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Home: Code Repository: Mastering Delphi 6

Chapter 23 - Project BabelFish

Project Structure

BabelFish.dpr
program BabelFish;

uses
  Forms,
  BabelForm in 'BabelForm.pas' {Form1},
  BabelIntf in 'BabelIntf.pas';

{$R *.res}

begin
  Application.Initialize;
  Application.CreateForm(TForm1, Form1);
  Application.Run;
end.
BabelForm.pas
unit BabelForm;

interface

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

type
  TForm1 = class(TForm)
    HTTPRIO1: THTTPRIO;
    Button1: TButton;
    EditSource: TEdit;
    EditTarget: TEdit;
    ComboBoxType: TComboBox;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

uses
  Babelintf;

procedure TForm1.Button1Click(Sender: TObject);
begin
  EditTarget.Text := (HTTPRIO1 as BabelFishPortType).
    BabelFish(ComboBoxType.Text, EditSource.Text);
end;

end.
BabelIntf.pas
unit BabelIntf;

interface

uses Types, XSBuiltIns;
type

  BabelFishPortType = interface(IInvokable)
    ['{DF96B8F8-DD8E-43A1-9276-4F821D9EA3FA}']
    function BabelFish(const translationmode: String; const sourcedata: String): String; stdcall;
  end;


implementation

uses InvokeRegistry;

initialization
  InvRegistry.RegisterInterface(TypeInfo(BabelFishPortType), '', '');

end.
BabelForm.dfm
object Form1: TForm1
  Left = 204
  Top = 215
  Width = 664
  Height = 175
  Caption = 'BabelFish'
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'MS Sans Serif'
  Font.Style = []
  OldCreateOrder = False
  PixelsPerInch = 96
  TextHeight = 13
  object Button1: TButton
    Left = 40
    Top = 32
    Width = 75
    Height = 25
    Caption = 'Translate'
    TabOrder = 0
    OnClick = Button1Click
  end
  object EditSource: TEdit
    Left = 160
    Top = 32
    Width = 465
    Height = 21
    TabOrder = 1
    Text = 'This is a sample message for an automatic translation'
  end
  object EditTarget: TEdit
    Left = 160
    Top = 72
    Width = 465
    Height = 21
    TabOrder = 2
  end
  object ComboBoxType: TComboBox
    Left = 40
    Top = 72
    Width = 81
    Height = 21
    ItemHeight = 13
    TabOrder = 3
    Text = 'en_it'
    Items.Strings = (
      'en_it'
      'en_fr'
      'en_de'
      'en_pt'
      'en_es')
  end
  object HTTPRIO1: THTTPRIO
    WSDLLocation = 'C:\md6code\23\BabelFish\BabelFishService.xml'
    Service = 'BabelFish'
    Port = 'BabelFishPort'
    HTTPWebNode.Agent = 'Borland SOAP 1.1'
    HTTPWebNode.UseUTF8InHeader = False
    Converter.Options = [soSendMultiRefObj, soTryAllSchema]
    Left = 32
    Top = 24
  end
end