From 129a369a2ad22e1da9ce1fdee535a6c4238c4449 Mon Sep 17 00:00:00 2001
From: Eugenio Romano <eugenio.romano@alfresco.com>
Date: Fri, 3 Jun 2016 12:36:19 +0100
Subject: [PATCH] #68 add shortcut

---
 .../src/newPageViewer.component.ts            | 36 +++++++++++++++++++
 .../src/viewer.component.ts                   | 10 ++++--
 2 files changed, 43 insertions(+), 3 deletions(-)
 create mode 100644 ng2-components/ng2-alfresco-viewer/src/newPageViewer.component.ts

diff --git a/ng2-components/ng2-alfresco-viewer/src/newPageViewer.component.ts b/ng2-components/ng2-alfresco-viewer/src/newPageViewer.component.ts
new file mode 100644
index 0000000000..8b08de2fbc
--- /dev/null
+++ b/ng2-components/ng2-alfresco-viewer/src/newPageViewer.component.ts
@@ -0,0 +1,36 @@
+/*!
+ * @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, Output, HostListener, RouteConfig } from 'angular2/core';
+import { ViewerComponent } from 'viewer.component';
+
+declare let PDFJS: any;
+declare let __moduleName: string;
+
+@Component({
+    moduleId: __moduleName,
+    selector: 'new-page-viewer',
+    template: `   <alfresco-viewer [showViewer]="true" [overlayMode]="true" [urlFile]="'localTestFile.pdf'">
+                    <div class="mdl-spinner mdl-js-spinner is-active"></div>
+                   </alfresco-viewer>`,
+    directives: [ViewerComponent]
+})
+export class ViewerComponent {
+    constructor() {
+        console.log('constructor');
+    }
+}
diff --git a/ng2-components/ng2-alfresco-viewer/src/viewer.component.ts b/ng2-components/ng2-alfresco-viewer/src/viewer.component.ts
index 4836f0e337..ef0cf4de1b 100644
--- a/ng2-components/ng2-alfresco-viewer/src/viewer.component.ts
+++ b/ng2-components/ng2-alfresco-viewer/src/viewer.component.ts
@@ -103,7 +103,7 @@ export class ViewerComponent {
      * load the previous page
      */
     previousPage() {
-        if (this.page > 1) {
+        if (this.pdfViewer && this.page > 1) {
             this.page--;
             this.displayPage = this.page;
 
@@ -121,7 +121,7 @@ export class ViewerComponent {
      * load the next page
      */
     nextPage() {
-        if (this.page < this.totalPages) {
+        if (this.pdfViewer && this.page < this.totalPages) {
             this.page++;
             this.displayPage = this.page;
 
@@ -149,8 +149,12 @@ export class ViewerComponent {
     @HostListener('document:keydown', ['$event'])
     handleKeyboardEvent(event: KeyboardEvent) {
         let key = event.keyCode;
-        if (key === 27) {//esc
+        if (key === 27) { //esc
             this.close();
+        } else if (key === 39) { //right arrow
+            this.nextPage();
+        } else if (key === 37) {//left arrow
+            this.previousPage();
         }
     }