[ADF-2553] added select box and updating role (#3148)

* [ADF-2553] start adding dropdown

* [ADF-2553] added select box and updating role

* [ADF-2553] added some fixes

* [ADF-2554] added test for component phase 1

* [ADF-2553] fixed error and added tests

* [ADF-2553] added documentation and improved api call

docs/content-services/node-permission.service.md

@@ -0,0 +1,38 @@
+---
+Added: v2.0.0
+Status: Active
+---
+# Node Permission service
+
+Manages the role permissions for the content nodes
+
+## Methods
+
+-   `getNodeRoles(node: MinimalNodeEntryEntity): Observable<string[]>`  
+    Gets a list of roles for the current node.  
+    -   `node` - the target node
+-   `updatePermissionRoles(node: MinimalNodeEntryEntity, updatedPermissionRole: PermissionElement): Observable<MinimalNodeEntryEntity>`  
+    Update the given permission for the related node
+    - `node` - the target node
+    - `updatedPermissionRole` the permission role to update/add
+
+-   `getGroupMemeberByGroupName(groupName: string, opts?: any): Observable<GroupMemberPaging>`  
+    Perform a call to the groups api to retrieve all the members related to that group name.
+    - `groupName` the members group name
+    - `opts` additional parameters to perform the call
+
+
+## Details
+
+Content Services supports
+This service needs the support for the groups api fo content services that is available from version 5.2.1
+
+See the
+[Groups API](https://github.com/Alfresco/alfresco-js-api/blob/master/src/alfresco-core-rest-api/docs/GroupssApi.md)
+in the Alfresco JS API for more information about the types returned by Tag
+service methods and for the implementation of the REST API the service is
+based on.
+
+## See also
+
+-   [Permission list component](permission-list.component.md)

docs/content-services/permission-list.component.md

@@ -23,7 +23,15 @@ Shows node permissions as a table.
 | ---- | ---- | ------------- | ----------- |
 | nodeId | `string` | `null` | ID of the node whose permissions you want to show.  |
 
+### Events
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| update | `PermissionElement` | Emitted when the permission is updated. |
+
 ## Details
 
 This component uses a [Datatable component](../core/datatable.component.md) to show the
-permissions retrieved from the [Node service](../core/node.service.md).
+permissions retrieved from the [Node service](../core/node.service.md).
+For the locallyset permissions a role dropdown will be showed allowing the user to change it.
+When user select a new value, the permission role is automatically updated and the `update` event is thrown.