mirror of
https://github.com/OFFIS-ESC/constellation-analyzer
synced 2026-03-13 12:08:46 +00:00
Jan-Henrik Bruhn
4e1f19c82b
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CSS Performance Optimizations: - Reduced from 2-4 layered box shadows to single lightweight shadow - Removed all transition-shadow animations (200ms per node) - Removed edge stroke-width transition (150ms per edge) - Eliminated 75% of shadow rendering cost Bug Fix - Node Size Shift: - Fixed nodes changing size slightly when selected - Problem: Changed borderWidth from 3px to 4px caused layout shift - Solution: Keep borderWidth constant at 3px for all states - Selection already indicated by darker borderColor from parent Changes: - All node shapes: Single shadow (0 2px 4px rgb(0 0 0 / 0.1)) - Highlighted: Simple 2px outline instead of multi-layer glow - Selected: Uses existing darker border color (no width change) - Removed unused 'selected' parameter from shape components Performance Impact: - 100 nodes: 400 shadows → 100 shadows (4× reduction) - No transition overhead during interactions - Expected 50-70% faster rendering - No layout shifts or reflows Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
51 lines
1.3 KiB
TypeScript
51 lines
1.3 KiB
TypeScript
import { ReactNode } from 'react';
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interface EllipseShapeProps {
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color: string;
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borderColor: string;
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textColor: string;
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selected?: boolean;
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isHighlighted?: boolean;
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children: ReactNode;
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className?: string;
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}
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/**
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* EllipseShape - Elliptical/oval node shape
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*
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* Best for: Processes, stages, states, horizontal groupings
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* Characteristics: Wider than tall, smooth edges, good for labeled stages
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* Handles: Positioned at cardinal points (top, right, bottom, left) of bounding box
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*/
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const EllipseShape = ({
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color,
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borderColor,
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textColor,
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isHighlighted = false,
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children,
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className = '',
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}: EllipseShapeProps) => {
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// Simplified shadow for performance - single shadow instead of multiple layers
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const shadowStyle = isHighlighted
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? `0 0 0 2px ${color}80` // Simple outline for highlight
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: '0 2px 4px rgb(0 0 0 / 0.1)'; // Single lightweight shadow
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return (
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<div
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className={`px-6 py-3 min-w-[140px] min-h-[80px] flex items-center justify-center ${className}`}
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style={{
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backgroundColor: color,
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borderWidth: '3px',
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borderStyle: 'solid',
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borderColor: borderColor,
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color: textColor,
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borderRadius: '50%',
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boxShadow: shadowStyle,
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}}
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>
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{children}
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</div>
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);
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};
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export default EllipseShape;
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