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Халимов Рустам
372
components/LayoutStep.tsx
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372
components/LayoutStep.tsx
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import React, { useRef, useState, useMemo } from 'react';
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import { AppConfig, LayoutSplits } from '../types';
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import { Grid, MousePointer2, Trash2, RotateCcw } from 'lucide-react';
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interface Props {
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config: AppConfig;
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splits: LayoutSplits;
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onChange: (splits: LayoutSplits) => void;
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}
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type Axis = 'x' | 'y';
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export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
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const svgRef = useRef<SVGSVGElement>(null);
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// State for interaction
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const [phantomAxis, setPhantomAxis] = useState<Axis | null>(null); // Proposed new line axis
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const [mousePos, setMousePos] = useState({ x: 0, y: 0 }); // Normalized 0-1
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const [hoveredSplit, setHoveredSplit] = useState<{ axis: Axis; index: number } | null>(null);
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const [dragging, setDragging] = useState<{ axis: Axis; index: number } | null>(null);
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// Constants
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const SNAP_THRESHOLD = 0.02; // Reduced threshold slightly for better precision on large grid
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const viewBoxW = 1000;
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const aspectRatio = config.drawer.depth / config.drawer.width;
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const viewBoxH = viewBoxW * aspectRatio;
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// Helpers to calculate cell dimensions
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// IMPORTANT: Dependencies must be correct. dragging updates splits, which updates sortedX/Y
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const sortedX = useMemo(() => [0, ...splits.x, 1].sort((a, b) => a - b), [splits.x]);
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const sortedY = useMemo(() => [0, ...splits.y, 1].sort((a, b) => a - b), [splits.y]);
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// Handlers
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const handleMouseMove = (e: React.MouseEvent) => {
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if (!svgRef.current) return;
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const rect = svgRef.current.getBoundingClientRect();
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const nx = Math.max(0, Math.min(1, (e.clientX - rect.left) / rect.width));
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const ny = Math.max(0, Math.min(1, (e.clientY - rect.top) / rect.height));
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setMousePos({ x: nx, y: ny });
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if (dragging) {
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// Move logic
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// IMPORTANT: Create NEW array references so useMemo in this component and parent components detect changes
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const newSplits = {
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x: [...splits.x],
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y: [...splits.y]
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};
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const val = dragging.axis === 'x' ? nx : ny;
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newSplits[dragging.axis][dragging.index] = val;
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onChange(newSplits);
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return;
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}
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// Hover logic: Check if near existing lines
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let foundSplit = null;
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// Check X splits (Vertical lines)
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splits.x.forEach((val, idx) => {
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if (Math.abs(nx - val) < SNAP_THRESHOLD) foundSplit = { axis: 'x' as Axis, index: idx };
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});
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// Check Y splits (Horizontal lines)
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if (!foundSplit) {
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splits.y.forEach((val, idx) => {
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if (Math.abs(ny - val) < SNAP_THRESHOLD) foundSplit = { axis: 'y' as Axis, index: idx };
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});
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}
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setHoveredSplit(foundSplit);
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// Auto-detect axis for NEW lines if not hovering existing
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// AND if not too close to other lines
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if (!foundSplit) {
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// Check proximity to ALL lines to prevent creating duplicates
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const closeToX = splits.x.some(val => Math.abs(nx - val) < SNAP_THRESHOLD);
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const closeToY = splits.y.some(val => Math.abs(ny - val) < SNAP_THRESHOLD);
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// Also check edges (0 and 1)
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const closeToEdgeX = nx < SNAP_THRESHOLD || nx > (1 - SNAP_THRESHOLD);
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const closeToEdgeY = ny < SNAP_THRESHOLD || ny > (1 - SNAP_THRESHOLD);
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if (closeToX || closeToEdgeX) {
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// Too close to X line or edge, don't allow vertical split here
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// But might allow horizontal?
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// Actually if we are close to an X line, we probably want to select it, which is handled by foundSplit.
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// If foundSplit is null but closeToX is true, it means we are just outside threshold?
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// Let's simplified: if too close to any parallel line, disable creation.
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}
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const distLeft = nx;
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const distRight = 1 - nx;
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const distTop = ny;
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const distBottom = 1 - ny;
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const minXDist = Math.min(distLeft, distRight);
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const minYDist = Math.min(distTop, distBottom);
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// Determine potential axis
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let potentialAxis: Axis = minXDist < minYDist ? 'y' : 'x';
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// Validate proximity for that axis
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let valid = true;
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if (potentialAxis === 'x') {
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if (closeToX || closeToEdgeX) valid = false;
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} else {
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if (closeToY || closeToEdgeY) valid = false;
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}
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if (valid) {
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setPhantomAxis(potentialAxis);
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} else {
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setPhantomAxis(null);
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}
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} else {
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setPhantomAxis(null);
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}
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};
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const handleMouseDown = (e: React.MouseEvent) => {
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if (hoveredSplit) {
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// Start Dragging
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if (e.button === 0) { // Left click
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setDragging(hoveredSplit);
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} else if (e.button === 2) { // Right click
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removeSplit(hoveredSplit.axis, hoveredSplit.index);
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}
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} else if (phantomAxis) {
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// Create New Split
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const val = phantomAxis === 'x' ? mousePos.x : mousePos.y;
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const newSplits = { ...splits };
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newSplits[phantomAxis] = [...newSplits[phantomAxis], val];
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onChange(newSplits);
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// Immediately start dragging the new line for fine-tuning
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setDragging({ axis: phantomAxis, index: newSplits[phantomAxis].length - 1 });
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}
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};
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const handleMouseUp = () => {
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setDragging(null);
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};
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const removeSplit = (axis: Axis, index: number) => {
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const newSplits = { ...splits };
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newSplits[axis] = newSplits[axis].filter((_, i) => i !== index);
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onChange(newSplits);
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setHoveredSplit(null);
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setDragging(null);
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};
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return (
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<div className="bg-slate-900 p-6 rounded-xl shadow-lg border border-slate-800 h-full flex flex-col">
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<div className="flex justify-between items-center mb-4">
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<h2 className="text-xl font-bold flex items-center gap-2 text-primary">
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<Grid size={24} /> 2. Редактор макета
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</h2>
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<button
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onClick={() => onChange({ x: [], y: [] })}
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className="px-3 py-1 text-xs bg-slate-800 text-red-400 hover:text-red-300 rounded hover:bg-slate-700 border border-slate-700 flex items-center gap-1 transition-colors"
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>
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<RotateCcw size={14} /> Сбросить сетку
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</button>
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</div>
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<div className="flex flex-col h-full select-none">
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<div className="flex-1 bg-slate-800/30 rounded-lg p-6 flex flex-col items-center justify-center relative overflow-hidden border border-slate-700/50">
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{/* Instruction Box */}
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<div className="absolute top-4 left-4 z-10 bg-slate-900/90 p-3 rounded-lg backdrop-blur border border-slate-700 shadow-xl max-w-[200px] pointer-events-none">
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<div className="flex items-center gap-2 font-bold text-gray-100 mb-2 text-sm">
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<MousePointer2 size={14} className="text-primary"/> Инструкция
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</div>
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<ul className="space-y-1.5 text-[10px] text-gray-400 leading-tight">
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<li><b className="text-blue-400">Клик у края:</b> Новая линия</li>
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<li><b className="text-orange-400">Перетаскивание:</b> Изменить размер</li>
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<li><b className="text-red-400">Двойной клик/ПКМ:</b> Удалить</li>
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</ul>
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</div>
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{/* Rulers */}
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<div className="w-full flex justify-between px-8 mb-1 max-w-[900px]">
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<span className="text-xs text-slate-500 font-mono">0</span>
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<span className="text-xs text-slate-500 font-mono">{config.drawer.width} мм</span>
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</div>
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<div className="relative flex items-center justify-center w-full h-full">
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<div className="h-full max-h-[90%] flex flex-col justify-between py-2 mr-2">
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<span className="text-xs text-slate-500 font-mono">0</span>
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<span className="text-xs text-slate-500 font-mono" style={{writingMode: 'vertical-rl'}}>{config.drawer.depth} мм</span>
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</div>
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{/* Main Interactive SVG */}
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<div
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className="relative shadow-2xl bg-[#1e293b] border border-slate-600 rounded-sm overflow-hidden"
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style={{
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width: '100%',
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maxWidth: '900px',
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aspectRatio: `${1/aspectRatio}`,
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cursor: dragging ? 'grabbing' : hoveredSplit ? 'grab' : 'crosshair',
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maxHeight: '75vh'
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}}
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>
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<svg
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ref={svgRef}
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viewBox={`0 0 ${viewBoxW} ${viewBoxH}`}
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className="w-full h-full touch-none"
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onMouseMove={handleMouseMove}
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onMouseDown={handleMouseDown}
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onMouseUp={handleMouseUp}
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onMouseLeave={handleMouseUp}
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onContextMenu={(e) => e.preventDefault()}
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>
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<defs>
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<pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse">
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<path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.03)" strokeWidth="1"/>
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</pattern>
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<filter id="solid-bg" x="-0.1" y="-0.1" width="1.2" height="1.2">
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<feFlood floodColor="#1e293b" floodOpacity="0.8"/>
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<feComposite in="SourceGraphic" operator="over"/>
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</filter>
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</defs>
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<rect width="100%" height="100%" fill="url(#grid)" />
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{/* --- Cell Dimensions Labels --- */}
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{sortedX.slice(0, -1).map((x1, i) => {
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const x2 = sortedX[i + 1];
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return sortedY.slice(0, -1).map((y1, j) => {
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const y2 = sortedY[j + 1];
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const width = (x2 - x1) * config.drawer.width;
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const depth = (y2 - y1) * config.drawer.depth;
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const centerX = ((x1 + x2) / 2) * viewBoxW;
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const centerY = ((y1 + y2) / 2) * viewBoxH;
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const cellWidthSVG = (x2 - x1) * viewBoxW;
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const cellHeightSVG = (y2 - y1) * viewBoxH;
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// Dynamic Font Sizing Logic
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// Max font size: 36px
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// Must fit in height: 60% of height max
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// Must fit in width: approx 25% of width max (assuming ~5 chars)
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let fontSize = Math.min(36, cellHeightSVG * 0.6);
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fontSize = Math.min(fontSize, cellWidthSVG * 0.25);
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// Don't show text if calculated font size is too small to be readable
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if (fontSize < 10) return null;
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return (
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<text
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key={`label-${i}-${j}`}
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x={centerX}
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y={centerY}
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textAnchor="middle"
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dominantBaseline="middle"
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className="pointer-events-none select-none fill-slate-100 font-bold font-mono drop-shadow-md transition-all duration-200"
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style={{
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fontSize: `${fontSize}px`,
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textShadow: '1px 1px 3px rgba(0,0,0,0.8)'
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}}
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>
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{width.toFixed(0)} × {depth.toFixed(0)}
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</text>
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);
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});
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})}
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{/* --- Existing X Lines (Vertical) --- */}
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{splits.x.map((x, i) => {
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const isHovered = hoveredSplit?.axis === 'x' && hoveredSplit.index === i;
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const isDragging = dragging?.axis === 'x' && dragging.index === i;
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const color = isHovered || isDragging ? '#f59e0b' : '#64748b';
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const width = isHovered || isDragging ? 8 : 4;
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return (
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<g key={`x-${i}`} onDoubleClick={() => removeSplit('x', i)}>
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{/* Invisible wide hit area */}
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<line
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x1={x * viewBoxW} y1={0}
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x2={x * viewBoxW} y2={viewBoxH}
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stroke="transparent" strokeWidth="60"
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className="cursor-col-resize hover:stroke-white/5"
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/>
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{/* Visible Line */}
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<line
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x1={x * viewBoxW} y1={0}
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x2={x * viewBoxW} y2={viewBoxH}
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stroke={color} strokeWidth={width}
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className="transition-all duration-150"
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/>
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{/* Delete Button if hovered */}
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{(isHovered || isDragging) && (
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<g transform={`translate(${x * viewBoxW}, 40)`} onClick={(e) => { e.stopPropagation(); removeSplit('x', i); }}>
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<circle r="16" fill="#ef4444" className="cursor-pointer hover:scale-110 transition-transform shadow-lg"/>
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<Trash2 size={16} color="white" x={-8} y={-8} className="pointer-events-none"/>
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</g>
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)}
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</g>
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);
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})}
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{/* --- Existing Y Lines (Horizontal) --- */}
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{splits.y.map((y, i) => {
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const isHovered = hoveredSplit?.axis === 'y' && hoveredSplit.index === i;
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const isDragging = dragging?.axis === 'y' && dragging.index === i;
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const color = isHovered || isDragging ? '#f59e0b' : '#64748b';
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const width = isHovered || isDragging ? 8 : 4;
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return (
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<g key={`y-${i}`} onDoubleClick={() => removeSplit('y', i)}>
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{/* Invisible wide hit area */}
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<line
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x1={0} y1={y * viewBoxH}
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x2={viewBoxW} y2={y * viewBoxH}
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stroke="transparent" strokeWidth="60"
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className="cursor-row-resize hover:stroke-white/5"
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/>
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<line
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x1={0} y1={y * viewBoxH}
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x2={viewBoxW} y2={y * viewBoxH}
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stroke={color} strokeWidth={width}
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className="transition-all duration-150"
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/>
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{(isHovered || isDragging) && (
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<g transform={`translate(40, ${y * viewBoxH})`} onClick={(e) => { e.stopPropagation(); removeSplit('y', i); }}>
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<circle r="16" fill="#ef4444" className="cursor-pointer hover:scale-110 transition-transform shadow-lg"/>
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<Trash2 size={16} color="white" x={-8} y={-8} className="pointer-events-none"/>
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</g>
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)}
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</g>
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);
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})}
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{/* --- Phantom Line (Preview) --- */}
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{!hoveredSplit && !dragging && phantomAxis === 'x' && (
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<g>
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<line
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x1={mousePos.x * viewBoxW} y1="0"
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x2={mousePos.x * viewBoxW} y2="100%"
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stroke="#3b82f6"
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strokeWidth="4"
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strokeDasharray="12,8"
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className="pointer-events-none opacity-60"
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/>
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<g transform={`translate(${mousePos.x * viewBoxW}, ${viewBoxH/2})`}>
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<circle r="3" fill="#3b82f6" />
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</g>
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</g>
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)}
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{!hoveredSplit && !dragging && phantomAxis === 'y' && (
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<g>
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<line
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x1="0" y1={mousePos.y * viewBoxH}
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x2="100%" y2={mousePos.y * viewBoxH}
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stroke="#3b82f6"
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strokeWidth="4"
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strokeDasharray="12,8"
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className="pointer-events-none opacity-60"
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/>
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<g transform={`translate(${viewBoxW/2}, ${mousePos.y * viewBoxH})`}>
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<circle r="3" fill="#3b82f6" />
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</g>
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</g>
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)}
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</svg>
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</div>
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</div>
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</div>
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</div>
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</div>
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);
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};
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Block a user