1 | unit ORDtTmCal;
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2 |
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3 | interface
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4 |
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5 | uses SysUtils, Windows, Classes, Graphics, Grids, Calendar;
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6 |
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7 | type
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8 | TORCalendar = class(TCalendar)
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9 | protected
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10 | procedure KeyDown(var Key: Word; Shift: TShiftState); override;
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11 | procedure DrawCell(ACol, ARow: Longint; ARect: TRect; AState: TGridDrawState); override;
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12 | end;
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13 |
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14 | procedure Register;
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15 |
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16 | implementation
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17 |
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18 | { TORCalendar ------------------------------------------------------------------------------- }
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19 |
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20 | procedure TORCalendar.DrawCell(ACol, ARow: Longint; ARect: TRect; AState: TGridDrawState);
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21 | { uses the Calendar that is part of Samples and highlights the current date }
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22 | var
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23 | TheText: string;
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24 | CurMonth, CurYear, CurDay: Word;
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25 | begin
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26 | TheText := CellText[ACol, ARow];
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27 | with ARect, Canvas do
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28 | begin
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29 | DecodeDate(Date, CurYear, CurMonth, CurDay);
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30 | if (CurYear = Year) and (CurMonth = Month) and (IntToStr(CurDay) = TheText) then
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31 | begin
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32 | TheText := '[' + TheText + ']';
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33 | Font.Style := [fsBold];
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34 | end;
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35 | TextRect(ARect, Left + (Right - Left - TextWidth(TheText)) div 2,
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36 | Top + (Bottom - Top - TextHeight(TheText)) div 2, TheText);
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37 | end;
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38 | end;
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39 |
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40 | procedure TORCalendar.KeyDown(var Key: Word; Shift: TShiftState);
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41 | begin
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42 | inherited;
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43 | if Key = VK_PRIOR then
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44 | CalendarDate := IncMonth(CalendarDate,-1)
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45 | else if Key = VK_NEXT then
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46 | CalendarDate := IncMonth(CalendarDate,1);
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47 | end;
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48 |
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49 | procedure Register;
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50 | { used by Delphi to put components on the Palette }
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51 | begin
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52 | RegisterComponents('CPRS', [TORCalendar]);
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53 | end;
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54 |
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55 | end.
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56 |
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