unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Buttons, StdCtrls;

type
  TForm1 = class(TForm)
    MemoBox: TMemo;
    Headline: TLabel;
    LoadButton: TButton;
    SaveButton: TButton;
    EncryptButton: TButton;
    DecryptButton: TButton;
    Label1: TLabel;
    CloseButton: TBitBtn;
    AboutButton: TButton;
    procedure AboutButtonClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure LoadButtonClick(Sender: TObject);
    procedure EncryptButtonClick(Sender: TObject);
    procedure SaveButtonClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  fileName : String;
  fileData : TStringList;
  openDialog : TOpenDialog;

implementation

{$R *.dfm}

procedure TForm1.AboutButtonClick(Sender: TObject);
begin
ShowMessage('This program was developed by Kristian Theilgaard of CK Systems'+#13+#13+'The CK Systems Cooperation was founded in 2005'+#13);
end;

procedure TForm1.FormCreate(Sender: TObject);
begin

//Deaktiver de unødvendige knapper
EncryptButton.Enabled := False;
DecryptButton.Enabled := False;
SaveButton.Enabled := False;

//Klargør memoboxen
MemoBox.Clear;
MemoBox.ScrollBars := ssBoth;

//Klargør Label1
Label1.Caption := '';

   // Create the open dialog object - used by the GetTextFile routine
   openDialog := TOpenDialog.Create(self);

   // Ask for only files that exist
   openDialog.Options := [ofFileMustExist];

   // Ask only for text files
   openDialog.Filter := 'Text files|*.txt';

   // Create the string list object that holds the file contents
   fileData := TStringList.Create;

end;

procedure TForm1.LoadButtonClick(Sender: TObject);
begin
   if openDialog.Execute then        // Did the user select a file?
   begin
     // Save the file name
     fileName := openDialog.FileName;

     // Now that we have a file loaded, enable the text correction button
     EncryptButton.Enabled := True;
     DecryptButton.Enabled := True;

     // Load the file into our string list
     fileData.LoadFromFile(fileName);

      // Display the file in the file display box
   MemoBox.Text := fileData.Text;

    // Display the number of lines in the file
   Label1.Caption := fileName;
   end;
end;

procedure TForm1.EncryptButtonClick(Sender: TObject);
begin
  //Clear the memobox
  MemoBox.Clear;
StringReplace(fileData.text, 'a', '7', [rfReplaceAll]);
StringReplace(fileData.text, 'e', '1', [rfReplaceAll]);
StringReplace(fileData.text, 'n', '3', [rfReplaceAll]);
StringReplace(fileData.text, 'c', '2', [rfReplaceAll]);
StringReplace(fileData.text, 'f', '4', [rfReplaceAll]);
StringReplace(fileData.text, 't', '5', [rfReplaceAll]);
StringReplace(fileData.text, 'o', '6', [rfReplaceAll]);
StringReplace(fileData.text, 'l', '8', [rfReplaceAll]);
StringReplace(fileData.text, 'm', '9', [rfReplaceAll]);
StringReplace(fileData.text, 'u', '0', [rfReplaceAll]);
StringReplace(fileData.text, 'r', '<', [rfReplaceAll]);
StringReplace(fileData.text, 'h', '>', [rfReplaceAll]);
StringReplace(fileData.text, 'p', '©', [rfReplaceAll]);
StringReplace(fileData.text, 'y', '†', [rfReplaceAll]);
StringReplace(fileData.text, 'g', '*', [rfReplaceAll]);
StringReplace(fileData.text, 'd', '!', [rfReplaceAll]);
StringReplace(fileData.text, 'w', '&', [rfReplaceAll]);
StringReplace(fileData.text, 'h', '=', [rfReplaceAll]);
StringReplace(fileData.text, 'i', '#', [rfReplaceAll]);
// Display the file in the file display box
   MemoBox.Text := fileData.Text;
   //Enable the save button again
   SaveButton.Enabled := True;
end;

procedure TForm1.SaveButtonClick(Sender: TObject);
begin
   // Simply save the contents of the file string list
   if fileName <> '' then
     fileData.SaveToFile(fileName);
 
   // And disable the file save button
   SaveButton.Enabled := false;
end;

end.