TMediatorManager¶
Central manager for registering and finding mediator definitions
Declaration¶
Source position: fpobserver.pp line 367
type
TMediatorManager = class(TObject)
public
constructor Create;
destructor Destroy;
function FindDefFor(ASubject: TObject; AGui: TComponent) : TMediatorDef; overload;
function FindDefFor(ASubject: TObject; AGui: TComponent;
const APropName: string) : TMediatorDef; overload;
function FindDefFor(ASubject: TObject; AGui: TComponent;
APropInfo: PPropInfo) : TMediatorDef; overload;
function RegisterMediator(MediatorClass: TMediatorClass;
MinSubjectClass: TClass) : TMediatorDef; overload;
function RegisterMediator(MediatorClass: TMediatorClass;
MinSubjectClass: TClass;
const PropertyName: string) : TMediatorDef; overload;
function RegisterMediator(MediatorClass: TMediatorClass;
MinSubjectClass: TClass;
PropertyTypes: TTypeKinds) : TMediatorDef; overload;
property Defs: TMediatorDefs; {r}
end;
Inheritance¶
Description¶
The TMediatorManager class provides centralized registration and lookup of mediator definitions. It allows registration of mediator classes with specific requirements and automatically finds the best matching mediator for given subject/GUI combinations.
The manager uses a collection of mediator definitions to evaluate compatibility and select the most appropriate mediator based on class hierarchies, property types, and property names.
Properties¶
| Member | Visibility | Description |
|---|---|---|
| Defs read only | public | Collection of registered mediator definitions |
Methods¶
| Member | Visibility | Description |
|---|---|---|
| Create | public | Creates the mediator manager with empty definition collection |
| Destroy | public | Destroys the manager and its definition collection |
| FindDefFor | public | Finds the best mediator definition for given parameters |
| RegisterMediator | public | Registers a new mediator class with the manager |