Changeset 229 for oup/current/FileClasses

Timestamp:

Jun 20, 2007, 12:57:51 PM (18 years ago)

Author:

alloc

Message:

 

Location:

oup/current/FileClasses

Files:

• _Extensions.pas (modified) (4 diffs)
• _MetaManager.pas (modified) (3 diffs)
• _MetaTypes.pas (modified) (1 diff)

oup/current/FileClasses/_Extensions.pas

@@ -7 +7 @@
     private
       FConnectionID: Integer;
+      FExt: String;
       FFiles: array of Integer;
       function GetFile(ID: Integer): Integer;
@@ -13 +14 @@
       constructor Create(ConnectionID: Integer; Ext: String); virtual;
       procedure InitList;
+      property Ext: String read FExt;
       property Files[ID: Integer]: Integer read GetFile;
       property FileCount: Integer read GetFileCount;
   end;
+
+  TExtensions = array of TExtension;
+                      
 
 
@@ -26 +31 @@
 
 constructor TExtension.Create(ConnectionID: Integer; Ext: String);
+begin
+  FConnectionID := ConnectionID;
+  FExt := Ext;
+end;
+
+function TExtension.GetFile(ID: Integer): Integer;
+begin
+  Result := FFiles[ID];
+end;
+
+function TExtension.GetFileCount: Integer;
+begin
+  Result := Length(FFiles);
+end;
+
+procedure TExtension.InitList;
 var
   files: TStrings;
@@ -50 +71 @@
 end;
 
-function TExtension.GetFile(ID: Integer): Integer;
-begin
-  Result := FFiles[ID];
-end;
-
-function TExtension.GetFileCount: Integer;
-begin
-  Result := Length(FFiles);
-end;
-
-procedure TExtension.InitList;
-begin
-Exit;
-end;
-
 end.

oup/current/FileClasses/_MetaManager.pas

@@ -8 +8 @@
     protected
       FFiles: array of TFile;
-      FRoot: array of TExtension;
+      FRoot: TExtensions;
       FConnectionID: Integer;
+      FDataAccess: TObject;
       function GetFileCount: Integer;
       function GetFileById(Id: Integer): TFile;
+      function GetExt(Ext: String): TExtension;
+      procedure AddExt(Ext: String);
     private
-      procedure InitRootFiles;
+      procedure InitExts;
     public
-      constructor Create(ConnectionID: Integer);
+      constructor Create(ConnectionID: Integer; DataAccess: TObject);
+      procedure InitExtFiles(Ext: String);
       procedure InitFile(id: Integer);
       procedure InitFileFields(id: Integer);
 
+      property Root: TExtensions read FRoot;
+      property RootExt[Ext: String]: TExtension read GetExt;
       property FileCount: Integer read GetFileCount;
       property FileById[Id: Integer]: TFile read GetFileById;
   end;
 
-var
-  Meta: TMetaManager;
-
 implementation
 
 uses
   Classes, ConnectionManager, Access_OniArchive, TypeDefs,
-  Dialogs, SysUtils, StrUtils;
+  Dialogs, SysUtils, StrUtils, DataAccess;
 
 { TFileManager }
 
-constructor TMetaManager.Create(ConnectionID: Integer);
+constructor TMetaManager.Create(ConnectionID: Integer; DataAccess: TObject);
 begin
   FConnectionID := ConnectionID;
-  InitRootFiles;
+  FDataAccess := DataAccess;
+  SetLength(FFiles, TDataAccess(DataAccess).GetFileCount);
+  InitExts;
+end;
+
+function TMetaManager.GetExt(Ext: String): TExtension;
+var
+  i: Integer;
+begin
+  Result := nil;
+  if Length(FRoot) > 0 then
+    for i := 0 to High(FRoot) do
+      if FRoot[i].Ext = Ext then
+      begin
+        Result := FRoot[i];
+        Break;
+      end;
+end;
+
+procedure TMetaManager.AddExt(Ext: String);
+var
+  i: Integer;
+begin
+  SetLength(FRoot, Length(FRoot) + 1);
+  for i := High(FRoot) downto 1 do
+  begin
+    if FRoot[i-1].Ext < Ext then
+    begin
+      FRoot[i] := TExtension.Create(FConnectionID, Ext);
+      Break;
+    end
+    else
+      FRoot[i] := FRoot[i-1];
+  end;
+  if i = 0 then
+    FRoot[0] := TExtension.Create(FConnectionID, Ext);
 end;
 
@@ -92 +130 @@
 end;
 
-procedure TMetaManager.InitRootFiles;
+procedure TMetaManager.InitExtFiles(Ext: String);
 var
   files: TStrings;
@@ -136 +174 @@
 end;
 
+procedure TMetaManager.InitExts;
+var
+  files: TStrings;
+  i: Integer;
+  fid: Integer;
+  finfo: TFileInfo;
+begin
+  files := TStringList.Create;
+  files := TDataAccess(FDataAccess).GetFilesList('', '', False, ST_IDAsc);
+  SetLength(FRoot, 0);
+  if files.Count > 0 then
+  begin
+    for i := 0 to files.Count - 1 do
+    begin
+      fid := StrToInt(MidStr(files.Strings[i], 1, 5));
+      finfo := TDataAccess(FDataAccess).GetFileInfo(fid);
+      if Length(finfo.Name) > 0 then
+        if not Assigned(GetExt(finfo.Extension)) then
+          AddExt(finfo.Extension);
+    end;
+  end;
+  files.Free;
+end;
+
 end.

oup/current/FileClasses/_MetaTypes.pas

@@ -19 +19 @@
   TFile_Empty = _EmptyFile.TFile_Empty;
   TExtension = _Extensions.TExtension;
+  TExtensions = _Extensions.TExtensions;
 
   TFileClass = class of TFile;