MODULE Demo1;
(*
 *  REPERTOIRE
 *  Release 1.6
 *  By Charles Bradford and Cole Brecheen
 *  (c) Copyright 1985-1990 PMI
 *  Green Bay, WI
 *  All rights reserved
 *  (414) 468-6040
 *)

IMPORT ControlUtils;
IMPORT DspFiles;
IMPORT ErrorManager;
IMPORT FramePainter;
IMPORT InputManager;
IMPORT NdxBones;
IMPORT NdxFiles;
IMPORT NdxTypes;
IMPORT PosUtils;
IMPORT Scrn2Ndx;
IMPORT ScrnTypes;
IMPORT ScrnUtl1;
IMPORT ScrnUtl2;
IMPORT VWindows;
IMPORT WindowPrims;

VAR
  NdxFile: NdxTypes.NdxFileType;
  FrameVar: ScrnTypes.DisplayFrame;
  ScreenFile: ScrnTypes.DisplayFile;
  NextFrame: ScrnTypes.AFrameName;
  RecName: ARRAY [0..19] OF CHAR;
  SavedHeight: CARDINAL;

BEGIN
  SavedHeight := VWindows.GetCursorHeight(
      VWindows.CurrentWindow );
  IF NOT NdxBones.OpenNdxFile( NdxFile, 'demo1.ndx' ) THEN
    (*If the file doesn't exist, create it.*)
    NdxFiles.CreateNdxFile( NdxFile, 'demo1.ndx',
        'RecName, age, job' );
  END;
  IF NOT DspFiles.OpenDisplayFile( ScreenFile, 'demo1.dsp' ) THEN
    ErrorManager.WARN( 'Could not open DEMO1.DSP' );
    RETURN;
  END;
  ScrnTypes.InitDisplayFrame( FrameVar, VWindows.CurrentWindow );
  REPEAT
    NextFrame := 'NameScrn';
    ControlUtils.ReadShowAndCntrl( ScreenFile, FrameVar, NextFrame );
      (*This will always display the screen that says
        "Enter a record name."*)
    IF NOT PosUtils.Equal( NextFrame, ScrnTypes.ProgramExit ) THEN
      ScrnUtl1.GetFieldText( FrameVar,
          FrameVar^.CurrentField, RecName );
      DspFiles.ReadDisplayFrame( ScreenFile, FrameVar, 'EntryScreen' );
      IF NOT Scrn2Ndx.FillScr( NdxFile, FrameVar, RecName, '') THEN
          ControlUtils.ChangeField( FrameVar, RecName, 'RecName', TRUE );
      END;
      FramePainter.ShowDisplayFrame( FrameVar, 0, 0, 0, 0 );
      InputManager.ControlFrame( FrameVar, 0, '', FALSE, NextFrame );
      IF PosUtils.Equal( NextFrame, FrameVar^.normlnext ) THEN
        IF NOT Scrn2Ndx.PutScrRec(NdxFile, FrameVar, RecName,'')
            THEN HALT(); END;
        IF NOT NdxFiles.WriteRecord( NdxFile, RecName )
            THEN HALT(); END;
      END;
    END;
  UNTIL PosUtils.Equal( NextFrame, ScrnTypes.ProgramExit );
  ScrnUtl2.CloseDisplayFrame( FrameVar );
  NdxFiles.CloseNdxFile( NdxFile );
  VWindows.ClearPart( VWindows.CurrentWindow, 0, 0,
        VWindows.EndCol(VWindows.CurrentWindow),
        VWindows.EndRow(VWindows.CurrentWindow) );
  VWindows.SetCursorHeight( VWindows.CurrentWindow, SavedHeight );
END Demo1.