import 'bootstrap.css';
import '@mescius/wijmo.styles/wijmo.css';
import './styles.css';
import * as chart from '@mescius/wijmo.chart';
import { getData } from './data';
import { AxisScrollbar } from './AxisScrollbar';
//
document.readyState === 'complete' ? init() : window.onload = init;
//
function init() {
// create the chart
let theChart = new chart.FlexChart('#theChart', {
plotMargin: 'NaN NaN NaN 80',
bindingX: 'date',
chartType: 'Line',
itemsSource: getData(),
tooltip: {
content: ''
},
axisX: {
axisLine: false
},
series: [
{
name: 'Data',
binding: 'yval'
}
],
});
// create Scrollbar
let axisXScrollbar = new AxisScrollbar(theChart.axes[0], {
minScale: 0.02
});
let axisYScrollbar = new AxisScrollbar(theChart.axes[1], {
buttonsVisible: false,
minScale: 0.05
});
}
<!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">
<!-- 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>
System.import('./src/app');
</script>
</head>
<body>
<div class="container-fluid">
<div id="theChart"></div>
</div>
</body>
</html>
// generate some random data
export function 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 {
/**
* 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, options) {
// fields
this._isVisible = true;
this._min = null;
this._max = null;
this._buttonsVisible = true;
//private _minScale: number = 0.01;
this._minScale = 0;
// host
this._chart = null;
this._axis = null;
this._rangeSlider = null;
// elements
this._slbarContainer = null;
this._isXAxis = true;
this._chartRefreshDelay = null;
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() {
return this._buttonsVisible;
}
set buttonsVisible(value) {
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() {
return this._isVisible;
}
set isVisible(value) {
if (value != this._isVisible) {
this._isVisible = core.asBoolean(value);
if (!this._rangeSlider) {
return;
}
this._rangeSlider.isVisible = value;
}
}
set minPos(value) {
if (value < 0 && value > 1 && value > this._rangeSlider._maxPos) {
return;
}
this._rangeSlider._minPos = value;
this._updateAxisRange();
}
set maxPos(value) {
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() {
return this._minScale;
}
set minScale(value) {
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;
}
}
_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
{
buttonsVisible: this._buttonsVisible,
isHorizontal: this._isXAxis,
isVisible: this._isVisible,
minScale: this._minScale,
seamless: true
});
chartHostEle.appendChild(this._slbarContainer);
this._switchEvent(true);
}
_switchEvent(isOn) {
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);
}
}
_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 = chartHostEle.querySelector('.' + chart.FlexChart._CSS_PLOT_AREA);
pOffset = core.getElementRect(pa);
plotBox = pa.getBBox(pa);
//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
});
}
}
_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();
}
_updatingAxisRange() {
var self = this;
this._chartRefreshDelay = window.setTimeout(function () {
if (self._chartRefreshDelay) {
clearTimeout(self._chartRefreshDelay);
self._chartRefreshDelay = null;
}
self._updateAxisRange();
}, 200);
}
}
(function (global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: 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.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',
'jszip': 'npm:jszip/dist/jszip.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'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'js'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
