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51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
// Copyright 1998-2018 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Model/MessageLogListingModel.h"
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/**
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* Holds a series of message log listings that can be written to.
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*/
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class FMessageLogModel
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{
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public:
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/** Destructor */
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virtual ~FMessageLogModel();
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/** Unregisters a log listing with the message log system, true if successful */
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bool UnregisterLogListingModel( const FName& LogName );
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/** Checks to see if a log listing is already registered with the system */
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bool IsRegisteredLogListingModel( const FName& LogName ) const;
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/** Gets a log listing, if it does not exist it is created. */
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TSharedRef< class FMessageLogListingModel > GetLogListingModel( const FName& LogName );
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/** Broadcasts whenever a message log listing is added or removed */
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DECLARE_EVENT( FMessageLogModel, FChangedEvent )
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FChangedEvent& OnChanged() { return ChangedEvent; }
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protected:
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/** Will broadcast to all registered observers informing them of a change */
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virtual void Notify() { ChangedEvent.Broadcast(); }
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private:
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/** Registers a log listing with the message log system, true if successful */
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TSharedRef< class FMessageLogListingModel > RegisterOrGetLogListingModel( const FName& LogName );
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/** Finds the LogListing Model, given its name. Returns null if not found. */
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TSharedPtr< class FMessageLogListingModel > FindLogListingModel( const FName& LogName ) const;
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private:
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/** A map from a log listings' Name->Model */
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TMap< FName, TSharedPtr< class FMessageLogListingModel > > NameToModelMap;
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/** The event that broadcasts whenever data is changed */
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FChangedEvent ChangedEvent;
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};
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