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import {Component, Input}             from '@angular/core';
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import {ViewChild, Output}            from '@angular/core';
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import {EventEmitter}      from '@angular/core';
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import {Location}                     from '@angular/common';
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import {Router, ActivatedRoute}       from '@angular/router';
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import {Title, Meta}                  from '@angular/platform-browser';
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import {Filter, Value}                from './searchHelperClasses.class';
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import {SearchFields}                 from '../../utils/properties/searchFields';
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import {SearchCustomFilter, SearchUtilsClass} from './searchUtils.class';
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import {DOI, StringUtils}             from '../../utils/string-utils.class';
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import {RouterHelper}                 from '../../utils/routerHelper.class';
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import {ModalLoading}                 from '../../utils/modal/loading.component';
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import {ErrorCodes}                   from '../../utils/properties/errorCodes';
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import {PiwikService}                 from '../../utils/piwik/piwik.service';
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import {EnvProperties}                from '../../utils/properties/env-properties';
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import { SEOService }                 from '../../sharedComponents/SEO/SEO.service';
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import {HelperFunctions} from "../../utils/HelperFunctions.class";
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import {ZenodoInformationClass} from "../../deposit/utils/zenodoInformation.class";
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import {HelperService} from "../../utils/helper/helper.service";
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@Component({
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    selector: 'search-page',
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    templateUrl: 'searchPage.component.html'
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})
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export class SearchPageComponent {
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  @Input() piwikSiteId = null;
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  @Input() pageTitle = "";
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  @Input() formPlaceholderText = "Type Keywords...";
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  @Input() results = [];
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  @Input() filters = [];
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  @Input() type:string = "";
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  @Input() entityType: string = "";
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  @Input() usedBy: string = "search";
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  @Input() showMoreFilterValuesInline: boolean = false;
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  @Input() filterValuesNum: number = 5;
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  @Input() public zenodoInformation: ZenodoInformationClass = new ZenodoInformationClass();
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  @Input() searchUtils:SearchUtilsClass = new SearchUtilsClass();
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  @Output() queryChange  = new EventEmitter();
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  @Input() baseUrl:string = '';
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  @Input() showResultCount:boolean = true;
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  @Input() showRefine:boolean = true;
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  @Input() refineFields = [];
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  @Input() csvParams: string;
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  @Input() csvPath: string;
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  @Input() advancedSearchLink: string = "";
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  @Input() advancedSearchParameters;
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  @Input() tableViewLink: string;
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  @Input() disableForms: boolean = false;
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  @Input() loadPaging: boolean = true;
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  @Input() oldTotalResults: number = 0;
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  @Input() tableView: boolean = false;
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  @Input() searchFormClass: string = "searchForm";
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  @Input() openaireLink: string;
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  @Input() customFilter:SearchCustomFilter= null;
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  @Input() sort: boolean = false;
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  @Input() mapUrl: string = "";
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  @Input() mapTooltipType: string ="content providers";
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  @Input() newQueryButton: boolean = true;
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  @Input() lastIndex: boolean = true;
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  @Input() hasPrefix: boolean = true;
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  @Input() showType = false;
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  //@Input() sortBy: string = "";
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  @ViewChild (ModalLoading) loading : ModalLoading ;
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  public fieldIdsMap;//:  { [key:string]:{ name:string, operator:string, type:string, indexField:string, equalityOperator:string  }};
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  @Input() keywordFields = [];
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  private searchFieldsHelper:SearchFields = new SearchFields();
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  private queryParameters: Map<string, string>  = new Map<string,string>();
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  private baseURLWithParameters:string = '';
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  private sub: any; piwiksub: any;
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  // public countFilters= 0;
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  public parameterNames:string[] =[];
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  public parameterValues:string[] =[];
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  public showUnknownFilters:boolean = false; // when a filter exists in query but has no results, so no filters returned from the query
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  //@ViewChild (SearchFilterModalComponent) searchFilterModal : SearchFilterModalComponent ;
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  // public currentFilter: Filter;
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  public csvLimit: number = 0;
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  public pagingLimit: number = 0;
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  public resultsPerPage: number = 10;
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  public isPiwikEnabled;
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  public pageContents = null;
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  public divContents = null;
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  properties:EnvProperties;
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  public routerHelper:RouterHelper = new RouterHelper();
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  public errorCodes:ErrorCodes = new ErrorCodes();
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  constructor (private route: ActivatedRoute,
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               private location: Location,
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               private _meta: Meta,
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               private _title: Title,
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               private _piwikService:PiwikService,
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               private router: Router,
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               private seoService: SEOService,
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               private helper: HelperService) {
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   }
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  ngOnInit() {
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    this.route.data
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      .subscribe((data: { envSpecific: EnvProperties }) => {
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        this.properties = data.envSpecific;
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        //this.getDivContents();
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        this.getPageContents();
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        this.pagingLimit = data.envSpecific.pagingLimit;
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        HelperFunctions.scroll();
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        this.csvLimit = data.envSpecific.csvLimit;
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        this.isPiwikEnabled = data.envSpecific.enablePiwikTrack;
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        if(typeof window !== 'undefined') {
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          this.updateUrl(data.envSpecific.baseLink+location.pathname);
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        }
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        if(typeof document !== 'undefined' && this.isPiwikEnabled){
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          this.piwiksub = this._piwikService.trackView(this.properties, this.pageTitle, this.piwikSiteId).subscribe();
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        }
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      });
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        // this.updateBaseUrlWithParameters(this.filters);
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        this.updateTitle(this.pageTitle);
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        var description = "Openaire, search, repositories, open access, type, content provider, funder, project, " + this.type + "," +this.pageTitle;
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        this.updateDescription(description);
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        this.seoService.createLinkForCanonicalURL(this.properties.baseLink+this.router.url,false);
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  }
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  private getPageContents() {
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    this.helper.getPageHelpContents(this.router.url, this.properties, (this.customFilter)?this.customFilter.valueId:null).subscribe(contents => {
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      this.pageContents = contents;
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    })
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  }
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  private getDivContents() {
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    this.helper.getDivHelpContents(this.router.url, this.properties, (this.customFilter)?this.customFilter.valueId:null).subscribe(contents => {
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      this.divContents = contents;
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    })
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  }
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  ngOnDestroy() {
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    if(this.piwiksub){
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      this.piwiksub.unsubscribe();
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    }
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  }
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  updateDescription(description:string) {
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    this._meta.updateTag({content:description},"name='description'");
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    this._meta.updateTag({content:description},"property='og:description'");
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  }
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  updateTitle(title:string) {
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    let _title: string;
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    if(this.hasPrefix && !this.customFilter) {
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      let _prefix ="OpenAIRE | ";
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      _title = _prefix + ((title.length > 50) ? title.substring(0, 50) : title);
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    } else {
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      _title = ((title.length > 50) ? title.substring(0, 50) : title);
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    }
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    this._title.setTitle(_title);
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    this._meta.updateTag({content:_title},"property='og:title'");
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  }
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  updateUrl(url:string) {
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    this._meta.updateTag({content:url},"property='og:url'");
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  }
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  public getQueryParamsFromUrl(params) {
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    this.queryParameters = new Map<string,string>();
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    for(let i=0; i< this.refineFields.length ; i++) {
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      let filterId = this.refineFields[i];
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      if (params[filterId] != undefined) {
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        this.queryParameters.set(filterId, StringUtils.URIDecode(params[filterId]));
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      }
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    }
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    return this.queryParameters;
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  }
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  public getQueryParametersFromUrl(params){ // called by ngOnInit function of search find pages
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    // var parameters = "";
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    var allFqs = "";
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    this.queryParameters = new Map<string,string>();
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    for(var i=0; i< this.refineFields.length ; i++){
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         var filterId =  this.refineFields[i];
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          if(params[filterId] != undefined) {
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             this.queryParameters.set(filterId, StringUtils.URIDecode(params[filterId]));
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             let values = (StringUtils.URIDecode(this.queryParameters.get(filterId))).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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             var countvalues = 0;
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             var fq = "";
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             let filterOp: string = this.searchFieldsHelper.getFieldOperator(filterId);
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             console.info(filterId, filterOp);
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             for(let value of values) {
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               countvalues++;
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               var paramId = this.fieldIdsMap[filterId].param;
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              // parameters+='&' + paramId+ '='+ value;//+"&" + this.fieldIdsMap[paramId].operator + "="+((countvalues == 1)?"and":"or");
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              fq+=(fq.length > 0 ? " " + filterOp  + " ":"" ) + filterId +" exact " +(value);
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             }
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             if(countvalues > 0){
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               fq="&fq="+StringUtils.URIEncode(fq);
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             }
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             allFqs += fq;
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          }
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   }
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    if(this.customFilter){
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      allFqs+= "&fq="+StringUtils.URIEncode(this.customFilter.queryFieldName + " exact " + StringUtils.quote((this.customFilter.valueId )));
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    }
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   var keyword = params['keyword'];
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   var doiQuery = "";
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   var keywordQuery = "";
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   if((keyword && keyword.length > 0)){
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      if((this.type == 'publications' ||this.type == 'research data' || this.type == 'software' || this.type == 'other research products')){
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        var DOIs:string[] = DOI.getDOIsFromString(keyword);
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       var doisParams = "";
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       for(var i =0 ;i < DOIs.length; i++){
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         doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
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       }
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       if(doisParams.length > 0){
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         doiQuery += "&"+doisParams;
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       }else {
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        keywordQuery += "&q="+StringUtils.URIEncode(keyword);
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       }
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     }else{
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        if(this.usedBy == "deposit") {
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          if(this.keywordFields.length > 0) {
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            keywordQuery = "&fq=";
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          }
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          for(let i=0; i< this.keywordFields.length ; i++) {
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            if(i > 0) {
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              keywordQuery += " or ";
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            }
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            let field = this.keywordFields[i];
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            //keywordQuery += field.name+field.equalityOperator+StringUtils.URIEncode(keyword);
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            keywordQuery += field.name+field.equalityOperator+StringUtils.quote(StringUtils.URIEncode(keyword));
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          }
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        } else {
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          keywordQuery += "&q=" + StringUtils.URIEncode(keyword);
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        }
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239
     }
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   }
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   return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
242
 }
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 public getIndexQueryParametersFromUrl(params){  // called by ngOnInit function of search pages that request 'resources'
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  //  var parameters = "";
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   var allFqs = "";
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   for(var i=0; i< this.refineFields.length ; i++){
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        var filterId =  this.refineFields[i];
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        var fq = "";
250
         if(params[filterId] != undefined) {
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            this.queryParameters.set(filterId,decodeURIComponent(params[filterId]));
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            let values = (decodeURIComponent(this.queryParameters.get(filterId))).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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            var countvalues = 0;
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            let filterOp: string = this.searchFieldsHelper.getFieldOperator(filterId);
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            console.info(filterId, filterOp);
256
            for(let value of values) {
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              countvalues++;
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              // parameters+= ((countvalues == 1)?" and (":" or ")+ filterId+ '='+ value;
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              fq+=(fq.length > 0 ? " " + filterOp + " ":"" ) + filterId + " exact " + value;//StringUtils.quote(value);
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            }
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            // parameters+= " ) ";
262
            if(countvalues > 0){
263
              fq="&fq="+StringUtils.URIEncode(fq);
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            }
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            allFqs += fq;
266
        }
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268
  }
269
  var keyword = params['keyword'];
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  var doiQuery = "";
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  var keywordQuery = "";
272
  if((keyword && keyword.length > 0)){
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    if((this.type == 'publications' ||this.type == 'research data' || this.type == 'software' || this.type == 'other research products')){
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      var DOIs:string[] = DOI.getDOIsFromString(keyword);
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      var doisParams = "";
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      for(var i =0 ;i < DOIs.length; i++){
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        doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
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      }
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      if(doisParams.length > 0){
281
        doiQuery += "&"+doisParams;
282
      }
283
    }else{
284
       keywordQuery += "and ("+StringUtils.quote(StringUtils.URIEncode(keyword)) +")";
285

    
286
    }
287
  }
288
  return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
289

    
290
}
291
 /*
292
 * Mark as check the new filters that are selected, when you get them from search
293
 */
294
  public checkSelectedFilters(filters:Filter[]){
295
    this.filters = filters;
296
       for(var i=0; i< filters.length ; i++){
297
            var filter:Filter = filters[i];
298
            filter.countSelectedValues = 0;
299
              if(this.queryParameters.get(filter.filterId) != undefined) {
300
                let values = (decodeURIComponent(this.queryParameters.get(filter.filterId))).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
301
                     for(let filterValue of filter.values) {
302
                       if(values.indexOf(StringUtils.quote(filterValue.id)) > -1) {
303
                            filterValue.selected = true;
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                            filter.countSelectedValues++;
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                         }else{
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                           filterValue.selected = false;
307

    
308
                         }
309
                    }
310
            }else{
311
              for(let filterValue of filter.values) {
312
                 filterValue.selected = false;
313
              }
314
            }
315
        }
316
        this.filterFilterValues(this.filters);
317
        return filters;
318
  }
319
  /*
320
  * For Funder filters - if funder selected
321
  */
322
   public filterFilterValues(filters:Filter[]){
323
     var funders = [];
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     var funder_prefix = [];
325
        for(var i=0; i< filters.length ; i++){
326

    
327
             var filter:Filter = filters[i];
328
            //  console.log(filter.filterId);
329
             if(filter.filterId.indexOf("funder")!=-1 && this.queryParameters.get(filter.filterId) != undefined) {
330
                 let funders = (decodeURIComponent(this.queryParameters.get(filter.filterId))).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
331
                      for(let funder of funders) {
332
                        funder_prefix.push(StringUtils.unquote(funder).split("____")[0]);
333
                     }
334
                    //  console.log(funder_prefix );
335
             }else if(filter.filterId.indexOf("funding")!=-1){
336
              //  console.log(" funding: "+filter.filterId );
337
               var filteredValues = []
338
               for(let filterValue of filter.values) {
339
                 var value_prefix = filterValue.id.split("____")[0];
340
                //  console.log("Value prefix: "+value_prefix );
341
                 if(funder_prefix.indexOf(value_prefix)!=-1){
342
                  //  console.log("here" + value_prefix);
343
                   filteredValues.push(filterValue);
344
                 }
345

    
346
               }
347
               if(filteredValues.length > 0){
348
                 filter.values = filteredValues;
349
               }
350
             }
351

    
352
       }
353

    
354
         return filters;
355
   }
356
  /*
357
  * Update the url with proper parameters. This is used as base url in Paging Component
358
  */
359
  public updateBaseUrlWithParameters(filters:Filter[]){
360
    this.baseURLWithParameters = this.baseUrl + this.createUrlParameters(filters,false);
361

    
362
  }
363

    
364
  /*
365
  *Get The filters and create url parameters
366
  */
367
  private createUrlParameters(filters:Filter[], includePage:boolean){
368
    var allLimits="";//location.search.slice(1);
369
    this.queryParameters = new Map<string,string>();
370
    this.parameterNames.splice(0,this.parameterNames.length);
371
    this.parameterValues.splice(0,this.parameterValues.length);
372

    
373
    for (let filter of filters){
374
      var filterLimits="";
375
      if(filter.countSelectedValues > 0 ){
376
        for (let value of filter.values){
377
          if(value.selected == true){
378
            filterLimits+=((filterLimits.length == 0)?'':',') +'"'+ (value.id)+'"';
379
          }
380
        }
381
        this.queryParameters.set(filter.filterId,filterLimits);
382
        if(filterLimits.length > 0){
383
          this.parameterNames.push(filter.filterId);
384
          this.parameterValues.push(filterLimits);
385
        }
386
        allLimits+=(allLimits.length==0?"?":"&")+((filterLimits.length == 0 )?'':filter.filterId + '='+ filterLimits) ;
387
      }
388
    }
389
    if(this.searchUtils.keyword.length > 0 ){
390
       allLimits+=(allLimits.length==0?"?":"&")+'keyword=' + this.searchUtils.keyword;
391
      this.parameterNames.push("keyword");
392
      this.parameterValues.push(this.searchUtils.keyword);
393
      //this.parameterValues.push(StringUtils.quote(this.searchUtils.keyword));
394
    }
395
    if(this.searchUtils.page != 1 && includePage){
396
       allLimits+=((allLimits.length == 0)?'?':'&') + 'page=' + this.searchUtils.page;
397
    }
398
    if(this.searchUtils.size != this.resultsPerPage) {
399
      allLimits+=((allLimits.length == 0)?'?':'&') + 'size=' + this.searchUtils.size;
400
      this.parameterNames.push("size");
401
      this.parameterValues.push(""+this.searchUtils.size);
402
    }
403
    if(this.sort && this.searchUtils.sortBy) {
404
      allLimits+=((allLimits.length == 0)?'?':'&') + 'sortBy=' + this.searchUtils.sortBy;
405
      this.parameterNames.push("sortBy");
406
      this.parameterValues.push(this.searchUtils.sortBy);
407
    } /*else {
408
      let index: number = this.parameterNames.findIndex(function(element) {
409
        return element == "sortBy";
410
      });
411
      console.info("index of sortby: "+index);
412
      if(index >= 0) {
413
        console.info("------remove sortBy------");
414
        this.parameterNames.splice(index, 1);
415
        this.parameterValues.splice(index, 1);
416
      }
417
    }*/
418

    
419
    return allLimits;
420
  }
421
  /*
422
  *
423
  */
424
  private createSearchQueryParameters(filters:Filter[]){   // called by goTo, result emited to and used by search find pages
425
    var allFqs = "";
426
    for (let filter of filters){
427
      if(filter.countSelectedValues > 0 ){
428
        var fq = "";
429
        var count_selected=0;
430
        for (let value of filter.values){
431
          if(value.selected == true){
432
              count_selected++;
433
              fq+=(fq.length > 0 ? " " + filter.filterOperator + " ":"" ) + filter.filterId +  " exact " + StringUtils.quote((value.id));
434
           }
435
        }
436

    
437
        fq="&fq="+StringUtils.URIEncode(fq);
438
        allFqs += fq;
439
      }
440
    }
441

    
442
    var doiQuery = "";
443
    var keywordQuery = "";
444
    if((this.searchUtils.keyword && this.searchUtils.keyword.length > 0)){
445
      if((this.type == 'publications' ||this.type == 'research data' || this.type == 'software' || this.type == 'other research products')){
446
        var DOIs:string[] = DOI.getDOIsFromString(this.searchUtils.keyword);
447
        var doisParams = "";
448

    
449
        for(var i =0 ;i < DOIs.length; i++){
450
          doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
451
        }
452
        if(doisParams.length > 0){
453
          doiQuery += "&"+doisParams;
454
        }else{
455
          keywordQuery += "&q="+StringUtils.URIEncode(this.searchUtils.keyword);
456
        }
457
      }else{
458
        if(this.usedBy == "deposit") {
459
          if(this.keywordFields.length > 0) {
460
            keywordQuery = "&fq=";
461
          }
462

    
463
          for(let i=0; i< this.keywordFields.length ; i++) {
464
            if(i > 0) {
465
              keywordQuery += " or ";
466
            }
467
            let field = this.keywordFields[i];
468
            //keywordQuery += field.name+field.equalityOperator+StringUtils.URIEncode(this.searchUtils.keyword);
469
            keywordQuery += field.name+field.equalityOperator+StringUtils.quote(StringUtils.URIEncode(this.searchUtils.keyword));
470
          }
471
        } else {
472
          keywordQuery += "&q=" + StringUtils.URIEncode(this.searchUtils.keyword);
473
        }
474
      }
475
    }
476
    return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
477

    
478
  }
479
  private createIndexQueryParameters(filters:Filter[]){   // called by goTo, result emited to and used by search pages that request 'resources'
480
    var allFqs = "";
481
    for (let filter of filters){
482
      if(filter.countSelectedValues > 0){
483
        var count_selected=0;
484
        var fq = "";
485
        for (let value of filter.values){
486
          if(value.selected == true){
487
              count_selected++;
488
               fq+=(fq.length > 0 ? " " + filter.filterOperator + " ":"" ) + filter.filterId + " exact " + (StringUtils.quote(value.id));
489
           }
490
        }
491
        if(count_selected > 0){
492
          fq="&fq="+StringUtils.URIEncode(fq);
493
          allFqs += fq;
494
        }
495
      }
496
    }
497
    var doiQuery = "";
498
    var keywordQuery = "";
499
    if((this.searchUtils.keyword && this.searchUtils.keyword.length > 0)){
500
      if((this.type == 'publications' ||this.type == 'research data' || this.type == 'software' || this.type == 'other research products')){
501
        var DOIs:string[] = DOI.getDOIsFromString(this.searchUtils.keyword);
502
        var doisParams = "";
503
        for(var i =0 ;i < DOIs.length; i++){
504
          doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
505
        }
506
        if(doisParams.length > 0){
507
          doiQuery += "&"+doisParams;
508
        }
509
      }else{
510
         keywordQuery += " and ("+StringUtils.quote(StringUtils.URIEncode(this.searchUtils.keyword)) +")"
511

    
512
      }
513
    }
514
    return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
515

    
516
  }
517
  public countFilters():number{
518
    var filters=0;
519
    this.showUnknownFilters = false;
520
    for (let filter of this.filters){
521
       if(filter.countSelectedValues > 0){
522
           filters+=filter.countSelectedValues;
523
       }
524
     }
525
    if(this.searchUtils.keyword.length > 0 ){
526
      filters++;
527
    }
528
    var errorCodes:ErrorCodes = new ErrorCodes();
529
    if(this.queryParameters.keys() && this.searchUtils.totalResults == 0 && this.searchUtils.status !=errorCodes.LOADING ){
530
      if(this.newQueryButton) {
531
        this.showUnknownFilters = true;
532
      }
533
    }
534
    return filters;
535
  }
536
  private clearKeywords(){
537
    if(this.searchUtils.keyword.length > 0 ){
538
      this.searchUtils.keyword ='';
539
    }
540
    this.goTo(1);
541
  }
542
  private clearFilters(){
543
    for (var i =0 ; i <  this.filters.length; i++){
544
         for (var j=0; j <  this.filters[i].countSelectedValues; j++){
545
          if(this.filters[i].values[j].selected){
546
            this.filters[i].values[j].selected = false;
547
           }
548
        this.filters[i].countSelectedValues = 0;
549
      }
550
    }
551
    this.clearKeywords();
552

    
553
  }
554
  private removeFilter(value:Value,filter:Filter){
555
    filter.countSelectedValues--;
556
    if(value.selected == true){
557
      value.selected = false;
558
     }
559
    this.goTo(1);
560

    
561
  }
562
  goTo(page:number = 1){
563
    this.searchUtils.page = page;
564
    var urlParameters = this.createUrlParameters(this.filters,true);
565
    //console.info("urlParams : "+urlParameters);
566
    this.updateBaseUrlWithParameters(this.filters);
567
    var queryParameters = this.createSearchQueryParameters(this.filters);
568
    //console.info("queryParams : "+queryParameters);
569
    var indexQuery = this.createIndexQueryParameters(this.filters);
570

    
571
    //this.location.go(location.pathname,urlParameters);
572
    this.router.navigate( [this.baseUrl], { queryParams: this.routerHelper.createQueryParams(this.parameterNames, this.parameterValues) } );
573
    
574
/* Code For Piwik*/
575
    if (typeof localStorage !== 'undefined') {
576
      localStorage.setItem('previousRoute', this.router.url);
577
    }
578
    if(this.isPiwikEnabled && (typeof document !== 'undefined')){
579
      this.piwiksub = this._piwikService.trackView(this.properties, this.pageTitle, this.piwikSiteId).subscribe();
580
    }
581
    /* End Piwik Code */
582
    this.queryChange.emit({
583
        value: queryParameters,
584
        index:indexQuery,
585
        params: this.queryParameters
586
    });
587
    HelperFunctions.scroll();
588
  }
589
  filterChanged($event){
590
       this.goTo(1);
591
  }
592
  keywordChanged($event) {
593
       this.searchUtils.keyword = $event.value;
594
       this.goTo(1);
595
  }
596

    
597
  sizeChanged($event) {
598
       this.searchUtils.size = $event.value;
599
       this.goTo(1);
600
  }
601

    
602
  sortByChanged($event) {
603
       this.searchUtils.sortBy = $event.value;
604
       this.goTo(1);
605
  }
606

    
607
  /*
608
  * Get A sub-array of this.refineFields array, which contains the ids of the selected filters
609
  */
610
  public getSelectedFilters():string[] {
611
    var selected:string[] = [];
612
    for(var i=0; i <  this.filters.length; i++){
613
      var filter:Filter = this.filters[i];
614
      if(filter.countSelectedValues > 0){
615
          selected.push(filter.filterId);
616
      }
617
    }
618
    return selected;
619
  }
620
  /*
621
  * Get A sub-array of this.refineFields array, which contains the ids of the selected parameters
622
  */
623
  private getSelectedParameters():string[] {
624
    var selected:string[] = [];
625
    var params:string[] = Object.keys(this.queryParameters);
626

    
627
    for(var i=0; i <  this.refineFields.length; i++){
628
       if(this.queryParameters.get(this.refineFields[i])!= undefined ){
629
          selected.push(this.refineFields[i]);
630
      }
631
    }
632
    return selected;
633
  }
634
  /*
635
  * Get A sub-array of this.refineFields array, which hides hidden fields (e.g Funding level 0,1,2,..), and contains those that depend on another fields (e.g  Funding level 0 if Funder is selected )
636
  */
637
  public getFields():string[] {
638
    var selected_filters:string[] = this.getSelectedFilters();
639
    if(selected_filters.length == 0){
640
      selected_filters = this.getSelectedParameters();
641
    }
642
    var fields:string[] = [];
643
    for(var i =0 ; i < this.refineFields.length;i++){
644
      var dependentTo = this.searchFieldsHelper.DEPENDENT_FIELDS[this.refineFields[i]];
645

    
646
      //if filter is not marked as hidden OR it is hidden but it is dependent to a field that it IS selected
647
      if(this.searchFieldsHelper.HIDDEN_FIELDS.indexOf(this.refineFields[i]) == -1 || (selected_filters.indexOf(dependentTo) != -1) || (selected_filters.indexOf(this.refineFields[i]) != -1) ){
648
          fields.push(this.refineFields[i]);
649
       }
650
    }
651
    return fields;
652
  }
653
  /*
654
  * Get a query  string of all fields, that want to get from search (e.g. &fields=funderid&fields=projectstartyear&...))
655
  */
656
  public getRefineFieldsQuery():string{
657

    
658
    var fields:string[] = this.getFields();
659
    var fieldsStr = ""
660
    for(var i =0 ; i < fields.length  ;i++){
661
        fieldsStr+="&fields="+fields[i];
662
    }
663
    return "&refine=true"+fieldsStr;
664
  }
665

    
666
  // for loading
667
  public openLoading(){
668
    if(this.loading){
669
      this.loading.open();
670
    }
671
  }
672
  public closeLoading(){
673
    if(this.loading){
674
      this.loading.close();
675
    }
676
  }
677
  getSelectedValues(filter):any{
678
    var selected = [];
679
    if(filter.countSelectedValues >0){
680
      for (var i=0; i < filter.values.length; i++){
681
        if(filter.values[i].selected){
682
          selected.push(filter.values[i]);
683
        }
684
      }
685
    }
686
    return selected;
687

    
688
  }
689
}
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