48fbeb397d
fix(dees-chart-area): improve real-time updates and chart element handling fix(dees-chart-log): refactor demo to store log element reference chore: update dependencies in package.json and pnpm-lock.yaml
376 lines
10 KiB
TypeScript
376 lines
10 KiB
TypeScript
import {
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DeesElement,
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css,
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cssManager,
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customElement,
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html,
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property,
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state,
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type TemplateResult,
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} from '@design.estate/dees-element';
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import * as domtools from '@design.estate/dees-domtools';
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import { demoFunc } from './dees-chart-area.demo.js';
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import ApexCharts from 'apexcharts';
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declare global {
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interface HTMLElementTagNameMap {
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'dees-chart-area': DeesChartArea;
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}
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}
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@customElement('dees-chart-area')
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export class DeesChartArea extends DeesElement {
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public static demo = demoFunc;
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// instance
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@state()
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public chart: ApexCharts;
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@property()
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public label: string = 'Untitled Chart';
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@property({ type: Array })
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public series: ApexAxisChartSeries = [];
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@property({ attribute: false })
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public yAxisFormatter: (value: number) => string = (val) => `${val} Mbps`;
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private resizeObserver: ResizeObserver;
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private resizeTimeout: number;
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constructor() {
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super();
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domtools.elementBasic.setup();
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this.resizeObserver = new ResizeObserver((entries) => {
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// Debounce resize calls to prevent excessive updates
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if (this.resizeTimeout) {
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clearTimeout(this.resizeTimeout);
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}
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this.resizeTimeout = window.setTimeout(() => {
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for (let entry of entries) {
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if (entry.target.classList.contains('mainbox') && this.chart) {
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this.resizeChart();
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}
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}
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}, 100); // 100ms debounce
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});
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this.registerStartupFunction(async () => {
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this.updateComplete.then(() => {
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const mainbox = this.shadowRoot.querySelector('.mainbox');
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if (mainbox) {
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this.resizeObserver.observe(mainbox);
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}
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});
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});
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this.registerGarbageFunction(async () => {
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if (this.resizeTimeout) {
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clearTimeout(this.resizeTimeout);
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}
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this.resizeObserver.disconnect();
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});
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}
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public static styles = [
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cssManager.defaultStyles,
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css`
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:host {
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font-family: 'Geist Sans', sans-serif;
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color: #ccc;
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font-weight: 600;
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font-size: 12px;
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}
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.mainbox {
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position: relative;
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width: 100%;
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height: 400px;
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background: #111;
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border-radius: 8px;
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overflow: hidden;
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}
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.chartTitle {
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position: absolute;
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top: 0;
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left: 0;
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width: 100%;
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text-align: center;
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padding-top: 16px;
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z-index: 10;
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}
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.chartContainer {
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position: absolute;
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top: 0px;
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left: 0px;
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bottom: 0px;
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right: 0px;
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padding: 32px 16px 16px 0px;
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overflow: hidden;
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}
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`,
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];
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public render(): TemplateResult {
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return html`
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<div class="mainbox">
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<div class="chartTitle">${this.label}</div>
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<div class="chartContainer"></div>
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</div>
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`;
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}
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public async firstUpdated() {
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await this.domtoolsPromise;
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// Wait for next animation frame to ensure layout is complete
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await new Promise(resolve => requestAnimationFrame(resolve));
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// Get actual dimensions of the container
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const mainbox: HTMLDivElement = this.shadowRoot.querySelector('.mainbox');
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const chartContainer: HTMLDivElement = this.shadowRoot.querySelector('.chartContainer');
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if (!mainbox || !chartContainer) {
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console.error('Chart containers not found');
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return;
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}
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// Calculate initial dimensions
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const styleChartContainer = window.getComputedStyle(chartContainer);
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const paddingTop = parseInt(styleChartContainer.paddingTop, 10);
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const paddingBottom = parseInt(styleChartContainer.paddingBottom, 10);
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const paddingLeft = parseInt(styleChartContainer.paddingLeft, 10);
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const paddingRight = parseInt(styleChartContainer.paddingRight, 10);
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const initialWidth = mainbox.clientWidth - paddingLeft - paddingRight;
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const initialHeight = mainbox.offsetHeight - paddingTop - paddingBottom;
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// Use provided series data or default demo data
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const chartSeries = this.series.length > 0 ? this.series : [
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{
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name: 'cpu',
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data: [
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{ x: '2025-01-15T03:00:00', y: 25 },
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{ x: '2025-01-15T07:00:00', y: 30 },
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{ x: '2025-01-15T11:00:00', y: 20 },
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{ x: '2025-01-15T15:00:00', y: 35 },
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{ x: '2025-01-15T19:00:00', y: 25 },
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],
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},
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{
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name: 'memory',
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data: [
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{ x: '2025-01-15T03:00:00', y: 10 },
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{ x: '2025-01-15T07:00:00', y: 12 },
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{ x: '2025-01-15T11:00:00', y: 10 },
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{ x: '2025-01-15T15:00:00', y: 30 },
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{ x: '2025-01-15T19:00:00', y: 40 },
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],
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},
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];
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var options: ApexCharts.ApexOptions = {
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series: chartSeries,
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chart: {
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width: initialWidth || 100, // Use actual width or fallback
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height: initialHeight || 100, // Use actual height or fallback
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type: 'area',
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toolbar: {
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show: false, // This line disables the toolbar
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},
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animations: {
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enabled: true,
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speed: 400,
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animateGradually: {
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enabled: false, // Disable gradual animation for cleaner updates
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delay: 0
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},
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dynamicAnimation: {
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enabled: true,
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speed: 350
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}
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},
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},
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dataLabels: {
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enabled: false,
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},
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stroke: {
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width: 1,
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curve: 'smooth',
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},
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xaxis: {
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type: 'datetime', // Time-series data
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labels: {
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format: 'hh:mm A', // Time formatting
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style: {
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colors: '#9e9e9e', // Label color
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fontSize: '12px',
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},
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},
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axisBorder: {
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show: false, // Hide x-axis border
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},
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axisTicks: {
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show: false, // Hide x-axis ticks
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},
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},
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yaxis: {
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min: 0,
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labels: {
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formatter: this.yAxisFormatter,
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style: {
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colors: '#9e9e9e', // Label color
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fontSize: '12px',
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},
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},
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axisBorder: {
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show: false, // Hide y-axis border
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},
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axisTicks: {
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show: false, // Hide y-axis ticks
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},
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},
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tooltip: {
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shared: true, // Enables the tooltip to display across series
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intersect: false, // Allows hovering anywhere on the chart
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followCursor: true, // Makes tooltip follow mouse even between points
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x: {
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format: 'dd/MM/yy HH:mm',
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},
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custom: function ({ series, dataPointIndex, w }: any) {
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// Iterate through each series and get its value
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let tooltipContent = `<div style="padding: 10px; background: #1e1e2f; color: white; border-radius: 5px;">`;
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series.forEach((s: number[], index: number) => {
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const label = w.globals.seriesNames[index]; // Get series label
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const value = s[dataPointIndex]; // Get value at data point
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tooltipContent += `<strong>${label}:</strong> ${value} Mbps<br/>`;
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});
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tooltipContent += `</div>`;
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return tooltipContent;
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},
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},
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grid: {
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xaxis: {
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lines: {
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show: true, // This enables the grid lines along the x-axis
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},
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},
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yaxis: {
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lines: {
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show: true,
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},
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},
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borderColor: '#333', // Set the color of the grid lines
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strokeDashArray: 0, // Solid line
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row: {
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colors: [], // This can be used to alternate the shading of the horizontal rows
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opacity: 0.1,
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},
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column: {
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colors: [], // For vertical column bands, not needed here but available for customization
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opacity: 0.1,
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},
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},
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fill: {
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type: 'gradient', // Gradient fill for the area
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gradient: {
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shade: 'dark',
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type: 'vertical',
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gradientToColors: ['#9c27b0'], // Gradient color ending
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stops: [0, 100],
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},
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},
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};
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this.chart = new ApexCharts(this.shadowRoot.querySelector('.chartContainer'), options);
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await this.chart.render();
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// Give the chart a moment to fully initialize before resizing
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await new Promise(resolve => setTimeout(resolve, 100));
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await this.resizeChart();
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}
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public async updated(changedProperties: Map<string, any>) {
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super.updated(changedProperties);
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// Update chart if series data changes
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if (changedProperties.has('series') && this.chart && this.series.length > 0) {
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await this.updateSeries(this.series);
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}
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// Update y-axis formatter if it changes
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if (changedProperties.has('yAxisFormatter') && this.chart) {
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await this.chart.updateOptions({
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yaxis: {
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labels: {
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formatter: this.yAxisFormatter,
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},
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},
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});
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}
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}
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public async updateSeries(newSeries: ApexAxisChartSeries, animate: boolean = true) {
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if (!this.chart) {
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return;
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}
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this.chart.updateSeries(newSeries, animate);
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}
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public async appendData(newData: { data: any[] }[]) {
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if (!this.chart) {
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return;
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}
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// Use ApexCharts' appendData method for smoother real-time updates
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await this.chart.appendData(newData);
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}
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public async updateOptions(options: ApexCharts.ApexOptions, redrawPaths?: boolean, animate?: boolean) {
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if (!this.chart) {
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return;
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}
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return this.chart.updateOptions(options, redrawPaths, animate);
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}
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public async resizeChart() {
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if (!this.chart) {
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return;
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}
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const mainbox: HTMLDivElement = this.shadowRoot.querySelector('.mainbox');
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const chartContainer: HTMLDivElement = this.shadowRoot.querySelector('.chartContainer');
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if (!mainbox || !chartContainer) {
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return;
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}
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// Get computed style of the element
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const styleChartContainer = window.getComputedStyle(chartContainer);
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// Extract padding values
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const paddingTop = parseInt(styleChartContainer.paddingTop, 10);
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const paddingBottom = parseInt(styleChartContainer.paddingBottom, 10);
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const paddingLeft = parseInt(styleChartContainer.paddingLeft, 10);
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const paddingRight = parseInt(styleChartContainer.paddingRight, 10);
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// Calculate the actual width and height to use, subtracting padding
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const actualWidth = mainbox.clientWidth - paddingLeft - paddingRight;
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const actualHeight = mainbox.offsetHeight - paddingTop - paddingBottom;
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await this.chart.updateOptions({
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chart: {
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width: actualWidth,
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height: actualHeight,
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},
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});
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}
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}
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