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unit DownLoaderTestUnit;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, uIMDownLoader, StdCtrls, ToolWin, ComCtrls, Menus;
type
TMainForm = class(TForm)
IMDownloader_Demo: TIMDownloader;
Edit1: TEdit;
ToolBar1: TToolBar;
StatusBar1: TStatusBar;
RichEdit1: TRichEdit;
SaveDialog1: TSaveDialog;
TBDownload: TToolButton;
TBStopDownload: TToolButton;
TBView: TToolButton;
ViewAsTest: TMenuItem;
SaveToFile: TMenuItem;
PopupMenu1: TPopupMenu;
ProgressBar1: TProgressBar;
procedure FormShow(Sender: TObject);
procedure IMDownloader_DemoError(Sender: TObject; E: TIMDownLoadError);
procedure IMDownloader_DemoAccepted(Sender: TObject);
procedure IMDownloader_DemoStartDownload(Sender: TObject);
procedure IMDownloader_DemoBreak(Sender: TObject);
procedure ViewAsTestClick(Sender: TObject);
procedure SaveToFileClick(Sender: TObject);
procedure TBDownloadClick(Sender: TObject);
procedure TBStopDownloadClick(Sender: TObject);
procedure TBViewClick(Sender: TObject);
procedure IMDownloader_DemoDownloading(Sender: TObject; AcceptedSize, MaxSize: Cardinal);
procedure IMDownloader_DemoHeaders(Sender: TObject; Headers: string);
procedure IMDownloader_DemoMD5Checked(Sender: TObject; MD5Correct,
SizeCorrect: Boolean; MD5Str: string);
private
{ Private declarations }
public
{ Public declarations }
end;
var
MainForm: TMainForm;
const
uURL = 'http://im-history.ru/update/get.php?file=HistoryToDB-Update';
implementation
{$R *.dfm}
procedure TMainForm.FormShow(Sender: TObject);
begin
Edit1.Text := uURL;
IMDownloader_Demo.DirPath := ExtractFilePath(Application.ExeName);
end;
procedure TMainForm.IMDownloader_DemoAccepted(Sender: TObject);
begin
ProgressBar1.Visible := False;
TBStopDownload.Visible := false;
TBDownload.Visible := true;
TBView.Visible := true;
Edit1.ReadOnly := false;
StatusBar1.SimpleText :=
'Ñêà÷èâàíèå óñïåøíî çàâåðøåíî. Âñåãî ïîëó÷åíî äàííûõ â áàéòàõ: ' + IntToStr
(IMDownloader_Demo.AcceptedSize);
//RichEdit1.Lines.Append('MD5 ôàéëà â ïàìÿòè: '+MD5DigestToStr(MD5Stream(IMDownloader_Demo.OutStream)));
end;
procedure TMainForm.IMDownloader_DemoBreak(Sender: TObject);
begin
ProgressBar1.Visible := False;
TBStopDownload.Visible := false;
TBStopDownload.Enabled := true;
TBDownload.Visible := true;
TBView.Visible := IMDownloader_Demo.AcceptedSize > 0;
Edit1.ReadOnly := false;
StatusBar1.SimpleText :=
'Ñêà÷èâàíèå îñòàíîâëåíî. Âñåãî ïîëó÷åíî äàííûõ â áàéòàõ: ' + IntToStr
(IMDownloader_Demo.AcceptedSize);
end;
procedure TMainForm.IMDownloader_DemoDownloading(Sender: TObject; AcceptedSize,
MaxSize: Cardinal);
begin
StatusBar1.SimpleText := 'Ïîëó÷åíî áàéò: ' + IntToStr(AcceptedSize);
ProgressBar1.Visible := MaxSize > AcceptedSize;
ProgressBar1.Max := MaxSize;
ProgressBar1.Position := AcceptedSize;
end;
procedure TMainForm.IMDownloader_DemoError(Sender: TObject; E: TIMDownLoadError);
var
s: string;
begin
ProgressBar1.Visible := False;
TBStopDownload.Visible := false;
TBDownload.Visible := true;
TBView.Visible := IMDownloader_Demo.AcceptedSize > 0;
Edit1.ReadOnly := false;
case E of
deInternetOpen: s := 'Îøèáêà ïðè îòêðûòèè ñåññèè. ';
deInternetOpenUrl: s := 'Îøèáêà ïðè çàïðàøèâàíèè ôàéëà. ';
deDownloadingFile: s := 'Îøèáêà ïðè ÷òåíèè ôàéëà. ';
deRequest: s := 'Îøèáêà ïðè çàïðîñå äàííûõ ÷åðåç ïðîêñè-ñåðâåð. ';
end;
StatusBar1.SimpleText :=
s + 'Âñåãî ïîëó÷åíî äàííûõ â áàéòàõ: ' + IntToStr
(IMDownloader_Demo.AcceptedSize);
end;
procedure TMainForm.IMDownloader_DemoHeaders(Sender: TObject; Headers: string);
begin
RichEdit1.Lines.Text := Headers;
end;
procedure TMainForm.IMDownloader_DemoMD5Checked(Sender: TObject; MD5Correct,
SizeCorrect: Boolean; MD5Str: string);
begin
if MD5Correct then
RichEdit1.Lines.Append('Êîíòðîëüíàÿ ñóììà MD5 = '+MD5Str+' - ÂÅÐÍÀ!')
else
RichEdit1.Lines.Append('Êîíòðîëüíàÿ ñóììà MD5 = '+MD5Str+' - ÍÅ ÂÅÐÍÀ!');
if SizeCorrect then
RichEdit1.Lines.Append('Ðàçìåð ôàéëà = '+IntToStr(IMDownloader_Demo.AcceptedSize)+' - ÂÅÐÍÛÉ!')
else
RichEdit1.Lines.Append('Ðàçìåð ôàéëà = '+IntToStr(IMDownloader_Demo.AcceptedSize)+' - ÍÅ ÂÅÐÍÛÉ!');
end;
procedure TMainForm.IMDownloader_DemoStartDownload(Sender: TObject);
begin
TBDownload.Visible := false;
TBStopDownload.Visible := true;
TBView.Visible := false;
Edit1.ReadOnly := true;
StatusBar1.SimpleText := 'Èíèöèàëèçàöèÿ ñêà÷èâàíèÿ...';
end;
procedure TMainForm.ViewAsTestClick(Sender: TObject);
begin
RichEdit1.Lines.LoadFromStream(IMDownloader_Demo.OutStream);
end;
procedure TMainForm.SaveToFileClick(Sender: TObject);
begin
if Edit1.Text = uURL then
SaveDialog1.FileName := 'HistoryToDBCreateDB.rar';
if SaveDialog1.Execute then
IMDownloader_Demo.OutStream.SaveToFile(SaveDialog1.FileName);
end;
procedure TMainForm.TBDownloadClick(Sender: TObject);
begin
IMDownloader_Demo.URL := Edit1.Text;
//IMDownloader_Demo.Proxy := '192.168.42.240:1522';
IMDownloader_Demo.Proxy := '172.29.72.168:8080';
IMDownloader_Demo.Download;
end;
procedure TMainForm.TBStopDownloadClick(Sender: TObject);
begin
StatusBar1.SimpleText := 'Îñòàíàâëèâàåì ñêà÷êó';
TBStopDownload.Enabled := false;
IMDownloader_Demo.BreakDownload;
end;
procedure TMainForm.TBViewClick(Sender: TObject);
begin
TBView.DropdownMenu.Popup(TBView.ClientOrigin.X,
TBView.ClientOrigin.Y + TBView.Height);
end;
end.
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