page-information.ts
df752d8d94b2master

page-information.ts
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			import { OnInit } from '@angular/core';
			import { TlnQueryServiceInterface, ManuscriptUnity, NavigationPage} from '../models';
			import { DataHandler } from '../data_handler';
			import { TlnTextGeneticOrder} from '../datatypes/text_version';
			import { TLN_PAGE_PARAM } from '../constants';
			import { TlnPositionalStyleMarkup, TlnFilteredPositionalStyleMarkup } from '../datatypes/positional-markup';

			export class PageInformation implements OnInit {
			/**
			* the data handler of this component that retrieves
			* data and instantiates it according to their proper
			* datatypes.
			**/
			dataHandler: DataHandler = new DataHandler(this);
			geneticOrders: TlnTextGeneticOrder[] = [];

			constructor(private queryService: TlnQueryServiceInterface, public current_page: NavigationPage){ }

			ngOnInit() {
			this.dataHandler.addHandler('geneticOrders', { 'handler': TlnTextGeneticOrder});
			this.dataHandler.setQueryService(this.queryService);
			this.dataHandler.getData('geneticOrders', <string>this.current_page.id)
			}
			public hasInformation(): boolean {
			return this.geneticOrders.length > 0;
			}
			}