unit stgExcelExport;

interface

uses
  Classes, OExport, OExport_Vcl, OExport_VclForms, stgGatherDm, sdDB,
  stgGatherCacheData, stgGatherUtils, sdIDTree, Graphics;

type
  TstgExcelExport = class
  private
    FTempFile: string;
    FGatherData: TstgGatherData;
    FOExport: TOExport;
    FOExportor: TOCustomExporter;
  protected
    function AddHeadCell(ARow: TExportRow; const AHead: string; AWidth: Integer): TExportCellString;

    function GetExportor(const AFileType: string): TOCustomExporter;

    procedure SaveFile(const AFileName: string);

    procedure BeforeExport;
    procedure AfterExport;
  public
    constructor Create(AGatherData: TstgGatherData);

    property GatherData: TstgGatherData read FGatherData;
    property OExport: TOExport read FOExport;
  end;

  TstgErrorExcelExport = class(TstgExcelExport)
  private
    procedure InitSheet(ASheet: TExportWorkSheet);
    procedure ExportSubTenderToSheet(ATenderID: Integer; ASheet: TExportWorkSheet);
  public
    procedure ExportSubTender(ARec: TsdDataRecord; const AFileName: string);
    procedure ExportAll(const AFileName: string);
  end;

  TstgGatherExcelExport = class(TstgExcelExport)
  private
    procedure InitSheet(ASheet: TExportWorkSheet);
    procedure ExportTreeNodeToSheet(ANode: TsdIDTreeNode; ASheet: TExportWorkSheet);
    procedure ExportGatherToSheet(ASheet: TExportWorkSheet);
  public
    procedure ExportGather(const AFileName: string);
  end;

implementation

uses SysUtils, UtilMethods, ZhAPI;

{ TstgErrorExcelExport }

procedure TstgErrorExcelExport.ExportAll(const AFileName: string);
var
  i: Integer;
  vRec: TsdDataRecord;
begin
  BeforeExport;
  try
    GetExportor(ExtractFileExt(AFileName));
    for i := 0 to FGatherData.sddSubTenders.RecordCount - 1 do
    begin
      vRec := FGatherData.sddSubTenders.Records[i];
      ExportSubTenderToSheet(vRec.ValueByName('ID').AsInteger, FOExport.AddWorkSheet(vRec.ValueByName('Name').AsString));
    end;
    SaveFile(AFileName);
  finally
    AfterExport;
  end;
end;

procedure TstgErrorExcelExport.ExportSubTender(ARec: TsdDataRecord;
  const AFileName: string);
begin
  BeforeExport;
  try
    GetExportor(ExtractFileExt(AFileName));
    ExportSubTenderToSheet(ARec.ValueByName('ID').AsInteger, FOExport.AddWorkSheet(ARec.ValueByName('Name').AsString));
    SaveFile(AFileName);
  finally
    AfterExport;
  end;
end;

procedure TstgErrorExcelExport.ExportSubTenderToSheet(ATenderID: Integer;
  ASheet: TExportWorkSheet);

  procedure ExportErrorRecord(ARec: TsdDataRecord);
  var
    vRow: TExportRow;
    vCell: TExportCell;
  begin
    vRow := ASheet.AddRow;
    vCell := vRow.AddCellString(ARec.ValueByName('RelaCode').AsString);
    vCell := vRow.AddCellString(ARec.ValueByName('RelaSerialNo').AsString);
    vCell.SetAlignment(cahCenter);
    vCell := vRow.AddCellString(ARec.ValueByName('DetailCode').AsString);
    vCell := vRow.AddCellString(ARec.ValueByName('DetailSerialNo').AsString);
    vCell.SetAlignment(cahCenter);
    vCell := vRow.AddCellString(GetErrorTypeText(ARec.ValueByName('ErrorType').AsInteger));
  end;

var
  vIdx: TsdIndex;
  i, iBegin, iEnd: Integer;
  vRec: TsdDataRecord;
begin
  InitSheet(ASheet);
  vIdx := GatherData.sddErrorDetail.FindIndex('idxTenderID');
  iBegin := vIdx.FindKeyIndex(ATenderID);
  iEnd := vIdx.FindKeyLastIndex(ATenderID);
  if iBegin = -1 then Exit;
  for i := iBegin to iEnd do
    ExportErrorRecord(vIdx.Records[i]);
end;

procedure TstgErrorExcelExport.InitSheet(ASheet: TExportWorkSheet);
var
  vRow: TExportRow;
  vCell: TExportCellString;
begin
  vRow := ASheet.AddRow;
  vCell := AddHeadCell(vRow, '出错源', 120);
  vCell.ColSpan := 2;
  vCell := AddHeadCell(vRow, '可计量清单', 80);
  vCell.ColSpan := 2;
  vCell := AddHeadCell(vRow, '错误原因', 200);
  vCell.RowSpan := 2;

  vRow := ASheet.Rows.Items[vRow.RowIndex + 1];
  vCell := AddHeadCell(vRow, '编号', 120);
  vCell := AddHeadCell(vRow, '行号', 50);
  vCell := AddHeadCell(vRow, '编号', 80);
  vCell := AddHeadCell(vRow, '行号', 50);
end;

{ TstgExcelExport }

function TstgExcelExport.AddHeadCell(ARow: TExportRow; const AHead: string;
  AWidth: Integer): TExportCellString;
begin
  Result := ARow.AddCellString(AHead);
  Result.SetAlignment(cahCenter);
  Result.SetVAlignment(cavCenter);
  Result.Font.Name := '黑体';
  Result.Font.Size := 10;
  Result.Width := AWidth;
end;

procedure TstgExcelExport.AfterExport;
begin
  FOExport.Free;
  if Assigned(FOExportor) then
    FOExportor.Free;
  if FileExists(FTempFile) then
    DeleteFile(FTempFile);
end;

procedure TstgExcelExport.BeforeExport;
begin
  FOExport := TOExport.Create;
  FOExport.UseProgress := False;
  FTempFile := GetTempFileName;
end;

constructor TstgExcelExport.Create(AGatherData: TstgGatherData);
begin
  FGatherData := AGatherData;
end;

function TstgExcelExport.GetExportor(
  const AFileType: string): TOCustomExporter;
begin
  if SameText(AFileType, '.xls') then
    FOExportor := TOCustomExporterXLS.Create
  else //if SameText(AFileType, '.xlsx') then
    FOExportor := TOCustomExporterXLSX.Create;
end;

procedure TstgExcelExport.SaveFile(const AFileName: string);
begin
  FOExport.SaveToFile(FTempFile, FOExportor);
  if not FileExists(AFileName) or QuestMessage('存在同名文件，是否替换？') then
    CopyFileOrFolder(FTempFile, AFileName);
end;

{ TstgGatherExcelExport }

procedure TstgGatherExcelExport.ExportGather(const AFileName: string);
begin
  BeforeExport;
  try
    GetExportor(ExtractFileExt(AFileName));
    ExportGatherToSheet(OExport.AddWorkSheet('分包数据汇总'));
    SaveFile(AFileName);
  finally
    AfterExport;
  end;
end;

procedure TstgGatherExcelExport.ExportGatherToSheet(
  ASheet: TExportWorkSheet);
var
  vTree: TsdIDTree;
begin
  InitSheet(ASheet);
  vTree := TsdIDTree.Create;
  try
    vTree.KeyFieldName := 'ID';
    vTree.ParentFieldName := 'ParentID';
    vTree.NextSiblingFieldName := 'NextSiblingID';
    vTree.DataView := GatherData.sdvGatherTree;
    ExportTreeNodeToSheet(vTree.FirstNode, ASheet);
  finally
    vTree.Free;
  end;
end;

procedure TstgGatherExcelExport.ExportTreeNodeToSheet(ANode: TsdIDTreeNode;
  ASheet: TExportWorkSheet);

  procedure AddCellString(ARow: TExportRow; const AStr: string; AColor: TColor);
  var
    vCell: TExportCellString;
  begin
    vCell := ARow.AddCellString(AStr);
    vCell.Font.Color := AColor;
  end;

  procedure AddCellNumber(ARow: TExportRow; const ANum: Double; AColor: TColor);
  var
    vCell: TExportCellNumber;
  begin
    vCell := ARow.AddCellNumber(ANum);
    vCell.Font.Color := AColor;
    vCell.EmptyIfZero := True;
  end;

var
  vColor: TColor;
  vRow: TExportRow;
  vCell: TExportCellNumber;
begin
  if not Assigned(ANode) then Exit;
  if ANode.Rec.ValueByName('IsSubTender').AsBoolean then
    vColor := $00D5D5D5
  else
    vColor := clWindowText;
  vRow := ASheet.AddRow;
  AddCellString(vRow, ANode.Rec.ValueByName('Code').AsString, vColor);
  AddCellString(vRow, ANode.Rec.ValueByName('B_Code').AsString, vColor);
  AddCellString(vRow, ANode.Rec.ValueByName('Name').AsString, vColor);
  AddCellString(vRow, ANode.Rec.ValueByName('Units').AsString, vColor);
  AddCellNumber(vRow, ANode.Rec.ValueByName('DealQuantity').AsFloat, vColor);
  AddCellNumber(vRow, ANode.Rec.ValueByName('QcQuantity').AsFloat, vColor);
  ExportTreeNodeToSheet(ANode.FirstChild, ASheet);
  ExportTreeNodeToSheet(ANode.NextSibling, ASheet);
end;

procedure TstgGatherExcelExport.InitSheet(ASheet: TExportWorkSheet);
var
  vRow: TExportRow;
begin
  vRow := ASheet.AddRow;
  AddHeadCell(vRow, '项目节编号', 180);
  AddHeadCell(vRow, '清单编号', 80);
  AddHeadCell(vRow, '名称', 240);
  AddHeadCell(vRow, '单位', 50);
  AddHeadCell(vRow, '合同计量', 100);
  AddHeadCell(vRow, '数量变更计量', 100);
end;

end.