MODULE Test;

FROM ModBase3 IMPORT UpdateDBFile,WriteDBRec,DeleteRecord,ReadDBRec,
     AppendBlank;
FROM Scrn2DBF IMPORT FrameToDBF, DBFToFrame;
FROM PosUtils IMPORT Equal;
FROM StrEdit IMPORT CrunchBlanks,DeleteRightJustified,CAPstr;
FROM M2Strings IMPORT Length;
FROM LowLevel IMPORT Fill;
FROM StringIO IMPORT PrintMessage;
FROM Drectory IMPORT SetDefaultDrive,ChDir,GetCurrentDir;
FROM EnvironUtils IMPORT ReadEnvironment;
FROM SmartScreen IMPORT ClearScreen;
FROM VWindows IMPORT ClearPart, CurrentWindow, SetCursorHeight;
FROM ScrnTypes IMPORT DisplayFrame,InitDisplayFrame,AFrameName;
FROM FramePainter IMPORT ShowDisplayFrame;
FROM InputManager IMPORT ControlFrame;
FROM FrameManager IMPORT EraseFrame;
FROM Prompts IMPORT Prompt,PromptStr;
FROM SYSTEM IMPORT ADR,SIZE;
FROM ControlUtils IMPORT ControlSeparately, LoadFrameList,Control;
FROM DspFiles IMPORT OpenDisplayFile,ReadDisplayFrame;
FROM HandleIO IMPORT FileExists;
FROM Prompts IMPORT Prompt;
FROM LowLevel IMPORT Fill;
FROM GenLists IMPORT GenList, NewList,ListLength,GetElmt;
FROM ScrnTypes IMPORT AFrameName, InitDisplayFrame,DisplayFile;
FROM DBFTest IMPORT TestDBF, OpenTestDBF,
     CloseTestDBF,

     FindTestByTest,
     NextTest,PrevTest,FirstTest,LastTest;
IMPORT InitCompilerMods;


VAR
 Status : INTEGER;
 Environ : ARRAY [0..60] OF CHAR;
 J : CARDINAL;
 TopMenu : GenList;
 FirstTime: BOOLEAN;
 NextFrame,EndingFrame : AFrameName;
 SelChar    : CHAR;
 NoData     : BOOLEAN;    (* true when no data is on the screen *)
 TestDF : DisplayFrame;
 DSPFile      : DisplayFile;
 PullDnMenu  : GenList;


PROCEDURE FileMenu(SelChar: CHAR);
VAR 
 B : BOOLEAN;
 Str : ARRAY [0..80] OF CHAR;
BEGIN
  CASE SelChar OF
 'A'  : ReadDisplayFrame(DSPFile,TestDF,'Test');  (*Clear out any of the fields *)
        ShowDisplayFrame(TestDF,0,0,0,0);
        Control(TestDF);		(* alow user input *)
        AppendBlank(TestDBF);
	B := FrameToDBF(TestDBF,TestDF); (* do something if couldn't add*)
	WriteDBRec(TestDBF);
 |'F' : FirstTest();
        DBFToFrame(TestDBF,TestDF);
	ShowDisplayFrame(TestDF,0,0,0,0);
 |'L' : LastTest();
        DBFToFrame(TestDBF,TestDF);
	ShowDisplayFrame(TestDF,0,0,0,0);

 |'N' : IF NextTest()
          THEN
            DBFToFrame(TestDBF,TestDF);
  	    ShowDisplayFrame(TestDF,0,0,0,0);
	  END;  

 |'P' : IF PrevTest()
          THEN
            DBFToFrame(TestDBF,TestDF);
  	    ShowDisplayFrame(TestDF,0,0,0,0);
	  END;  


 |'T' :   (* The first unused letter in the index name  or 'Q'  *)
        Fill(ADR(Str),SIZE(Str),0);

        PromptStr('Enter Test Test ',Str);


        CrunchBlanks(Str);
        IF NOT FindTestByTest(Str)
	  THEN
	   Prompt('Test Not Found');
	 ELSE
	   DBFToFrame(TestDBF,TestDF);
	   ShowDisplayFrame(TestDF,0,0,0,0);
	 END;
  END;  (* end of case  *)
END FileMenu;

PROCEDURE EditMenu(SelChar : CHAR);
VAR
 B:BOOLEAN;
 BEGIN
   CASE SelChar OF
   'U' : Control(TestDF);
	 B:=FrameToDBF(TestDBF,TestDF);
         WriteDBRec(TestDBF);
  |'D' : DeleteRecord(TestDBF);
	 NoData := TRUE;
   END;
END EditMenu;

 
BEGIN
  
  (* if there is an environment variable set to m2test=path *)
  (* the program will set the default drive and path        *)
  (* this is needed because running under the debuggers the *)
  (* debugger will start the program with the default drive *)
  (* and path = c:\ - aint nothing gona work if looking for *)
  (* files there    *)
  ReadEnvironment('M2TEST', Environ);
  CrunchBlanks(Environ);
  IF Length(Environ) > 0
    THEN
      CAPstr(Environ);
      IF Environ[1] = ':'
        THEN SetDefaultDrive(Environ[0]);
             DeleteRightJustified(Environ,0,2);
        END;
       IF 0#ChDir(Environ)
         THEN    (* this is bullet proof code here *)
         END;
     END;

  PrintMessage(GetCurrentDir('z',Environ));  (* check *)
  IF NOT OpenDisplayFile(DSPFile,'Test.DSP')
    THEN
      Prompt('Could not open Test.dsp file');
      HALT;
    END;
  ClearScreen();
  InitDisplayFrame(TestDF,CurrentWindow);
  NewList(PullDnMenu);
  LoadFrameList(DSPFile,'TopMenu',PullDnMenu);
  NoData := TRUE;
  OpenTestDBF(TRUE);
  ReadDisplayFrame(DSPFile,TestDF,'Test');
  REPEAT
    NextFrame := 'TopMenu';
    ControlSeparately(PullDnMenu,NextFrame,SelChar,EndingFrame);
    IF Equal(EndingFrame,'FileMenu')
         THEN FileMenu(SelChar);
    ELSIF Equal(EndingFrame,'EditMenu')
         THEN EditMenu(SelChar);
    END;

  UNTIL SelChar='X';  (* Assumes  'X' is only used to exit *)
  CloseTestDBF();
  ClearScreen();



END Test.