added view only flag.

public/styles.css

@@ -189,7 +189,7 @@ h1 {
 
 }
 
-#enterXR.inactive a {
+div.overlay div.inactive a {
     background-color: #222222;
     color: #555555;
     border-color: #222222;

src/controllers/base.ts

@@ -19,6 +19,7 @@ import {DiagramObject} from "../diagram/diagramObject";
 import {snapAll} from "./functions/snapAll";
 import {MeshTypeEnum} from "../diagram/types/meshTypeEnum";
 import {getMeshType} from "./functions/getMeshType";
+import {viewOnly} from "../util/functions/getPath";
 
 const CLICK_TIME = 300;
 
@@ -101,6 +102,9 @@ export class Base {
     protected initClicker(trigger: WebXRControllerComponent) {
         this._logger.debug("initTrigger");
         trigger.onButtonStateChangedObservable.add(() => {
+            if (viewOnly()) {
+                return;
+            }
             if (trigger.changes.pressed) {
                 if (trigger.pressed) {
                     if (this.diagramManager.diagramMenuManager.scaleMenu.mesh == this._meshUnderPointer) {
@@ -140,7 +144,7 @@ export class Base {
 
     private grab() {
         let mesh = this._meshUnderPointer
-        if (!mesh) {
+        if (!mesh || viewOnly()) {
             return;
         }
         this.grabbedMesh = mesh;

src/diagram/diagramMenuManager.ts

@@ -12,6 +12,7 @@ import {DiagramEventObserverMask} from "./types/diagramEventObserverMask";
 import {ConnectionPreview} from "../menus/connectionPreview";
 import {ScaleMenu2} from "../menus/ScaleMenu2";
 import {CameraMenu} from "../menus/cameraMenu";
+import {viewOnly} from "../util/functions/getPath";
 
 
 export class DiagramMenuManager {
@@ -38,7 +39,11 @@ export class DiagramMenuManager {
         });
         this.toolbox = new Toolbox();
         this.scaleMenu = new ScaleMenu2(this._notifier);
-
+        if (viewOnly()) {
+            this.toolbox.handleMesh.setEnabled(false);
+            //this.scaleMenu.handleMesh.setEnabled(false)
+            this.configMenu.handleMesh.setEnabled(false);
+        }
         controllers.controllerObservable.add((event: ControllerEvent) => {
             if (event.type == ControllerEventType.B_BUTTON) {
                 if (event.value > .8) {

src/react/webApp.tsx

@@ -1,17 +1,30 @@
 import {useEffect, useState} from "react";
 import {uploadImage} from "./functions/uploadImage";
+import {viewOnly} from "../util/functions/getPath";
 
 function MainMenu({onClick}) {
+    if (viewOnly()) {
         return (
             <div className="overlay mini" id="main">
                 <img height="120" src="/assets/ddd.svg" width="320"/>
                 <div id="enterXR" className="inactive"><a href="#" id="enterVRLink">Enter VR</a></div>
                 <QuestLink/>
+                <div id="download"><a href="#" id="downloadLink">Download Model</a></div>
+            </div>)
+    } else {
+        return (
+            <div className="overlay mini" id="main">
+                <img height="120" src="/assets/ddd.svg" width="320"/>
+                <div id="enterXR" className="inactive"><a href="#" id="enterVRLink">Enter VR</a></div>
+                <QuestLink/>
+
                 <div id="diagrams"><a href="#" id="diagramsLink" onClick={onClick}>Diagrams</a></div>
                 <div id="imageUpload"><a href="#" id="imageUploadLink" onClick={onClick}>Upload Image</a></div>
                 <div id="download"><a href="#" id="downloadLink">Download Model</a></div>
             </div>
         )
+    }
+
 }
 
 function CreateMenu({display, toggleCreateMenu}) {

src/util/functions/getPath.ts

@@ -6,3 +6,12 @@ export function getPath(): string {
         return null;
     }
 }
+
+export function getParameter(name: string) {
+    const searchParams = new URLSearchParams(window.location.search);
+    return searchParams.get(name);
+}
+
+export function viewOnly(): boolean {
+    return getParameter('viewonly') == 'true';
+}