unit FXQDManagerUnit;

interface

uses
  Classes,
  Windows,
  ScProjectManager,
  ConstVarUnit,
  FileOprUnit,
  ADODB,
  Provider,
  DBClient,
  CommonIntfUnit;

type
  TConfigFileManager = class(TInterfacedObject, IFileManager)
  private
    FFileList   : TStrings;
    { TODO : FFileFlag = 1: 表示分项清单, 2: 表示工程量清单 }
    FFileFlag   : Integer;
    FFileDir    : string;

    procedure LoadFromFile(const aFileName: string);
    procedure SaveToFile(const aFileName: string);
  public
    constructor Create;
    destructor Destroy; override;

    procedure AddFile(const aFileName: string);
    procedure DeleteFile(const aFileName: string);
    procedure RenameFile(const aOldFileName, aNewFileName: string);

    procedure AddLibsTo(aLibs, aLibFiles: TStrings; aFileFlag: Integer);

    property Libs: TStrings read FFileList;
  end;

  TFXQDManager = class(TInterfacedObject, IFileManager)
  private
    FFileDir           : string;
    FFileOpr           : TFileOpr;
    FConfigFileManager : TConfigFileManager;
    FProjectManager    : TProjectManager;
    FConnection        : TADOConnection;
    FBillsTable        : TADOTable;
    FDrawTable         : TADOTable;

    function GenerateTemplateName: string;
    { TODO : aLibName is a ShortFileName }
    function CreateNewLib(const aLibName: string): string;
    { TODO : aLibName is a FullFileName }
    procedure OpenLib(const aLibName: string);
    procedure WriteBills;
    procedure WriteDrawingQty;
    procedure Write;
    procedure Save;
    procedure Close;

    procedure LoadFromFile(const aFileName: string);
    procedure SaveToFile(const aFileName: string);

    function GetFileFlag: Integer;
    procedure SetFileFlag(const Value: Integer);
  public
    constructor Create(aProjectManager: TProjectManager);
    destructor Destroy; override;

    function CheckLibExists(const aShortName: string): Boolean;
    function GenerateLibName(const aShortName: string): string;

    { the Params are all shortNames }
    procedure AddFile(const aLibName: string);
    procedure DeleteFile(const aLibName: string);
    procedure RenameFile(const aOldLibName, aNewLibName: string);
    procedure ImportLib(const aOldLibName, aNewLibName: string);
    procedure ExportLib(const aOldLibName, aNewLibName: string);

    property FileFlag: Integer read GetFileFlag write SetFileFlag;
    property ConfigFileManager: TConfigFileManager read FConfigFileManager;
  end;

implementation

uses SysUtils, DataBase, DB;

{ TFXQDManager }

procedure TConfigFileManager.AddFile(const aFileName: string);
begin
  FFileList.Add(Format('%d.%s', [FFileFlag, aFileName]));
end;

procedure TConfigFileManager.AddLibsTo(aLibs, aLibFiles: TStrings;
  aFileFlag: Integer);
var
  I: Integer;
  sLib: string;
  sHead: string;
begin
  sHead := IntToStr(FFileFlag) + '.';

  for I := 0 to FFileList.Count - 1 do
  begin
    sLib := FFileList[I];
    if Pos(sHead, sLib) = 1 then
    begin
      sLib := Copy(sLib, Pos('.', sLib) + 1, Length(sLib));
      aLibs.Add(sLib);
      sLib := Format('%sStdLibs\%s.dat', [FFileDir, sLib]);
      aLibFiles.Add(sLib);
    end;
  end;
end;

constructor TConfigFileManager.Create;
begin
  FFileFlag := 1;
  FFileList := TStringList.Create;
end;

procedure TConfigFileManager.DeleteFile(const aFileName: string);
var
  iIdx: Integer;
begin
  iIdx := FFileList.IndexOf(Format('%d.%s', [FFileFlag, aFileName]));
  if iIdx > -1 then
    FFileList.Delete(iIdx);
end;

destructor TConfigFileManager.Destroy;
begin
  FFileList.Free;
  inherited;
end;

procedure TConfigFileManager.LoadFromFile(const aFileName: string);
begin
  if FileExists(aFileName) then
    FFileList.LoadFromFile(aFileName)
  else
    FFileList.Clear;
end;

procedure TConfigFileManager.RenameFile(const aOldFileName, aNewFileName: string);
var
  iIdx: Integer;
begin
  iIdx := FFileList.IndexOf(Format('%d.%s', [FFileFlag, aOldFileName]));
  if iIdx > -1 then
    FFileList[iIdx] := Format('%d.%s', [FFileFlag, aNewFileName]);
end;

procedure TConfigFileManager.SaveToFile(const aFileName: string);
begin
  FFileList.SaveToFile(aFileName);
end;

procedure TFXQDManager.WriteBills;
begin
  with FProjectManager.ActiveProject.BillsData do
  begin
    cdsBills.First;
    while not cdsBills.Eof do
    begin
      { Value 和 AsString 产生的结果不一样！！！ }
      { 为安全起见，最好还是用 AsString 吧 }
//      slist.Add(cdsBillsCode.Value + ' <---->  ' + cdsBillsB_Code.Value);
 //     slist.Add(cdsBillsCode.AsString + ' <---->  ' + cdsBillsB_Code.AsString);

      FBillsTable.Append;
      FBillsTable.FieldByName(SID).AsInteger := cdsBillsID.AsInteger;
      FBillsTable.FieldByName(sParentID).AsInteger := cdsBillsParentID.AsInteger;
      FBillsTable.FieldByName('NextID').AsInteger := cdsBillsNextSiblingID.AsInteger;
      FBillsTable.FieldByName(sCode).AsString := cdsBillsCode.AsString;
      FBillsTable.FieldByName(sB_Code).AsString := cdsBillsB_Code.AsString;
      FBillsTable.FieldByName(sName).AsString := cdsBillsName.AsString;
      FBillsTable.FieldByName('Unit').AsString := cdsBillsUnits.AsString;
      if cdsBillsID.Value < 100 then
        FBillsTable.FieldByName('StaticID').AsInteger := cdsBillsID.AsInteger;
      FBillsTable.FieldByName(sMemoStr).AsString := cdsBillsMemoStr.AsString;
      FBillsTable.Post; 

      cdsBills.Next;
    end;
  end;
end;

procedure TFXQDManager.WriteDrawingQty;
begin
  with FProjectManager.ActiveProject.BillsData do
  begin
    cdsDrawingQuantity.First;
    while not cdsDrawingQuantity.Eof do
    begin
      FDrawTable.Append;
      FDrawTable.FieldByName(SID).AsInteger := cdsDrawingQuantityID.AsInteger;
      FDrawTable.FieldByName(sName).AsString := cdsDrawingQuantityName.AsString;
      FDrawTable.FieldByName(sUnits).AsString := cdsDrawingQuantityUnits.AsString;
      FDrawTable.FieldByName(sDesignQuantity).AsFloat := cdsDrawingQuantityDQuantity1.AsFloat;
      FDrawTable.FieldByName(sDesignQuantity2).AsFloat := cdsDrawingQuantityDQuantity2.AsFloat;
      FDrawTable.FieldByName(sMemoStr).AsString := cdsDrawingQuantityMemoContext.AsString;
      FDrawTable.FieldByName(sBillsID).AsInteger := cdsDrawingQuantityBillsID.AsInteger;
      FDrawTable.Post;

      cdsDrawingQuantity.Next;

    end;
  end;
end;

{ TFXQDManager }

procedure TFXQDManager.AddFile(const aLibName: string);
var
  sNewFileName: string;
begin
  sNewFileName := CreateNewLib(aLibName);
  if sNewFileName = '' then Exit;

  FConfigFileManager.AddFile(aLibName);
  
  OpenLib(sNewFileName);
  Write;
  Save;
  Close;
end;

function TFXQDManager.CheckLibExists(const aShortName: string): Boolean;
var
  sLibName: string;
begin
  sLibName := GenerateLibName(aShortName);
  Result := FFileOpr.FileExists(sLibName);
end;

procedure TFXQDManager.Close;
begin
  FConnection.Close;
end;

constructor TFXQDManager.Create(aProjectManager: TProjectManager);
begin
  FFileOpr := TFileOpr.Create;
  FFileDir := FFileOpr.ExtractFilePath(ParamStr(0));
  FProjectManager := aProjectManager;

  FConnection := TADOConnection.Create(nil);
  FConnection.LoginPrompt := False;
  FBillsTable := TADOTable.Create(nil);
  FDrawTable := TADOTable.Create(nil);

  FConfigFileManager := TConfigFileManager.Create;
  FConfigFileManager.FFileDir := FFileDir;
  LoadFromFile({$I StdLibs.inc});
end;

function TFXQDManager.CreateNewLib(const aLibName: string): string;
var
  sTemplateName: string;
begin
  Result := GenerateLibName(aLibName);
  sTemplateName := GenerateTemplateName;
  if not FFileOpr.CopyFile(sTemplateName, Result) then
    Result := '';
end;

procedure TFXQDManager.DeleteFile(const aLibName: string);
var
  sLibName: string;
begin
  sLibName := GenerateLibName(aLibName);
  FFileOpr.DeleteFile(sLibName);
  FConfigFileManager.DeleteFile(aLibName);
  Save;
end;

destructor TFXQDManager.Destroy;
begin
  FConnection.Free;
  FBillsTable.Free;
  FDrawTable.Free;
  FFileOpr.Free;
  FConfigFileManager.Free;
  inherited;
end;

procedure TFXQDManager.ExportLib(const aOldLibName, aNewLibName: string);
begin
  FFileOpr.CopyFile(aOldLibName, aNewLibName);
  Save;
end;

function TFXQDManager.GenerateLibName(const aShortName: string): string;
begin
  Result := Format('%sStdLibs\%s.dat', [FFileDir, aShortName]);
end;

function TFXQDManager.GenerateTemplateName: string;
begin
  if FileFlag = 1 then
    Result := Format('%sData\%s', [FFileDir, FXTemplateFile])
  else
    Result := '';
end;

function TFXQDManager.GetFileFlag: Integer;
begin
  Result := FConfigFileManager.FFileFlag;
end;

procedure TFXQDManager.ImportLib(const aOldLibName, aNewLibName: string);
var
  sNewLibName: string;
begin
  sNewLibName := GenerateLibName(aNewLibName);
  FFileOpr.CopyFile(aOldLibName, sNewLibName);
  FConfigFileManager.AddFile(aNewLibName);
  Save;
end;

procedure TFXQDManager.LoadFromFile(const aFileName: string);
begin
  FConfigFileManager.LoadFromFile(aFileName);
end;

procedure TFXQDManager.OpenLib(const aLibName: string);
begin
  FConnection.ConnectionString := Format(SAdoConnectStr, [aLibName, 'Admin', '']);
  FConnection.Open;

  FBillsTable.Connection := FConnection;
  FDrawTable.Connection := FConnection;

  FBillsTable.TableName := 'BillsTree';
  FDrawTable.TableName := 'DrawingQuantity';

  FBillsTable.Active := True;
  if FileFlag = 1 then
    FDrawTable.Active := True;
end;

procedure TFXQDManager.RenameFile(const aOldLibName, aNewLibName: string);
var
  sOldLibName: string;
  sNewLibName: string;
begin
  sOldLibName := GenerateLibName(aOldLibName);
  sNewLibName := GenerateLibName(aNewLibName);
  FFileOpr.RenameFile(sOldLibName, sNewLibName);
  FConfigFileManager.RenameFile(aOldLibName, aNewLibName);
  Save;
end;

procedure TFXQDManager.Save;
begin
  SaveToFile({$I StdLibs.inc});
end;

procedure TFXQDManager.SaveToFile(const aFileName: string);
begin
  FConfigFileManager.SaveToFile(aFileName);
end;

procedure TFXQDManager.SetFileFlag(const Value: Integer);
begin
  FConfigFileManager.FFileFlag := Value;
end;

procedure TFXQDManager.Write;
begin
  WriteBills;
  if FileFlag = 1 then
    WriteDrawingQty;
end;

end.