SFindInDialogues.h

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// Copyright Csaba Molnar, Daniel Butum. All Rights Reserved.
#pragma once
 
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Widgets/SCompoundWidget.h"
#include "Widgets/Views/STreeView.h"
#include "Framework/Commands/UICommandList.h"
 
#include "DialogueSearchResult.h"
 
class FDialogueEditor;
class SSearchBox;
class SDockTab;
 
class SFindInDialogues : public SCompoundWidget
{
private:
    typedef SFindInDialogues Self;
 
public:
    SLATE_BEGIN_ARGS(Self)
        : _bIsSearchWindow(true)
        , _bHideSearchBar(false)
        , _ContainingTab()
    {}
        SLATE_ARGUMENT(bool, bIsSearchWindow)
        SLATE_ARGUMENT(bool, bHideSearchBar)
        SLATE_ARGUMENT(TSharedPtr<SDockTab>, ContainingTab)
    SLATE_END_ARGS()
 
    void Construct(const FArguments& InArgs, const TSharedPtr<FDialogueEditor>& InDialogueEditor = nullptr);
    ~SFindInDialogues();
 
    void FocusForUse(bool bSetFindWithinDialogue, const FDialogueSearchFilter& SearchFilter = FDialogueSearchFilter(), bool bSelectFirstResult = false);
 
    void MakeSearchQuery(const FDialogueSearchFilter& SearchFilter, bool bInIsFindWithinDialogue);
 
    FName GetHostTabId() const;
 
    void CloseHostTab();
 
private:
    void HandleHostTabClosed(TSharedRef<SDockTab> DockTab);
 
    void HandleSearchTextChanged(const FText& Text);
 
    void HandleSearchTextCommitted(const FText& Text, ETextCommit::Type CommitType);
 
    FReply HandleOpenGlobalFindResults();
 
    void HandleFindModeChanged(ECheckBoxState CheckState)
    {
        bIsInFindWithinDialogueMode = CheckState == ECheckBoxState::Checked;
    }
 
    ECheckBoxState HandleGetFindModeChecked() const
    {
        return bIsInFindWithinDialogueMode ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
    }
 
    /* Get the children of a row */
    void HandleGetChildren(TSharedPtr<FDialogueSearchResult> InItem, TArray<TSharedPtr<FDialogueSearchResult>>& OutChildren);
 
    /* Called when user double clicks on a new result */
    void HandleTreeSelectionDoubleClicked(TSharedPtr<FDialogueSearchResult> Item);
 
    /* Called when a new row is being generated */
    TSharedRef<ITableRow> HandleGenerateRow(TSharedPtr<FDialogueSearchResult> InItem, const TSharedRef<STableViewBase>& OwnerTable);
 
    TSharedPtr<SWidget> HandleContextMenuOpening();
 
    TSharedRef<SWidget> FillFilterEntries();
 
private:
    TWeakPtr<FDialogueEditor> DialogueEditorPtr;
 
    /* The tree view displays the results */
    TSharedPtr<STreeView<TSharedPtr<FDialogueSearchResult>>> TreeView;
 
    TSharedPtr<SSearchBox> SearchTextBoxWidget;
 
    TWeakPtr<SVerticalBox> MainVerticalBoxWidget;
 
    TSharedPtr<FDialogueSearchResult> RootSearchResult;
 
    /* This buffer stores the currently displayed results */
    TArray<TSharedPtr<FDialogueSearchResult>> ItemsFound;
 
    /* The string to highlight in the results */
    FText HighlightText;
 
    FDialogueSearchFilter CurrentFilter;
 
    bool bIsInFindWithinDialogueMode;
 
    TWeakPtr<SDockTab> HostTab;
 
    TSharedPtr<FUICommandList> CommandList;
};