[ACS-5631] Improved page layout and provide documentation (#3346)

* page layout supports CSS selectors

* migrate to using CSS selectors for page layout

* add docs

projects/aca-content/src/lib/components/trashcan/trashcan.component.html

@@ -1,5 +1,5 @@
 <aca-page-layout>
-  <aca-page-layout-header>
+  <div class="aca-page-layout-header">
     <adf-breadcrumb root="APP.BROWSE.TRASHCAN.TITLE"> </adf-breadcrumb>
 
     <adf-toolbar class="adf-toolbar--inline">
@@ -7,9 +7,9 @@
         <aca-toolbar-action [actionRef]="entry"></aca-toolbar-action>
       </ng-container>
     </adf-toolbar>
-  </aca-page-layout-header>
+  </div>
 
-  <aca-page-layout-content>
+  <div class="aca-page-layout-content">
     <div class="main-content">
       <adf-document-list
         #documentList
@@ -77,5 +77,5 @@
 
       <adf-pagination acaPagination [target]="documentList"> </adf-pagination>
     </div>
-  </aca-page-layout-content>
+  </div>
 </aca-page-layout>

projects/aca-content/src/lib/components/trashcan/trashcan.component.ts

@@ -25,15 +25,7 @@
 import { getUserProfile } from '@alfresco/aca-shared/store';
 import { DocumentListPresetRef, ExtensionsModule } from '@alfresco/adf-extensions';
 import { Component, OnInit, ViewEncapsulation } from '@angular/core';
-import {
-  ContextActionsDirective,
-  PageComponent,
-  PageLayoutComponent,
-  PageLayoutContentComponent,
-  PageLayoutHeaderComponent,
-  PaginationDirective,
-  ToolbarActionComponent
-} from '@alfresco/aca-shared';
+import { ContextActionsDirective, PageComponent, PageLayoutComponent, PaginationDirective, ToolbarActionComponent } from '@alfresco/aca-shared';
 import { CommonModule } from '@angular/common';
 import { TranslateModule } from '@ngx-translate/core';
 import { BreadcrumbModule, DocumentListModule } from '@alfresco/adf-content-services';
@@ -56,8 +48,6 @@ import { DocumentListDirective } from '../../directives/document-list.directive'
     ContextActionsDirective,
     PaginationDirective,
     ToolbarActionComponent,
-    PageLayoutContentComponent,
-    PageLayoutHeaderComponent,
     PageLayoutComponent
   ],
   templateUrl: './trashcan.component.html',