[ADF-1404] Data Column enhancements for Document List (#2220)

* support 'timeAgo' format for data-column

* file size column type and bug fixes

* readme updates

* location column type

* readme fixes

* update unit tests

* file size pipe tests

ng2-components/ng2-alfresco-datatable/src/components/datatable/location-cell.component.ts

@@ -0,0 +1,60 @@
+/*!
+ * @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 { ChangeDetectionStrategy, Component, Input, OnInit, ViewEncapsulation } from '@angular/core';
+import { PathInfoEntity } from 'alfresco-js-api';
+import { DataTableCellComponent } from './datatable-cell.component';
+
+@Component({
+    selector: 'adf-location-cell',
+    changeDetection: ChangeDetectionStrategy.OnPush,
+    template: `
+        <ng-container>
+            <a href="" [title]="tooltip" [routerLink]="link">
+                {{ displayText }}
+            </a>
+        </ng-container>
+    `,
+    encapsulation: ViewEncapsulation.None,
+    host: { class: 'adf-location-cell' }
+})
+export class LocationCellComponent extends DataTableCellComponent implements OnInit {
+
+    @Input()
+    tooltip: string = '';
+
+    @Input()
+    link: any[];
+
+    @Input()
+    displayText: string = '';
+
+    /** @override */
+    ngOnInit() {
+        if (!this.value && this.column && this.column.key && this.row && this.data) {
+            const path: PathInfoEntity = this.data.getValue(this.row, this.column);
+            if (path) {
+                this.value = path;
+                this.displayText = path.name.split('/').pop();
+                this.tooltip = path.name;
+
+                const parent = path.elements[path.elements.length - 1];
+                this.link = [ this.column.format, parent.id ];
+            }
+        }
+    }
+}