unit rpgGatherControl;

interface

uses
  Classes, rpgGatherData, ADODB, ReportManager, ProjectData;

type
  TrpgGatherControl = class
  private
    // 当前打开项目，根据其筛选项目
    FProjectData: TProjectData;
    // 当前汇总的报表 -- 主要用于读取报表中的附加信息
    FTemplate: TTemplateNode;
    // 汇总数据
    FGatherData: TrpgGatherData;

    procedure CopyTables(const AFileName, ATableName: string);
    procedure CopyRelaData;
  protected
    FHistroyProjs: TList;
    // 选择的汇总项目
    FSelectProjs: TList;

    function SelectProject: Boolean; virtual;
    function SameSelect: Boolean; virtual;

    procedure RefreshGather; virtual;
  public
    constructor Create(AProjectData: TProjectData); virtual;
    destructor Destroy; override;

    function RefreshConnection(ATemplate: TTemplateNode): TADOConnection;

    property ProjectData: TProjectData read FProjectData;
    property Template: TTemplateNode read FTemplate;
    property GatherData: TrpgGatherData read FGatherData;
  end;

implementation

uses
  ZhAPI, GatherProjInfo, ProjGather, ProjGatherSelectFrm, Globals, Forms,
  Controls, UtilMethods, SysUtils;

{ TrpgGatherControl }

constructor TrpgGatherControl.Create(AProjectData: TProjectData);
begin
  FProjectData := AProjectData;
  FHistroyProjs := TList.Create;
  FSelectProjs := TList.Create;
  FGatherData := TrpgGatherData.Create;
  CopyRelaData;
end;

destructor TrpgGatherControl.Destroy;
begin
  FGatherData.Free;
  FSelectProjs.Free;
  ClearObjects(FHistroyProjs);
  FHistroyProjs.Free;
  inherited;
end;

procedure TrpgGatherControl.CopyRelaData;
var
  sTempFile: string;
begin
  sTempFile := GetTempFileName;
  try
    FProjectData.SaveTempDataBaseFile(sTempFile);
    CopyTables(sTempFile, 'ProjProperties');
  finally
    if FileExists(sTempFile) then
      DeleteFile(sTempFile);
  end;
end;

function TrpgGatherControl.RefreshConnection(ATemplate: TTemplateNode): TADOConnection;
begin
  FTemplate := ATemplate;
  if SelectProject then
  begin
   if not SameSelect then
     RefreshGather
   else if Assigned(ATemplate.InteractInfo) then
     FGatherData.UpdateDataBase(ATemplate.InteractInfo.SpecialProjGatherTypes);
  end;
  Result := FGatherData.Connection;
end;

procedure TrpgGatherControl.RefreshGather;
var
  Gather: TProjGather;
begin
  Screen.Cursor := crHourGlass;
  Gather := TProjGather.Create(FGatherData.WriteGatherData,
    ReportConfig.XmjCompare, ReportConfig.GclCompare);
  try
    if Assigned(FTemplate.InteractInfo) then
      Gather.Gather(FSelectProjs, FTemplate.InteractInfo.SpecialProjGatherTypes)
    else
      Gather.Gather(FSelectProjs, nil);
    FGatherData.LoadRelaData(FProjectData.ProjectID);
    ClearObjects(FHistroyProjs);
    FHistroyProjs.Assign(FSelectProjs);
  finally
    Gather.Free;
    Screen.Cursor := crDefault;
  end;
end;

function TrpgGatherControl.SameSelect: Boolean;

  function IncludeProj(AList: TList; AProj: TGatherProjInfo): Boolean;
  var
    i: Integer;
    vProj: TGatherProjInfo;
  begin
    Result := False;
    for i := 0 to AList.Count - 1 do
    begin
      vProj := TGatherProjInfo(AList.Items[i]);
      if (AProj.ProjectID = vProj.ProjectID) and (AProj.ProjType = vProj.ProjType) then
      begin
        Result := True;
        Break;
      end;
    end;
  end;

  function IncludeList(ALarge, ASmall: TList): Boolean;
  var
    iSmall: Integer;
  begin
    Result := True;
    for iSmall := 0 to ASmall.Count - 1 do
    begin
      if not IncludeProj(ALarge, TGatherProjInfo(ASmall.Items[iSmall])) then
      begin
        Result := False;
        Break;
      end;
    end;
  end;

begin
  if FHistroyProjs.Count = FSelectProjs.Count then
    Result := IncludeList(FHistroyProjs, FSelectProjs) and IncludeList(FSelectProjs, FHistroyProjs)
  else
    Result := False;
end;

function TrpgGatherControl.SelectProject: Boolean;
begin
  if FTemplate.IsExtra then
    Result := SelectGatherProject(FProjectData.ProjectID, FSelectProjs, FTemplate.InteractInfo.SpecialProjGatherTypes)
  else
    Result := SelectGatherProject(FProjectData.ProjectID, FSelectProjs);
end;

procedure TrpgGatherControl.CopyTables(const AFileName,
  ATableName: string);
const
  sCopySql = 'Select * Into %s' +
             '  From %s In ''%s''';
var
  vQuery: TADOQuery;
begin
  vQuery := TADOQuery.Create(nil);
  try
    vQuery.Connection := FGatherData.Connection;
    vQuery.SQL.Clear;
    vQuery.SQL.Add(Format(sCopySql, [ATableName, ATableName, AFileName]));
    vQuery.ExecSQL;
  finally
    vQuery.Free;
  end;
end;

end.