File

libs/map/src/lib/selector/map-selector.component.ts

Extends

CachedMapComponent

Implements

OnChanges AfterViewInit

Index

Constructor

constructor(mapCache: MapCache, kvDiffers: KeyValueDiffers, cd: ChangeDetectorRef)

Defined in libs/map/src/lib/selector/map-selector.component.ts:53

Parameters :

Name	Type	Optional
mapCache	`MapCache`	No
kvDiffers	`KeyValueDiffers`	No
cd	`ChangeDetectorRef`	No

Properties

Private _baseMaps

Type : LayerMap

Inherited from CachedMapComponent

Defined in CachedMapComponent:84

Private _differBaseMaps

Type : KeyValueDiffer<string | LayerOptions>

Inherited from CachedMapComponent

Defined in CachedMapComponent:85

Private _differOverlayMaps

Type : KeyValueDiffer<string | LayerOptions>

Inherited from CachedMapComponent

Defined in CachedMapComponent:83

Private _overlayMaps

Type : LayerMap

Inherited from CachedMapComponent

Defined in CachedMapComponent:82

Protected layerControl

Type : L.Control.Layers

Inherited from CachedMapComponent

Defined in CachedMapComponent:79

Protected map

Type : L.Map

Inherited from CachedMapComponent

Defined in CachedMapComponent:75

The map object.

Protected oldBaseLayer

Type : L.Control.LayersObject

Default value : {}

Inherited from CachedMapComponent

Defined in CachedMapComponent:78

Protected oldOverlayLayer

Type : L.Control.LayersObject

Default value : {}

Inherited from CachedMapComponent

Defined in CachedMapComponent:77

Protected zoomControl

Type : L.Control.Zoom

Inherited from CachedMapComponent

Defined in CachedMapComponent:80

Methods

Protected Abstract drawGeometries

drawGeometries()

Defined in libs/map/src/lib/selector/map-selector.component.ts:86

Draws the geometries

Returns : void

Public ngAfterViewInit

ngAfterViewInit()

Defined in libs/map/src/lib/selector/map-selector.component.ts:63

Returns : void

Public ngOnChanges

ngOnChanges(changes: SimpleChanges)

Defined in libs/map/src/lib/selector/map-selector.component.ts:71

Parameters :

Name	Type	Optional
changes	`SimpleChanges`	No

Returns : void

Protected zoomToMarkerBounds

zoomToMarkerBounds(bounds: L.LatLngBoundsExpression)

Defined in libs/map/src/lib/selector/map-selector.component.ts:94

Zooms to the given bounds

Parameters :

Name	Type	Optional	Description
bounds	`L.LatLngBoundsExpression`	No	where to zoom

Returns : void

Private addBaseMap

addBaseMap(layerOptions?: LayerOptions)

Inherited from CachedMapComponent

Defined in CachedMapComponent:180

Parameters :

Name	Type	Optional
layerOptions	`LayerOptions`	Yes

Returns : void

Private addOverlayMap

addOverlayMap(layerOptions: LayerOptions)

Inherited from CachedMapComponent

Defined in CachedMapComponent:164

Parameters :

Name	Type	Optional
layerOptions	`LayerOptions`	No

Returns : void

Protected createMap

createMap()

Inherited from CachedMapComponent

Defined in CachedMapComponent:137

Returns : void

Private generateUUID

generateUUID()

Inherited from CachedMapComponent

Defined in CachedMapComponent:155

Returns : string

Public ngDoCheck

ngDoCheck()

Inherited from CachedMapComponent

Defined in CachedMapComponent:112

Returns : void

Public ngOnChanges

ngOnChanges(changes: SimpleChanges)

Inherited from CachedMapComponent

Defined in CachedMapComponent:101

Parameters :

Name	Type	Optional
changes	`SimpleChanges`	No

Returns : void

Public ngOnDestroy

ngOnDestroy()

Inherited from CachedMapComponent

Defined in CachedMapComponent:131

Returns : void

Public ngOnInit

ngOnInit()

Inherited from CachedMapComponent

Defined in CachedMapComponent:95

Returns : void

Private removeBaseMap

removeBaseMap(layerOptions: LayerOptions)

Inherited from CachedMapComponent

Defined in CachedMapComponent:198

Parameters :

Name	Type	Optional
layerOptions	`LayerOptions`	No

Returns : void

Private removeOverlayMap

removeOverlayMap(layerOptions: LayerOptions)

Inherited from CachedMapComponent

Defined in CachedMapComponent:173

Parameters :

Name	Type	Optional
layerOptions	`LayerOptions`	No

Returns : void

Private updateLayerControl

updateLayerControl()

Inherited from CachedMapComponent

Defined in CachedMapComponent:205

Returns : void

Private updateZoomControl

updateZoomControl()

Inherited from CachedMapComponent

Defined in CachedMapComponent:218

Returns : void

Inputs

avoidZoomToSelection
Type : `boolean`
Defined in libs/map/src/lib/selector/map-selector.component.ts:35

filter
Type : `HelgolandParameterFilter`
Defined in libs/map/src/lib/selector/map-selector.component.ts:32

fitBoundsMarkerOptions
Type : `L.FitBoundsOptions`
Defined in libs/map/src/lib/selector/map-selector.component.ts:50

markerSelectorGenerator
Type : `MarkerSelectorGenerator`
Defined in libs/map/src/lib/selector/map-selector.component.ts:38

serviceUrl
Type : `string`
Defined in libs/map/src/lib/selector/map-selector.component.ts:26

Outputs

onContentLoading
Type : `EventEmitter<boolean>`
Defined in libs/map/src/lib/selector/map-selector.component.ts:44

onNoResultsFound
Type : `EventEmitter<boolean>`
Defined in libs/map/src/lib/selector/map-selector.component.ts:53

onSelected
Type : `EventEmitter<T>`
Defined in libs/map/src/lib/selector/map-selector.component.ts:41

import {
    AfterViewInit,
    ChangeDetectorRef,
    EventEmitter,
    Input,
    KeyValueDiffers,
    OnChanges,
    Output,
    SimpleChanges,
} from '@angular/core';
import { HelgolandParameterFilter } from '@helgoland/core';
import * as L from 'leaflet';

import { CachedMapComponent } from '../base/cached-map-component';
import { MapCache } from '../base/map-cache.service';
import { MarkerSelectorGenerator } from './model/marker-selector-generator';

export abstract class MapSelectorComponent<T>
    extends CachedMapComponent
    implements OnChanges, AfterViewInit {

    /**
     * @input The serviceUrl, where the selection should be loaded.
     */
    @Input()
    public serviceUrl: string;

    /**
     * @input The filter which should be used, while fetching the selection.
     */
    @Input()
    public filter: HelgolandParameterFilter;

    @Input()
    public avoidZoomToSelection: boolean;

    @Input()
    public markerSelectorGenerator: MarkerSelectorGenerator;

    @Output()
    public onSelected: EventEmitter<T> = new EventEmitter<T>();

    @Output()
    public onContentLoading: EventEmitter<boolean> = new EventEmitter();

    /**
     * @input Additional configuration for the marker zooming (https://leafletjs.com/reference-1.3.4.html#fitbounds-options)
     */
    @Input()
    public fitBoundsMarkerOptions: L.FitBoundsOptions;

    @Output()
    public onNoResultsFound: EventEmitter<boolean> = new EventEmitter();

    constructor(
        protected mapCache: MapCache,
        protected kvDiffers: KeyValueDiffers,
        protected cd: ChangeDetectorRef
    ) {
        super(mapCache, kvDiffers);
    }

    public ngAfterViewInit() {
        this.createMap();
        setTimeout(() => {
            this.drawGeometries();
            this.cd.detectChanges();
        }, 10);
    }

    public ngOnChanges(changes: SimpleChanges) {
        super.ngOnChanges(changes);
        if (this.map) {
            if (changes.serviceUrl || changes.filter || changes.cluster) {
                this.drawGeometries();
            }
        }
    }

    /**
     * Draws the geometries
     *
     * @protected
     * @abstract
     */
    protected abstract drawGeometries(): void;

    /**
     * Zooms to the given bounds
     *
     * @protected
     * @param bounds where to zoom
     */
    protected zoomToMarkerBounds(bounds: L.LatLngBoundsExpression) {
        if (!this.avoidZoomToSelection) {
            this.map.fitBounds(bounds, this.fitBoundsMarkerOptions || {});
        }
    }

}

File

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