| 7 |
|
TMetaManager = class |
| 8 |
|
protected |
| 9 |
|
FFiles: array of TFile; |
| 10 |
< |
FRoot: array of TExtension; |
| 10 |
> |
FRoot: TExtensions; |
| 11 |
|
FConnectionID: Integer; |
| 12 |
+ |
FDataAccess: TObject; |
| 13 |
|
function GetFileCount: Integer; |
| 14 |
|
function GetFileById(Id: Integer): TFile; |
| 15 |
+ |
function GetExt(Ext: String): TExtension; |
| 16 |
+ |
procedure AddExt(Ext: String); |
| 17 |
|
private |
| 18 |
< |
procedure InitRootFiles; |
| 18 |
> |
procedure InitExts; |
| 19 |
|
public |
| 20 |
< |
constructor Create(ConnectionID: Integer); |
| 20 |
> |
constructor Create(ConnectionID: Integer; DataAccess: TObject); |
| 21 |
> |
procedure InitExtFiles(Ext: String); |
| 22 |
|
procedure InitFile(id: Integer); |
| 23 |
|
procedure InitFileFields(id: Integer); |
| 24 |
|
|
| 25 |
+ |
property Root: TExtensions read FRoot; |
| 26 |
+ |
property RootExt[Ext: String]: TExtension read GetExt; |
| 27 |
|
property FileCount: Integer read GetFileCount; |
| 28 |
|
property FileById[Id: Integer]: TFile read GetFileById; |
| 29 |
|
end; |
| 30 |
|
|
| 25 |
– |
var |
| 26 |
– |
Meta: TMetaManager; |
| 27 |
– |
|
| 31 |
|
implementation |
| 32 |
|
|
| 33 |
|
uses |
| 34 |
|
Classes, ConnectionManager, Access_OniArchive, TypeDefs, |
| 35 |
< |
Dialogs, SysUtils, StrUtils; |
| 35 |
> |
Dialogs, SysUtils, StrUtils, DataAccess; |
| 36 |
|
|
| 37 |
|
{ TFileManager } |
| 38 |
|
|
| 39 |
< |
constructor TMetaManager.Create(ConnectionID: Integer); |
| 39 |
> |
constructor TMetaManager.Create(ConnectionID: Integer; DataAccess: TObject); |
| 40 |
|
begin |
| 41 |
|
FConnectionID := ConnectionID; |
| 42 |
< |
InitRootFiles; |
| 42 |
> |
FDataAccess := DataAccess; |
| 43 |
> |
SetLength(FFiles, TDataAccess(DataAccess).GetFileCount); |
| 44 |
> |
InitExts; |
| 45 |
> |
end; |
| 46 |
> |
|
| 47 |
> |
function TMetaManager.GetExt(Ext: String): TExtension; |
| 48 |
> |
var |
| 49 |
> |
i: Integer; |
| 50 |
> |
begin |
| 51 |
> |
Result := nil; |
| 52 |
> |
if Length(FRoot) > 0 then |
| 53 |
> |
for i := 0 to High(FRoot) do |
| 54 |
> |
if FRoot[i].Ext = Ext then |
| 55 |
> |
begin |
| 56 |
> |
Result := FRoot[i]; |
| 57 |
> |
Break; |
| 58 |
> |
end; |
| 59 |
> |
end; |
| 60 |
> |
|
| 61 |
> |
procedure TMetaManager.AddExt(Ext: String); |
| 62 |
> |
var |
| 63 |
> |
i: Integer; |
| 64 |
> |
begin |
| 65 |
> |
SetLength(FRoot, Length(FRoot) + 1); |
| 66 |
> |
for i := High(FRoot) downto 1 do |
| 67 |
> |
begin |
| 68 |
> |
if FRoot[i-1].Ext < Ext then |
| 69 |
> |
begin |
| 70 |
> |
FRoot[i] := TExtension.Create(FConnectionID, Ext); |
| 71 |
> |
Break; |
| 72 |
> |
end |
| 73 |
> |
else |
| 74 |
> |
FRoot[i] := FRoot[i-1]; |
| 75 |
> |
end; |
| 76 |
> |
if i = 0 then |
| 77 |
> |
FRoot[0] := TExtension.Create(FConnectionID, Ext); |
| 78 |
|
end; |
| 79 |
|
|
| 80 |
|
function TMetaManager.GetFileById(Id: Integer): TFile; |
| 129 |
|
end; |
| 130 |
|
end; |
| 131 |
|
|
| 132 |
< |
procedure TMetaManager.InitRootFiles; |
| 132 |
> |
procedure TMetaManager.InitExtFiles(Ext: String); |
| 133 |
|
var |
| 134 |
|
files: TStrings; |
| 135 |
|
i: Integer; |
| 173 |
|
TAccess_OniArchive(ConManager.Connection[FConnectionID]).UnloadWhenUnused := True; |
| 174 |
|
end; |
| 175 |
|
|
| 176 |
+ |
procedure TMetaManager.InitExts; |
| 177 |
+ |
var |
| 178 |
+ |
files: TStrings; |
| 179 |
+ |
i: Integer; |
| 180 |
+ |
fid: Integer; |
| 181 |
+ |
finfo: TFileInfo; |
| 182 |
+ |
begin |
| 183 |
+ |
files := TStringList.Create; |
| 184 |
+ |
files := TDataAccess(FDataAccess).GetFilesList('', '', False, ST_IDAsc); |
| 185 |
+ |
SetLength(FRoot, 0); |
| 186 |
+ |
if files.Count > 0 then |
| 187 |
+ |
begin |
| 188 |
+ |
for i := 0 to files.Count - 1 do |
| 189 |
+ |
begin |
| 190 |
+ |
fid := StrToInt(MidStr(files.Strings[i], 1, 5)); |
| 191 |
+ |
finfo := TDataAccess(FDataAccess).GetFileInfo(fid); |
| 192 |
+ |
if Length(finfo.Name) > 0 then |
| 193 |
+ |
if not Assigned(GetExt(finfo.Extension)) then |
| 194 |
+ |
AddExt(finfo.Extension); |
| 195 |
+ |
end; |
| 196 |
+ |
end; |
| 197 |
+ |
files.Free; |
| 198 |
+ |
end; |
| 199 |
+ |
|
| 200 |
|
end. |