teeaxmaxmin.pas

来自「Delphi TeeChartPro.6.01的源代码」· PAS 代码 · 共 97 行

{**********************************************}
{   TAxisMaxMin Dialog Editor                  }
{   Copyright (c) 1996-2003 David Berneda      }
{**********************************************}
unit TeeAxMaxMin;
{$I TeeDefs.inc}

interface

uses
  {$IFNDEF LINUX}
  Windows, Messages,
  {$ENDIF}
  {$IFDEF CLX}
  QGraphics, QControls, QForms, QDialogs, QStdCtrls,
  {$ELSE}
  Graphics, Controls, Forms, Dialogs, StdCtrls,
  {$ENDIF}
  Classes, SysUtils;

type
  TAxisMaxMin = class(TForm)
    BitBtn1: TButton;
    BitBtn2: TButton;
    EMaximum: TEdit;
    EMinimum: TEdit;
    Label1: TLabel;
    Label2: TLabel;
    procedure FormShow(Sender: TObject);
    procedure BitBtn1Click(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    IsDateTime : Boolean;
    MaxMin     : Double;
  end;

implementation

{$IFNDEF CLX}
{$R *.DFM}
{$ELSE}
{$R *.xfm}
{$ENDIF}

Uses TeeProcs, TeeConst, TeeAxisIncr;

procedure TAxisMaxMin.FormShow(Sender: TObject);
begin
  if IsDateTime then
  Begin
    if MaxMin>=1 then EMaximum.Text:=DateToStr(MaxMin)
                 else
                 Begin
                   Label1.Visible:=False;
                   EMaximum.Visible:=False;
                 end;
    EMinimum.Text:=TimeToStr(MaxMin);
  end
  else
  begin
    EMaximum.Hint:='';
    EMinimum.Hint:='';
    Label1.Caption:='Value:'; // <-- do not translate
    EMaximum.Text:=FloatToStr(MaxMin);
    Label2.Visible:=False;
    EMinimum.Visible:=False;
  end;
end;

procedure TAxisMaxMin.BitBtn1Click(Sender: TObject);
begin
  try
    if IsDateTime then
    begin
      if EMaximum.Visible then
         MaxMin:=StrToDateTime(EMaximum.Text+' '+EMinimum.Text)
      else
         MaxMin:=StrToTime(EMinimum.Text);
    end
    else MaxMin:=StrToFloat(EMaximum.Text);
    ModalResult:=mrOk;
  except
    on E:Exception do TeeShowIncorrect(E.Message);
  end;
end;

procedure TAxisMaxMin.FormCreate(Sender: TObject);
begin
  BorderStyle:=TeeBorderStyle;
end;

end.