import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import './styles.css';
//
import '@angular/compiler';
import { Component, Inject, enableProdMode, AfterViewInit, ViewChild, ɵresolveComponentResources } from '@angular/core';
import { BrowserModule, bootstrapApplication } from '@angular/platform-browser';
import { WjChartModule } from '@mescius/wijmo.angular2.chart';
import { DataService } from './app.data';
import { AxisScrollbar } from './AxisScrollbar';
import * as wjChart from '@mescius/wijmo.chart';
//
@Component({
standalone: true,
providers: [DataService],
imports: [WjChartModule, BrowserModule],
selector: 'app-component',
templateUrl: 'src/app.component.html',
})
export class AppComponent implements AfterViewInit {
data: any[];
@ViewChild('theChart', { static: true }) theChart: wjChart.FlexChart;
//
constructor(@Inject(DataService) private dataService: DataService) {
this.data = dataService.getData();
}
//
ngAfterViewInit() {
let axisXScrollbar = new AxisScrollbar(this.theChart.axisX, {
minScale: 0.02,
});
let axisYScrollbar = new AxisScrollbar(this.theChart.axisY, {
buttonsVisible: false,
minScale: 0.05,
});
}
}
//
//
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 Scrolling & Range Selectors</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 class="form-group">
<wj-flex-chart #theChart tooltipContent="" [itemsSource]="data" chartType="Line" bindingX="date" plotMargin="NaN NaN NaN 80">
<wj-flex-chart-axis wjProperty="axisX" [axisLine]="false"></wj-flex-chart-axis>
<wj-flex-chart-series name="Data" binding="yval"></wj-flex-chart-series>
</wj-flex-chart>
</div>
</div>
import { Injectable } from '@angular/core';
//
@Injectable()
export class DataService {
getData() {
let dataCount = 3000;
let data = [];
for (var i = 0; i < dataCount; i++) {
var mod = Math.floor(i / 10) % 10;
data.push({
date: new Date(2005, 0, i),
yval: mod == 0 ? null : Math.random() * 100
});
}
return data;
}
}
.wj-flexchart {
margin: 0px;
padding: 0px;
border-bottom: 0px;
touch-action: none;
-ms-touch-action: none;
padding-bottom: 40px;
}
body {
margin-bottom: 24pt;
}
/**** Axis Scrollbar Css *****/
.wj-flexchart .wj-axis-scrollbar-container {
position: relative;
}
.wj-flexchart .wj-axis-scrollbar-container .wj-chart-rangeslider {
border: 1px solid #EAEAEA;
background-color: #EAEAEA;
border-bottom-left-radius: 6px;
border-bottom-right-radius: 6px;
border-top-left-radius: 6px;
border-top-right-radius: 6px;
}
.wj-flexchart .wj-axis-scrollbar-container .wj-chart-hrangeslider {
height: 20px;
}
.wj-flexchart .wj-axis-scrollbar-container .wj-chart-vrangeslider {
width: 20px;
}
import * as core from '@mescius/wijmo';
import * as chart from '@mescius/wijmo.chart';
import * as interaction from '@mescius/wijmo.chart.interaction';
'use strict';
/**
* The @see:AxisScrollbar control displays a scrollbar that allows the user to
* choose the range of Axis.
*/
export class AxisScrollbar {
// fields
private _isVisible = true;
private _min: number = null;
private _max: number = null;
private _buttonsVisible: boolean = true;
//private _minScale: number = 0.01;
private _minScale: number = 0;
// host
private _chart: chart.FlexChartCore = null;
private _axis: chart.Axis = null;
private _rangeSlider: interaction._RangeSlider = null;
// elements
private _slbarContainer: HTMLElement = null;
private _isXAxis: boolean = true;
private _chartRefreshDelay: any = null;
/**
* Initializes a new instance of the @see:AxisScrollbar control.
*
* @param axis The axis that displays scrollbar.
* @param options A JavaScript object containing initialization data for the control.
*/
constructor(axis: chart.Axis, options?: any) {
if (!chart) {
core.assert(false, 'The Axis cannot be null.');
}
this._axis = axis;
this._chart = axis._chart;
this._isXAxis = this._axis.axisType === chart.AxisType.X;
core.copy(this, options);
this._createScrollbar();
}
/**
* Gets or sets the decrease button and increase button is visible or not.
*/
get buttonsVisible(): boolean {
return this._buttonsVisible;
}
set buttonsVisible(value: boolean) {
if (value !== this._buttonsVisible) {
this._buttonsVisible = core.asBoolean(value);
if (!this._rangeSlider) {
return;
}
this._rangeSlider.buttonsVisible = this._buttonsVisible;
}
}
/**
* Gets or sets the visibility of the Axis scrollbar.
*/
get isVisible(): boolean {
return this._isVisible;
}
set isVisible(value: boolean) {
if (value != this._isVisible) {
this._isVisible = core.asBoolean(value);
if (!this._rangeSlider) {
return;
}
this._rangeSlider.isVisible = value;
}
}
set minPos(value: number) {
if (value < 0 && value > 1 && value > this._rangeSlider._maxPos) {
return;
}
this._rangeSlider._minPos = value;
this._updateAxisRange();
}
set maxPos(value: number) {
if (value < 0 && value > 1 && value < this._rangeSlider._minPos) {
return;
}
this._rangeSlider._maxPos = value;
this._updateAxisRange();
}
/**
* Gets or sets the minimum range scale of the Axis scrollbar.
* The minimum range scale should be greater than zero.
*/
get minScale(): number {
return this._minScale;
}
set minScale(value: number) {
if (value > 0 && value != this._minScale) {
this._minScale = core.asNumber(value);
if (!this._rangeSlider) {
return;
}
this._rangeSlider.minScale = value;
}
}
/**
* Removes the range selector from the chart.
*/
remove() {
if (this._slbarContainer) {
this._chart.hostElement.removeChild(this._slbarContainer);
this._switchEvent(false);
this._slbarContainer = null;
}
}
private _createScrollbar() {
var chart = this._chart,
chartHostEle = chart.hostElement;
this._slbarContainer = core.createElement('<div class="wj-axis-scrollbar-container"></div>');
this._rangeSlider = new interaction._RangeSlider(this._slbarContainer,
true, // has space click function
true, // has dec and inc buttons
{ //options settings
buttonsVisible: this._buttonsVisible,
isHorizontal: this._isXAxis,
isVisible: this._isVisible,
minScale: this._minScale,
seamless: true
});
chartHostEle.appendChild(this._slbarContainer);
this._switchEvent(true);
}
private _switchEvent(isOn: boolean) {
var eventListener = isOn ? 'addEventListener' : 'removeEventListener',
eventHandler = isOn ? 'addHandler' : 'removeHandler';
if (this._chart.hostElement) {
this._chart.rendered[eventHandler](this._refresh, this);
this._rangeSlider.rangeChanged[eventHandler](this._updateAxisRange, this);
this._rangeSlider.rangeChanging[eventHandler](this._updatingAxisRange, this);
}
}
private _refresh() {
var chartHostEle = this._chart.hostElement,
rangeSlider = this._rangeSlider,
pa, pOffset, plotBox,
axisRect = this._axis._axrect, axisEle, axisOffset,
isBottom, isLeft, rsWidth,
rOffset = core.getElementRect(this._slbarContainer);
if (rangeSlider._isSliding) {
return;
}
//init the scrollbar range
if (this._min === null) {
this._min = core.isDate(this._axis.actualMin) ? this._axis.actualMin.valueOf() : this._axis.actualMin;
}
if (this._max === null) {
this._max = core.isDate(this._axis.actualMax) ? this._axis.actualMax.valueOf() : this._axis.actualMax;
}
pa = <SVGGElement>chartHostEle.querySelector('.' + chart.FlexChart._CSS_PLOT_AREA);
pOffset = core.getElementRect(pa);
plotBox = pa.getBBox();
//TODO: get the axis element when has multiple axes
axisEle = chartHostEle.querySelector(this._isXAxis ? '.wj-axis-x' : '.wj-axis-y');
axisOffset = core.getElementRect(axisEle);
if (axisOffset.height === 0) {
return;
}
if (this._isXAxis) {
isBottom = this._axis.position === chart.Position.Bottom;
rangeSlider._refresh({
left: plotBox.x,
top: isBottom ? axisOffset.top + axisOffset.height - rOffset.top :
axisOffset.top - rOffset.top - axisOffset.height,
width: plotBox.width
});
} else {
isLeft = this._axis.position === chart.Position.Left;
rsWidth = rangeSlider._handleWidth;
rangeSlider._refresh({
left: isLeft ? axisOffset.left - rOffset.left - rsWidth :
axisOffset.left - rOffset.left + pOffset.width + this._axis._axrect.width,
top: pOffset.top - rOffset.top,
height: plotBox.height
});
}
}
private _updateAxisRange() {
var chart, axis, range, rangeSlider = this._rangeSlider;
chart = this._chart;
axis = this._axis;
range = this._max - this._min;
if (axis.reversed) {
axis.min = this._max - rangeSlider._maxPos * range;
axis.max = this._max - rangeSlider._minPos * range;
} else {
axis.min = this._min + rangeSlider._minPos * range;
axis.max = this._min + rangeSlider._maxPos * range;
}
chart.invalidate();
}
private _updatingAxisRange() {
var self = this;
this._chartRefreshDelay = window.setTimeout(function () {
if (self._chartRefreshDelay) {
clearTimeout(self._chartRefreshDelay);
self._chartRefreshDelay = null;
}
self._updateAxisRange();
}, 200);
}
}
(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/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);