 64 deletions

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@ -21,3 +21,4 @@
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@ -31,7 +31,7 @@ IMPORTANT tsconfig constraints: noUnusedLocals and noUnusedParameters are strict
- Estimate: 2h30m
- Files: app/src/views/DesignCanvas.tsx, app/src/views/DesignCanvas.module.css, app/src/components/canvas/KonvaStage.tsx, app/src/App.tsx, app/src/App.css
- Verify: cd app && npx tsc --noEmit && npx vitest run --reporter=verbose
- [ ] **T03: Object panel, alignment bar, canvas toolbar, and shape properties panel** — Build the UI panels that surround the canvas: the right-side ObjectPanel for layer management, the AlignmentBar for spatial arrangement, the CanvasToolbar for tool switching and canvas controls, and the ShapeProperties panel for editing selected objects.
- [x] **T03: Built four canvas UI panels (ObjectPanel, AlignmentBar, CanvasToolbar, ShapeProperties) with full state wiring into DesignCanvas view** — Build the UI panels that surround the canvas: the right-side ObjectPanel for layer management, the AlignmentBar for spatial arrangement, the CanvasToolbar for tool switching and canvas controls, and the ShapeProperties panel for editing selected objects.
ObjectPanel:
- Lists canvas objects by z-order (top of list = frontmost layer)

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@ -0,0 +1,30 @@
{
"schemaVersion": 1,
"taskId": "T02",
"unitId": "M002/S02/T02",
"timestamp": 1774503379746,
"passed": false,
"discoverySource": "task-plan",
"checks": [
{
"command": "cd app",
"exitCode": 0,
"durationMs": 4,
"verdict": "pass"
},
{
"command": "npx tsc --noEmit",
"exitCode": 1,
"durationMs": 769,
"verdict": "fail"
},
{
"command": "npx vitest run --reporter=verbose",
"exitCode": 1,
"durationMs": 1313,
"verdict": "fail"
}
],
"retryAttempt": 1,
"maxRetries": 2
}

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@ -0,0 +1,87 @@
---
id: T03
parent: S02
milestone: M002
provides: []
requires: []
affects: []
key_files: ["app/src/components/canvas/ObjectPanel.tsx", "app/src/components/canvas/AlignmentBar.tsx", "app/src/components/canvas/CanvasToolbar.tsx", "app/src/components/canvas/ShapeProperties.tsx", "app/src/views/DesignCanvas.tsx", "app/src/App.css"]
key_decisions: ["Extracted inline toolbar from DesignCanvas into standalone CanvasToolbar component with zoom and grid state", "ObjectPanel displays objects in reverse z-order (frontmost layer at top) matching standard design tool UX", "ShapeProperties uses type narrowing via discriminated union to show type-specific fields"]
patterns_established: []
drill_down_paths: []
observability_surfaces: []
duration: ""
verification_result: "Ran `cd app && npx tsc --noEmit` — zero type errors. Ran `cd app && npx vitest run --reporter=verbose` — all 71 tests pass (6 test files, 0 failures)."
completed_at: 2026-03-26T05:40:11.171Z
blocker_discovered: false
---
# T03: Built four canvas UI panels (ObjectPanel, AlignmentBar, CanvasToolbar, ShapeProperties) with full state wiring into DesignCanvas view
> Built four canvas UI panels (ObjectPanel, AlignmentBar, CanvasToolbar, ShapeProperties) with full state wiring into DesignCanvas view
## What Happened
---
id: T03
parent: S02
milestone: M002
key_files:
- app/src/components/canvas/ObjectPanel.tsx
- app/src/components/canvas/AlignmentBar.tsx
- app/src/components/canvas/CanvasToolbar.tsx
- app/src/components/canvas/ShapeProperties.tsx
- app/src/views/DesignCanvas.tsx
- app/src/App.css
key_decisions:
- Extracted inline toolbar from DesignCanvas into standalone CanvasToolbar component with zoom and grid state
- ObjectPanel displays objects in reverse z-order (frontmost layer at top) matching standard design tool UX
- ShapeProperties uses type narrowing via discriminated union to show type-specific fields
duration: ""
verification_result: passed
completed_at: 2026-03-26T05:40:11.186Z
blocker_discovered: false
---
# T03: Built four canvas UI panels (ObjectPanel, AlignmentBar, CanvasToolbar, ShapeProperties) with full state wiring into DesignCanvas view
**Built four canvas UI panels (ObjectPanel, AlignmentBar, CanvasToolbar, ShapeProperties) with full state wiring into DesignCanvas view**
## What Happened
Created four React components forming the complete panel system around the canvas. ObjectPanel shows layers in reverse z-order with drag-to-reorder, visibility/lock toggles, and double-click rename. AlignmentBar provides 6 alignment + 2 distribute + center-on-artboard buttons using alignment utils from T01. CanvasToolbar replaces the inline toolbar with tool switcher, undo/redo, grid toggle, and zoom controls. ShapeProperties shows editable stroke/fill/dimensions/line-style/opacity for the selected shape. Updated DesignCanvas.tsx to wire all panels to useCanvasState and added comprehensive CSS to App.css.
## Verification
Ran `cd app && npx tsc --noEmit` — zero type errors. Ran `cd app && npx vitest run --reporter=verbose` — all 71 tests pass (6 test files, 0 failures).
## Verification Evidence
| # | Command | Exit Code | Verdict | Duration |
|---|---------|-----------|---------|----------|
| 1 | `cd app && npx tsc --noEmit` | 0 | ✅ pass | 2000ms |
| 2 | `cd app && npx vitest run --reporter=verbose` | 0 | ✅ pass | 2030ms |
## Deviations
None.
## Known Issues
None.
## Files Created/Modified
- `app/src/components/canvas/ObjectPanel.tsx`
- `app/src/components/canvas/AlignmentBar.tsx`
- `app/src/components/canvas/CanvasToolbar.tsx`
- `app/src/components/canvas/ShapeProperties.tsx`
- `app/src/views/DesignCanvas.tsx`
- `app/src/App.css`
## Deviations
None.
## Known Issues
None.

View file

@ -1,6 +1,6 @@
{
"version": 1,
"exported_at": "2026-03-26T05:36:12.633Z",
"exported_at": "2026-03-26T05:40:11.224Z",
"milestones": [
{
"id": "M001",
@ -1167,19 +1167,30 @@
"milestone_id": "M002",
"slice_id": "S02",
"id": "T03",
"title": "Object panel, alignment bar, canvas toolbar, and shape properties panel",
"status": "pending",
"one_liner": "",
"narrative": "",
"verification_result": "",
"title": "Built four canvas UI panels (ObjectPanel, AlignmentBar, CanvasToolbar, ShapeProperties) with full state wiring into DesignCanvas view",
"status": "complete",
"one_liner": "Built four canvas UI panels (ObjectPanel, AlignmentBar, CanvasToolbar, ShapeProperties) with full state wiring into DesignCanvas view",
"narrative": "Created four React components forming the complete panel system around the canvas. ObjectPanel shows layers in reverse z-order with drag-to-reorder, visibility/lock toggles, and double-click rename. AlignmentBar provides 6 alignment + 2 distribute + center-on-artboard buttons using alignment utils from T01. CanvasToolbar replaces the inline toolbar with tool switcher, undo/redo, grid toggle, and zoom controls. ShapeProperties shows editable stroke/fill/dimensions/line-style/opacity for the selected shape. Updated DesignCanvas.tsx to wire all panels to useCanvasState and added comprehensive CSS to App.css.",
"verification_result": "Ran `cd app && npx tsc --noEmit` — zero type errors. Ran `cd app && npx vitest run --reporter=verbose` — all 71 tests pass (6 test files, 0 failures).",
"duration": "",
"completed_at": null,
"completed_at": "2026-03-26T05:40:11.171Z",
"blocker_discovered": false,
"deviations": "",
"known_issues": "",
"key_files": [],
"key_decisions": [],
"full_summary_md": "",
"deviations": "None.",
"known_issues": "None.",
"key_files": [
"app/src/components/canvas/ObjectPanel.tsx",
"app/src/components/canvas/AlignmentBar.tsx",
"app/src/components/canvas/CanvasToolbar.tsx",
"app/src/components/canvas/ShapeProperties.tsx",
"app/src/views/DesignCanvas.tsx",
"app/src/App.css"
],
"key_decisions": [
"Extracted inline toolbar from DesignCanvas into standalone CanvasToolbar component with zoom and grid state",
"ObjectPanel displays objects in reverse z-order (frontmost layer at top) matching standard design tool UX",
"ShapeProperties uses type narrowing via discriminated union to show type-specific fields"
],
"full_summary_md": "---\nid: T03\nparent: S02\nmilestone: M002\nkey_files:\n - app/src/components/canvas/ObjectPanel.tsx\n - app/src/components/canvas/AlignmentBar.tsx\n - app/src/components/canvas/CanvasToolbar.tsx\n - app/src/components/canvas/ShapeProperties.tsx\n - app/src/views/DesignCanvas.tsx\n - app/src/App.css\nkey_decisions:\n - Extracted inline toolbar from DesignCanvas into standalone CanvasToolbar component with zoom and grid state\n - ObjectPanel displays objects in reverse z-order (frontmost layer at top) matching standard design tool UX\n - ShapeProperties uses type narrowing via discriminated union to show type-specific fields\nduration: \"\"\nverification_result: passed\ncompleted_at: 2026-03-26T05:40:11.186Z\nblocker_discovered: false\n---\n\n# T03: Built four canvas UI panels (ObjectPanel, AlignmentBar, CanvasToolbar, ShapeProperties) with full state wiring into DesignCanvas view\n\n**Built four canvas UI panels (ObjectPanel, AlignmentBar, CanvasToolbar, ShapeProperties) with full state wiring into DesignCanvas view**\n\n## What Happened\n\nCreated four React components forming the complete panel system around the canvas. ObjectPanel shows layers in reverse z-order with drag-to-reorder, visibility/lock toggles, and double-click rename. AlignmentBar provides 6 alignment + 2 distribute + center-on-artboard buttons using alignment utils from T01. CanvasToolbar replaces the inline toolbar with tool switcher, undo/redo, grid toggle, and zoom controls. ShapeProperties shows editable stroke/fill/dimensions/line-style/opacity for the selected shape. Updated DesignCanvas.tsx to wire all panels to useCanvasState and added comprehensive CSS to App.css.\n\n## Verification\n\nRan `cd app && npx tsc --noEmit` — zero type errors. Ran `cd app && npx vitest run --reporter=verbose` — all 71 tests pass (6 test files, 0 failures).\n\n## Verification Evidence\n\n| # | Command | Exit Code | Verdict | Duration |\n|---|---------|-----------|---------|----------|\n| 1 | `cd app && npx tsc --noEmit` | 0 | ✅ pass | 2000ms |\n| 2 | `cd app && npx vitest run --reporter=verbose` | 0 | ✅ pass | 2030ms |\n\n\n## Deviations\n\nNone.\n\n## Known Issues\n\nNone.\n\n## Files Created/Modified\n\n- `app/src/components/canvas/ObjectPanel.tsx`\n- `app/src/components/canvas/AlignmentBar.tsx`\n- `app/src/components/canvas/CanvasToolbar.tsx`\n- `app/src/components/canvas/ShapeProperties.tsx`\n- `app/src/views/DesignCanvas.tsx`\n- `app/src/App.css`\n",
"description": "Build the UI panels that surround the canvas: the right-side ObjectPanel for layer management, the AlignmentBar for spatial arrangement, the CanvasToolbar for tool switching and canvas controls, and the ShapeProperties panel for editing selected objects.\n\nObjectPanel:\n- Lists canvas objects by z-order (top of list = frontmost layer)\n- Each row shows: drag handle, object type icon, name (double-click to rename), visibility toggle (eye icon), lock toggle (lock icon)\n- Click row to select object on canvas, shift-click for multi-select\n- Drag-to-reorder changes z-order in state (which changes render order in KonvaStage)\n- Wire to useCanvasState: reorderObject, toggleVisibility, toggleLock, selectObjects\n\nAlignmentBar:\n- Appears when 1+ objects selected\n- Buttons: align left, align center, align right, align top, align middle, align bottom\n- When 2+ selected: distribute horizontally, distribute vertically\n- Center on artboard button (works with 1+ selected)\n- Consumes alignment utility functions from utils/alignment.ts\n- Dispatches batch updateObject calls through useCanvasState\n\nCanvasToolbar:\n- Tool buttons: pointer/select (default), rectangle, circle, ellipse, line\n- Active tool highlighted with accent color\n- Undo/redo buttons (disabled when stack empty) — connected to useCanvasState undo/redo\n- Grid toggle button\n- Zoom controls (zoom in, zoom out, fit to artboard)\n\nShapeProperties:\n- Shown when exactly 1 shape selected\n- Fields: stroke color (color input), stroke weight (number input), fill color (color input with toggle), width/height display\n- For line objects: line style dropdown (solid, dashed, dotted)\n- Changes dispatch updateObject through useCanvasState\n\nWire all panels into DesignCanvas.tsx layout slots.",
"estimate": "2h",
"files": [
@ -1613,6 +1624,28 @@
"verdict": "✅ pass",
"duration_ms": 2060,
"created_at": "2026-03-26T05:36:12.588Z"
},
{
"id": 27,
"task_id": "T03",
"slice_id": "S02",
"milestone_id": "M002",
"command": "cd app && npx tsc --noEmit",
"exit_code": 0,
"verdict": "✅ pass",
"duration_ms": 2000,
"created_at": "2026-03-26T05:40:11.171Z"
},
{
"id": 28,
"task_id": "T03",
"slice_id": "S02",
"milestone_id": "M002",
"command": "cd app && npx vitest run --reporter=verbose",
"exit_code": 0,
"verdict": "✅ pass",
"duration_ms": 2030,
"created_at": "2026-03-26T05:40:11.171Z"
}
]
}

View file

@ -595,3 +595,307 @@
.artboard-setup-confirm:hover {
opacity: 0.9;
}
/* ── Canvas Toolbar (CanvasToolbar component) ── */
.canvas-toolbar {
display: flex;
align-items: center;
gap: 12px;
width: 100%;
flex-wrap: wrap;
}
.canvas-toolbar-group {
display: flex;
align-items: center;
gap: 4px;
}
.canvas-toolbar-zoom-label {
font-size: 12px;
font-weight: 600;
color: var(--text-h);
min-width: 42px;
text-align: center;
font-variant-numeric: tabular-nums;
user-select: none;
}
/* ── Object Panel (layer list) ── */
.object-panel {
display: flex;
flex-direction: column;
gap: 0;
}
.object-panel-header {
font-size: 12px;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.5px;
color: var(--text);
padding: 8px 0 6px;
border-bottom: 1px solid var(--border);
}
.object-panel-empty {
font-size: 13px;
color: var(--text);
opacity: 0.6;
padding: 12px 0;
text-align: center;
}
.object-panel-list {
display: flex;
flex-direction: column;
}
.object-panel-row {
display: flex;
align-items: center;
gap: 6px;
padding: 6px 4px;
border-bottom: 1px solid var(--border);
cursor: pointer;
user-select: none;
transition: background-color 0.1s;
font-size: 13px;
color: var(--text-h);
}
.object-panel-row:hover {
background: var(--accent-bg);
}
.object-panel-row--selected {
background: var(--accent-bg);
border-left: 2px solid var(--accent);
padding-left: 2px;
}
.object-panel-row--hidden {
opacity: 0.4;
}
.object-panel-drag {
cursor: grab;
font-size: 14px;
color: var(--text);
flex-shrink: 0;
width: 16px;
text-align: center;
}
.object-panel-type-icon {
font-size: 14px;
flex-shrink: 0;
width: 18px;
text-align: center;
}
.object-panel-name {
flex: 1;
min-width: 0;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.object-panel-name-input {
flex: 1;
min-width: 0;
padding: 2px 4px;
border: 1px solid var(--accent);
border-radius: 3px;
font-size: 13px;
font-family: inherit;
background: var(--bg);
color: var(--text-h);
outline: none;
}
.object-panel-icon-btn {
display: inline-flex;
align-items: center;
justify-content: center;
width: 24px;
height: 24px;
border: none;
background: transparent;
cursor: pointer;
font-size: 14px;
border-radius: 3px;
padding: 0;
flex-shrink: 0;
transition: background-color 0.1s;
}
.object-panel-icon-btn:hover {
background: var(--accent-bg);
}
.object-panel-icon-btn--off {
opacity: 0.35;
}
.object-panel-icon-btn--on {
color: var(--accent);
}
/* ── Alignment Bar ── */
.alignment-bar {
display: flex;
align-items: center;
gap: 8px;
padding: 8px 0;
border-bottom: 1px solid var(--border);
flex-wrap: wrap;
}
.alignment-bar-group {
display: flex;
gap: 2px;
}
.alignment-btn {
display: inline-flex;
align-items: center;
justify-content: center;
width: 28px;
height: 28px;
border: 1px solid var(--border);
border-radius: 4px;
background: var(--bg);
cursor: pointer;
font-size: 14px;
color: var(--text-h);
padding: 0;
transition: border-color 0.1s, background-color 0.1s;
}
.alignment-btn:hover {
border-color: var(--accent-border);
background: var(--accent-bg);
}
.alignment-btn:active {
background: var(--accent-bg);
border-color: var(--accent);
}
/* ── Shape Properties ── */
.shape-properties {
display: flex;
flex-direction: column;
gap: 0;
padding-top: 8px;
border-top: 1px solid var(--border);
}
.shape-properties-header {
font-size: 12px;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.5px;
color: var(--text);
padding: 0 0 6px;
}
.shape-prop-section {
display: flex;
flex-direction: column;
gap: 4px;
padding: 6px 0;
border-bottom: 1px solid var(--border);
}
.shape-prop-section:last-child {
border-bottom: none;
}
.shape-prop-label {
font-size: 11px;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.3px;
color: var(--text);
}
.shape-prop-dims {
display: flex;
gap: 16px;
font-size: 13px;
font-variant-numeric: tabular-nums;
color: var(--text-h);
}
.shape-prop-color-input {
width: 100%;
height: 28px;
border: 1px solid var(--border);
border-radius: 4px;
cursor: pointer;
padding: 2px;
background: var(--bg);
}
.shape-prop-number-input {
width: 100%;
padding: 4px 6px;
border: 1px solid var(--border);
border-radius: 4px;
font-size: 13px;
font-family: inherit;
background: var(--bg);
color: var(--text-h);
}
.shape-prop-fill-row {
display: flex;
align-items: center;
gap: 8px;
}
.shape-prop-fill-row .shape-prop-color-input {
flex: 1;
}
.shape-prop-fill-toggle {
display: flex;
align-items: center;
gap: 4px;
font-size: 12px;
color: var(--text-h);
cursor: pointer;
white-space: nowrap;
user-select: none;
}
.shape-prop-select {
width: 100%;
padding: 4px 6px;
border: 1px solid var(--border);
border-radius: 4px;
font-size: 13px;
font-family: inherit;
background: var(--bg);
color: var(--text-h);
cursor: pointer;
}
.shape-prop-range-input {
width: 100%;
accent-color: var(--accent);
}
.shape-prop-range-value {
font-size: 12px;
font-weight: 600;
color: var(--accent);
font-variant-numeric: tabular-nums;
}

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@ -0,0 +1,199 @@
/**
* AlignmentBar spatial alignment and distribution tools.
*
* Appears when 1+ objects are selected.
* Provides align (left/center/right/top/middle/bottom),
* distribute (horizontal/vertical, 2+ selected),
* and center-on-artboard.
*/
import { useCallback, useMemo } from 'react';
import type { ArtboardConfig, CanvasObject } from '../../types/canvas';
import type { BoundingRect, PositionUpdate } from '../../utils/alignment';
import {
alignLeft,
alignCenter,
alignRight,
alignTop,
alignMiddle,
alignBottom,
distributeHorizontal,
distributeVertical,
centerOnArtboard,
} from '../../utils/alignment';
import { toPx } from '../../utils/artboardShapes';
// -- Helpers ------------------------------------------------------------------
function toBoundingRect(obj: CanvasObject): BoundingRect {
let w: number, h: number;
switch (obj.type) {
case 'rect':
case 'image':
w = obj.width;
h = obj.height;
break;
case 'circle':
w = obj.radius * 2;
h = obj.radius * 2;
break;
case 'ellipse':
w = obj.radiusX * 2;
h = obj.radiusY * 2;
break;
case 'line': {
const xs = obj.points.filter((_, i) => i % 2 === 0);
const ys = obj.points.filter((_, i) => i % 2 === 1);
w = Math.max(...xs) - Math.min(...xs);
h = Math.max(...ys) - Math.min(...ys);
break;
}
}
return { id: obj.id, x: obj.x, y: obj.y, width: w, height: h };
}
// -- Props --------------------------------------------------------------------
export interface AlignmentBarProps {
objects: CanvasObject[];
selectedIds: string[];
artboard: ArtboardConfig | null;
onUpdateObject: (id: string, changes: Partial<CanvasObject>) => void;
}
// -- Component ----------------------------------------------------------------
export default function AlignmentBar({
objects,
selectedIds,
artboard,
onUpdateObject,
}: AlignmentBarProps) {
const selectedObjects = useMemo(
() => objects.filter((o) => selectedIds.includes(o.id)),
[objects, selectedIds],
);
const applyUpdates = useCallback(
(updates: PositionUpdate[]) => {
for (const u of updates) {
onUpdateObject(u.id, { x: u.x, y: u.y });
}
},
[onUpdateObject],
);
const rects = useMemo(
() => selectedObjects.map(toBoundingRect),
[selectedObjects],
);
if (selectedIds.length === 0) return null;
const hasMultiple = selectedIds.length >= 2;
return (
<div className="alignment-bar" data-testid="alignment-bar">
{/* Alignment buttons */}
<div className="alignment-bar-group" data-testid="align-group">
<button
type="button"
className="alignment-btn"
onClick={() => applyUpdates(alignLeft(rects))}
title="Align left"
aria-label="Align left"
>
</button>
<button
type="button"
className="alignment-btn"
onClick={() => applyUpdates(alignCenter(rects))}
title="Align center"
aria-label="Align center horizontally"
>
</button>
<button
type="button"
className="alignment-btn"
onClick={() => applyUpdates(alignRight(rects))}
title="Align right"
aria-label="Align right"
>
</button>
<button
type="button"
className="alignment-btn"
onClick={() => applyUpdates(alignTop(rects))}
title="Align top"
aria-label="Align top"
>
</button>
<button
type="button"
className="alignment-btn"
onClick={() => applyUpdates(alignMiddle(rects))}
title="Align middle"
aria-label="Align middle vertically"
>
</button>
<button
type="button"
className="alignment-btn"
onClick={() => applyUpdates(alignBottom(rects))}
title="Align bottom"
aria-label="Align bottom"
>
</button>
</div>
{/* Distribute buttons (only when 2+ selected) */}
{hasMultiple && (
<div className="alignment-bar-group" data-testid="distribute-group">
<button
type="button"
className="alignment-btn"
onClick={() => applyUpdates(distributeHorizontal(rects))}
title="Distribute horizontally"
aria-label="Distribute horizontally"
>
</button>
<button
type="button"
className="alignment-btn"
onClick={() => applyUpdates(distributeVertical(rects))}
title="Distribute vertically"
aria-label="Distribute vertically"
>
</button>
</div>
)}
{/* Center on artboard */}
{artboard && (
<div className="alignment-bar-group" data-testid="center-group">
<button
type="button"
className="alignment-btn"
onClick={() => {
const artW = toPx(artboard.width, artboard.unit);
const artH = toPx(artboard.height, artboard.unit);
applyUpdates(centerOnArtboard(rects, artW, artH));
}}
title="Center on artboard"
aria-label="Center on artboard"
>
</button>
</div>
)}
</div>
);
}

View file

@ -0,0 +1,145 @@
/**
* CanvasToolbar tool switcher, undo/redo, grid toggle, zoom controls.
*
* Rendered at the top of the DesignCanvas view.
*/
import type { CanvasTool } from './KonvaStage';
// -- Tool definitions --------------------------------------------------------
const TOOLS: { tool: CanvasTool; label: string; icon: string }[] = [
{ tool: 'pointer', label: 'Select', icon: '↖' },
{ tool: 'rect', label: 'Rectangle', icon: '▭' },
{ tool: 'circle', label: 'Circle', icon: '○' },
{ tool: 'ellipse', label: 'Ellipse', icon: '⬯' },
{ tool: 'line', label: 'Line', icon: '' },
];
// -- Props --------------------------------------------------------------------
export interface CanvasToolbarProps {
activeTool: CanvasTool;
onToolChange: (tool: CanvasTool) => void;
canUndo: boolean;
canRedo: boolean;
onUndo: () => void;
onRedo: () => void;
showGrid: boolean;
onToggleGrid: () => void;
zoomLevel: number;
onZoomIn: () => void;
onZoomOut: () => void;
onZoomFit: () => void;
}
// -- Component ----------------------------------------------------------------
export default function CanvasToolbar({
activeTool,
onToolChange,
canUndo,
canRedo,
onUndo,
onRedo,
showGrid,
onToggleGrid,
zoomLevel,
onZoomIn,
onZoomOut,
onZoomFit,
}: CanvasToolbarProps) {
return (
<div className="canvas-toolbar" data-testid="canvas-toolbar">
{/* Tool buttons */}
<div className="canvas-toolbar-group" data-testid="tool-group">
{TOOLS.map(({ tool, label, icon }) => (
<button
key={tool}
type="button"
className={`canvas-tool-btn${activeTool === tool ? ' canvas-tool-btn--active' : ''}`}
onClick={() => onToolChange(tool)}
title={label}
aria-pressed={activeTool === tool}
data-testid={`tool-btn-${tool}`}
>
<span className="canvas-tool-icon">{icon}</span>
<span className="canvas-tool-label">{label}</span>
</button>
))}
</div>
{/* Undo / Redo */}
<div className="canvas-toolbar-group" data-testid="undo-redo-group">
<button
type="button"
className="canvas-tool-btn"
onClick={onUndo}
disabled={!canUndo}
title="Undo (Ctrl+Z)"
data-testid="undo-btn"
>
Undo
</button>
<button
type="button"
className="canvas-tool-btn"
onClick={onRedo}
disabled={!canRedo}
title="Redo (Ctrl+Shift+Z)"
data-testid="redo-btn"
>
Redo
</button>
</div>
{/* Grid toggle */}
<div className="canvas-toolbar-group">
<button
type="button"
className={`canvas-tool-btn${showGrid ? ' canvas-tool-btn--active' : ''}`}
onClick={onToggleGrid}
title={showGrid ? 'Hide grid' : 'Show grid'}
aria-pressed={showGrid}
data-testid="grid-toggle-btn"
>
# Grid
</button>
</div>
{/* Zoom controls */}
<div className="canvas-toolbar-group" data-testid="zoom-group">
<button
type="button"
className="canvas-tool-btn"
onClick={onZoomOut}
title="Zoom out"
data-testid="zoom-out-btn"
>
</button>
<span className="canvas-toolbar-zoom-label" data-testid="zoom-level">
{Math.round(zoomLevel * 100)}%
</span>
<button
type="button"
className="canvas-tool-btn"
onClick={onZoomIn}
title="Zoom in"
data-testid="zoom-in-btn"
>
+
</button>
<button
type="button"
className="canvas-tool-btn"
onClick={onZoomFit}
title="Fit to artboard"
data-testid="zoom-fit-btn"
>
Fit
</button>
</div>
</div>
);
}

View file

@ -0,0 +1,203 @@
/**
* ObjectPanel right-side layer list for canvas objects.
*
* Shows objects ordered by z-index (top of list = frontmost).
* Supports: row select, shift-click multi-select, double-click rename,
* visibility toggle, lock toggle, and drag-to-reorder.
*/
import { useCallback, useRef, useState } from 'react';
import type { CanvasObject } from '../../types/canvas';
// -- Icons (simple text-based) -----------------------------------------------
const TYPE_ICONS: Record<CanvasObject['type'], string> = {
rect: '▭',
circle: '○',
ellipse: '⬯',
line: '',
image: '🖼',
};
// -- Props --------------------------------------------------------------------
export interface ObjectPanelProps {
objects: CanvasObject[];
selectedIds: string[];
onSelect: (ids: string[], additive: boolean) => void;
onReorder: (id: string, toIndex: number) => void;
onToggleVisibility: (id: string) => void;
onToggleLock: (id: string) => void;
onRename: (id: string, newName: string) => void;
}
// -- Component ----------------------------------------------------------------
export default function ObjectPanel({
objects,
selectedIds,
onSelect,
onReorder,
onToggleVisibility,
onToggleLock,
onRename,
}: ObjectPanelProps) {
const [editingId, setEditingId] = useState<string | null>(null);
const [editValue, setEditValue] = useState('');
const inputRef = useRef<HTMLInputElement | null>(null);
const dragItemRef = useRef<string | null>(null);
const dragOverRef = useRef<number | null>(null);
// Show list in reverse z-order so frontmost layer is at top
const displayObjects = [...objects].reverse();
// -- Row click → select ---------------------------------------------------
const handleRowClick = useCallback(
(id: string, e: React.MouseEvent) => {
onSelect([id], e.shiftKey);
},
[onSelect],
);
// -- Double-click → rename ------------------------------------------------
const handleDoubleClick = useCallback((id: string, currentName: string) => {
setEditingId(id);
setEditValue(currentName);
// Focus input on next tick
setTimeout(() => inputRef.current?.select(), 0);
}, []);
const handleRenameSubmit = useCallback(
(id: string) => {
const trimmed = editValue.trim();
if (trimmed) {
onRename(id, trimmed);
}
setEditingId(null);
},
[editValue, onRename],
);
// -- Drag to reorder ------------------------------------------------------
const handleDragStart = useCallback((id: string) => {
dragItemRef.current = id;
}, []);
const handleDragOver = useCallback(
(e: React.DragEvent, displayIndex: number) => {
e.preventDefault();
dragOverRef.current = displayIndex;
},
[],
);
const handleDrop = useCallback(
(_e: React.DragEvent) => {
const dragId = dragItemRef.current;
const overDisplayIdx = dragOverRef.current;
if (dragId == null || overDisplayIdx == null) return;
// Convert display index (reversed) back to objects array index
const toIndex = objects.length - 1 - overDisplayIdx;
onReorder(dragId, toIndex);
dragItemRef.current = null;
dragOverRef.current = null;
},
[objects.length, onReorder],
);
return (
<div className="object-panel" data-testid="object-panel">
<div className="object-panel-header">Layers</div>
{displayObjects.length === 0 ? (
<div className="object-panel-empty">No objects on canvas</div>
) : (
<div className="object-panel-list" role="listbox" aria-label="Layer list">
{displayObjects.map((obj, displayIdx) => {
const isSelected = selectedIds.includes(obj.id);
const isEditing = editingId === obj.id;
return (
<div
key={obj.id}
role="option"
aria-selected={isSelected}
className={`object-panel-row${isSelected ? ' object-panel-row--selected' : ''}${!obj.visible ? ' object-panel-row--hidden' : ''}`}
onClick={(e) => handleRowClick(obj.id, e)}
onDoubleClick={() => handleDoubleClick(obj.id, obj.name)}
draggable={!isEditing}
onDragStart={() => handleDragStart(obj.id)}
onDragOver={(e) => handleDragOver(e, displayIdx)}
onDrop={handleDrop}
data-testid={`object-row-${obj.id}`}
>
{/* Drag handle */}
<span className="object-panel-drag" aria-hidden="true"></span>
{/* Type icon */}
<span className="object-panel-type-icon" title={obj.type}>
{TYPE_ICONS[obj.type]}
</span>
{/* Name (or edit input) */}
{isEditing ? (
<input
ref={inputRef}
className="object-panel-name-input"
value={editValue}
onChange={(e) => setEditValue(e.target.value)}
onBlur={() => handleRenameSubmit(obj.id)}
onKeyDown={(e) => {
if (e.key === 'Enter') handleRenameSubmit(obj.id);
if (e.key === 'Escape') setEditingId(null);
}}
onClick={(e) => e.stopPropagation()}
data-testid={`rename-input-${obj.id}`}
/>
) : (
<span className="object-panel-name" title={obj.name}>
{obj.name}
</span>
)}
{/* Visibility toggle */}
<button
type="button"
className={`object-panel-icon-btn${obj.visible ? '' : ' object-panel-icon-btn--off'}`}
onClick={(e) => {
e.stopPropagation();
onToggleVisibility(obj.id);
}}
title={obj.visible ? 'Hide' : 'Show'}
aria-label={obj.visible ? 'Hide layer' : 'Show layer'}
data-testid={`visibility-toggle-${obj.id}`}
>
{obj.visible ? '👁' : '👁‍🗨'}
</button>
{/* Lock toggle */}
<button
type="button"
className={`object-panel-icon-btn${obj.locked ? ' object-panel-icon-btn--on' : ''}`}
onClick={(e) => {
e.stopPropagation();
onToggleLock(obj.id);
}}
title={obj.locked ? 'Unlock' : 'Lock'}
aria-label={obj.locked ? 'Unlock layer' : 'Lock layer'}
data-testid={`lock-toggle-${obj.id}`}
>
{obj.locked ? '🔒' : '🔓'}
</button>
</div>
);
})}
</div>
)}
</div>
);
}

View file

@ -0,0 +1,232 @@
/**
* ShapeProperties property editor for a single selected shape.
*
* Shows stroke color, stroke weight, fill color (with toggle), dimensions.
* For line objects: line style dropdown (solid, dashed, dotted).
*/
import { useCallback } from 'react';
import type { CanvasObject, LineStyle } from '../../types/canvas';
// -- Helpers ------------------------------------------------------------------
function getWidth(obj: CanvasObject): number {
switch (obj.type) {
case 'rect':
case 'image':
return Math.round(obj.width * 100) / 100;
case 'circle':
return Math.round(obj.radius * 2 * 100) / 100;
case 'ellipse':
return Math.round(obj.radiusX * 2 * 100) / 100;
case 'line': {
const xs = obj.points.filter((_, i) => i % 2 === 0);
return Math.round((Math.max(...xs) - Math.min(...xs)) * 100) / 100;
}
}
}
function getHeight(obj: CanvasObject): number {
switch (obj.type) {
case 'rect':
case 'image':
return Math.round(obj.height * 100) / 100;
case 'circle':
return Math.round(obj.radius * 2 * 100) / 100;
case 'ellipse':
return Math.round(obj.radiusY * 2 * 100) / 100;
case 'line': {
const ys = obj.points.filter((_, i) => i % 2 === 1);
return Math.round((Math.max(...ys) - Math.min(...ys)) * 100) / 100;
}
}
}
const DASH_PRESETS: Record<LineStyle, number[]> = {
solid: [],
dashed: [10, 5],
dotted: [2, 4],
};
// -- Props --------------------------------------------------------------------
export interface ShapePropertiesProps {
object: CanvasObject;
onUpdate: (id: string, changes: Partial<CanvasObject>) => void;
}
// -- Component ----------------------------------------------------------------
export default function ShapeProperties({
object,
onUpdate,
}: ShapePropertiesProps) {
const hasStroke = object.type !== 'image';
const hasFill = object.type === 'rect' || object.type === 'circle' || object.type === 'ellipse';
const isLine = object.type === 'line';
const handleChange = useCallback(
(changes: Partial<CanvasObject>) => {
onUpdate(object.id, changes);
},
[object.id, onUpdate],
);
return (
<div className="shape-properties" data-testid="shape-properties">
<div className="shape-properties-header">Properties</div>
{/* Dimensions (read-only display) */}
<div className="shape-prop-section">
<div className="shape-prop-label">Dimensions</div>
<div className="shape-prop-dims" data-testid="shape-dims">
<span>W: {getWidth(object)}</span>
<span>H: {getHeight(object)}</span>
</div>
</div>
{/* Position */}
<div className="shape-prop-section">
<div className="shape-prop-label">Position</div>
<div className="shape-prop-dims">
<span>X: {Math.round(object.x * 100) / 100}</span>
<span>Y: {Math.round(object.y * 100) / 100}</span>
</div>
</div>
{/* Stroke color */}
{hasStroke && (
<div className="shape-prop-section">
<label className="shape-prop-label" htmlFor="stroke-color">
Stroke Color
</label>
<input
id="stroke-color"
type="color"
className="shape-prop-color-input"
value={(object as { stroke?: string }).stroke ?? '#000000'}
onChange={(e) => handleChange({ stroke: e.target.value } as Partial<CanvasObject>)}
data-testid="stroke-color-input"
/>
</div>
)}
{/* Stroke weight */}
{hasStroke && (
<div className="shape-prop-section">
<label className="shape-prop-label" htmlFor="stroke-width">
Stroke Weight
</label>
<input
id="stroke-width"
type="number"
className="shape-prop-number-input"
min={0}
max={50}
step={0.5}
value={(object as { strokeWidth?: number }).strokeWidth ?? 2}
onChange={(e) =>
handleChange({ strokeWidth: Number(e.target.value) } as Partial<CanvasObject>)
}
data-testid="stroke-width-input"
/>
</div>
)}
{/* Fill color */}
{hasFill && (
<div className="shape-prop-section">
<label className="shape-prop-label" htmlFor="fill-color">
Fill Color
</label>
<div className="shape-prop-fill-row">
<input
id="fill-color"
type="color"
className="shape-prop-color-input"
value={
(object as { fill?: string }).fill === 'transparent'
? '#ffffff'
: ((object as { fill?: string }).fill ?? '#ffffff')
}
onChange={(e) => handleChange({ fill: e.target.value } as Partial<CanvasObject>)}
data-testid="fill-color-input"
/>
<label className="shape-prop-fill-toggle" title="Toggle fill">
<input
type="checkbox"
checked={(object as { fill?: string }).fill !== 'transparent'}
onChange={(e) =>
handleChange({
fill: e.target.checked
? '#ffffff'
: 'transparent',
} as Partial<CanvasObject>)
}
data-testid="fill-toggle"
/>
Fill
</label>
</div>
</div>
)}
{/* Line style (only for line objects) */}
{isLine && object.type === 'line' && (
<div className="shape-prop-section">
<label className="shape-prop-label" htmlFor="line-style">
Line Style
</label>
<select
id="line-style"
className="shape-prop-select"
value={object.lineStyle}
onChange={(e) => {
const style = e.target.value as LineStyle;
handleChange({
lineStyle: style,
dash: DASH_PRESETS[style],
} as Partial<CanvasObject>);
}}
data-testid="line-style-select"
>
<option value="solid">Solid</option>
<option value="dashed">Dashed</option>
<option value="dotted">Dotted</option>
</select>
</div>
)}
{/* Opacity */}
<div className="shape-prop-section">
<label className="shape-prop-label" htmlFor="opacity">
Opacity
</label>
<input
id="opacity"
type="range"
className="shape-prop-range-input"
min={0}
max={1}
step={0.05}
value={object.opacity}
onChange={(e) => handleChange({ opacity: Number(e.target.value) })}
data-testid="opacity-input"
/>
<span className="shape-prop-range-value">
{Math.round(object.opacity * 100)}%
</span>
</div>
{/* Rotation */}
<div className="shape-prop-section">
<label className="shape-prop-label" htmlFor="rotation">
Rotation
</label>
<div className="shape-prop-dims">
<span>{Math.round(object.rotation)}°</span>
</div>
</div>
</div>
);
}

View file

@ -1,11 +1,12 @@
/**
* DesignCanvas View 2 container.
*
* Layout: top toolbar area, left canvas (KonvaStage), right panel area.
* Manages tool state, artboard setup flow, and imported SVG loading.
* Layout: top CanvasToolbar, left canvas (KonvaStage), right panel area
* containing AlignmentBar, ObjectPanel, and ShapeProperties.
* Manages tool state, artboard setup flow, zoom, grid, and imported SVG loading.
*/
import { useCallback, useEffect, useRef, useState } from 'react';
import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
import type Konva from 'konva';
import type { TraceMetadata } from '../types/engine';
import type { ArtboardConfig, CanvasObject } from '../types/canvas';
@ -13,6 +14,10 @@ import { useCanvasState } from '../hooks/useCanvasState';
import ArtboardSetup from '../components/canvas/ArtboardSetup';
import KonvaStage from '../components/canvas/KonvaStage';
import type { CanvasTool } from '../components/canvas/KonvaStage';
import CanvasToolbar from '../components/canvas/CanvasToolbar';
import ObjectPanel from '../components/canvas/ObjectPanel';
import AlignmentBar from '../components/canvas/AlignmentBar';
import ShapeProperties from '../components/canvas/ShapeProperties';
import { toPx } from '../utils/artboardShapes';
import styles from './DesignCanvas.module.css';
@ -21,14 +26,6 @@ interface DesignCanvasProps {
traceMetadata: TraceMetadata | null;
}
const TOOLS: { tool: CanvasTool; label: string; icon: string }[] = [
{ tool: 'pointer', label: 'Select', icon: '↖' },
{ tool: 'rect', label: 'Rectangle', icon: '▭' },
{ tool: 'circle', label: 'Circle', icon: '○' },
{ tool: 'ellipse', label: 'Ellipse', icon: '⬯' },
{ tool: 'line', label: 'Line', icon: '' },
];
export default function DesignCanvas({
svgData,
traceMetadata,
@ -40,6 +37,9 @@ export default function DesignCanvas({
updateObject,
selectObjects,
deselectAll,
reorderObject,
toggleVisibility,
toggleLock,
setArtboard,
undo,
redo,
@ -50,6 +50,8 @@ export default function DesignCanvas({
const [activeTool, setActiveTool] = useState<CanvasTool>('pointer');
const [showArtboardSetup, setShowArtboardSetup] = useState(true);
const [svgImported, setSvgImported] = useState(false);
const [showGrid, setShowGrid] = useState(false);
const [zoomLevel, setZoomLevel] = useState(1);
const stageRef = useRef<Konva.Stage | null>(null);
const canvasContainerRef = useRef<HTMLDivElement | null>(null);
@ -145,6 +147,36 @@ export default function DesignCanvas({
[state.selectedIds, selectObjects],
);
// -- Rename handler (dispatches updateObject with name change) -----------
const handleRename = useCallback(
(id: string, newName: string) => {
updateObject(id, { name: newName });
},
[updateObject],
);
// -- Zoom controls --------------------------------------------------------
const handleZoomIn = useCallback(() => {
setZoomLevel((z) => Math.min(z + 0.25, 4));
}, []);
const handleZoomOut = useCallback(() => {
setZoomLevel((z) => Math.max(z - 0.25, 0.25));
}, []);
const handleZoomFit = useCallback(() => {
setZoomLevel(1);
}, []);
// -- Selected object for properties panel ---------------------------------
const selectedObject = useMemo(() => {
if (state.selectedIds.length !== 1) return null;
return state.objects.find((o) => o.id === state.selectedIds[0]) ?? null;
}, [state.objects, state.selectedIds]);
// -- Render ---------------------------------------------------------------
if (showArtboardSetup) {
@ -155,42 +187,20 @@ export default function DesignCanvas({
<div className={styles.container}>
{/* Top toolbar */}
<div className={styles.toolbar}>
<div className={styles.toolGroup}>
{TOOLS.map(({ tool, label, icon }) => (
<button
key={tool}
type="button"
className={`canvas-tool-btn${activeTool === tool ? ' canvas-tool-btn--active' : ''}`}
onClick={() => setActiveTool(tool)}
title={label}
aria-pressed={activeTool === tool}
>
<span className="canvas-tool-icon">{icon}</span>
<span className="canvas-tool-label">{label}</span>
</button>
))}
</div>
<div className={styles.toolGroup}>
<button
type="button"
className="canvas-tool-btn"
onClick={undo}
disabled={!canUndo}
title="Undo (Ctrl+Z)"
>
Undo
</button>
<button
type="button"
className="canvas-tool-btn"
onClick={redo}
disabled={!canRedo}
title="Redo (Ctrl+Shift+Z)"
>
Redo
</button>
</div>
<CanvasToolbar
activeTool={activeTool}
onToolChange={setActiveTool}
canUndo={canUndo}
canRedo={canRedo}
onUndo={undo}
onRedo={redo}
showGrid={showGrid}
onToggleGrid={() => setShowGrid((g) => !g)}
zoomLevel={zoomLevel}
onZoomIn={handleZoomIn}
onZoomOut={handleZoomOut}
onZoomFit={handleZoomFit}
/>
</div>
{/* Main area: canvas + right panel */}
@ -216,11 +226,34 @@ export default function DesignCanvas({
/>
</div>
{/* Right panel placeholder (wired in T03) */}
{/* Right panel: alignment bar, object panel, shape properties */}
<div className={styles.panelArea} data-testid="panel-area">
<div className={styles.panelPlaceholder}>
Object &amp; Properties Panel
</div>
{/* Alignment bar — visible when selection exists */}
<AlignmentBar
objects={state.objects}
selectedIds={state.selectedIds}
artboard={state.artboard}
onUpdateObject={updateObject}
/>
{/* Object / layer panel */}
<ObjectPanel
objects={state.objects}
selectedIds={state.selectedIds}
onSelect={handleSelect}
onReorder={reorderObject}
onToggleVisibility={toggleVisibility}
onToggleLock={toggleLock}
onRename={handleRename}
/>
{/* Shape properties — visible when exactly 1 object selected */}
{selectedObject && (
<ShapeProperties
object={selectedObject}
onUpdate={updateObject}
/>
)}
</div>
</div>
</div>