geomon.viewer/src/common/graphjs/geomon-timeseries-chart/geomon-timeseries-chart.component.ts
Arno Kaimbacher 7f13e31251 - add platform-detail.component
- remove helgoland modules depiction and selector and angular/forms
2021-10-07 16:28:36 +02:00

567 lines
No EOL
21 KiB
TypeScript

import {
Input, Component, AfterViewInit, ViewChild, ElementRef, SimpleChanges, DoCheck, IterableDiffer, IterableDiffers
} from '@angular/core';
// import * as d3 from 'd3';
import { Chart, ChartDataset, registerables } from 'chart.js';
import { GeomonTimeseries, DataConst, GeomonTimeseriesData } from '../../../shared/models/dataset';
import { DatasetApiService } from '../../../app/services/dataset-api.service';
import { DatasetService } from '../../../app/services/dataset.service';
import { Timespan } from '../../../shared/models/timespan';
import { DatasetOptions } from '../../../shared/models/options';
import { TimeService } from '../../core/time/time.service';
import * as moment from 'moment';
// import 'moment-duration-format';
import { TimeValueTuple, Data } from '../../../shared/models/dataset';
import 'chartjs-adapter-moment';
import zoomPlugin from 'chartjs-plugin-zoom';
Chart.register(zoomPlugin);
import { InternalIdHandler, InternalDatasetId } from '../../../common/components/services/internal-id-handler.service';
import { InternalDataEntry } from '../../../shared/models/chart';
// interface Color {
// borderColor: string,
// pointBackgroundColor: string
// }
@Component({
selector: 'geomon-timeseries-chart',
templateUrl: './geomon-timeseries-chart.component.html',
styleUrls: ['./geomon-timeseries-chart.component.scss']
})
export class GeomonTimeseriesChartComponent implements AfterViewInit, DoCheck {
// @ViewChild('geomon_timeseries', { static: true })
// public chartElem: ElementRef;
@ViewChild('chart') private chartElem: ElementRef;
private lineChart: Chart;
/**
* The corresponding dataset options.
*/
@Input()
public datasetOptions: Map<string, DatasetOptions>;
/**
* List of presented dataset ids.
*/
@Input()
public datasetIds: string[] = [];
/**
* List of presented selected dataset ids.
*/
@Input()
public selectedDatasetIds: string[] = [];
/**
* The time interval in which the data should presented.
*/
@Input()
public timeInterval: Timespan;
protected timespan: Timespan;
// data types
protected datasetMap: Map<string, DataConst> = new Map();
protected listOfUoms: string[] = [];
protected preparedData: InternalDataEntry[] = [];
// private loadingData: Set<string> = new Set();
private width: number;
private canvas: HTMLCanvasElement;
private margin = {
top: 10,
right: 10,
bottom: 40,
left: 10
};
private datasetIdsDiffer: IterableDiffer<string>;
private selectedDatasetIdsDiffer: IterableDiffer<string>;
constructor(
protected iterableDiffers: IterableDiffers,
protected datasetIdResolver: InternalIdHandler,
protected datasetApiService: DatasetApiService,
protected timeService: TimeService,
public datasetService: DatasetService<DatasetOptions>,
) {
this.datasetIdsDiffer = this.iterableDiffers.find([]).create();
this.selectedDatasetIdsDiffer = this.iterableDiffers.find([]).create();
}
public ngDoCheck(): void {
const selectedDatasetIdsChanges = this.selectedDatasetIdsDiffer.diff(this.selectedDatasetIds);
if (selectedDatasetIdsChanges) {
selectedDatasetIdsChanges.forEachAddedItem((addedItem) => {
this.setSelectedId(addedItem.item);
});
selectedDatasetIdsChanges.forEachRemovedItem((removedItem) => {
this.removeSelectedId(removedItem.item);
});
}
if(this.datasetOptions){
let test = this.datasetOptions;
}
}
protected setSelectedId(internalId: string): void {
const internalEntry = this.preparedData.find((e) => e.internalId === internalId);
if (internalEntry) { internalEntry.selected = true; }
this.redrawCompleteGraph();
}
protected removeSelectedId(internalId: string): void {
const internalEntry = this.preparedData.find((e) => e.internalId === internalId);
if (internalEntry) { internalEntry.selected = false; }
this.redrawCompleteGraph();
}
ngAfterViewInit(): void {
this.canvas = document.getElementById("line-chart") as HTMLCanvasElement;
// this.drawBars(this.data);
Chart.register(...registerables);
this.initChart();
for (let i = 0; i < this.datasetIds.length; i++) {
let datasetId = this.datasetIds[i];
let datasetOptions = this.datasetOptions.get(datasetId);
// this.internalId = this.internalIdHandler.resolveInternalId(datasetId);
this.addDatasetByInternalId(datasetOptions.internalId);
}
// let firstDatasetId = this.datasetIds[0];
// let dataset = this.datasetOptions.get(firstDatasetId);
// this.addDataset(dataset.id, 'https://geomon.geologie.ac.at/52n-sos-webapp/api/');
}
public ngOnChanges(changes: SimpleChanges): void {
if (changes.timeInterval && this.timeInterval) {
this.timespan = this.timeService.createTimespanOfInterval(this.timeInterval);
// this.timeIntervalChanges();
}
// if (changes.reloadForDatasets && this.reloadForDatasets && this.reloadDataForDatasets.length > 0) {
// this.reloadDataForDatasets(this.reloadForDatasets);
// }
}
public getDataset(internalId: string) {
return this.datasetMap.get(internalId);
}
protected addDatasetByInternalId(internalId: string) {
const internalIdObj = this.datasetIdResolver.resolveInternalId(internalId);
this.addDataset(internalIdObj.id, internalIdObj.url);
}
protected addDataset(id: string, url: string): void {
// this.servicesConnector.getDataset({ id, url }, { locale: this.translateService.currentLang, type: DatasetType.Timeseries }).subscribe(
// res => this.loadAddedDataset(res),
// error => this.errorHandler.handleDatasetLoadError(error)
// );
this.datasetApiService.getDataset(id, url).subscribe({
next: (res: GeomonTimeseries) => this.loadAddedDataset(res),
error: (err: any) => console.error('Observer got an error: ' + err),
complete: () => console.log('HTTP request completed.')
// error => this.errorHandler.handleDatasetLoadError(error)
});
}
private loadAddedDataset(dataset: GeomonTimeseries): void {
this.datasetMap.set(dataset.internalId, dataset);
this.loadDatasetData(dataset, false);
}
// load data of dataset
private loadDatasetData(dataset: GeomonTimeseries, fprce: boolean): void {
// const datasetOptions = this.datasetOptions.get(dataset.internalId);
// https://github.com/52North/helgoland-toolbox/blob/9ff9a42b34cd3deb181d56d76d48eba7c101554e/libs/core/src/lib/api-communication/connectors/dataset-api-v3-connector/dataset-api-v3-connector.ts#L270
const buffer = this.timeService.getBufferedTimespan(this.timespan, 5, moment.duration(1, 'day').asMilliseconds());
this.datasetApiService.getDatasetData(dataset, buffer, {})
.subscribe({
next: (result: GeomonTimeseriesData) => {
this.prepareData(dataset, result);
// this.onCompleteLoadingData(dataset);
let test = result;
},
error: (error) => {
// this.errorHandler.handleDataLoadError(error, dataset);
// this.onCompleteLoadingData(dataset);
}
});
}
/**
* Function to prepare each dataset for the graph and adding it to an array of datasets.
* @param dataset {IDataset} Object of the whole dataset
*/
private prepareData(dataset: GeomonTimeseries, rawdata: GeomonTimeseriesData): void {
if (rawdata instanceof GeomonTimeseriesData) {
// add surrounding entries to the set
if (rawdata.valueBeforeTimespan) { rawdata.values.unshift(rawdata.valueBeforeTimespan); }
if (rawdata.valueAfterTimespan) { rawdata.values.push(rawdata.valueAfterTimespan); }
// const data = this.generalizeData(rawdata, this.width, this.timespan);
let grouped_items = groupBy(rawdata.values, function (b: TimeValueTuple) {
return moment(b[0]).format('YYYY-MM-DD');
});
// Object.keys(grouped_items).forEach(function (value: any, key: string) {
for (let [key, value] of grouped_items) {
// grouped_items[key] = findMinMax(grouped_items.get(key));
// let test = grouped_items.get(key);
let reducedValues = findMinMax(grouped_items.get(key));
let ar = new Array<TimeValueTuple>(reducedValues.min);
// ar.push(reducedValues.min, reducedValues.max);
grouped_items.set(key, ar);
}
function groupBy(list: Array<[number, number]>, keyGetter: any): Map<string, TimeValueTuple[]> {
const map = new Map();
list.forEach((item: any) => {
const key = keyGetter(item);
const collection = map.get(key);
if (!collection) {
map.set(key, [item]);
} else {
collection.push(item);
}
});
return map;
}
function findMinMax(values: TimeValueTuple[]) {
var res = { min: values[0], max: values[0] };
values.forEach(function (val: [number, number]) {
res.min = val[0] < res.min[0] ? val : res.min;
res.max = val[0] > res.max[0] ? val : res.max;
});
return res;
}
let values = Array.from( grouped_items.values() );
values = [].concat(...values);
let xLabels = values.map(function (label) {
let date = moment(label[0]).format("DD/MM HH:mm");
return date;
});
// console.log(values);
// this.datasetMap.get(dataset.internalId).data = data;
this.addData(this.lineChart, dataset, rawdata, xLabels);
}
}
public generalizeData(data: GeomonTimeseriesData, imageWidth: number, timespan: Timespan): Data<TimeValueTuple> {
if (data.values.length > imageWidth && data.values.length > 0) {
const duration = timespan.to - timespan.from;
const dataduration = data.values[data.values.length - 1][0] - data.values[0][0];
const factor = duration / dataduration;
const realWidth = imageWidth / factor;
const modulo = 1 / (data.values.length / realWidth);
const generalizedData = {
values: data.values.filter((v, i) => i % Math.round(modulo) === 0),
referenceValues: data.referenceValues
};
console.log(`reduce from ${data.values.length} to ${generalizedData.values.length}`);
return generalizedData;
}
return data;
}
private addData(chart: Chart, dataset: GeomonTimeseries, data: GeomonTimeseriesData, xLabels: string[]): void {
let labels = data.values.map(function (label) {
let date = moment(label[0]).format("YYYY-MM-DD HH:mm");
return date;
});
let values = data.values.map(function (value) {
return value[1];
});
chart.data.labels = labels;
// chart.data.datasets.forEach((dataset) => {
// dataset.data.push(data);
// });
let letters = '0123456789ABCDEF'.split('');
let color = '#';
for (let i = 0; i < 6; i++) {
color += letters[Math.floor(Math.random() * 16)];
}
const datasetIdx = this.preparedData.findIndex((e) => e.internalId === dataset.internalId);
let datasetOptions = this.datasetOptions.get(dataset.internalId);
datasetOptions.color = color;
let dataEntry: InternalDataEntry = {
internalId: dataset.internalId,
selected: this.selectedDatasetIds.indexOf(dataset.internalId) >= 0,
// data: datasetOptions.visible ? data.values.map(d => ({ timestamp: d[0], value: d[1] })) : [],
data: values,
options: datasetOptions,
axisOptions: {
uom: dataset.uom,
label: dataset.label,
// zeroBased: datasetOptions.zeroBasedYAxis,
// yAxisRange: options.yAxisRange,
// autoRangeSelection: datasetOptions.autoRangeSelection,
// separateYAxis: datasetOptions.separateYAxis,
parameters: {
feature: dataset.parameters.feature,
phenomenon: dataset.parameters.phenomenon,
offering: dataset.parameters.offering
}
},
referenceValueData: [],
visible: datasetOptions.visible,
// bar: barConfig
};
if (datasetIdx >= 0) {
this.preparedData[datasetIdx] = dataEntry;
} else {
this.preparedData.push(dataEntry);
}
this.processData(dataEntry);
// this.redrawCompleteGraph();
// var newDataset = {
// label: dataEntry.axisOptions.label,
// selected: dataEntry.selected,
// backgroundColor: color,
// borderColor: color,
// borderWidth: 1,
// data: values,
// }
// // You add the newly created dataset to the list of `data`
// chart.data.datasets.push(newDataset);
// chart.options.scales.x.ticks.callback = (val, index) => {
// // // Hide the label of every 2nd dataset
// // return xLabels.includes(val.toString()) ? val : null;
// // return index % 2 === 0 ? (val) : '';
// let valTime = moment(val, "DD/MM HH:mm").format("HH:mm");
// if (valTime == "08:00" || valTime == "18:00"){
// return val;
// } else {
// return null;
// }
// }
// chart.options.scales.y.ticks.callback = (value, index, values) => {
// return value + '°';
// }
chart.update();
this.width = this.calculateWidth();
}
private processData(dataEntry: InternalDataEntry, datasetIndex?: number): void {
let dataset: ChartDataset;
if (datasetIndex != null) {
dataset = this.lineChart.data.datasets[datasetIndex];
dataset.label = dataEntry.axisOptions.label;
dataset.borderWidth = dataEntry.selected ? 4 : 1;
// dataset.hidden = dataEntry.selected;
} else {
dataset = {
label: dataEntry.axisOptions.label,
// selected: dataEntry.selected,
// backgroundColor: 'rgba(99, 255, 132, 0.2)',
backgroundColor: dataEntry.options.color,
borderColor: dataEntry.options.color, //'rgba(99, 255, 132, 1)',
borderWidth: 1,
data: dataEntry.data,
};
this.lineChart.data.datasets.push(dataset);
}
// You add the newly created dataset to the list of `data`
// this.lineChart.data.datasets.push(newDataset);
this.lineChart.options.scales.x.ticks.callback = (val, index) => {
// // Hide the label of every 2nd dataset
// return xLabels.includes(val.toString()) ? val : null;
// return index % 2 === 0 ? (val) : '';
let valTime = moment(val, "DD/MM HH:mm").format("HH:mm");
if (valTime == "08:00" || valTime == "18:00"){
return val;
} else {
return null;
}
}
this.lineChart.options.scales.y.ticks.callback = (value, index, values) => {
return value + '°';
}
}
private redrawCompleteGraph(): void {
this.preparedData.forEach((dataEntry: InternalDataEntry, index) => {
this.processData(dataEntry, index);
});
this.lineChart.update();
}
private initChart(): void {
this.lineChart = new Chart(this.chartElem.nativeElement, {
type: 'line',
data: {
// labels: [1500, 1600, 1700, 1750, 1800, 1850, 1900, 1950, 1999, 2050],
labels: [],
datasets: [
// {
// data: [86, 114, 106, 106, 107, 111, 133, 221, 783, 2478],
// label: "Africa",
// borderColor: "#3e95cd",
// fill: false
// }, {
// data: [282, 350, 411, 502, 635, 809, 947, 1402, 3700, 5267],
// label: "Asia",
// borderColor: "#8e5ea2",
// fill: false
// }, {
// data: [168, 170, 178, 190, 203, 276, 408, 547, 675, 734],
// label: "Europe",
// borderColor: "#3cba9f",
// fill: false
// }, {
// data: [40, 20, 10, 16, 24, 38, 74, 167, 508, 784],
// label: "Latin America",
// borderColor: "#e8c3b9",
// fill: false
// }, {
// data: [6, 3, 2, 2, 7, 26, 82, 172, 312, 433],
// label: "North America",
// borderColor: "#c45850",
// fill: false
// }
]
},
options: {
responsive: true,
maintainAspectRatio: false,
plugins: {
zoom: {
pan: {
enabled: true
},
zoom: {
wheel: {
enabled: true,
},
pinch: {
enabled: true
},
mode: 'xy',
}
},
legend: {
display: false
}
},
scales: {
y: {
suggestedMin: 0, // minimum will be 0, unless there is a lower value.
// OR //
beginAtZero: true // minimum value will be 0.
},
x: {
type: 'time',
time: {
unit: 'minute',
displayFormats: {
minute: "DD/MM HH:mm",
hour: "DD/MM HH:mm",
day: "dd/MM",
week: "dd/MM",
month: "MMMM yyyy",
quarter: 'MMMM yyyy',
year: "yyyy",
}
},
ticks: {
// callback: function(val, index) {
// // Hide the label of every 2nd dataset
// return index % 2 === 0 ? (val) : '';
// },
// autoSkip: true,
// maxRotation: 0,
// minRotation: 0
}
}
},
}
// options: {
// title: {
// display: true,
// text: 'World population per region (in millions)'
// }
// }
});
// this.width = this.calculateWidth() - 20; // add buffer to the left to garantee visualization of last date (tick x-axis)
}
/**
* Function to generate uuid for a diagram
*/
private uuidv4(): string {
return this.s4() + this.s4() + '-' + this.s4() + '-' + this.s4() + '-' + this.s4() + '-' + this.s4() + this.s4() + this.s4();
}
/**
* Function to generate components of the uuid for a diagram
*/
private s4(): string {
return Math.floor((1 + Math.random()) * 0x10000)
.toString(16)
.substring(1);
}
/**
* Function that returns the width of the graph diagram.
*/
private calculateWidth(): number {
return this.canvas.width - this.margin.left - this.margin.right;
}
}