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

118 lines
3.0 KiB
TypeScript

import {
Component,
Host,
Input,
forwardRef,
AfterContentInit,
ContentChild,
SimpleChanges,
OnChanges,
Output,
EventEmitter,
} from '@angular/core';
import { LayerTileComponent } from '../layers/layertile.component';
import { SourceComponent } from './source.component';
import { TileGridWMTSComponent } from '../tilegridwmts.component';
import { WMTS as SourceWMTS } from 'ol/source';
import WMTS from 'ol/tilegrid/WMTS';
import { ProjectionLike } from 'ol/proj';
import { LoadFunction } from 'ol/Tile';
import { TileSourceEvent } from 'ol/source/Tile';
import { RequestEncoding } from 'ol/source/WMTS';
@Component({
selector: 'aol-source-tilewmts',
template: ` <ng-content></ng-content> `,
providers: [{ provide: SourceComponent, useExisting: forwardRef(() => SourceTileWMTSComponent) }],
})
export class SourceTileWMTSComponent extends SourceComponent implements AfterContentInit, OnChanges {
@Input()
cacheSize?: number;
@Input()
crossOrigin?: string;
@Input()
tileGrid: WMTS;
@Input()
projection: ProjectionLike;
@Input()
reprojectionErrorThreshold?: number;
@Input()
requestEncoding?: RequestEncoding | undefined;
@Input()
layer: string;
@Input()
style: string;
@Input()
tileClass?: any;
@Input()
tilePixelRatio?: number;
@Input()
version?: string;
@Input()
format?: string;
@Input()
matrixSet: string;
@Input()
dimensions?: any;
@Input()
url?: string;
@Input()
tileLoadFunction?: LoadFunction;
@Input()
urls?: string[];
@Input()
wrapX?: boolean;
@Output()
tileLoadStart = new EventEmitter<TileSourceEvent>();
@Output()
tileLoadEnd = new EventEmitter<TileSourceEvent>();
@Output()
tileLoadError = new EventEmitter<TileSourceEvent>();
@ContentChild(TileGridWMTSComponent, { static: false })
tileGridWMTS: TileGridWMTSComponent;
instance: SourceWMTS;
constructor(@Host() layer: LayerTileComponent) {
super(layer);
}
ngOnChanges(changes: SimpleChanges) {
const properties: { [index: string]: any } = {};
if (!this.instance) {
return;
}
for (const key in changes) {
if (changes.hasOwnProperty(key)) {
switch (key) {
case 'url':
this.url = changes[key].currentValue;
this.setLayerSource();
break;
default:
break;
}
properties[key] = changes[key].currentValue;
}
}
this.instance.setProperties(properties, false);
}
setLayerSource(): void {
this.instance = new SourceWMTS(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.host.instance.setSource(this.instance);
}
ngAfterContentInit(): void {
if (this.tileGridWMTS) {
this.tileGrid = this.tileGridWMTS.instance;
this.setLayerSource();
}
}
}