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Author SHA1 Message Date
github-actions[bot]
f2c3a24404 chore: release packages (#437)
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
2026-01-04 17:27:10 +08:00
yhh
3bfb8a1c9b chore: add changeset for node-editor box selection feature 2026-01-04 17:24:20 +08:00
yhh
2ee8d87647 feat(node-editor): add box selection and variable node error states
- Add box selection (drag on empty canvas to select multiple nodes)
- Support Ctrl+drag for additive selection
- Add error state styling for invalid variable references (red border, warning icon)
- Support dynamic node title via data.displayTitle
- Support hiding inputs via data.hiddenInputs array
2026-01-04 17:22:20 +08:00
6 changed files with 200 additions and 18 deletions

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@@ -1,5 +1,16 @@
# @esengine/node-editor
## 1.3.0
### Minor Changes
- [`3bfb8a1`](https://github.com/esengine/esengine/commit/3bfb8a1c9baba18373717910d29f266a71c1f63e) Thanks [@esengine](https://github.com/esengine)! - feat(node-editor): add box selection and variable node error states
- Add box selection: drag on empty canvas to select multiple nodes
- Support Ctrl+drag for additive selection (add to existing selection)
- Add error state styling for invalid variable references (red border, warning icon)
- Support dynamic node title via `data.displayTitle`
- Support hiding inputs via `data.hiddenInputs` array
## 1.2.2
### Patch Changes

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@@ -1,6 +1,6 @@
{
"name": "@esengine/node-editor",
"version": "1.2.2",
"version": "1.3.0",
"description": "Universal node-based visual editor for blueprint, shader graph, and state machine",
"main": "dist/index.js",
"module": "dist/index.js",

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@@ -50,6 +50,15 @@ export interface GraphCanvasProps {
/** Canvas context menu callback (画布右键菜单回调) */
onContextMenu?: (position: Position, e: React.MouseEvent) => void;
/** Canvas mouse down callback for box selection (画布鼠标按下回调,用于框选) */
onMouseDown?: (position: Position, e: React.MouseEvent) => void;
/** Canvas mouse move callback (画布鼠标移动回调) */
onCanvasMouseMove?: (position: Position, e: React.MouseEvent) => void;
/** Canvas mouse up callback (画布鼠标释放回调) */
onCanvasMouseUp?: (position: Position, e: React.MouseEvent) => void;
/** Children to render (要渲染的子元素) */
children?: React.ReactNode;
}
@@ -75,6 +84,9 @@ export const GraphCanvas: React.FC<GraphCanvasProps> = ({
onZoomChange,
onClick,
onContextMenu,
onMouseDown: onMouseDownProp,
onCanvasMouseMove,
onCanvasMouseUp,
children
}) => {
const containerRef = useRef<HTMLDivElement>(null);
@@ -132,22 +144,30 @@ export const GraphCanvas: React.FC<GraphCanvasProps> = ({
}, [zoom, pan, minZoom, maxZoom, updateZoom, updatePan]);
/**
* Handles mouse down for panning
* 处理鼠标按下开始平移
* Handles mouse down for panning or box selection
* 处理鼠标按下开始平移或框选
*/
const handleMouseDown = useCallback((e: React.MouseEvent) => {
// Middle mouse button or space + left click for panning
// 中键或空格+左键平移
// Middle mouse button or Alt + left click for panning
// 中键或 Alt+左键平移
if (e.button === 1 || (e.button === 0 && e.altKey)) {
e.preventDefault();
setIsPanning(true);
lastMousePos.current = new Position(e.clientX, e.clientY);
} else if (e.button === 0) {
// Left click on canvas background - start box selection
// 左键点击画布背景 - 开始框选
const target = e.target as HTMLElement;
if (target === containerRef.current || target.classList.contains('ne-canvas-content')) {
const canvasPos = screenToCanvas(e.clientX, e.clientY);
onMouseDownProp?.(canvasPos, e);
}
}
}, []);
}, [screenToCanvas, onMouseDownProp]);
/**
* Handles mouse move for panning
* 处理鼠标移动进行平移
* Handles mouse move for panning or box selection
* 处理鼠标移动进行平移或框选
*/
const handleMouseMove = useCallback((e: React.MouseEvent) => {
if (isPanning) {
@@ -157,13 +177,27 @@ export const GraphCanvas: React.FC<GraphCanvasProps> = ({
const newPan = new Position(pan.x + dx, pan.y + dy);
updatePan(newPan);
}
}, [isPanning, pan, updatePan]);
// Always call canvas mouse move for box selection
// 始终调用画布鼠标移动回调用于框选
const canvasPos = screenToCanvas(e.clientX, e.clientY);
onCanvasMouseMove?.(canvasPos, e);
}, [isPanning, pan, updatePan, screenToCanvas, onCanvasMouseMove]);
/**
* Handles mouse up to stop panning
* 处理鼠标释放停止平移
* Handles mouse up to stop panning or box selection
* 处理鼠标释放停止平移或框选
*/
const handleMouseUp = useCallback(() => {
const handleMouseUp = useCallback((e: React.MouseEvent) => {
setIsPanning(false);
const canvasPos = screenToCanvas(e.clientX, e.clientY);
onCanvasMouseUp?.(canvasPos, e);
}, [screenToCanvas, onCanvasMouseUp]);
/**
* Handles mouse leave to stop panning
* 处理鼠标离开停止平移
*/
const handleMouseLeave = useCallback(() => {
setIsPanning(false);
}, []);
@@ -276,7 +310,7 @@ export const GraphCanvas: React.FC<GraphCanvasProps> = ({
onMouseDown={handleMouseDown}
onMouseMove={handleMouseMove}
onMouseUp={handleMouseUp}
onMouseLeave={handleMouseUp}
onMouseLeave={handleMouseLeave}
onClick={handleClick}
onContextMenu={handleContextMenu}
>

View File

@@ -80,6 +80,16 @@ interface ConnectionDragState {
isValid?: boolean;
}
/**
* Box selection state
* 框选状态
*/
interface BoxSelectState {
startPos: Position;
currentPos: Position;
additive: boolean;
}
/**
* NodeEditor - Complete node graph editor component
* NodeEditor - 完整的节点图编辑器组件
@@ -126,6 +136,11 @@ export const NodeEditor: React.FC<NodeEditorProps> = ({
const [dragState, setDragState] = useState<DragState | null>(null);
const [connectionDrag, setConnectionDrag] = useState<ConnectionDragState | null>(null);
const [hoveredPin, setHoveredPin] = useState<Pin | null>(null);
const [boxSelectState, setBoxSelectState] = useState<BoxSelectState | null>(null);
// Track if box selection just ended to prevent click from clearing selection
// 跟踪框选是否刚刚结束,以防止 click 清除选择
const boxSelectJustEndedRef = useRef(false);
// Force re-render after mount to ensure connections are drawn correctly
// 挂载后强制重渲染以确保连接线正确绘制
@@ -477,6 +492,12 @@ export const NodeEditor: React.FC<NodeEditorProps> = ({
* 处理画布点击取消选择
*/
const handleCanvasClick = useCallback((_position: Position, _e: React.MouseEvent) => {
// Skip if box selection just ended (click fires after mouseup)
// 如果框选刚刚结束则跳过click 在 mouseup 之后触发)
if (boxSelectJustEndedRef.current) {
boxSelectJustEndedRef.current = false;
return;
}
if (!readOnly) {
onSelectionChange?.(new Set(), new Set());
}
@@ -490,6 +511,79 @@ export const NodeEditor: React.FC<NodeEditorProps> = ({
onCanvasContextMenu?.(position, e);
}, [onCanvasContextMenu]);
/**
* Handles box selection start
* 处理框选开始
*/
const handleBoxSelectStart = useCallback((position: Position, e: React.MouseEvent) => {
if (readOnly) return;
setBoxSelectState({
startPos: position,
currentPos: position,
additive: e.ctrlKey || e.metaKey
});
}, [readOnly]);
/**
* Handles box selection move
* 处理框选移动
*/
const handleBoxSelectMove = useCallback((position: Position) => {
if (boxSelectState) {
setBoxSelectState(prev => prev ? { ...prev, currentPos: position } : null);
}
}, [boxSelectState]);
/**
* Handles box selection end
* 处理框选结束
*/
const handleBoxSelectEnd = useCallback(() => {
if (!boxSelectState) return;
const { startPos, currentPos, additive } = boxSelectState;
// Calculate selection box bounds
const minX = Math.min(startPos.x, currentPos.x);
const maxX = Math.max(startPos.x, currentPos.x);
const minY = Math.min(startPos.y, currentPos.y);
const maxY = Math.max(startPos.y, currentPos.y);
// Find nodes within the selection box
const nodesInBox: string[] = [];
const nodeWidth = 200; // Approximate node width
const nodeHeight = 100; // Approximate node height
for (const node of graph.nodes) {
const nodeLeft = node.position.x;
const nodeTop = node.position.y;
const nodeRight = nodeLeft + nodeWidth;
const nodeBottom = nodeTop + nodeHeight;
// Check if node intersects with selection box
const intersects = !(nodeRight < minX || nodeLeft > maxX || nodeBottom < minY || nodeTop > maxY);
if (intersects) {
nodesInBox.push(node.id);
}
}
// Update selection
if (additive) {
// Add to existing selection
const newSelection = new Set(selectedNodeIds);
nodesInBox.forEach(id => newSelection.add(id));
onSelectionChange?.(newSelection, new Set());
} else {
// Replace selection
onSelectionChange?.(new Set(nodesInBox), new Set());
}
// Mark that box selection just ended to prevent click from clearing selection
// 标记框选刚刚结束,以防止 click 清除选择
boxSelectJustEndedRef.current = true;
setBoxSelectState(null);
}, [boxSelectState, graph.nodes, selectedNodeIds, onSelectionChange]);
/**
* Handles pin value change
* 处理引脚值变化
@@ -546,6 +640,9 @@ export const NodeEditor: React.FC<NodeEditorProps> = ({
onContextMenu={handleCanvasContextMenu}
onPanChange={handlePanChange}
onZoomChange={handleZoomChange}
onMouseDown={handleBoxSelectStart}
onCanvasMouseMove={handleBoxSelectMove}
onCanvasMouseUp={handleBoxSelectEnd}
>
{/* Connection layer (连接层) */}
<ConnectionLayer
@@ -580,6 +677,19 @@ export const NodeEditor: React.FC<NodeEditorProps> = ({
onToggleCollapse={handleToggleCollapse}
/>
))}
{/* Box selection overlay (框选覆盖层) */}
{boxSelectState && (
<div
className="ne-selection-box"
style={{
left: Math.min(boxSelectState.startPos.x, boxSelectState.currentPos.x),
top: Math.min(boxSelectState.startPos.y, boxSelectState.currentPos.y),
width: Math.abs(boxSelectState.currentPos.x - boxSelectState.startPos.x),
height: Math.abs(boxSelectState.currentPos.y - boxSelectState.startPos.y)
}}
/>
)}
</GraphCanvas>
</div>
);

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@@ -64,6 +64,8 @@ export const GraphNodeComponent: React.FC<GraphNodeComponentProps> = ({
return draggingFromPin.canConnectTo(pin);
}, [draggingFromPin]);
const hasError = Boolean(node.data.invalidVariable);
const classNames = useMemo(() => {
const classes = ['ne-node'];
if (isSelected) classes.push('selected');
@@ -71,8 +73,9 @@ export const GraphNodeComponent: React.FC<GraphNodeComponentProps> = ({
if (node.isCollapsed) classes.push('collapsed');
if (node.category === 'comment') classes.push('comment');
if (executionState !== 'idle') classes.push(executionState);
if (hasError) classes.push('has-error');
return classes.join(' ');
}, [isSelected, isDragging, node.isCollapsed, node.category, executionState]);
}, [isSelected, isDragging, node.isCollapsed, node.category, executionState, hasError]);
const handleMouseDown = useCallback((e: React.MouseEvent) => {
if (e.button !== 0) return;
@@ -102,8 +105,10 @@ export const GraphNodeComponent: React.FC<GraphNodeComponentProps> = ({
: undefined;
// Separate exec pins from data pins
// Also filter out pins listed in data.hiddenInputs
const hiddenInputs = (node.data.hiddenInputs as string[]) || [];
const inputExecPins = node.inputPins.filter(p => p.isExec && !p.hidden);
const inputDataPins = node.inputPins.filter(p => !p.isExec && !p.hidden);
const inputDataPins = node.inputPins.filter(p => !p.isExec && !p.hidden && !hiddenInputs.includes(p.name));
const outputExecPins = node.outputPins.filter(p => p.isExec && !p.hidden);
const outputDataPins = node.outputPins.filter(p => !p.isExec && !p.hidden);
@@ -129,13 +134,17 @@ export const GraphNodeComponent: React.FC<GraphNodeComponentProps> = ({
className={`ne-node-header ${node.category}`}
style={headerStyle}
>
{/* Diamond icon for event nodes, or custom icon */}
{/* Warning icon for invalid nodes, or diamond/custom icon */}
<span className="ne-node-header-icon">
{node.icon && renderIcon ? renderIcon(node.icon) : null}
{hasError ? (
<span className="ne-node-warning-icon" title={`Variable '${node.data.variableName}' not found`}></span>
) : (
node.icon && renderIcon ? renderIcon(node.icon) : null
)}
</span>
<span className="ne-node-header-title">
{node.title}
{(node.data.displayTitle as string) || node.title}
{node.subtitle && (
<span className="ne-node-header-subtitle">
{node.subtitle}

View File

@@ -38,6 +38,24 @@
z-index: var(--ne-z-dragging);
}
/* Error state for invalid variable references */
.ne-node.has-error {
border-color: #e74c3c;
box-shadow: 0 0 0 1px #e74c3c,
0 0 12px rgba(231, 76, 60, 0.4),
0 4px 8px rgba(0, 0, 0, 0.4);
}
.ne-node.has-error .ne-node-header {
background: linear-gradient(180deg, #c0392b 0%, #962d22 100%) !important;
}
.ne-node-warning-icon {
color: #f1c40f;
font-size: 14px;
filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5));
}
/* ==================== Node Header 节点头部 ==================== */
.ne-node-header {
display: flex;