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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 Object_.Model;
interface
uses
Boolean,
Integer._32,
Object_.Base,
Object_.ReferenceCounted,
Text,
TypedValue,
Value;
type
TObjectMember = class(TValue)
private
FValue: TTypedValue;
procedure SetValue(const Value: TTypedValue);
public
Object_: TObject;
Name: TText;
ShowValue: TBoolean;
constructor Create(const Name: TText; ShowValue: TBoolean = True); reintroduce; virtual;
destructor Destroy(); override;
function Equals(Object_: TBaseObject): TBoolean; override;
function ToText(): TText; override;
property Value: TTypedValue read FValue write SetValue;
end;
TObjectModel = class(TReferenceCountedObject)
public
function GetMemberCount(): TInteger32; virtual; abstract;
function GetMember(Index: TInteger32): TObjectMember; virtual; abstract;
procedure SetMember(Index: TInteger32; Value: TValue); virtual;
end;
implementation
{ TObjectMember }
constructor TObjectMember.Create(const Name: TText; ShowValue: TBoolean = True);
begin
inherited Create();
Self.Name := Name;
Self.ShowValue := ShowValue;
end;
destructor TObjectMember.Destroy();
begin
Value.ReleaseReference();
inherited Destroy();
end;
function TObjectMember.Equals(Object_: TBaseObject): TBoolean;
var
ObjectMember: TObjectMember;
begin
Result := Object_ is TObjectMember;
if Result then
begin
ObjectMember := Object_ as TObjectMember;
Result := TBaseObject.EqualObjects(Self.Object_, ObjectMember.Object_) and (Self.Name = ObjectMember.Name);
end;
end;
procedure TObjectMember.SetValue(const Value: TTypedValue);
begin
if Value <> Self.Value then
begin
Value.AddReference();
Self.Value.ReleaseReference();
FValue := Value;
end;
end;
function TObjectMember.ToText(): TText;
begin
Result := Name;
if ShowValue then
Result := Result + ': ' + Value.Value.ToText();
end;
{ TObjectModel }
procedure TObjectModel.SetMember(Index: TInteger32; Value: TValue);
begin
end;
end.
|