velxio/frontend/src/components/simulator/SimulatorCanvas.tsx

344 lines
11 KiB
TypeScript

import { useSimulatorStore, ARDUINO_POSITION } from '../../store/useSimulatorStore';
import React, { useEffect, useState, useRef } from 'react';
import { ArduinoUno } from '../components-wokwi/ArduinoUno';
import { ComponentPickerModal } from '../ComponentPickerModal';
import { DynamicComponent, createComponentFromMetadata } from '../DynamicComponent';
import { ComponentRegistry } from '../../services/ComponentRegistry';
import { PinSelector } from './PinSelector';
import { WireLayer } from './WireLayer';
import { PinOverlay } from './PinOverlay';
import type { ComponentMetadata } from '../../types/component-metadata';
import './SimulatorCanvas.css';
export const SimulatorCanvas = () => {
const {
components,
running,
pinManager,
initSimulator,
updateComponentState,
addComponent,
removeComponent,
updateComponent,
} = useSimulatorStore();
// Wire management from store
const startWireCreation = useSimulatorStore((s) => s.startWireCreation);
const updateWireInProgress = useSimulatorStore((s) => s.updateWireInProgress);
const finishWireCreation = useSimulatorStore((s) => s.finishWireCreation);
const cancelWireCreation = useSimulatorStore((s) => s.cancelWireCreation);
const wireInProgress = useSimulatorStore((s) => s.wireInProgress);
const recalculateAllWirePositions = useSimulatorStore((s) => s.recalculateAllWirePositions);
// Component picker modal
const [showComponentPicker, setShowComponentPicker] = useState(false);
const [registry] = useState(() => ComponentRegistry.getInstance());
// Component selection
const [selectedComponentId, setSelectedComponentId] = useState<string | null>(null);
const [showPinSelector, setShowPinSelector] = useState(false);
const [pinSelectorPos, setPinSelectorPos] = useState({ x: 0, y: 0 });
// Component dragging state
const [draggedComponentId, setDraggedComponentId] = useState<string | null>(null);
const [dragOffset, setDragOffset] = useState({ x: 0, y: 0 });
// Pin visualization
const [hoveredComponentId, setHoveredComponentId] = useState<string | null>(null);
// Canvas ref for coordinate calculations
const canvasRef = useRef<HTMLDivElement>(null);
// Initialize simulator on mount
useEffect(() => {
initSimulator();
}, [initSimulator]);
// Recalculate wire positions after web components initialize their pinInfo
useEffect(() => {
const timer = setTimeout(() => {
recalculateAllWirePositions();
}, 500);
return () => clearTimeout(timer);
}, [recalculateAllWirePositions]);
// Connect components to pin manager
useEffect(() => {
const unsubscribers: (() => void)[] = [];
components.forEach((component) => {
if (component.properties.pin !== undefined) {
const unsubscribe = pinManager.onPinChange(
component.properties.pin,
(pin, state) => {
// Update component state when pin changes
updateComponentState(component.id, state);
console.log(`Component ${component.id} on pin ${pin}: ${state ? 'HIGH' : 'LOW'}`);
}
);
unsubscribers.push(unsubscribe);
}
});
return () => {
unsubscribers.forEach(unsub => unsub());
};
}, [components, pinManager, updateComponentState]);
// Handle keyboard delete
useEffect(() => {
const handleKeyDown = (e: KeyboardEvent) => {
if ((e.key === 'Delete' || e.key === 'Backspace') && selectedComponentId) {
removeComponent(selectedComponentId);
setSelectedComponentId(null);
}
};
window.addEventListener('keydown', handleKeyDown);
return () => window.removeEventListener('keydown', handleKeyDown);
}, [selectedComponentId, removeComponent]);
// Handle component selection from modal
const handleSelectComponent = (metadata: ComponentMetadata) => {
// Calculate grid position to avoid overlapping
// Use existing components count to determine position
const componentsCount = components.length;
const gridSize = 250; // Space between components
const cols = 3; // Components per row
const col = componentsCount % cols;
const row = Math.floor(componentsCount / cols);
const x = 400 + (col * gridSize);
const y = 100 + (row * gridSize);
const component = createComponentFromMetadata(metadata, x, y);
addComponent(component as any);
setShowComponentPicker(false);
};
// Component selection (double click to open pin selector)
const handleComponentDoubleClick = (componentId: string, event: React.MouseEvent) => {
event.stopPropagation();
setSelectedComponentId(componentId);
setPinSelectorPos({ x: event.clientX, y: event.clientY });
setShowPinSelector(true);
};
// Pin assignment
const handlePinSelect = (componentId: string, pin: number) => {
updateComponent(componentId, {
properties: {
...components.find((c) => c.id === componentId)?.properties,
pin,
},
} as any);
};
// Component dragging handlers
const handleComponentMouseDown = (componentId: string, e: React.MouseEvent) => {
// Don't start dragging if we're clicking on the pin selector
if (showPinSelector) return;
e.stopPropagation();
const component = components.find((c) => c.id === componentId);
if (!component || !canvasRef.current) return;
// Get canvas position to convert viewport coords to canvas coords
const canvasRect = canvasRef.current.getBoundingClientRect();
// Calculate offset in canvas coordinate system
setDraggedComponentId(componentId);
setDragOffset({
x: (e.clientX - canvasRect.left) - component.x,
y: (e.clientY - canvasRect.top) - component.y,
});
setSelectedComponentId(componentId);
};
const handleCanvasMouseMove = (e: React.MouseEvent) => {
if (!canvasRef.current) return;
// Handle component dragging
if (draggedComponentId) {
const canvasRect = canvasRef.current.getBoundingClientRect();
const newX = e.clientX - canvasRect.left - dragOffset.x;
const newY = e.clientY - canvasRect.top - dragOffset.y;
updateComponent(draggedComponentId, {
x: Math.max(0, newX),
y: Math.max(0, newY),
} as any);
}
// Handle wire creation preview
if (wireInProgress && canvasRef.current) {
const canvasRect = canvasRef.current.getBoundingClientRect();
const currentX = e.clientX - canvasRect.left;
const currentY = e.clientY - canvasRect.top;
updateWireInProgress(currentX, currentY);
}
};
const handleCanvasMouseUp = () => {
if (draggedComponentId) {
// Recalculate wire positions after moving component
recalculateAllWirePositions();
setDraggedComponentId(null);
}
};
// Wire creation via pin clicks
const handlePinClick = (componentId: string, pinName: string, x: number, y: number) => {
if (wireInProgress) {
// Finish wire creation
finishWireCreation({
componentId,
pinName,
x,
y,
});
} else {
// Start wire creation
startWireCreation({
componentId,
pinName,
x,
y,
});
}
};
// Keyboard handlers for wires
useEffect(() => {
const handleKeyDown = (e: KeyboardEvent) => {
if (e.key === 'Escape' && wireInProgress) {
cancelWireCreation();
}
};
window.addEventListener('keydown', handleKeyDown);
return () => window.removeEventListener('keydown', handleKeyDown);
}, [wireInProgress, cancelWireCreation]);
// Render component using dynamic renderer
const renderComponent = (component: any) => {
const metadata = registry.getById(component.metadataId);
if (!metadata) {
console.warn(`Metadata not found for component: ${component.metadataId}`);
return null;
}
const isSelected = selectedComponentId === component.id;
const isHovered = hoveredComponentId === component.id;
const showPinsForComponent = isHovered || wireInProgress !== null;
return (
<React.Fragment key={component.id}>
<DynamicComponent
id={component.id}
metadata={metadata}
properties={component.properties}
x={component.x}
y={component.y}
isSelected={isSelected}
onMouseDown={(e) => {
handleComponentMouseDown(component.id, e);
}}
onDoubleClick={(e) => {
handleComponentDoubleClick(component.id, e);
}}
onMouseEnter={() => setHoveredComponentId(component.id)}
onMouseLeave={() => setHoveredComponentId(null)}
/>
{/* Pin overlay for wire creation */}
<PinOverlay
componentId={component.id}
componentX={component.x}
componentY={component.y}
onPinClick={handlePinClick}
showPins={showPinsForComponent}
/>
</React.Fragment>
);
};
return (
<div className="simulator-canvas-container">
{/* Main Canvas */}
<div className="simulator-canvas">
<div className="canvas-header">
<h3>Arduino Simulator</h3>
<div className="canvas-header-info">
<button
className="add-component-btn"
onClick={() => setShowComponentPicker(true)}
title="Add Component"
>
+ Add Component
</button>
<span className={`status-indicator ${running ? 'running' : 'stopped'}`}>
{running ? 'Running' : 'Stopped'}
</span>
<span className="component-count">{components.length} components</span>
</div>
</div>
<div
ref={canvasRef}
className="canvas-content"
onMouseMove={handleCanvasMouseMove}
onMouseUp={handleCanvasMouseUp}
onClick={() => setSelectedComponentId(null)}
style={{ cursor: wireInProgress ? 'crosshair' : 'default' }}
>
{/* Wire Layer - Renders below all components */}
<WireLayer />
{/* Arduino Uno Board using wokwi-elements */}
<ArduinoUno
x={ARDUINO_POSITION.x}
y={ARDUINO_POSITION.y}
led13={components.find((c) => c.id === 'led-builtin')?.properties.state || false}
/>
{/* Arduino pin overlay */}
<PinOverlay
componentId="arduino-uno"
componentX={ARDUINO_POSITION.x}
componentY={ARDUINO_POSITION.y}
onPinClick={handlePinClick}
showPins={wireInProgress !== null}
/>
{/* Components using wokwi-elements */}
<div className="components-area">{components.map(renderComponent)}</div>
</div>
</div>
{/* Pin Selector Modal */}
{showPinSelector && selectedComponentId && (
<PinSelector
componentId={selectedComponentId}
componentType={
components.find((c) => c.id === selectedComponentId)?.metadataId || 'unknown'
}
currentPin={
components.find((c) => c.id === selectedComponentId)?.properties.pin as number | undefined
}
onPinSelect={handlePinSelect}
onClose={() => setShowPinSelector(false)}
position={pinSelectorPos}
/>
)}
{/* Component Picker Modal */}
<ComponentPickerModal
isOpen={showComponentPicker}
onClose={() => setShowComponentPicker(false)}
onSelectComponent={handleSelectComponent}
/>
</div>
);
};