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Brandyn / Techy fcc1b09210 init
2026-04-04 15:40:51 -05:00

902 lines
30 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "FindInMetasound.h"
#include "Framework/Application/SlateApplication.h"
#include "Layout/WidgetPath.h"
#include "MetasoundEditorGraph.h"
#include "MetasoundEditorGraphBuilder.h"
#include "MetasoundEditorGraphInputNode.h"
#include "MetasoundEditorModule.h"
#include "MetasoundFrontendDocumentBuilder.h"
#include "MetasoundSettings.h"
#include "Styling/AppStyle.h"
#include "Widgets/Images/SImage.h"
#include "Widgets/Input/SSearchBox.h"
#define LOCTEXT_NAMESPACE "MetasoundEditor"
namespace Metasound::Editor
{
namespace FindInMetaSoundPrivate
{
/** Get the string for the pin's enum value, empty string if not enum type */
FString GetEnumPinValueString(const UEdGraphPin& EnumPin)
{
using namespace Metasound::Frontend;
if (const UMetasoundEditorGraphNode* MetaSoundNode = Cast<UMetasoundEditorGraphNode>(EnumPin.GetOwningNode()))
{
const FMetaSoundFrontendDocumentBuilder& DocBuilder = MetaSoundNode->GetBuilderChecked().GetConstBuilder();
if (const FMetasoundFrontendVertex* Vertex = FGraphBuilder::GetPinVertex(DocBuilder, &EnumPin))
{
FDataTypeRegistryInfo Info;
if (IDataTypeRegistry::Get().GetDataTypeInfo(Vertex->TypeName, Info))
{
if (Info.bIsEnum)
{
TSharedPtr<const Frontend::IEnumDataTypeInterface> EnumInterface = IDataTypeRegistry::Get().GetEnumInterfaceForDataType(Vertex->TypeName);
if (EnumInterface)
{
FMetasoundFrontendLiteral DefaultLiteral;
FGraphBuilder::GetPinLiteral(EnumPin, DefaultLiteral);
if (DefaultLiteral.IsValid())
{
const int32 EnumValue = FCString::Atoi(*DefaultLiteral.ToString());
const TOptional<FName> EnumName = EnumInterface->ToName(EnumValue);
if (EnumName.IsSet())
{
return EnumName->ToString();
}
}
}
}
}
}
}
return FString();
}
/** Get the string describing the member's literal value. */
FString GetMemberLiteralString(const UMetasoundEditorGraphMember* Member, bool bUseFullValueString)
{
using namespace Metasound::Frontend;
FString LiteralString;
const bool bIsDefaultPaged = Member->IsDefaultPaged();
const UMetaSoundSettings* Settings = GetDefault<UMetaSoundSettings>();
check(Settings);
auto GetPageName = [&Settings](const FGuid& PageID)
{
const FMetaSoundPageSettings* Page = Settings->FindPageSettings(PageID);
if (Page)
{
return Page->Name.ToString();
}
return LOCTEXT("FindMetasound_InvalidPage", "Invalid Page").ToString();
};
// Enum interface for converting int value to enum string
TSharedPtr<const Frontend::IEnumDataTypeInterface> EnumInterface;
FDataTypeRegistryInfo Info;
if (IDataTypeRegistry::Get().GetDataTypeInfo(Member->GetDataType(), Info))
{
if (Info.bIsEnum)
{
EnumInterface = IDataTypeRegistry::Get().GetEnumInterfaceForDataType(Member->GetDataType());
}
}
Member->GetLiteral()->IterateDefaults([&LiteralString, bIsDefaultPaged, &GetPageName, bUseFullValueString, &EnumInterface](const FGuid& PageId, FMetasoundFrontendLiteral Literal)
{
if (bIsDefaultPaged)
{
LiteralString += FText::Format(LOCTEXT("FindMetasound_PageFormat", "{0} Page: "), FText::FromString(GetPageName(PageId))).ToString();
}
if (bUseFullValueString)
{
if (EnumInterface)
{
int32 Value;
Literal.TryGet(Value);
LiteralString += EnumInterface->ToName(Value)->ToString();
}
else
{
LiteralString += Literal.ToString();
}
}
// Shortened strings for certain types
else
{
if (Literal.IsArray())
{
// Don't list array contents (only show on tooltip to save space)
LiteralString += FText::Format(LOCTEXT("FindMetasound_ArrayNumDescriptionFormat", "({0} element array)"), Literal.GetArrayNum()).ToString();
}
else if (Literal.GetType() == EMetasoundFrontendLiteralType::UObject)
{
UObject* Object = nullptr;
Literal.TryGet(Object);
if (Object)
{
// Get a shorter name than ToString (which is LexToString)
FString ObjectName;
Object->GetName(ObjectName);
LiteralString += ObjectName;
}
else
{
LiteralString += LOCTEXT("FindMetasound_NoneObject", "(None Object)").ToString();
}
}
else if (EnumInterface)
{
int32 Value;
Literal.TryGet(Value);
LiteralString += EnumInterface->ToName(Value)->ToString();
}
else
{
LiteralString += Literal.ToString();
}
}
LiteralString += "\n";
});
// Remove last "\n" if needed
LiteralString.RemoveFromEnd("\n");
return LiteralString;
}
}
FFindInMetasoundResult::FFindInMetasoundResult(const FString& InResultName)
:Value(InResultName), DuplicationIndex(0), Class(nullptr), Pin(), GraphNode(nullptr)
{
}
FFindInMetasoundResult::FFindInMetasoundResult(const FString& InResultName, TSharedPtr<FFindInMetasoundResult>& InParent, UClass* InClass, int InDuplicationIndex)
: Parent(InParent), Value(InResultName), DuplicationIndex(InDuplicationIndex), Class(InClass), Pin(), GraphNode(nullptr)
{
ValueText = GetValueText();
}
FFindInMetasoundResult::FFindInMetasoundResult(const FString& InResultName, TSharedPtr<FFindInMetasoundResult>& InParent, UEdGraphPin* InPin)
: Parent(InParent), Value(InResultName), DuplicationIndex(0), Class(nullptr), Pin(InPin), GraphNode(nullptr)
{
ValueText = GetValueText();
}
FFindInMetasoundResult::FFindInMetasoundResult(const FString& InResultName, TSharedPtr<FFindInMetasoundResult>& InParent, UEdGraphNode* InNode)
: Parent(InParent), Value(InResultName), DuplicationIndex(0), Class(InNode->GetClass()), Pin(), GraphNode(InNode)
{
if (GraphNode.IsValid())
{
CommentText = GraphNode->NodeComment;
}
ValueText = GetValueText();
}
FReply FFindInMetasoundResult::OnClick(TWeakPtr<class FEditor> MetaSoundEditor)
{
if (GraphNode.IsValid())
{
MetaSoundEditor.Pin()->GetGraphEditor()->JumpToNode(GraphNode.Get());
}
else if (UEdGraphPin* ResolvedPin = Pin.Get())
{
MetaSoundEditor.Pin()->GetGraphEditor()->JumpToPin(ResolvedPin);
}
return FReply::Handled();
}
FText FFindInMetasoundResult::GetCategory() const
{
if (Class == nullptr && Pin.Get())
{
return LOCTEXT("FindMetasound_PinCategory", "Pin");
}
return LOCTEXT("FindMetasound_NodeCategory", "Node");
}
TSharedRef<SWidget> FFindInMetasoundResult::CreateIcon() const
{
FSlateColor IconColor = FSlateColor::UseForeground();
const FSlateBrush* Brush = nullptr;
bool bIsPin = false;
if (const UEdGraphPin* ResolvedPin = Pin.Get())
{
bIsPin = true;
if (const UMetasoundEditorGraphNode* Node = Cast<UMetasoundEditorGraphNode>(ResolvedPin->GetOwningNode()))
{
// Get data type and constructor pin status
FName DataTypeName;
bool bIsConstructorPin = false;
if (const UMetasoundEditorGraphMember* Member = GetMetaSoundGraphMember(Node))
{
DataTypeName = Member->GetDataType();
if (const UMetasoundEditorGraphVertex* Vertex = Cast<UMetasoundEditorGraphVertex>(Member))
{
bIsConstructorPin = Vertex->GetVertexAccessType() == EMetasoundFrontendVertexAccessType::Value;
}
}
else if (const UMetasoundEditorGraphExternalNode* ExternalNode = Cast<UMetasoundEditorGraphExternalNode>(Node))
{
if (ResolvedPin->Direction == EGPD_Input)
{
const FMetaSoundFrontendDocumentBuilder& DocBuilder = FGraphBuilder::GetBuilderFromPinChecked(*ResolvedPin).GetConstBuilder();
FMetasoundFrontendVertexHandle InputVertexHandle = FGraphBuilder::GetPinVertexHandle(DocBuilder, ResolvedPin);
check(InputVertexHandle.IsSet());
const FMetasoundFrontendVertex* InputVertex = DocBuilder.FindNodeInput(InputVertexHandle.NodeID, InputVertexHandle.VertexID);
check(InputVertex);
DataTypeName = InputVertex->TypeName;
bIsConstructorPin = DocBuilder.GetNodeInputAccessType(InputVertexHandle.NodeID, InputVertexHandle.VertexID) == EMetasoundFrontendVertexAccessType::Value;
}
else if (ResolvedPin->Direction == EGPD_Output)
{
const FMetaSoundFrontendDocumentBuilder& DocBuilder = FGraphBuilder::GetBuilderFromPinChecked(*ResolvedPin).GetConstBuilder();
FMetasoundFrontendVertexHandle OutputVertexHandle = FGraphBuilder::GetPinVertexHandle(DocBuilder, ResolvedPin);
check(OutputVertexHandle.IsSet());
const FMetasoundFrontendVertex* OutputVertex = DocBuilder.FindNodeOutput(OutputVertexHandle.NodeID, OutputVertexHandle.VertexID);
check(OutputVertex);
DataTypeName = OutputVertex->TypeName;
bIsConstructorPin = DocBuilder.GetNodeOutputAccessType(OutputVertexHandle.NodeID, OutputVertexHandle.VertexID) == EMetasoundFrontendVertexAccessType::Value;
}
}
// Get brush
const IMetasoundEditorModule& EditorModule = FModuleManager::GetModuleChecked<IMetasoundEditorModule>("MetaSoundEditor");
Brush = EditorModule.GetIconBrush(DataTypeName, bIsConstructorPin);
}
else
{
Brush = FAppStyle::GetBrush(TEXT("GraphEditor.PinIcon"));
}
// Get color
const UEdGraphSchema* Schema = ResolvedPin->GetSchema();
IconColor = Schema->GetPinTypeColor(ResolvedPin->PinType);
}
else if (GraphNode.IsValid())
{
if (UMetasoundEditorGraphNode* MetaSoundGraphNode = Cast<UMetasoundEditorGraphNode>(GraphNode))
{
// Variable nodes do not have a node title icon or color,
// so use generic one and corresponding pin type color
if (UMetasoundEditorGraphVariableNode* MetaSoundGraphVariableNode = Cast<UMetasoundEditorGraphVariableNode>(MetaSoundGraphNode))
{
Brush = FAppStyle::GetBrush(TEXT("Kismet.AllClasses.VariableIcon"));
UEdGraphPin* FirstPin = MetaSoundGraphVariableNode->GetPinAt(0);
if (FirstPin)
{
const UEdGraphSchema* Schema = FirstPin->GetSchema();
IconColor = Schema->GetPinTypeColor(FirstPin->PinType);
}
}
else
{
Brush = MetaSoundGraphNode->GetNodeTitleIcon().GetIcon();
IconColor = GraphNode->GetNodeTitleColor();
}
}
else
{
Brush = FAppStyle::GetBrush(TEXT("GraphEditor.NodeGlyph"));
}
}
static const FVector2D IconSize16 = FVector2D(16.0f, 16.0f);
TOptional<FVector2D> BrushSize = bIsPin ? IconSize16 : TOptional<FVector2D>();
return SNew(SImage)
.Image(Brush)
.ColorAndOpacity(IconColor)
.ToolTipText(GetCategory())
.DesiredSizeOverride(BrushSize);
}
FString FFindInMetasoundResult::GetCommentText() const
{
return CommentText;
}
FText FFindInMetasoundResult::GetValueText()
{
if (!ValueText.IsEmpty())
{
return ValueText;
}
bool bIsOverriddenLiteral = false;
// Try to get corresponding member
const UEdGraphPin* ResolvedPin = Pin.Get();
const UMetasoundEditorGraphMemberNode* MemberNode = Cast<UMetasoundEditorGraphMemberNode>(GraphNode);
if (!MemberNode && ResolvedPin)
{
MemberNode = Cast<UMetasoundEditorGraphMemberNode>(ResolvedPin->GetOwningNode());
}
// Get value from member literal
if (const UMetasoundEditorGraphMember* Member = GetMetaSoundGraphMember(MemberNode))
{
// Don't show boolean value for triggers
if (Member->GetDataType() != GetMetasoundDataTypeName<FTrigger>())
{
// Only list number of items for arrays to avoid string issues
FMetaSoundFrontendDocumentBuilder& DocBuilder = Member->GetFrontendBuilderChecked();
// Don't show full object names and array contents
ValueText = FText::FromString(FindInMetaSoundPrivate::GetMemberLiteralString(Member, /*bUseFullValueString=*/false));
// Check if input is an overridden default value (for presets)
if (const UMetasoundEditorGraphInput* Input = Cast<UMetasoundEditorGraphInput>(Member))
{
if (DocBuilder.IsPreset())
{
const TSet<FName>* InputsInheritingDefault = DocBuilder.GetGraphInputsInheritingDefault();
FName NodeName = Input->GetMemberName();
if (InputsInheritingDefault && !InputsInheritingDefault->Contains(NodeName))
{
bIsOverriddenLiteral = true;
}
}
}
// Don't show default value if variable mutator node is connected
if (const UMetasoundEditorGraphVariable* Variable = Cast<UMetasoundEditorGraphVariable>(Member))
{
const FMetasoundFrontendVariable* FrontendVariable = DocBuilder.FindGraphVariable(Variable->GetMemberName());
if (FrontendVariable)
{
auto IsMutatorNode = [&FrontendVariable](const UMetasoundEditorGraphMemberNode* Node)
{
return Node->GetNodeID() == FrontendVariable->MutatorNodeID;
};
TArray<UMetasoundEditorGraphMemberNode*> Nodes = Variable->GetNodes();
if ( UMetasoundEditorGraphMemberNode** MutatorNode = Nodes.FindByPredicate(IsMutatorNode))
{
if (*MutatorNode && (*MutatorNode)->Pins[0]->HasAnyConnections())
{
ValueText = LOCTEXT("FindMetasound_VariableSetterConnectedDescription", "(See value from variable setter node connection)");
}
}
}
}
}
}
// Get value information directly from pin
else if (ResolvedPin)
{
const bool bIsUnconnectedInputPin = ResolvedPin->Direction == EGPD_Input && ResolvedPin->LinkedTo.Num() == 0;
if (bIsUnconnectedInputPin)
{
if (ResolvedPin->DefaultObject)
{
const AActor* DefaultActor = Cast<AActor>(ResolvedPin->DefaultObject);
ValueText = FText::FromString(DefaultActor ? *DefaultActor->GetActorLabel() : *ResolvedPin->DefaultObject->GetName());
}
else if (!ResolvedPin->AutogeneratedDefaultValue.IsEmpty())
{
ValueText = FText::FromString(ResolvedPin->AutogeneratedDefaultValue);
}
else if (!ResolvedPin->DefaultTextValue.IsEmpty())
{
ValueText = FText::FromString(ResolvedPin->DefaultTextValue.ToString());
}
// Cached value on ed graph pin or enum as special case to be converted from int32 to enum string
else if (ResolvedPin->PinType.PinCategory.ToString().Equals(TEXT("Int32")))
{
// If non enum int32, case below with default value may apply
ValueText = FText::FromString(FindInMetaSoundPrivate::GetEnumPinValueString(*ResolvedPin));
}
if (ValueText.IsEmpty() && !ResolvedPin->DefaultValue.IsEmpty())
{
// Don't show default for trigger type
if (ResolvedPin->PinType.PinCategory != GetMetasoundDataTypeName<FTrigger>())
{
ValueText = FText::FromString(ResolvedPin->DefaultValue);
}
}
// Get value from input literal
if (const UMetasoundEditorGraphExternalNode* ExternalNode = Cast<UMetasoundEditorGraphExternalNode>(ResolvedPin->GetOwningNode()))
{
if (ResolvedPin->Direction == EGPD_Input)
{
const FMetaSoundFrontendDocumentBuilder& DocBuilder = FGraphBuilder::GetBuilderFromPinChecked(*ResolvedPin).GetConstBuilder();
FMetasoundFrontendVertexHandle InputVertexHandle = FGraphBuilder::GetPinVertexHandle(DocBuilder, ResolvedPin);
check(InputVertexHandle.IsSet());
const FMetasoundFrontendVertex* InputVertex = DocBuilder.FindNodeInput(InputVertexHandle.NodeID, InputVertexHandle.VertexID);
check(InputVertex);
const FMetasoundFrontendVertexLiteral* DefaultLiteral = DocBuilder.FindNodeInputDefault(InputVertexHandle.NodeID, InputVertex->Name);
if (DefaultLiteral)
{
FMetasoundFrontendLiteral Literal = DefaultLiteral->Value;
// Get input literal class default override status
const bool bIsDefaultConstructed = Literal.GetType() == EMetasoundFrontendLiteralType::None;
if (!bIsDefaultConstructed)
{
bIsOverriddenLiteral = true;
}
// Get shorter object names
if (Literal.GetType() == EMetasoundFrontendLiteralType::UObject)
{
UObject* Object = nullptr;
Literal.TryGet(Object);
if (Object)
{
FString ObjectName;
Object->GetName(ObjectName);
ValueText = FText::FromString(ObjectName);
}
}
}
}
}
}
}
if (bIsOverriddenLiteral)
{
ValueText = FText::Format(LOCTEXT("FindMetasound_OverriddenValueDescriptionFormat", "{0} (overridden)"), ValueText);
}
return ValueText;
}
FText FFindInMetasoundResult::GetValueTooltipText()
{
// Get extended value text for tooltip
// Try to get corresponding member
const UEdGraphPin* ResolvedPin = Pin.Get();
UMetasoundEditorGraphMemberNode* MemberNode = Cast<UMetasoundEditorGraphMemberNode>(GraphNode);
if (!MemberNode && ResolvedPin)
{
MemberNode = Cast<UMetasoundEditorGraphMemberNode>(ResolvedPin->GetOwningNode());
}
// Get value from member literal
if (const UMetasoundEditorGraphMember* Member = GetMetaSoundGraphMember(MemberNode))
{
// Get full object names and array contents (GetValueText shortens these)
return FText::FromString(FindInMetaSoundPrivate::GetMemberLiteralString(Member, /*bUseFullValueString=*/true));
}
// Get value from pin's external node
else if (ResolvedPin)
{
// Get full object name (GetValueText shortens these)
if (const UMetasoundEditorGraphExternalNode* ExternalNode = Cast<UMetasoundEditorGraphExternalNode>(ResolvedPin->GetOwningNode()))
{
if (ResolvedPin->Direction == EGPD_Input)
{
const FMetaSoundFrontendDocumentBuilder& DocBuilder = FGraphBuilder::GetBuilderFromPinChecked(*ResolvedPin).GetConstBuilder();
FMetasoundFrontendVertexHandle InputVertexHandle = FGraphBuilder::GetPinVertexHandle(DocBuilder, ResolvedPin);
check(InputVertexHandle.IsSet());
const FMetasoundFrontendVertex* InputVertex = DocBuilder.FindNodeInput(InputVertexHandle.NodeID, InputVertexHandle.VertexID);
check(InputVertex);
if (const FMetasoundFrontendVertexLiteral* DefaultLiteral = DocBuilder.FindNodeInputDefault(InputVertexHandle.NodeID, InputVertex->Name))
{
return FText::FromString(DefaultLiteral->Value.ToString());
}
}
}
}
// Default to same as value text
return GetValueText();
}
const UMetasoundEditorGraphMember* FFindInMetasoundResult::GetMetaSoundGraphMember(const UEdGraphNode* EdGraphNode)
{
if (const UMetasoundEditorGraphMemberNode* MemberNode = Cast<UMetasoundEditorGraphMemberNode>(EdGraphNode))
{
return Cast<UMetasoundEditorGraphMember>(MemberNode->GetMember());
}
return nullptr;
}
void SFindInMetasound::Construct(const FArguments& InArgs, TSharedPtr<FEditor> InMetaSoundEditor)
{
MetaSoundEditorPtr = InMetaSoundEditor;
this->ChildSlot
[
SNew(SVerticalBox)
+ SVerticalBox::Slot()
.AutoHeight()
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.FillWidth(1)
[
SAssignNew(SearchTextField, SSearchBox)
.HintText(LOCTEXT("FindMetasound_GraphSearchHint", "Search"))
.OnTextChanged(this, &SFindInMetasound::OnSearchTextChanged)
.OnTextCommitted(this, &SFindInMetasound::OnSearchTextCommitted)
.DelayChangeNotificationsWhileTyping(false)
]
]
+ SVerticalBox::Slot()
.FillHeight(1.0f)
.Padding(0.f, 4.f, 0.f, 0.f)
[
SNew(SBorder)
.BorderImage(FAppStyle::GetBrush("Menu.Background"))
[
SAssignNew(TreeView, STreeViewType)
.TreeItemsSource(&ItemsFound)
.OnGenerateRow(this, &SFindInMetasound::OnGenerateRow)
.OnGetChildren(this, &SFindInMetasound::OnGetChildren)
.OnSelectionChanged(this, &SFindInMetasound::OnTreeSelectionChanged)
.OnMouseButtonDoubleClick(this, &SFindInMetasound::OnTreeSelectionDoubleClick)
.SelectionMode(ESelectionMode::Single)
]
]
];
}
void SFindInMetasound::FocusForUse()
{
// NOTE: Careful, GeneratePathToWidget can be reentrant in that it can call visibility delegates and such
FWidgetPath FilterTextBoxWidgetPath;
FSlateApplication::Get().GeneratePathToWidgetUnchecked(SearchTextField.ToSharedRef(), FilterTextBoxWidgetPath);
// Set keyboard focus directly
FSlateApplication::Get().SetKeyboardFocus(FilterTextBoxWidgetPath, EFocusCause::SetDirectly);
}
void SFindInMetasound::FocusForUse(const FString& NewSearchTerms)
{
FocusForUse();
if (!NewSearchTerms.IsEmpty())
{
SearchTextField->SetText(FText::FromString(NewSearchTerms));
InitiateSearch();
}
}
void SFindInMetasound::OnSearchTextChanged(const FText& Text)
{
SearchValue = Text.ToString();
}
void SFindInMetasound::OnSearchTextCommitted(const FText& Text, ETextCommit::Type CommitType)
{
if (CommitType == ETextCommit::OnEnter)
{
InitiateSearch();
}
}
void SFindInMetasound::InitiateSearch()
{
TArray<FString> Tokens;
if (SearchValue.Contains("\"") && SearchValue.ParseIntoArray(Tokens, TEXT("\""), true) > 0)
{
for (auto &TokenIt : Tokens)
{
// we have the token, we don't need the quotes anymore, they'll just confused the comparison later on
TokenIt = TokenIt.TrimQuotes();
// We remove the spaces as all later comparison strings will also be de-spaced
TokenIt = TokenIt.Replace(TEXT(" "), TEXT(""));
}
// due to being able to handle multiple quoted blocks like ("Make Epic" "Game Now") we can end up with
// and empty string between (" ") blocks so this simply removes them
struct FRemoveMatchingStrings
{
bool operator()(const FString& RemovalCandidate) const
{
return RemovalCandidate.IsEmpty();
}
};
Tokens.RemoveAll(FRemoveMatchingStrings());
}
else
{
// unquoted search equivalent to a match-any-of search
SearchValue.ParseIntoArray(Tokens, TEXT(" "), true);
}
for (auto It(ItemsFound.CreateIterator()); It; ++It)
{
TreeView->SetItemExpansion(*It, false);
}
ItemsFound.Empty();
if (Tokens.Num() > 0)
{
HighlightText = FText::FromString(SearchValue);
MatchTokens(Tokens);
}
// Insert a fake result to inform user if none found
if (ItemsFound.Num() == 0)
{
ItemsFound.Add(FSearchResult(MakeShared<FFindInMetasoundResult>(LOCTEXT("FindMetaSound_NoResults", "No Results found").ToString())));
}
else
{
// Insert a fake result for stat tracking
FText ResultsStats = FText::Format(LOCTEXT("FindMetaSound_NumResultsFmt", "{0} Result(s): {1} Matching Node(s), {2} Matching Pin(s)"), FoundNodeCount + FoundPinCount, FoundNodeCount, FoundPinCount);
ItemsFound.Insert(FSearchResult(MakeShared<FFindInMetasoundResult>(ResultsStats.ToString())), 0);
}
TreeView->RequestTreeRefresh();
for (auto It(ItemsFound.CreateIterator()); It; ++It)
{
TreeView->SetItemExpansion(*It, true);
}
}
void SFindInMetasound::MatchTokens(const TArray<FString> &Tokens)
{
RootSearchResult.Reset();
UEdGraph* Graph = MetaSoundEditorPtr.Pin()->GetGraphEditor()->GetCurrentGraph();
MatchTokensInGraph(Graph, Tokens);
}
void SFindInMetasound::MatchTokensInGraph(const UEdGraph* Graph, const TArray<FString>& Tokens)
{
using namespace Metasound::Frontend;
if (!Graph)
{
return;
}
RootSearchResult = MakeShared<FFindInMetasoundResult>(FString("MetasoundRootResult"));
FoundNodeCount = 0;
FoundPinCount = 0;
for (auto It(Graph->Nodes.CreateConstIterator()); It; ++It)
{
UEdGraphNode* Node = *It;
FString DisplayName;
FString NodeName = Node->GetNodeTitle(ENodeTitleType::FullTitle).ToString();
FString NodeType = Node->GetNodeTitle(ENodeTitleType::ListView).ToString();
FString DataTypeName;
FString MetadataString;
bool bIsMemberNode = false;
if (const UMetasoundEditorGraphNode* MetaSoundNode = Cast<UMetasoundEditorGraphNode>(Node))
{
const FMetaSoundFrontendDocumentBuilder& DocBuilder = MetaSoundNode->GetBuilderChecked().GetConstBuilder();
DisplayName = MetaSoundNode->GetDisplayName().ToString();
// Additional information for member nodes
if (const UMetasoundEditorGraphMember* MetaSoundMember = FFindInMetasoundResult::GetMetaSoundGraphMember(Node))
{
bIsMemberNode = true;
DataTypeName = MetaSoundMember->GetDataType().ToString();
NodeName = MetaSoundMember->GetMemberName().ToString();
// Get specific node type and display name for variables
if (const UMetasoundEditorGraphVariableNode* VariableNode = Cast<UMetasoundEditorGraphVariableNode>(MetaSoundNode))
{
NodeName = VariableNode->GetBreadcrumb().ClassName.ToString();
switch (VariableNode->GetClassType())
{
case EMetasoundFrontendClassType::VariableMutator:
{
NodeType = TEXT("Variable (Set)");
break;
}
case EMetasoundFrontendClassType::VariableAccessor:
{
NodeType = TEXT("Variable (Get)");
break;
}
case EMetasoundFrontendClassType::VariableDeferredAccessor:
{
NodeType = TEXT("Variable (Get Delayed)");
break;
}
default:
break;
}
if (const UMetasoundEditorGraphVariable* MetaSoundVariable = Cast<UMetasoundEditorGraphVariable>(MetaSoundMember))
{
DisplayName = MetaSoundVariable->GetDisplayName().ToString();
}
}
}
// Add external node keyword and category to search string
else if (const UMetasoundEditorGraphExternalNode* ExternalNode = Cast<UMetasoundEditorGraphExternalNode>(Node))
{
if (const FMetasoundFrontendNode* FrontendNode = DocBuilder.FindNode(ExternalNode->GetNodeID()))
{
if (const FMetasoundFrontendClass* Class = DocBuilder.FindDependency(FrontendNode->ClassID))
{
for (const FText& Keyword : Class->Metadata.GetKeywords())
{
MetadataString += Keyword.ToString();
}
for (const FText& CategoryHierarchy : Class->Metadata.GetCategoryHierarchy())
{
MetadataString += CategoryHierarchy.ToString();
}
}
}
}
}
FString NodeResultName;
if (!DisplayName.IsEmpty())
{
// Show node type (input/output/variable) for members, and only display name for others
if (bIsMemberNode)
{
NodeResultName = DisplayName + " - " + NodeType;
}
else
{
NodeResultName = DisplayName;
}
}
else
{
NodeResultName = NodeName + " - " + NodeType;
}
FSearchResult NodeResult;
FString NodeSearchString = NodeName + NodeType + Node->NodeComment + DisplayName + DataTypeName + MetadataString;
NodeSearchString = NodeSearchString.Replace(TEXT(" "), TEXT(""));
bool bNodeMatchesSearch = StringMatchesSearchTokens(Tokens, NodeSearchString);
if (bNodeMatchesSearch)
{
NodeResult = MakeShared<FFindInMetasoundResult>(NodeResultName, RootSearchResult, Node);
FoundNodeCount++;
}
for (TArray<UEdGraphPin*>::TIterator PinIt(Node->Pins); PinIt; ++PinIt)
{
UEdGraphPin* Pin = *PinIt;
if (Pin && Pin->PinFriendlyName.CompareTo(FText::FromString(TEXT(" "))) != 0)
{
FText PinDisplayName = Pin->GetSchema()->GetPinDisplayName(Pin);
FString PinCategory = Pin->PinType.PinCategory.ToString();
// String for values that may not be directly retrievable from the pin default value
FString PinValueString;
// Member data type name and value
FString PinDataTypeName;
if (const UMetasoundEditorGraphMember* MetaSoundMember = FFindInMetasoundResult::GetMetaSoundGraphMember(Node))
{
PinDataTypeName = MetaSoundMember->GetDataType().ToString();
PinValueString = FindInMetaSoundPrivate::GetMemberLiteralString(MetaSoundMember, /*bUseFullValueString=*/true);
}
else if (PinCategory.Equals(TEXT("Int32")))
{
// Enum value string (needs conversion from pin DefaultValue int)
const FString EnumValueString = FindInMetaSoundPrivate::GetEnumPinValueString(*Pin);
if (!EnumValueString.IsEmpty())
{
PinValueString = EnumValueString;
}
}
FString PinSearchString = PinDisplayName.ToString() + Pin->PinName.ToString() + Pin->PinFriendlyName.ToString() + Pin->DefaultValue + PinCategory + Pin->PinType.PinSubCategory.ToString() + PinDataTypeName + (Pin->PinType.PinSubCategoryObject.IsValid() ? Pin->PinType.PinSubCategoryObject.Get()->GetFullName() : TEXT("")) + PinValueString;
PinSearchString = PinSearchString.Replace(TEXT(" "), TEXT(""));
if (StringMatchesSearchTokens(Tokens, PinSearchString))
{
if (!NodeResult.IsValid())
{
NodeResult = MakeShared<FFindInMetasoundResult>(NodeResultName, RootSearchResult, Node);
}
FSearchResult PinResult(MakeShared<FFindInMetasoundResult>(PinDisplayName.ToString(), NodeResult, Pin));
NodeResult->Children.Add(PinResult);
FoundPinCount++;
}
}
}
// Node or pin matches search
if (bNodeMatchesSearch || (NodeResult.IsValid() && NodeResult->Children.Num() > 0))
{
ItemsFound.Add(NodeResult);
}
}
for (const UEdGraph* Subgraph : Graph->SubGraphs)
{
MatchTokensInGraph(Subgraph, Tokens);
}
}
TSharedRef<ITableRow> SFindInMetasound::OnGenerateRow(FSearchResult InItem, const TSharedRef<STableViewBase>& OwnerTable)
{
TSharedRef< SHorizontalBox> TableRowBox = SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.AutoWidth()
.VAlign(VAlign_Center)
.Padding(4.f)
[
InItem->CreateIcon()
]
+ SHorizontalBox::Slot()
.FillWidth(1)
.HAlign(HAlign_Left)
.VAlign(VAlign_Center)
.Padding(2)
[
SNew(STextBlock)
.Text(FText::FromString(InItem->Value))
.HighlightText(HighlightText)
.ToolTipText(FText::Format(LOCTEXT("FindMetasound_ResultSearchToolTipFmt", "{0}: {1}"), InItem->GetCategory(), FText::FromString(InItem->Value)))
];
// To avoid showing value on both pin and node,
// only show value on pin result or on node result if no pin
if (InItem->Pin.Get() || InItem->Children.Num() == 0)
{
const FText ValueTooltip = InItem->GetCommentText().IsEmpty() ?
InItem->GetValueTooltipText() :
FText::Format(LOCTEXT("FindMetasound_NodeValueWithCommentFmt", "[Comment: {0}]\n{1}"), FText::FromString(InItem->GetCommentText()), InItem->GetValueTooltipText());
TableRowBox->AddSlot()
.FillWidth(1)
.HAlign(HAlign_Left)
.VAlign(VAlign_Center)
.Padding(2)
[
SNew(STextBlock)
.Text(InItem->GetValueText())
.HighlightText(HighlightText)
.ToolTipText(ValueTooltip)
];
}
return SNew(STableRow<TSharedPtr<FFindInMetasoundResult>>, OwnerTable)
[
TableRowBox
];
}
void SFindInMetasound::OnGetChildren(FSearchResult InItem, TArray< FSearchResult >& OutChildren)
{
OutChildren += InItem->Children;
}
void SFindInMetasound::OnTreeSelectionChanged(FSearchResult Item, ESelectInfo::Type)
{
if (Item.IsValid())
{
Item->OnClick(MetaSoundEditorPtr);
}
}
void SFindInMetasound::OnTreeSelectionDoubleClick(FSearchResult Item)
{
if (Item.IsValid())
{
Item->OnClick(MetaSoundEditorPtr);
}
}
bool SFindInMetasound::StringMatchesSearchTokens(const TArray<FString>& Tokens, const FString& ComparisonString)
{
bool bFoundAllTokens = true;
//search the entry for each token, it must have all of them to pass
for (auto TokIT(Tokens.CreateConstIterator()); TokIT; ++TokIT)
{
const FString& Token = *TokIT;
if (!ComparisonString.Contains(Token))
{
bFoundAllTokens = false;
break;
}
}
return bFoundAllTokens;
}
} // namespace Metasound::Editor
#undef LOCTEXT_NAMESPACE