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  3. FMessageLogListingViewModel

FMessageLogListingViewModel

The non-UI solution specific presentation logic for a collection of messages for a particular system.

API > API/Developer > API/Developer/MessageLog

The non-UI solution specific presentation logic for a collection of messages for a particular system.

   
Name FMessageLogListingViewModel
Type class
Header File /Engine/Source/Developer/MessageLog/Public/Presentation/MessageLogListingViewModel.h
Include Path #include "Presentation/MessageLogListingViewModel.h"

Syntax

class FMessageLogListingViewModel :  
    public TSharedFromThis< FMessageLogListingViewModel >,  
    public IMessageLogListing

Inheritance Hierarchy

  • TSharedFromThis< FMessageLogListingViewModel > → FMessageLogListingViewModel

Implements Interfaces

Constructors

Name Remarks Include Path Unreal Specifiers

FMessageLogListingViewModel ( TSharedPtr< FMessageLogListingModel > InMessageLogListingModel,
const FText& InLogLabel,
const FMessageLogInitializationOptions& InitializationOptions
)

   Presentation/MessageLogListingViewModel.h  
  Presentation/MessageLogListingViewModel.h  

Destructors

Name Remarks Include Path Unreal Specifiers

~FMessageLogListingViewModel()

   Presentation/MessageLogListingViewModel.h  

Structs

Name Remarks
FOpenNotification All open notifications

Constants

Name Type Remarks Include Path
NextNotificationId int32   Presentation/MessageLogListingViewModel.h

Variables

Protected

Name Type Remarks Include Path Unreal Specifiers
bAllowClear bool Whether we allow the user to clear the log. Presentation/MessageLogListingViewModel.h  
bDiscardDuplicates bool Whether to check for duplicate messages & discard them Presentation/MessageLogListingViewModel.h  
bIsRefreshing bool Tracks if the viewmodel is in the middle of refreshing Presentation/MessageLogListingViewModel.h  
bScrollToBottom bool Whether to scroll to the bottom when messages are added Presentation/MessageLogListingViewModel.h  
bShowFilters bool Whether filters should be shown for this listing Presentation/MessageLogListingViewModel.h  
bShowInLogWindow bool Whether to show this log in the main log window Presentation/MessageLogListingViewModel.h  
bShowPages bool Whether pages should be used/shown for this listing Presentation/MessageLogListingViewModel.h  
ChangedEvent FChangedEvent Delegate to call when model data is changed Presentation/MessageLogListingViewModel.h  
CurrentPageIndex uint32 The currently displayed page index Presentation/MessageLogListingViewModel.h  
FilteredMessages MessageContainer The same list of messages in the model after filtering is applied Presentation/MessageLogListingViewModel.h  
LogLabel FText Label of the listing, displayed to users Presentation/MessageLogListingViewModel.h  
MaxPageCount uint32 The limit on the number of displayed pages for this listing Presentation/MessageLogListingViewModel.h  
MessageFilters TArray< TSharedRef< FMessageFilter > > The array of message filters used on this listing Presentation/MessageLogListingViewModel.h  
MessageLogListingModel TSharedPtr< FMessageLogListingModel > The model we are getting display info from Presentation/MessageLogListingViewModel.h  
OpenNotifications TArray< FOpenNotification >   Presentation/MessageLogListingViewModel.h  
PageSelectionChangedEvent FOnPageSelectionChangedEvent Delegate to call when page selection state is changed Presentation/MessageLogListingViewModel.h  
SelectedFilteredMessages MessageContainer The list of selected messages Presentation/MessageLogListingViewModel.h  
SelectionChangedEvent FOnSelectionChangedEvent Delegate to call when selection state is changed Presentation/MessageLogListingViewModel.h  
TokenClickedEvent IMessageTokenClickedEvent Delegate to call when a token is clicked Presentation/MessageLogListingViewModel.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

virtual void AddMessage ( const TSharedRef< class FTokenizedMessage >& NewMessage,
bool bMirrorToOutputLog
)

 Begin IMessageLogListing interface Presentation/MessageLogListingViewModel.h  

virtual void AddMessages ( const TArray< TSharedRef< class FTokenizedMessage > >& NewMessages,
bool bMirrorToOutputLog
)

   Presentation/MessageLogListingViewModel.h  

bool GetAllowClear()

 Get whether we should show allow the user to clear the log. Presentation/MessageLogListingViewModel.h  

uint32 GetCurrentPageIndex()

 Get the current page index we are viewing Presentation/MessageLogListingViewModel.h  

bool GetDiscardDuplicates()

 Get whether we should discard duplicates or not Presentation/MessageLogListingViewModel.h  

MessageContainer::TConstIterator GetFilteredMessageIterator()

 Obtains a const iterator to the filtered messages Presentation/MessageLogListingViewModel.h  

const TArray< TSharedRef< FTokenizedMessage > > & GetFilteredMessages ()

 Returns the filtered message list Presentation/MessageLogListingViewModel.h  

uint32 GetMaxPageCount()

 Get the maximum page count this log can hold Presentation/MessageLogListingViewModel.h  

const TSharedPtr< FTokenizedMessage > GetMessageAtIndex ( const int32 MessageIndex
) const

 Returns the message at the specified index in the filtered list Presentation/MessageLogListingViewModel.h  

uint32 GetPageCount()

 Get the number of pages we can view Presentation/MessageLogListingViewModel.h  

const FText & GetPageTitle ( const uint32 PageIndex
) const

 Get the title of the page at the specified index Presentation/MessageLogListingViewModel.h  

bool GetScrollToBottom()

 Get whether we should scroll to the bottom when messages are added Presentation/MessageLogListingViewModel.h  

MessageContainer::TConstIterator GetSelectedMessageIterator()

 Obtains a const iterator to the selected filtered messages list Presentation/MessageLogListingViewModel.h  

bool GetShowFilters()

 Get whether we should show filters or not Presentation/MessageLogListingViewModel.h  

bool GetShowPages()

 Get whether we should show pages or not Presentation/MessageLogListingViewModel.h  

virtual void Initialize()

 End IMessageLogListing interface Initializes the FMessageLogListingViewModel for use Presentation/MessageLogListingViewModel.h  

virtual void NewPage ( const FText& Title
)

   Presentation/MessageLogListingViewModel.h  

void NextPage()

 Go to the page at the index after the current Presentation/MessageLogListingViewModel.h  

virtual void NotifyIfAnyMessages ( const FText& Message,
EMessageSeverity::Type SeverityFilter,
bool bForce
)

   Presentation/MessageLogListingViewModel.h  

uint32 NumMessages ()

 Gets the number of messages in the current log page Presentation/MessageLogListingViewModel.h  

virtual int32 NumMessages ( EMessageSeverity::Type SeverityFilter
)

   Presentation/MessageLogListingViewModel.h  

virtual void OnChanged()

 Called when data is changed changed/updated in the model Presentation/MessageLogListingViewModel.h  

void OnFilterChanged()

 Handles updating the viewmodel when one of its filters changes Presentation/MessageLogListingViewModel.h  

virtual void Open()

   Presentation/MessageLogListingViewModel.h  

void PrevPage()

 Go to the page at the index before the current Presentation/MessageLogListingViewModel.h  

void SetAllowClear ( bool bInAllowClear
)

 Set whether we should show allow the user to clear the log. Presentation/MessageLogListingViewModel.h  

virtual void SetCurrentPage ( const FText& Title
)

   Presentation/MessageLogListingViewModel.h  

virtual void SetCurrentPage ( const uint32 InOldPageIndex
)

   Presentation/MessageLogListingViewModel.h  

void SetCurrentPageIndex ( uint32 InCurrentPageIndex
)

 Set the current page index we are viewing Presentation/MessageLogListingViewModel.h  

void SetDiscardDuplicates ( bool bInDiscardDuplicates
)

 Set whether we should discard duplicates or not Presentation/MessageLogListingViewModel.h  

void SetMaxPageCount ( uint32 InMaxPageCount
)

 Set the maximum page count this log can hold Presentation/MessageLogListingViewModel.h  

void SetScrollToBottom ( bool bInScrollToBottom
)

 Set whether we should scroll to the bottom when messages are added Presentation/MessageLogListingViewModel.h  

void SetShowFilters ( bool bInShowFilters
)

 Set whether we should show filters or not Presentation/MessageLogListingViewModel.h  

void SetShowPages ( bool bInShowPages
)

 Set whether we should show pages or not Presentation/MessageLogListingViewModel.h  

bool ShouldShowInLogWindow()

 Get whether to show this log in the main log window Presentation/MessageLogListingViewModel.h  

Overridden from IMessageLogListing

Name Remarks Include Path Unreal Specifiers

virtual void ClearMessages()

 Clears messages (if paged, in the current page) Presentation/MessageLogListingViewModel.h  

virtual void ClearSelectedMessages()

 Clears the message selection Presentation/MessageLogListingViewModel.h  

virtual void ExecuteToken ( const TSharedRef< class IMessageToken >& Token
) const

 Performs an operation depending on the token (execute hyperlink etc.) Presentation/MessageLogListingViewModel.h  

virtual FString GetAllMessagesAsString()

 Gets all the unfiltered messages as a single piece of text Presentation/MessageLogListingViewModel.h  

virtual const TArray< TSharedRef< class FTokenizedMessage > > & GetFilteredMessages ()

 Gets a list of the filtered messages for the specific log listing Presentation/MessageLogListingViewModel.h  

virtual const FText & GetLabel()

 Gets the message log listing label Presentation/MessageLogListingViewModel.h  

virtual const TArray< TSharedRef< FMessageFilter > > & GetMessageFilters()

 Gets the set of message filters used when displaying messages Presentation/MessageLogListingViewModel.h  

virtual const FName & GetName()

 Gets the message log listing unique name Presentation/MessageLogListingViewModel.h  

virtual const TArray< TSharedRef< class FTokenizedMessage > > & GetSelectedMessages()

 Gets a list of the selected messages for the specific log listing Presentation/MessageLogListingViewModel.h  

virtual FString GetSelectedMessagesAsString()

 Gets all the unfiltered selected messages as a single piece of text Presentation/MessageLogListingViewModel.h  

virtual void InvertSelectedMessages()

 Inverts the message selection Presentation/MessageLogListingViewModel.h  

virtual bool IsMessageSelected ( const TSharedRef< class FTokenizedMessage >& Message
) const

 Get the message selection state Presentation/MessageLogListingViewModel.h  

virtual IMessageLogListing::FChangedEvent & OnDataChanged()

   Presentation/MessageLogListingViewModel.h  

virtual IMessageLogListing::IMessageTokenClickedEvent & OnMessageTokenClicked()

   Presentation/MessageLogListingViewModel.h  

virtual IMessageLogListing::FOnPageSelectionChangedEvent & OnPageSelectionChanged()

   Presentation/MessageLogListingViewModel.h  

virtual IMessageLogListing::FOnSelectionChangedEvent & OnSelectionChanged()

   Presentation/MessageLogListingViewModel.h  

virtual void SelectMessage ( const TSharedRef< class FTokenizedMessage >& Message,
bool bSelected
)

 Set the message selection state Presentation/MessageLogListingViewModel.h  

virtual void SelectMessages ( const TArray< TSharedRef< class FTokenizedMessage > >& InSelectedMessages
)

 Sets multiple selected messages Presentation/MessageLogListingViewModel.h  

virtual void SetLabel ( const FText& InLogLabel
)

 Sets the message log listing label Presentation/MessageLogListingViewModel.h  

Static

Name Remarks Include Path Unreal Specifiers

static TSharedRef< FMessageLogListingViewModel > Create ( const TSharedRef< FMessageLogListingModel >& InMessageLogListingModel,
const FText& InLogLabel,
const FMessageLogInitializationOptions& InitializationOptions
)

 Factory method which creates a new FMessageLogListingViewModel object Presentation/MessageLogListingViewModel.h  

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