Check for and remove "RTC" drive prefix when returning selected file …

…path added by the jupyter-collaboration (#541)

* Check for and remove "RTC:" prefix added by the jupyter-collaboration from the file path

* Require and pass app.serviceManager.contents to getSelectedFilePath, not whole app

* abstract path checking and manipulation into getLocalPath

* formatting

src/index.tsx

@@ -142,13 +142,33 @@ function getSelectedFileBaseName(widget: FileBrowser | null): string | null {
  return parts.join('.');
 }
 
-// Get the file name, with all parent directories, of the currently selected file.
-function getSelectedFilePath(widget: FileBrowser | null): string | null {
+/**
+ * Get the file name of the currently selected file with all parent directories, check
+ * for and remove "RTC" drive prefix potentially added by jupyter-collaboration.
+ */
+function getSelectedFilePath(
+ widget: FileBrowser | null,
+ contents: Contents.IManager
+): string | null {
  const selectedItem = getSelectedItem(widget);
  if (selectedItem === null) {
  return null;
  }
- return selectedItem.path;
+ return getLocalPath(selectedItem.path, contents);
+}
+
+/**
+ * Checks if path contains "RTC" drive prefix potentially added by jupyter-collaboration
+ * and returns a local path removing "RTC" prefix if needed
+ */
+export function getLocalPath(
+ path: string,
+ contents: Contents.IManager
+): string {
+ if (contents.driveName(path) === 'RTC') {
+ return contents.localPath(path);
+ }
+ return path;
 }
 
 // Get the containing directory of the file at a particular path.
@@ -260,7 +280,8 @@ function activatePlugin(
  execute: async () => {
  eventLogger('file-browser.create-job');
  const widget = fileBrowserTracker.currentWidget;
- const filePath = getSelectedFilePath(widget) ?? '';
+ const filePath =
+ getSelectedFilePath(widget, app.serviceManager.contents) ?? '';
 
  // Update the job form inside the notebook jobs widget
  const newCreateModel = emptyCreateJobModel();