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| ///////////////////////////////////////////////////////////////////////////
// //
// Copyright (c) 2015 by Charta Software B.V. //
// All rights reserved //
// //
// Version: 1.7.0.83525 //
// Web site: https://pascal.chartasoftware.com/ //
// //
// This code and information are provided "as is" without warranty of //
// any kind. Dissemination of this information or reproduction of //
// this material is strictly forbidden unless prior written permission //
// is obtained from Charta Software B.V.. //
// //
///////////////////////////////////////////////////////////////////////////
unit Event;
interface
type
TEvent = class(TObject)
public
function GetSender(): TObject; virtual; abstract;
end;
TObjectEvent = class(TEvent)
public
Object_: TObject;
constructor Create(Object_: TObject); virtual;
function GetSender(): TObject; override;
end;
TChangedEvent = class(TObjectEvent);
TRemovedEvent = class(TObjectEvent);
TAddedEvent = class(TObjectEvent)
public
Element: TObject;
constructor Create(Object_: TObject; Element: TObject); reintroduce; virtual;
end;
TWillBeFreedEvent = class(TObjectEvent);
implementation
{ TObjectEvent }
constructor TObjectEvent.Create(Object_: TObject);
begin
inherited Create();
Self.Object_ := Object_;
end;
function TObjectEvent.GetSender(): TObject;
begin
Result := Object_;
end;
{ TAddedEvent }
constructor TAddedEvent.Create(Object_: TObject; Element: TObject);
begin
inherited Create(Object_);
Self.Element := Element;
end;
end.
|