import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import './styles.css';
//
import * as wjChart from '@mescius/wijmo.chart';
import * as wjCore from '@mescius/wijmo';
//
import '@angular/compiler';
import { Component, Inject, enableProdMode, ViewChild, ɵresolveComponentResources } from '@angular/core';
import { BrowserModule, bootstrapApplication } from '@angular/platform-browser';
import { WjChartModule } from '@mescius/wijmo.angular2.chart';
import { DataService } from './app.data';
//
const wjSelected: string = 'wj-state-selected';
//
@Component({
standalone: true,
providers: [DataService],
imports: [WjChartModule, BrowserModule],
selector: 'app-component',
templateUrl: 'src/app.component.html',
})
export class AppComponent {
@ViewChild('flexChart', { static: true }) chart: wjChart.FlexChart;
series1: any[];
series2: any[];
series3: any[];
private _rendered: boolean = false;
private _selections: {
series: wjChart.SeriesBase;
pointIndex: number;
}[] = [];
private _mouseDown: boolean = false;
private _start: wjCore.Point = null;
private _end: wjCore.Point = null;
private _selector: HTMLElement = null;
private _offset: wjCore.Rect = null;
private _mousePt: wjCore.Point = null;
private _isTouch: boolean = false;
private _items: {
series: wjChart.SeriesBase;
pointIndex: number;
}[] = [];
//
constructor(@Inject(DataService) private dataService: DataService) {
this.series1 = dataService.getData(50, 0, 3);
this.series2 = dataService.getData(40, 100, 12);
this.series3 = dataService.getData(30, -100, 24);
}
//
renderedEventHandler(flexChart: wjChart.FlexChart) {
if (!this._rendered) {
flexChart.hostElement.addEventListener('mousedown', this._chartMouseDown.bind(this));
flexChart.hostElement.addEventListener('mousemove', this._chartMouseMove.bind(this));
flexChart.hostElement.addEventListener('mouseup', this._chartMouseUp.bind(this));
flexChart.hostElement.addEventListener('mouseleave', this._chartMouseLeave.bind(this));
flexChart.hostElement.addEventListener('click', this._chartClick.bind(this));
window.addEventListener('touchstart', () => (this._isTouch = true), false);
//
// boolean flag - don't re-add event listener after resize
this._rendered = true;
//
this._selector = document.querySelector('#plotSelection');
flexChart.hostElement.appendChild(this._selector);
} else {
// *visually* restore selection after redraw (ex. resize browser, change chart type)
this._restoreSelection();
}
}
//
// helper for clearing chart selection
private _clearSelection() {
this._selections.forEach((item) => {
let series = item.series,
el = series.getPlotElement(item.pointIndex);
//
if (el) {
wjCore.removeClass(el, wjSelected);
}
});
//
this._selections.length = 0;
}
//
// helper for adding chart selection
private _addSelection(ht: any) {
wjCore.addClass(ht.series.getPlotElement(ht.pointIndex), wjSelected);
this._selections.push({
series: ht.series,
pointIndex: ht.pointIndex,
});
}
//
// helper for removing chart selection
private _removeSelection(ht: any) {
let items = this._selections.filter((item) => item.series === ht.series && item.pointIndex === ht.pointIndex),
idx = items && items.length > 0 ? this._selections.indexOf(items[0]) : -1;
//
if (idx >= 0) {
this._selections.splice(idx, 1);
wjCore.removeClass(ht.series.getPlotElement(ht.pointIndex), wjSelected);
}
}
//
// finds selected plot elements after rendering and applies CSS to visually represent selection
private _restoreSelection() {
this._selections.forEach((item) => {
let series = item.series,
el = series.getPlotElement(item.pointIndex);
//
if (el) {
wjCore.addClass(el, wjSelected);
}
});
}
//
// helper to hide the selector
private _hideSelector() {
wjCore.setCss(this._selector, {
visibility: 'hidden',
width: 0,
height: 0,
left: 0,
top: 0,
});
}
//
// selects plot elements within drawn rectangle
private _selectWithinRect(rect: ClientRect) {
if (!rect || !this.chart) {
return;
}
//
this.chart.series.forEach((item: wjChart.SeriesBase) => {
let pointCount = item._getLength();
//
for (let j = 0; j < pointCount; j++) {
let el = item.getPlotElement(j);
//
if (this._elementInBounds(el, rect)) {
this._addSelection({
series: item,
pointIndex: j,
});
}
}
});
}
//
// helper to determine if plot element is within the bounds of the drawn rectangle
private _elementInBounds(el: HTMLElement, rect: ClientRect) {
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
private _clear() {
this._clearSelection();
// update length for view
this._items.length = 0;
}
//
private _chartClick(e: MouseEvent) {
if (this._mouseDown && !this._isTouch) {
this._isTouch = false;
return;
}
//
let p = wjCore.mouseToPage(e);
if (this._mousePt.x !== p.x || this._mousePt.y !== p.y) {
return;
}
//
let element = <HTMLElement>e.target,
ht = this.chart.hitTest(e),
selected = false,
chartType = this.chart.chartType;
//
selected = this._selections.some((item: any) => {
return item.series === ht.series && item.pointIndex === ht.pointIndex;
});
//
if (
ht &&
ht.series &&
!selected &&
((ht.distance <= 0 && (chartType == 0 || chartType == 1)) || ht.distance <= 15) &&
this._isTouch
) {
// remove selection
if (wjCore.hasClass(element, wjSelected)) {
this._removeSelection(ht);
} else {
// add selection
this._addSelection(ht);
}
} else if (
selected &&
((ht.distance <= 0 && (chartType == 0 || chartType == 1)) || ht.distance <= 15) &&
this._isTouch
) {
this._removeSelection(ht);
} else {
this._clearSelection();
}
//
this._isTouch = false;
// update length for view
this._items.length = 0;
this._items.push.apply(this._items, this._selections);
}
//
private _chartMouseDown(e: MouseEvent) {
this._mousePt = wjCore.mouseToPage(e);
this._mouseDown = true;
e.preventDefault();
}
//
private _chartMouseUp(e: MouseEvent) {
if (this._start != null) {
this._start = null;
}
//
if (this._end != null) {
let host = this.chart.hostElement;
this._offset = wjCore.getElementRect(host);
let style = host.getAttribute('style');
this._offset.left = this._offset.left + parseInt(style ? style['padding-left'].replace('px', '') : 0);
this._offset.top = this._offset.top + parseInt(style ? style['padding-top'].replace('px', '') : 0);
//
this._end = this._start = null;
//
this._clear();
this._selectWithinRect(this._selector.getBoundingClientRect());
//
// update length for view
this._items.length = 0;
this._items.push.apply(this._items, this._selections);
//
e.preventDefault();
}
//
this._hideSelector();
this._mouseDown = false;
}
//
private _chartMouseMove(e: MouseEvent | TouchEvent) {
let p = wjCore.mouseToPage(e);
if (!this._mouseDown || (this._mousePt.x == p.x && this._mousePt.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 (this._start != null) {
this._end = pt;
//
// update selector rectangle
let w = pt.x - this._start.x;
let h = pt.y - this._start.y;
//
if (w >= 0) {
wjCore.setCss(this._selector, {
left: this._start.x - this._offset.left,
width: w,
});
} else {
wjCore.setCss(this._selector, {
left: pt.x - this._offset.left,
width: -w,
});
}
//
if (h >= 0) {
wjCore.setCss(this._selector, {
top: this._start.y - this._offset.top,
height: h,
});
} else {
wjCore.setCss(this._selector, {
top: pt.y - this._offset.top,
height: -h,
});
}
} else {
wjCore.setCss(this._selector, {
visibility: 'visible',
});
this._offset = wjCore.getElementRect(this._selector);
//
this._start = pt;
}
//
e.preventDefault();
}
//
private _chartMouseLeave(e: MouseEvent) {
if (this._start) {
this._start = this._end = null;
this._mouseDown = false;
this._hideSelector();
}
}
}
//
//
enableProdMode();
// Resolve resources (templateUrl, styleUrls etc), After resolution all URLs have been converted into `template` strings.
ɵresolveComponentResources(fetch).then(() => {
// Bootstrap application
bootstrapApplication(AppComponent).catch((err) => console.error(err));
});
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>MESCIUS Wijmo FlexChart Select Box</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- Polyfills -->
<script src="node_modules/core-js/client/shim.min.js"></script>
<script src="node_modules/zone.js/fesm2015/zone.min.js"></script>
<!-- SystemJS -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.21.5/system.src.js" integrity="sha512-skZbMyvYdNoZfLmiGn5ii6KmklM82rYX2uWctBhzaXPxJgiv4XBwJnFGr5k8s+6tE1pcR1nuTKghozJHyzMcoA==" crossorigin="anonymous"></script>
<script src="systemjs.config.js"></script>
<script>
// workaround to load 'rxjs/operators' from the rxjs bundle
System.import('rxjs').then(function (m) {
System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators));
System.import('./src/app.component');
});
</script>
</head>
<body>
<app-component></app-component>
</body>
</html>
<div class="container-fluid">
<div id="plotSelection"></div>
<wj-flex-chart #flexChart [chartType]="'Scatter'" [bindingX]="'x'" (rendered)="renderedEventHandler(flexChart)">
<wj-flex-chart-axis wjProperty="axisY" [axisLine]="true">
</wj-flex-chart-axis>
<wj-flex-chart-legend [position]="'None'">
</wj-flex-chart-legend>
<wj-flex-chart-series [name]="'Experiment 1'" [itemsSource]="series1" [bindingX]="'x'" [binding]="'y'">
</wj-flex-chart-series>
<wj-flex-chart-series [name]="'Experiment 2'" [itemsSource]="series2" [bindingX]="'x'" [binding]="'y'">
</wj-flex-chart-series>
<wj-flex-chart-series [name]="'Experiment 3'" [itemsSource]="series3" [bindingX]="'x'" [binding]="'y'">
</wj-flex-chart-series>
</wj-flex-chart>
</div>
import { Injectable } from '@angular/core';
//
@Injectable()
export class DataService {
getData(cnt: number, a: number, b: number) {
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;
}
}
.wj-flexchart {
height: 600px;
width: 600px;
margin: 10px 0;
}
body {
margin-bottom: 24pt;
}
#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;
}
(function (global) {
SystemJS.config({
transpiler: './plugin-typescript.js',
typescriptOptions: {
"target": "ES2022",
"module": "system",
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
},
baseURL: 'node_modules/',
meta: {
'typescript': {
"exports": "ts"
},
'*.css': { loader: 'systemjs-plugin-css' },
'*.mjs': {
format: 'esm'
},
},
paths: {
// paths serve as alias
'npm:': ''
},
packageConfigPaths: [
'/node_modules/*/package.json',
"/node_modules/@angular/*/package.json",
"/node_modules/@mescius/*/package.json"
],
map: {
'core-js': 'https://cdn.jsdelivr.net/npm/core-js@2.6.12/client/shim.min.js',
'typescript': 'https://cdnjs.cloudflare.com/ajax/libs/typescript/5.2.2/typescript.min.js',
"rxjs": "https://cdnjs.cloudflare.com/ajax/libs/rxjs/7.8.1/rxjs.umd.min.js",
'systemjs-plugin-css': 'https://cdn.jsdelivr.net/npm/systemjs-plugin-css@0.1.37/css.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.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.touch': 'npm:@mescius/wijmo.touch/index.js',
'@mescius/wijmo.cloud': 'npm:@mescius/wijmo.cloud/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.angular2.chart.analytics": "npm:@mescius/wijmo.angular2.chart.analytics/index.js",
"@mescius/wijmo.angular2.chart.animation": "npm:@mescius/wijmo.angular2.chart.animation/index.js",
"@mescius/wijmo.angular2.chart.annotation": "npm:@mescius/wijmo.angular2.chart.annotation/index.js",
"@mescius/wijmo.angular2.chart.finance.analytics": "npm:@mescius/wijmo.angular2.chart.finance.analytics/index.js",
"@mescius/wijmo.angular2.chart.finance": "npm:@mescius/wijmo.angular2.chart.finance/index.js",
"@mescius/wijmo.angular2.chart.hierarchical": "npm:@mescius/wijmo.angular2.chart.hierarchical/index.js",
"@mescius/wijmo.angular2.chart.interaction": "npm:@mescius/wijmo.angular2.chart.interaction/index.js",
"@mescius/wijmo.angular2.chart.radar": "npm:@mescius/wijmo.angular2.chart.radar/index.js",
'@mescius/wijmo.angular2.chart.map': 'npm:@mescius/wijmo.angular2.chart.map/index.js',
"@mescius/wijmo.angular2.chart": "npm:@mescius/wijmo.angular2.chart/index.js",
"@mescius/wijmo.angular2.core": "npm:@mescius/wijmo.angular2.core/index.js",
"@mescius/wijmo.angular2.gauge": "npm:@mescius/wijmo.angular2.gauge/index.js",
"@mescius/wijmo.angular2.grid.detail": "npm:@mescius/wijmo.angular2.grid.detail/index.js",
"@mescius/wijmo.angular2.grid.filter": "npm:@mescius/wijmo.angular2.grid.filter/index.js",
"@mescius/wijmo.angular2.grid.grouppanel": "npm:@mescius/wijmo.angular2.grid.grouppanel/index.js",
"@mescius/wijmo.angular2.grid.search": "npm:@mescius/wijmo.angular2.grid.search/index.js",
"@mescius/wijmo.angular2.grid.multirow": "npm:@mescius/wijmo.angular2.grid.multirow/index.js",
"@mescius/wijmo.angular2.grid.sheet": "npm:@mescius/wijmo.angular2.grid.sheet/index.js",
'@mescius/wijmo.angular2.grid.transposed': 'npm:@mescius/wijmo.angular2.grid.transposed/index.js',
'@mescius/wijmo.angular2.grid.transposedmultirow': 'npm:@mescius/wijmo.angular2.grid.transposedmultirow/index.js',
"@mescius/wijmo.angular2.grid": "npm:@mescius/wijmo.angular2.grid/index.js",
"@mescius/wijmo.angular2.input": "npm:@mescius/wijmo.angular2.input/index.js",
"@mescius/wijmo.angular2.olap": "npm:@mescius/wijmo.angular2.olap/index.js",
"@mescius/wijmo.angular2.viewer": "npm:@mescius/wijmo.angular2.viewer/index.js",
"@mescius/wijmo.angular2.nav": "npm:@mescius/wijmo.angular2.nav/index.js",
"@mescius/wijmo.angular2.directivebase": "npm:@mescius/wijmo.angular2.directivebase/index.js",
'@mescius/wijmo.angular2.barcode.common': 'npm:@mescius/wijmo.angular2.barcode.common/index.js',
'@mescius/wijmo.angular2.barcode.composite': 'npm:@mescius/wijmo.angular2.barcode.composite/index.js',
'@mescius/wijmo.angular2.barcode.specialized': 'npm:@mescius/wijmo.angular2.barcode.specialized/index.js',
'bootstrap.css': 'npm:bootstrap/dist/css/bootstrap.min.css',
'jszip': 'https://cdnjs.cloudflare.com/ajax/libs/jszip/3.10.1/jszip.min.js',
'@angular/core': 'npm:@angular/core/fesm2022/core.mjs',
'@angular/core/primitives/di': 'npm:@angular/core/fesm2022/primitives/di.mjs',
'@angular/core/primitives/signals': 'npm:@angular/core/fesm2022/primitives/signals.mjs',
'@angular/core/primitives/event-dispatch': 'npm:@angular/core/fesm2022/primitives/event-dispatch.mjs',
'@angular/common': 'npm:@angular/common/fesm2022/common.mjs',
'@angular/common/http': 'npm:@angular/common/fesm2022/http.mjs',
'@angular/compiler': 'npm:@angular/compiler/fesm2022/compiler.mjs',
'@angular/platform-browser': 'npm:@angular/platform-browser/fesm2022/platform-browser.mjs',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/fesm2022/platform-browser-dynamic.mjs',
'@angular/http': 'npm:@angular/http/fesm2022/http.mjs',
'@angular/router': 'npm:@angular/router/fesm2022/router.mjs',
'@angular/forms': 'npm:@angular/forms/fesm2022/forms.mjs',
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
"./src": {
defaultExtension: 'ts'
},
"node_modules": {
defaultExtension: 'js'
},
wijmo: {
defaultExtension: 'js',
}
}
});
})(this);
