rm_ptopgrid.pas

来自「胜天进销存源码,国产优秀的进销存」· PAS 代码 · 共 1,027 行 · 第 1/3 页

    aFormReport.ColumnHeaderViews.Add(liView);
    tmpx := tmpx + liView.spWidth;

    if rmgoDoubleFrame in aFormReport.ReportOptions then
    begin
      if liFlagFirstColumn then
        liView.LeftFrame.spWidth := 2;
      liView.TopFrame.spWidth := 2;
    end;
    liFlagFirstColumn := False;
  end;

  procedure MakeOneDetail(aIndex: Integer);
  var
    liCol: TtsDBCol;
  begin
    liCol := liGrid.Col[aIndex];
    if liCol.ControlType = ctPicture then
    begin
      liView := TRMPictureView(RMCreateObject(gtPicture, ''));
      liView.ParentPage := liPage;
      liView.Memo.Text := Format('[%s.%s."%s"]', [DSet.Owner.Name, DSet.Name, liCol.DatasetField.FieldName]);
      TRMPictureView(liView).PictureRatio := TRUE;
      TRMPictureView(liView).PictureStretched := (liCol.StretchPicture = dopOn) or ((liCol.StretchPicture = dopDefault) and liGrid.StretchPicture);
      TRMPictureView(liView).PictureCenter := liGrid.CenterPicture;
    end
    else
    begin
      liView := TRMMemoView(RMCreateObject(gtMemo, ''));
      liView.ParentPage := liPage;
      TRMMemoView(liView).Stretched := rmgoStretch in aFormReport.ReportOptions;
      if liCol.Font <> nil then
        aFormReport.AssignFont(TRMMemoView(liView), liCol.Font)
      else
        aFormReport.AssignFont(TRMMemoView(liView), liGrid.Font);
      liView.Memo.Text := Format('[%s.%s."%s"]', [DSet.Owner.Name, DSet.Name, liCol.FieldName]);
      TRMMemoView(liView).WordWrap := (liCol.WordWrap = wwOn) or ((liCol.WordWrap = wwDefault) and (liGrid.WordWrap = wwOn));

      case liCol.HorzAlignment of
        htaLeft: TRMMemoView(liView).HAlign := rmhLeft;
        htaRight: TRMMemoView(liView).HAlign := rmhRight;
      else
        TRMMemoView(liView).HAlign := rmhCenter;
      end;
      case liCol.VertAlignment of
        vtaCenter: TRMMemoView(liView).VAlign := rmvCenter;
        vtaBottom: TRMMemoView(liView).VAlign := rmvBottom;
      else
        TRMMemoView(liView).VAlign := rmvTop;
      end;

      THackFormReport(aFormReport).SetMemoViewFormat(TRMMemoView(liView), liCol.DatasetField);
    end;
    if rmgoGridLines in aFormReport.ReportOptions then
    begin
      liView.LeftFrame.Visible := True;
      liView.TopFrame.Visible := True;
      liView.RightFrame.Visible := True;
      liView.BottomFrame.Visible := True;
    end
    else
    begin
      liView.LeftFrame.Visible := False;
      liView.TopFrame.Visible := False;
      liView.RightFrame.Visible := False;
      liView.BottomFrame.Visible := False;
    end;

    liView.spLeft := tmpx;
    liView.spTop := 0;
    liView.spWidth := liCol.Width + 1;
    liView.spHeight := liGrid.DefaultRowHeight + 4;
    if rmgoUseColor in aFormReport.ReportOptions then
      liView.FillColor := liGrid.Color;

    if liCol.DatasetField = nil then
    begin
      liNeedBeforePrint := True;
      FList.Add(liView.Name);
      liView.Memo.Text := IntToStr(aIndex);
    end;

    aFormReport.PageDetailViews.Add(liView);
    tmpx := tmpx + liView.spWidth;
    if Assigned(aFormReport.OnAfterCreateGridObjectEvent) then
      aFormReport.OnAfterCreateGridObjectEvent(aControl, DSet.Fields[aIndex].FieldName, liView);

    if rmgoDoubleFrame in aFormReport.ReportOptions then
    begin
      if liFlagFirstColumn then
        liView.LeftFrame.spWidth := 2;
    end;
    DrawDoubleFrameBottom(liView, aFormReport.ColumnFooterViews);
    liFlagFirstColumn := False;
  end;

  procedure DrawFixedColHeader;
  var
    i: Integer;
    liCol: TtsDBCol;
  begin
    for i := 1 to aFormReport.GridFixedCols do
    begin
      liCol := liGrid.Col[i];
      if not liCol.Visible then Continue;
      if i < liGrid.Cols then
        MakeOneHeader(i);
    end;
  end;

  procedure DrawFixedColDetail;
  var
    i: Integer;
    liCol: TtsDBCol;
  begin
    for i := 1 to aFormReport.GridFixedCols do
    begin
      liCol := liGrid.Col[i];
      if not liCol.Visible then Continue;
      if i < liGrid.Cols then
        MakeOneDetail(i);
    end;
  end;

begin
  if aFormReport.DrawOnPageFooter then exit;
  liGrid := THackDBGrid(aControl);
  if (liGrid.Datasource = nil) or (liGrid.Datasource.Dataset = nil) then Exit;
  if not liGrid.Datasource.Dataset.Active then Exit;

  FDBGrid := liGrid;
  FList.Clear;
  liNeedBeforePrint := False;
  if (rmgoSelectedRecordsOnly in aFormReport.ReportOptions) and
    (liGrid.SelectedRows.Count > 0) then
  begin
//    AutoFree := False;
//    aFormReport.Report.OnBeforePrintBand := OnBeforePrintBandEvent;
  end;

  aFormReport.DrawOnPageFooter := TRUE;
  aFormReport.GridTop := THackFormReport(aFormReport).OffsY + aControl.Top;
  aFormReport.GridHeight := aControl.Height;
  liGridTitleHeight := 0;
  NextTop := aControl.Top + THackFormReport(aFormReport).OffsY;
  aFormReport.MainDataSet := THackFormReport(aFormReport).AddRMDataSet(THackDBGrid(FDBGrid).DataSource.DataSet);

  DSet := liGrid.Datasource.Dataset;
  tmpx := 0;
  for i := 1 to liGrid.Cols do
  begin
    liCol := liGrid.Col[i];
    if liCol.Visible then
      tmpx := tmpx + liCol.Width + 1;
  end;

  if liGrid.HeadingOn and (rmgoGridNumber in aFormReport.ReportOptions) then
    tmpx := tmpx + RMCanvasHeight('a', liGrid.Font) * aFormReport.GridNumOptions.Number;

  if (aFormReport.PrintControl = aControl) or (tmpx > StrToInt(THackFormReport(aFormReport).FormWidth[0])) then
    THackFormReport(aFormReport).FormWidth[0] := IntToStr(tmpx + (THackFormReport(aFormReport).OffsX + aControl.Left) * 2);

  if liGrid.HeadingOn then //表头
  begin
    liFlagFirstColumn := True;
    liGridTitleHeight := liGrid.RowHeights[0] + 4;
    tmpx := aControl.Left + THackFormReport(aFormReport).OffsX;
    if rmgoGridNumber in aFormReport.ReportOptions then
    begin
      liView := RMCreateObject(gtMemo, '');
      liView.ParentPage := aPage;
      liView.spLeft := tmpx;
      liView.spTop := NextTop;
      liView.spWidth := RMCanvasHeight('a', liGrid.Font) * aFormReport.GridNumOptions.Number;
      liView.spHeight := liGridTitleHeight;
      liView.Memo.Add(aFormReport.GridNumOptions.Text);
      TRMMemoView(liView).VAlign := rmvCenter;
      TRMMemoView(liView).HAlign := rmhCenter;
      if rmgoGridLines in aFormReport.ReportOptions then
    begin
      liView.LeftFrame.Visible := True;
      liView.TopFrame.Visible := True;
      liView.RightFrame.Visible := True;
      liView.BottomFrame.Visible := True;
    end
    else
    begin
      liView.LeftFrame.Visible := False;
      liView.TopFrame.Visible := False;
      liView.RightFrame.Visible := False;
      liView.BottomFrame.Visible := False;
    end;

      aFormReport.ColumnHeaderViews.Add(liView);
      tmpx := tmpx + liView.spWidth;

      if rmgoDoubleFrame in aFormReport.ReportOptions then
      begin
        if liFlagFirstColumn then
          liView.LeftFrame.spWidth := 2;
        liView.TopFrame.spWidth := 2;
      end;
      liFlagFirstColumn := False;
    end;

    liPage := aPage; liNum := 0;
    tmpx0 := tmpx;
    for i := 1 to liGrid.Cols do
    begin
      liCol := liGrid.Col[i];
      if not liCol.Visible then Continue;
      if (aFormReport.ScaleMode.ScaleMode <> rmsmFit) or (not aFormReport.ScaleMode.FitPageWidth) then
      begin
        if (liNum > 0) and (THackFormReport(aFormReport).CalcWidth(tmpx + (liCol.Width + 1)) > THackFormReport(aFormReport).PageWidth) then // 超宽
        begin
          liNum := 0;
          liFlagFirstColumn := True;
          if rmgoDoubleFrame in aFormReport.ReportOptions then
            liView.RightFrame.spWidth := 2;

          THackFormReport(aFormReport).FormWidth[THackFormReport(aFormReport).FormWidth.Count - 1] := IntToStr(tmpx);
          THackFormReport(aFormReport).AddPage;
          THackFormReport(aFormReport).FormWidth.Add('0');
          liPage := TRMReportPage(aFormReport.Report.Pages[aFormReport.Report.Pages.Count - 1]);
          tmpx := tmpx0;
          liFlagFirstColumn := True;
          DrawFixedColHeader;
        end;
      end;

      MakeOneHeader(i);
      Inc(liNum);
    end;

    liFlagFirstColumn := True;
    if rmgoDoubleFrame in aFormReport.ReportOptions then
      liView.RightFrame.spWidth := 2;
  end;

  if aFormReport.Report.Pages.Count > 1 then
    THackFormReport(aFormReport).FormWidth[THackFormReport(aFormReport).FormWidth.Count - 1] := IntToStr(tmpx);

  liPage := aPage; //表体
  tmpx := aControl.Left + THackFormReport(aFormReport).OffsX;
  liFlagFirstColumn := True;
  if rmgoGridNumber in aFormReport.ReportOptions then
  begin
    liView := RMCreateObject(gtMemo, '');
    liView.ParentPage := aPage;
    liView.spLeft := tmpx;
    liView.spTop := 0;
    liView.spWidth := RMCanvasHeight('a', liGrid.Font) * aFormReport.GridNumOptions.Number;
    liView.spHeight := liGrid.DefaultRowHeight + 4;
    liView.Memo.Add('[Line#]');
    TRMMemoView(liView).VAlign := rmvCenter;
    TRMMemoView(liView).HAlign := rmhCenter;
    if (rmgoGridLines in aFormReport.ReportOptions) then
    begin
      liView.LeftFrame.Visible := True;
      liView.TopFrame.Visible := True;
      liView.RightFrame.Visible := True;
      liView.BottomFrame.Visible := True;
    end
    else
    begin
      liView.LeftFrame.Visible := False;
      liView.TopFrame.Visible := False;
      liView.RightFrame.Visible := False;
      liView.BottomFrame.Visible := False;
    end;

    aFormReport.PageDetailViews.Add(liView);
    tmpx := tmpx + liView.spWidth;

    if rmgoDoubleFrame in aFormReport.ReportOptions then
    begin
      if liFlagFirstColumn then
        liView.LeftFrame.spWidth := 2;
    end;
    DrawDoubleFrameBottom(liView, aFormReport.ColumnFooterViews);
    liFlagFirstColumn := False;
  end;

  tmpx0 := tmpx;
  liNum := 0; liPageNo := 0;
  for i := 1 to liGrid.Cols do
  begin
    liCol := liGrid.Col[i];
    if not liCol.Visible then Continue;
    if (aFormReport.ScaleMode.ScaleMode <> rmsmFit) or (not aFormReport.ScaleMode.FitPageWidth) then
    begin
      if (liNum > 0) and (THackFormReport(aFormReport).CalcWidth(tmpx + (liCol.Width + 1)) > THackFormReport(aFormReport).PageWidth) then // 超宽
      begin
        liNum := 0;
        liFlagFirstColumn := True;
        if rmgoDoubleFrame in aFormReport.ReportOptions then
          liView.RightFrame.spWidth := 2;

        liFlagFirstColumn := True;
        THackFormReport(aFormReport).FormWidth[liPageNo] := IntToStr(tmpx);
        Inc(liPageNo);
        if liPageNo >= aFormReport.Report.Pages.Count then
        begin
          THackFormReport(aFormReport).AddPage;
          THackFormReport(aFormReport).FormWidth.Add('0');
        end;
        liPage := TRMReportPage(aFormReport.Report.Pages[liPageNo]);
        tmpx := tmpx0;
        liFlagFirstColumn := True;
        DrawFixedColDetail;
      end;
    end;

    MakeOneDetail(i);
    Inc(liNum);
  end;

  if liNum > 0 then
  begin
    liFlagFirstColumn := True;
    if rmgoDoubleFrame in aFormReport.ReportOptions then
      liView.RightFrame.spWidth := 2;
  end;

  if aFormReport.Report.Pages.Count > 1 then
    THackFormReport(aFormReport).FormWidth[THackFormReport(aFormReport).FormWidth.Count - 1] := IntToStr(tmpx);

  if liNeedBeforePrint then
  begin
    AutoFree := False;
    aFormReport.Report.OnBeforePrint := _OnBeforePrint;
  end;
end;

initialization
  RMRegisterFormReportControl(TtsCustomDBGrid, TRMPrintTopDBGrid);
  RMRegisterFormReportControl(TtsCustomGrid, TRMPrintTopGrid);

end.