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

58 lines
1.4 KiB
TypeScript

import { Component, Input, AfterContentInit, OnChanges, SimpleChanges, OnDestroy } from '@angular/core';
import { Graticule } from 'ol';
import { Stroke } from 'ol/style';
import { MapComponent } from './map.component';
@Component({
selector: 'aol-graticule',
template: '<ng-content></ng-content>',
})
export class GraticuleComponent implements AfterContentInit, OnChanges, OnDestroy {
@Input()
strokeStyle: Stroke;
@Input()
showLabels: boolean;
@Input()
lonLabelPosition: number;
@Input()
latLabelPosition: number;
instance: any;
public componentType = 'graticule';
constructor(private map: MapComponent) {}
ngOnChanges(changes: SimpleChanges) {
const properties: { [index: string]: any } = {};
if (!this.instance) {
return;
}
for (const key in changes) {
if (changes.hasOwnProperty(key)) {
properties[key] = changes[key].currentValue;
}
}
if (properties) {
this.instance = new Graticule(properties);
}
this.instance.setMap(this.map.instance);
}
ngAfterContentInit(): void {
this.instance = new Graticule({
strokeStyle: this.strokeStyle,
showLabels: this.showLabels,
lonLabelPosition: this.lonLabelPosition,
latLabelPosition: this.latLabelPosition,
});
this.instance.setMap(this.map.instance);
}
ngOnDestroy(): void {
this.instance.setMap(null);
}
}