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calendar component for application

Posted on 2004-03-21
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Last Modified: 2010-04-05
hi
i need a small cool calendar component because i don't like the one that is offered with delphi

so i can build it in thank you


i tried delphipages.com but couldn't find it


thank you
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Question by:zgeorge_2
9 Comments
 
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by:
mokule earned 42 total points
ID: 10645998
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by:shaneholmes
shaneholmes earned 41 total points
ID: 10646050
or Delphi Super Page

http://delphi.icm.edu.pl/

or www.delphi32.com

Shane
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by:k4hvd77
k4hvd77 earned 41 total points
ID: 10647027
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Expert Comment

by:calinutz
ID: 10647048
If you don't like the appearance of the calendar you can always full around with it's settings: Calcolors .
You can make it look pretty nice in the end.
Cheers
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by:esoftbg
esoftbg earned 41 total points
ID: 10648398
unit eCalendar;

interface

uses
  SysUtils, Classes, Messages, Controls, StdCtrls, ExtCtrls,
  Grids, Calendar;

type
  TeCustomCalendar = class(TCalendar)
  private        { Private declarations }
  protected      { Protected declarations }
    procedure      Click; override;
  public         { Public declarations }
  published      { Published declarations }
  end;

  TeEdit = class(TEdit)
  private        { Private declarations }
    FKeyPress:     TNotifyEvent;
  protected      { Protected declarations }
    procedure      KeyPress(var Key: Char); override;
    procedure      Change; override;
  public         { Public declarations }
  published      { Published declarations }
  end;

  TComboMonth = class(TComboBox)
  private        { Private declarations }
  protected      { Protected declarations }
    procedure      CloseUp; override;
  public         { Public declarations }
  published      { Published declarations }
  end;

  TComboDay = class(TComboBox)
  private        { Private declarations }
  protected      { Protected declarations }
    procedure    CloseUp; override;
  public         { Public declarations }
  published      { Published declarations }
  end;

  TeCalendar = class(TPanel)
  private        { Private declarations }
    FCalendar:     TeCustomCalendar;
    FEditYear:     TeEdit;
    FComboMonth:   TComboMonth;
    FComboDay:     TComboDay;
    procedure      SetCalendar(const Value: TeCustomCalendar);
    procedure      SetYear(const Value: TeEdit);
    procedure      SetMonth(const Value: TComboMonth);
    procedure      SetDay(const Value: TComboDay);
  protected      { Protected declarations }
  public         { Public declarations }
    constructor  Create(AOwner: TComponent); override;
    procedure    Paint; override;
    function     IsLeapYear(AYear: Integer): Boolean;
    function     DaysPerMonth(AYear, AMonth: Integer): Integer;
    function     DaysThisMonth: Integer;
    destructor   Destroy; override;
  published      { Published declarations }
    property     Calendar:   TeCustomCalendar  read FCalendar   write SetCalendar;
    property     EditYear:   TeEdit      read FEditYear   write SetYear;
    property     ComboMonth: TComboMonth read FComboMonth write SetMonth;
    property     ComboDay:   TComboDay   read FComboDay   write SetDay;
  end;

procedure Register;

implementation

procedure Register;
begin
  RegisterComponents('EOSoft', [TeCalendar]);
end;

procedure TeCustomCalendar.Click;
begin
  inherited Click;
  (Parent as TeCalendar).FComboDay.ItemIndex := Day-1;
end;

procedure TeEdit.Change;
var
  I:                   Integer;
  L:                   LongInt;
begin
  inherited Change;
  Val(Text, L, I);
  (Parent as TeCalendar).Calendar.Year := L;
end;

procedure TeEdit.KeyPress(var Key: Char);
begin
  inherited;
  if Assigned(FKeyPress) then
    FKeyPress(Self);
  if not (Key in ['0'..'9', #8]) then
    Key := #0;
end;

procedure TComboMonth.CloseUp;
begin
  inherited CloseUp;
  (Parent as TeCalendar).Calendar.Month := Integer(Items.Objects[ItemIndex]);
end;

procedure TComboDay.CloseUp;
begin
  inherited CloseUp;
  (Parent as TeCalendar).Calendar.Day := Integer(Items.Objects[ItemIndex]);
end;

constructor TeCalendar.Create(AOwner: TComponent);
begin
  inherited Create(AOwner);
  Width := 160;
  Height := 144;
  Caption := '';

  FCalendar := TeCustomCalendar.Create(Self);
  FCalendar.Parent := Self as TWinControl;
  FCalendar.SetSubComponent(True);
  FCalendar.Name := 'Calendar';
  FCalendar.Top := 20;
  FCalendar.Left := 2;
  FCalendar.Width := 156;
  FCalendar.Height := 128;

  FEditYear := TeEdit.Create(Self);
  FEditYear.Parent := Self as TWinControl;
  FEditYear.SetSubComponent(True);
  FEditYear.Name := 'EditY';
  FEditYear.Top := 1;
  FEditYear.Left := 2;
  FEditYear.Width := 48;

  FComboMonth := TComboMonth.Create(Self);
  FComboMonth.Parent := Self as TWinControl;
  FComboMonth.SetSubComponent(True);
  FComboMonth.Name := 'ComboM';
  FComboMonth.Text := '';
  FComboMonth.Top := 1;
  FComboMonth.Left := 50;
  FComboMonth.Width := 64;
  FComboMonth.Style := csDropDownList;
  FComboMonth.DropDownCount := 12;

  FComboDay := TComboDay.Create(Self);
  FComboDay.Parent := Self as TWinControl;
  FComboDay.SetSubComponent(True);
  FComboDay.Name := 'ComboD';
  FComboDay.Text := '';
  FComboDay.Top := 1;
  FComboDay.Left := 112;
  FComboDay.Width := 40;
  FComboDay.Style := csDropDownList;
  FComboDay.DropDownCount := 31;

  RePaint;
end;

procedure TeCalendar.Paint;
var
  I:        Integer;
begin
  inherited;
  FEditYear.Text := IntToStr(Calendar.Year);
  FComboMonth.Clear;
  for I:= 1 to 12 do
    FComboMonth.Items.AddObject(ShortMonthNames[I], TObject(I));
  FComboMonth.ItemIndex := Calendar.Month-1;
  FComboDay.Clear;
  for I:= 1 to DaysThisMonth do
    FComboDay.Items.AddObject(IntToStr(I), TObject(I));
  FComboDay.ItemIndex := Calendar.Day-1;
end;

procedure TeCalendar.SetCalendar(const Value: TeCustomCalendar);
begin
  FCalendar.Assign(Value);
  Invalidate;
end;

procedure TeCalendar.SetYear(const Value: TeEdit);
begin
  FEditYear.Assign(Value);
  Invalidate;
end;

procedure TeCalendar.SetMonth(const Value: TComboMonth);
begin
  FComboMonth.Assign(Value);
  Invalidate;
end;

procedure TeCalendar.SetDay(const Value: TComboDay);
begin
  FComboDay.Assign(Value);
  Invalidate;
end;

destructor  TeCalendar.Destroy;
begin
  if Assigned(Calendar) then
    Calendar.Destroy;
  if Assigned(EditYear) then
    EditYear.Destroy;
  if Assigned(ComboMonth) then
    ComboMonth.Destroy;
  if Assigned(ComboDay) then
    ComboDay.Destroy;
  inherited Destroy;
end;

function TeCalendar.IsLeapYear(AYear: Integer): Boolean;
begin
  Result := (AYear mod 4 = 0) and ((AYear mod 100 <> 0) or (AYear mod 400 = 0));
end;

function TeCalendar.DaysPerMonth(AYear, AMonth: Integer): Integer;
const
  DaysInMonth: array[1..12] of Integer = (31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
begin
  Result := DaysInMonth[AMonth];
  if (AMonth = 2) and IsLeapYear(AYear) then Inc(Result); { leap-year Feb is special }
end;

function TeCalendar.DaysThisMonth: Integer;
begin
  Result := DaysPerMonth(Calendar.Year, Calendar.Month);
end;

initialization
  ShortDayNames[1] := 'Mo';
  ShortDayNames[2] := 'Tu';
  ShortDayNames[3] := 'We';
  ShortDayNames[4] := 'Th';
  ShortDayNames[5] := 'Fr';
  ShortDayNames[6] := 'Sa';
  ShortDayNames[7] := 'Su';

end.

emil
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Expert Comment

by:calinutz
ID: 10698983
or try this
http://delphi.icm.edu.pl/ftp/d10free/dlcomponents.zip
Has calendar component unlike borland's
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