//---------------------------------------------------------------------------
//                
//      Geoworks (R) application software and GEOS (R) operating system
//      software copyright (C) 1990-1998 Geoworks.  All rights reserved.
//      United States Patents 5327529, 5237651, and 5438662. U.K. Patents
//      0375703 and 0631677.  German Patents P3854269.2-08 and
//      69307728.1-08.  French Patents 0375703 and 0631677.  Other
//      international patents pending.
//
//      This software is the confidential and proprietary information of
//      Geoworks ("Confidential Information").  You shall not disclose
//      such Confidential Information and shall use it only in accordance
//      with the terms of the license agreement you entered into with
//      Geoworks.
//
//      PROJECT:	GEOS_SC Documentation
//      MODULE:	        Flex UI Chapter
//      FILE:	        notepad.h
//
//      VERSION 2.0
//
//      DESCRIPTION:
//
//	An notepad application that uses three buttons to save and
//      revert text in a text buffer.
//
//-------------------------------------------------------------------------

#ifndef _NOTEPAD_H_
#define _NOTEPAD_H_

#include <ui/appbase.h>         // For the AppBase class.

class NotepadApp : public ActionListenerInterface, public AppBase {
public:
    //
    // Constructor - initializes member data
    //
    NotepadApp();

    //
    // Override SetAppContext to create the user interface for
    // the application.
    //
    virtual void SetAppContext(const TCHAR *context);
    
    //
    // Override ActionPerformed to intercept button presses
    //
    virtual void ActionPerformed(ActionEvent& event);

    //
    // Override Exit to destroy the user interface for
    // the application.
    //
    virtual void Exit(void);


private:
    //
    // Helper function to create the UI for opening screen.
    //
    Result AttachNotepadAppUI(void);
    
    //
    // Helper function to create buttons for the frame.
    //
    Result CreateButton(const TCHAR *title, FlexComponentID buttonID);
    
    //
    // Class variables.
    //
    FlexFrame           *_notepadAppMainFrame;
    FlexHorizontalPanel *_notepadAppButtonPanel;
    FlexTextArea        *_notepadAppTextDisplay;

    Boolean             _notepadAppUIBuilt;

    enum {
        NOTEPADAPP_CLEAR_BUTTON         = 0,
        NOTEPADAPP_SAVE_BUTTON          = 1,
        NOTEPADAPP_REVERT_BUTTON        = 2,

        NOTEPADAPP_FRAME_GAP            = 10,
        NOTEPADAPP_BUTTON_PANEL_GAP     = 8
    };
};

#endif /* _NOTEPAD_H_ */