FarmMapsLib/projects/ng-openlayers/src/lib/sources/osm.component.ts

63 lines
1.8 KiB
TypeScript

import { AfterContentInit, Component, EventEmitter, forwardRef, Host, Input, Optional, Output } from '@angular/core';
import { OSM } from 'ol/source';
import { AttributionLike } from 'ol/source/Source';
import { TileSourceEvent } from 'ol/source/Tile';
import { LoadFunction } from 'ol/Tile';
import { LayerTileComponent } from '../layers/layertile.component';
import { SourceComponent } from './source.component';
import { SourceXYZComponent } from './xyz.component';
@Component({
selector: 'aol-source-osm',
template: ` <div class="aol-source-osm"></div> `,
providers: [{ provide: SourceComponent, useExisting: forwardRef(() => SourceOsmComponent) }],
})
export class SourceOsmComponent extends SourceXYZComponent implements AfterContentInit {
@Input()
attributions: AttributionLike;
@Input()
cacheSize: number;
@Input()
crossOrigin: string;
@Input()
maxZoom: number;
@Input()
opaque: boolean;
@Input()
reprojectionErrorThreshold: number;
@Input()
tileLoadFunction: LoadFunction;
@Input()
url: string;
@Input()
wrapX: boolean;
@Output()
tileLoadStart = new EventEmitter<TileSourceEvent>();
@Output()
tileLoadEnd = new EventEmitter<TileSourceEvent>();
@Output()
tileLoadError = new EventEmitter<TileSourceEvent>();
instance: OSM;
constructor(
@Optional()
@Host()
protected layer?: LayerTileComponent
) {
super(layer);
}
ngAfterContentInit() {
if (this.tileGridXYZ) {
this.tileGrid = this.tileGridXYZ.instance;
}
this.instance = new OSM(this);
this.instance.on('tileloadstart', (event: TileSourceEvent) => this.tileLoadStart.emit(event));
this.instance.on('tileloadend', (event: TileSourceEvent) => this.tileLoadEnd.emit(event));
this.instance.on('tileloaderror', (event: TileSourceEvent) => this.tileLoadError.emit(event));
this.register(this.instance);
}
}