FarmMapsLib/projects/ngx-openlayers/src/lib/interactions/translate.component.ts

57 lines
1.9 KiB
TypeScript

import { Component, EventEmitter, Input, OnDestroy, OnInit, Output } from '@angular/core';
import { Collection, Feature } from 'ol';
import { Translate } from 'ol/interaction';
import { TranslateEvent } from 'ol/interaction/Translate';
import { Layer } from 'ol/layer';
import { MapComponent } from '../map.component';
@Component({
selector: 'aol-interaction-translate',
template: '',
})
export class TranslateInteractionComponent implements OnInit, OnDestroy {
@Input()
features?: Collection<Feature>;
@Input()
layers?: Layer[] | ((layer: Layer) => boolean);
@Input()
hitTolerance?: number;
@Output()
olChange: EventEmitter<TranslateEvent>;
@Output()
propertyChange: EventEmitter<TranslateEvent>;
@Output()
translateEnd: EventEmitter<TranslateEvent>;
@Output()
translateStart: EventEmitter<TranslateEvent>;
@Output()
translating: EventEmitter<TranslateEvent>;
instance: Translate;
constructor(private map: MapComponent) {
this.olChange = new EventEmitter<TranslateEvent>();
this.propertyChange = new EventEmitter<TranslateEvent>();
this.translateEnd = new EventEmitter<TranslateEvent>();
this.translateStart = new EventEmitter<TranslateEvent>();
this.translating = new EventEmitter<TranslateEvent>();
}
ngOnInit() {
this.instance = new Translate(this);
this.instance.on('change', (event: TranslateEvent) => this.olChange.emit(event));
this.instance.on('propertychange', (event: TranslateEvent) => this.propertyChange.emit(event));
this.instance.on('translateend', (event: TranslateEvent) => this.translateEnd.emit(event));
this.instance.on('translatestart', (event: TranslateEvent) => this.translateStart.emit(event));
this.instance.on('translating', (event: TranslateEvent) => this.translating.emit(event));
this.map.instance.addInteraction(this.instance);
}
ngOnDestroy() {
this.map.instance.removeInteraction(this.instance);
}
}