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import {Component, Input, ViewChild, Output, EventEmitter} from '@angular/core';
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import {Observable} from 'rxjs/Observable';
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import {Location} from '@angular/common';
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import { Filter, Value} from './searchHelperClasses.class';
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import {SearchResult} from '../../utils/entities/searchResult';
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import {SearchFields} from '../../utils/properties/searchFields';
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import {SearchUtilsClass} from './searchUtils.class';
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import {DOI, StringUtils} from '../../utils/string-utils.class';
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import {ModalLoading} from '../../utils/modal/loading.component';
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import { Meta} from '../../../angular2-meta';
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import{SearchFilterComponent} from './searchFilter.component';
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import {SearchFilterModalComponent} from './searchFilterModal.component';
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@Component({
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selector: 'search-page',
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template: `
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<div class="uk-margin-top">
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<div class="page-header">
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<h1>{{pageTitle}}</h1>
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</div>
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<div>
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<div *ngIf="showRefine" >
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<div class="uk-width-1-1 uk-margin uk-padding uk-panel uk-background-muted">
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<search-form [isDisabled]="disableForms" [(keyword)]="searchUtils.keyword" (keywordChange)="keywordChanged($event)"></search-form>
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<div *ngIf="isFiltered()" class = " uk-text-center ">
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<span *ngIf = "searchUtils.keyword.length > 0">Keywords: <span>{{searchUtils.keyword}}<a (click) = "clearKeywords() " [class]="(disableForms)?'uk-icon-button uk-disabled':'uk-icon-button'"><span class=" clickable " aria-hidden="true"><span uk-icon="icon: close"></span></span></a></span>
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</span>
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<span *ngFor="let filter of filters " >
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<span *ngIf = "filter.countSelectedValues > 0"> {{filter.title}}:
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<span *ngFor="let value of getSelectedValues(filter); let i = index; let end = last; " >{{value.name}}<a (click) = "removeFilter(value, filter) " [class]="(disableForms)?'uk-icon-button uk-disabled':'uk-icon-button'"><span class=" clickable" aria-hidden="true"><span uk-icon="icon: close"></span></span></a>
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<span *ngIf="!end">, </span>
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</span>
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</span>
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</span>
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<!--span>
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Clear All
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<a (click)="clearFilters()" class="uk-icon-button uk-text-right"><span uk-icon="icon: close"></span></a></span-->
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<a (click)="clearFilters()" [class]="(disableForms)?'uk-disabled uk-link-muted':''">
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Clear All
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</a>
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</div>
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<a *ngIf = "advancedSearchLink && advancedSearchLink.length > 0" routerLinkActive="router-link-active" [class]="(disableForms)?'uk-float-right uk-disabled uk-link-muted':'uk-float-right'" [routerLink]=advancedSearchLink >More search options <span uk-icon="icon: chevron-right"></span></a>
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</div>
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<div class="uk-grid uk-width-1-1 uk-margin">
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<div class=" search-filters uk-width-1-4@l uk-width-1-4@m uk-width-1-1@s ">
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<search-filter *ngFor="let filter of filters " [isDisabled]="disableForms" [filter]="filter" [showResultCount]=showResultCount (change)="filterChanged($event)" (toggleModal)="toggleModal($event)"></search-filter>
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</div>
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<div class="uk-width-3-4@m uk-width-3-4@l uk-width-1-1@s uk-first-column" >
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<search-paging [type]="type" [(searchUtils)] = "searchUtils" [(results)] = "results" [(baseUrl)] = "baseUrl" [(parameterNames)] = "parameterNames" [(parameterValues)] = "parameterValues" ></search-paging>
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<search-download [type]="csvPath" [csvParams]="csvParams" [totalResults]="searchUtils.totalResults" (downloadClick)="downloadClicked($event)"></search-download>
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<search-result [results]="results"
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[status]=searchUtils.status
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[type]="entityType" [urlParam]="urlParam"
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[showLoading]="true">
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</search-result>
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</div>
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</div>
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</div>
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<div *ngIf="!showRefine" >
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<search-form [isDisabled]="disableForms" [(keyword)]="searchUtils.keyword" (keywordChange)="keywordChanged($event)"></search-form>
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<search-paging [type]="type" [(searchUtils)] = "searchUtils" [(results)] = "results" [(baseUrl)] = "baseUrl" [(parameterNames)] = "parameterNames" [(parameterValues)] = "parameterValues"></search-paging>
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<search-download [type]="csvPath" [csvParams]="csvParams" [totalResults]="searchUtils.totalResults" (downloadClick)="downloadClicked($event)"></search-download>
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<search-result [results]="results"
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[status]=searchUtils.status
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[type]="entityType" [urlParam]="urlParam"
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[showLoading]="true">
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</search-result>
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</div>
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</div>
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</div>
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<!--modal-loading [message]= "'Loading results...'"></modal-loading-->
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<modal-search-filter [filter]="currentFilter" [showResultCount]=showResultCount (modalChange)="filterChanged($event)"></modal-search-filter>
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`
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})
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export class SearchPageComponent {
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@Input() pageTitle = "";
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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() searchUtils:SearchUtilsClass = new SearchUtilsClass();
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@Output() queryChange = new EventEmitter();
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@Output() downloadClick = 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() disableForms:boolean = false;
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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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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;
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public countFilters= 0;
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public urlParam: string;
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public parameterNames:string[] =[];
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public parameterValues:string[] =[];
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@ViewChild (SearchFilterModalComponent) searchFilterModal : SearchFilterModalComponent ;
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public currentFilter: Filter;
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constructor (private location: Location , private _meta: Meta) {
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}
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ngOnInit() {
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this.updateBaseUrlWithParameters(this.filters);
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this.defineUrlParam();
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this.updateTitle(this.pageTitle);
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this.updateDescription("Openaire, search, repositories, open access, type, data provider, funder, project, " + this.type + "," +this.pageTitle);
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// console.info(this.entityType + " " + this.urlParam + this.type);
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}
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ngAfterViewChecked(){
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}
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toggleModal($event) {
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this.currentFilter = $event.value;
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this.searchFilterModal.open();
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}
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updateDescription(description:string){
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this._meta.updateMeta("description", description);
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this._meta.updateMeta("og:description", description);
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}
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updateTitle(title:string){
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var _suffix ="| OpenAIRE";
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var _title = ((title.length> 50 ) ?title.substring(0,50):title) + _suffix;
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this._meta.setTitle(_title );
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this._meta.updateMeta("og:title",_title);
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}
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private defineUrlParam() {
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if(this.entityType == "publication") {
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this.urlParam = "articleId";
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} else if(this.entityType == "dataset") {
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this.urlParam = "datasetId";
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} else if(this.entityType == "project") {
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this.urlParam = "projectId";
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} else if(this.entityType == "organization") {
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this.urlParam = "organizationId";
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} else if(this.entityType == "person") {
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this.urlParam = "personId";
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} else {
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this.urlParam = "datasourceId";
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}
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}
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public getQueryParametersFromUrl(params){
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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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if(params[filterId] != undefined) {
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if(this.queryParameters == undefined){
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this.queryParameters = new Map<string,string>();
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}
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this.queryParameters[filterId]=StringUtils.URIDecode(params[filterId]);
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let values = (StringUtils.URIDecode(this.queryParameters[filterId])).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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var countvalues = 0;
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var fq = "";
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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 ? " " + "or" + " ":"" ) + filterId +" exact " +value;// StringUtils.quote(value) ;
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}
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if(countvalues > 0){
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fq="&fq="+fq;
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}
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allFqs += fq;
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}
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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 == 'datasets')){
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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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keywordQuery += "&q="+StringUtils.URIEncode(keyword);
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}
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}
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return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
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}
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public getIndexQueryParametersFromUrl(params){
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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 = "";
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if(params[filterId] != undefined) {
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if(this.queryParameters == undefined){
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this.queryParameters = new Map<string,string>();
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}
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this.queryParameters[filterId]=decodeURIComponent(params[filterId]);
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let values = (decodeURIComponent(this.queryParameters[filterId])).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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var countvalues = 0
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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 ? " " + "or" + " ":"" ) + filterId + " exact " + value;//StringUtils.quote(value);
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}
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// parameters+= " ) ";
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if(countvalues > 0){
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fq="&fq="+fq;
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}
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allFqs += fq;
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}
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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 == 'datasets')){
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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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}
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}else{
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keywordQuery += "and ("+StringUtils.quote(StringUtils.URIEncode(keyword)) +")";
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}
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}
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return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
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}
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/*
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* Mark as check the new filters that are selected, when you get them from search
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*/
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public checkSelectedFilters(filters:Filter[]){
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this.filters = filters;
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for(var i=0; i< filters.length ; i++){
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var filter:Filter = filters[i];
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filter.countSelectedValues = 0;
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if(this.queryParameters[filter.filterId] != undefined) {
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let values = (decodeURIComponent(this.queryParameters[filter.filterId])).split(/,(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)/,-1);
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for(let filterValue of filter.values) {
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if(values.indexOf(StringUtils.quote(filterValue.id)) > -1) {
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filterValue.selected = true;
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filter.countSelectedValues++;
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}else{
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filterValue.selected = false;
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}
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}
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}else{
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for(let filterValue of filter.values) {
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filterValue.selected = false;
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}
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}
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}
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return filters;
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}
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/*
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* Update the url with proper parameters. This is used as base url in Paging Component
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*/
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public updateBaseUrlWithParameters(filters:Filter[]){
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this.baseURLWithParameters = this.baseUrl + this.createUrlParameters(filters,false);
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}
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296
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/*
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297
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*
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298
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*/
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private createUrlParameters(filters:Filter[], includePage:boolean){
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var allLimits="";//location.search.slice(1);
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this.parameterNames.splice(0,this.parameterNames.length);
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this.parameterValues.splice(0,this.parameterValues.length);
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303
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for (let filter of filters){
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var filterLimits="";
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if(filter.countSelectedValues > 0){
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for (let value of filter.values){
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if(value.selected == true){
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filterLimits+=((filterLimits.length == 0)?'':',') +'"'+ StringUtils.URIEncode(value.id)+'"';
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}
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}
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this.queryParameters[filter.filterId]=filterLimits;
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if(filterLimits.length > 0){
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this.parameterNames.push(filter.filterId);
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this.parameterValues.push(filterLimits);
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}
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allLimits+=(allLimits.length==0?"?":"&")+((filterLimits.length == 0 )?'':filter.filterId + '='+ filterLimits) ;
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}
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}
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if(this.searchUtils.keyword.length > 0 ){
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allLimits+=(allLimits.length==0?"?":"&")+'keyword=' + this.searchUtils.keyword;
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this.parameterNames.push("keyword");
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this.parameterValues.push(this.searchUtils.keyword);
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}
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if(this.searchUtils.page != 1 && includePage){
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allLimits+=((allLimits.length == 0)?'?':'&') + 'page=' + this.searchUtils.page;
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}
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328
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return allLimits;
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330
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}
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331
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/*
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332
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*
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333
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*/
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334
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private createSearchQueryParameters(filters:Filter[]){
|
|
335
|
var allFqs = "";
|
|
336
|
for (let filter of filters){
|
|
337
|
if(filter.countSelectedValues > 0){
|
|
338
|
var fq = "";
|
|
339
|
var count_selected=0;
|
|
340
|
for (let value of filter.values){
|
|
341
|
if(value.selected == true){
|
|
342
|
count_selected++;
|
|
343
|
fq+=(fq.length > 0 ? " " + filter.filterOperator + " ":"" ) + filter.filterId + " exact " + StringUtils.quote(StringUtils.URIEncode(value.id));
|
|
344
|
}
|
|
345
|
}
|
|
346
|
fq="&fq="+fq;
|
|
347
|
allFqs += fq;
|
|
348
|
}
|
|
349
|
}
|
|
350
|
var doiQuery = "";
|
|
351
|
var keywordQuery = "";
|
|
352
|
if((this.searchUtils.keyword && this.searchUtils.keyword.length > 0)){
|
|
353
|
if((this.type == 'publications' ||this.type == 'datasets')){
|
|
354
|
var DOIs:string[] = DOI.getDOIsFromString(this.searchUtils.keyword);
|
|
355
|
var doisParams = "";
|
|
356
|
|
|
357
|
for(var i =0 ;i < DOIs.length; i++){
|
|
358
|
doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
|
|
359
|
}
|
|
360
|
if(doisParams.length > 0){
|
|
361
|
doiQuery += "&"+doisParams;
|
|
362
|
}else{
|
|
363
|
keywordQuery += "&q="+StringUtils.URIEncode(this.searchUtils.keyword);
|
|
364
|
}
|
|
365
|
}else{
|
|
366
|
keywordQuery += "&q="+StringUtils.URIEncode(this.searchUtils.keyword);
|
|
367
|
}
|
|
368
|
}
|
|
369
|
|
|
370
|
return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
|
|
371
|
|
|
372
|
}
|
|
373
|
private createIndexQueryParameters(filters:Filter[]){
|
|
374
|
var allFqs = "";
|
|
375
|
for (let filter of filters){
|
|
376
|
if(filter.countSelectedValues > 0){
|
|
377
|
var count_selected=0;
|
|
378
|
var fq = "";
|
|
379
|
for (let value of filter.values){
|
|
380
|
if(value.selected == true){
|
|
381
|
count_selected++;
|
|
382
|
fq+=(fq.length > 0 ? " " + filter.filterOperator + " ":"" ) + filter.filterId + " exact " + StringUtils.quote(StringUtils.URIEncode(value.id));
|
|
383
|
}
|
|
384
|
}
|
|
385
|
if(count_selected > 0){
|
|
386
|
fq="&fq="+fq;
|
|
387
|
allFqs += fq;
|
|
388
|
}
|
|
389
|
}
|
|
390
|
}
|
|
391
|
var doiQuery = "";
|
|
392
|
var keywordQuery = "";
|
|
393
|
if((this.searchUtils.keyword && this.searchUtils.keyword.length > 0)){
|
|
394
|
if((this.type == 'publications' ||this.type == 'datasets')){
|
|
395
|
var DOIs:string[] = DOI.getDOIsFromString(this.searchUtils.keyword);
|
|
396
|
var doisParams = "";
|
|
397
|
for(var i =0 ;i < DOIs.length; i++){
|
|
398
|
doisParams+=(doisParams.length > 0?"&":"")+'doi="'+ DOIs[i]+'"';
|
|
399
|
}
|
|
400
|
if(doisParams.length > 0){
|
|
401
|
doiQuery += "&"+doisParams;
|
|
402
|
}
|
|
403
|
}else{
|
|
404
|
keywordQuery += " and ("+StringUtils.quote(StringUtils.URIEncode(this.searchUtils.keyword)) +")"
|
|
405
|
|
|
406
|
}
|
|
407
|
}
|
|
408
|
return (doiQuery.length > 0 ? doiQuery:keywordQuery) + allFqs;
|
|
409
|
|
|
410
|
}
|
|
411
|
private isFiltered(){
|
|
412
|
var filtered=false;
|
|
413
|
for (let filter of this.filters){
|
|
414
|
if(filter.countSelectedValues > 0){
|
|
415
|
filtered = true;
|
|
416
|
break;
|
|
417
|
}
|
|
418
|
}
|
|
419
|
if(this.searchUtils.keyword.length > 0 ){
|
|
420
|
filtered = true;
|
|
421
|
}
|
|
422
|
return filtered;
|
|
423
|
}
|
|
424
|
private clearKeywords(){
|
|
425
|
if(this.searchUtils.keyword.length > 0 ){
|
|
426
|
this.searchUtils.keyword ='';
|
|
427
|
}
|
|
428
|
this.goTo(1);
|
|
429
|
}
|
|
430
|
private clearFilters(){
|
|
431
|
for (var i =0 ; i < this.filters.length; i++){
|
|
432
|
for (var j=0; j < this.filters[i].countSelectedValues; j++){
|
|
433
|
if(this.filters[i].values[j].selected){
|
|
434
|
this.filters[i].values[j].selected = false;
|
|
435
|
}
|
|
436
|
this.filters[i].countSelectedValues = 0;
|
|
437
|
}
|
|
438
|
}
|
|
439
|
this.clearKeywords();
|
|
440
|
|
|
441
|
}
|
|
442
|
private removeFilter(value:Value,filter:Filter){
|
|
443
|
filter.countSelectedValues--;
|
|
444
|
if(value.selected == true){
|
|
445
|
value.selected = false;
|
|
446
|
}
|
|
447
|
this.goTo(1);
|
|
448
|
|
|
449
|
}
|
|
450
|
goTo(page:number = 1){
|
|
451
|
this.searchUtils.page = page;
|
|
452
|
console.info("searchUtils.page goto = "+this.searchUtils.page);
|
|
453
|
this.queryParameters = new Map<string,string>();
|
|
454
|
var urlParameters = this.createUrlParameters(this.filters,true);
|
|
455
|
console.info("urlParams : "+urlParameters);
|
|
456
|
this.updateBaseUrlWithParameters(this.filters);
|
|
457
|
var queryParameters = this.createSearchQueryParameters(this.filters);
|
|
458
|
console.info("queryParams : "+queryParameters);
|
|
459
|
var indexQuery = this.createIndexQueryParameters(this.filters);
|
|
460
|
|
|
461
|
this.location.go(location.pathname,urlParameters);
|
|
462
|
|
|
463
|
this.queryChange.emit({
|
|
464
|
value: queryParameters,
|
|
465
|
index:indexQuery
|
|
466
|
|
|
467
|
});
|
|
468
|
|
|
469
|
}
|
|
470
|
filterChanged($event){
|
|
471
|
console.info("filter Changed");
|
|
472
|
this.goTo(1);
|
|
473
|
}
|
|
474
|
keywordChanged($event) {
|
|
475
|
this.searchUtils.keyword = $event.value;
|
|
476
|
this.goTo(1);
|
|
477
|
}
|
|
478
|
|
|
479
|
downloadClicked($event) {
|
|
480
|
if($event.value == true) {
|
|
481
|
var queryParameters = this.createSearchQueryParameters(this.filters);
|
|
482
|
|
|
483
|
this.downloadClick.emit({
|
|
484
|
value: queryParameters
|
|
485
|
});
|
|
486
|
}
|
|
487
|
}
|
|
488
|
|
|
489
|
/*
|
|
490
|
* Get A sub-array of this.refineFields array, which contains the ids of the selected filters
|
|
491
|
*/
|
|
492
|
public getSelectedFilters():string[] {
|
|
493
|
var selected:string[] = [];
|
|
494
|
for(var i=0; i < this.filters.length; i++){
|
|
495
|
var filter:Filter = this.filters[i];
|
|
496
|
if(filter.countSelectedValues > 0){
|
|
497
|
selected.push(filter.filterId);
|
|
498
|
}
|
|
499
|
}
|
|
500
|
return selected;
|
|
501
|
}
|
|
502
|
/*
|
|
503
|
* Get A sub-array of this.refineFields array, which contains the ids of the selected parameters
|
|
504
|
*/
|
|
505
|
private getSelectedParameters():string[] {
|
|
506
|
var selected:string[] = [];
|
|
507
|
var params:string[] = Object.keys(this.queryParameters);
|
|
508
|
for(var i=0; i < params.length; i++){
|
|
509
|
if(this.refineFields.indexOf(params[i]) > -1){
|
|
510
|
selected.push(params[i]);
|
|
511
|
}
|
|
512
|
}
|
|
513
|
return selected;
|
|
514
|
}
|
|
515
|
/*
|
|
516
|
* 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 )
|
|
517
|
*/
|
|
518
|
public getFields():string[] {
|
|
519
|
var selected_filters:string[] = this.getSelectedFilters();
|
|
520
|
if(selected_filters.length == 0){
|
|
521
|
selected_filters = this.getSelectedParameters();
|
|
522
|
}
|
|
523
|
var fields:string[] = [];
|
|
524
|
for(var i =0 ; i < this.refineFields.length;i++){
|
|
525
|
var dependentTo = this.searchFieldsHelper.DEPENDENT_FIELDS[this.refineFields[i]];
|
|
526
|
|
|
527
|
//if filter is not marked as hidden OR it is hidden but it is dependent to a field that it IS selected
|
|
528
|
if(this.searchFieldsHelper.HIDDEN_FIELDS.indexOf(this.refineFields[i]) == -1 || (selected_filters.indexOf(dependentTo) != -1) ){
|
|
529
|
fields.push(this.refineFields[i]);
|
|
530
|
}
|
|
531
|
}
|
|
532
|
return fields;
|
|
533
|
}
|
|
534
|
/*
|
|
535
|
* Get a query string of all fields, that want to get from search (e.g. &fields=funderid&fields=projectstartyear&...))
|
|
536
|
*/
|
|
537
|
public getRefineFieldsQuery():string{
|
|
538
|
|
|
539
|
var fields:string[] = this.getFields();
|
|
540
|
var fieldsStr = ""
|
|
541
|
for(var i =0 ; i < fields.length ;i++){
|
|
542
|
fieldsStr+="&fields="+fields[i];
|
|
543
|
}
|
|
544
|
return "&refine=true"+fieldsStr;
|
|
545
|
}
|
|
546
|
|
|
547
|
// for loading
|
|
548
|
public openLoading(){
|
|
549
|
if(this.loading){
|
|
550
|
this.loading.open();
|
|
551
|
}
|
|
552
|
}
|
|
553
|
public closeLoading(){
|
|
554
|
if(this.loading){
|
|
555
|
this.loading.close();
|
|
556
|
}
|
|
557
|
}
|
|
558
|
getSelectedValues(filter):any{
|
|
559
|
var selected = [];
|
|
560
|
if(filter.countSelectedValues >0){
|
|
561
|
for (var i=0; i < filter.values.length; i++){
|
|
562
|
if(filter.values[i].selected){
|
|
563
|
selected.push(filter.values[i]);
|
|
564
|
}
|
|
565
|
}
|
|
566
|
}
|
|
567
|
return selected;
|
|
568
|
|
|
569
|
}
|
|
570
|
}
|