Files
MemoryBear/web/src/views/Workflow/components/PortClickHandler.tsx
2026-04-28 17:37:59 +08:00

339 lines
14 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);
};
}, []);
const handleNodeSelect = (selectedNodeType: any) => {
if (!sourceNode || !graph) return;
const sourceNodeData = sourceNode.getData();
const sourceNodeType = sourceNodeData?.type;
const isCycleSubNode = !!sourceNodeData.cycle;
const isCycleContainer = (type: string) => type === 'loop' || type === 'iteration';
const newNodeType = selectedNodeType.type;
// Save add-node placeholder position before disabling history
let addNodePosition = null;
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) addNodePosition = addNodes[0].getBBox();
}
// Calculate position
const sourceBBox = sourceNode.getBBox();
const nw = graphNodeLibrary[newNodeType]?.width || 120;
const nh = graphNodeLibrary[newNodeType]?.height || 88;
const hSpacing = isCycleSubNode ? 48 : 80;
const vSpacing = 10;
const sourcePortInfo = sourceNode.getPorts().find((p: any) => p.id === sourcePort);
const sourcePortGroup = sourcePortInfo?.group || sourcePort;
let newX: number, newY: number;
if (edgeInsertion) {
const targetBBox = edgeInsertion.targetCell.getBBox();
const gap = targetBBox.x - (sourceBBox.x + sourceBBox.width);
const requiredSpace = nw + hSpacing * 4;
newX = sourceBBox.x + sourceBBox.width + hSpacing;
newY = targetBBox.y + (targetBBox.height - nh) / 2;
if (gap < requiredSpace) {
const shiftX = requiredSpace - gap;
const visited = new Set<string>();
const shiftDownstream = (cell: any) => {
if (visited.has(cell.id)) return;
visited.add(cell.id);
const pos = cell.getPosition();
cell.setPosition(pos.x + shiftX, pos.y);
graph.getConnectedEdges(cell, { outgoing: true }).forEach((e: any) => {
const tCell = graph.getCellById(e.getTargetCellId());
if (tCell?.isNode()) shiftDownstream(tCell);
});
};
shiftDownstream(edgeInsertion.targetCell);
}
} else if (addNodePosition) {
newX = addNodePosition.x;
newY = addNodePosition.y;
} else if (sourcePortGroup === 'left') {
newX = sourceBBox.x - nw * 2 - hSpacing;
newY = sourceBBox.y;
} else {
newX = sourceBBox.x + sourceBBox.width + hSpacing;
newY = sourceBBox.y;
const connectedNodes = new Set<string>();
graph.getConnectedEdges(sourceNode).forEach((e: any) => {
[e.getSourceCellId(), e.getTargetCellId()].forEach((cid: string) => {
if (cid !== sourceNode.id) connectedNodes.add(cid);
});
});
const checkOverlap = (x: number, y: number) =>
graph.getNodes().some((n: any) => {
if (n.id === sourceNode.id || !connectedNodes.has(n.id)) return false;
const b = n.getBBox();
return !(x + nw < b.x || x > b.x + b.width || y + nh < b.y || y > b.y + b.height);
});
while (checkOverlap(newX, newY)) newY += nh + vSpacing;
}
// Disable history for all graph mutations
graph.disableHistory();
// Remove add-node placeholder
if (isCycleSubNode && sourceNodeType === 'cycle-start') {
const cycleId = sourceNodeData.cycle;
graph.getNodes()
.filter((n: any) => n.getData()?.type === 'add-node' && n.getData()?.cycle === cycleId)
.forEach((n: any) => n.remove());
}
const id = `${newNodeType.replace(/-/g, '_')}_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
const newNode = graph.addNode({
...(graphNodeLibrary[newNodeType] || graphNodeLibrary.default),
x: newX,
y: newY - (isCycleSubNode && sourceNodeType === 'cycle-start' ? 12 : 0),
id,
data: {
id,
type: newNodeType,
icon: selectedNodeType.icon,
name: t(`workflow.${newNodeType}`),
cycle: sourceNodeData.cycle,
config: selectedNodeType.config || {}
},
});
if (sourceNodeData.cycle) {
const parentNode = graph.getNodes().find((n: any) => n.getData()?.id === sourceNodeData.cycle);
if (parentNode) parentNode.addChild(newNode, { silent: true });
}
if (edgeInsertion) {
const { edge: oldEdge } = edgeInsertion;
if (oldEdge.id && graph.getCellById(oldEdge.id)) graph.removeCell(oldEdge.id);
else graph.removeEdge(oldEdge);
}
const newPorts = newNode.getPorts();
const addedCells: any[] = [newNode];
if (edgeInsertion) {
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';
addedCells.push(graph.addEdge({ source: { cell: sourceNode.id, port: sourcePort }, target: { cell: newNode.id, port: newLeftPort }, ...edgeAttrs }));
addedCells.push(graph.addEdge({ source: { cell: newNode.id, port: newRightPort }, target: { cell: targetCell.id, port: origTargetPort }, ...edgeAttrs }));
setEdgeInsertion(null);
} else if (sourcePortGroup === 'left') {
const tp = newPorts.find((p: any) => p.group === 'right')?.id || 'right';
addedCells.push(graph.addEdge({ source: { cell: newNode.id, port: tp }, target: { cell: sourceNode.id, port: sourcePort }, ...edgeAttrs }));
} else {
const tp = newPorts.find((p: any) => p.group === 'left')?.id || 'left';
addedCells.push(graph.addEdge({ source: { cell: sourceNode.id, port: sourcePort }, target: { cell: newNode.id, port: tp }, ...edgeAttrs }));
}
// If adding a loop/iteration node, create cycle-start, add-node and inner edge regardless of source type
if (isCycleContainer(newNodeType)) {
const parentBBox = newNode.getBBox();
const cycleStartId = `cycle_start_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
const cycleStartNode = graph.addNode({
...graphNodeLibrary.cycleStart,
x: parentBBox.x + 24,
y: parentBBox.y + 70,
id: cycleStartId,
data: { id: cycleStartId, type: 'cycle-start', parentId: id, isDefault: true, cycle: id },
});
const addNodePlaceholder = graph.addNode({
...graphNodeLibrary.addStart,
x: parentBBox.x + 24 + 84,
y: parentBBox.y + 70 + 4,
data: { type: 'add-node', label: t('workflow.addNode'), icon: '+', parentId: id, cycle: id },
});
newNode.addChild(cycleStartNode, { silent: true });
newNode.addChild(addNodePlaceholder, { silent: true });
const innerEdge = graph.addEdge({
source: { cell: cycleStartNode.id, port: cycleStartNode.getPorts().find((p: any) => p.group === 'right')?.id || 'right' },
target: { cell: addNodePlaceholder.id, port: addNodePlaceholder.getPorts().find((p: any) => p.group === 'left')?.id || 'left' },
...edgeAttrs,
});
addedCells.push(cycleStartNode, addNodePlaceholder, innerEdge);
}
// Adjust parent size if adding inside a cycle container
const cycleId = sourceNodeData.cycle;
if (cycleId) {
const parentNode = graph.getNodes().find((n: any) => n.getData()?.id === cycleId);
if (parentNode) {
const childNodes = graph.getNodes().filter((n: any) => n.getData()?.cycle === cycleId);
if (childNodes.length > 0) {
const bounds = childNodes.reduce((acc: any, child: any) => {
const b = child.getBBox();
return { minX: Math.min(acc.minX, b.x), minY: Math.min(acc.minY, b.y), maxX: Math.max(acc.maxX, b.x + b.width), maxY: Math.max(acc.maxY, b.y + b.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 });
parentNode.getPorts().forEach((port: any) => {
if (port.group === 'right' && port.args) parentNode.portProp(port.id!, 'args/x', newWidth);
});
}
}
}
// toFront
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)) {
newNode.toFront(); sourceNode.toFront(); bringCycleChildrenToFront(sourceNodeData.id);
if (isCycleContainer(newNodeType)) bringCycleChildrenToFront(id);
} else if (isCycleContainer(newNodeType)) {
newNode.toFront(); sourceNode.toFront(); bringCycleChildrenToFront(id);
} else {
addedCells.forEach(c => { if (c.isNode?.()) c.toFront(); });
}
// Re-enable history and manually push one batch frame for all added cells
graph.enableHistory();
const history = graph.getPlugin('history') as any;
if (history) {
const batchFrame = addedCells.map((cell: any) => ({
batch: true,
event: 'cell:added',
data: { id: cell.id, node: cell.isNode(), edge: cell.isEdge(), props: cell.toJSON() },
options: {},
}));
history.undoStack.push(batchFrame);
history.redoStack = [];
graph.trigger('history:change', { cmds: batchFrame, options: { name: 'add-node' } });
}
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-75 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;