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| #include "LyraTabListWidgetBase.h"
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| #include "CommonAnimatedSwitcher.h"
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| #include "CommonButtonBase.h"
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| #include UE_INLINE_GENERATED_CPP_BY_NAME(LyraTabListWidgetBase)
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| void ULyraTabListWidgetBase::NativeOnInitialized()
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| {
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| Super::NativeOnInitialized();
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| }
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| void ULyraTabListWidgetBase::NativeConstruct()
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| {
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| Super::NativeConstruct();
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| SetupTabs();
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| }
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| void ULyraTabListWidgetBase::NativeDestruct()
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| {
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| for (FLyraTabDescriptor& TabInfo : PreregisteredTabInfoArray)
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| {
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| if (TabInfo.CreatedTabContentWidget)
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| {
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| TabInfo.CreatedTabContentWidget->RemoveFromParent();
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| TabInfo.CreatedTabContentWidget = nullptr;
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| }
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| }
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| Super::NativeDestruct();
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| }
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| bool ULyraTabListWidgetBase::GetPreregisteredTabInfo(const FName TabNameId, FLyraTabDescriptor& OutTabInfo)
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| {
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| const FLyraTabDescriptor* const FoundTabInfo = PreregisteredTabInfoArray.FindByPredicate([&](FLyraTabDescriptor& TabInfo) -> bool
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| {
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| return TabInfo.TabId == TabNameId;
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| });
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| if (!FoundTabInfo)
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| {
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| return false;
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| }
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| OutTabInfo = *FoundTabInfo;
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| return true;
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| }
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| void ULyraTabListWidgetBase::SetTabHiddenState(FName TabNameId, bool bHidden)
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| {
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| for (FLyraTabDescriptor& TabInfo : PreregisteredTabInfoArray)
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| {
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| if (TabInfo.TabId == TabNameId)
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| {
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| TabInfo.bHidden = bHidden;
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| break;
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| }
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| }
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| }
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| bool ULyraTabListWidgetBase::RegisterDynamicTab(const FLyraTabDescriptor& TabDescriptor)
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| {
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| if (TabDescriptor.bHidden)
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| {
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| return true;
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| }
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| PendingTabLabelInfoMap.Add(TabDescriptor.TabId, TabDescriptor);
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| return RegisterTab(TabDescriptor.TabId, TabDescriptor.TabButtonType, TabDescriptor.CreatedTabContentWidget);
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| }
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| void ULyraTabListWidgetBase::HandlePreLinkedSwitcherChanged()
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| {
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| for (const FLyraTabDescriptor& TabInfo : PreregisteredTabInfoArray)
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| {
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| if (TabInfo.CreatedTabContentWidget)
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| {
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| TabInfo.CreatedTabContentWidget->RemoveFromParent();
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| }
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| }
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| Super::HandlePreLinkedSwitcherChanged();
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| }
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| void ULyraTabListWidgetBase::HandlePostLinkedSwitcherChanged()
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| {
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| if (!IsDesignTime() && GetCachedWidget().IsValid())
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| {
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| SetupTabs();
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| }
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| Super::HandlePostLinkedSwitcherChanged();
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| }
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| void ULyraTabListWidgetBase::HandleTabCreation_Implementation(FName TabId, UCommonButtonBase* TabButton)
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| {
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| FLyraTabDescriptor* TabInfoPtr = nullptr;
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| FLyraTabDescriptor TabInfo;
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| if (GetPreregisteredTabInfo(TabId, TabInfo))
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| {
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| TabInfoPtr = &TabInfo;
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| }
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| else
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| {
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| TabInfoPtr = PendingTabLabelInfoMap.Find(TabId);
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| }
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| if (TabButton->GetClass()->ImplementsInterface(ULyraTabButtonInterface::StaticClass()))
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| {
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| if (ensureMsgf(TabInfoPtr, TEXT("A tab button was created with id %s but no label info was specified. RegisterDynamicTab should be used over RegisterTab to provide label info."), *TabId.ToString()))
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| {
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| ILyraTabButtonInterface::Execute_SetTabLabelInfo(TabButton, *TabInfoPtr);
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| }
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| }
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| PendingTabLabelInfoMap.Remove(TabId);
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| }
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| bool ULyraTabListWidgetBase::IsFirstTabActive() const
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| {
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| if (PreregisteredTabInfoArray.Num() > 0)
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| {
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| return GetActiveTab() == PreregisteredTabInfoArray[0].TabId;
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| }
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| return false;
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| }
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| bool ULyraTabListWidgetBase::IsLastTabActive() const
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| {
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| if (PreregisteredTabInfoArray.Num() > 0)
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| {
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| return GetActiveTab() == PreregisteredTabInfoArray.Last().TabId;
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| }
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| return false;
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| }
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| bool ULyraTabListWidgetBase::IsTabVisible(FName TabId)
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| {
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| if (const UCommonButtonBase* Button = GetTabButtonBaseByID(TabId))
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| {
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| const ESlateVisibility TabVisibility = Button->GetVisibility();
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| return (TabVisibility == ESlateVisibility::Visible
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| || TabVisibility == ESlateVisibility::HitTestInvisible
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| || TabVisibility == ESlateVisibility::SelfHitTestInvisible);
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| }
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| return false;
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| }
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| int32 ULyraTabListWidgetBase::GetVisibleTabCount()
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| {
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| int32 Result = 0;
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| const int32 TabCount = GetTabCount();
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| for ( int32 Index = 0; Index < TabCount; Index++ )
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| {
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| if (IsTabVisible(GetTabIdAtIndex( Index )))
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| {
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| Result++;
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| }
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| }
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| return Result;
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| }
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| void ULyraTabListWidgetBase::SetupTabs()
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| {
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| for (FLyraTabDescriptor& TabInfo : PreregisteredTabInfoArray)
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| {
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| if (TabInfo.bHidden)
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| {
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| continue;
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| }
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| if (!TabInfo.CreatedTabContentWidget && TabInfo.TabContentType)
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| {
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| TabInfo.CreatedTabContentWidget = CreateWidget<UCommonUserWidget>(GetOwningPlayer(), TabInfo.TabContentType);
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| OnTabContentCreatedNative.Broadcast(TabInfo.TabId, Cast<UCommonUserWidget>(TabInfo.CreatedTabContentWidget));
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| OnTabContentCreated.Broadcast(TabInfo.TabId, Cast<UCommonUserWidget>(TabInfo.CreatedTabContentWidget));
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| }
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| if (UCommonAnimatedSwitcher* CurrentLinkedSwitcher = GetLinkedSwitcher())
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| {
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| if (!CurrentLinkedSwitcher->HasChild(TabInfo.CreatedTabContentWidget))
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| {
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| CurrentLinkedSwitcher->AddChild(TabInfo.CreatedTabContentWidget);
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| }
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| }
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| if (GetTabButtonBaseByID(TabInfo.TabId) == nullptr)
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| {
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| RegisterTab(TabInfo.TabId, TabInfo.TabButtonType, TabInfo.CreatedTabContentWidget);
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| }
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| }
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| }
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