FEAT #13271 TIME 1:30 add show more / less

src/frontend/app/search/filter-tool/filter-tool.component.html

@@ -7,8 +7,11 @@
     <mat-selection-list #filterList *ngFor="let filterKey of filters | keyvalue" class="filter-list">
         <div class="catGroupTitle">{{'lang.'+filterKey.key | translate}} ({{filters[filterKey.key].length}})</div>
         <mat-divider style="width: 80%;"></mat-divider>
-        <mat-list-option color="primary" class="catContent" *ngFor="let cat of filters[filterKey.key];let i=index" (click)="toggleFilter(filterKey.key,i)" [selected]="cat.selected" checkboxPosition="before" [disabled]="isLoadingResults">
-            <span class="catLabel" [title]="cat.label">{{cat.id !== null ? cat.label : 'lang.undefined' | translate}}</span><span class="catBadge">{{cat.count}}</span>
-        </mat-list-option>
+        <ng-container *ngFor="let cat of filters[filterKey.key];let i=index">
+            <mat-list-option color="primary" class="catContent" *ngIf="i <= 5 || showMore[filterKey.key]" (click)="toggleFilter(filterKey.key,i)" [selected]="cat.selected" checkboxPosition="before" [disabled]="isLoadingResults">
+                <span class="catLabel" [title]="cat.label">{{cat.id !== null ? cat.label : 'lang.undefined' | translate}}</span><span class="catBadge">{{cat.count}}</span>
+            </mat-list-option>
+        </ng-container>
+        <button mat-button *ngIf="filters[filterKey.key].length > 5" style="width:100%;" color="primary" (click)="toggleDisplay(filterKey.key)">{{showMore[filterKey.key] ?  ('lang.less' | translate) : ('lang.more' | translate) }}<mat-icon style="height:auto;" class="fas" [class.fa-chevron-down]="!showMore[filterKey.key]" [class.fa-chevron-up]="showMore[filterKey.key]"></mat-icon></button>
     </mat-selection-list>
 </mat-expansion-panel>

src/frontend/app/search/filter-tool/filter-tool.component.ts

@@ -14,6 +14,8 @@ export class FilterToolComponent implements OnInit {
     @Input() filters: any = {};
     @Input() isLoadingResults: boolean = false;
 
+    showMore = {};
+
     @Output() filterChanged = new EventEmitter<any>();
 
     constructor(
@@ -33,4 +35,8 @@ export class FilterToolComponent implements OnInit {
         this.filters[key][index].selected = !this.filters[key][index].selected;
         this.filterChanged.emit();
     }
+
+    toggleDisplay(key: string) {
+        this.showMore[key] = !this.showMore[key];
+    }
 }