Files
MemoryBear/web/src/views/Workflow/components/PortClickHandler.tsx
2026-04-09 16:14:24 +08:00

394 lines
15 KiB
TypeScript

/*
* @Author: ZhaoYing
* @Date: 2026-02-09 18:30:28
* @Last Modified by: ZhaoYing
* @Last Modified time: 2026-03-30 15:14:02
*/
import { useEffect, useState } from 'react';
import { Flex, Popover } from 'antd';
import { useTranslation } from 'react-i18next';
import { nodeLibrary, graphNodeLibrary, edgeAttrs, nodeWidth } from '../constant';
interface PortClickHandlerProps {
graph: any;
}
const PortClickHandler: React.FC<PortClickHandlerProps> = ({ graph }) => {
const { t } = useTranslation();
const [popoverVisible, setPopoverVisible] = useState(false);
const [popoverPosition, setPopoverPosition] = useState({ x: 0, y: 0 });
const [sourceNode, setSourceNode] = useState<any>(null);
const [sourcePort, setSourcePort] = useState<string>('');
const [tempElement, setTempElement] = useState<HTMLElement | null>(null);
const [edgeInsertion, setEdgeInsertion] = useState<any>(null);
useEffect(() => {
const handlePortClick = (event: CustomEvent) => {
const { node, port, element, rect, edgeInsertion } = event.detail;
setSourceNode(node);
setSourcePort(port);
setTempElement(element);
setEdgeInsertion(edgeInsertion || null);
setPopoverPosition({ x: rect.left, y: rect.top });
setPopoverVisible(true);
};
window.addEventListener('port:click', handlePortClick as EventListener);
const handleBlankClick = () => handlePopoverClose();
window.addEventListener('blank:click', handleBlankClick);
return () => {
window.removeEventListener('port:click', handlePortClick as EventListener);
window.removeEventListener('blank:click', handleBlankClick);
};
}, []);
// Handle node selection from popover menu and create new node with edge connection
const handleNodeSelect = (selectedNodeType: any) => {
if (!sourceNode || !graph) return;
const sourceNodeData = sourceNode.getData();
const sourceNodeType = sourceNodeData?.type;
// If it's a cycle-start node, handle the add-node placeholder
let addNodePosition = null;
const isCycleSubNode = sourceNodeData.cycle
if (isCycleSubNode && sourceNodeType === 'cycle-start') {
const cycleId = sourceNodeData.cycle;
const addNodes = graph.getNodes().filter((n: any) =>
n.getData()?.type === 'add-node' && n.getData()?.cycle === cycleId
);
if (addNodes.length > 0) {
const addNode = addNodes[0];
addNodePosition = addNode.getBBox();
addNode.remove();
}
}
// Calculate new node position to avoid overlapping
const sourceBBox = sourceNode.getBBox();
const nodeWidth = graphNodeLibrary[selectedNodeType.type]?.width || 120;
const nodeHeight = graphNodeLibrary[selectedNodeType.type]?.height || 88;
const horizontalSpacing = isCycleSubNode ? 48 : 80;
const verticalSpacing = 10;
// Get source port group information
const sourcePortInfo = sourceNode.getPorts().find((p: any) => p.id === sourcePort);
const sourcePortGroup = sourcePortInfo?.group || sourcePort;
// Calculate new node position
let newX, newY;
if (edgeInsertion) {
// Edge insertion: place new node on the same row as target, between source and target
const targetBBox = edgeInsertion.targetCell.getBBox();
const gap = targetBBox.x - (sourceBBox.x + sourceBBox.width);
const requiredSpace = nodeWidth + horizontalSpacing * 4;
// New node x: right after source + spacing
newX = sourceBBox.x + sourceBBox.width + horizontalSpacing;
// Same row as target node
newY = targetBBox.y + (targetBBox.height - nodeHeight) / 2;
// If not enough space, shift target and all downstream nodes to the right
if (gap < requiredSpace) {
const shiftX = requiredSpace - gap;
const visited = new Set<string>();
const shiftDownstream = (cell: any) => {
const cellId = cell.id;
if (visited.has(cellId)) return;
visited.add(cellId);
const pos = cell.getPosition();
cell.setPosition(pos.x + shiftX, pos.y);
// Recursively shift nodes connected from right ports
graph.getConnectedEdges(cell, { outgoing: true }).forEach((e: any) => {
const tId = e.getTargetCellId();
if (tId && !visited.has(tId)) {
const tCell = graph.getCellById(tId);
if (tCell?.isNode()) shiftDownstream(tCell);
}
});
};
shiftDownstream(edgeInsertion.targetCell);
}
} else if (addNodePosition) {
newX = addNodePosition.x;
newY = addNodePosition.y;
} else {
// Determine node placement direction based on port position
if (sourcePortGroup === 'left') {
// Left port: add node to the left
newX = sourceBBox.x - nodeWidth*2 - horizontalSpacing;
newY = sourceBBox.y;
} else {
// Right port: add node to the right
newX = sourceBBox.x + sourceBBox.width + horizontalSpacing;
newY = sourceBBox.y;
}
// Check if position overlaps with existing nodes (only consider connected nodes)
const checkOverlap = (x: number, y: number) => {
// Get nodes connected to the source node
const connectedNodes = new Set();
graph.getConnectedEdges(sourceNode).forEach((edge: any) => {
const sourceId = edge.getSourceCellId();
const targetId = edge.getTargetCellId();
if (sourceId !== sourceNode.id) connectedNodes.add(sourceId);
if (targetId !== sourceNode.id) connectedNodes.add(targetId);
});
return graph.getNodes().some((node: any) => {
if (node.id === sourceNode.id) return false;
if (!connectedNodes.has(node.id)) return false; // Only consider connected nodes
const bbox = node.getBBox();
return !(x + nodeWidth < bbox.x || x > bbox.x + bbox.width ||
y + nodeHeight < bbox.y || y > bbox.y + bbox.height);
});
};
// If position is occupied, search downward for empty space
while (checkOverlap(newX, newY)) {
newY += nodeHeight + verticalSpacing;
}
}
// Create new node
const id = `${selectedNodeType.type.replace(/-/g, '_')}_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`
const newNode = graph.addNode({
...(graphNodeLibrary[selectedNodeType.type] || graphNodeLibrary.default),
x: newX,
y: newY - (isCycleSubNode && sourceNodeType === 'cycle-start' ? 12 : 0),
id,
data: {
id,
type: selectedNodeType.type,
icon: selectedNodeType.icon,
name: t(`workflow.${selectedNodeType.type}`),
cycle: sourceNodeData.cycle, // Inherit cycle from source node
config: selectedNodeType.config || {}
},
});
// Add new node as child of parent node
if (sourceNodeData.cycle) {
const parentNode = graph.getNodes().find((n: any) => n.getData()?.id === sourceNodeData.cycle);
if (parentNode) {
parentNode.addChild(newNode);
}
}
// Edge insertion: remove old edge immediately before creating new edges
if (edgeInsertion) {
const { edge: oldEdge } = edgeInsertion;
if (oldEdge.id && graph.getCellById(oldEdge.id)) {
graph.removeCell(oldEdge.id);
} else {
graph.removeEdge(oldEdge);
}
}
// Create edge connection
setTimeout(() => {
const newPorts = newNode.getPorts();
const addedEdges: any[] = [];
if (edgeInsertion) {
// Edge insertion: create source→new and new→target edges
const { targetCell, targetPort: origTargetPort } = edgeInsertion;
const newLeftPort = newPorts.find((p: any) => p.group === 'left')?.id || 'left';
const newRightPort = newPorts.find((p: any) => p.group === 'right')?.id || 'right';
addedEdges.push(graph.addEdge({
source: { cell: sourceNode.id, port: sourcePort },
target: { cell: newNode.id, port: newLeftPort },
...edgeAttrs
}));
addedEdges.push(graph.addEdge({
source: { cell: newNode.id, port: newRightPort },
target: { cell: targetCell.id, port: origTargetPort },
...edgeAttrs
}));
setEdgeInsertion(null);
} else if (sourcePortGroup === 'left') {
// Connect from left port to new node's right side
const targetPort = newPorts.find((port: any) => port.group === 'right')?.id || 'right';
addedEdges.push(graph.addEdge({
source: { cell: newNode.id, port: targetPort },
target: { cell: sourceNode.id, port: sourcePort },
...edgeAttrs
}));
} else {
// Connect from right port to new node's left side
const targetPort = newPorts.find((port: any) => port.group === 'left')?.id || 'left';
addedEdges.push(graph.addEdge({
source: { cell: sourceNode.id, port: sourcePort },
target: { cell: newNode.id, port: targetPort },
...edgeAttrs
}));
}
// Adjust loop node size when child node is added via port within loop node
const cycleId = sourceNodeData.cycle;
if (cycleId) {
const parentNode = graph.getNodes().find((n: any) => n.getData()?.id === cycleId);
if (parentNode) {
const adjustLoopSize = () => {
const childNodes = graph.getNodes().filter((n: any) => n.getData()?.cycle === cycleId);
if (childNodes.length > 0) {
const bounds = childNodes.reduce((acc: any, child: any) => {
const bbox = child.getBBox();
return {
minX: Math.min(acc.minX, bbox.x),
minY: Math.min(acc.minY, bbox.y),
maxX: Math.max(acc.maxX, bbox.x + bbox.width),
maxY: Math.max(acc.maxY, bbox.y + bbox.height)
};
}, { minX: Infinity, minY: Infinity, maxX: -Infinity, maxY: -Infinity });
const padding = 50;
const newWidth = Math.max(nodeWidth, bounds.maxX - bounds.minX + padding * 2);
const newHeight = Math.max(120, bounds.maxY - bounds.minY + padding * 2);
parentNode.prop('size', { width: newWidth, height: newHeight });
// Update right port x position
const ports = parentNode.getPorts();
ports.forEach((port: any) => {
if (port.group === 'right' && port.args) {
parentNode.portProp(port.id!, 'args/x', newWidth);
}
});
}
};
adjustLoopSize();
// Listen to child node movement events
const childNodes = graph.getNodes().filter((n: any) => n.getData()?.cycle === cycleId);
childNodes.forEach((childNode: any) => {
childNode.on('change:position', adjustLoopSize);
});
}
}
const isCycleContainer = (type: string) => type === 'loop' || type === 'iteration';
const newNodeType = selectedNodeType.type;
// Helper: bring all child nodes and their edges of a cycle container to front
const bringCycleChildrenToFront = (cycleContainerId: string) => {
graph.getEdges().forEach((e: any) => {
const src = graph.getCellById(e.getSourceCellId());
const tgt = graph.getCellById(e.getTargetCellId());
if (src?.getData()?.cycle === cycleContainerId || tgt?.getData()?.cycle === cycleContainerId) e.toFront();
});
graph.getNodes().forEach((n: any) => {
if (n.getData()?.cycle === cycleContainerId) n.toFront();
});
};
if (isCycleContainer(sourceNodeType)) {
console.log('isCycleContainer(sourceNodeType)')
// Case 4: source is a loop/iteration node — bring new node to front, then its children
newNode.toFront();
sourceNode.toFront();
bringCycleChildrenToFront(sourceNodeData.id);
} else if (isCycleContainer(newNodeType)) {
console.log('isCycleContainer(newNodeType)')
// Case 3: adding a loop/iteration node from a normal node — bring new node to front, then its children
newNode.toFront();
sourceNode.toFront()
bringCycleChildrenToFront(id);
} else {
// Case 2: normal node → normal node
addedEdges.forEach(e => {
const src = graph.getCellById(e.getSourceCellId());
const tgt = graph.getCellById(e.getTargetCellId());
if (src?.isNode()) src.toFront();
if (tgt?.isNode()) tgt.toFront();
});
}
}, 50);
// Clean up temporary element
if (tempElement) {
document.body.removeChild(tempElement);
setTempElement(null);
}
setPopoverVisible(false);
};
const handlePopoverClose = () => {
setPopoverVisible(false);
if (tempElement) {
document.body.removeChild(tempElement);
setTempElement(null);
}
};
const content = (
<Flex vertical gap={16} className="rb:max-h-[300px] rb:overflow-y-auto rb:p-3" style={{ minWidth: `${nodeWidth}px` }}>
{nodeLibrary.map((category) => {
const sourceNodeData = sourceNode?.getData();
const isChildOfLoop = sourceNodeData?.cycle && graph?.getNodes().find((n: any) => n.getData()?.id === sourceNodeData.cycle && n.getData()?.type === 'loop');
const isChildOfIteration = sourceNodeData?.cycle && graph?.getNodes().find((n: any) => n.getData()?.id === sourceNodeData.cycle && n.getData()?.type === 'iteration');
let filteredNodes;
if (isChildOfLoop || isChildOfIteration) {
filteredNodes = category.nodes.filter(nodeType => !['start', 'end', 'loop', 'cycle-start', 'iteration'].includes(nodeType.type));
} else {
filteredNodes = category.nodes.filter(nodeType =>
nodeType.type !== 'start' && nodeType.type !== 'cycle-start' && nodeType.type !== 'break'
);
}
if (filteredNodes.length === 0) return null;
return (
<div key={category.category}>
<div className="rb:font-semibold rb:mb-2 rb:text-[12px] rb:leading-4.5 rb:pl-1">
{t(`workflow.${category.category}`)}
</div>
<Flex gap={6} vertical>
{filteredNodes.map((nodeType) => (
<Flex
key={nodeType.type}
align="center"
gap={8}
className="rb:rounded-xl rb:p-2! rb:border rb:border-[#EBEBEB] rb:cursor-pointer rb:hover:border rb:hover:border-[#171719]!"
onClick={() => handleNodeSelect(nodeType)}
>
<div className={`rb:size-6 rb:bg-cover ${nodeType.icon}`} />
<span className="rb:font-medium rb:text-[12px] rb:leading-4">{t(`workflow.${nodeType.type}`)}</span>
</Flex>
))}
</Flex>
</div>
);
})}
</Flex>
);
if (!tempElement) return null;
return (
<Popover
content={content}
open={popoverVisible}
onOpenChange={(visible) => {
if (!visible) handlePopoverClose();
}}
placement="right"
overlayStyle={{
position: 'fixed',
left: popoverPosition.x + 10,
top: popoverPosition.y - 10,
}}
>
<div />
</Popover>
);
};
export default PortClickHandler;