The Contextual Menu of the Current Editor Tab

The contextual menu is available when you right-click the current editor tab label. It includes the following actions:
Close
Closes the current editor.
Close Other Files
Closes all opened editor but the one you are currently viewing.
Close All
Closes all opened editors.
Reopen last closed editor
Reopens the last closed editor.
Maximize/Restore Editor Area
Collapses all the side views and spans the editing are to cover the entire width of the main window.
Add to project
Adds the file you are editing to the current project.
Add all to project
Adds all the opened files to the current project.
Copy Location
Copies the disk location of the file.
Show in Explorer (Show in Finder on OS X)
Opens the Explorer to the file path of the file.