import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import ReactDOM from 'react-dom/client';
import React, { useRef, useState } from 'react';
import * as wjCore from '@mescius/wijmo';
import * as wjChart from '@mescius/wijmo.react.chart';
import './app.css';
import { getData } from './data';
const wjSelected = 'wj-state-selected';
function App() {
const [series1] = useState(getData(50, 0, 3));
const [series2] = useState(getData(40, 100, 12));
const [series3] = useState(getData(30, -100, 24));
const renderedRef = useRef(false);
const selectionsRef = useRef([]);
const mouseDownRef = useRef(false);
const startRef = useRef(null);
const endRef = useRef(null);
const selectorRef = useRef(null);
const offsetRef = useRef(null);
const mousePtRef = useRef(null);
const isTouchRef = useRef(false);
const itemsRef = useRef([]);
const chartRef = useRef(null);
const chartInitialized = (sender) => {
chartRef.current = sender;
};
const chartRendered = (sender) => {
if (!renderedRef.current) {
sender.hostElement.addEventListener('mousedown', $_chartMouseDown);
sender.hostElement.addEventListener('mousemove', $_chartMouseMove);
sender.hostElement.addEventListener('mouseup', $_chartMouseUp);
sender.hostElement.addEventListener('mouseleave', $_chartMouseLeave);
sender.hostElement.addEventListener('click', $_chartClick);
window.addEventListener('touchstart', () => isTouchRef.current = true, false);
//
// boolean flag - don't re-add event listener after resize
renderedRef.current = true;
//
selectorRef.current = document.querySelector('#plotSelection');
sender.hostElement.appendChild(selectorRef.current);
}
else {
// *visually* restore selection after redraw (ex. resize browser, change chart type)
$_restoreSelection();
}
};
const $_clearSelection = () => {
selectionsRef.current.forEach((item) => {
let series = item.series, el = series.getPlotElement(item.pointIndex);
//
if (el) {
wjCore.removeClass(el, wjSelected);
}
});
//
selectionsRef.current.length = 0;
};
// helper for adding chart selection
const $_addSelection = (ht) => {
wjCore.addClass(ht.series.getPlotElement(ht.pointIndex), wjSelected);
selectionsRef.current.push({
series: ht.series,
pointIndex: ht.pointIndex
});
};
// helper for removing chart selection
const $_removeSelection = (ht) => {
let items = selectionsRef.current.filter((item) => item.series === ht.series && item.pointIndex === ht.pointIndex), idx = items && items.length > 0 ? selectionsRef.current.indexOf(items[0]) : -1;
//
if (idx >= 0) {
selectionsRef.current.splice(idx, 1);
wjCore.removeClass(ht.series.getPlotElement(ht.pointIndex), wjSelected);
}
};
// finds selected plot elements after rendering and applies CSS to visually represent selection
const $_restoreSelection = () => {
selectionsRef.current.forEach((item) => {
let series = item.series, el = series.getPlotElement(item.pointIndex);
//
if (el) {
wjCore.addClass(el, wjSelected);
}
});
};
// helper to hide the selector
const $_hideSelector = () => {
wjCore.setCss(selectorRef.current, {
'visibility': 'hidden',
'width': 0,
'height': 0,
'left': 0,
'top': 0
});
};
// selects plot elements within drawn rectangle
const $_selectWithinRect = (rect) => {
if (!rect || !chartRef.current) {
return;
}
//
chartRef.current.series.forEach((item) => {
let pointCount = item._getLength();
//
for (let j = 0; j < pointCount; j++) {
let el = item.getPlotElement(j);
//
if ($_elementInBounds(el, rect)) {
$_addSelection({
series: item,
pointIndex: j
});
}
}
});
};
// helper to determine if plot element is within the bounds of the drawn rectangle
const $_elementInBounds = (el, rect) => {
let box = el.getBoundingClientRect();
return !(box.left > rect.right || box.right < rect.left || box.top > rect.bottom || box.bottom < rect.top);
};
// clear selection for button click
const $_clear = () => {
$_clearSelection();
// update length for view
itemsRef.current.length = 0;
};
const $_chartClick = (e) => {
if (mouseDownRef.current && !isTouchRef.current) {
isTouchRef.current = false;
return;
}
//
let p = wjCore.mouseToPage(e);
if (mousePtRef.current.x !== p.x || mousePtRef.current.y !== p.y) {
return;
}
//
let element = e.target, ht = chartRef.current.hitTest(e), selected = false, chartType = chartRef.current.chartType;
//
selected = selectionsRef.current.some((item) => {
return item.series === ht.series && item.pointIndex === ht.pointIndex;
});
//
if (ht && ht.series && !selected && ((ht.distance <= 0 && (chartType == 0 || chartType == 1)) || ht.distance <= 15) && isTouchRef.current) {
// remove selection
if (wjCore.hasClass(element, wjSelected)) {
$_removeSelection(ht);
}
else {
// add selection
$_addSelection(ht);
}
}
else if (selected && ((ht.distance <= 0 && (chartType == 0 || chartType == 1)) || ht.distance <= 15) && isTouchRef.current) {
$_removeSelection(ht);
}
else {
$_clearSelection();
}
//
isTouchRef.current = false;
// update length for view
itemsRef.current.length = 0;
itemsRef.current.push.apply(itemsRef.current, selectionsRef.current);
};
const $_chartMouseDown = (e) => {
mousePtRef.current = wjCore.mouseToPage(e);
mouseDownRef.current = true;
e.preventDefault();
};
const $_chartMouseUp = (e) => {
var _a;
if (startRef.current != null) {
startRef.current = null;
}
//
if (endRef.current != null) {
let host = chartRef.current.hostElement;
offsetRef.current = wjCore.getElementRect(host);
let style = host.getAttribute('style');
offsetRef.current.left = offsetRef.current.left + parseInt(style ? style['padding-left'].replace('px', '') : 0);
offsetRef.current.top = offsetRef.current.top + parseInt(style ? style['padding-top'].replace('px', '') : 0);
//
endRef.current = startRef.current = null;
//
$_clear();
$_selectWithinRect((_a = selectorRef.current) === null || _a === void 0 ? void 0 : _a.getBoundingClientRect());
//
// update length for view
itemsRef.current.length = 0;
itemsRef.current.push.apply(itemsRef.current, selectionsRef.current);
//
e.preventDefault();
}
//
$_hideSelector();
mouseDownRef.current = false;
};
const $_chartMouseMove = (e) => {
let p = wjCore.mouseToPage(e);
if (!mouseDownRef.current || (mousePtRef.current.x == p.x && mousePtRef.current.y == p.y)) {
return;
}
//
let pt = e instanceof MouseEvent ? new wjCore.Point(e.pageX, e.pageY) : new wjCore.Point(e.changedTouches[0].pageX, e.changedTouches[0].pageY);
//
if (startRef.current != null) {
endRef.current = pt;
// update selector rectangle
let w = pt.x - startRef.current.x;
let h = pt.y - startRef.current.y;
//
if (w >= 0) {
wjCore.setCss(selectorRef.current, {
'left': startRef.current.x - offsetRef.current.left,
'width': w
});
}
else {
wjCore.setCss(selectorRef.current, {
'left': pt.x - offsetRef.current.left,
'width': -w
});
}
if (h >= 0) {
wjCore.setCss(selectorRef.current, {
'top': startRef.current.y - offsetRef.current.top,
'height': h
});
}
else {
wjCore.setCss(selectorRef.current, {
'top': pt.y - offsetRef.current.top,
'height': -h
});
}
}
else {
wjCore.setCss(selectorRef.current, {
'visibility': 'visible'
});
if (selectorRef.current) {
offsetRef.current = wjCore.getElementRect(selectorRef.current);
}
startRef.current = pt;
}
e.preventDefault();
};
const $_chartMouseLeave = (e) => {
if (startRef.current) {
startRef.current = endRef.current = null;
mouseDownRef.current = false;
$_hideSelector();
}
};
return (<div className="container-fluid">
<div id="plotSelection"></div>
<wjChart.FlexChart chartType="Scatter" bindingX="x" initialized={chartInitialized} rendered={chartRendered}>
<wjChart.FlexChartAxis wjProperty="axisY" axisLine={true}/>
<wjChart.FlexChartLegend position="None"/>
<wjChart.FlexChartSeries name="Experiment 1" itemsSource={series1} bindingX="x" binding="y">
</wjChart.FlexChartSeries>
<wjChart.FlexChartSeries name="Experiment 2" itemsSource={series2} bindingX="x" binding="y">
</wjChart.FlexChartSeries>
<wjChart.FlexChartSeries name="Experiment 3" itemsSource={series3} bindingX="x" binding="y">
</wjChart.FlexChartSeries>
</wjChart.FlexChart>
</div>);
}
const container = document.getElementById('app');
if (container) {
const root = ReactDOM.createRoot(container);
root.render(<App />);
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo Wijmo FlexChart Select Box</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- SystemJS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.40/system.src.js" integrity="sha512-G6mEj6h18+m3MvzdviSDfPle/TfH0//cXcB33AKlNR/Rha0yQsKefDZKRTkIZos97HEGq2JMV1RT5ybMoQ3WsQ==" crossorigin="anonymous"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('./src/app');
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
.wj-flexchart {
height: 600px;
width: 600px;
margin: 10px 0;
}
#plotSelection {
background-color: rgba(85, 85, 85, 0.05);
border: 2px dashed #808080;
position: absolute;
display: block;
left: 0;
top: 0;
pointer-events: none;
visibility: hidden;
}
.wj-flexchart .wj-state-selected {
stroke-width: 20px;
stroke-dasharray: none;
}
export function getData(cnt, a, b) {
let arr = [], x = -5 * cnt / 2;
//
for (let i = 0; i < cnt; i++) {
let rnd = Math.random() * cnt - cnt / 2;
//
arr.push({
x: x,
y: a + x * (b + rnd) + rnd
});
//
x += .5 + Math.random() * 10;
}
//
return arr;
}
(function (global) {
window.process = {
env: {
NODE_ENV: "production"
}
}
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true,
react: true
},
meta: {
'*.css': { loader: 'css' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'jszip': 'npm:jszip/dist/jszip.js',
'@mescius/wijmo': 'npm:@mescius/wijmo/index.js',
'@mescius/wijmo.input': 'npm:@mescius/wijmo.input/index.js',
'@mescius/wijmo.styles': 'npm:@mescius/wijmo.styles',
'@mescius/wijmo.cultures': 'npm:@mescius/wijmo.cultures',
'@mescius/wijmo.chart': 'npm:@mescius/wijmo.chart/index.js',
'@mescius/wijmo.chart.analytics': 'npm:@mescius/wijmo.chart.analytics/index.js',
'@mescius/wijmo.chart.animation': 'npm:@mescius/wijmo.chart.animation/index.js',
'@mescius/wijmo.chart.annotation': 'npm:@mescius/wijmo.chart.annotation/index.js',
'@mescius/wijmo.chart.finance': 'npm:@mescius/wijmo.chart.finance/index.js',
'@mescius/wijmo.chart.finance.analytics': 'npm:@mescius/wijmo.chart.finance.analytics/index.js',
'@mescius/wijmo.chart.hierarchical': 'npm:@mescius/wijmo.chart.hierarchical/index.js',
'@mescius/wijmo.chart.interaction': 'npm:@mescius/wijmo.chart.interaction/index.js',
'@mescius/wijmo.chart.radar': 'npm:@mescius/wijmo.chart.radar/index.js',
'@mescius/wijmo.chart.render': 'npm:@mescius/wijmo.chart.render/index.js',
'@mescius/wijmo.chart.webgl': 'npm:@mescius/wijmo.chart.webgl/index.js',
'@mescius/wijmo.chart.map': 'npm:@mescius/wijmo.chart.map/index.js',
'@mescius/wijmo.gauge': 'npm:@mescius/wijmo.gauge/index.js',
'@mescius/wijmo.grid': 'npm:@mescius/wijmo.grid/index.js',
'@mescius/wijmo.grid.detail': 'npm:@mescius/wijmo.grid.detail/index.js',
'@mescius/wijmo.grid.filter': 'npm:@mescius/wijmo.grid.filter/index.js',
'@mescius/wijmo.grid.search': 'npm:@mescius/wijmo.grid.search/index.js',
'@mescius/wijmo.grid.style': 'npm:@mescius/wijmo.grid.style/index.js',
'@mescius/wijmo.grid.grouppanel': 'npm:@mescius/wijmo.grid.grouppanel/index.js',
'@mescius/wijmo.grid.multirow': 'npm:@mescius/wijmo.grid.multirow/index.js',
'@mescius/wijmo.grid.transposed': 'npm:@mescius/wijmo.grid.transposed/index.js',
'@mescius/wijmo.grid.transposedmultirow': 'npm:@mescius/wijmo.grid.transposedmultirow/index.js',
'@mescius/wijmo.grid.pdf': 'npm:@mescius/wijmo.grid.pdf/index.js',
'@mescius/wijmo.grid.sheet': 'npm:@mescius/wijmo.grid.sheet/index.js',
'@mescius/wijmo.grid.xlsx': 'npm:@mescius/wijmo.grid.xlsx/index.js',
'@mescius/wijmo.grid.selector': 'npm:@mescius/wijmo.grid.selector/index.js',
'@mescius/wijmo.grid.cellmaker': 'npm:@mescius/wijmo.grid.cellmaker/index.js',
'@mescius/wijmo.grid.immutable': 'npm:@mescius/wijmo.grid.immutable/index.js',
'@mescius/wijmo.touch': 'npm:@mescius/wijmo.touch/index.js',
'@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/index.js',
'@mescius/wijmo.nav': 'npm:@mescius/wijmo.nav/index.js',
'@mescius/wijmo.odata': 'npm:@mescius/wijmo.odata/index.js',
'@mescius/wijmo.olap': 'npm:@mescius/wijmo.olap/index.js',
'@mescius/wijmo.rest': 'npm:@mescius/wijmo.rest/index.js',
'@mescius/wijmo.pdf': 'npm:@mescius/wijmo.pdf/index.js',
'@mescius/wijmo.pdf.security': 'npm:@mescius/wijmo.pdf.security/index.js',
'@mescius/wijmo.viewer': 'npm:@mescius/wijmo.viewer/index.js',
'@mescius/wijmo.xlsx': 'npm:@mescius/wijmo.xlsx/index.js',
'@mescius/wijmo.undo': 'npm:@mescius/wijmo.undo/index.js',
'@mescius/wijmo.interop.grid': 'npm:@mescius/wijmo.interop.grid/index.js',
'@mescius/wijmo.barcode': 'npm:@mescius/wijmo.barcode/index.js',
'@mescius/wijmo.barcode.common': 'npm:@mescius/wijmo.barcode.common/index.js',
'@mescius/wijmo.barcode.composite': 'npm:@mescius/wijmo.barcode.composite/index.js',
'@mescius/wijmo.barcode.specialized': 'npm:@mescius/wijmo.barcode.specialized/index.js',
"@mescius/wijmo.react.chart.analytics": "npm:@mescius/wijmo.react.chart.analytics/index.js",
"@mescius/wijmo.react.chart.animation": "npm:@mescius/wijmo.react.chart.animation/index.js",
"@mescius/wijmo.react.chart.annotation": "npm:@mescius/wijmo.react.chart.annotation/index.js",
"@mescius/wijmo.react.chart.finance.analytics": "npm:@mescius/wijmo.react.chart.finance.analytics/index.js",
"@mescius/wijmo.react.chart.finance": "npm:@mescius/wijmo.react.chart.finance/index.js",
"@mescius/wijmo.react.chart.hierarchical": "npm:@mescius/wijmo.react.chart.hierarchical/index.js",
"@mescius/wijmo.react.chart.interaction": "npm:@mescius/wijmo.react.chart.interaction/index.js",
"@mescius/wijmo.react.chart.radar": "npm:@mescius/wijmo.react.chart.radar/index.js",
"@mescius/wijmo.react.chart": "npm:@mescius/wijmo.react.chart/index.js",
"@mescius/wijmo.react.core": "npm:@mescius/wijmo.react.core/index.js",
'@mescius/wijmo.react.chart.map': 'npm:@mescius/wijmo.react.chart.map/index.js',
"@mescius/wijmo.react.gauge": "npm:@mescius/wijmo.react.gauge/index.js",
"@mescius/wijmo.react.grid.detail": "npm:@mescius/wijmo.react.grid.detail/index.js",
"@mescius/wijmo.react.grid.filter": "npm:@mescius/wijmo.react.grid.filter/index.js",
"@mescius/wijmo.react.grid.grouppanel": "npm:@mescius/wijmo.react.grid.grouppanel/index.js",
'@mescius/wijmo.react.grid.search': 'npm:@mescius/wijmo.react.grid.search/index.js',
"@mescius/wijmo.react.grid.multirow": "npm:@mescius/wijmo.react.grid.multirow/index.js",
"@mescius/wijmo.react.grid.sheet": "npm:@mescius/wijmo.react.grid.sheet/index.js",
'@mescius/wijmo.react.grid.transposed': 'npm:@mescius/wijmo.react.grid.transposed/index.js',
'@mescius/wijmo.react.grid.transposedmultirow': 'npm:@mescius/wijmo.react.grid.transposedmultirow/index.js',
'@mescius/wijmo.react.grid.immutable': 'npm:@mescius/wijmo.react.grid.immutable/index.js',
"@mescius/wijmo.react.grid": "npm:@mescius/wijmo.react.grid/index.js",
"@mescius/wijmo.react.input": "npm:@mescius/wijmo.react.input/index.js",
"@mescius/wijmo.react.olap": "npm:@mescius/wijmo.react.olap/index.js",
"@mescius/wijmo.react.viewer": "npm:@mescius/wijmo.react.viewer/index.js",
"@mescius/wijmo.react.nav": "npm:@mescius/wijmo.react.nav/index.js",
"@mescius/wijmo.react.base": "npm:@mescius/wijmo.react.base/index.js",
'@mescius/wijmo.react.barcode.common': 'npm:@mescius/wijmo.react.barcode.common/index.js',
'@mescius/wijmo.react.barcode.composite': 'npm:@mescius/wijmo.react.barcode.composite/index.js',
'@mescius/wijmo.react.barcode.specialized': 'npm:@mescius/wijmo.react.barcode.specialized/index.js',
'jszip': 'npm:jszip/dist/jszip.js',
'react': 'npm:react/index.js',
'react-dom': 'npm:react-dom/index.js',
'react-dom/client': 'npm:react-dom/client.js',
"scheduler": "npm:scheduler/index.js",
'redux': 'npm:redux/dist/redux.min.js',
'react-redux': 'npm:react-redux/dist/react-redux.min.js',
'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css',
'css': 'npm:systemjs-plugin-css/css.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
'systemjs-babel-build':'npm:systemjs-plugin-babel/systemjs-babel-browser.js',
"react-use-event-hook": "npm:react-use-event-hook/dist/esm/useEvent.js",
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'jsx'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
