119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Misc/Attribute.h"
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#include "Fonts/SlateFontInfo.h"
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#include "Input/Reply.h"
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#include "Styling/SlateWidgetStyleAsset.h"
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#include "Styling/ISlateStyle.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/SCompoundWidget.h"
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#include "Styling/SlateTypes.h"
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class SEditableTextBox;
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/**
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* Declares a delegate that is executed when a file was picked in the SFilePathPicker widget.
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*
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* The first parameter will contain the path to the picked file.
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*/
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DECLARE_DELEGATE_OneParam(FOnPathPicked, const FString& /*PickedPath*/);
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/**
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* Implements an editable text box with a browse button.
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*/
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class DESKTOPWIDGETS_API SFilePathPicker
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: public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SFilePathPicker)
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: _BrowseButtonToolTip(NSLOCTEXT("SFilePathPicker", "BrowseButtonToolTip", "Choose a file from this computer"))
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, _FileTypeFilter(TEXT("All files (*.*)|*.*"))
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, _Font()
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, _IsReadOnly(false)
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, _DialogReturnsFullPath(false)
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{ }
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/** Browse button image resource. */
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SLATE_ATTRIBUTE(const FSlateBrush*, BrowseButtonImage)
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/** Browse button visual style. */
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SLATE_STYLE_ARGUMENT(FButtonStyle, BrowseButtonStyle)
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/** Browse button tool tip text. */
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SLATE_ATTRIBUTE(FText, BrowseButtonToolTip)
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/** The directory to browse by default */
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SLATE_ATTRIBUTE(FString, BrowseDirectory)
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/** Title for the browse dialog window. */
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SLATE_ATTRIBUTE(FText, BrowseTitle)
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/** The currently selected file path. */
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SLATE_ATTRIBUTE(FString, FilePath)
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/** File type filter string. */
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SLATE_ATTRIBUTE(FString, FileTypeFilter)
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/** Font color and opacity of the path text box. */
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SLATE_ATTRIBUTE(FSlateFontInfo, Font)
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/** Whether the path text box can be modified by the user. */
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SLATE_ATTRIBUTE(bool, IsReadOnly)
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/** Whether the path returned by the dialog should be converted from relative to full */
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SLATE_ATTRIBUTE(bool, DialogReturnsFullPath)
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/** Called when a file path has been picked. */
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SLATE_EVENT(FOnPathPicked, OnPathPicked)
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SLATE_END_ARGS()
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/**
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* Constructs a new widget.
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*
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* @param InArgs The construction arguments.
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*/
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void Construct( const FArguments& InArgs );
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private:
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/** Callback for clicking the browse button. */
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FReply HandleBrowseButtonClicked( );
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/** Callback for getting the text in the path text box. */
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FText HandleTextBoxText( ) const;
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/** Callback for committing the text in the path text box. */
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void HandleTextBoxTextCommitted( const FText& NewText, ETextCommit::Type /*CommitInfo*/ );
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private:
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/** Holds the directory path to browse by default. */
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TAttribute<FString> BrowseDirectory;
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/** Holds the title for the browse dialog window. */
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TAttribute<FText> BrowseTitle;
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/** Holds the currently selected file path. */
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TAttribute<FString> FilePath;
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/** Holds the file type filter string. */
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TAttribute<FString> FileTypeFilter;
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/** Holds the editable text box. */
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TSharedPtr<SEditableTextBox> TextBox;
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/** Holds the option for the dialog to return full path instead of relative. */
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TAttribute<bool> DialogReturnsFullPath;
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private:
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/** Holds a delegate that is executed when a file was picked. */
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FOnPathPicked OnPathPicked;
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};
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