Off-dusting.

Author: dbadb

src/app/app.js

@@ -14,7 +14,7 @@ import {FileSystem} from "./filesystem.js";
 
 export default class ImguiApp
 {
-    constructor(appname="UntitledImguiApp", version="1.0.0")
+    constructor(appname="UntitledImguiApp", version="1.0.0", initLog=true)
     {
         console.debug("App Init " + new Date().toLocaleString());
         this.appname = appname;
@@ -50,6 +50,11 @@ export default class ImguiApp
             return this.IsMobileDevice();
     }
 
+    OnLogActivity(msg, level)
+    {
+        // overridable
+    }
+
     IsMobileDevice()
     {
         if((typeof window.orientation !== "undefined") || 
@@ -128,14 +133,16 @@ export default class ImguiApp
         }
     }
 
-    OnLoop(time) // called e.g. 60 fps
+    OnLoop(time) // called e.g. 60 fps, subclass may override
     {
         if(!this.canvas) return;
         if(this.imgui.NewFrame(time))
         {
             this.ShowContextMenu(this.imgui);
-            this.FileBrowser.Show(this.imgui); // manages its own IsOpen state
-            this.Log.Show(this.imgui, "Log");
+            if(this.FileBrowser)
+                this.FileBrowser.Show(this.imgui); // manages its own IsOpen state
+            if(this.Log)
+                this.Log.Show(this.imgui, "Log");
             this.OnFrame(this.imgui); // subclass hooks in here
             this.imgui.Render(); // calls EndFrame
         }
@@ -158,9 +165,12 @@ export default class ImguiApp
     {
         if(imgui.BeginPopupContextVoid("ContextMenu", 1))
         {
-            if(imgui.MenuItem("Log", null, this.Log.IsShowing.get()))
+            if(this.Log)
             {
-                this.Log.IsShowing.toggle();
+                if(imgui.MenuItem("Log", null, this.Log.IsShowing.get()))
+                {
+                    this.Log.IsShowing.toggle();
+                }
             }
 
             this.AppendContextMenu(imgui);

src/panels/filebrowser.js

@@ -60,6 +60,11 @@ export class FileBrowser
         this.imgui = null;
     }
 
+    InstallFilesys(filesys)
+    {
+        this.filesys = filesys;
+    }
+
     Begin(imgui)
     {
         this.imgui = imgui;