[ACA-213] Edit Offline (#909)

* WRITE_LOCK evaluator

* evaluate actions for WRITE_LOCK

* edit offline action

* DL icon for WRITE_LOCK files

* edit offline directive

* custom name column

* localisation

* toggle offline edit extension

* move takeUntil operator

* add tooltip

* better selector to differentiate Edit folder from Edit Offline

* default to empty object for null properties object

* isPersonalFiles evaluator

* isLibraryFiles evaluator

* isLibraryFiles evaluator

* isPersonalFiles evaluator

* update canEditLockedFile rule

src/app/components/dl-custom-components/locked-by/locked-by.component.scss

@@ -0,0 +1,11 @@
+.aca-locked-by {
+  .locked_by--icon {
+    font-size: 16px;
+    width: 16px;
+    height: 16px;
+  }
+
+  .locked_by--name {
+    font-size: 12px;
+  }
+}

src/app/components/dl-custom-components/locked-by/locked-by.component.ts

@@ -0,0 +1,61 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {
+  Component,
+  Input,
+  OnInit,
+  ChangeDetectionStrategy,
+  ViewEncapsulation
+} from '@angular/core';
+
+import { NodeEntry } from '@alfresco/js-api';
+
+@Component({
+  selector: 'aca-locked-by',
+  template: `
+    <mat-icon class="locked_by--icon">lock</mat-icon>
+    <span class="locked_by--name">{{ writeLockedBy() }}</span>
+  `,
+  styleUrls: ['./locked-by.component.scss'],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+  encapsulation: ViewEncapsulation.None,
+  host: {
+    class: 'aca-locked-by'
+  }
+})
+export class LockByComponent implements OnInit {
+  @Input()
+  context: any;
+
+  node: NodeEntry;
+
+  constructor() {}
+
+  ngOnInit() {
+    this.node = this.context.row.node;
+  }
+
+  writeLockedBy() {
+    return (
+      this.node &&
+      this.node.entry.properties &&
+      this.node.entry.properties['cm:lockOwner'] &&
+      this.node.entry.properties['cm:lockOwner'].displayName
+    );
+  }
+}