62 lines
2.4 KiB
TypeScript
62 lines
2.4 KiB
TypeScript
import { Component, Input, OnInit, ComponentFactoryResolver, ViewChild, SimpleChanges, ComponentFactory, Inject, Type} from '@angular/core';
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import { Feature } from 'ol';
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import { Geometry } from 'ol/geom';
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import { AbstractFeatureListFeatureComponent,FeatureListFeatureComponent } from '../feature-list-feature/feature-list-feature.component';
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import { WidgetHostDirective } from '../widget-host/widget-host.directive';
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@Component({
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selector: 'fm-map-feature-list-feature-container',
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template: `
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<div>
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<ng-template fm-map-widget-host></ng-template>
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</div>
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`
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})
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export class FeatureListFeatureContainerComponent {
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constructor(private componentFactoryResolver: ComponentFactoryResolver, @Inject(AbstractFeatureListFeatureComponent) public featureLists: AbstractFeatureListFeatureComponent[] ) {
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this.featureLists = [...this.featureLists].reverse();
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}
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@Input() feature: Feature<Geometry>;
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@ViewChild(WidgetHostDirective, { static: true }) widgetHost: WidgetHostDirective;
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loadComponent() {
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let componentFactory: ComponentFactory<AbstractFeatureListFeatureComponent> = this.componentFactoryResolver.resolveComponentFactory(FeatureListFeatureComponent); // default
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let selected = -1;
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let maxMatches =0;
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for (let i = 0; i < this.featureLists.length; i++) {
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let matches=0;
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let criteria=0;
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if (this.featureLists[i]['forItemType']) {
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criteria++;
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if(this.featureLists[i]['forItemType'].split(",").filter(part => part == this.feature.get("itemType")).length == 1) {
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matches++;
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}
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}
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if(criteria == matches && matches > maxMatches) {
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selected=i;
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maxMatches = matches;
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}
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}
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if (selected >= 0) {
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componentFactory = this.componentFactoryResolver.resolveComponentFactory(this.featureLists[selected]['constructor'] as any);
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}
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const viewContainerRef = this.widgetHost.viewContainerRef;
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viewContainerRef.clear();
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const componentRef = viewContainerRef.createComponent(componentFactory);
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(<AbstractFeatureListFeatureComponent>componentRef.instance).feature = this.feature;
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}
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ngOnChanges(changes: SimpleChanges) {
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if (changes["feature"] && changes["feature"].currentValue) {
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this.loadComponent();
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}
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}
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}
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