mirror of https://github.com/ghostfolio/ghostfolio
Thomas Kaul
1 year ago
10 changed files with 217 additions and 3 deletions
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export * from './treemap-chart.component'; |
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@if (isLoading) { |
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<ngx-skeleton-loader |
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animation="pulse" |
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class="h-100" |
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[theme]="{ |
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height: '100%' |
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}" |
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/> |
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} |
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<canvas |
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#chartCanvas |
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[ngStyle]="{ display: isLoading ? 'none' : 'block' }" |
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></canvas> |
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:host { |
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aspect-ratio: 16 / 9; |
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display: block; |
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} |
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import { getLocale } from '@ghostfolio/common/helper'; |
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import { PortfolioPosition, UniqueAsset } from '@ghostfolio/common/interfaces'; |
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|
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import { CommonModule } from '@angular/common'; |
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import { |
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AfterViewInit, |
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ChangeDetectionStrategy, |
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Component, |
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ElementRef, |
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EventEmitter, |
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Input, |
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OnChanges, |
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OnDestroy, |
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Output, |
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ViewChild |
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} from '@angular/core'; |
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import { DataSource } from '@prisma/client'; |
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import { ChartConfiguration } from 'chart.js'; |
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import { LinearScale } from 'chart.js'; |
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import { Chart } from 'chart.js'; |
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import { TreemapController, TreemapElement } from 'chartjs-chart-treemap'; |
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import { NgxSkeletonLoaderModule } from 'ngx-skeleton-loader'; |
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|
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const { gray, green, red } = require('open-color'); |
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|
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@Component({ |
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changeDetection: ChangeDetectionStrategy.OnPush, |
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imports: [CommonModule, NgxSkeletonLoaderModule], |
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selector: 'gf-treemap-chart', |
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standalone: true, |
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styleUrls: ['./treemap-chart.component.scss'], |
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templateUrl: './treemap-chart.component.html' |
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}) |
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export class GfTreemapChartComponent |
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implements AfterViewInit, OnChanges, OnDestroy |
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{ |
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@Input() baseCurrency: string; |
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@Input() cursor: string; |
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@Input() holdings: PortfolioPosition[]; |
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@Input() isInPercent = false; |
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@Input() locale = getLocale(); |
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|
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@Output() treemapChartClicked = new EventEmitter<UniqueAsset>(); |
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|
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@ViewChild('chartCanvas') chartCanvas: ElementRef<HTMLCanvasElement>; |
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public chart: Chart<'treemap'>; |
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public isLoading = true; |
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|
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public constructor() { |
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Chart.register(LinearScale, TreemapController, TreemapElement); |
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} |
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|
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public ngAfterViewInit() { |
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if (this.holdings) { |
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this.initialize(); |
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} |
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} |
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|
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public ngOnChanges() { |
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if (this.holdings) { |
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this.initialize(); |
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} |
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} |
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|
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public ngOnDestroy() { |
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this.chart?.destroy(); |
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} |
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|
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private initialize() { |
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this.isLoading = true; |
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|
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const data: ChartConfiguration['data'] = <any>{ |
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datasets: [ |
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{ |
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backgroundColor(ctx) { |
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const netPerformancePercentWithCurrencyEffect = |
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ctx.raw._data.netPerformancePercentWithCurrencyEffect; |
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|
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if (netPerformancePercentWithCurrencyEffect > 0.03) { |
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return green[9]; |
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} else if (netPerformancePercentWithCurrencyEffect > 0.02) { |
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return green[7]; |
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} else if (netPerformancePercentWithCurrencyEffect > 0.01) { |
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return green[5]; |
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} else if (netPerformancePercentWithCurrencyEffect > 0) { |
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return green[3]; |
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} else if (netPerformancePercentWithCurrencyEffect === 0) { |
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return gray[3]; |
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} else if (netPerformancePercentWithCurrencyEffect > -0.01) { |
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return red[3]; |
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} else if (netPerformancePercentWithCurrencyEffect > -0.02) { |
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return red[5]; |
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} else if (netPerformancePercentWithCurrencyEffect > -0.03) { |
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return red[7]; |
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} else { |
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return red[9]; |
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} |
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}, |
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key: 'allocationInPercentage', |
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labels: { |
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align: 'left', |
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color: ['white'], |
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display: true, |
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font: [{ size: 16, weight: 'bold' }, { size: 12 }], |
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formatter(ctx) { |
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const netPerformancePercentWithCurrencyEffect = |
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ctx.raw._data.netPerformancePercentWithCurrencyEffect; |
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|
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return [ |
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ctx.raw._data.name, |
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ctx.raw._data.symbol, |
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`${netPerformancePercentWithCurrencyEffect > 0 ? '+' : ''}${(ctx.raw._data.netPerformancePercentWithCurrencyEffect * 100).toFixed(2)}%` |
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]; |
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}, |
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position: 'top' |
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}, |
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spacing: 1, |
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tree: this.holdings |
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} |
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] |
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}; |
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|
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if (this.chartCanvas) { |
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if (this.chart) { |
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this.chart.data = data; |
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this.chart.update(); |
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} else { |
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this.chart = new Chart(this.chartCanvas.nativeElement, { |
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data, |
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options: <unknown>{ |
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animation: false, |
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onClick: (event, activeElements) => { |
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try { |
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const dataIndex = activeElements[0].index; |
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|
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const dataSource: DataSource = |
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event.chart.data.datasets[0].tree[dataIndex].dataSource; |
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const symbol: string = |
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event.chart.data.datasets[0].tree[dataIndex].symbol; |
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this.treemapChartClicked.emit({ dataSource, symbol }); |
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} catch {} |
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}, |
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onHover: (event, chartElement) => { |
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if (this.cursor) { |
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event.native.target.style.cursor = chartElement[0] |
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? this.cursor |
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: 'default'; |
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} |
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} |
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}, |
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type: 'treemap' |
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}); |
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} |
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} |
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this.isLoading = false; |
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} |
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} |
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