1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813
| unit MainForm;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
ImgList, StdCtrls, ComCtrls, ToolWin, IdBaseComponent, IdComponent,
IdTCPConnection, IdTCPClient, IdFTP,
Buttons, ExtCtrls, Commctrl, ActnList, ShellAPI, IniFiles, FTPSiteInfo,
ConfigureApplicationForm, ConfigureSiteForm, ApplicationConfiguration,
Menus, IdFTPCommon, Wininet;
type
TfrmMain = class(TForm)
FTP: TIdFTP;
sbMain: TStatusBar;
ilNormalImages: TImageList;
ControlBar1: TControlBar;
ToolBar7: TToolBar;
btnConnect: TToolButton;
btnBack: TToolButton;
btnUpAFolder: TToolButton;
btnHome: TToolButton;
ToolBar9: TToolBar;
Panel5: TPanel;
cbFTPAddress: TComboBox;
btnSiteOptions: TToolButton;
ToolBar10: TToolBar;
Panel6: TPanel;
edUserName: TEdit;
ToolBar11: TToolBar;
Panel7: TPanel;
edPassword: TEdit;
ToolBar12: TToolBar;
btnNewFolder: TToolButton;
btnDeleteFolder: TToolButton;
ToolButton20: TToolButton;
btnUploadFile: TToolButton;
btnDownloadFile: TToolButton;
ToolBar13: TToolBar;
btnAbout: TToolButton;
ToolBar14: TToolBar;
btnViewingStyle: TToolButton;
Panel8: TPanel;
edFolder: TEdit;
btnGo: TBitBtn;
ActionList1: TActionList;
actConnectDisconnect: TAction;
lbStatus: TListBox;
pbProgress: TProgressBar;
lbDirectory: TListBox;
Splitter1: TSplitter;
Splitter2: TSplitter;
SaveFile: TSaveDialog;
lvFiles: TListView;
actChangeDirUP: TAction;
actHome: TAction;
actBack: TAction;
actCreateFolder: TAction;
actDeleteFileFolder: TAction;
ToolButton1: TToolButton;
actDownloadFile: TAction;
actUploadFile: TAction;
actAbout: TAction;
actHelp: TAction;
actConfigureSite: TAction;
actConfigureApplication: TAction;
OpenDialog: TOpenDialog;
tvFolders: TTreeView;
puUpload: TPopupMenu;
puDownload: TPopupMenu;
Active1: TMenuItem;
BinaryNottext1: TMenuItem;
ASCIIText1: TMenuItem;
BinaryNottext2: TMenuItem;
Button1: TButton;
PageControl1: TPageControl;
TabSheet1: TTabSheet;
Button2: TButton;
Edit1: TEdit;
Edit2: TEdit;
Edit4: TEdit;
Edit5: TEdit;
Edit6: TEdit;
Edit7: TEdit;
Edit8: TEdit;
Edit9: TEdit;
Edit10: TEdit;
Edit3: TEdit;
ListBox1: TListBox;
Memo1: TMemo;
Button3: TButton;
procedure FTPAfterClientLogin(Sender: TObject);
procedure FTPDisconnected(Sender: TObject);
procedure FormShow(Sender: TObject);
procedure FTPStatus(ASender: TObject; const AStatus: TIdStatus;
const AStatusText: String);
procedure actConnectDisconnectExecute(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure btnGoClick(Sender: TObject);
procedure edFolderKeyPress(Sender: TObject; var Key: Char);
procedure lbStatusDrawItem(Control: TWinControl; Index: Integer;
Rect: TRect; State: TOwnerDrawState);
procedure FTPWorkBegin(Sender: TObject; AWorkMode: TWorkMode;
const AWorkCountMax: Integer);
procedure FTPWorkEnd(Sender: TObject; AWorkMode: TWorkMode);
procedure FTPWork(Sender: TObject; AWorkMode: TWorkMode;
const AWorkCount: Integer);
procedure actChangeDirUPExecute(Sender: TObject);
procedure actDownloadFileExecute(Sender: TObject);
procedure lbDirectoryDblClick(Sender: TObject);
procedure actDeleteFileFolderExecute(Sender: TObject);
procedure actCreateFolderExecute(Sender: TObject);
procedure actUploadFileExecute(Sender: TObject);
procedure lbDirectoryKeyPress(Sender: TObject; var Key: Char);
procedure FormDestroy(Sender: TObject);
procedure actBackExecute(Sender: TObject);
procedure actHomeExecute(Sender: TObject);
procedure actHelpExecute(Sender: TObject);
procedure actConfigureSiteExecute(Sender: TObject);
procedure actConfigureApplicationExecute(Sender: TObject);
procedure cbFTPAddressChange(Sender: TObject);
procedure BinaryNottext1Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
private
{ Private declarations }
FLastDirStack : TStringList;
FRootDir : String;
FHelpFile : String;
Sites : TFTPSiteList;
ApplicationConfig : TApplicationConfig;
procedure DisplayFTP;
function GetHelpFile: String;
procedure LoadDefaultValues;
procedure StoreDefaultValues;
procedure InitLogColors;
public
{ Public declarations }
procedure Alignementcolonnelistbox; // pour alignement colonne lisbox
procedure SetControls;
procedure Log(Msg : String; Color : TColor = clBlack);
procedure ChangeFTPDir(NewDir : String);
property HelpFile : String read GetHelpFile;
end;
var
frmMain: TfrmMain;
Ini : TIniFile;
implementation
{$R *.DFM}
{ TfrmMain }
procedure TfrmMain.SetControls;
begin
if FTP.Connected then
begin
actConnectDisconnect.Caption := 'Disconnect';
sbMain.Panels[0].Text := 'Online';
end
else
begin
actConnectDisconnect.Caption := 'Connect';
sbMain.Panels[0].Text := 'Offline';
end;
actConnectDisconnect.Hint := actConnectDisconnect.Caption;
actConnectDisconnect.Checked := FTP.Connected;
btnGo.Enabled := FTP.Connected;
actChangeDirUP.Enabled := FTP.Connected;
actBack.Enabled := FTP.Connected and (FLastDirStack.Count > 0);
actHome.Enabled := FTP.Connected;
actCreateFolder.Enabled := FTP.Connected;
actDeleteFileFolder.Enabled := FTP.Connected;
actUploadFile.Enabled := FTP.Connected;
actDownloadFile.Enabled := FTP.Connected;
actConfigureSite.Enabled := (not FTP.Connected) and (cbFTPAddress.Text <> '');
edFolder.Enabled := FTP.Connected;
cbFTPAddress.Enabled := not FTP.Connected;
edUserName.Enabled := not FTP.Connected;
edPassword.Enabled := not FTP.Connected;
actConnectDisconnect.Enabled := (cbFTPAddress.Text <> '');
end;
procedure TfrmMain.FTPAfterClientLogin(Sender: TObject);
begin
SetControls;
FLastDirStack.Clear;
if cbFTPAddress.ItemIndex > -1 then
begin
ChangeFTPDir(Sites[cbFTPAddress.ItemIndex].RootDir);
end;
DisplayFtp;
FRootDir := FTP.RetrieveCurrentDir;
end;
procedure TfrmMain.FTPDisconnected(Sender: TObject);
begin
SetControls;
lvFiles.Items.Clear;
tvFolders.Items.Clear;
end;
procedure TfrmMain.FormShow(Sender: TObject);
var
r: TRect;
begin
sbMain.ControlStyle := sbMain.ControlStyle + [csAcceptsControls];
sbMain.Perform(SB_GETRECT, 1, Integer(@R));
pbProgress.Parent := sbMain;
pbProgress.Top := r.Top;
pbProgress.Left := r.Left;
pbProgress.Width := r.Right - r.Left;
pbProgress.Height := r.Bottom - r.Top;
pbProgress.Visible:= false;
end;
procedure TfrmMain.FTPStatus(ASender: TObject; const AStatus: TIdStatus;
const AStatusText: String);
var
Clr : TColor;
begin
sbMain.Panels[2].Text := AStatusText;
clr := ApplicationConfig.LogColors.Colors['Default'];
case AStatus of
hsStatusText : Clr := ApplicationConfig.LogColors.Colors['hsStatusText'];
hsResolving : Clr := ApplicationConfig.LogColors.Colors['hsResolving'];
hsConnecting : Clr := ApplicationConfig.LogColors.Colors['hsConnecting'];
hsDisconnecting : Clr := ApplicationConfig.LogColors.Colors['hsDisconnecting'];
hsConnected : Clr := ApplicationConfig.LogColors.Colors['hsConnected'];
hsDisconnected : Clr := ApplicationConfig.LogColors.Colors['hsDisconnected'];
ftpTransfer : Clr := ApplicationConfig.LogColors.Colors['ftpTransfer'];
ftpReady : Clr := ApplicationConfig.LogColors.Colors['ftpReady'];
ftpAborted : Clr := ApplicationConfig.LogColors.Colors['ftpAborted'];
end;
Log(AStatusText, clr);
end;
procedure TfrmMain.actConnectDisconnectExecute(Sender: TObject);
begin
if FTP.Connected then
begin
FTP.Disconnect;
end
else
begin
lbStatus.Items.Clear;
if cbFTPAddress.ItemIndex = -1 then
FTP.Host := cbFTPAddress.Text
else
FTP.Host := TFTPSiteInfo(cbFTPAddress.Items.Objects[cbFTPAddress.ItemIndex]).Address;
FTP.Username := edUserName.Text;
FTP.Password := edPassword.Text;
FTP.Connect;
LvFiles.SortType:=StText; // trier la listbox par ordre alphabétique
end;
end;
procedure TfrmMain.DisplayFTP;
var
i, c : Integer;
s : String;
begin
lbDirectory.Items.Clear;
FTP.List(lbDirectory.Items, '', false);
edFolder.Text := FTP.RetrieveCurrentDir;
tvFolders.Items.Clear;
lvFiles.Items.Clear;
for c := 0 to lbDirectory.Items.Count -1 do
begin
s := lbDirectory.Items[c];
i := FTP.Size(s);
if i = -1 then
begin
// Directory
tvFolders.Items.Add(nil, s);
end
else
begin
// File
lvFiles.Items.Add.Caption := s;
end;
end;
SetControls;
end;
procedure TfrmMain.FormCreate(Sender: TObject);
begin
Ini := TIniFile.Create(ChangeFileExt(ParamStr(0), '.ini'));
ApplicationConfig := TApplicationConfig.Create;
Sites := TFTPSiteList.Create;
LoadDefaultValues;
FLastDirStack := TStringList.Create;
edFolder.Text := '/';
lbDirectory.Visible := false;
SetControls;
actHelp.Enabled := FileExists(HelpFile);
// cache le pageControl à l'ouverture du programme
PageControl1.visible:=false;
// restauration des stats à l'ouverture de l'application
ListBox1.Items.LoadFromFile(ExtractFilePath(Application.ExeName)+'fichierstats.txt');
Alignementcolonnelistbox; // pour alignement colonne lisbox
end;
procedure TfrmMain.btnGoClick(Sender: TObject);
begin
if btnGo.Enabled then
begin
ChangeFTPDir(edFolder.Text);
end;
end;
procedure TfrmMain.edFolderKeyPress(Sender: TObject; var Key: Char);
begin
if Key=#13 then
begin
btnGo.Click;
Key := #0;
end;
end;
procedure TfrmMain.Log(Msg: String; Color: TColor);
begin
lbStatus.Items.AddObject(Msg, Pointer(Color));
lbStatus.ItemIndex := lbStatus.Items.Count -1;
end;
procedure TfrmMain.lbStatusDrawItem(Control: TWinControl; Index: Integer;
Rect: TRect; State: TOwnerDrawState);
begin
// This draws the items in the Process Log in colors to allow quick
// visual inspection
with Control as TListBox do
begin
Canvas.Brush.Color := Color;
Canvas.FillRect(Rect);
Canvas.Font.Color := TColor(Items.Objects[Index]);
Canvas.TextOut(Rect.Left + 2, Rect.Top, Items[Index]);
end;
end;
procedure TfrmMain.FTPWorkBegin(Sender: TObject; AWorkMode: TWorkMode;
const AWorkCountMax: Integer);
begin
pbProgress.Max := AWorkCountMax;
pbProgress.Position := 0;
pbProgress.Visible := true;
Log('Work begin ' + IntToStr(AWorkCountMax), clPurple);
end;
procedure TfrmMain.FTPWorkEnd(Sender: TObject; AWorkMode: TWorkMode);
begin
pbProgress.Visible := false;
Log('Work end', clPurple);
end;
procedure TfrmMain.FTPWork(Sender: TObject; AWorkMode: TWorkMode;
const AWorkCount: Integer);
begin
pbProgress.Position := AWorkCount;
Log('Work ' + IntToStr(AWorkCount), clPurple);
end;
procedure TfrmMain.ChangeFTPDir(NewDir: String);
begin
FLastDirStack.Add(FTP.RetrieveCurrentDir);
FTP.ChangeDir(NewDir);
DisplayFTP;
end;
procedure TfrmMain.actChangeDirUPExecute(Sender: TObject);
begin
FTP.ChangeDirUp;
DisplayFTP;
end;
procedure TfrmMain.actDownloadFileExecute(Sender: TObject);
var
i : Integer;
ext, s : String;
b : boolean;
begin
if lvFiles.Focused then
begin
if Assigned(lvFiles.Selected) then
lbDirectory.ItemIndex := lbDirectory.Items.IndexOf(lvFiles.Selected.Caption)
else
lbDirectory.ItemIndex := -1;
end
else
if Assigned(tvFolders.Selected) then
lbDirectory.ItemIndex := lbDirectory.Items.IndexOf(tvFolders.Selected.Text)
else
lbDirectory.ItemIndex := -1;
i := lbDirectory.ItemIndex;
if i <> -1 then
begin
s := lbDirectory.Items[i];
i := FTP.Size(s);
if i = -1 then
begin
// Directory
ChangeFTPDir(s);
end
else
begin
// File
ext := ExtractFileExt(s);
SaveFile.Filter := ext + ' files|*' + ext + '|All Files|*.*';
SaveFile.FileName := s;
if SaveFile.Execute then
begin
b := true;
if FileExists(SaveFile.FileName) then
if MessageDlg('File exists overwrite?', mtWarning, [mbYes,mbNo], 0) = mrYes then
DeleteFile(SaveFile.FileName);
if ASCIIText1.Checked then
FTP.TransferType := ftASCII
else
FTP.TransferType := ftBinary;
if b then
FTP.Get(s, SaveFile.FileName, True, FTP.ResumeSupported);
end;
end;
end
else
MessageDlg('You must first select a file to download from the site.', mtWarning, [mbOK], 0);
end;
procedure TfrmMain.lbDirectoryDblClick(Sender: TObject);
begin
actDownloadFile.Execute;
end;
procedure TfrmMain.actDeleteFileFolderExecute(Sender: TObject);
var
i : Integer;
s : String;
begin
i := lbDirectory.ItemIndex;
if i <> -1 then
begin
s := lbDirectory.Items[i];
if MessageDlg('Are you sure you want to delete %s?', mtWarning, [mbYes,mbNo], 0) = mrYes then
FTP.Delete(s);
DisplayFTP;
end
else
MessageDlg('You must first select a file or folder to delete from the site.', mtWarning, [mbOK], 0);
end;
procedure TfrmMain.actCreateFolderExecute(Sender: TObject);
var
s : String;
begin
s := 'New Folder';
if InputQuery('New folder', 'New folder name:', s) then
begin
FTP.MakeDir(s);
ChangeFTPDir(s);
end;
end;
procedure TfrmMain.actUploadFileExecute(Sender: TObject);
begin
if OpenDialog.Execute then
begin
if BinaryNottext1.Checked then
FTP.TransferType := ftASCII
else
FTP.TransferType := ftBinary;
FTP.Put(OpenDialog.FileName, ExtractFileName(OpenDialog.FileName));
DisplayFTP;
end;
end;
procedure TfrmMain.lbDirectoryKeyPress(Sender: TObject; var Key: Char);
begin
case Key of
#13:
actDownloadFile.Execute;
#8:
actBack.Execute;
end;
end;
procedure TfrmMain.FormDestroy(Sender: TObject);
begin
FLastDirStack.Free;
StoreDefaultValues;
Ini.Free;
Sites.Free;
ApplicationConfig.Free;
end;
procedure TfrmMain.actBackExecute(Sender: TObject);
var
s : String;
begin
if FLastDirStack.Count > 0 then
begin
s := FLastDirStack[FLastDirStack.Count -1];
ChangeFTPDir(s);
// Delete S
FLastDirStack.Delete(FLastDirStack.Count -1);
// Delete the jump from S
FLastDirStack.Delete(FLastDirStack.Count -1);
SetControls;
end;
end;
procedure TfrmMain.actHomeExecute(Sender: TObject);
begin
ChangeFTPDir(FRootDir);
end;
procedure TfrmMain.actHelpExecute(Sender: TObject);
begin
if actHelp.Enabled then
ShellExecute(handle, 'OPEN', PChar(HelpFile), '', '', SW_SHOWNORMAL);
end;
function TfrmMain.GetHelpFile: String;
begin
if FHelpFile = '' then
FHelpFile := ExpandFileName(ExtractFilePath(ParamStr(0)) + '..\Help\index.htm');
Result := FHelpFile;
end;
procedure TfrmMain.LoadDefaultValues;
var
i, c : Integer;
s : String;
site : TFTPSiteInfo;
begin
InitLogColors;
ApplicationConfig.LoadFromIni(Ini);
Sites.Clear;
c := Ini.ReadInteger('SITES', 'Count', 0);
for i := 0 to c -1 do
begin
site := TFTPSiteInfo.Create;
s := 'Site' + IntToStr(i) + '.';
site.Name := Ini.ReadString('SITES', s + 'Name', '');
site.Address := Ini.ReadString('SITES', s + 'Address', '');
site.UserName := Ini.ReadString('SITES', s + 'UserName', '');
site.Password := Ini.ReadString('SITES', s + 'Password', '');
site.RootDir := Ini.ReadString('SITES', s + 'RootDir', '');
Sites.Add(Site);
end;
cbFTPAddress.Items.Clear;
for i := 0 to Sites.Count -1 do
begin
cbFTPAddress.Items.AddObject(Sites[i].Name, Sites[i]);
end;
end;
procedure TfrmMain.StoreDefaultValues;
var
i : Integer;
s : String;
site : TFTPSiteInfo;
begin
for i := 0 to Sites.Count -1 do
begin
site := Sites[i];
s := 'Site' + IntToStr(i) + '.';
Ini.WriteString('SITES', s + 'Name', site.Name);
Ini.WriteString('SITES', s + 'Address', site.Address);
Ini.WriteString('SITES', s + 'UserName', site.UserName);
Ini.WriteString('SITES', s + 'Password', site.Password);
Ini.WriteString('SITES', s + 'RootDir', site.RootDir);
end;
ApplicationConfig.SaveToIni(Ini);
Ini.WriteInteger('SITES', 'Count', Sites.Count);
s := cbFTPAddress.Text;
cbFTPAddress.OnChange := nil;
try
cbFTPAddress.ItemIndex := sites.IndexOfName(s);
if cbFTPAddress.ItemIndex = -1 then
cbFTPAddress.ItemIndex := sites.IndexOfAddress(s);
finally
cbFTPAddress.OnChange := cbFTPAddressChange;
end;
end;
procedure TfrmMain.actConfigureSiteExecute(Sender: TObject);
begin
if ConfigureSite(cbFTPAddress.ItemIndex, Sites) then
begin
StoreDefaultValues;
LoadDefaultValues;
end;
end;
procedure TfrmMain.actConfigureApplicationExecute(Sender: TObject);
begin
if ConfigureApplication(ApplicationConfig) then
StoreDefaultValues;
end;
procedure TfrmMain.cbFTPAddressChange(Sender: TObject);
var
i : Integer;
begin
i := cbFTPAddress.ItemIndex;
if i = -1 then
begin
edUserName.Text := '';
edPassword.Text := '';
end
else
begin
edUserName.Text := TFTPSiteInfo(cbFTPAddress.Items.Objects[i]).UserName;
edPassword.Text := TFTPSiteInfo(cbFTPAddress.Items.Objects[i]).Password;
end;
actConfigureSite.Enabled := (cbFTPAddress.Text <> '');
actConnectDisconnect.Enabled := (cbFTPAddress.Text <> '');
end;
procedure TfrmMain.InitLogColors;
begin
with ApplicationConfig.LogColors do
begin
Colors['Default'] := clBlack;
Colors['hsStatusText'] := clBlack;
Colors['hsResolving'] := clBlack;
Colors['hsConnecting'] := clBlack;
Colors['hsDisconnecting'] := clBlack;
Colors['hsConnected'] := clBlue;
Colors['hsDisconnected'] := clBlue;
Colors['ftpTransfer'] := clBlue;
Colors['ftpReady'] := clGreen;
Colors['ftpAborted'] := clRed;
end;
end;
function FtpDownloadFile(strHost, strUser, strPwd: string;
Port: Integer; ftpDir, ftpFile, TargetFile: string;
ProxyUser,ProxyPassword:string;
ALabel:TLabel=nil;AProgressBar: TProgressBar=nil): Boolean;
function FmtFileSize(Size: Int64): string;
begin
if Size >= $E8D4A51000 then
Result := Format('%.2f', [Size / $3B9ACA00]) + ' To'
else
if Size >= $3B9ACA00 then
Result := Format('%.2f', [Size / $3B9ACA00]) + ' Go'
else
if Size >= $F4240 then
Result := Format('%.2f', [Size / $F4240]) + ' Mo'
else
if Size < 1000 then
Result := IntToStr(Size) + ' bytes'
else
Result := Format('%.2f', [Size / 1000]) + ' Ko';
end;
const
READ_BUFFERSIZE = 4096; // ou 256, 512, ...
var
hNet, hFTP, hFile: HINTERNET;
buffer: array[0..READ_BUFFERSIZE - 1] of Char;
bufsize, dwBytesRead: DWORD;
fileSize:Int64;
sRec: TWin32FindData;
bSuccess: Boolean;
PC:integer; //Pourcentage de téléchargement
UnFichier:TFileStream;
begin
Result := False;
{ Ouvre une session internet }
hNet := InternetOpen('Nom du programme', // Agent
INTERNET_OPEN_TYPE_PRECONFIG, // AccessType
PChar(ProxyUser), // Nom utilisateur pour le Proxy
PChar(ProxyPassword), // Mot de passe Proxy
0); // ou INTERNET_FLAG_ASYNC / INTERNET_FLAG_OFFLINE
{
l'agent contient le nom de l'application ou de
l'entité appelant les fonctions Internet
}
{ Le Handle de connexion est-il valide?}
if hNet = nil then
begin
ShowMessage('Impossible d''accéder à WinInet.Dll');
Exit;
end;
{Connexion au serveur FTP}
hFTP := InternetConnect(hNet, // Handle de InternetOpen
PChar(strHost), // serveur FTP
port,//ou bien (INTERNET_DEFAULT_FTP_PORT),
PChar(StrUser), // username
PChar(strPwd), // password
INTERNET_SERVICE_FTP, // FTP, HTTP, ou Gopher?
INTERNET_FLAG_PASSIVE, // flag: 0 ou INTERNET_FLAG_PASSIVE
0);// Nombre défini par l'utilisateur pour un callback
if hFTP = nil then
begin
InternetCloseHandle(hNet);
ShowMessage(Format('L''hôte "%s" n''est pas disponible',[strHost]));
Exit;
end;
{ Changer de répertoire }
bSuccess := FtpSetCurrentDirectory(hFTP, PChar(ftpDir));
if not bSuccess then
begin
InternetCloseHandle(hFTP);
InternetCloseHandle(hNet);
ShowMessage(Format('Ne peut accéder au répertoire %s.',[ftpDir]));
Exit;
end;
{ Lecture de la taille du fichier }
if FtpFindFirstFile(hFTP, PChar(ftpFile), sRec, 0, 0) <> nil then
begin
fileSize := sRec.nFileSizeLow;
end else
begin
InternetCloseHandle(hFTP);
InternetCloseHandle(hNet);
ShowMessage(Format('Cannot find file ',[ftpFile]));
Exit;
end;
{ Ouvre le fichier }
hFile := FtpOpenFile(hFTP, // Handle d'une session ftp
PChar(ftpFile), // Nom du fichier
GENERIC_READ, // dwAccess
FTP_TRANSFER_TYPE_BINARY, // dwFlags
0); // Ceci est le contexte utiliser pour les Callback.
if hFile = nil then
begin
InternetCloseHandle(hFTP);
InternetCloseHandle(hNet);
Exit;
end;
{ Créer un nouveau fichier local }
if FileExists(TargetFile) then DeleteFile(TargetFile);
UnFichier:=TFileStream.Create(TargetFile,fmCreate);
try
dwBytesRead := 0;
bufsize := READ_BUFFERSIZE;
while (bufsize > 0) do
begin
Application.ProcessMessages;
if not InternetReadFile(hFile,
@buffer, // addresse d'un buffer qui reçoit les données
READ_BUFFERSIZE, // Nombre d'octets à lire et à placer dans le buffer
bufsize) // Nombre d'octets effectivement lus
then Break; //On a fini de recevoir quelque chose
if (bufsize > 0) and (bufsize <= READ_BUFFERSIZE)
then bufsize:=UnFichier.Write(buffer, bufsize);
dwBytesRead := dwBytesRead + bufsize;
{ Montrer Progression }
PC:=Round(dwBytesRead * 100 / fileSize);
if Assigned(AProgressBar)
then AProgressBar.Position :=PC;
if Assigned(ALabel)
then ALabel.Caption := Format('%s of %s / %d %%',[FmtFileSize(dwBytesRead),FmtFileSize(fileSize) ,PC]);
end;
Result := True;
finally
UnFichier.Free;
InternetCloseHandle(hFile);
InternetCloseHandle(hFTP);
InternetCloseHandle(hNet);
end;
end; |
Partager