FarmMapsLib/projects/ng-openlayers/src/lib/feature.component.ts

36 lines
888 B
TypeScript

import { Component, OnInit, OnDestroy, OnChanges, Input, SimpleChanges } from '@angular/core';
import { Feature } from 'ol';
import { SourceVectorComponent } from './sources/vector.component';
@Component({
selector: 'aol-feature',
template: ` <ng-content></ng-content> `,
})
export class FeatureComponent implements OnInit, OnDestroy, OnChanges {
@Input()
id: string | number | undefined;
public componentType = 'feature';
public instance: Feature;
constructor(private host: SourceVectorComponent) {}
ngOnInit() {
this.instance = new Feature();
if (this.id !== undefined) {
this.instance.setId(this.id);
}
this.host.instance.addFeature(this.instance);
}
ngOnDestroy() {
this.host.instance.removeFeature(this.instance);
}
ngOnChanges(changes: SimpleChanges) {
if (this.instance) {
this.instance.setId(this.id);
}
}
}