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TColumnsListMediator class

In unit fpObserver

List mediator supporting multiple columns with field configuration

Declaration

pascal
TColumnsListMediator = class(TBaseListMediator)

Inheritance

  1. TColumnsListMediator
  2. TBaseListMediator
  3. TBaseMediator
  4. TComponent
  5. TPersistent
  6. TObject

Description

The TColumnsListMediator class extends TBaseListMediator to support multi-column list displays. It manages a collection of field information objects that define the properties, captions, widths, and alignments for each column.

This class provides the foundation for list controls that display multiple properties of each object in a tabular format, such as list views or grids.

See also

Properties

DisplayNamespublicConvenient string format for setting column properties
FieldsInfopublishedCollection of field information for column display configuration

Methods

PublishedSubjectPropertyprotected
ParseDisplayNamesprotected
CreateColumnsprotected
DoObjectToViewprotected
CreatepublicCreates a columns list mediator with field info collection
DestroypublicDestroys the columns mediator and field info collection

Inherited

From TBaseListMediator (16)

AddObject CompositeMediator CreateItemMediator CreateSubMediators DoDeleteItemMediator DoViewToObject FindObjectMediator GetSelectedObject MediatorList ObservedChanged OnBeforeSetupField PublishedViewProperty SelectedObject SetActive SetSelectedObject SetSubject

From TBaseMediator (24)

Active CheckPropertyName CheckViewSubject FPOObservedChanged GetView MaybeObjectToView MaybeViewToObject ObjectToView OnObjectToView OnViewToObject RaiseMediatorError ReadOnly SetSubjectPropertyName Subject SubjectPropertyName Transferring Valuelist ValuelistChanged View ViewChanged ViewChangedHandler ViewClass ViewPropertyName ViewToObject

From TComponent (74)

_AddRef _Release BeforeDestruction CanObserve ChangeName ComObject ComponentCount ComponentIndex Components ComponentState ComponentStyle DefineProperties DesignInfo DestroyComponents Destroying ExecuteAction FindComponent FreeNotification FreeOnRelease GetChildOwner GetChildParent GetChildren GetDeltaStreams GetEnumerator GetIDsOfNames GetNamePath GetObservers GetOwner GetParentComponent GetTypeInfo GetTypeInfoCount HasParent iicrGetComponent InsertComponent Invoke IsImplementorOf Loaded Loading Name Notification ObserverAdded Observers OnGetDeltaStreams Owner PaletteCreated QueryInterface ReadDeltaState ReadDeltaStream ReadState ReferenceInterface RemoveComponent RemoveFreeNotification RemoveFreeNotifications SafeCallException SetAncestor SetChildOrder SetDesigning SetDesignInstance SetInline SetName SetParentComponent SetSubComponent Tag ToString TToStringNameMode UpdateAction Updated UpdateRegistry Updating ValidateContainer ValidateInsert ValidateRename VCLComObject WriteState

From TPersistent (5)

Assign AssignTo FPOAttachObserver FPODetachObserver FPONotifyObservers

From TObject (37)

AfterConstruction CheckDisposed ClassInfo ClassName ClassNameIs ClassParent ClassType CleanupInstance DefaultHandler DefaultHandlerStr Dispatch DispatchStr Disposed DisposeOf Equals FieldAddress Free FreeInstance GetDisposed GetHashCode GetInterface GetInterfaceByStr GetInterfaceEntry GetInterfaceEntryByStr GetInterfaceTable GetInterfaceWeak GetLastCastErrorInfo InheritsFrom InitInstance InstanceSize MethodAddress MethodName newinstance QualifiedClassName StringMessageTable SystemHasExtendedRTTI UnitName

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.