unit FrameDateTimeSel;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,
  System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, cxGraphics,
  cxControls, cxLookAndFeels, cxLookAndFeelPainters, cxContainer, cxEdit,
  Vcl.ComCtrls, dxCore, cxDateUtils,  
   cxTextEdit, cxMaskEdit, cxDropDownEdit, cxCalendar, Vcl.StdCtrls,
  Vcl.Menus, cxButtons, Vcl.ExtCtrls, DateUtils,  
      
     
     
     
    
    
    
    
    
    
     
      
     
   
    
   cxSpinEdit, cxTimeEdit;

type
  TfrmFrameDateTimeSel = class(TFrame)
    lbl1: TLabel;
    lbl2: TLabel;
    BegDate: TcxDateEdit;
    EndDate: TcxDateEdit;
    cxButton1: TcxButton;
    cxButton2: TcxButton;
    cxButton3: TcxButton;
    cbbType: TcxComboBox;
    cxButton4: TcxButton;
    cxButton5: TcxButton;
    BegTime: TcxTimeEdit;
    EndTime: TcxTimeEdit;
    procedure cxButton4Click(Sender: TObject);
    procedure cxButton1Click(Sender: TObject);
    procedure cxButton5Click(Sender: TObject);
    procedure cxButton2Click(Sender: TObject);
    procedure cxButton3Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

implementation

//uses
//  U_RTFun;
{$R *.dfm}

procedure TfrmFrameDateTimeSel.cxButton1Click(Sender: TObject);
begin
  BegDate.Date := StartOfTheMonth(strToDate(FormatDateTime('yyyy-MM-dd', Now)));
  EndDate.Date := EndOfTheMonth(strToDate(FormatDateTime('yyyy-MM-dd', Now)));
end;

procedure TfrmFrameDateTimeSel.cxButton2Click(Sender: TObject);
begin
  if cbbType.Text = '日' then
  begin
    BegDate.Date := BegDate.Date - 1;
    EndDate.Date := EndDate.Date - 1;
  end;
  if cbbType.Text = '月' then
  begin
    BegDate.Date := StartOfTheMonth(StartOfTheMonth(EndDate.Date) - 1);
    EndDate.Date := EndOfTheMonth(StartOfTheMonth(EndDate.Date) - 1);
  end;
  if cbbType.Text = '年' then
  begin
    BegDate.Date := StartOfTheMonth(strToDate(FormatDateTime('yyyy-01-01', strToDate(FormatDateTime('yyyy-01-01', EndDate.Date)) - 1)));
    EndDate.Date := EndOfTheMonth(strToDate(FormatDateTime('yyyy-12-01', BegDate.Date)));
  end;
end;

procedure TfrmFrameDateTimeSel.cxButton3Click(Sender: TObject);
begin
  if cbbType.Text = '日' then
  begin
    BegDate.Date := BegDate.Date + 1;
    EndDate.Date := EndDate.Date + 1;
  end;
  if cbbType.Text = '月' then
  begin
    BegDate.Date := EndOfTheMonth(EndDate.Date) + 1;
    EndDate.Date := EndOfTheMonth(EndOfTheMonth(EndDate.Date) + 1);
  end;
  if cbbType.Text = '年' then
  begin
    BegDate.Date := StartOfTheMonth(strToDate(FormatDateTime('yyyy-01-01', strToDate(FormatDateTime('yyyy-12-31', EndDate.Date)) + 1)));
    EndDate.Date := EndOfTheMonth(strToDate(FormatDateTime('yyyy-12-01', BegDate.Date)));
  end;
end;

procedure TfrmFrameDateTimeSel.cxButton4Click(Sender: TObject);
begin
  BegDate.Date := strToDate(FormatDateTime('yyyy-MM-dd', Now));
  EndDate.Date := strToDate(FormatDateTime('yyyy-MM-dd', Now));
end;

procedure TfrmFrameDateTimeSel.cxButton5Click(Sender: TObject);
begin
  BegDate.Date := StartOfTheMonth(strToDate(FormatDateTime('yyyy-01-01', Now)));
  EndDate.Date := EndOfTheMonth(strToDate(FormatDateTime('yyyy-12-01', Now)));
end;

end.