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mirror of https://github.com/ellmau/adf-obdd.git synced 2025-12-20 09:39:38 +01:00
2023-03-24 13:22:59 +01:00

375 lines
10 KiB
TypeScript

import React, { useEffect, useRef } from 'react';
import G6 from '@antv/g6';
G6.registerNode('nodeWithFlag', {
draw(cfg, group) {
const mainWidth = Math.max(30, 5 * cfg.mainLabel.length + 10);
const mainHeight = 30;
const keyShape = group.addShape('rect', {
attrs: {
width: mainWidth,
height: mainHeight,
radius: 2,
fill: 'white',
stroke: 'black',
cursor: 'pointer',
},
name: 'rectMainLabel',
draggable: true,
});
group.addShape('text', {
attrs: {
x: mainWidth / 2,
y: mainHeight / 2,
textAlign: 'center',
textBaseline: 'middle',
text: cfg.mainLabel,
fill: '#212121',
fontFamily: 'Roboto',
cursor: 'pointer',
},
// must be assigned in G6 3.3 and later versions. it can be any value you want
name: 'textMailLabel',
// allow the shape to response the drag events
draggable: true,
});
if (cfg.subLabel) {
const subWidth = 5 * cfg.subLabel.length + 4;
const subHeight = 20;
const subRectX = mainWidth - 4;
const subRectY = -subHeight + 4;
group.addShape('rect', {
attrs: {
x: subRectX,
y: subRectY,
width: subWidth,
height: subHeight,
radius: 1,
fill: '#4caf50',
stroke: '#1b5e20',
cursor: 'pointer',
},
name: 'rectMainLabel',
draggable: true,
});
group.addShape('text', {
attrs: {
x: subRectX + subWidth / 2,
y: subRectY + subHeight / 2,
textAlign: 'center',
textBaseline: 'middle',
text: cfg.subLabel,
fill: '#212121',
fontFamily: 'Roboto',
fontSize: 10,
cursor: 'pointer',
},
// must be assigned in G6 3.3 and later versions. it can be any value you want
name: 'textMailLabel',
// allow the shape to response the drag events
draggable: true,
});
}
return keyShape;
},
getAnchorPoints() {
return [[0.5, 0], [0, 0.5], [1, 0.5], [0.5, 1]];
},
// nodeStateStyles: {
// hover: {
// fill: 'lightsteelblue',
// },
// highlight: {
// lineWidth: 3,
// },
// lowlight: {
// opacity: 0.3,
// },
// },
setState(name, value, item) {
const group = item.getContainer();
const mainShape = group.get('children')[0]; // Find the first graphics shape of the node. It is determined by the order of being added
const subShape = group.get('children')[2];
if (name === 'hover') {
if (value) {
mainShape.attr('fill', 'lightsteelblue');
} else {
mainShape.attr('fill', 'white');
}
}
if (name === 'highlight') {
if (value) {
mainShape.attr('lineWidth', 3);
} else {
mainShape.attr('lineWidth', 1);
}
}
if (name === 'lowlight') {
if (value) {
mainShape.attr('opacity', 0.3);
if (subShape) {
subShape.attr('opacity', 0.3);
}
} else {
mainShape.attr('opacity', 1);
if (subShape) {
subShape.attr('opacity', 1);
}
}
}
},
});
interface GraphProps {
lo_edges: [number, number][],
hi_edges: [number, number][],
node_labels: { [key: number]: string },
tree_root_labels: { [key: number]: string[] },
}
function nodesAndEdgesFromGraphProps(graphProps: GraphProps) {
const nodes = Object.keys(graphProps.node_labels).map((id) => {
const mainLabel = graphProps.node_labels[id];
const subLabel = graphProps.tree_root_labels[id].length > 0 ? `Root for: ${graphProps.tree_root_labels[id].join(' ; ')}` : undefined;
// const label = subLabel.length > 0 ? `${mainLabel}\n${subLabel}` : mainLabel;
return {
id: id.toString(),
mainLabel,
subLabel,
// style: {
// height: subLabel.length > 0 ? 60 : 30,
// width: Math.max(30, 5 * mainLabel.length + 10, 5 * subLabel.length + 10),
// },
};
});
const edges = graphProps.lo_edges.map(([source, target]) => ({
id: `LO_${source}_${target}`, source: source.toString(), target: target.toString(), style: { stroke: '#ed6c02', lineWidth: 2 },
}))
.concat(graphProps.hi_edges.map(([source, target]) => ({
id: `HI_${source}_${target}`, source: source.toString(), target: target.toString(), style: { stroke: '#1976d2', lineWidth: 2 },
})));
return { nodes, edges };
}
interface Props {
graph: GraphProps,
}
function GraphG6(props: Props) {
const { graph: graphProps } = props;
const ref = useRef(null);
const graphRef = useRef();
useEffect(
() => {
if (!graphRef.current) {
graphRef.current = new G6.Graph({
container: ref.current,
width: 1200,
height: 600,
fitView: true,
rankdir: 'TB',
align: 'DR',
nodesep: 100,
ranksep: 100,
modes: {
default: ['drag-canvas', 'zoom-canvas', 'drag-node'],
},
layout: { type: 'dagre' },
// defaultNode: {
// anchorPoints: [[0.5, 0], [0, 0.5], [1, 0.5], [0.5, 1]],
// type: 'rect',
// style: {
// radius: 2,
// },
// labelCfg: {
// style: {
/// / fontWeight: 700,
// fontFamily: 'Roboto',
// },
// },
// },
defaultNode: { type: 'nodeWithFlag' },
defaultEdge: {
style: {
endArrow: true,
},
},
// nodeStateStyles: {
// hover: {
// fill: 'lightsteelblue',
// },
// highlight: {
// lineWidth: 3,
// },
// lowlight: {
// opacity: 0.3,
// },
// },
edgeStateStyles: {
lowlight: {
opacity: 0.3,
},
},
animate: true,
animateCfg: {
duration: 500,
easing: 'easePolyInOut',
},
});
}
const graph = graphRef.current;
// Mouse enter a node
graph.on('node:mouseenter', (e) => {
const nodeItem = e.item; // Get the target item
graph.setItemState(nodeItem, 'hover', true); // Set the state 'hover' of the item to be true
});
// Mouse leave a node
graph.on('node:mouseleave', (e) => {
const nodeItem = e.item; // Get the target item
graph.setItemState(nodeItem, 'hover', false); // Set the state 'hover' of the item to be false
});
},
[],
);
useEffect(
() => {
const graph = graphRef.current;
// Click a node
graph.on('node:click', (e) => {
const nodeItem = e.item; // et the clicked item
let onlyRemoveStates = false;
if (nodeItem.hasState('highlight')) {
onlyRemoveStates = true;
}
const clickNodes = graph.findAllByState('node', 'highlight');
clickNodes.forEach((cn) => {
graph.setItemState(cn, 'highlight', false);
});
const lowlightNodes = graph.findAllByState('node', 'lowlight');
lowlightNodes.forEach((cn) => {
graph.setItemState(cn, 'lowlight', false);
});
const lowlightEdges = graph.findAllByState('edge', 'lowlight');
lowlightEdges.forEach((cn) => {
graph.setItemState(cn, 'lowlight', false);
});
if (onlyRemoveStates) {
return;
}
graph.getNodes().forEach((node) => {
graph.setItemState(node, 'lowlight', true);
});
graph.getEdges().forEach((edge) => {
graph.setItemState(edge, 'lowlight', true);
});
const relevantNodeIds = [];
const relevantLoEdges = [];
const relevantHiEdges = [];
let newNodeIds = [nodeItem.getModel().id];
let newLoEdges = [];
let newHiEdges = [];
while (newNodeIds.length > 0 || newLoEdges.length > 0 || newHiEdges.length > 0) {
relevantNodeIds.push(...newNodeIds);
relevantLoEdges.push(...newLoEdges);
relevantHiEdges.push(...newHiEdges);
newLoEdges = graphProps.lo_edges
.filter((edge) => relevantNodeIds.includes(edge[0].toString())
&& !relevantLoEdges.includes(edge));
newHiEdges = graphProps.hi_edges
.filter((edge) => relevantNodeIds.includes(edge[0].toString())
&& !relevantHiEdges.includes(edge));
newNodeIds = newLoEdges
.concat(newHiEdges)
.map((edge) => edge[1].toString())
.filter((id) => !relevantNodeIds.includes(id));
}
const relevantEdgeIds = relevantLoEdges
.map(([source, target]) => `LO_${source}_${target}`)
.concat(
relevantHiEdges
.map(([source, target]) => `HI_${source}_${target}`),
);
relevantNodeIds
.forEach((id) => {
graph.setItemState(id, 'lowlight', false);
graph.setItemState(id, 'highlight', true);
});
relevantEdgeIds
.forEach((id) => {
graph.setItemState(id, 'lowlight', false);
});
// graph.setItemState(nodeItem, 'lowlight', false);
// graph.setItemState(nodeItem, 'highlight', true);
// nodeItem.getEdges().forEach((edge) => {
// graph.setItemState(edge, 'lowlight', false);
// });
});
return () => { graph.off('node:click'); };
},
[graphProps],
);
useEffect(
() => {
const graph = graphRef.current;
const { nodes, edges } = nodesAndEdgesFromGraphProps(graphProps);
graph.changeData({
nodes,
edges,
});
},
[graphProps],
);
return (
<>
<div ref={ref} style={{ overflow: 'hidden' }} />
<div style={{ padding: 4 }}>
<span style={{ color: '#ed6c02', marginRight: 8 }}>lo edge (condition is false)</span>
{' '}
<span style={{ color: '#1976d2' }}>hi edge (condition is true)</span>
</div>
</>
);
}
export default GraphG6;