unit DirView; {=============================================================== Component TDirView / Version 2.6, January 2000 =============================================================== Description: ============ Displays files of a single directory as listview with shell icons. Complete drag&Drop support for files and directories. Author: ======= (c) Ingo Eckel 1998, 1999 Sodener Weg 38 65812 Bad Soden Germany Modifications (for WinSCP): =========================== (c) Martin Prikryl 2001- 2004 V2.6: - Shows "shared"-symbol with directories - New property ShowSubDirSize. Displays subdirectories sizes. - Delphi5 compatible For detailed documentation and history see TDirView.htm. ===============================================================} {Required compiler options for TDirView:} {$A+,B-,X+,H+,P+} interface {$WARN UNIT_PLATFORM OFF} {$WARN SYMBOL_PLATFORM OFF} {$DEFINE USE_DRIVEVIEW} uses Windows, ShlObj, ComCtrls, CompThread, CustomDirView, ListExt, ExtCtrls, Graphics, FileOperator, DiscMon, Classes, DirViewColProperties, DragDrop, Messages, ListViewColProperties, CommCtrl, DragDropFilesEx, FileCtrl, SysUtils, BaseUtils, Controls; {$I ResStrings.pas } type TVolumeDisplayStyle = (doPrettyName, doDisplayName, doLongPrettyName); {Diplaytext of drive node} const {$IFNDEF NO_THREADS} msThreadChangeDelay = 10; {TDiscMonitor: change delay} MaxWaitTimeOut = 10; {TFileDeleteThread: wait nn seconds for deleting files or directories} {$ENDIF} {$WARN SYMBOL_DEPRECATED OFF} FileAttr = SysUtils.faAnyFile and (not SysUtils.faVolumeID); {$WARN SYMBOL_DEPRECATED ON} SpecialExtensions = 'EXE,LNK,ICO,ANI,CUR,PIF,JOB,CPL'; ExeExtension = 'EXE'; MinDate = $21; {01.01.1980} MaxDate = $EF9F; {31.12.2099} MinTime = 0; {00:00:00} MaxTime = $C000; {24:00:00} type {Exceptions:} {$IFNDEF NO_THREADS} EIUThread = class(Exception); {$ENDIF} EDragDrop = class(Exception); EInvalidFileName = class(Exception); ERenameFileFailed = class(Exception); TDriveLetter = 'A'..'Z'; TClipboardOperation = (cboNone, cboCut, cboCopy); TFileNameDisplay = (fndStored, fndCap, fndNoCap, fndNice); {Record for each file item:} PFileRec = ^TFileRec; TFileRec = record Empty: Boolean; IconEmpty: Boolean; IsDirectory: Boolean; IsRecycleBin: Boolean; IsParentDir: Boolean; FileName: string; Displayname: string; FileExt: string; TypeName: string; ImageIndex: Integer; Size: Int64; Attr: LongWord; FileTime: TFileTime; PIDL: PItemIDList; {Fully qualified PIDL} end; {Record for fileinfo caching:} PInfoCache = ^TInfoCache; TInfoCache = record FileExt: string; TypeName: string; ImageIndex: Integer; end; {$IFDEF VER120} type TWMContextMenu = packed record Msg: Cardinal; hWnd: HWND; case Integer of 0: (XPos: Smallint; YPos: Smallint); 1: (Pos: TSmallPoint; Result: Longint); end; {$ENDIF} {Additional events:} type TDirViewFileSizeChanged = procedure(Sender: TObject; Item: TListItem) of object; TDirViewFileIconForName = procedure(Sender: TObject; Item: TListItem; var FileName: string) of object; type TDirView = class; {$IFNDEF NO_THREADS} TSubDirScanner = class(TCompThread) private FOwner: TDirView; FStartPath: string; FDirName: string; FTotalSize: Int64; procedure ThreadTerminated(Sender: TObject); protected constructor Create(Owner: TDirView; Item: TListItem); procedure DoUpdateItem; procedure Execute; override; end; { TIconUpdateThread (Fetch shell icons via thread) } TIconUpdateThread = class(TCompThread) private FOwner: TDirView; FIndex: Integer; FMaxIndex: Integer; FNewIcons: Boolean; FSyncIcon: Integer; CurrentIndex: Integer; CurrentFilePath: string; CurrentItemData: TFileRec; InvalidItem: Boolean; procedure SetIndex(Value: Integer); procedure SetMaxIndex(Value: Integer); protected constructor Create(Owner: TDirView); procedure DoFetchData; procedure DoUpdateIcon; procedure Execute; override; property Index: Integer read FIndex write SetIndex; property MaxIndex: Integer read FMaxIndex write SetMaxIndex; public procedure Terminate; override; end; {$ENDIF} { TDirView } TDirView = class(TCustomDirView) private FConfirmDelete: Boolean; FConfirmOverwrite: Boolean; FUseIconCache: Boolean; FInfoCacheList: TListExt; {$IFDEF USE_DRIVEVIEW} FDriveView: TObject; {$ENDIF} FChangeTimer: TTimer; FChangeInterval: Cardinal; FUseIconUpdateThread: Boolean; {$IFNDEF NO_THREADS} FIUThreadFinished: Boolean; {$ENDIF} FDriveType: Integer; FAttrSpace: string; FNoCheckDrives: string; FSortAfterUpdate: Boolean; FCompressedColor: TColor; FFileNameDisplay: TFileNameDisplay; FParentFolder: IShellFolder; FDesktopFolder: IShellFolder; FDirOK: Boolean; FPath: string; FDrawLinkOverlay: Boolean; SelectNewFiles: Boolean; FSelfDropDuplicates: Boolean; FHiddenCount: Integer; FFilteredCount: Integer; {File selection properties:} FSelArchive: TSelAttr; FSelHidden: TSelAttr; FSelSysFile: TSelAttr; FSelReadOnly: TSelAttr; FSelFileSizeFrom: Int64; FSelFileSizeTo: Int64; FSelFileDateFrom: Word; FSelFileDateTo: Word; FSelFileTimeFrom: Word; FSelFileTimeTo: Word; {shFileOperation-shell component TFileOperator:} FFileOperator: TFileOperator; {Additional thread components:} {$IFNDEF NO_THREADS} FIconUpdateThread: TIconUpdateThread; {$ENDIF} FDiscMonitor: TDiscMonitor; FHomeDirectory: string; FSubDirScanner: TList; {Additional events:} FOnFileSizeChanged: TDirViewFileSizeChanged; FOnFileIconForName: TDirViewFileIconForName; FOnChangeDetected: TNotifyEvent; FOnChangeInvalid: TNotifyEvent; iRecycleFolder: iShellFolder; PIDLRecycle: PItemIDList; FLastPath: array[TDriveLetter] of string; {Drag&Drop:} function GetDirColProperties: TDirViewColProperties; function GetHomeDirectory: string; {Drag&drop helper functions:} {$IFNDEF NO_THREADS} procedure SignalFileDelete(Sender: TObject; Files: TStringList); {$ENDIF} procedure PerformDragDropFileOperation(TargetPath: string; dwEffect: Integer; RenameOnCollision: Boolean); procedure SetDirColProperties(Value: TDirViewColProperties); protected function NewColProperties: TCustomListViewColProperties; override; function SortAscendingByDefault(Index: Integer): Boolean; override; procedure SetShowSubDirSize(Value: Boolean); override; {$IFDEF USE_DRIVEVIEW} procedure Notification(AComponent: TComponent; Operation: TOperation); override; {$ENDIF} procedure Delete(Item: TListItem); override; procedure DDError(ErrorNo: TDDError); function GetCanUndoCopyMove: Boolean; virtual; {Shell namespace functions:} function GetShellFolder(Dir: string): iShellFolder; function GetDirOK: Boolean; override; procedure GetDisplayInfo(ListItem: TListItem; var DispInfo: TLVItem); override; procedure DDDragDetect(grfKeyState: Longint; DetectStart, Point: TPoint; DragStatus: TDragDetectStatus); override; procedure DDMenuDone(Sender: TObject; AMenu: HMenu); override; procedure DDDropHandlerSucceeded(Sender: TObject; grfKeyState: Longint; Point: TPoint; dwEffect: Longint); override; procedure DDChooseEffect(grfKeyState: Integer; var dwEffect: Integer); override; function GetPathName: string; override; procedure SetChangeInterval(Value: Cardinal); virtual; procedure LoadFromRecycleBin(Dir: string); virtual; procedure SetLoadEnabled(Value: Boolean); override; function GetPath: string; override; procedure SetPath(Value: string); override; procedure PathChanged; override; procedure SetItemImageIndex(Item: TListItem; Index: Integer); override; procedure SetCompressedColor(Value: TColor); procedure ChangeDetected(Sender: TObject; const Directory: string; var SubdirsChanged: Boolean); procedure ChangeInvalid(Sender: TObject; const Directory: string; const ErrorStr: string); procedure TimerOnTimer(Sender: TObject); procedure ResetItemImage(Index: Integer); procedure SetAttrSpace(Value: string); procedure SetNoCheckDrives(Value: string); procedure SetWatchForChanges(Value: Boolean); override; procedure AddParentDirItem; procedure AddToDragFileList(FileList: TFileList; Item: TListItem); override; procedure SetFileNameDisplay(Value: TFileNameDisplay); virtual; function DragCompleteFileList: Boolean; override; procedure ExecuteFile(Item: TListItem); override; function GetIsRoot: Boolean; override; procedure InternalEdit(const HItem: TLVItem); override; function ItemColor(Item: TListItem): TColor; override; function ItemDisplayName(FileName: string): string; virtual; function ItemFileExt(Item: TListItem): string; function ItemFileNameOnly(Item: TListItem): string; function ItemImageIndex(Item: TListItem; Cache: Boolean): Integer; override; function ItemIsFile(Item: TListItem): Boolean; override; function ItemIsRecycleBin(Item: TListItem): Boolean; override; function ItemMatchesFilter(Item: TListItem; const Filter: TFileFilter): Boolean; override; function ItemOverlayIndexes(Item: TListItem): Word; override; procedure LoadFiles; override; procedure PerformItemDragDropOperation(Item: TListItem; Effect: Integer); override; procedure SortItems; override; {$IFNDEF NO_THREADS} procedure StartFileDeleteThread; {$ENDIF} procedure SetShowHiddenFiles(Value: Boolean); override; procedure WMDestroy(var Msg: TWMDestroy); message WM_DESTROY; procedure CMRecreateWnd(var Message: TMessage); message CM_RECREATEWND; function SecondaryColumnHeader(Index: Integer; var AliasOnly: Boolean): Integer; override; function HiddenCount: Integer; override; function FilteredCount: Integer; override; public {Runtime, readonly properties:} property DriveType: Integer read FDriveType; {$IFDEF USE_DRIVEVIEW} {Linked component TDriveView:} property DriveView: TObject read FDriveView write FDriveView; {$ENDIF} { required, otherwise AV generated, when dragging columns} property Columns stored False; property ParentFolder: IShellFolder read FParentFolder; {Drag&Drop runtime, readonly properties:} property CanUndoCopyMove: Boolean read GetCanUndoCopyMove; property DDFileOperator: TFileOperator read FFileOperator; {Drag&Drop fileoperation methods:} function UndoCopyMove: Boolean; dynamic; {Clipboard fileoperation methods (requires drag&drop enabled):} procedure EmptyClipboard; dynamic; function CopyToClipBoard: Boolean; dynamic; function CutToClipBoard: Boolean; dynamic; function PasteFromClipBoard(TargetPath: string = ''): Boolean; override; function DuplicateSelectedFiles: Boolean; dynamic; procedure DisplayPropertiesMenu; override; procedure DisplayContextMenu(Where: TPoint); override; procedure ExecuteParentDirectory; override; procedure ExecuteRootDirectory; override; function ItemIsDirectory(Item: TListItem): Boolean; override; function ItemFullFileName(Item: TListItem): string; override; function ItemIsParentDirectory(Item: TListItem): Boolean; override; function ItemFileName(Item: TListItem): string; override; function ItemFileSize(Item: TListItem): Int64; override; function ItemFileTime(Item: TListItem; var Precision: TDateTimePrecision): TDateTime; override; {$IFNDEF NO_THREADS} {Thread handling: } procedure StartWatchThread; procedure StopWatchThread; function WatchThreadActive: Boolean; procedure StartIconUpdateThread; procedure StopIconUpdateThread; procedure StartSubDirScanner; procedure StopSubDirScanner; procedure TerminateThreads; {$ENDIF} {Other additional functions: } procedure ClearIconCache; {Create a new file:} function CreateFile(NewName: string): TListItem; dynamic; {Create a new subdirectory:} procedure CreateDirectory(DirName: string); override; {Delete all selected files:} function DeleteSelectedFiles(AllowUndo: Boolean): Boolean; dynamic; {Check, if file or files still exists:} procedure ValidateFile(Item: TListItem); overload; procedure ValidateFile(FileName:TFileName); overload; procedure ValidateSelectedFiles; dynamic; {Access the internal data-structures:} function AddItem(SRec: SysUtils.TSearchRec): TListItem; reintroduce; procedure GetDisplayData(Item: TListItem; FetchIcon: Boolean); function GetFileRec(Index: Integer): PFileRec; {Populate / repopulate the filelist:} procedure Load; override; procedure Reload(CacheIcons : Boolean); override; procedure Reload2; function FormatFileTime(FileTime: TFileTime): string; virtual; function GetAttrString(Attr: Integer): string; virtual; procedure FetchAllDisplayData; constructor Create(AOwner: TComponent); override; destructor Destroy; override; procedure ExecuteHomeDirectory; override; procedure ReloadDirectory; override; procedure ExecuteDrive(Drive: TDriveLetter); property HomeDirectory: string read GetHomeDirectory write FHomeDirectory; {Redefined functions: } {Properties for filtering files:} property SelArchive: TSelAttr read FSelArchive write FSelArchive default selDontCare; property SelHidden: TSelAttr read FSelHidden write FSelHidden default selDontCare; property SelSysFile: TSelAttr read FSelSysFile write FSelSysFile default selDontCare; property SelReadOnly: TSelAttr read FSelReadOnly write FSelReadOnly default selDontCare; property SelFileSizeFrom: Int64 read FSelFileSizeFrom write FSelFileSizeFrom; property SelFileSizeTo: Int64 read FSelFileSizeTo write FSelFileSizeTo default 0; property SelFileDateFrom: Word read FSelFileDateFrom write FSelFileDateFrom default MinDate; {01.01.1980} property SelFileDateTo: Word read FSelFileDateTo write FSelFileDateTo default MaxDate; {31.12.2099} property SelFileTimeFrom: Word read FSelFileTimeFrom write FSelFileTimeFrom; property SelFileTimeTo: Word read FSelFileTimeTo write FSelFileTimeTo default MaxTime; published property DirColProperties: TDirViewColProperties read GetDirColProperties write SetDirColProperties; property PathLabel; property OnUpdateStatusBar; property OnGetSelectFilter; property HeaderImages; property LoadAnimation; property DimmHiddenFiles; property ShowDirectories; property ShowHiddenFiles; property ShowSubDirSize; property SingleClickToExec; property WantUseDragImages; property TargetPopupMenu; property AddParentDir; property OnSelectItem; property OnStartLoading; property OnLoaded; property OnDDDragEnter; property OnDDDragLeave; property OnDDDragOver; property OnDDDrop; property OnDDQueryContinueDrag; property OnDDGiveFeedback; property OnDDDragDetect; property OnDDCreateDragFileList; property OnDDEnd; property OnDDCreateDataObject; property OnDDTargetHasDropHandler; {Drag&Drop:} property DDLinkOnExeDrag default True; property OnDDProcessDropped; property OnDDError; property OnDDExecuted; property OnDDFileOperation; property OnDDFileOperationExecuted; property OnDDMenuPopup; property OnExecFile; property OnMatchMask; property OnGetOverlay; property CompressedColor: TColor read FCompressedColor write SetCompressedColor default clBlue; {Confirm deleting files} property ConfirmDelete: Boolean read FConfirmDelete write FConfirmDelete default True; {Confirm overwriting files} property ConfirmOverwrite: Boolean read FConfirmOverwrite write fConfirmOverwrite default True; property SortAfterUpdate: Boolean read FSortAfterUpdate write FSortAfterUpdate default True; {Reload the directory after only the interval:} property ChangeInterval: Cardinal read FChangeInterval write SetChangeInterval default MSecsPerSec; {Fetch shell icons by thread:} property UseIconUpdateThread: Boolean read FUseIconUpdateThread write FUseIconUpdateThread default False; {Enables or disables icon caching for registered file extensions. Caching enabled enhances the performance but does not take care about installed icon handlers, wich may modify the display icon for registered files. Only the iconindex is cached not the icon itself:} property UseIconCache: Boolean read FUseIconCache write FUseIconCache default False; property FileNameDisplay: TFileNameDisplay read FFileNameDisplay write SetFileNameDisplay default fndStored; {Use this string as whitespace in the attribute column:} property AttrSpace: string read FAttrSpace write SetAttrSpace; {Don't watch these drives for changes:} property NoCheckDrives: string read FNoCheckDrives write SetNoCheckDrives; {Watch current directory for filename changes (create, rename, delete files)} property WatchForChanges; property SelfDropDuplicates: Boolean read FSelfDropDuplicates write FSelfDropDuplicates default False; {Additional events:} {The watchthread has detected new, renamed or deleted files} {$IFNDEF NO_THREADS} property OnChangeDetected: TNotifyEvent read FOnChangeDetected write FOnChangeDetected; {The watchthread can't watch the current directory. Occurs on novell network drives.} property OnChangeInvalid: TNotifyEvent read FOnChangeInvalid write FOnChangeInvalid; {$ENDIF} {Set AddFile to false, if actual file should not be added to the filelist:} property OnFileSizeChanged: TDirViewFileSizeChanged read FOnFileSizeChanged write FOnFileSizeChanged; property OnFileIconForName: TDirViewFileIconForName read FOnFileIconForName write FOnFileIconForName; property UseSystemContextMenu; property OnContextPopup; property OnBeginRename; property OnEndRename; property OnHistoryChange; property OnHistoryGo; property OnPathChange; property ColumnClick; property MultiSelect; property ReadOnly; // The only way to make Items stored automatically and survive handle recreation. // Though we should implement custom persisting to avoid publishing this property Items; end; {Type TDirView} procedure Register; {Returns True, if the specified extension matches one of the extensions in ExtList:} function MatchesFileExt(Ext: string; const FileExtList: string): Boolean; var LastClipBoardOperation: TClipBoardOperation; LastIOResult: DWORD; implementation uses {$IFDEF USE_DRIVEVIEW} DriveView, {$ENDIF} PIDL, Forms, Dialogs, ShellAPI, ComObj, ActiveX, ImgList, ShellDialogs, IEDriveInfo, FileChanges, Math, PasTools, StrUtils; var DaylightHack: Boolean; procedure Register; begin RegisterComponents('DriveDir', [TDirView]); end; {Register} function CompareInfoCacheItems(I1, I2: Pointer): Integer; begin if PInfoCache(I1)^.FileExt < PInfoCache(I2)^.FileExt then Result := fLess else if PInfoCache(I1)^.FileExt > PInfoCache(I2)^.FileExt then Result := fGreater else Result := fEqual; end; {CompareInfoCacheItems} function MatchesFileExt(Ext: string; const FileExtList: string): Boolean; begin Result := (Length(Ext) = 3) and (Pos(Ext, FileExtList) <> 0); end; {MatchesFileExt} function FileTimeToDateTime(FileTime: TFileTime): TDateTime; var SysTime: TSystemTime; UniverzalSysTime: TSystemTime; LocalFileTime: TFileTime; begin // duplicated in Common.cpp if not DaylightHack then begin FileTimeToSystemTime(FileTime, UniverzalSysTime); SystemTimeToTzSpecificLocalTime(nil, UniverzalSysTime, SysTime); end else begin FileTimeToLocalFileTime(FileTime, LocalFileTime); FileTimeToSystemTime(LocalFileTime, SysTime); end; Result := SystemTimeToDateTime(SysTime); end; function SizeFromSRec(const SRec: SysUtils.TSearchRec): Int64; begin with SRec do begin // Hopefuly TSearchRec.FindData is available with all Windows versions {if Size >= 0 then Result := Size else} {$WARNINGS OFF} Result := Int64(FindData.nFileSizeHigh) shl 32 + FindData.nFileSizeLow; {$WARNINGS ON} end; end; {$IFNDEF NO_THREADS} { TSubDirScanner } constructor TSubDirScanner.Create(Owner: TDirView; Item: TListItem); begin inherited Create(True); FOwner := Owner; FTotalSize := 0; FStartPath := FOwner.ItemFullFileName(Item); FDirName := Item.Caption; FreeOnTerminate := False; OnTerminate := ThreadTerminated; Priority := tpLower; Resume; end; {Create} procedure TSubDirScanner.Execute; function ScanSubDir(Path: string): Boolean; var SRec: SysUtils.TSearchRec; DosError: Integer; SubDirs: TStringList; Index: Integer; FSize: Int64; begin Result := True; DosError := FindFirst(Path + '*.*', faAnyFile, SRec); if DosError = 0 then begin SubDirs := TStringList.Create; try while DosError = 0 do begin if Terminated then Break; if (SRec.Name <> '.') and (SRec.name <> '..') then begin FSize := SizeFromSRec(SRec); if FSize > 0 then Inc(FTotalSize, FSize); if SRec.Attr and faDirectory <> 0 then SubDirs.Add(IncludeTrailingPathDelimiter(Path + Srec.Name)); end; if not Terminated then DosError := FindNext(SRec) else Break; end; {While} FindClose(SRec); finally try for Index := 0 to SubDirs.Count - 1 do begin Result := ScanSubDir(SubDirs[Index]); if not Result then Break; end; finally SubDirs.Free; if Result then Result := (DosError = ERROR_NO_MORE_FILES); end; end; end; end; {ScanSubDir} begin {Execute} if ScanSubDir(IncludeTrailingPathDelimiter(FStartPath)) and not Terminated then Synchronize(DoUpdateItem); end; {Execute} procedure TSubDirScanner.DoUpdateItem; var Item: TListItem; StartPos: Integer; begin if not Terminated then begin StartPos := 0; Item := nil; while StartPos < FOwner.Items.Count do begin Item := FOwner.FindCaption(StartPos, FDirName, False, True, False); if Assigned(Item) and (FOwner.ItemFullFileName(Item) = FStartPath) then Break else if not Assigned(Item) then Break else StartPos := Item.Index + 1; end; if Assigned(Item) and not Terminated then begin PFileRec(Item.Data)^.Size := FTotalSize; Inc(FOwner.FFilesSize, FTotalSize); if Item.Selected then Inc(FOwner.FFilesSelSize, FTotalSize); FOwner.UpdateItems(Item.Index, Item.Index); if Assigned(FOwner.OnFileSizeChanged) then FOwner.OnFileSizeChanged(FOwner, Item); end; end; end; {DoUpdateItem} procedure TSubDirScanner.ThreadTerminated(Sender: TObject); var Index: Integer; begin Assert(Assigned(FOwner)); with FOwner do for Index := 0 to FSubDirScanner.Count - 1 do if FSubDirScanner[Index] = Self then begin try FSubDirScanner.Delete(Index); if (FSubDirScanner.Count = 0) and (FOwner.SortColumn = Integer(dvSize)) and not Loading then FOwner.SortItems; finally inherited Destroy; end; Exit; end; Assert(False, 'TSubDirScanner failed: ' + FStartPath); inherited Destroy; end; {ThreadTerminated} { TIconUpdateThread } constructor TIconUpdateThread.Create(Owner: TDirView); begin inherited Create(True); FOwner := Owner; FIndex := 0; FNewIcons := False; if (FOwner.ViewStyle = vsReport) or (FOwner.ViewStyle = vsList) then FMaxIndex := FOwner.VisibleRowCount else FMaxIndex := 0; FOwner.FIUThreadFinished := False; end; {TIconUpdateThread.Create} procedure TIconUpdateThread.SetMaxIndex(Value: Integer); var Point: TPoint; Item: TListItem; begin if Value <> MaxIndex then begin FNewIcons := True; if Value < FMaxIndex then begin if Suspended then FIndex := Value else begin Point.X := 0; Point.X := 0; Item := FOwner.GetNearestItem(Point, TSearchDirection(sdAbove)); if Assigned(Item) then FIndex := Item.Index else FIndex := Value; end; end else FMaxIndex := Value; end; end; {SetMaxIndex} procedure TIconUpdateThread.SetIndex(Value: Integer); var PageSize: Integer; begin if Value <> Index then begin PageSize := FOwner.VisibleRowCount; FIndex := Value; FNewIcons := True; if FOwner.ViewStyle = vsList then FMaxIndex := Value + 2 * PageSize else FMaxIndex := Value + PageSize; end; end; {SetIndex} procedure TIconUpdateThread.Execute; var FileInfo: TShFileInfo; Count: Integer; Eaten: ULONG; ShAttr: ULONG; FileIconForName: string; ForceByName: Boolean; begin if Assigned(FOwner.TopItem) then FIndex := FOwner.TopItem.Index else FIndex := 0; FNewIcons := (FIndex > 0); while not Terminated do begin if FIndex > FMaxIndex then Suspend; Count := FOwner.Items.Count; if not Terminated and ((FIndex >= Count) or (Count = 0)) then Suspend; InvalidItem := True; if Terminated then Break; Synchronize(DoFetchData); if (not InvalidItem) and (not Terminated) and CurrentItemData.IconEmpty then begin try ForceByName := False; FileIconForName := CurrentFilePath; if Assigned(FOwner.FOnFileIconForName) then begin FOwner.FOnFileIconForName(FOwner, nil, FileIconForName); ForceByName := (FileIconForName <> CurrentFilePath); end; if not Assigned(CurrentItemData.PIDL) then begin FOwner.FDesktopFolder.ParseDisplayName(FOwner.ParentForm.Handle, nil, PChar(CurrentFilePath), Eaten, CurrentItemData.PIDL, ShAttr); end; if (not ForceByName) and Assigned(CurrentItemData.PIDL) then shGetFileInfo(PChar(CurrentItemData.PIDL), 0, FileInfo, SizeOf(FileInfo), SHGFI_TYPENAME or SHGFI_USEFILEATTRIBUTES or SHGFI_SYSICONINDEX or SHGFI_PIDL) else shGetFileInfo(PChar(FileIconForName), 0, FileInfo, SizeOf(FileInfo), SHGFI_TYPENAME or SHGFI_USEFILEATTRIBUTES or SHGFI_SYSICONINDEX); except {Capture exceptions generated by the shell} FSyncIcon := UnKnownFileIcon; end; if Terminated then begin FreePIDL(CurrentItemData.PIDL); Break; end; FSyncIcon := FileInfo.iIcon; if FSyncIcon <> CurrentItemData.ImageIndex then FNewIcons := True; if not Terminated then Synchronize(DoUpdateIcon); FreePIDL(CurrentItemData.PIDL); end; SetLength(CurrentFilePath, 0); if CurrentIndex = FIndex then Inc(FIndex); SetLength(CurrentFilePath, 0); end; end; {TIconUpdateThread.Execute} procedure TIconUpdateThread.DoFetchData; begin CurrentIndex := fIndex; if not Terminated and (Pred(FOwner.Items.Count) >= CurrentIndex) and Assigned(FOwner.Items[CurrentIndex]) and Assigned(FOwner.Items[CurrentIndex].Data) then begin CurrentFilePath := FOwner.ItemFullFileName(FOwner.Items[CurrentIndex]); CurrentItemData := PFileRec(FOwner.Items[CurrentIndex].Data)^; InvalidItem := False; end else InvalidItem := True; end; {TIconUpdateThread.DoFetchData} procedure TIconUpdateThread.DoUpdateIcon; var LVI: TLVItem; begin if (FOwner.Items.Count > CurrentIndex) and not fOwner.Loading and not Terminated and Assigned(FOwner.Items[CurrentIndex]) and Assigned(FOwner.Items[CurrentIndex].Data) then with FOwner.Items[CurrentIndex] do begin if (FSyncIcon >= 0) and (PFileRec(Data)^.ImageIndex <> FSyncIcon) then begin with PFileRec(Data)^ do ImageIndex := FSyncIcon; {To avoid flickering of the display use Listview_SetItem instead of using the property ImageIndex:} LVI.mask := LVIF_IMAGE; LVI.iItem := CurrentIndex; LVI.iSubItem := 0; LVI.iImage := I_IMAGECALLBACK; if not Terminated then ListView_SetItem(FOwner.Handle, LVI); FNewIcons := True; end; PFileRec(Data)^.IconEmpty := False; end; end; {TIconUpdateThread.DoUpdateIcon} procedure TIconUpdateThread.Terminate; begin FOwner.FIUThreadFinished := True; inherited; end; {TIconUpdateThread.Terminate} {$ENDIF} // NO_THREADS { TDirView } constructor TDirView.Create(AOwner: TComponent); var D: TDriveLetter; begin inherited Create(AOwner); FInfoCacheList := TListExt.Create(SizeOf(TInfoCache)); FDriveType := DRIVE_UNKNOWN; FUseIconCache := False; FConfirmDelete := True; FAttrSpace := EmptyStr; FSortAfterUpdate := True; FCompressedColor := clBlue; FFileNameDisplay := fndStored; FParentFolder := nil; FDesktopFolder := nil; SelectNewFiles := False; FDrawLinkOverlay := False; DragOnDriveIsMove := True; FSelfDropDuplicates := False; FHiddenCount := 0; FFilteredCount := 0; FFileOperator := TFileOperator.Create(Self); FFileOperator.ProgressTitle := coFileOperatorTitle; FFileOperator.Flags := [foAllowUndo, foNoConfirmMkDir]; FDirOK := True; FPath := ''; FDiscMonitor := nil; FSubDirScanner := TList.Create; {ChangeTimer: } if FChangeInterval = 0 then FChangeInterval := MSecsPerSec; FChangeTimer := TTimer.Create(Self); FChangeTimer.Interval := FChangeInterval; FChangeTimer.Enabled := False; FChangeTimer.OnTimer := TimerOnTimer; FSelArchive := selDontCare; FSelHidden := selDontCare; FSelReadOnly := selDontCare; FSelSysFile := selDontCare; FSelFileSizeTo := 0; FSelFileDateFrom := MinDate; FSelFileDateTo := MaxDate; FSelFileTimeTo := MaxTime; {Drag&drop:} FConfirmOverwrite := True; DDLinkOnExeDrag := True; with DragDropFilesEx do begin SourceEffects := DragSourceEffects; TargetEffects := [deCopy, deMove, deLink]; ShellExtensions.DragDropHandler := True; ShellExtensions.DropHandler := True; end; for D := Low(FLastPath) to High(FLastPath) do FLastPath[D] := ''; end; {Create} destructor TDirView.Destroy; begin FSubDirScanner.Free; if Assigned(PIDLRecycle) then FreePIDL(PIDLRecycle); FInfoCacheList.Free; FFileOperator.Free; FChangeTimer.Free; inherited Destroy; FPath := ''; end; {Destroy} procedure TDirView.WMDestroy(var Msg: TWMDestroy); begin Selected := nil; ClearItems; {$IFNDEF NO_THREADS} TerminateThreads; {$ENDIF} inherited; end; {WMDestroy} procedure TDirView.CMRecreateWnd(var Message: TMessage); begin // see comment in TDirView.StopSubDirScanner if not (csRecreating in ControlState) then begin inherited; end; end; {$IFNDEF NO_THREADS} procedure TDirView.TerminateThreads; begin StopSubDirScanner; StopIconUpdateThread; StopWatchThread; if Assigned(FDiscMonitor) then begin FDiscMonitor.Free; FDiscMonitor := nil; end; end; {TerminateThreads} {$ENDIF} function TDirView.GetHomeDirectory: string; begin if FHomeDirectory <> '' then Result := FHomeDirectory else begin Result := UserDocumentDirectory; if IsUNCPath(Result) then Result := AnyValidPath; end; end; { GetHomeDirectory } function TDirView.GetIsRoot: Boolean; begin Result := (Length(Path) = 2) and (Path[2] = ':'); end; function TDirView.GetPath: string; begin Result := FPath; end; procedure TDirView.PathChanged; var Expanded: string; begin inherited; // make sure to use PathName as Path maybe just X: what // ExpandFileName resolves to current working directory // on the drive, not to root path Expanded := ExpandFileName(PathName); Assert(Pos(':', Expanded) = 2); FLastPath[UpCase(Expanded[1])] := Expanded; end; procedure TDirView.SetPath(Value: string); begin // do checks before passing directory to drive view, because // it would truncate non-existing directory to first superior existing Value := ReplaceStr(Value, '/', '\'); if IsUncPath(Value) then raise Exception.CreateFmt(SUcpPathsNotSupported, [Value]); if not DirectoryExists(Value) then raise Exception.CreateFmt(SDirNotExists, [Value]); if Assigned(FDriveView) and (TDriveView(FDriveView).Directory <> Value) then begin TDriveView(FDriveView).Directory := Value; end else if FPath <> Value then try while (Length(Value) > 0) and (Value[Length(Value)] = '\') do SetLength(Value, Length(Value) - 1); PathChanging(True); FPath := Value; Load; finally PathChanged; end; end; procedure TDirView.SetLoadEnabled(Value: Boolean); begin if Value <> LoadEnabled then begin FLoadEnabled := Enabled; if LoadEnabled and Dirty then begin if Items.Count > 100 then Reload2 else Reload(True); end; end; end; {SetLoadEnabled} procedure TDirView.SetShowHiddenFiles(Value: Boolean); begin if Value <> ShowHiddenFiles then begin if Value then FSelHidden := selDontCare else FSelHidden := selNo; inherited; end; end; procedure TDirView.SetCompressedColor(Value: TColor); begin if Value <> CompressedColor then begin FCompressedColor := Value; Invalidate; end; end; {SetCompressedColor} function TDirView.GetPathName: string; begin if (Length(Path) = 2) and (Path[2] = ':') then Result := Path + '\' else Result := Path; end; {GetPathName} function TDirView.GetFileRec(Index: Integer): PFileRec; begin if Index > Pred(Items.Count) then Result := nil else Result := Items[index].Data; end; {GetFileRec} function TDirView.ItemDisplayName(FileName: string): string; begin case FFileNameDisplay of fndCap: Result := UpperCase(FileName); fndNoCap: Result := LowerCase(FileName); fndNice: if (Length(FileName) > 12) or (Pos(' ', FileName) <> 0) then Result := FileName else begin Result := LowerCase(FileName); Result[1] := Upcase(Result[1]); end; else Result := FileName; end; {Case} end; {ItemDisplayName} function TDirView.SecondaryColumnHeader(Index: Integer; var AliasOnly: Boolean): Integer; begin if Index = Integer(dvName) then Result := Integer(dvExt) else Result := -1; AliasOnly := False; end; function TDirView.HiddenCount: Integer; begin Result := FHiddenCount; end; function TDirView.FilteredCount: Integer; begin Result := FFilteredCount; end; function TDirView.AddItem(SRec: SysUtils.TSearchRec): TListItem; var PItem: PFileRec; Item: TListItem; begin Item := TListItem.Create(Items); New(PItem); with PItem^ do begin // must be set as soon as possible, at least before Caption is set, // because if come column is "autosized" setting Caption invokes some callbacks Item.Data := PItem; FileName := SRec.Name; FileExt := UpperCase(ExtractFileExt(Srec.Name)); FileExt := Copy(FileExt, 2, Length(FileExt) - 1); DisplayName := ItemDisplayName(FileName); {$WARNINGS OFF} Attr := SRec.FindData.dwFileAttributes; {$WARNINGS ON} IsParentDir := False; IsDirectory := ((Attr and SysUtils.faDirectory) <> 0); IsRecycleBin := IsDirectory and (Length(Path) = 2) and Bool(Attr and SysUtils.faSysFile) and ((UpperCase(FileName) = 'RECYCLED') or (UpperCase(FileName) = 'RECYCLER')); if not IsDirectory then Size := SizeFromSRec(SRec) else Size := -1; {$WARNINGS OFF} FileTime := SRec.FindData.ftLastWriteTime; {$WARNINGS ON} Empty := True; IconEmpty := True; if Size > 0 then Inc(FFilesSize, Size); PIDL := nil; // Need to add before assigning to .Caption and .OverlayIndex, // as the setters these call back to owning view. // Assignment is redundant Item := Items.AddItem(Item); if not Self.IsRecycleBin then Item.Caption := SRec.Name; if FileExt = 'LNK' then Item.OverlayIndex := 1; end; if SelectNewFiles then Item.Selected := True; Result := Item; end; {AddItem} procedure TDirView.AddParentDirItem; var PItem: PFileRec; Item: TListItem; SRec: SysUtils.TSearchRec; begin FHasParentDir := True; Item := Items.Add; New(PItem); if FindFirst(FPath, faAnyFile, SRec) = 0 then FindClose(SRec); with PItem^ do begin Item.Data := PItem; FileName := '..'; FileExt := ''; DisplayName := '..'; Attr := SRec.Attr; IsDirectory := True; IsRecycleBin := False; IsParentDir := True; Size := -1; Item.Caption := '..'; {$WARNINGS OFF} FileTime := SRec.FindData.ftLastWriteTime; {$WARNINGS ON} Empty := True; IconEmpty := False; PIDL := nil; if HasExtendedCOMCTL32 then ImageIndex := StdDirIcon else ImageIndex := StdDirSelIcon; TypeName := SParentDir; Empty := False; end; end; {AddParentDirItem} procedure TDirView.LoadFromRecycleBin(Dir: string); var PIDLRecycleLocal: PItemIDList; PCurrList: PItemIDList; FQPIDL: PItemIDList; EnumList: IEnumIDList; Fetched: ULONG; SRec: SysUtils.TSearchRec; DisplayName: string; FullPath: string; NewItem: TListItem; FileRec: PFileRec; FileInfo: TSHFileInfo; FileSel: Boolean; DosError: Integer; AttrIncludeMask: Integer; AttrExcludeMask: Integer; FileTimeFrom: LongWord; FileTimeTo: LongWord; FSize: Int64; procedure AddToMasks(Attr: TSelAttr; Mask: Word); begin case Attr of selYes: AttrIncludeMask := AttrIncludeMask or Mask; selNo: AttrExcludeMask := AttrExcludeMask or Mask; end; end; begin if not Assigned(iRecycleFolder) then begin PIDLRecycleLocal := nil; try OLECheck(shGetSpecialFolderLocation(Self.Handle, CSIDL_BITBUCKET, PIDLRecycleLocal)); PIDLRecycle := PIDL_Concatenate(nil, PIDLRecycleLocal); if not SUCCEEDED(FDesktopFolder.BindToObject(PIDLRecycle, nil, IID_IShellFolder, Pointer(iRecycleFolder))) then Exit; finally if Assigned(PIDLRecycleLocal) then FreePIDL(PIDLRecycleLocal); end; end; FParentFolder := iRecycleFolder; if AddParentDir then AddParentDirItem; FHiddenCount := 0; FFilteredCount := 0; AttrIncludeMask := 0; AttrExcludeMask := 0; AddToMasks(FSelArchive, SysUtils.faArchive); AddToMasks(FSelHidden, SysUtils.faHidden); AddToMasks(FSelReadOnly, SysUtils.faReadOnly); AddToMasks(FSelSysFile, SysUtils.faSysFile); FileTimeFrom := LongWord(FSelFileDateFrom) shl 16 or FSelFileTimeFrom; FileTimeTo := LongWord(FSelFileDateTo) shl 16 or FSelFileTimeTo; if SUCCEEDED(iRecycleFolder.EnumObjects(Self.Handle, SHCONTF_FOLDERS or SHCONTF_NONFOLDERS or SHCONTF_INCLUDEHIDDEN, EnumList)) then begin while (EnumList.Next(1, PCurrList, Fetched) = S_OK) and not AbortLoading do begin if Assigned(PCurrList) then try FQPIDL := PIDL_Concatenate(PIDLRecycle, PCurrList); {Physical filename:} SetLength(FullPath, MAX_PATH); if shGetPathFromIDList(FQPIDL, PChar(FullPath)) then SetLength(FullPath, StrLen(PChar(FullPath))); {Filesize, attributes and -date:} DosError := FindFirst(FullPath, faAnyFile, SRec); FindClose(Srec); SRec.Name := ExtractFilePath(FullPath) + SRec.Name; {Displayname:} GetShellDisplayName(iRecycleFolder, PCurrList, SHGDN_FORPARSING, DisplayName); FileSel := (DosError = 0); if FileSel and not (Bool(SRec.Attr and faDirectory)) then begin if (AttrIncludeMask <> 0) then FileSel := Srec.Attr and AttrIncludeMask >= AttrIncludeMask; if FileSel and (AttrExcludeMask <> 0) then FileSel := AttrExcludeMask and Srec.Attr = 0; FSize := SizeFromSRec(SRec); FileSel := FileSel and ((Mask = '') or FileNameMatchesMasks( DisplayName, False, FSize, FileTimeToDateTime(SRec.FindData.ftLastWriteTime), Mask, True)) and (FSize >= FSelFileSizeFrom) and ((FSelFileSizeTo = 0) or (FSize <= FSelFileSizeTo)) and {$WARN SYMBOL_DEPRECATED OFF} (LongWord(SRec.Time) >= FileTimeFrom) and (LongWord(SRec.Time) <= FileTimeTo); {$WARN SYMBOL_DEPRECATED ON} end; if FileSel then begin {Filetype and icon:} SHGetFileInfo(PChar(FQPIDL), 0, FileInfo, SizeOf(FileInfo), SHGFI_PIDL or SHGFI_TYPENAME or SHGFI_SYSICONINDEX); NewItem := AddItem(Srec); NewItem.Caption := DisplayName; FileRec := NewItem.Data; FileRec^.Empty := False; FileRec^.IconEmpty := False; FileRec^.DisplayName := DisplayName; FileRec^.PIDL := FQPIDL; FileRec^.TypeName := FileInfo.szTypeName; if FileRec^.Typename = EmptyStr then FileRec^.TypeName := Format(STextFileExt, [FileRec.FileExt]); FileRec^.ImageIndex := FileInfo.iIcon; {$IFNDEF NO_THREADS} if ShowSubDirSize and FileRec^.isDirectory then FSubDirScanner.Add(TSubDirScanner.Create(Self, NewItem)); {$ENDIF} end else begin if (AttrExcludeMask and Srec.Attr and SysUtils.faHidden) <> 0 then Inc(FHiddenCount) else Inc(FFilteredCount); FreePIDL(FQPIDL); end; FreePIDL(PCurrList); except if Assigned(PCurrList) then try FreePIDL(PCurrList); except end; end; end; {While EnumList ...} end; end; {LoadFromRecycleBin} function TDirView.GetShellFolder(Dir: string): iShellFolder; var Eaten: ULONG; Attr: ULONG; NewPIDL: PItemIDList; begin Result := nil; if not Assigned(FDesktopFolder) then ShGetDesktopFolder(FDesktopFolder); if Assigned(FDesktopFolder) then begin if Succeeded(FDesktopFolder.ParseDisplayName( ParentForm.Handle, nil, PChar(Dir), Eaten, NewPIDL, Attr)) then begin try assert(Assigned(NewPIDL)); FDesktopFolder.BindToObject(NewPIDL, nil, IID_IShellFolder, Pointer(Result)); Assert(Assigned(Result)); finally FreePIDL(NewPIDL); end; end; end; end; {GetShellFolder} function TDirView.ItemIsDirectory(Item: TListItem): Boolean; begin Result := (Assigned(Item) and Assigned(Item.Data) and PFileRec(Item.Data)^.IsDirectory); end; function TDirView.ItemIsFile(Item: TListItem): Boolean; begin Result := (Assigned(Item) and Assigned(Item.Data) and (not PFileRec(Item.Data)^.IsParentDir)); end; function TDirView.ItemIsParentDirectory(Item: TListItem): Boolean; begin Result := (Assigned(Item) and Assigned(Item.Data) and PFileRec(Item.Data)^.IsParentDir); end; function TDirView.ItemIsRecycleBin(Item: TListItem): Boolean; begin Result := (Assigned(Item) and Assigned(Item.Data) and PFileRec(Item.Data)^.IsRecycleBin); end; function TDirView.ItemMatchesFilter(Item: TListItem; const Filter: TFileFilter): Boolean; var FileRec: PFileRec; Modification: TDateTime; begin Assert(Assigned(Item) and Assigned(Item.Data)); FileRec := PFileRec(Item.Data); if (Filter.ModificationFrom > 0) or (Filter.ModificationTo > 0) then Modification := FileTimeToDateTime(FileRec^.FileTime) else Modification := 0; Result := ((FileRec^.Attr and Filter.IncludeAttr) = Filter.IncludeAttr) and ((FileRec^.Attr and Filter.ExcludeAttr) = 0) and ((Filter.FileSizeFrom = 0) or (FileRec^.Size >= Filter.FileSizeFrom)) and ((Filter.FileSizeTo = 0) or (FileRec^.Size <= Filter.FileSizeTo)) and ((Filter.ModificationFrom = 0) or (Modification >= Filter.ModificationFrom)) and ((Filter.ModificationTo = 0) or (Modification <= Filter.ModificationTo)) and ((Filter.Masks = '') or FileNameMatchesMasks(FileRec^.FileName, FileRec^.IsDirectory, FileRec^.Size, FileTimeToDateTime(FileRec^.FileTime), Filter.Masks, False) or (FileRec^.IsDirectory and Filter.Directories and FileNameMatchesMasks(FileRec^.FileName, False, FileRec^.Size, FileTimeToDateTime(FileRec^.FileTime), Filter.Masks, False))); end; function TDirView.ItemOverlayIndexes(Item: TListItem): Word; begin Result := inherited ItemOverlayIndexes(Item); if Assigned(Item) and Assigned(Item.Data) then begin if PFileRec(Item.Data)^.IsParentDir then Inc(Result, oiDirUp); if FDrawLinkOverlay and (UpperCase(ItemFileExt(Item)) = '.LNK') then Inc(Result, oiLink); end; end; procedure TDirView.Load; begin try {$IFNDEF NO_THREADS} StopSubDirScanner; StopIconUpdateThread; StopWatchThread; {$ENDIF} FChangeTimer.Enabled := False; FChangeTimer.Interval := 0; inherited; finally if DirOK and not AbortLoading then begin {$IFNDEF NO_THREADS} if FUseIconUpdateThread and (not IsRecycleBin) then StartIconUpdateThread; StartWatchThread; {$ENDIF} end; end; end; procedure TDirView.LoadFiles; var SRec: SysUtils.TSearchRec; DosError: Integer; FileSel: Boolean; FSize: Int64; {$IFNDEF NO_THREADS} NewItem: TListItem; {$ENDIF} AttrIncludeMask: Integer; AttrExcludeMask: Integer; FileTimeFrom: LongWord; FileTimeTo: LongWord; {$IFDEF USE_DRIVEVIEW} DirsCount: Integer; SelTreeNode: TTreeNode; Node: TTreeNode; {$ENDIF} procedure AddToMasks(Attr: TSelAttr; Mask: Word); begin case Attr of selYes: AttrIncludeMask := AttrIncludeMask or Mask; selNo: AttrExcludeMask := AttrExcludeMask or Mask; end; end; begin FHiddenCount := 0; FFilteredCount := 0; AttrIncludeMask := 0; AttrExcludeMask := 0; AddToMasks(FSelArchive, SysUtils.faArchive); AddToMasks(FSelHidden, SysUtils.faHidden); AddToMasks(FSelReadOnly, SysUtils.faReadOnly); AddToMasks(FSelSysFile, SysUtils.faSysFile); FileTimeFrom := LongWord(fSelFileDateFrom) shl 16 or fSelFileTimeFrom; FileTimeTo := LongWord(fSelFileDateTo) shl 16 or fSelFileTimeTo; try if Length(FPath) > 0 then begin DriveInfo.ReadDriveStatus(FPath[1], dsSize); FDriveType := DriveInfo[FPath[1]].DriveType; end else FDriveType := DRIVE_UNKNOWN; FDirOK := (Length(FPath) > 0) and DriveInfo[FPath[1]].DriveReady and DirExists(FPath); if DirOK then begin {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) then SelTreeNode := TDriveView(FDriveView).FindNodeToPath(FPath) else SelTreeNode := nil; {$ENDIF} {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) and Assigned(SelTreeNode) then FIsRecycleBin := TNodeData(SelTreeNode.Data).IsRecycleBin else {$ENDIF} FIsRecycleBin := (Uppercase(Copy(FPath, 2, 10)) = ':\RECYCLED') or (Uppercase(Copy(FPath, 2, 10)) = ':\RECYCLER'); if not Assigned(FDesktopFolder) then shGetDesktopFolder(FDesktopFolder); {$IFNDEF PHYSICALRECYCLEBIN} if IsRecycleBin then LoadFromRecycleBin(Path) else {$ENDIF} begin FParentFolder := GetShellFolder(PathName); DosError := SysUtils.FindFirst(IncludeTrailingPathDelimiter(FPath) + '*.*', FileAttr, SRec); while (DosError = 0) and (not AbortLoading) do begin if (SRec.Attr and faDirectory) = 0 then begin FileSel := True; FSize := SizeFromSRec(SRec); if AttrIncludeMask <> 0 then FileSel := (SRec.Attr and AttrIncludeMask) >= AttrIncludeMask; if FileSel and (AttrExcludeMask <> 0) then FileSel := ((AttrExcludeMask and Srec.Attr) = 0); if FileSel and ((Mask = '') or FileNameMatchesMasks( SRec.Name, False, FSize, FileTimeToDateTime(SRec.FindData.ftLastWriteTime), Mask, True)) and (FSize >= FSelFileSizeFrom) and ((FSelFileSizeTo = 0) or (FSize <= FSelFileSizeTo)) and {$WARN SYMBOL_DEPRECATED OFF} (LongWord(SRec.Time) >= FileTimeFrom) and (LongWord(SRec.Time) <= FileTimeTo) then {$WARN SYMBOL_DEPRECATED ON} begin if FileSel then begin AddItem(SRec); end; end else begin if (AttrExcludeMask and Srec.Attr and SysUtils.faHidden) <> 0 then Inc(FHiddenCount) else Inc(FFilteredCount); end; end; DosError := FindNext(SRec); end; SysUtils.FindClose(SRec); if AddParentDir and (Length(FPath) > 2) then begin AddParentDirItem; end; {Search for directories:} {$IFDEF USE_DRIVEVIEW} DirsCount := 0; {$ENDIF} if ShowDirectories then begin DosError := SysUtils.FindFirst(IncludeTrailingPathDelimiter(FPath) + '*.*', DirAttrMask, SRec); while (DosError = 0) and (not AbortLoading) do begin FileSel := True; if AttrIncludeMask <> 0 then FileSel := ((SRec.Attr and AttrIncludeMask) = AttrIncludeMask); if FileSel and (AttrExcludeMask <> 0) then FileSel := ((AttrExcludeMask and SRec.Attr) = 0); if (SRec.Name <> '.') and (SRec.Name <> '..') and ((Srec.Attr and faDirectory) <> 0) then begin {$IFDEF USE_DRIVEVIEW} Inc(DirsCount); {$ENDIF} if FileSel and ((Mask = '') or FileNameMatchesMasks( SRec.Name, True, 0, FileTimeToDateTime(SRec.FindData.ftLastWriteTime), Mask, True)) then begin {$IFNDEF NO_THREADS} NewItem := {$ENDIF} AddItem(Srec); {$IFNDEF NO_THREADS} if ShowSubDirSize then FSubDirScanner.Add(TSubDirScanner.Create(Self, NewItem)); {$ENDIF} end else begin if (AttrExcludeMask and Srec.Attr and SysUtils.faHidden) <> 0 then Inc(FHiddenCount); end; end; DosError := FindNext(SRec); end; SysUtils.FindClose(SRec); {$IFDEF USE_DRIVEVIEW} {Update TDriveView's subdir indicator:} if Assigned(FDriveView) and (FDriveType = DRIVE_REMOTE) then with FDriveView as TDriveView do begin Node := FindNodeToPath(PathName); if Assigned(Node) and Assigned(Node.Data) and not TNodeData(Node.Data).Scanned then begin if DirsCount = 0 then begin Node.HasChildren := False; TNodeData(Node.Data).Scanned := True; end; end; end; {$ENDIF} end; {If FShowDirectories} end; {not isRecycleBin} end else FIsRecycleBin := False; finally //if Assigned(Animate) then Animate.Free; FInfoCacheList.Sort(CompareInfoCacheItems); end; {Finally} end; procedure TDirView.Reload2; type PEFileRec = ^TEFileRec; TEFileRec = record iSize: Int64; iAttr: Integer; iFileTime: TFileTime; iIndex: Integer; end; var Index: Integer; EItems: TStringList; FItems: TStringList; NewItems: TStringList; {$IFNDEF NO_THREADS} NewItem: TListItem; {$ENDIF} Srec: SysUtils.TSearchRec; DosError: Integer; PSrec: ^SysUtils.TSearchRec; Dummy: Integer; ItemIndex: Integer; AnyUpdate: Boolean; PUpdate: Boolean; PEFile: PEFileRec; SaveCursor: TCursor; FileTimeFrom: LongWord; FileTimeTo: LongWord; AttrIncludeMask: Integer; AttrExcludeMask: Integer; FileSel: Boolean; FSize: Int64; FocusedIsVisible: Boolean; R: TRect; procedure AddToMasks(Attr: TSelAttr; Mask: Word); begin case Attr of selYes: AttrIncludeMask := AttrIncludeMask or Mask; selNo: AttrExcludeMask := AttrExcludeMask or Mask; end; end; begin if (not Loading) and LoadEnabled then begin if IsRecycleBin then Reload(True) else begin if not DirExists(Path) then begin ClearItems; FDirOK := False; FDirty := False; end else begin if Assigned(ItemFocused) then begin R := ItemFocused.DisplayRect(drBounds); // btw, we use vsReport only, nothing else was tested Assert(ViewStyle = vsReport); case ViewStyle of vsReport: FocusedIsVisible := (TopItem.Index <= ItemFocused.Index) and (ItemFocused.Index < TopItem.Index + VisibleRowCount); vsList: // do not know how to implement that FocusedIsVisible := False; else // vsIcon and vsSmallIcon FocusedIsVisible := IntersectRect(R, Rect(ViewOrigin, Point(ViewOrigin.X + ClientWidth, ViewOrigin.Y + ClientHeight)), ItemFocused.DisplayRect(drBounds)); end; end else FocusedIsVisible := False; // shut up SaveCursor := Screen.Cursor; Screen.Cursor := crHourGlass; FChangeTimer.Enabled := False; FChangeTimer.Interval := 0; EItems := TStringlist.Create; FItems := TStringlist.Create; NewItems := TStringlist.Create; PUpdate := False; AnyUpdate := False; FHiddenCount := 0; FFilteredCount := 0; AttrIncludeMask := 0; AttrExcludeMask := 0; AddToMasks(FSelArchive, SysUtils.faArchive); AddToMasks(FSelHidden, SysUtils.faHidden); AddToMasks(FSelReadOnly, SysUtils.faReadOnly); AddToMasks(FSelSysFile, SysUtils.faSysFile); FileTimeFrom := LongWord(fSelFileDateFrom) shl 16 or fSelFileTimeFrom; FileTimeTo := LongWord(fSelFileDateTo) shl 16 or fSelFileTimeTo; try {Store existing files and directories:} for Index := 0 to Items.Count - 1 do begin New(PEFile); with PFileRec(Items[Index].Data)^ do begin PEFile^.iSize := Size; PEFile^.iAttr := Attr; PEFile^.iFileTime := FileTime; PEFile^.iIndex := Index; end; EItems.AddObject(PFileRec(Items[Index].Data)^.FileName, Pointer(PEFile)); end; EItems.Sort; DosError := SysUtils.FindFirst(IncludeTrailingPathDelimiter(FPath) + '*.*', FileAttr, SRec); while DosError = 0 do begin if (SRec.Attr and faDirectory) = 0 then begin FileSel := True; if (AttrIncludeMask <> 0) then FileSel := ((SRec.Attr and AttrIncludeMask) = AttrIncludeMask); if FileSel and (AttrExcludeMask <> 0) then FileSel := ((AttrExcludeMask and Srec.Attr) = 0); FSize := SizeFromSRec(SRec); FileSel := FileSel and ((Mask = '') or FileNameMatchesMasks( SRec.Name, False, FSize, FileTimeToDateTime(SRec.FindData.ftLastWriteTime), Mask, True)) and (FSize >= FSelFileSizeFrom) and ((FSelFileSizeTo = 0) or (FSize <= FSelFileSizeTo)) and {$WARN SYMBOL_DEPRECATED OFF} (LongWord(SRec.Time) >= FileTimeFrom) and (LongWord(SRec.Time) <= FileTimeTo); {$WARN SYMBOL_DEPRECATED ON} if FileSel then begin ItemIndex := -1; if not EItems.Find(SRec.Name, ItemIndex) then begin New(PSrec); PSRec^ := SRec; NewItems.AddObject(SRec.Name, Pointer(PSrec)); FItems.Add(Srec.Name); end else begin with PEFileRec(EItems.Objects[ItemIndex])^ do {$WARNINGS OFF} if (iSize <> FSize) or (iAttr <> SRec.Attr) or not CompareMem(@iFileTime, @SRec.FindData.ftLastWriteTime, SizeOf(iFileTime)) Then {$WARNINGS ON} begin with PFileRec(Items[iIndex].Data)^ do begin Dec(FFilesSize, Size); Inc(FFilesSize, FSize); if Items[iIndex].Selected then begin Dec(FFilesSelSize, Size); Inc(FFilesSelSize, FSize); end; Size := FSize; Attr := SRec.Attr; {$WARNINGS OFF} FileTime := SRec.FindData.ftLastWriteTime; {$WARNINGS ON} if (iSize <> FSize) and Assigned(OnFileSizeChanged) then OnFileSizeChanged(Self, Items[iIndex]); end; // alternative to TListItem.Update (which causes flicker) R := Items[iIndex].DisplayRect(drBounds); InvalidateRect(Handle, @R, True); AnyUpdate := True; end; FItems.Add(Srec.Name); end; end; if not FileSel then begin if ((AttrExcludeMask and Srec.Attr and SysUtils.faHidden) <> 0) then Inc(FHiddenCount) else Inc(FFilteredCount); end; end; DosError := FindNext(Srec); end; SysUtils.FindClose(Srec); {Search new directories:} if ShowDirectories then begin DosError := SysUtils.FindFirst(FPath + '\*.*', DirAttrMask, SRec); while DosError = 0 do begin if (Srec.Attr and faDirectory) <> 0 then begin FileSel := True; if AttrIncludeMask <> 0 then FileSel := ((SRec.Attr and AttrIncludeMask) = AttrIncludeMask); if FileSel and (AttrExcludeMask <> 0) then FileSel := ((AttrExcludeMask and SRec.Attr) = 0); if (SRec.Name <> '.') and (SRec.Name <> '..') then begin if not EItems.Find(SRec.Name, ItemIndex) then begin if FileSel and ((Mask = '') or FileNameMatchesMasks( SRec.Name, True, 0, FileTimeToDateTime(SRec.FindData.ftLastWriteTime), Mask, True)) then begin New(PSrec); PSrec^ := SRec; NewItems.AddObject(Srec.Name, Pointer(PSrec)); FItems.Add(SRec.Name); end else begin if (AttrExcludeMask and Srec.Attr and SysUtils.faHidden) <> 0 then Inc(FHiddenCount); end; end else begin FItems.Add(SRec.Name); end; end else begin FItems.Add(SRec.Name); end; end; DosError := FindNext(SRec); end; SysUtils.FindClose(SRec); end; {If FShowDirectories} {Check wether displayed Items still exists:} FItems.Sort; for Index := Items.Count - 1 downto 0 do begin if not FItems.Find(PFileRec(Items[Index].Data)^.FileName, Dummy) then begin if not PUpdate then begin PUpdate := True; Items.BeginUpdate; end; AnyUpdate := True; with PFileRec(Items[Index].Data)^ do begin Dec(FFilesSize, Size); if Items[Index].Selected then Dec(FFilesSelSize, Size); end; Items[Index].Delete; end; end; finally try for Index := 0 to EItems.Count - 1 do Dispose(PEFileRec(EItems.Objects[Index])); EItems.Free; FItems.Free; for Index := 0 to NewItems.Count - 1 do begin if not PUpdate then begin PUpdate := True; Items.BeginUpdate; end; AnyUpdate := True; PSrec := Pointer(NewItems.Objects[Index]); {$IFNDEF NO_THREADS} NewItem := {$ENDIF} AddItem(PSrec^); {$IFNDEF NO_THREADS} if ShowSubDirSize and ((PSrec^.Attr and faDirectory) <> 0) then FSubDirScanner.Add(TSubDirScanner.Create(Self, NewItem)); {$ENDIF} Dispose(PSrec); end; NewItems.Free; // if we are sorted by name and there were only updates to existing // items, there is no need for sorting if SortAfterUpdate and (PUpdate or (AnyUpdate and (DirColProperties.SortDirColumn <> dvName))) then begin SortItems; end; if PUpdate then Items.EndUpdate; finally FDirOK := True; FDirty := false; {$IFNDEF NO_THREADS} if FUseIconUpdateThread and (not FisRecycleBin) then StartIconUpdateThread; StartWatchThread; {$ENDIF} // make focused item visible, only if it was before if FocusedIsVisible and Assigned(ItemFocused) then ItemFocused.MakeVisible(False); if AnyUpdate and Assigned(OnDirUpdated) then OnDirUpdated(Self); UpdateStatusBar; Screen.Cursor := SaveCursor; end; end; {Finally} end; end; end; end; {Reload2} procedure TDirView.PerformItemDragDropOperation(Item: TListItem; Effect: Integer); begin if Assigned(Item) then begin if Assigned(Item.Data) then begin if ItemIsParentDirectory(Item) then PerformDragDropFileOperation(ExcludeTrailingPathDelimiter(ExtractFilePath(Path)), Effect, False) else PerformDragDropFileOperation(IncludeTrailingPathDelimiter(PathName) + ItemFileName(Item), Effect, False); end; end else PerformDragDropFileOperation(PathName, Effect, DDOwnerIsSource and (Effect = DropEffect_Copy)); end; procedure TDirView.ReLoad(CacheIcons: Boolean); begin if not FLoadEnabled then FDirty := True else inherited; end; {ReLoad} procedure TDirView.ClearIconCache; begin if Assigned(FInfoCacheList) then FInfoCacheList.Clear; end; {ClearIconCache} function TDirView.FormatFileTime(FileTime: TFileTime): string; begin Result := FormatDateTime(DateTimeFormatStr, FileTimeToDateTime(FileTime)); end; {FormatFileTime} function TDirView.GetAttrString(Attr: Integer): string; const Attrs: array[1..5] of Integer = (FILE_ATTRIBUTE_COMPRESSED, FILE_ATTRIBUTE_ARCHIVE, FILE_ATTRIBUTE_SYSTEM, FILE_ATTRIBUTE_HIDDEN, FILE_ATTRIBUTE_READONLY); AttrChars: array[1..5] of Char = ('c', 'a', 's', 'h', 'r'); var Index: Integer; LowBound: Integer; begin Result := ''; if Attr <> 0 then begin LowBound := Low(Attrs); for Index := LowBound to High(Attrs) do if (Attr and Attrs[Index] <> 0) then Result := Result + AttrChars[Index] else Result := Result + FAttrSpace; end; end; {GetAttrString} procedure TDirView.GetDisplayData(Item: TListItem; FetchIcon: Boolean); var FileInfo: TShFileInfo; Index: Integer; PExtItem: PInfoCache; CacheItem: TInfoCache; IsSpecialExt: Boolean; ForceByName: Boolean; Eaten: ULONG; shAttr: ULONG; FileIconForName, FullName: string; begin Assert(Assigned(Item) and Assigned(Item.Data)); with PFileRec(Item.Data)^ do begin IsSpecialExt := MatchesFileExt(FileExt, SpecialExtensions); if FUseIconCache and not IsSpecialExt and not IsDirectory then begin CacheItem.FileExt := FileExt; Index := FInfoCacheList.FindSequential(Addr(CacheItem), CompareInfoCacheItems); if Index >= 0 then begin TypeName := PInfoCache(FInfoCacheList[Index])^.TypeName; ImageIndex := PInfoCache(FInfoCacheList[Index])^.ImageIndex; Empty := False; IconEmpty := False; end; end; FetchIcon := IconEmpty and (FetchIcon or not IsSpecialExt); if Empty or FetchIcon then begin if FetchIcon then begin {Fetch the Item FQ-PIDL:} if not Assigned(PIDL) and IsSpecialExt then begin try FDesktopFolder.ParseDisplayName(ParentForm.Handle, nil, PChar(FPath + '\' + FileName), Eaten, PIDL, ShAttr); {Retrieve the shell display attributes for directories:} if IsDirectory and Assigned(PIDL) then begin shAttr := SFGAO_DISPLAYATTRMASK; try if Assigned(ParentFolder) and Succeeded(ParentFolder.GetAttributesOf(1, PIDL, shAttr)) then begin if (shAttr and SFGAO_SHARE) <> 0 then Item.OverlayIndex := 0; end; except end; end; except end; end; if IsDirectory then begin if FDriveType = DRIVE_FIXED then begin try {Retrieve icon and typename for the directory} if Assigned(PIDL) then begin SHGetFileInfo(PChar(PIDL), 0, FileInfo, SizeOf(FileInfo), SHGFI_TYPENAME or SHGFI_SYSICONINDEX or SHGFI_PIDL) end else begin SHGetFileInfo(PChar(FPath + '\' + FileName), 0, FileInfo, SizeOf(FileInfo), SHGFI_TYPENAME or SHGFI_SYSICONINDEX); end; if (FileInfo.iIcon <= 0) or (FileInfo.iIcon > SmallImages.Count) then begin {Invalid icon returned: retry with access file attribute flag:} SHGetFileInfo(PChar(fPath + '\' + FileName), FILE_ATTRIBUTE_DIRECTORY, FileInfo, SizeOf(FileInfo), SHGFI_TYPENAME or SHGFI_SYSICONINDEX or SHGFI_USEFILEATTRIBUTES); end; TypeName := FileInfo.szTypeName; if FetchIcon then begin ImageIndex := FileInfo.iIcon; IconEmpty := False; end; {Capture exceptions generated by the shell} except ImageIndex := StdDirIcon; IconEmpty := False; end; {Except} end else begin TypeName := StdDirTypeName; ImageIndex := StdDirIcon; IconEmpty := False; end; end else begin {Retrieve icon and typename for the file} try ForceByName := False; FullName := FPath + '\' + FileName; FileIconForName := FullName; if Assigned(OnFileIconForName) then begin OnFileIconForName(Self, Item, FileIconForName); ForceByName := (FileIconForName <> FullName); end; if (not ForceByName) and Assigned(PIDL) then begin SHGetFileInfo(PChar(PIDL), FILE_ATTRIBUTE_NORMAL, FileInfo, SizeOf(FileInfo), SHGFI_TYPENAME or SHGFI_USEFILEATTRIBUTES or SHGFI_SYSICONINDEX or SHGFI_PIDL) end else begin SHGetFileInfo(PChar(FileIconForName), FILE_ATTRIBUTE_NORMAL, FileInfo, SizeOf(FileInfo), SHGFI_TYPENAME or SHGFI_USEFILEATTRIBUTES or SHGFI_SYSICONINDEX); end; TypeName := FileInfo.szTypeName; ImageIndex := FileInfo.iIcon; IconEmpty := False; {Capture exceptions generated by the shell} except ImageIndex := UnKnownFileIcon; IconEmpty := False; end; {Except} end; if (Length(TypeName) > 0) then begin {Fill FileInfoCache:} if FUseIconCache and not IsSpecialExt and not IconEmpty and not IsDirectory then begin GetMem(PExtItem, SizeOf(TInfoCache)); PExtItem.FileExt := FileExt; PExtItem.TypeName := TypeName; PExtItem.ImageIndex := ImageIndex; FInfoCacheList.Add(PExtItem); end; end else TypeName := Format(STextFileExt, [FileExt]); end {If FetchIcon} else begin try if IsDirectory then shGetFileInfo(PChar(FPath), FILE_ATTRIBUTE_DIRECTORY, FileInfo, SizeOf(FileInfo), SHGFI_TYPENAME or SHGFI_USEFILEATTRIBUTES) else shGetFileInfo(PChar(FPath + '\' + FileName), FILE_ATTRIBUTE_NORMAL, FileInfo, SizeOf(FileInfo), SHGFI_TYPENAME or SHGFI_USEFILEATTRIBUTES); TypeName := FileInfo.szTypeName; except {Capture exceptions generated by the shell} TypeName := ''; end; if IconEmpty then begin if FileExt = ExeExtension then ImageIndex := DefaultExeIcon else ImageIndex := UnKnownFileIcon; end; end; Empty := False; end; end; end; {GetDisplayData} function TDirView.GetDirOK: Boolean; begin Result := FDirOK; end; function TDirView.ItemFullFileName(Item: TListItem): string; begin if Assigned(Item) and Assigned(Item.Data) then begin if not IsRecycleBin then begin if PFileRec(Item.Data)^.IsParentDir then begin Result := ExcludeTrailingBackslash(ExtractFilePath(FPath)); end else begin Result := FPath + '\' + PFileRec(Item.Data)^.FileName; end; end else Result := PFileRec(Item.Data)^.FileName; end else Result := EmptyStr; end; {ItemFullFileName} function TDirView.ItemFileNameOnly(Item: TListItem): string; begin Assert(Assigned(Item) and Assigned(Item.Data)); Result := PFileRec(Item.Data)^.FileName; SetLength(Result, Length(Result) - Length(ItemFileExt(Item))); end; {ItemFileNameOnly} function TDirView.ItemFileExt(Item: TListItem): string; begin Assert(Assigned(Item) and Assigned(Item.Data)); Result := ExtractFileExt(PFileRec(Item.Data)^.FileName); end; {ItemFileExt} function TDirView.DeleteSelectedFiles(AllowUndo: Boolean): Boolean; const MaxSel = 10; var ItemIndex: Integer; Item, NextItem: TListItem; FileOperator: TFileOperator; UpdateEnabled: Boolean; WatchDir: Boolean; Updating: Boolean; {$IFDEF USE_DRIVEVIEW} DirDeleted: Boolean; {$ENDIF} begin AllowUndo := AllowUndo and (not IsRecycleBin); {$IFDEF USE_DRIVEVIEW} DirDeleted := False; {$IFNDEF NO_THREADS} if Assigned(FDriveView) then TDriveView(FDriveView).StopWatchThread; {$ENDIF} {$ENDIF} WatchDir := WatchForChanges; WatchForChanges := False; UpdateEnabled := (SelCount < MaxSel); if not UpdateEnabled then Items.BeginUpdate; FileOperator := TFileOperator.Create(Self); try ItemIndex := Selected.Index; FileOperator.Operation := foDelete; FileOperator.Flags := [foNoConfirmMkDir]; FileOperator.ProgressTitle := coFileOperatorTitle; CreateFileList(False, True, FileOperator.OperandFrom); if not ConfirmDelete then FileOperator.Flags := FileOperator.Flags + [foNoConfirmation]; if AllowUndo then FileOperator.Flags := FileOperator.Flags + [foAllowUndo]; {$IFNDEF NO_THREADS} StopIconUpdateThread; StopSubDirScanner; {$ENDIF} Result := FileOperator.Execute; Result := Result and (not FileOperator.OperationAborted); Sleep(0); Updating := False; Item := GetNextItem(nil, sdAll, [isSelected]); while Assigned(Item) do begin NextItem := GetNextItem(Item, sdAll, [isSelected]); case PFileRec(Item.Data)^.IsDirectory of True: if not DirExists(ItemFullFileName(Item)) then begin {$IFDEF USE_DRIVEVIEW} DirDeleted := True; {$ENDIF} Item.Delete; end; False: if not CheckFileExists(ItemFullFileName(Item)) then begin if (SelCount > 3) and (not Updating) then begin Items.BeginUpdate; Updating := True; end; Item.Delete; end; end; Item := NextItem; end; if Updating then Items.EndUpdate; finally if not UpdateEnabled then Items.EndUpdate; FileOperator.Free; if Assigned(OnDirUpdated) then OnDirUpdated(Self); end; {$IFDEF USE_DRIVEVIEW} if Assigned(DriveView) then with TDriveView(DriveView) do begin if DirDeleted and Assigned(Selected) then ValidateDirectory(Selected); {$IFNDEF NO_THREADS} TDriveView(fDriveView).StartWatchThread; {$ENDIF} end; {$ENDIF} {$IFNDEF NO_THREADS} if UseIconUpdateThread then StartIconUpdateThread; if ShowSubDirSize then StartSubDirScanner; {$ENDIF} WatchForChanges := WatchDir; if (not Assigned(Selected)) and (Items.Count > 0) then Selected := Items[Min(ItemIndex, Pred(Items.Count))]; end; {DeleteSelectedFiles} function CompareFileName(I1, I2: TListItem; AOwner: TDirView): Integer; stdcall; var P1, P2: PFileRec; begin if I1 = I2 then Result := fEqual else if I1 = nil then Result := fLess else if I2 = nil then Result := fGreater else begin P1 := PFileRec(I1.Data); P2 := PFileRec(I2.Data); if P1.isParentDir then begin Result := fLess; Exit; end else if P2.isParentDir then begin Result := fGreater; Exit; end; {Directories allways should appear "grouped":} if P1.isDirectory <> P2.isDirectory then begin if P1.isDirectory then begin Result := fLess; Exit; end else begin Result := fGreater; Exit; end; end else Result := lstrcmpi(PChar(P1.DisplayName), PChar(P2.DisplayName)); end; if not AOwner.SortAscending then Result := -Result; end; {CompareFileName} function CompareFileSize(I1, I2: TListItem; AOwner : TDirView): Integer; stdcall; var P1, P2: PFileRec; begin if I1 = I2 then Result := fEqual else if I1 = nil then Result := fLess else if I2 = nil then Result := fGreater else begin P1 := PFileRec(I1.Data); P2 := PFileRec(I2.Data); if P1.isParentDir then begin Result := fLess; Exit; end else if P2.isParentDir then begin Result := fGreater; Exit; end; {Directories always should appear "grouped":} if P1.isDirectory <> P2.isDirectory then begin if P1.isDirectory then begin Result := fLess; Exit; end else begin Result := fGreater; Exit; end; end else begin if P1.Size < P2.Size then Result := fLess else if P1.Size > P2.Size then Result := fGreater else Result := lstrcmpi(PChar(P1.DisplayName), PChar(P2.DisplayName)); end; end; if not AOwner.SortAscending then Result := -Result; end; {CompareFileSize} function CompareFileType(I1, I2: TListItem; AOwner: TDirView): Integer; stdcall; var P1, P2: PFileRec; begin if I1 = I2 then Result := fEqual else if I1 = nil then Result := fLess else if I2 = nil then Result := fGreater else begin P1 := PFileRec(I1.Data); P2 := PFileRec(I2.Data); if P1.isParentDir then begin Result := fLess; Exit; end else if P2.isParentDir then begin Result := fGreater; Exit; end; {Directories allways should appear "grouped":} if P1.isDirectory <> P2.isDirectory then begin if P1.isDirectory then begin Result := fLess; Exit; end else begin Result := fGreater; Exit; end; end else begin if P1.Empty then TDirView(I1.ListView).GetDisplayData(I1, False); if P2.Empty then TDirView(I2.ListView).GetDisplayData(I2, False); Result := lstrcmpi(PChar(P1.TypeName + ' ' + P1.FileExt + ' ' + P1.DisplayName), PChar(P2.TypeName + ' ' + P2.FileExt + ' ' + P2.DisplayName)); if Result = 0 then Result := lstrcmpi(PChar(P1.DisplayName), PChar(P2.DisplayName)); end; end; if not AOwner.SortAscending then Result := -Result; end; {CompareFileType} function CompareFileExt(I1, I2: TListItem; AOwner: TDirView): Integer; stdcall; var P1, P2: PFileRec; begin if I1 = I2 then Result := fEqual else if I1 = nil then Result := fLess else if I2 = nil then Result := fGreater else begin P1 := PFileRec(I1.Data); P2 := PFileRec(I2.Data); if P1.isParentDir then begin Result := fLess; Exit; end else if P2.isParentDir then begin Result := fGreater; Exit; end; {Directories allways should appear "grouped":} if P1.isDirectory <> P2.isDirectory then begin if P1.isDirectory then begin Result := fLess; Exit; end else begin Result := fGreater; Exit; end; end else if P1.isDirectory then begin Result := lstrcmpi(PChar(P1.DisplayName), PChar(P2.DisplayName)); end else begin Result := lstrcmpi(PChar(P1.FileExt + ' ' + P1.DisplayName), PChar(P2.FileExt + ' ' + P2.DisplayName)); end; end; if not AOwner.SortAscending then Result := -Result; end; {CompareFileExt} function CompareFileAttr(I1, I2: TListItem; AOwner: TDirView): Integer; stdcall; var P1, P2: PFileRec; begin if I1 = I2 then Result := 0 else if I1 = nil then Result := -1 else if I2 = nil then Result := 1 else begin P1 := PFileRec(I1.Data); P2 := PFileRec(I2.Data); if P1.isParentDir then begin Result := fLess; Exit; end else if P2.isParentDir then begin Result := fGreater; Exit; end; {Directories allways should appear "grouped":} if P1.isDirectory <> P2.isDirectory then begin if P1.isDirectory then begin Result := fLess; Exit; end else begin Result := fGreater; Exit; end; end else begin if P1.Attr < P2.Attr then Result := fLess else if P1.Attr > P2.Attr then Result := fGreater else Result := lstrcmpi(PChar(P1.DisplayName), PChar(P2.DisplayName)); end; end; if not AOwner.SortAscending then Result := -Result; end; {CompareFileAttr} function CompareFileTime(I1, I2: TListItem; AOwner: TDirView): Integer; stdcall; var Time1, Time2: Int64; P1, P2: PFileRec; begin if I1 = I2 then Result := fEqual else if I1 = nil then Result := fLess else if I2 = nil then Result := fGreater else begin P1 := PFileRec(I1.Data); P2 := PFileRec(I2.Data); if P1.isParentDir then begin Result := fLess; Exit; end else if P2.isParentDir then begin Result := fGreater; Exit; end; {Directories allways should appear "grouped":} if P1.isDirectory <> P2.isDirectory then begin if P1.isDirectory then begin Result := fLess; Exit; end else begin Result := fGreater; Exit; end; end else begin Time1 := Int64(P1.FileTime.dwHighDateTime) shl 32 + P1.FileTime.dwLowDateTime; Time2 := Int64(P2.FileTime.dwHighDateTime) shl 32 + P2.FileTime.dwLowDateTime; if Time1 < Time2 then Result := fLess else if Time1 > Time2 then Result := fGreater else Result := CompareFileName(I1, I2, AOwner); end; end; if not AOwner.SortAscending then Result := -Result; end; {CompareFileTime} procedure TDirView.SortItems; var SortProc: TLVCompare; begin if HandleAllocated then begin {$IFNDEF NO_THREADS} StopIconUpdateThread; {$ENDIF} try case DirColProperties.SortDirColumn of dvName: SortProc := @CompareFilename; dvSize: SortProc := @CompareFileSize; dvType: if not SortByExtension then SortProc := @CompareFileType else SortProc := @CompareFileExt; dvChanged: SortProc := @CompareFileTime; dvAttr: SortProc := @CompareFileAttr; dvExt: SortProc := @CompareFileExt; else SortProc := @CompareFilename; end; CustomSortItems(Pointer(@SortProc)); finally {$IFNDEF NO_THREADS} if (not Loading) and FUseIconUpdateThread then StartIconUpdateThread; {$ENDIF} end; end end; procedure TDirView.ValidateFile(Item : TListItem); var Index: Integer; begin if Assigned(Item) and Assigned(Item.Data) then begin Index := Item.Index; if not FileExists(ItemFullFileName(Items[Index])) then begin Item.Delete; if Assigned(OnDirUpdated) then OnDirUpdated(Self); end; end; end; {ValidateFile} procedure TDirView.ValidateFile(FileName: TFileName); var FilePath: string; begin FilePath := ExcludeTrailingPathDelimiter(ExtractFilePath(FileName)); if IsRecycleBin then ValidateFile(FindFileItem(FileName)) else if FilePath = Path then ValidateFile(FindFileItem(ExtractFileName(FileName))); end; {ValidateFile} procedure TDirView.ValidateSelectedFiles; var FileList: TStrings; i: Integer; ToDelete: Boolean; Updating: Boolean; Deleted: Boolean; Item: TListItem; begin if SelCount > 50 then Reload2 else begin Updating := False; Deleted := False; FileList := CustomCreateFileList(True, False, True, nil, True); try for i := 0 to FileList.Count - 1 do begin Item := TListItem(FileList.Objects[i]); if ItemIsDirectory(Item) then ToDelete := not DirectoryExists(FileList[i]) else ToDelete := not FileExists(FileList[i]); if ToDelete then begin if (SelCount > 10) and (not Updating) then begin Items.BeginUpdate; Updating := True; end; Item.Delete; Deleted := True; end; end; finally if Updating then Items.EndUpdate; FileList.Free; if Deleted and Assigned(OnDirUpdated) then OnDirUpdated(Self); end; end; end; {ValidateSelectedFiles} function TDirView.CreateFile(NewName: string): TListItem; var F: file; SRec: SysUtils.TSearchRec; begin Result := nil; {Neue Datei anlegen:} NewName := Path + '\' + NewName; {Ermitteln des neuen Dateinamens:} if not FileExists(NewName) then begin {$IFNDEF NO_THREADS} if FWatchForChanges then StopWatchThread; StopIconUpdateThread; {$ENDIF} try {Create the desired file as empty file:} AssignFile(F, NewName); Rewrite(F); LastIOResult := IOResult; if LastIOResult = 0 then begin CloseFile(F); {Anlegen der Datei als TListItem:} if FindFirst(NewName, faAnyFile, SRec) = 0 then begin Result := AddItem(SRec); ItemFocused := FindFileItem(GetFileRec(Result.Index)^.FileName); if Assigned(ItemFocused) then ItemFocused.MakeVisible(False); if Assigned(OnDirUpdated) then OnDirUpdated(Self); end; FindClose(Srec); end; finally {$IFNDEF NO_THREADS} if FUseIconUpdateThread then StartIconUpdateThread; if WatchForChanges then StartWatchThread; {$ENDIF} end; end else LastIOResult := 183; end; {CreateFile} procedure TDirView.CreateDirectory(DirName: string); var SRec: SysUtils.TSearchRec; Item: TListItem; begin // keep absolute path as is if Copy(DirName, 2, 1) <> ':' then DirName := Path + '\' + DirName; {$IFNDEF NO_THREADS} if WatchForChanges then StopWatchThread; {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) then TDriveView(FDriveView).StopWatchThread; {$ENDIF} StopIconUpdateThread; {$ENDIF} try {create the phyical directory:} Win32Check(Windows.CreateDirectory(PChar(DirName), nil)); if IncludeTrailingBackslash(ExtractFilePath(ExpandFileName(DirName))) = IncludeTrailingBackslash(Path) then begin {Create the TListItem:} if FindFirst(DirName, faAnyFile, SRec) = 0 then begin Item := AddItem(SRec); ItemFocused := FindFileItem(GetFileRec(Item.Index)^.FileName); SortItems; if Assigned(ItemFocused) then begin ItemFocused.MakeVisible(False); end; if Assigned(OnDirUpdated) then OnDirUpdated(Self); end; FindClose(SRec); end; finally {$IFNDEF NO_THREADS} if FUseIconUpdateThread then StartIconUpdateThread; if WatchForChanges then StartWatchThread; {$ENDIF} {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) then with FDriveView as TDriveView do if not WatchThreadActive and Assigned(Selected) then ValidateDirectory(Selected); {$ENDIF} end; end; {CreateDirectory} procedure TDirView.DisplayContextMenu(Where: TPoint); var FileList : TStringList; Index: Integer; Item: TListItem; DefDir: string; Verb: string; PIDLArray: PPIDLArray; Count: Integer; DiffSelectedPath: Boolean; WithEdit: Boolean; PIDLRel: PItemIDList; PIDLPath: PItemIDList; Handled: Boolean; begin GetDir(0, DefDir); ChDir(PathName); Verb := EmptyStr; {$IFNDEF NO_THREADS} StopWatchThread; {$ENDIF} try if Assigned(OnContextPopup) then begin Handled := False; OnContextPopup(Self, ScreenToClient(Where), Handled); if Handled then Abort; end; if (MarkedCount > 1) and ((not Assigned(ItemFocused)) or ItemFocused.Selected) then begin if FIsRecycleBin then begin Count := 0; GetMem(PIDLArray, SizeOf(PItemIDList) * SelCount); try FillChar(PIDLArray^, Sizeof(PItemIDList) * SelCount, #0); for Index := Selected.Index to Items.Count - 1 do if Items[Index].Selected then begin PIDL_GetRelative(PFileRec(Items[Index].Data)^.PIDL, PIDLPath, PIDLRel); FreePIDL(PIDLPath); PIDLArray^[Count] := PIDLRel; Inc(Count); end; try ShellDisplayContextMenu(ParentForm.Handle, Where, iRecycleFolder, Count, PidlArray^[0], False, Verb, False); finally for Index := 0 to Count - 1 do FreePIDL(PIDLArray[Index]); end; finally FreeMem(PIDLArray, Count); end; end else begin FileList := TStringList.Create; CreateFileList(False, True, FileList); for Index := 0 to FileList.Count - 1 do FileList[Index] := ExtractFileName(FileList[Index]); ShellDisplayContextMenu(ParentForm.Handle, Where, PathName, FileList, Verb, False); FileList.Destroy; end; {------------ Cut -----------} if Verb = shcCut then begin LastClipBoardOperation := cboCut; {Clear items previous marked as cut:} Item := GetNextItem(nil, sdAll, [isCut]); while Assigned(Item) do begin Item.Cut := False; Item := GetNextItem(Item, sdAll, [isCut]); end; {Set property cut to TRUE for all selected items:} Item := GetNextItem(nil, sdAll, [isSelected]); while Assigned(Item) do begin Item.Cut := True; Item := GetNextItem(Item, sdAll, [isSelected]); end; end else {----------- Copy -----------} if Verb = shcCopy then LastClipBoardOperation := cboCopy else {----------- Paste ----------} if Verb = shcPaste then PasteFromClipBoard(ItemFullFileName(Selected)) else if not FIsRecycleBin then Reload2; end else if Assigned(ItemFocused) and Assigned(ItemFocused.Data) then begin Verb := EmptyStr; WithEdit := not FisRecycleBin and CanEdit(ItemFocused); LoadEnabled := True; if FIsRecycleBin then begin PIDL_GetRelative(PFileRec(ItemFocused.Data)^.PIDL, PIDLPath, PIDLRel); ShellDisplayContextMenu(ParentForm.Handle, Where, iRecycleFolder, 1, PIDLRel, False, Verb, False); FreePIDL(PIDLRel); FreePIDL(PIDLPath); end else begin ShellDisplayContextMenu(ParentForm.Handle, Where, ItemFullFileName(ItemFocused), WithEdit, Verb, not PFileRec(ItemFocused.Data)^.isDirectory); LoadEnabled := True; end; {not FisRecycleBin} {---------- Rename ----------} if Verb = shcRename then ItemFocused.EditCaption else {------------ Cut -----------} if Verb = shcCut then begin LastClipBoardOperation := cboCut; Item := GetNextItem(nil, sdAll, [isCut]); while Assigned(Item) do begin Item.Cut := False; Item := GetNextItem(ITem, sdAll, [isCut]); end; ItemFocused.Cut := True; end else {----------- Copy -----------} if Verb = shcCopy then LastClipBoardOperation := cboCopy else {----------- Paste ----------} if Verb = shcPaste then begin if PFileRec(ItemFocused.Data)^.IsDirectory then PasteFromClipBoard(ItemFullFileName(ItemFocused)); end else if not FIsRecycleBin then Reload2; end; ChDir(DefDir); if IsRecycleBin and (Verb <> shcCut) and (Verb <> shcProperties) and (SelCount > 0) then begin DiffSelectedPath := False; for Index := Selected.Index to Items.Count - 1 do if ExtractFilePath(PFileRec(Items[Index].Data)^.FileName) <> FPath + '\' then begin DiffSelectedPath := True; Break; end; if DiffSelectedPath then begin {$IFNDEF NO_THREADS} StartFileDeleteThread; {$ENDIF} Exit; end; end; Sleep(250); ValidateSelectedFiles; finally {$IFNDEF NO_THREADS} StartWatchThread; {$ENDIF} end; end; procedure TDirView.GetDisplayInfo(ListItem: TListItem; var DispInfo: TLVItem); begin Assert(Assigned(ListItem) and Assigned(ListItem.Data)); with PFileRec(ListItem.Data)^, DispInfo do begin {Fetch display data of current file:} if Empty then GetDisplayData(ListItem, IconEmpty and (not FUseIconUpdateThread or (ViewStyle <> vsReport))); if IconEmpty and (not FUseIconUpdateThread or (ViewStyle <> vsReport)) and ((DispInfo.Mask and LVIF_IMAGE) <> 0) then GetDisplayData(ListItem, True); {Set IconUpdatethread :} {$IFNDEF NO_THREADS} if IconEmpty and Assigned(FIconUpdateThread) then begin if Assigned(TopItem) then {Viewstyle is vsReport or vsList:} FIconUpdateThread.Index := Self.TopItem.Index else {Viewstyle is vsIcon or vsSmallIcon:} FIconUpdateThread.MaxIndex := ListItem.Index; if FIconUpdateThread.Suspended and not FIsRecycleBin then FIconUpdateThread.Resume; end; {$ENDIF} if (DispInfo.Mask and LVIF_TEXT) <> 0 then begin if iSubItem = 0 then StrPLCopy(pszText, DisplayName, cchTextMax) else if iSubItem < DirViewColumns then begin case TDirViewCol(iSubItem) of dvSize: {Size: } if not IsDirectory or (IsDirectory and ShowSubDirSize and (Size >= 0)) then StrPLCopy(pszText, FormatBytes(Size, FormatSizeBytes, FormatSizeBytes), cchTextMax); dvType: {FileType: } if SortByExtension and (not IsDirectory) then begin case FFileNameDisplay of fndNoCap, fndNice: StrPLCopy(pszText, LowerCase(FileExt), cchTextMax); else StrPLCopy(pszText, FileExt, cchTextMax); end; {Case} end else StrPLCopy(pszText, TypeName, cchTextMax); dvChanged: {Date} StrPLCopy(pszText, FormatFileTime(FileTime), cchTextMax); dvAttr: {Attrs:} if FFileNameDisplay = fndCap then StrPLCopy(pszText, UpperCase(GetAttrString(Attr)), cchTextMax) else StrPLCopy(pszText, GetAttrString(Attr), cchTextMax); dvExt: StrPLCopy(pszText, FileExt, cchTextMax); end {Case} end {SubItem} else pszText[0] := #0; end; {Set display icon of current file:} if (iSubItem = 0) and ((DispInfo.Mask and LVIF_IMAGE) <> 0) then begin iImage := PFileRec(ListItem.Data).ImageIndex; Mask := Mask or LVIF_DI_SETITEM; end; end; {With PFileRec Do} {Mask := Mask Or LVIF_DI_SETITEM; {<== causes flickering display and icons not to be updated on renaming the item} end; function TDirView.ItemColor(Item: TListItem): TColor; begin if PFileRec(Item.Data).Attr and FILE_ATTRIBUTE_COMPRESSED <> 0 then Result := FCompressedColor else if DimmHiddenFiles and not Item.Selected and (PFileRec(Item.Data).Attr and FILE_ATTRIBUTE_HIDDEN <> 0) then Result := clGrayText else Result := clDefaultItemColor; end; {$IFNDEF NO_THREADS} procedure TDirView.StartFileDeleteThread; var Files: TStringList; begin Files := TStringList.Create; try CreateFileList(False, True, Files); TFileDeleteThread.Create(Files, MaxWaitTimeOut, SignalFileDelete); finally Files.Free; end; end; procedure TDirView.StartIconUpdateThread; begin if DirOK then begin if not Assigned(FIconUpdateThread) then begin if Items.Count > 0 then FIconUpdateThread := TIconUpdateThread.Create(Self); end else begin Assert(not FIconUpdateThread.Terminated); FIconUpdateThread.Index := 0; if ViewStyle = vsReport then FIconUpdateThread.Resume; end; end; end; {StartIconUpdateThread} procedure TDirView.StartSubDirScanner; var Index: Integer; begin if not (csDesigning in ComponentState) and DirOk and ShowDirectories and ShowSubDirSize then for Index := 0 to Items.Count - 1 do with PFileRec(Items[Index].Data)^ do if IsDirectory and not isParentDir then FSubDirScanner.Add(TSubDirScanner.Create(Self, Items[Index])); end; {StartSubDirScanner} procedure TDirView.StopSubDirScanner; var Index: Integer; begin for Index := 0 To FSubDirScanner.Count - 1 do if Assigned(FSubDirScanner[Index]) then with TSubDirScanner(FSubDirScanner[Index]) do begin Priority := tpHigher; Resume; Terminate; end; // Not really sure why this is here, but definitelly, when recreating // the dir view, it may cause recursion calls back to destroyed dir view, // causing AVs. // May not be necessary anymore after the recursion check in // TDirView.CMRecreateWnd if not (csRecreating in ControlState) then Application.ProcessMessages; end; {StopSubDirScanner} procedure TDirView.StopIconUpdateThread; var Counter: Integer; begin if Assigned(FIconUpdateThread) then begin Counter := 0; FIconUpdateThread.Terminate; FIconUpdateThread.Priority := tpHigher; if fIconUpdateThread.Suspended then FIconUpdateThread.Resume; Sleep(0); try {Wait until the thread has teminated to prevent AVs:} while not FIUThreadFinished do begin Sleep(10); // See comment in StopSubDirScanner if not (csRecreating in ControlState) then Application.ProcessMessages; Inc(Counter); {Raise an exception after 2 second, if the thread has not terminated:} if Counter = 200 then begin {MP}raise EIUThread.Create(SIconUpdateThreadTerminationError); Break; end; end; finally FIconUpdateThread.Destroy; FIconUpdateThread := nil; end; end; end; {StopIconUpdateThread} procedure TDirView.StopWatchThread; begin if Assigned(FDiscMonitor) then begin FDiscMonitor.Enabled := False; end; end; {StopWatchThread} procedure TDirView.StartWatchThread; begin if (Length(Path) > 0) and WatchForChanges and DirOK and (Pos(Path[1], NoCheckDrives) = 0) then begin if not Assigned(FDiscMonitor) then begin FDiscMonitor := TDiscMonitor.Create(Self); with FDiscMonitor do begin ChangeDelay := msThreadChangeDelay; SubTree := False; Filters := [moDirName, moFileName, moSize, moAttributes, moLastWrite]; SetDirectory(PathName); OnChange := ChangeDetected; OnInvalid := ChangeInvalid; Open; end; end else begin FDiscMonitor.SetDirectory(PathName); FDiscMonitor.Enabled := True; end; end; end; {StartWatchThread} {$ENDIF} procedure TDirView.TimerOnTimer(Sender: TObject); begin if not Loading then begin // fix by MP: disable timer and reload directory before call to event FChangeTimer.Enabled := False; FChangeTimer.Interval := 0; Reload2; if Assigned(FOnChangeDetected) then FOnChangeDetected(Self); end end; {TimerOnTimer} procedure TDirView.ChangeDetected(Sender: TObject; const Directory: string; var SubdirsChanged: Boolean); begin // avoid prolonging the actual update with each change, as if continous change // is occuring in current directory, the panel will never be updated if not FChangeTimer.Enabled then begin FDirty := True; FChangeTimer.Interval := FChangeInterval; FChangeTimer.Enabled := True; end; end; {ChangeDetected} procedure TDirView.ChangeInvalid(Sender: TObject; const Directory: string; const ErrorStr: string); begin FDiscMonitor.Close; if Assigned(FOnChangeInvalid) then FOnChangeInvalid(Self); end; {ChangeInvalid} {$IFNDEF NO_THREADS} function TDirView.WatchThreadActive: Boolean; begin Result := WatchForChanges and Assigned(FDiscMonitor) and FDiscMonitor.Active; end; {WatchThreadActive} {$ENDIF} procedure TDirView.SetChangeInterval(Value: Cardinal); begin if Value > 0 then begin FChangeInterval := Value; FChangeTimer.Interval := Value; end; end; {SetChangeInterval} procedure TDirView.SetFileNameDisplay(Value: TFileNameDisplay); begin if Value <> FileNameDisplay then begin FFileNameDisplay := Value; if DirOK then Reload(True); end; end; {SetFileNameDisplay} procedure TDirView.SetDirColProperties(Value: TDirViewColProperties); begin if Value <> ColProperties then ColProperties := Value; end; function TDirView.GetDirColProperties: TDirViewColProperties; begin Result := TDirViewColProperties(ColProperties); end; procedure TDirView.SetShowSubDirSize(Value: Boolean); begin if Value <> ShowSubDirSize then begin inherited; if Value then begin {$IFNDEF NO_THREADS} if ShowDirectories then StartSubDirScanner; {$ENDIF} end else begin {$IFNDEF NO_THREADS} StopSubDirScanner; {$ENDIF} Invalidate; end; end; end; {SetShowSubDirSize} procedure TDirView.SetWatchForChanges(Value: Boolean); begin if WatchForChanges <> Value then begin FWatchForChanges := Value; if not (csDesigning in ComponentState) then begin {$IFNDEF NO_THREADS} if Value then StartWatchThread else StopWatchThread; {$ENDIF} end; end; end; {SetWatchForChanges} procedure TDirView.DisplayPropertiesMenu; var FileList: TStringList; Index: Integer; PIDLRel: PItemIDList; PIDLPath: PItemIDList; begin if not Assigned(ItemFocused) then ShellExecuteContextCommand(ParentForm.Handle, shcProperties, PathName) else if (not IsRecycleBin) and (MarkedCount > 1) and ItemFocused.Selected then begin FileList := TStringList.Create; try CreateFileList(False, True, FileList); for Index := 0 to Pred(FileList.Count) do FileList[Index] := ExtractFileName(FileList[Index]); ShellExecuteContextCommand(ParentForm.Handle, shcProperties, PathName, FileList); finally FileList.Free; end; end else if Assigned(ItemFocused.Data) then begin if IsRecycleBin then begin if Assigned(PFileRec(ItemFocused.Data)^.PIDL) then begin PIDL_GetRelative(PFileRec(ItemFocused.Data)^.PIDL, PIDLPath, PIDLRel); ShellExecuteContextCommand(ParentForm.Handle, shcProperties, iRecycleFolder, 1, PIDLRel); FreePIDL(PIDLRel); FreePIDL(PIDLPath); end; end else ShellExecuteContextCommand(ParentForm.Handle, shcProperties, ItemFullFileName(ItemFocused)); end; end; procedure TDirView.ExecuteFile(Item: TListItem); var DefDir: string; FileName: string; {$IFDEF USE_DRIVEVIEW} Node: TTreeNode; {$ENDIF} begin if (UpperCase(PFileRec(Item.Data)^.FileExt) = 'LNK') or PFileRec(Item.Data)^.IsDirectory then begin if PFileRec(Item.Data)^.IsDirectory then begin FileName := ItemFullFileName(Item); if not DirExists(FileName) then begin Reload2; {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) and Assigned(TDriveView(FDriveView).Selected) then with FDriveView as TDriveView do ValidateDirectory(Selected); {$ENDIF} Exit; end; end else FileName := ResolveFileShortCut(ItemFullFileName(Item), True); if DirExists(FileName) then begin {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) then with (FDriveView as TDriveView) do begin Node := FindNodeToPath(FileName); if not Assigned(Node) then begin ValidateDirectory(GetDriveStatus(FileName[1]).RootNode); Node := FindNodeToPath(FileName); end; if Assigned(Node) then begin Directory := FileName; CenterNode(Selected); end; Exit; end else {$ENDIF} begin Path := FileName; Exit; end; end else if not FileExists(FileName) then begin Exit; end; end; GetDir(0, DefDir); ChDir(PathName); try ShellExecuteContextCommand(ParentForm.Handle, shcDefault, ItemFullFileName(Item)); finally ChDir(DefDir); end; end; procedure TDirView.ExecuteDrive(Drive: TDriveLetter); var APath: string; begin if FLastPath[Drive] <> '' then begin APath := FLastPath[Drive]; if not DirectoryExists(APath) then APath := Format('%s:', [Drive]); end else begin GetDir(Integer(Drive) - Integer('A') + 1, APath); APath := ExcludeTrailingPathDelimiter(APath); end; if Path <> APath then Path := APath; end; procedure TDirView.ExecuteHomeDirectory; begin Path := HomeDirectory; end; procedure TDirView.ExecuteParentDirectory; begin if Valid then begin {$IFDEF USE_DRIVEVIEW} if Assigned(DriveView) and Assigned(TDriveView(DriveView).Selected) then begin TDriveView(DriveView).Selected := TDriveView(DriveView).Selected.Parent end else {$ENDIF} begin Path := ExtractFilePath(Path); end; end; end; procedure TDirView.ExecuteRootDirectory; begin if Valid then try PathChanging(False); FPath := ExtractFileDrive(Path); Load; finally PathChanged; end; end; procedure TDirView.Delete(Item: TListItem); begin if Assigned(Item) and Assigned(Item.Data) and not (csRecreating in ControlState) then with PFileRec(Item.Data)^ do begin SetLength(FileName, 0); SetLength(TypeName, 0); SetLength(DisplayName, 0); if Assigned(PIDL) then FreePIDL(PIDL); Dispose(PFileRec(Item.Data)); Item.Data := nil; end; inherited Delete(Item); end; {Delete} procedure TDirView.InternalEdit(const HItem: TLVItem); var Item: TListItem; Info: string; NewCaption: string; {$IFDEF USE_DRIVEVIEW} IsDirectory: Boolean; {$ENDIF} begin Item := GetItemFromHItem(HItem); {$IFDEF USE_DRIVEVIEW} IsDirectory := DirExists(ItemFullFileName(Item)); {$ENDIF} NewCaption := HItem.pszText; {$IFNDEF NO_THREADS} StopWatchThread; {$IFDEF USE_DRIVEVIEW} if IsDirectory and Assigned(FDriveView) then TDriveView(FDriveView).StopWatchThread; {$ENDIF} {$ENDIF} with FFileOperator do begin Flags := [foAllowUndo, foNoConfirmation]; Operation := foRename; OperandFrom.Clear; OperandTo.Clear; OperandFrom.Add(ItemFullFileName(Item)); OperandTo.Add(fPath + '\' + HItem.pszText); end; try if FFileOperator.Execute then begin {$IFDEF USE_DRIVEVIEW} if IsDirectory and Assigned(FDriveView) then with (FDriveView as TDriveView) do if Assigned(Selected) then ValidateDirectory(Selected); {$ENDIF} with GetFileRec(Item.Index)^ do begin Empty := True; IconEmpty := True; FileName := NewCaption; DisplayName := FileName; FileExt := UpperCase(ExtractFileExt(HItem.pszText)); FileExt := Copy(FileExt, 2, Length(FileExt) - 1); TypeName := EmptyStr; if Assigned(PIDL) then FreePIDL(PIDL); end; GetDisplayData(Item, True); ResetItemImage(Item.Index); UpdateItems(Item.Index, Item.Index); if Assigned(OnEdited) then OnEdited(Self, Item, NewCaption); if Item <> nil then Item.Caption := NewCaption; SortItems; if Assigned(ItemFocused) then ItemFocused.MakeVisible(False); end else begin Item.Caption := GetFileRec(Item.Index)^.FileName; Item.Update; if FileOrDirExists(IncludeTrailingPathDelimiter(FPath) + HItem.pszText) then Info := SErrorRenameFileExists + HItem.pszText else Info := SErrorRenameFile + HItem.pszText; MessageBeep(MB_ICONHAND); if MessageDlg(FormatLastOSError(Info), mtError, [mbOK, mbAbort], 0) = mrOK then RetryRename(HItem.pszText); end; finally Sleep(0); LoadEnabled := True; {$IFNDEF NO_THREADS} if FWatchForChanges and (not WatchThreadActive) then StartWatchThread; {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) then TDriveView(FDriveView).StartWatchThread; {$ENDIF} {$ENDIF} end; end; function TDirView.ItemFileName(Item: TListItem): string; begin if Assigned(Item) and Assigned(Item.Data) then Result := ExtractFileName(PFileRec(Item.Data)^.FileName) else Result := ''; end; function TDirView.ItemFileSize(Item: TListItem): Int64; begin Result := 0; if Assigned(Item) and Assigned(Item.Data) then with PFileRec(Item.Data)^ do if Size >= 0 then Result := Size; end; function TDirView.ItemFileTime(Item: TListItem; var Precision: TDateTimePrecision): TDateTime; begin Result := FileTimeToDateTime(PFileRec(Item.Data)^.FileTime); Precision := tpMillisecond; end; function TDirView.ItemImageIndex(Item: TListItem; Cache: Boolean): Integer; begin if Assigned(Item) and Assigned(Item.Data) then begin if PFileRec(Item.Data)^.IconEmpty then begin if Cache then Result := -1 else Result := UnknownFileIcon; end else begin if (not Cache) or MatchesFileExt(PFileRec(Item.Data)^.FileExt, SpecialExtensions) then Result := PFileRec(Item.Data)^.ImageIndex else Result := -1 end; end else Result := -1; end; {$IFDEF USE_DRIVEVIEW} procedure TDirView.Notification(AComponent: TComponent; Operation: TOperation); begin inherited Notification(AComponent, Operation); if (Operation = opRemove) and (AComponent = FDriveView) then FDriveView := nil; end; {Notification} {$ENDIF} procedure TDirView.ReloadDirectory; begin Reload(True); end; procedure TDirView.ResetItemImage(Index: Integer); var LVI: TLVItem; begin with PFileRec(Items[Index].Data)^, LVI do begin {Update imageindex:} Mask := LVIF_STATE or LVIF_DI_SETITEM or LVIF_IMAGE; iItem := Index; iSubItem := 0; if ListView_GetItem(Handle, LVI) then begin iImage := I_IMAGECALLBACK; Mask := Mask and (not LVIF_DI_SETITEM); ListView_SetItem(Handle, LVI); end; end; {With} end; {ResetItemImage} procedure TDirView.SetAttrSpace(Value: string); begin if Value <> FAttrSpace then begin FAttrSpace := Value; Invalidate; end; end; {SetAttrSpace} procedure TDirView.SetNoCheckDrives(Value: string); begin FNoCheckDrives := UpperCase(Value); end; {SetNoCheckDrives} { Drag&Drop handling } {$IFNDEF NO_THREADS} procedure TDirView.SignalFileDelete(Sender: TObject; Files: TStringList); {Called by TFileDeleteThread, when a file was deleted by the Drag&Drop target window:} var Index: Integer; begin if Files.Count > 0 then for Index := 0 to Files.Count - 1 do ValidateFile(Files[Index]); end; {$ENDIF} procedure TDirView.DDMenuDone(Sender: TObject; AMenu: HMenu); begin {$IFNDEF NO_THREADS} if not WatchThreadActive then {$ENDIF} begin FChangeTimer.Interval := Min(FChangeInterval * 2, 3000); FChangeTimer.Enabled := True; end; inherited; end; procedure TDirView.DDDropHandlerSucceeded(Sender: TObject; grfKeyState: Longint; Point: TPoint; dwEffect: Longint); begin {$IFNDEF NO_THREADS} if not WatchThreadActive then {$ENDIF} begin FChangeTimer.Interval := FChangeInterval; FChangeTimer.Enabled := True; end; inherited; end; procedure TDirView.AddToDragFileList(FileList: TFileList; Item: TListItem); begin Assert(Assigned(Item)); if IsRecycleBin then begin if Assigned(Item.Data) then begin if UpperCase(ExtractFileExt(PFileRec(Item.Data)^.DisplayName)) = ('.' + PFileRec(Item.Data)^.FileExt) then FileList.AddItemEx(PFileRec(Item.Data)^.PIDL, ItemFullFileName(Item), PFileRec(Item.Data)^.DisplayName) else FileList.AddItemEx(PFileRec(Item.Data)^.PIDL, ItemFullFileName(Item), PFileRec(Item.Data)^.DisplayName + ExtractFileExt(PFileRec(Item.Data)^.FileName)); end; end else inherited; end; procedure TDirView.DDDragDetect(grfKeyState: Longint; DetectStart, Point: TPoint; DragStatus: TDragDetectStatus); {$IFNDEF NO_THREADS} var WasWatchThreadActive: Boolean; {$ENDIF} begin if (DragStatus = ddsDrag) and (MarkedCount > 0) then begin {$IFNDEF NO_THREADS} WasWatchThreadActive := WatchThreadActive; {$ENDIF} inherited; {$IFNDEF NO_THREADS} if (LastDDResult = drMove) and (not WasWatchThreadActive) then StartFileDeleteThread; {$ENDIF} end; end; {DDDragDetect} procedure TDirView.DDChooseEffect(grfKeyState: Integer; var dwEffect: Integer); begin if (not SelfDropDuplicates) and DragDropFilesEx.OwnerIsSource and (dwEffect = DropEffect_Copy) and (not Assigned(DropTarget)) then dwEffect := DropEffect_None else if (grfKeyState and (MK_CONTROL or MK_SHIFT) = 0) then begin if ExeDrag and (Path[1] >= FirstFixedDrive) and (DragDrive >= FirstFixedDrive) then dwEffect := DropEffect_Link else if DragOnDriveIsMove and (not DDOwnerIsSource or Assigned(DropTarget)) and (((DragDrive = Upcase(Path[1])) and (dwEffect = DropEffect_Copy) and (DragDropFilesEx.AvailableDropEffects and DropEffect_Move <> 0)) or IsRecycleBin) then dwEffect := DropEffect_Move; end; inherited; end; procedure TDirView.PerformDragDropFileOperation(TargetPath: string; dwEffect: Integer; RenameOnCollision: Boolean); var Index: Integer; SourcePath: string; SourceFile: string; OldCursor: TCursor; OldWatchForChanges: Boolean; DoFileOperation: Boolean; IsRecycleBin: Boolean; {$IFDEF USE_DRIVEVIEW} SourceIsDirectory: Boolean; Node: TTreeNode; {$ENDIF} begin if DragDropFilesEx.FileList.Count > 0 then begin if not DirExists(TargetPath) then begin Reload(True); DDError(DDPathNotFoundError); end else begin IsRecycleBin := Self.IsRecycleBin or ((DropTarget <> nil) and ItemIsRecycleBin(DropTarget)); if not (DragDropFilesEx.FileNamesAreMapped and IsRecycleBin) then begin OldCursor := Screen.Cursor; OldWatchForChanges := WatchForChanges; {$IFDEF USE_DRIVEVIEW} SourceIsDirectory := True; {$ENDIF} SourcePath := EmptyStr; try Screen.Cursor := crHourGlass; WatchForChanges := False; if (dwEffect in [DropEffect_Copy, DropEffect_Move]) then begin {$IFNDEF NO_THREADS} StopWatchThread; {$IFDEF USE_DRIVEVIEW} if Assigned(DriveView) then TDriveView(DriveView).StopWatchThread; {$ENDIF} if (DropSourceControl <> Self) and (DropSourceControl is TDirView) then TDirView(DropSourceControl).StopWatchThread; {$ENDIF} SourcePath := ''; {Set the source filenames:} for Index := 0 to DragDropFilesEx.FileList.Count - 1 do begin FFileOperator.OperandFrom.Add( TFDDListItem(DragDropFilesEx.FileList[Index]^).Name); if DragDropFilesEx.FileNamesAreMapped then FFileOperator.OperandTo.Add(IncludeTrailingPathDelimiter(TargetPath) + TFDDListItem(DragDropFilesEx.FileList[Index]^).MappedName); if SourcePath = '' then begin if DirExists(TFDDListItem(DragDropFilesEx.FileList[Index]^).Name) then begin SourcePath := TFDDListItem(DragDropFilesEx.FileList[Index]^).Name; {$IFDEF USE_DRIVEVIEW} SourceIsDirectory := True; {$ENDIF} end else begin SourcePath := ExtractFilePath(TFDDListItem(DragDropFilesEx.FileList[Index]^).Name); {$IFDEF USE_DRIVEVIEW} SourceIsDirectory := False; {$ENDIF} end; end; end; FFileOperator.Flags := [foAllowUndo, foNoConfirmMkDir]; if RenameOnCollision then begin FFileOperator.Flags := FFileOperator.Flags + [foRenameOnCollision]; FFileOperator.WantMappingHandle := True; end else FFileOperator.WantMappingHandle := False; {Set the target directory or the target filenames:} if DragDropFilesEx.FileNamesAreMapped and (not IsRecycleBin) then begin FFileOperator.Flags := FFileOperator.Flags + [foMultiDestFiles]; end else begin FFileOperator.Flags := FFileOperator.Flags - [foMultiDestFiles]; FFileOperator.OperandTo.Clear; FFileOperator.OperandTo.Add(TargetPath); end; {if the target directory is the recycle bin, then delete the selected files:} if IsRecycleBin then begin FFileOperator.Operation := foDelete; end else begin case dwEffect of DropEffect_Copy: FFileOperator.Operation := foCopy; DropEffect_Move: FFileOperator.Operation := foMove; end; end; if IsRecycleBin then begin if not ConfirmDelete then FFileOperator.Flags := FFileOperator.Flags + [foNoConfirmation]; end else begin if not ConfirmOverwrite then FFileOperator.Flags := FFileOperator.Flags + [foNoConfirmation]; end; DoFileOperation := True; if Assigned(OnDDFileOperation) then begin OnDDFileOperation(Self, dwEffect, SourcePath, TargetPath, DoFileOperation); end; if DoFileOperation and (FFileOperator.OperandFrom.Count > 0) then begin FFileOperator.Execute; ReLoad2; if DragDropFilesEx.FileNamesAreMapped then FFileOperator.ClearUndo; if Assigned(OnDDFileOperationExecuted) then OnDDFileOperationExecuted(Self, dwEffect, SourcePath, TargetPath); end; end else if dwEffect = DropEffect_Link then (* Create Link requested: *) begin {$IFNDEF NO_THREADS} StopWatchThread; {$ENDIF} for Index := 0 to DragDropFilesEx.FileList.Count - 1 do begin SourceFile := TFDDListItem(DragDropFilesEx.FileList[Index]^).Name; if Length(SourceFile) = 3 then {Create a link to a drive:} SourcePath := Copy(DriveInfo[SourceFile[1]].PrettyName, 4, 255) + '(' + SourceFile[1] + ')' else {Create a link to a file or directory:} SourcePath := ExtractFileName(SourceFile); if not CreateFileShortCut(SourceFile, IncludeTrailingPathDelimiter(TargetPath) + ChangeFileExt(SourcePath,'.lnk'), ExtractFileNameOnly(SourceFile)) then DDError(DDCreateShortCutError); end; ReLoad2; end; if Assigned(DropSourceControl) and (DropSourceControl is TDirView) and (DropSourceControl <> Self) and (dwEffect = DropEffect_Move) then TDirView(DropSourceControl).ValidateSelectedFiles; {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) and SourceIsDirectory then with TDriveView(FDriveView) do begin try ValidateDirectory(FindNodeToPath(TargetPath)); except end; if (dwEffect = DropEffect_Move) or IsRecycleBin then try Node := FindNodeToPath(SourcePath); if Assigned(Node) and Assigned(Node.Parent) then Node := Node.Parent; ValidateDirectory(Node); except end; end; {$ENDIF} finally FFileOperator.OperandFrom.Clear; FFileOperator.OperandTo.Clear; {$IFDEF USE_DRIVEVIEW} {$IFNDEF NO_THREADS} if Assigned(FDriveView) then TDriveView(FDriveView).StartWatchThread; {$ENDIF} {$ENDIF} Sleep(0); WatchForChanges := OldWatchForChanges; {$IFNDEF NO_THREADS} if (DropSourceControl <> Self) and (DropSourceControl is TDirView) then TDirView(DropSourceControl).StartWatchThread; {$ENDIF} Screen.Cursor := OldCursor; end; end; end; end; end; {PerformDragDropFileOperation} procedure TDirView.DDError(ErrorNo: TDDError); begin if Assigned(OnDDError) then OnDDError(Self, ErrorNo) else raise EDragDrop.Create(Format(SDragDropError, [Ord(ErrorNo)])); end; {DDError} function TDirView.GetCanUndoCopyMove: Boolean; begin Result := Assigned(FFileOperator) and FFileOperator.CanUndo; end; {CanUndoCopyMove} function TDirView.UndoCopyMove : Boolean; var LastTarget: string; LastSource: string; begin Result := False; if FFileOperator.CanUndo then begin Lasttarget := FFileOperator.LastOperandTo[0]; LastSource := FFileOperator.LastOperandFrom[0]; {$IFNDEF NO_THREADS} {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) then TDriveView(FDriveView).StopAllWatchThreads; {$ENDIF} {$ENDIF} Result := FFileOperator.UndoExecute; {$IFNDEF NO_THREADS} if not WatchthreadActive then {$ENDIF} Reload2; {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) then with TDriveView(FDriveView) do begin ValidateDirectory(FindNodeToPath(ExtractFilePath(LastTarget))); ValidateDirectory(FindNodeToPath(ExtractFilePath(LastSource))); {$IFNDEF NO_THREADS} StartAllWatchThreads; {$ENDIF} end; {$ENDIF} end; end; {UndoCopyMove} procedure TDirView.EmptyClipboard; var Item: TListItem; begin if Windows.OpenClipBoard(0) then begin Windows.EmptyClipBoard; Windows.CloseClipBoard; if LastClipBoardOperation <> cboNone then begin Item := GetNextItem(nil, sdAll, [isCut]); while Assigned(Item) do begin Item.Cut := False; Item := GetNextItem(Item, sdAll, [isCut]); end; end; LastClipBoardOperation := cboNone; {$IFDEF USE_DRIVEVIEW} if Assigned(FDriveView) then TDriveView(FDriveView).LastPathCut := ''; {$ENDIF} end; end; {EmptyClipBoard} function TDirView.CopyToClipBoard : Boolean; var Item: TListItem; SaveCursor: TCursor; begin SaveCursor := Screen.Cursor; Screen.Cursor := crHourGlass; try Result := False; EmptyClipBoard; DragDropFilesEx.FileList.Clear; if SelCount > 0 then begin Item := GetNextItem(nil, sdAll, [isSelected]); while Assigned(Item) do begin DragDropFilesEx.FileList.AddItem(nil, ItemFullFileName(Item)); Item := GetNextItem(Item, sdAll, [isSelected]); end; Result := DragDropFilesEx.CopyToClipBoard; LastClipBoardOperation := cboCopy; end; finally Screen.Cursor := SaveCursor; end; end; {CopyToClipBoard} function TDirView.CutToClipBoard : Boolean; var Item: TListItem; begin Result := False; EmptyClipBoard; DragDropFilesEx.FileList.Clear; if SelCount > 0 then begin Item := GetNextItem(nil, sdAll, [isSelected]); while Assigned(Item) do begin DragDropFilesEx.FileList.AddItem(nil, ItemFullFileName(Item)); Item.Cut := True; Item := GetNextItem(Item, sdAll, [isSelected]); end; Result := DragDropFilesEx.CopyToClipBoard; LastClipBoardOperation := cboCut; end; end; {CutToClipBoard} function TDirView.PasteFromClipBoard(TargetPath: string): Boolean; begin DragDropFilesEx.FileList.Clear; Result := False; if CanPasteFromClipBoard and {MP}{$IFDEF OLD_DND} DragDropFilesEx.GetFromClipBoard {$ELSE} DragDropFilesEx.PasteFromClipboard {$ENDIF}{/MP} then begin if TargetPath = '' then TargetPath := PathName; case LastClipBoardOperation of cboNone: begin PerformDragDropFileOperation(TargetPath, DropEffect_Copy, False); if Assigned(OnDDExecuted) then OnDDExecuted(Self, DropEffect_Copy); end; cboCopy: begin PerformDragDropFileOperation(TargetPath, DropEffect_Copy, ExcludeTrailingPathDelimiter(ExtractFilePath(TFDDListItem(DragDropFilesEx.FileList[0]^).Name)) = Path); if Assigned(OnDDExecuted) then OnDDExecuted(Self, DropEffect_Copy); end; cboCut: begin PerformDragDropFileOperation(TargetPath, DropEffect_Move, False); if Assigned(OnDDExecuted) then OnDDExecuted(Self, DropEffect_Move); EmptyClipBoard; end; end; Result := True; end; end; {PasteFromClipBoard} function TDirView.DragCompleteFileList: Boolean; begin Result := inherited DragCompleteFileList and (FDriveType <> DRIVE_REMOVABLE); end; function TDirView.DuplicateSelectedFiles: Boolean; begin Result := False; if SelCount > 0 then begin Result := CopyToClipBoard; if Result then try SelectNewFiles := True; Selected := nil; Result := PasteFromClipBoard(); finally SelectNewFiles := False; if Assigned(Selected) then begin ItemFocused := Selected; Selected.MakeVisible(False); if SelCount = 1 then Selected.EditCaption; end; end; end; EmptyClipBoard; end; {DuplicateFiles} procedure TDirView.FetchAllDisplayData; var Index: Integer; begin for Index := 0 to Items.Count - 1 do if Assigned(Items[Index]) and Assigned(Items[Index].Data) then if PFileRec(Items[Index].Data)^.Empty then GetDisplayData(Items[Index], False); end; {FetchAllDisplayData} function TDirView.NewColProperties: TCustomListViewColProperties; begin Result := TDirViewColProperties.Create(Self); end; function TDirView.SortAscendingByDefault(Index: Integer): Boolean; begin Result := not (TDirViewCol(Index) in [dvSize, dvChanged]); end; procedure TDirView.SetItemImageIndex(Item: TListItem; Index: Integer); begin Assert(Assigned(Item)); if Assigned(Item.Data) then with PFileRec(Item.Data)^ do begin ImageIndex := Index; IconEmpty := (ImageIndex < 0); end; end; {=================================================================} initialization LastClipBoardOperation := cboNone; LastIOResult := 0; DaylightHack := (not IsWin7) or IsExactly2008R2; end.