FarmMapsLib/projects/common-map/src/fm-map/components/aol/layer-values/layer-values.component.ts

63 lines
2.2 KiB
TypeScript

import { Component, OnInit,Input,ViewChild,ElementRef,AfterViewInit } from '@angular/core';
import {IItemLayer} from '../../../models/item.layer';
import { Store } from '@ngrx/store';
import * as mapReducers from '../../../reducers/map.reducer';
import * as mapActions from '../../../actions/map.actions';
import { MapComponent } from 'ngx-openlayers';
import { ILayervalue } from '../../../models/layer.value';
import { Observable,interval,Subject } from 'rxjs';
import { debounce, throttle } from 'rxjs/operators';
import { toLonLat } from 'ol/proj';
import { toStringHDMS } from 'ol/coordinate';
import { ClipboardService } from 'ngx-clipboard'
import {GeoJSON,WKT} from 'ol/format';
import { Point } from 'ol/geom';
@Component({
selector: 'fm-map-layer-values',
templateUrl: './layer-values.component.html',
styleUrls: ['./layer-values.component.scss']
})
export class LayerValuesComponent implements OnInit,AfterViewInit {
@ViewChild('layerValues') containerRef:ElementRef;
offsetX$ =0;
offsetY$ =0;
lonlat$="";
wkt$= "";
layerValues$:Observable<Array<ILayervalue>> = this.store.select(mapReducers.selectGetLayerValues);
enabled$:Observable<boolean> = this.store.select(mapReducers.selectGetLayerValuesEnabled);
wktFormat$:WKT;
constructor( private store: Store<mapReducers.State>,private map: MapComponent,private clipboardService$:ClipboardService) {
this.wktFormat$=new WKT();
}
ngOnInit(): void {
}
moveEndSubject = new Subject<any>();
ngAfterViewInit():void {
this.offsetY$ = this.containerRef.nativeElement.offsetTop;
this.offsetX$ = this.containerRef.nativeElement.offsetLeft;
this.map.instance.on('moveend', () => {
this.moveEndSubject.next({});
});
this.moveEndSubject.pipe(throttle(ev => interval(100))).subscribe(() => this.updateValuesLocation());
}
updateValuesLocation() {
const xy = this.map.instance.getCoordinateFromPixel([this.offsetX$,this.offsetY$])
const lonlat = toLonLat(xy);
this.wkt$ = this.wktFormat$.writeGeometry(new Point(lonlat))
this.lonlat$ = toStringHDMS(lonlat);
this.store.dispatch(new mapActions.SetLayerValuesLocation(xy[0],xy[1]));
}
copyToClipboard() {
this.clipboardService$.copy(this.wkt$);
}
}