Files
bflows-bandi-fe/src/components/FlowBuilder/index.js
2025-01-03 08:50:23 +01:00

132 lines
4.3 KiB
JavaScript

import React, { useEffect, useState } from 'react';
import {
ReactFlow,
Background
} from '@xyflow/react';
import { isEmpty } from 'ramda';
import '@xyflow/react/dist/style.css';
// store
import { useStore, storeSet } from '../../store';
// nodes
import NodeInitialForm from './components/NodeInitialForm';
import NodeIntermediateForm from './components/NodeIntermediateForm';
const nodeTypes = {
initialForm: NodeInitialForm,
intermediateForm: NodeIntermediateForm
};
const FlowBuilder = ({ initialForm = 0, finalForm = 0, mainField = '' }) => {
const flowForms = useStore().main.flowForms();
const [nodes, setNodes] = useState([]);
const [edges, setEdges] = useState([]);
const range = (start, stop, step) => {
return Array.from(
{ length: (stop - start) / step + 1 },
(_, i) => start + i * step
);
}
useEffect(() => {
if (
(flowForms.length === 2 && initialForm) ||
(flowForms.length > 2 && initialForm && finalForm)
) {
const total = (flowForms.length - 2) * (200 - 90);
let coordinates = range(total * -1, total, 200);
const initialNodes = flowForms.map(o => {
const formId = String(o.id);
let obj;
if (formId === String(initialForm)) {
obj = {
id: formId,
type: 'initialForm',
data: { label: o.label, id: formId },
position: { x: 0, y: 0 },
}
} else if (formId === String(finalForm)) {
obj = {
id: formId,
type: 'output',
data: { label: o.label, id: formId },
position: { x: 0, y: flowForms.length === 2 ? 150 : 300 },
}
} else {
const x = coordinates.splice(0, 1);
obj = {
id: formId,
type: 'intermediateForm',
data: { label: o.label, id: formId },
position: { x, y: 150 },
}
}
return obj
});
let edges = [];
// eslint-disable-next-line
flowForms.map(o => {
const formId = String(o.id);
if (formId !== String(initialForm) && formId !== String(finalForm)) {
edges.push({
id: `${initialForm}->${formId}`,
source: String(initialForm),
target: formId,
type: 'smoothstep'
});
}
if (formId !== String(initialForm) && formId !== String(finalForm) && String(finalForm) !== '0') {
edges.push({
id: `${formId}->${finalForm}`,
source: formId,
target: String(finalForm),
type: 'smoothstep'
});
}
});
if (flowForms.length === 2 && initialForm && finalForm) {
edges.push({
id: `${initialForm}->${finalForm}`,
source: String(initialForm),
target: String(finalForm),
type: 'smoothstep'
});
}
setNodes(initialNodes);
setEdges(edges);
storeSet.main.flowEdges(edges);
} else {
setNodes([]);
setEdges([]);
}
}, [initialForm, finalForm, flowForms, mainField]);
return (
!isEmpty(nodes) && !isEmpty(edges)
? <div className="flowBuilder__wrapper">
<ReactFlow
nodes={nodes}
edges={edges}
nodesDraggable={false}
nodesConnectable={false}
fitView
nodeTypes={nodeTypes}
attributionPosition="top-right"
>
<Background variant="dots" gap={12} size={1}/>
</ReactFlow>
</div>
: null
);
}
export default FlowBuilder;