[ADF-2540] Lock node feature (#3138)

* add adf-node-lock directive

* add lock-node service + button in context menu

* unit tests

* docs

* unit tests fix

* Remove unnecessary imports

* PR changes

* Remove fit from tests

* Update specific node from list on lock/ulock

lib/content-services/content-node-selector/content-node-dialog.service.ts

@@ -16,20 +16,24 @@
  */
 
 import { MatDialog } from '@angular/material';
-import { Injectable } from '@angular/core';
+import { EventEmitter, Injectable, Output } from '@angular/core';
 import { ContentService } from '@alfresco/adf-core';
 import { Subject } from 'rxjs/Subject';
 import { Observable } from 'rxjs/Observable';
 import { ShareDataRow } from '../document-list/data/share-data-row.model';
 import { MinimalNodeEntryEntity, SitePaging } from 'alfresco-js-api';
-import { DataColumn, SitesService, TranslationService } from '@alfresco/adf-core';
+import { DataColumn, SitesService, TranslationService, PermissionsEnum } from '@alfresco/adf-core';
 import { DocumentListService } from '../document-list/services/document-list.service';
 import { ContentNodeSelectorComponent } from './content-node-selector.component';
 import { ContentNodeSelectorComponentData } from './content-node-selector.component-data.interface';
+import { NodeLockDialogComponent } from '../dialogs/node-lock.dialog';
 
 @Injectable()
 export class ContentNodeDialogService {
 
+    @Output()
+    error: EventEmitter<any> = new EventEmitter<any>();
+
     constructor(private dialog: MatDialog,
                 private contentService: ContentService,
                 private documentListService: DocumentListService,
@@ -45,6 +49,32 @@ export class ContentNodeDialogService {
         });
     }
 
+    /**
+     * Opens a lock node dialog
+     *
+     * @param contentEntry Node to lock
+     */
+    public openLockNodeDialog(contentEntry: MinimalNodeEntryEntity): Subject<string> {
+        const observable: Subject<string> = new Subject<string>();
+
+        if (this.contentService.hasPermission(contentEntry, PermissionsEnum.LOCK)) {
+            this.dialog.open(NodeLockDialogComponent, {
+                data: {
+                    node: contentEntry,
+                    onError: (error) => {
+                        this.error.emit(error);
+                        observable.error(error);
+                    }
+                },
+                width: '400px'
+            });
+        } else {
+            observable.error('OPERATION.FAIL.NODE.NO_PERMISSION');
+        }
+
+        return observable;
+    }
+
     /** Opens a file browser at a chosen site location. */
     openFileBrowseDialogBySite(): Observable<MinimalNodeEntryEntity[]> {
        return this.siteService.getSites().switchMap((response: SitePaging) => {