Give the document window a scrolling text view and a toolbar, and add an Edit menu item that inserts placeholder text into the active document.
* LoremIpsum.j: Add a class that supplies the traditional Lorem ipsum passage as static text.
* DocumentWindowController.j: Add a textView outlet and an insertLoremIpsum: action that inserts the placeholder text at the selection through insertText:, so the document's undo manager records it.
* Resources/DocumentWindow.xib, Resources/DocumentWindow.cib: Add a text view in a scroll view that resizes with the window, a toolbar with the default items, and the textView outlet connection.
* Resources/MainMenu.xib, Resources/MainMenu.cib: Add an Insert Lorem Ipsum item to the Edit menu that sends insertLoremIpsum: to First Responder.
Move the main window out of MainMenu.xib into a document window owned by a window controller, so that each document opens in its own window.
* Document.j: Add a CPDocument subclass that creates a DocumentWindowController for each document.
* DocumentWindowController.j: Add a CPWindowController subclass that loads DocumentWindow.cib and sets itself as the window's delegate.
* Resources/DocumentWindow.xib, Resources/DocumentWindow.cib: Add the document window, with DocumentWindowController as File's Owner.
* Resources/MainMenu.xib, Resources/MainMenu.cib: Remove the window, name the application menu Text Editor, rename Preferences to Settings, and remove Quit.
* AppController.j: Remove the window outlet and the code that made the window fill the browser.
* main.j: Import Document.j.
* Info.plist: Declare the Document type with Document as its document class.
David Richardson