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. |