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word-presentation.component.ts
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Sat, Nov 16, 09:34

word-presentation.component.ts
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import { Component, OnInit, OnChanges, SimpleChanges,Input } from '@angular/core';
import { DataHandler } from '../data_handler';
import { QuantitativeDataHandler } from '../quant_data_handler';
import { TlnQueryServiceInterface} from '../models';
import { TlnCacheQueryService } from '../services';
import { ManuscriptPageWords } from '../datatypes/word_presentation';
@Component({
selector: 'word-presentation',
templateUrl: './word-presentation.component.html',
styleUrls: ['./word-presentation.component.css']
})
export class WordPresentationComponent implements OnInit, OnChanges {
/**
* OPTIONAL pass a queryService with method
* {@link /interfaces/TlnQueryServiceInterface.html#getData|getData}
* to TlnPageViewComponent.
**/
@Input() queryService: TlnQueryServiceInterface;
@Input() wordIds: string[];
@Input() expanded: boolean = false;
isLoadingResults: boolean = false;
dataHandler: QuantitativeDataHandler = new QuantitativeDataHandler(this);
private readonly displayedColumns: string[] = [ 'text', 'editedText', 'cleanText', 'cleanEditedText', 'link'];
manuscriptPageWords: ManuscriptPageWords[] = [];
tlnQueryService: TlnQueryServiceInterface;
constructor(private localQueryService: TlnCacheQueryService) {}
ngOnInit() {
this.tlnQueryService = (this.queryService != null) ? this.queryService : this.localQueryService;
this.dataHandler.addHandler('manuscriptPageWords', { 'handler': ManuscriptPageWords});
this.dataHandler.setQueryService(this.tlnQueryService);
this.dataHandler.start_processing.subscribe(
(started: boolean) =>{
this.isLoadingResults = true;
});
this.dataHandler.processing_finished.subscribe(
(started: boolean) =>{
this.isLoadingResults = false;
});
}
ngOnChanges(changes: SimpleChanges){
if (this.expanded && this.manuscriptPageWords.length == 0 && this.wordIds.length > 0){
const query = ManuscriptPageWords.getParameterizedQuery(this.wordIds)
this.dataHandler.getData4Query('manuscriptPageWords', query);
}
}
}

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