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{
*****************************************************************************
See the file COPYING.modifiedLGPL.txt, included in this distribution,
for details about the license.
*****************************************************************************
Author: Mattias Gaertner
Abstract:
Example for RTTI controls.
Demonstrates, how to define a custom class with custom types and connecting
it to RTTI controls.
}
unit Example2;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LCLProc, LResources, TypInfo, Forms, Controls, Graphics,
Dialogs, RTTICtrls, StdCtrls;
type
TMyEnum = (MyEnum1,MyEnum2,MyEnum3);
TMyRange = 3..7;
TMyClass = class(TPersistent)
private
FMyEnum: TMyEnum;
FMyRange: TMyRange;
FMyString: string;
procedure SetMyEnum(const AValue: TMyEnum);
procedure SetMyRange(const AValue: TMyRange);
procedure SetMyString(const AValue: string);
published
property MyString: string read FMyString write SetMyString;
property MyEnum: TMyEnum read FMyEnum write SetMyEnum;
property MyRange: TMyRange read FMyRange write SetMyRange;
end;
TForm1 = class(TForm)
GroupBox1: TGroupBox;
GroupBox2: TGroupBox;
Memo1: TMemo;
TIEdit1: TTIEdit;
TIRadioGroup1: TTIRadioGroup;
TITrackBar1: TTITrackBar;
procedure Form1Create(Sender: TObject);
procedure Form1Destroy(Sender: TObject);
private
{ private declarations }
public
{ public declarations }
MyObject: TMyClass;
end;
var
Form1: TForm1;
procedure Log(const Msg: string);
implementation
{$R example2.lfm}
procedure Log(const Msg: string);
begin
Form1.Memo1.Lines.Add(Msg);
end;
{ TForm1 }
procedure TForm1.Form1Create(Sender: TObject);
begin
// create MyObject
MyObject:=TMyClass.Create;
// link properties
TIEdit1.Link.SetObjectAndProperty(MyObject,'MyString');
TIRadioGroup1.Link.SetObjectAndProperty(MyObject,'MyEnum');
TITrackBar1.Link.SetObjectAndProperty(MyObject,'MyRange');
end;
procedure TForm1.Form1Destroy(Sender: TObject);
begin
// unlink properties
TIEdit1.Link.TIObject:=nil;
TIRadioGroup1.Link.TIObject:=nil;
TITrackBar1.Link.TIObject:=nil;
// free MyObject
MyObject.Free;
end;
{ TMyClass }
procedure TMyClass.SetMyEnum(const AValue: TMyEnum);
begin
if AValue=MyEnum then exit;
FMyEnum:=AValue;
Log('TMyClass.SetMyEnum '+GetEnumProp(Self,'MyEnum'));
end;
procedure TMyClass.SetMyRange(const AValue: TMyRange);
begin
if AValue=MyRange then exit;
FMyRange:=AValue;
Log('TMyClass.SetMyRange '+IntToStr(MyRange));
end;
procedure TMyClass.SetMyString(const AValue: string);
begin
if AValue=MyString then exit;
FMyString:=AValue;
Log('TMyClass.SetMyString '+MyString);
end;
end.
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