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import React, { useEffect, useState } from "react"
import { observer } from "mobx-react-lite"
import { ViewStyle } from "react-native"
import { Screen, Text } from "../../components"
// import { useNavigation } from "@react-navigation/native"
// import { useStores } from "../../models"
import { color } from "../../theme"
import { Graph } from "../../components"
import { Tweaks } from "../../components"
import genRandomTree from "../../data/randomdata"
import AsyncStorage from "@react-native-async-storage/async-storage"
import axios from "axios";
import rando from "../../data/rando.json"
const ROOT: ViewStyle = {
backgroundColor: color.palette.black,
flex: 1,
}
export const GraphScreen = observer(function GraphScreen() {
// Pull in one of our MST stores
// const { someStore, anotherStore } = useStores()
// Pull in navigation via hook
// const navigation = useNavigation()
const [physics, setPhysics] = useState({})
const [graphData, setGraphData] = useState();
const [nodeIds, setNodeIds] = useState([]);
// { "nodes": [{ "id": 1 }, { "id": 2 }], "links": [{ "target": 1, "source": 2 }] });
const physicsInit = {
charge: -350,
collision: true,
linkStrength: .1,
linkIts: 1,
collapse: false,
threedim: false,
particles: 2,
linkOpacity: 1,
linkWidth: 1,
particleWidth: 4,
nodeRel: 4,
labels: true,
labelScale: 1.5,
alphaDecay: 0.16,
alphaTarget: 0.01,
velocityDecay: 0.25,
gravity: 0.5,
gravityOn: true,
hover: true,
colorful: true,
}
const getData = async () => {
try {
const value: string = await AsyncStorage.getItem("@physics");
if (value !== null) {
const valueJson = JSON.parse(value);
if (Object.keys(valueJson).length === Object.keys(physicsInit).length) {
return valueJson;
} else { return physicsInit };
} else {
return physicsInit
}
} catch (e) {
console.log(e)
}
}
const storeData = async (value) => {
try {
const jsonValue = JSON.stringify(value)
await AsyncStorage.mergeItem("@physics", jsonValue)
} catch (e) {
console.log(e)
}
}
// hook to save the current configuration of the physics tweaks
// after it is updated
useEffect(() => {
if (timer) {
clearTimeout(timer)
}
// set timer so the thing doesn't run every single slider tick
const timer = setTimeout(() => {
storeData(physics)
const test = getData()
}, 1000)
return () => clearTimeout(timer)
}, [physics]);
//"ComponentOnMount"
// Get previous settings and the data from the org-roam-server
const sanitizeGraph = (data, nodeIds: string[]) => {
const cleanLinks = [];
data.links.forEach((link) => {
let target;
let source;
for (let i = 0; i < nodeIds.length; i++) {
let a = data.nodes[i];
!a.neighbors && (a.neighbors = []);
!a.links && (a.links = []);
if (link.target === nodeIds[i]) {
//let a = data.nodes[i];
//!a.neighbors && (a.neighbors = []);
//a.neighbors.push(a);
a.links.push(link);
target=[a, i];
cleanLinks.push(link);
} else if (link.source === nodeIds[i]) {
//let a = data.nodes[i];
//!a.neighbors && (a.neighbors = []);
//a.neighbors.push(a);
a.links.push(link);
source=[a, i];
};
};
if (target && source) {
data.nodes[target[1]].neighbors.push(source[0]);
data.nodes[source[1]].neighbors.push(target[0]);
}
});
console.log(cleanLinks);
data.links = cleanLinks;
return data;
};
const getNodesById = (data) => {
let temp = [];
data.nodes.forEach(node => temp.push(node.id));
setNodeIds(temp);
return temp;
};
useEffect(() => {
getData().then((data) => setPhysics(data));
axios.get("http://localhost:35901/graph")
.then((dataa) => {
let nods = getNodesById(dataa.data);
setNodeIds(nods);
console.log(nodeIds);
let cleanData = sanitizeGraph(dataa.data, nods);
console.log(cleanData)
setGraphData(cleanData);
})
.catch((e) => {
console.log(e);
console.log("Couldn't get data.");
//setGraphData(rando);
});
}, [])
if (!graphData) { return null }
else {
return (
<Screen style={ROOT} preset="scroll">
<Tweaks physics={physics} setPhysics={setPhysics} />
<Graph physics={physics} gData={graphData} nodeIds={nodeIds} />
</Screen>
)
}
})
|
