@swimlane/ngx-charts
Version:
Declarative Charting Framework for Angular
182 lines • 20.5 kB
JavaScript
import { isPlatformBrowser, isPlatformServer } from '@angular/common';
import { Component, Input, Output, EventEmitter, PLATFORM_ID, Inject } from '@angular/core';
import { fromEvent as observableFromEvent } from 'rxjs';
import { debounceTime } from 'rxjs/operators';
import { VisibilityObserver } from '../utils/visibility-observer';
import { isDate } from '../utils/types';
import { ScaleType } from './types/scale-type.enum';
import * as i0 from "@angular/core";
export class BaseChartComponent {
constructor(chartElement, zone, cd, platformId) {
this.chartElement = chartElement;
this.zone = zone;
this.cd = cd;
this.platformId = platformId;
this.scheme = 'cool';
this.schemeType = ScaleType.Ordinal;
this.animations = true;
this.select = new EventEmitter();
}
ngOnInit() {
if (isPlatformServer(this.platformId)) {
this.animations = false;
}
}
ngAfterViewInit() {
this.bindWindowResizeEvent();
// listen for visibility of the element for hidden by default scenario
this.visibilityObserver = new VisibilityObserver(this.chartElement, this.zone);
this.visibilityObserver.visible.subscribe(this.update.bind(this));
}
ngOnDestroy() {
this.unbindEvents();
if (this.visibilityObserver) {
this.visibilityObserver.visible.unsubscribe();
this.visibilityObserver.destroy();
}
}
ngOnChanges(changes) {
this.update();
}
update() {
if (this.results) {
this.results = this.cloneData(this.results);
}
else {
this.results = [];
}
if (this.view) {
this.width = this.view[0];
this.height = this.view[1];
}
else {
const dims = this.getContainerDims();
if (dims) {
this.width = dims.width;
this.height = dims.height;
}
}
// default values if width or height are 0 or undefined
if (!this.width) {
this.width = 600;
}
if (!this.height) {
this.height = 400;
}
this.width = Math.floor(this.width);
this.height = Math.floor(this.height);
if (this.cd) {
this.cd.markForCheck();
}
}
getContainerDims() {
let width;
let height;
const hostElem = this.chartElement.nativeElement;
if (isPlatformBrowser(this.platformId) && hostElem.parentNode !== null) {
// Get the container dimensions
const dims = hostElem.parentNode.getBoundingClientRect();
width = dims.width;
height = dims.height;
}
if (width && height) {
return { width, height };
}
return null;
}
/**
* Converts all date objects that appear as name
* into formatted date strings
*/
formatDates() {
for (let i = 0; i < this.results.length; i++) {
const g = this.results[i];
g.label = g.name;
if (isDate(g.label)) {
g.label = g.label.toLocaleDateString();
}
if (g.series) {
for (let j = 0; j < g.series.length; j++) {
const d = g.series[j];
d.label = d.name;
if (isDate(d.label)) {
d.label = d.label.toLocaleDateString();
}
}
}
}
}
unbindEvents() {
if (this.resizeSubscription) {
this.resizeSubscription.unsubscribe();
}
}
bindWindowResizeEvent() {
if (!isPlatformBrowser(this.platformId)) {
return;
}
const source = observableFromEvent(window, 'resize');
const subscription = source.pipe(debounceTime(200)).subscribe(e => {
this.update();
if (this.cd) {
this.cd.markForCheck();
}
});
this.resizeSubscription = subscription;
}
/**
* Clones the data into a new object
*
* @memberOf BaseChart
*/
cloneData(data) {
const results = [];
for (const item of data) {
const copy = {
name: item['name']
};
if (item['value'] !== undefined) {
copy['value'] = item['value'];
}
if (item['series'] !== undefined) {
copy['series'] = [];
for (const seriesItem of item['series']) {
const seriesItemCopy = Object.assign({}, seriesItem);
copy['series'].push(seriesItemCopy);
}
}
if (item['extra'] !== undefined) {
copy['extra'] = JSON.parse(JSON.stringify(item['extra']));
}
results.push(copy);
}
return results;
}
}
BaseChartComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.1.0", ngImport: i0, type: BaseChartComponent, deps: [{ token: i0.ElementRef }, { token: i0.NgZone }, { token: i0.ChangeDetectorRef }, { token: PLATFORM_ID }], target: i0.ɵɵFactoryTarget.Component });
BaseChartComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "13.1.0", type: BaseChartComponent, selector: "base-chart", inputs: { results: "results", view: "view", scheme: "scheme", schemeType: "schemeType", customColors: "customColors", animations: "animations" }, outputs: { select: "select" }, usesOnChanges: true, ngImport: i0, template: ` <div></div> `, isInline: true });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.1.0", ngImport: i0, type: BaseChartComponent, decorators: [{
type: Component,
args: [{
selector: 'base-chart',
template: ` <div></div> `
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.NgZone }, { type: i0.ChangeDetectorRef }, { type: undefined, decorators: [{
type: Inject,
args: [PLATFORM_ID]
}] }]; }, propDecorators: { results: [{
type: Input
}], view: [{
type: Input
}], scheme: [{
type: Input
}], schemeType: [{
type: Input
}], customColors: [{
type: Input
}], animations: [{
type: Input
}], select: [{
type: Output
}] } });
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{ isPlatformBrowser, isPlatformServer } from '@angular/common';\nimport {\n  ElementRef,\n  NgZone,\n  ChangeDetectorRef,\n  Component,\n  Input,\n  Output,\n  EventEmitter,\n  AfterViewInit,\n  OnDestroy,\n  OnChanges,\n  SimpleChanges,\n  PLATFORM_ID,\n  Inject\n} from '@angular/core';\n\nimport { fromEvent as observableFromEvent } from 'rxjs';\nimport { debounceTime } from 'rxjs/operators';\nimport { VisibilityObserver } from '../utils/visibility-observer';\nimport { isDate } from '../utils/types';\nimport { Color } from '../utils/color-sets';\nimport { ScaleType } from './types/scale-type.enum';\nimport { ViewDimensions } from './types/view-dimension.interface';\n\n@Component({\n  selector: 'base-chart',\n  template: ` <div></div> `\n})\nexport class BaseChartComponent implements OnChanges, AfterViewInit, OnDestroy {\n  @Input() results: any;\n  @Input() view: [number, number];\n  @Input() scheme: string | Color = 'cool';\n  @Input() schemeType: ScaleType = ScaleType.Ordinal;\n  @Input() customColors: any;\n  @Input() animations: boolean = true;\n\n  @Output() select = new EventEmitter();\n\n  width: number;\n  height: number;\n  resizeSubscription: any;\n  visibilityObserver: VisibilityObserver;\n\n  constructor(\n    protected chartElement: ElementRef,\n    protected zone: NgZone,\n    protected cd: ChangeDetectorRef,\n    @Inject(PLATFORM_ID) public platformId: any\n  ) {}\n\n  ngOnInit() {\n    if (isPlatformServer(this.platformId)) {\n      this.animations = false;\n    }\n  }\n\n  ngAfterViewInit(): void {\n    this.bindWindowResizeEvent();\n\n    // listen for visibility of the element for hidden by default scenario\n    this.visibilityObserver = new VisibilityObserver(this.chartElement, this.zone);\n    this.visibilityObserver.visible.subscribe(this.update.bind(this));\n  }\n\n  ngOnDestroy(): void {\n    this.unbindEvents();\n    if (this.visibilityObserver) {\n      this.visibilityObserver.visible.unsubscribe();\n      this.visibilityObserver.destroy();\n    }\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    this.update();\n  }\n\n  update(): void {\n    if (this.results) {\n      this.results = this.cloneData(this.results);\n    } else {\n      this.results = [];\n    }\n\n    if (this.view) {\n      this.width = this.view[0];\n      this.height = this.view[1];\n    } else {\n      const dims = this.getContainerDims();\n      if (dims) {\n        this.width = dims.width;\n        this.height = dims.height;\n      }\n    }\n\n    // default values if width or height are 0 or undefined\n    if (!this.width) {\n      this.width = 600;\n    }\n\n    if (!this.height) {\n      this.height = 400;\n    }\n\n    this.width = Math.floor(this.width);\n    this.height = Math.floor(this.height);\n\n    if (this.cd) {\n      this.cd.markForCheck();\n    }\n  }\n\n  getContainerDims(): ViewDimensions {\n    let width;\n    let height;\n    const hostElem = this.chartElement.nativeElement;\n\n    if (isPlatformBrowser(this.platformId) && hostElem.parentNode !== null) {\n      // Get the container dimensions\n      const dims = hostElem.parentNode.getBoundingClientRect();\n      width = dims.width;\n      height = dims.height;\n    }\n\n    if (width && height) {\n      return { width, height };\n    }\n\n    return null;\n  }\n\n  /**\n   * Converts all date objects that appear as name\n   * into formatted date strings\n   */\n  formatDates(): void {\n    for (let i = 0; i < this.results.length; i++) {\n      const g = this.results[i];\n      g.label = g.name;\n      if (isDate(g.label)) {\n        g.label = g.label.toLocaleDateString();\n      }\n\n      if (g.series) {\n        for (let j = 0; j < g.series.length; j++) {\n          const d = g.series[j];\n          d.label = d.name;\n          if (isDate(d.label)) {\n            d.label = d.label.toLocaleDateString();\n          }\n        }\n      }\n    }\n  }\n\n  protected unbindEvents(): void {\n    if (this.resizeSubscription) {\n      this.resizeSubscription.unsubscribe();\n    }\n  }\n\n  private bindWindowResizeEvent(): void {\n    if (!isPlatformBrowser(this.platformId)) {\n      return;\n    }\n\n    const source = observableFromEvent(window, 'resize');\n    const subscription = source.pipe(debounceTime(200)).subscribe(e => {\n      this.update();\n      if (this.cd) {\n        this.cd.markForCheck();\n      }\n    });\n    this.resizeSubscription = subscription;\n  }\n\n  /**\n   * Clones the data into a new object\n   *\n   * @memberOf BaseChart\n   */\n  private cloneData(data): any {\n    const results = [];\n\n    for (const item of data) {\n      const copy = {\n        name: item['name']\n      };\n\n      if (item['value'] !== undefined) {\n        copy['value'] = item['value'];\n      }\n\n      if (item['series'] !== undefined) {\n        copy['series'] = [];\n        for (const seriesItem of item['series']) {\n          const seriesItemCopy = Object.assign({}, seriesItem);\n          copy['series'].push(seriesItemCopy);\n        }\n      }\n\n      if (item['extra'] !== undefined) {\n        copy['extra'] = JSON.parse(JSON.stringify(item['extra']));\n      }\n\n      results.push(copy);\n    }\n\n    return results;\n  }\n}\n"]}