Update views on local file changes

Integrate change that allow text and binary
local file changes to propogate to views.

Author: fredsa

src/ide/project.ts

@@ -118,6 +118,7 @@ export class CodeProject {
 
   callbackBuildResult: BuildResultCallback;
   callbackBuildStatus: BuildStatusCallback;
+  onFileChanged: (path: string, data: FileData) => void;
 
   constructor(worker, platform_id: string, platform, filesystem: ProjectFilesystem) {
     this.worker = worker;
@@ -128,6 +129,16 @@ export class CodeProject {
     worker.onmessage = (e) => {
       this.receiveWorkerMessage(e.data);
     };
+
+    filesystem.onFileSystemUpdate(async (path: string) => {
+      if (path in this.filedata) {
+        var data = await this.filesystem.getFileData(path);
+        if (data) {
+          this.updateFile(path, data);
+          if (this.onFileChanged) this.onFileChanged(path, data);
+        }
+      }
+    });
   }
 
   receiveWorkerMessage(data: WorkerResult) {

src/ide/ui.ts

@@ -261,6 +261,19 @@ async function initProject() {
   current_project.callbackBuildStatus = (busy: boolean) => {
     setBusyStatus(busy);
   };
+  // Update views when file contents change.
+  current_project.onFileChanged = (path: string, data: FileData) => {
+    var wnd = projectWindows.id2window[path];
+    if (wnd) {
+      if (wnd instanceof SourceEditor && typeof data === 'string') {
+        wnd.setText(data);
+      } else if (wnd instanceof BinaryFileView && data instanceof Uint8Array) {
+        wnd.setData(data);
+      } else {
+        console.warn('onFileChanged: unknown view or data type');
+      }
+    }
+  };
 }
 
 function setBusyStatus(busy: boolean) {