DBGRIDEH保存"显示标题"

//edit by cxg. 2008-04-19 10:01:52
//增加保存"显示标题"
procedure TCustomDBGridEh.SaveColumnsLayoutProducer(ARegIni: TObject; Section:
  String; DeleteSection: Boolean);
var
  I: Integer;
  S: String;
begin
  if (ARegIni is TRegIniFile) then
    TRegIniFile(ARegIni).EraseSection(Section)
  else if DeleteSection then
    TCustomIniFile(ARegIni).EraseSection(Section);

  with Columns do
  begin
    for I := 0 to Count - 1 do
    begin
      if ARegIni is TRegIniFile then
        TRegIniFile(ARegIni).WriteString(Section, Format('%s.%s', [Name, Items[I].FieldName]),
          Format('%d,%d,%d,%d,%d,%d,%d,%s', [Items[I].Index, Items[I].Width, Integer(Items[I].Title.SortMarker),
          Integer(Items[I].Visible), Items[I].Title.SortIndex, Items[I].DropDownRows, Items[I].DropDownWidth,Items[I].Title.Caption]))
      {
        TRegIniFile(ARegIni).WriteString(Section, Format('%s.%s', [Name, Items[I].FieldName]),
          Format('%d,%d,%d,%d,%d,%d,%d', [Items[I].Index, Items[I].Width, Integer(Items[I].Title.SortMarker),
          Integer(Items[I].Visible), Items[I].Title.SortIndex, Items[I].DropDownRows, Items[I].DropDownWidth]))
      }
      else
      begin
        S := Format('%d,%d,%d,%d,%d,%d,%d,%s', [Items[I].Index, Items[I].Width, Integer(Items[I].Title.SortMarker),
          Integer(Items[I].Visible), Items[I].Title.SortIndex, Items[I].DropDownRows, Items[I].DropDownWidth,Items[i].Title.Caption]);
      {
        S := Format('%d,%d,%d,%d,%d,%d,%d', [Items[I].Index, Items[I].Width, Integer(Items[I].Title.SortMarker),
          Integer(Items[I].Visible), Items[I].Title.SortIndex, Items[I].DropDownRows, Items[I].DropDownWidth]);
      }
        if S <> '' then
        begin
          if ((S[1] = '"') and (S[Length(S)] = '"')) or
          ((S[1] = '''') and (S[Length(S)] = '''')) then
            S := '"' + S + '"';
        end;
      end;
      if ARegIni is TCustomIniFile
        then TCustomIniFile(ARegIni).WriteString(Section, Format('%s.%s', [Name, Items[I].FieldName]), S);
    end;
  end;
end;

//edit by cxg. 2008-04-19 10:02:13
//增加恢复"显示标题"
procedure TCustomDBGridEh.RestoreColumnsLayoutProducer(ARegIni: TObject;
  Section: String; RestoreParams: TColumnEhRestoreParams);
type
  TColumnInfo = record
    Column: TColumnEh;
    EndIndex: Integer;
    SortMarker: TSortMarkerEh;
    SortIndex: Integer;
  end;
  PColumnArray = ^TColumnArray;
  TColumnArray = array[0..0] of TColumnInfo;
const
  Delims = [' ', ','];
var
  I, J: Integer;
  S: string;
  ColumnArray: array of TColumnInfo;
  AAutoFitColWidth: Boolean;
begin
  AAutoFitColWidth := False;
  BeginUpdate;
  try
    if (AutoFitColWidths) then
    begin
      AutoFitColWidths := False;
      AAutoFitColWidth := True;
    end;
    with Columns do
    begin
      SetLength(ColumnArray, Count);
      try
        for I := 0 to Count - 1 do
        begin
          if (ARegIni is TRegIniFile)
            then S := TRegIniFile(ARegIni).ReadString(Section, Format('%s.%s', [Name, Items[I].FieldName]), '')
            else S := TCustomIniFile(ARegIni).ReadString(Section, Format('%s.%s', [Name, Items[I].FieldName]), '');
          ColumnArray[I].Column := Items[I];
          ColumnArray[I].EndIndex := Items[I].Index;
          if S <> '' then
          begin
            ColumnArray[I].EndIndex := StrToIntDef(ExtractWord(1, S, Delims),
              ColumnArray[I].EndIndex);
            if (crpColWidthsEh in RestoreParams) then
              Items[I].Width := StrToIntDef(ExtractWord(2, S, Delims),
                Items[I].Width);
            if (crpSortMarkerEh in RestoreParams) then
              Items[I].Title.SortMarker := TSortMarkerEh(StrToIntDef(ExtractWord(3, S, Delims),
                Integer(Items[I].Title.SortMarker)));
            if (crpColVisibleEh in RestoreParams) then
              Items[I].Visible := Boolean(StrToIntDef(ExtractWord(4, S, Delims), Integer(Items[I].Visible)));
            if (crpSortMarkerEh in RestoreParams) then
              ColumnArray[I].SortIndex := StrToIntDef(ExtractWord(5, S, Delims), 0);
            if (crpDropDownRowsEh in RestoreParams) then
              Items[I].DropDownRows := StrToIntDef(ExtractWord(6, S, Delims), Items[I].DropDownRows);
            if (crpDropDownWidthEh in RestoreParams) then
              Items[I].DropDownWidth := StrToIntDef(ExtractWord(7, S, Delims), Items[I].DropDownWidth);
            Items[I].Title.Caption:=ExtractWord(8, S, Delims);//add by cxg
          end;
        end;
        if (crpSortMarkerEh in RestoreParams) then
          for I := 0 to Count - 1 do
            Items[I].Title.SortIndex := ColumnArray[I].SortIndex;
        if (crpColIndexEh in RestoreParams) then
          for I := 0 to Count - 1 do
            for J := 0 to Count - 1 do
              if ColumnArray[J].EndIndex = I then
              begin
                ColumnArray[J].Column.Index := ColumnArray[J].EndIndex;
                Break;
              end;

      finally
        //FreeMem(Pointer(ColumnArray));
        SetLength(ColumnArray, 0);
      end;
    end;
  finally
    EndUpdate;
    if (AAutoFitColWidth = True)
      then AutoFitColWidths := True
      else LayoutChanged;
  end;
end;
 

posted @ 2008-04-19 10:49  delphi中间件  阅读(595)  评论(0编辑  收藏  举报