feat: Built complete ExportView with DXF/SVG/PNG format selector, valid…
- "app/src/views/ExportView.tsx" - "app/src/views/ExportView.module.css" - "app/src/App.tsx" GSD-Task: S01/T04
This commit is contained in:
jlightner
parent
fa4c765860
commit
8ef0d4bf01
3 changed files with 596 additions and 8 deletions
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@ -4,6 +4,7 @@ import type { TraceMetadata } from './types/engine';
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import { useCanvasState } from './hooks/useCanvasState';
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import ImportConvert from './views/ImportConvert';
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import DesignCanvas from './views/DesignCanvas';
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import ExportView from './views/ExportView';
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import './App.css';
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type ViewState = 'import' | 'canvas' | 'export';
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@ -51,14 +52,12 @@ function App() {
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/>
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)}
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{view === 'export' && (
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<div className="placeholder-view" data-testid="export-view">
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<p>View 3: Export (placeholder)</p>
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<p>PNG preview captured: {pngDataUrl ? 'Yes' : 'No'}</p>
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<p>Objects: {canvasState.state.objects.length}</p>
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<button type="button" onClick={handleBackToCanvas}>
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← Back to Design
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</button>
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</div>
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<ExportView
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objects={canvasState.state.objects}
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artboard={canvasState.state.artboard}
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pngDataUrl={pngDataUrl}
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onBack={handleBackToCanvas}
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/>
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)}
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</div>
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);
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284
app/src/views/ExportView.module.css
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284
app/src/views/ExportView.module.css
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@ -0,0 +1,284 @@
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/* Export View (View 3) layout */
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.container {
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display: flex;
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flex-direction: column;
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width: 100%;
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height: 100svh;
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overflow: hidden;
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}
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.header {
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display: flex;
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align-items: center;
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justify-content: space-between;
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gap: 16px;
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padding: 12px 16px;
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border-bottom: 1px solid var(--border);
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background: var(--bg);
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flex-shrink: 0;
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}
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.headerTitle {
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font-size: 18px;
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font-weight: 700;
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color: var(--text-h);
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margin: 0;
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}
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.backBtn {
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display: inline-flex;
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align-items: center;
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gap: 6px;
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padding: 6px 12px;
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border: 1px solid var(--border);
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border-radius: 5px;
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background: var(--bg);
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color: var(--text-h);
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font-size: 13px;
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font-family: inherit;
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cursor: pointer;
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transition: border-color 0.12s, background-color 0.12s;
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}
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.backBtn:hover {
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border-color: var(--accent-border);
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background: var(--accent-bg);
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}
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.body {
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display: flex;
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flex: 1;
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min-height: 0;
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overflow-y: auto;
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}
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.mainPanel {
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flex: 1;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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gap: 24px;
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padding: 32px 24px;
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min-width: 0;
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}
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.sidePanel {
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flex: 0 0 320px;
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border-left: 1px solid var(--border);
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background: var(--bg);
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overflow-y: auto;
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padding: 16px;
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display: flex;
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flex-direction: column;
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gap: 20px;
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}
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/* Preview thumbnail */
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.previewSection {
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 12px;
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width: 100%;
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max-width: 480px;
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}
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.previewLabel {
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font-size: 12px;
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font-weight: 600;
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text-transform: uppercase;
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letter-spacing: 0.5px;
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color: var(--text);
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align-self: flex-start;
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}
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.previewImage {
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max-width: 100%;
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max-height: 340px;
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border: 1px solid var(--border);
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border-radius: 8px;
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background: var(--code-bg);
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object-fit: contain;
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}
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.previewPlaceholder {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100%;
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height: 200px;
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border: 1px dashed var(--border);
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border-radius: 8px;
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color: var(--text);
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font-size: 14px;
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}
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/* Format selector */
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.sectionLabel {
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font-size: 12px;
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font-weight: 700;
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text-transform: uppercase;
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letter-spacing: 0.5px;
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color: var(--text);
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margin: 0 0 8px;
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}
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.formatGrid {
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display: flex;
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flex-direction: column;
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gap: 6px;
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}
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.formatCard {
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display: flex;
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flex-direction: column;
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gap: 2px;
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padding: 10px 12px;
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border: 1px solid var(--border);
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border-radius: 6px;
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background: var(--bg);
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cursor: pointer;
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text-align: left;
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transition: border-color 0.12s, background-color 0.12s;
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font-family: inherit;
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}
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.formatCard:hover {
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border-color: var(--accent-border);
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background: var(--accent-bg);
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}
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.formatCardSelected {
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border-color: var(--accent);
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background: var(--accent-bg);
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box-shadow: 0 0 0 1px var(--accent);
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}
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.formatName {
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font-size: 14px;
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font-weight: 600;
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color: var(--text-h);
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}
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.formatDesc {
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font-size: 12px;
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color: var(--text);
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line-height: 1.3;
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}
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/* Unit selector */
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.unitSelector {
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display: flex;
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gap: 16px;
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align-items: center;
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}
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.unitLabel {
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display: flex;
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align-items: center;
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gap: 4px;
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font-size: 13px;
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color: var(--text-h);
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cursor: pointer;
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}
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.unitLabel input[type="radio"] {
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accent-color: var(--accent);
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}
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/* Validation panel */
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.validationPanel {
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display: flex;
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flex-direction: column;
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gap: 6px;
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}
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.validationItem {
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display: flex;
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align-items: flex-start;
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gap: 8px;
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padding: 8px 10px;
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border-radius: 6px;
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font-size: 13px;
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line-height: 1.4;
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}
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.validationError {
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background: rgba(231, 76, 60, 0.1);
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color: #e74c3c;
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border: 1px solid rgba(231, 76, 60, 0.25);
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}
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.validationWarning {
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background: rgba(243, 156, 18, 0.1);
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color: #e67e22;
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border: 1px solid rgba(243, 156, 18, 0.25);
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}
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.validationIcon {
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flex-shrink: 0;
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font-size: 14px;
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line-height: 1.4;
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}
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.validationOk {
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font-size: 13px;
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color: #27ae60;
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padding: 8px 10px;
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}
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/* Download button */
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.downloadBtn {
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display: flex;
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align-items: center;
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justify-content: center;
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gap: 8px;
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width: 100%;
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padding: 12px 24px;
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background: var(--accent);
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color: #fff;
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border: none;
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border-radius: 6px;
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font-size: 15px;
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font-weight: 600;
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cursor: pointer;
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transition: opacity 0.15s;
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font-family: inherit;
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}
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.downloadBtn:hover {
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opacity: 0.9;
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}
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.downloadBtn:disabled {
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opacity: 0.5;
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cursor: not-allowed;
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}
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.downloadBtnExporting {
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opacity: 0.7;
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cursor: wait;
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}
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.exportError {
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font-size: 13px;
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color: #e74c3c;
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padding: 8px 10px;
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background: rgba(231, 76, 60, 0.08);
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border-radius: 6px;
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}
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/* Responsive */
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@media (max-width: 768px) {
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.body {
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flex-direction: column;
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}
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.sidePanel {
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flex: none;
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border-left: none;
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border-top: 1px solid var(--border);
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}
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}
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305
app/src/views/ExportView.tsx
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305
app/src/views/ExportView.tsx
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@ -0,0 +1,305 @@
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/**
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* ExportView (View 3) — format selection, validation, and download.
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*
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* Receives canvas state from App.tsx (lifted in T02) and uses the export
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* service (T03) to compose SVG, validate, call the engine API, and trigger
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* downloads.
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*/
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import { useCallback, useEffect, useMemo, useState } from 'react';
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import type { ArtboardConfig, ArtboardUnit, CanvasObject } from '../types/canvas';
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import {
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composeCanvasSVG,
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validateForExport,
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triggerDownload,
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type ValidationResult,
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} from '../utils/exportService';
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import { exportAsDxf } from '../api/engine';
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import styles from './ExportView.module.css';
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// -- Types --------------------------------------------------------------------
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export type ExportFormat = 'dxf' | 'svg' | 'png';
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export interface ExportViewProps {
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objects: CanvasObject[];
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artboard: ArtboardConfig | null;
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pngDataUrl: string | null;
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onBack: () => void;
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}
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interface FormatOption {
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id: ExportFormat;
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name: string;
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description: string;
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}
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const FORMAT_OPTIONS: FormatOption[] = [
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{
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id: 'dxf',
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name: 'DXF',
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description: 'AutoCAD / LightBurn — vector paths with real-world scale',
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},
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{
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id: 'svg',
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name: 'SVG',
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description: 'Scalable vector — Inkscape, Illustrator, web',
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},
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{
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id: 'png',
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name: 'PNG',
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description: 'Raster image — print preview, sharing',
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},
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];
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// Scale factors: canvas uses 96 PPI internally
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const SCALE_FACTORS: Record<ArtboardUnit, number> = {
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inches: 1 / 96,
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mm: 25.4 / 96,
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};
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// -- Component ----------------------------------------------------------------
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export default function ExportView({
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objects,
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artboard,
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pngDataUrl,
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onBack,
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}: ExportViewProps) {
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const [selectedFormat, setSelectedFormat] = useState<ExportFormat>('dxf');
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const [selectedUnit, setSelectedUnit] = useState<ArtboardUnit>(
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artboard?.unit ?? 'inches',
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);
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const [exporting, setExporting] = useState(false);
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const [exportError, setExportError] = useState<string | null>(null);
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// Run validation on mount and when objects/artboard change
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const validation: ValidationResult = useMemo(
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() => validateForExport(objects, artboard),
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[objects, artboard],
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);
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const hasBlockingErrors = validation.issues.some(
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(i) => i.severity === 'error',
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);
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// Reset unit when artboard changes
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useEffect(() => {
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if (artboard) {
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setSelectedUnit(artboard.unit);
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}
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}, [artboard]);
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// Whether unit selector is relevant for the selected format
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const showUnitSelector = selectedFormat === 'dxf' || selectedFormat === 'svg';
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// -- Export handlers --------------------------------------------------------
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const handleExport = useCallback(async () => {
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if (!artboard && selectedFormat !== 'png') return;
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setExporting(true);
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setExportError(null);
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try {
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switch (selectedFormat) {
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case 'dxf': {
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const svgString = composeCanvasSVG(objects, artboard!);
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const scaleFactor = SCALE_FACTORS[selectedUnit];
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const dxfBlob = await exportAsDxf(
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svgString,
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selectedUnit,
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scaleFactor,
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);
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triggerDownload(dxfBlob, 'export.dxf');
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break;
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}
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case 'svg': {
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const svgString = composeCanvasSVG(objects, artboard!);
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const svgBlob = new Blob([svgString], { type: 'image/svg+xml' });
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triggerDownload(svgBlob, 'export.svg');
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break;
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}
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case 'png': {
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if (!pngDataUrl) {
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setExportError('No PNG preview available. Go back and try again.');
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break;
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}
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// Convert data URL to Blob
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const response = await fetch(pngDataUrl);
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const pngBlob = await response.blob();
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triggerDownload(pngBlob, 'export.png');
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break;
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}
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}
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} catch (err) {
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const message =
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err instanceof Error ? err.message : 'Export failed unexpectedly.';
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setExportError(message);
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console.error('[ExportView] export error:', err);
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} finally {
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setExporting(false);
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}
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}, [selectedFormat, selectedUnit, objects, artboard, pngDataUrl]);
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// Disable download when there are blocking errors (except PNG which
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// doesn't need artboard/vector validation)
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const downloadDisabled =
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exporting ||
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(selectedFormat !== 'png' && hasBlockingErrors) ||
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(selectedFormat === 'png' && !pngDataUrl);
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// -- Render -----------------------------------------------------------------
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return (
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<div className={styles.container} data-testid="export-view">
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{/* Header */}
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<header className={styles.header}>
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<h1 className={styles.headerTitle}>Export</h1>
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<button
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type="button"
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className={styles.backBtn}
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onClick={onBack}
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data-testid="export-back-btn"
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>
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← Back to Design
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</button>
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</header>
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<div className={styles.body}>
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{/* Main panel — preview */}
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<div className={styles.mainPanel}>
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<div className={styles.previewSection}>
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<span className={styles.previewLabel}>Preview</span>
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{pngDataUrl ? (
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<img
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className={styles.previewImage}
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src={pngDataUrl}
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alt="Design preview"
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data-testid="export-preview"
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/>
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) : (
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<div className={styles.previewPlaceholder}>
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No preview available
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</div>
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)}
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</div>
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</div>
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{/* Side panel — format, units, validation, download */}
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<aside className={styles.sidePanel}>
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{/* Format selector */}
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<div>
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<p className={styles.sectionLabel}>Format</p>
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<div className={styles.formatGrid} data-testid="format-selector">
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{FORMAT_OPTIONS.map((fmt) => (
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<button
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key={fmt.id}
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type="button"
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className={`${styles.formatCard}${
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selectedFormat === fmt.id
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? ` ${styles.formatCardSelected}`
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: ''
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}`}
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onClick={() => {
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setSelectedFormat(fmt.id);
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setExportError(null);
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}}
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data-testid={`format-${fmt.id}`}
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>
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<span className={styles.formatName}>{fmt.name}</span>
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<span className={styles.formatDesc}>{fmt.description}</span>
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</button>
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))}
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</div>
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</div>
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{/* Unit selector (DXF/SVG only) */}
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{showUnitSelector && (
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<div>
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<p className={styles.sectionLabel}>Units</p>
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<div
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className={styles.unitSelector}
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data-testid="unit-selector"
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>
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<label className={styles.unitLabel}>
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<input
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type="radio"
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name="export-unit"
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value="inches"
|
||||
checked={selectedUnit === 'inches'}
|
||||
onChange={() => setSelectedUnit('inches')}
|
||||
/>
|
||||
Inches
|
||||
</label>
|
||||
<label className={styles.unitLabel}>
|
||||
<input
|
||||
type="radio"
|
||||
name="export-unit"
|
||||
value="mm"
|
||||
checked={selectedUnit === 'mm'}
|
||||
onChange={() => setSelectedUnit('mm')}
|
||||
/>
|
||||
Millimeters
|
||||
</label>
|
||||
</div>
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Validation panel */}
|
||||
<div>
|
||||
<p className={styles.sectionLabel}>Validation</p>
|
||||
<div
|
||||
className={styles.validationPanel}
|
||||
data-testid="validation-panel"
|
||||
>
|
||||
{validation.issues.length === 0 ? (
|
||||
<p className={styles.validationOk}>✓ Ready to export</p>
|
||||
) : (
|
||||
validation.issues.map((issue, i) => (
|
||||
<div
|
||||
key={`${issue.objectId ?? 'global'}-${i}`}
|
||||
className={`${styles.validationItem} ${
|
||||
issue.severity === 'error'
|
||||
? styles.validationError
|
||||
: styles.validationWarning
|
||||
}`}
|
||||
data-testid={`validation-${issue.severity}`}
|
||||
>
|
||||
<span className={styles.validationIcon}>
|
||||
{issue.severity === 'error' ? '✕' : '⚠'}
|
||||
</span>
|
||||
<span>{issue.message}</span>
|
||||
</div>
|
||||
))
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Export error */}
|
||||
{exportError && (
|
||||
<div className={styles.exportError} data-testid="export-error">
|
||||
{exportError}
|
||||
</div>
|
||||
)}
|
||||
|
||||
{/* Download button */}
|
||||
<button
|
||||
type="button"
|
||||
className={`${styles.downloadBtn}${
|
||||
exporting ? ` ${styles.downloadBtnExporting}` : ''
|
||||
}`}
|
||||
disabled={downloadDisabled}
|
||||
onClick={handleExport}
|
||||
data-testid="download-btn"
|
||||
>
|
||||
{exporting
|
||||
? 'Exporting…'
|
||||
: `Download ${selectedFormat.toUpperCase()}`}
|
||||
</button>
|
||||
</aside>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue