Ensure maximum number of results is shown in FAYT results

Refs #371

ng2-components/ng2-alfresco-search/src/components/alfresco-search-autocomplete.component.spec.ts

@@ -110,6 +110,21 @@ describe('AlfrescoSearchAutocompleteComponent', () => {
             updateSearchTerm('searchTerm');
         });
 
+        it('should limit the number of returned search results to the configured maximum', (done) => {
+
+            spyOn(searchService, 'getSearchNodesPromise')
+                .and.returnValue(Promise.resolve(results));
+
+            component.resultsEmitter.subscribe(() => {
+                fixture.detectChanges();
+                expect(element.querySelectorAll('table[data-automation-id="autocomplete_results"] tbody tr').length).toBe(2);
+                done();
+            });
+
+            component.maxResults = 2;
+            updateSearchTerm('searchTerm');
+        });
+
         it('should display the correct thumbnail for result items', (done) => {
 
             spyOn(searchService, 'getSearchNodesPromise')

ng2-components/ng2-alfresco-search/src/components/alfresco-search-autocomplete.component.ts

@@ -40,6 +40,9 @@ export class AlfrescoSearchAutocompleteComponent implements OnInit, OnChanges {
     @Input()
     ngClass: any;
 
+    @Input()
+    maxResults: number = 5;
+
     @Output()
     preview: EventEmitter<any> = new EventEmitter();
 
@@ -83,13 +86,13 @@ export class AlfrescoSearchAutocompleteComponent implements OnInit, OnChanges {
      * Loads and displays search results
      * @param searchTerm Search query entered by user
      */
-    public displaySearchResults(searchTerm) {
+    private displaySearchResults(searchTerm) {
         if (searchTerm !== null && searchTerm !== '') {
             this.alfrescoSearchService
                 .getLiveSearchResults(searchTerm)
                 .subscribe(
                     results => {
-                        this.results = results.list.entries;
+                        this.results = results.list.entries.slice(0, this.maxResults);
                         this.errorMessage = null;
                         this.resultsEmitter.emit(this.results);
                     },