From fda6cbb540ae4adf76640f4af8a79458cd7ab114 Mon Sep 17 00:00:00 2001
From: Sylvia Crowe <software@oneirocosm.com>
Date: Tue, 4 Feb 2025 11:59:20 -0800
Subject: [PATCH] feat: add read only marker and read only mode

---
 frontend/app/view/codeeditor/codeeditor.tsx |  6 ++--
 frontend/app/view/preview/preview.tsx       | 39 ++++++++++++++++-----
 2 files changed, 35 insertions(+), 10 deletions(-)

diff --git a/frontend/app/view/codeeditor/codeeditor.tsx b/frontend/app/view/codeeditor/codeeditor.tsx
index a71bd8a7cc..10fe3b4bbe 100644
--- a/frontend/app/view/codeeditor/codeeditor.tsx
+++ b/frontend/app/view/codeeditor/codeeditor.tsx
@@ -112,13 +112,14 @@ interface CodeEditorProps {
     blockId: string;
     text: string;
     filename: string;
+    fileinfo: FileInfo;
     language?: string;
     meta?: MetaType;
     onChange?: (text: string) => void;
     onMount?: (monacoPtr: MonacoTypes.editor.IStandaloneCodeEditor, monaco: Monaco) => () => void;
 }
 
-export function CodeEditor({ blockId, text, language, filename, meta, onChange, onMount }: CodeEditorProps) {
+export function CodeEditor({ blockId, text, language, filename, fileinfo, meta, onChange, onMount }: CodeEditorProps) {
     const divRef = useRef<HTMLDivElement>(null);
     const unmountRef = useRef<() => void>(null);
     const minimapEnabled = useOverrideConfigAtom(blockId, "editor:minimapenabled") ?? false;
@@ -169,12 +170,13 @@ export function CodeEditor({ blockId, text, language, filename, meta, onChange,
 
     const editorOpts = useMemo(() => {
         const opts = defaultEditorOptions();
+        opts.readOnly = fileinfo.readonly;
         opts.minimap.enabled = minimapEnabled;
         opts.stickyScroll.enabled = stickyScrollEnabled;
         opts.wordWrap = wordWrap ? "on" : "off";
         opts.fontSize = fontSize;
         return opts;
-    }, [minimapEnabled, stickyScrollEnabled, wordWrap, fontSize]);
+    }, [minimapEnabled, stickyScrollEnabled, wordWrap, fontSize, fileinfo.readonly]);
 
     return (
         <div className="code-editor-wrapper">
diff --git a/frontend/app/view/preview/preview.tsx b/frontend/app/view/preview/preview.tsx
index 6d046b5ed7..69ff27ffb2 100644
--- a/frontend/app/view/preview/preview.tsx
+++ b/frontend/app/view/preview/preview.tsx
@@ -259,14 +259,35 @@ export class PreviewModel implements ViewModel {
                 saveClassName = "green";
             }
             if (isCeView) {
-                viewTextChildren.push({
-                    elemtype: "textbutton",
-                    text: "Save",
-                    className: clsx(
-                        `${saveClassName} warning border-radius-4 vertical-padding-2 horizontal-padding-10 font-size-11 font-weight-500`
-                    ),
-                    onClick: () => fireAndForget(this.handleFileSave.bind(this)),
-                });
+                const fileInfo = globalStore.get(this.loadableFileInfo);
+                if (fileInfo.state != "hasData") {
+                    viewTextChildren.push({
+                        elemtype: "textbutton",
+                        text: "Loading ...",
+                        className: clsx(
+                            `grey warning border-radius-4 vertical-padding-2 horizontal-padding-10 font-size-11 font-weight-500`
+                        ),
+                        onClick: () => {},
+                    });
+                } else if (fileInfo.data.readonly) {
+                    viewTextChildren.push({
+                        elemtype: "textbutton",
+                        text: "Read Only",
+                        className: clsx(
+                            `yellow warning border-radius-4 vertical-padding-2 horizontal-padding-10 font-size-11 font-weight-500`
+                        ),
+                        onClick: () => {},
+                    });
+                } else {
+                    viewTextChildren.push({
+                        elemtype: "textbutton",
+                        text: "Save",
+                        className: clsx(
+                            `${saveClassName} warning border-radius-4 vertical-padding-2 horizontal-padding-10 font-size-11 font-weight-500`
+                        ),
+                        onClick: () => fireAndForget(this.handleFileSave.bind(this)),
+                    });
+                }
                 if (get(this.canPreview)) {
                     viewTextChildren.push({
                         elemtype: "textbutton",
@@ -934,6 +955,7 @@ function CodeEditPreview({ model }: SpecializedViewProps) {
     const fileContent = useAtomValue(model.fileContent);
     const setNewFileContent = useSetAtom(model.newFileContent);
     const fileName = useAtomValue(model.statFilePath);
+    const fileInfo = useAtomValue(model.statFile);
     const blockMeta = useAtomValue(model.blockAtom)?.meta;
 
     function codeEditKeyDownHandler(e: WaveKeyboardEvent): boolean {
@@ -985,6 +1007,7 @@ function CodeEditPreview({ model }: SpecializedViewProps) {
             blockId={model.blockId}
             text={fileContent}
             filename={fileName}
+            fileinfo={fileInfo}
             meta={blockMeta}
             onChange={(text) => setNewFileContent(text)}
             onMount={onMount}