openaire-library/searchPages/searchUtils/searchFilter.component.ts

327 lines
9.3 KiB
TypeScript

import {
Component,
Input,
Output,
EventEmitter,
OnInit,
OnChanges,
SimpleChanges
} from '@angular/core';
import {Filter, Value} from './searchHelperClasses.class';
import {ActivatedRoute, Router} from "@angular/router";
import {SearchFields} from "../../utils/properties/searchFields";
import {HelperFunctions} from "../../utils/HelperFunctions.class";
import {Option} from "../../sharedComponents/input/input.component";
@Component({
selector: 'search-filter',
templateUrl: 'searchFilter.component.html'
})
export class SearchFilterComponent implements OnInit, OnChanges {
@Input() filter: Filter;
@Input() showResultCount: boolean = true;
@Input() isDisabled: boolean = false;
@Input() addShowMore: boolean = true;
@Input() showMoreInline: boolean = true;
@Input() filterValuesNum: number = 6;
public showAll: boolean = false;
public _maxCharacters: number = 28;
@Output() toggleModal = new EventEmitter();
@Output() modalChange = new EventEmitter();
@Output() onFilterChange = new EventEmitter();
keyword = "";
sortBy: "name" | "num" = "name";
sortByOptions: Option[] = [{label: 'Results number', value: 'num'}, {label: 'Name', value: 'name'}];
queryParams = {};
paramPosition = 0;
@Input() actionRoute: boolean = false;
@Input() quickFilter: { filter: Filter, selected: boolean, filterId: string, value: string };
sub;
public isOpen: boolean = false;
sortedValues;
constructor(private _router: Router, private route: ActivatedRoute) {
}
ngOnDestroy() {
if (this.sub) {
this.sub.unsubscribe();
}
}
ngOnInit() {
if(this.filterValuesNum == 0){
this.isOpen = true;
this.sortBy = "num";
}else{
this.isOpen = false;
}
this.sub = this.route.queryParams.subscribe(params => {
this.queryParams = Object.assign({}, params);
this.paramPosition = SearchFields.getParameterOrder(this.filter.filterId, this.getEntries(params));
});
this.filter.values = this.filter.values.filter(value => !value.name.toLowerCase().includes('unknown') && !value.name.toLowerCase().includes('not available'));
this.sort();
if (this.filter.filterType == "radio") {
this.filter.radioValue = "";
this.filter.values.forEach(value => {
if (value.selected) {
this.filter.radioValue = value.id
}
});
}
}
ngOnChanges(changes: SimpleChanges) {
if (changes.filter) {
this.filter.values = this.filter.values.filter(value => !value.name.toLowerCase().includes('unknown') && !value.name.toLowerCase().includes('not available'));
if (this.filter.filterType == "radio") {
this.filter.radioValue = "";
this.filter.values.forEach(value => {
if (value.selected) {
this.filter.radioValue = value.id
}
});
}
}
}
public _formatTitle(title, length) {
return (((title + " (" + length + ")").length > this._maxCharacters) ? (title.substring(0, (this._maxCharacters - (" (" + length + ")").length - ('...').length)) + "...") : title) + " (" + (length > 95 ? "100" : length) + ")";
}
public _formatName(value) {
//let maxLineLength = 24;
let maxLineLength = 35;
//1 space after checkbox
//3 space before number + parenthesis
if (!this.showResultCount && value.name.length + 1 > maxLineLength) {
return value.name.substr(0, maxLineLength - 3 - 1) + '...';
}
if (value.name.length + value.number.toLocaleString().length + 1 + 3 > maxLineLength) {
return value.name.substr(0, (maxLineLength - 3 - 4 - value.number.toLocaleString().length)) + '...';
}
return value.name;
}
filterKeywords(value) {
if (this.keyword.length > 0) {
if (value.toLowerCase().indexOf(this.keyword.toLowerCase()) == -1) {
return false;
}
}
return true;
}
filterChange(selected: boolean) {
if (selected) {
this.filter.countSelectedValues++;
} else {
this.filter.countSelectedValues--;
}
this.onFilterChange.emit({
value: this.filter
});
}
uniqueFilterChange(value: Value) {
let tmp = value.selected;
value.selected = !tmp;
if (value.selected) {
this.filter.countSelectedValues = 1;
} else {
this.filter.countSelectedValues = 0;
}
this.filter.values.forEach(value => {
value.selected = (value.id == this.filter.radioValue);
});
this.onFilterChange.emit({
value: this.filter
});
}
clearFilter() {
for (var i = 0; i < this.filter.values.length; i++) {
this.filter.values[i].selected = false;
}
this.filter.countSelectedValues = 0;
this.onFilterChange.emit({
value: this.filter
});
this.filter.radioValue = "";
}
getSelectedAndTopValues(filter, topNum: number = 6): any {
var values = [];
for (let i = 0; i < topNum; i++) {
if (filter.values.length <= i) {
break;
}
values.push(filter.values[i]);
}
if (filter.countSelectedValues > 0) {
for (let i = topNum; i < filter.values.length; i++) {
if (filter.values[i].selected) {
values.push(filter.values[i]);
}
}
}
return values;
}
getSelectedValues(filter, sortBy: string = "num"): any {
var selected = [];
if (filter.countSelectedValues > 0) {
for (var i = 0; i < filter.values.length; i++) {
if (filter.values[i].selected) {
selected.push(filter.values[i]);
}
}
}
if (sortBy == "name") {
selected.sort((n1, n2) => {
if (n1.name > n2.name) {
return 1;
}
if (n1.name < n2.name) {
return -1;
}
return 0;
});
}
return selected;
}
getNotSelectedValues(filter, sortBy: string = "num"): any {
var notSselected = [];
for (var i = 0; i < filter.values.length; i++) {
if (!filter.values[i].selected) {
notSselected.push(filter.values[i]);
}
}
if (sortBy == "name") {
notSselected.sort((n1, n2) => {
if (n1.name > n2.name) {
return 1;
}
if (n1.name < n2.name) {
return -1;
}
return 0;
});
}
return notSselected;
}
sort() {
let sorted: Value[] = this.filter.values.slice();
if (this.sortBy == "name") {
sorted.sort((n1, n2) => {
if (this.filter.filterId === "sdg") {
return HelperFunctions.sortSDGs(n1.name.toLowerCase(), n2.name.toLowerCase());
} else {
if (n1.name.toLowerCase() > n2.name.toLowerCase()) {
return 1;
}
if (n1.name < n2.name) {
return -1;
}
return 0;
}
});
}
this.sortedValues = Object.assign(sorted);
}
toggle(event) {
this.isOpen = !this.isOpen;
event.stopPropagation();
}
disabled(value) {
return this.isDisabled || (this.showResultCount && value === 0);
}
getFilterName(value) {
let name = value.name + " (" + value.number.format() + ")";
return name;
}
getRoute() {
return this._router.url.split("?")[0];
}
getParams(filter: Filter, value: Value) {
let params = Object.assign({}, this.queryParams);
/* let qf=false;
if(this.quickFilter && this.quickFilter.filterId == filter.filterId && this.quickFilter.selected && value.id == this.quickFilter.value){
params['qf']="false";
qf=true;
}*/
if (params[filter.filterId] && this.checkIfValueIndexOf(params[filter.filterId].split(','), value.id) == -1 /*&& !qf*/) {
//has other values of this filter --> add this value
params[filter.filterId] = params[filter.filterId] + ',' + '"' + encodeURIComponent(value.id) + '"';
} else if (params[filter.filterId] && this.checkIfValueIndexOf(params[filter.filterId].split(','), value.id) != -1) {
// has this filter and the value -- > remove it
let values = params[filter.filterId].split(',');
values.splice(this.checkIfValueIndexOf(values, value.id), 1);
params[filter.filterId] = values.join(',');
if (values.length == 0) {
delete params[filter.filterId];
}
} else /*if(!qf)*/{
//has no filter, no value --> add the value
//check the order
let keyValues = this.getEntries(params);
keyValues.splice(this.paramPosition, 0, [filter.filterId, '"' + encodeURIComponent(value.id) + '"']); // insert key value at paramPosition.
params = keyValues.reduce((o, key) => Object.assign(o, {[key[0]]: key[1]}), {});
// params[filter.filterId] = '"' + encodeURIComponent(value.id) + '"' ;
}
delete params['page'];
return params;
}
checkIfValueIndexOf(array, value) {
let encodedValue = encodeURIComponent(value);
if (array.indexOf(encodedValue) != -1) {
return array.indexOf(encodedValue);
}
if (array.indexOf('"' + encodedValue + '"') != -1) {
return array.indexOf('"' + encodedValue + '"');
}
return -1;
}
getEntries(obj) {
if (!Object.entries) {
var ownProps = Object.keys(obj),
i = ownProps.length,
resArray = new Array(i); // preallocate the Array
while (i--)
resArray[i] = [ownProps[i], obj[ownProps[i]]];
return resArray;
} else {
return Object.entries(obj);
}
}
}