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

51 lines
1.2 KiB
TypeScript

import { Component, ContentChild, Input, OnDestroy, OnInit } from '@angular/core';
import { MapComponent } from './map.component';
import Overlay, { PanOptions, Positioning } from 'ol/Overlay';
import { ContentComponent } from './content.component';
@Component({
selector: 'aol-overlay',
template: '<ng-content></ng-content>',
})
export class OverlayComponent implements OnInit, OnDestroy {
@ContentChild(ContentComponent, { static: true })
content: ContentComponent;
@Input()
id: number | string;
@Input()
offset: number[];
@Input()
positioning: Positioning;
@Input()
stopEvent: boolean;
@Input()
insertFirst: boolean;
@Input()
autoPan: boolean;
@Input()
autoPanAnimation: PanOptions;
@Input()
autoPanMargin: number;
componentType = 'overlay';
instance: Overlay;
element: HTMLElement;
constructor(private map: MapComponent) {}
ngOnInit() {
if (this.content) {
this.element = this.content.elementRef.nativeElement;
this.instance = new Overlay(this);
this.map.instance.addOverlay(this.instance);
}
}
ngOnDestroy() {
if (this.instance) {
this.map.instance.removeOverlay(this.instance);
}
}
}