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a27980dcf0
NOTE: Old tutorials not deprecated (yet), but widget highlights in old tutorials will stop working with this change! Added new Blueprintable UEditorTutorial object. Added suite of widgets and details customizations to display tutorials. New system is available on command line switch -NewTutorials. Slate changes: Tag names are now stored in SWidgets, rather than simply being discarded. Removed STutorialWrapper in favour of using Tags. Added Tags to more multibox widgets, so virtually all can now be picked. Added SWindow::HasOverlay so we dont attempt to add overlays to widows that cannot have them. [CL 2244216 by Thomas Sarkanen in Main branch]
113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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#pragma once
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class UEditorTutorial;
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DECLARE_DELEGATE_ThreeParams(FOnLaunchTutorial, UEditorTutorial* /** InTutorialToLaunch */, bool /* bRestart */, TWeakPtr<SWindow> /* InFromWindow */)
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/** Abstract base class for list entries in the tutorial menu */
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struct ITutorialListEntry
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{
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/** Generate content for a tree entry */
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virtual TSharedRef<ITableRow> OnGenerateTutorialRow(const TSharedRef<STableViewBase>& OwnerTable) const = 0;
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/** Whether this entry passes the current filter criteria */
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virtual bool PassesFilter(const FString& InCategoryFilter, const FString& InFilter) const = 0;
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};
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class FTutorialListEntry_Category;
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/**
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* The widget which holds all available tutorials
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*/
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class STutorialsBrowser : public SCompoundWidget
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{
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SLATE_BEGIN_ARGS( STutorialsBrowser ) {}
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SLATE_ARGUMENT(FSimpleDelegate, OnClosed)
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SLATE_ARGUMENT(FOnLaunchTutorial, OnLaunchTutorial)
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SLATE_ARGUMENT(TWeakPtr<SWindow>, ParentWindow)
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SLATE_END_ARGS()
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void Construct(const FArguments& Args);
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/** Set the current filter string. Filters are used to only show the specifed category of tutorials (e.g. only Blueprint tutorials) */
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void SetFilter(const FString& InFilter);
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protected:
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/** Handle generating a table row in the browser */
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TSharedRef<ITableRow> OnGenerateTutorialRow(TSharedPtr<ITutorialListEntry> InItem, const TSharedRef<STableViewBase>& OwnerTable) const;
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/** Reload all tutorials that we know about */
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void ReloadTutorials();
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/** Handle closing the browser */
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FReply OnCloseButtonClicked();
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/** Handle traversing back up the browser hierarchy */
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FReply OnBackButtonClicked();
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/** Handle whether the back button can be clicked */
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bool IsBackButtonEnabled() const;
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/** Handle back button color - used to dim the button when disabled */
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FSlateColor GetBackButtonColor() const;
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/** Delegate handler fired when a tutorial is selected form the browser */
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void OnTutorialSelected(UEditorTutorial* InTutorial, bool bRestart);
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/** Delegate handler fired when a category is selected form the browser */
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void OnCategorySelected(const FString& InCategory);
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/** Filter displayed tutorials - regenerates the displayed items */
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void FilterTutorials();
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/** Rebuild the displayed categories */
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TSharedPtr<FTutorialListEntry_Category> RebuildCategories();
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/** Rebuild the displayed tutorials */
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void RebuildTutorials(TSharedPtr<FTutorialListEntry_Category> InRootCategory);
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/** Recursive helper function used to find a category given the current NavigationFilter */
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TSharedPtr<FTutorialListEntry_Category> FindCategory_Recursive(TSharedPtr<FTutorialListEntry_Category> InCategory) const;
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/** Handle rebuilding the browser display when the filter text changes */
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void OnSearchTextChanged(const FText& InText);
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/** Supplies the text to display in the filter box */
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FText GetSearchText() const;
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private:
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/** Root entry of the tutorials tree */
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TSharedPtr<FTutorialListEntry_Category> RootEntry;
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/** Current filtered entries */
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TArray<TSharedPtr<ITutorialListEntry>> FilteredEntries;
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/** List of tutorials widget */
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TSharedPtr<SListView<TSharedPtr<ITutorialListEntry>>> TutorialList;
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/** Delegate fired when the close button is clicked */
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FSimpleDelegate OnClosed;
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/** Delegate fired when a tutorial is selected */
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FOnLaunchTutorial OnLaunchTutorial;
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/** Current search string */
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FText SearchFilter;
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/** Current category navigation string */
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FString NavigationFilter;
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/** Static category filter for this browser */
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FString CategoryFilter;
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/** Cached current category */
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TWeakPtr<FTutorialListEntry_Category> CurrentCategoryPtr;
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/** Parent window of this browser */
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TWeakPtr<SWindow> ParentWindow;
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}; |