Files
UnrealEngineUWP/Engine/Source/Editor/AddContentDialog/Private/SAddContentWidget.cpp
Ben Marsh 149375b14b Update copyright notices to 2015.
[CL 2379638 by Ben Marsh in Main branch]
2014-12-07 19:09:38 -05:00

452 lines
12 KiB
C++

// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
#include "AddContentDialogPCH.h"
#include "SSearchBox.h"
#include "SWidgetCarouselWithNavigation.h"
#define LOCTEXT_NAMESPACE "AddContentDialog"
class SContentSourceDragDropHandler : public SCompoundWidget
{
public:
SLATE_BEGIN_ARGS(SContentSourceDragDropHandler) {}
SLATE_DEFAULT_SLOT(FArguments, Content)
SLATE_ARGUMENT(TWeakPtr<FAddContentWidgetViewModel>, ViewModel)
SLATE_END_ARGS()
void Construct(const FArguments& InArgs)
{
ViewModel = InArgs._ViewModel;
bIsDragOver = false;
this->ChildSlot
[
SNew(SBorder)
.BorderImage(FEditorStyle::GetBrush("WhiteBrush"))
.BorderBackgroundColor(this, &SContentSourceDragDropHandler::GetBackgroundColor)
[
InArgs._Content.Widget
]
];
}
~SContentSourceDragDropHandler() {}
FReply OnDrop(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override
{
bIsDragOver = false;
TSharedPtr<FAddContentWidgetViewModel> PinnedViewModel = ViewModel.Pin();
TSharedPtr<FContentSourceDragDropOp> ContentSourceDragDropOp = DragDropEvent.GetOperationAs<FContentSourceDragDropOp>();
if (PinnedViewModel.IsValid() && ContentSourceDragDropOp.IsValid())
{
PinnedViewModel->AppendToAddList(ContentSourceDragDropOp->GetContentSource());
return FReply::Handled();
}
return FReply::Unhandled();
}
virtual void OnDragEnter(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override
{
bIsDragOver = true;
}
virtual void OnDragLeave(const FDragDropEvent& DragDropEvent) override
{
bIsDragOver = false;
}
private:
FSlateColor GetBackgroundColor() const
{
if (bIsDragOver)
{
return FLinearColor(1.0f, 0.6f, 0.1f, 0.9f);
}
else
{
return FSlateApplication::Get().IsDragDropping() && FSlateApplication::Get().GetDragDroppingContent()->IsOfType<FContentSourceDragDropOp>() ?
FLinearColor(0.1f, 0.1f, 0.1f, 0.9f) : FLinearColor::Transparent;
}
}
private:
TWeakPtr<FAddContentWidgetViewModel> ViewModel;
bool bIsDragOver;
};
void SAddContentWidget::Construct(const FArguments& InArgs)
{
ViewModel = FAddContentWidgetViewModel::CreateShared();
ViewModel->SetOnCategoriesChanged(FAddContentWidgetViewModel::FOnCategoriesChanged::CreateSP(
this, &SAddContentWidget::CategoriesChanged));
ViewModel->SetOnContentSourcesChanged(FAddContentWidgetViewModel::FOnContentSourcesChanged::CreateSP(
this, &SAddContentWidget::ContentSourcesChanged));
ViewModel->SetOnSelectedContentSourceChanged(FAddContentWidgetViewModel::FOnSelectedContentSourceChanged::CreateSP(
this, &SAddContentWidget::SelectedContentSourceChanged));
ViewModel->SetOnAddListChanged(FAddContentWidgetViewModel::FOnAddListChanged::CreateSP(
this, &SAddContentWidget::AddListChanged));
ChildSlot
[
SNew(SVerticalBox)
// Tab Buttons
+ SVerticalBox::Slot()
.AutoHeight()
.Padding(FMargin(10, 0))
[
SAssignNew(CategoryTabsContainer, SBox)
[
CreateCategoryTabs()
]
]
// Content Source Tab Page
+ SVerticalBox::Slot()
.FillHeight(3.0f)
.Padding(FMargin(0, 0, 0, 10))
[
SNew(SBorder)
.BorderImage(FAddContentDialogStyle::Get().GetBrush("AddContentDialog.TabBackground"))
.Padding(FMargin(15))
[
SNew(SHorizontalBox)
// Content Source Tiles
+ SHorizontalBox::Slot()
[
SNew(SVerticalBox)
// Content Source Filter
+ SVerticalBox::Slot()
.AutoHeight()
.Padding(FMargin(0, 0, 0, 5))
[
SNew(SSearchBox)
.OnTextChanged(this, &SAddContentWidget::SearchTextChanged)
]
// Content Source Tile View
+ SVerticalBox::Slot()
[
CreateContentSourceTileView()
]
]
// Splitter
+ SHorizontalBox::Slot()
.Padding(FMargin(10, 0))
.AutoWidth()
[
SNew(SBox)
.WidthOverride(2)
[
SNew(SImage)
.Image(FAddContentDialogStyle::Get().GetBrush("AddContentDialog.Splitter"))
]
]
// Content Source Details
+ SHorizontalBox::Slot()
[
SAssignNew(ContentSourceDetailContainer, SBox)
[
CreateContentSourceDetail(ViewModel->GetSelectedContentSource())
]
]
]
]
// List of selected content
+ SVerticalBox::Slot()
.FillHeight(1.0f)
[
CreateAddListView()
]
];
}
const TArray<TSharedPtr<IContentSource>>* SAddContentWidget::GetContentSourcesToAdd()
{
return &ContentSourcesToAdd;
}
TSharedRef<SWidget> SAddContentWidget::CreateCategoryTabs()
{
TSharedRef<SHorizontalBox> TabBox = SNew(SHorizontalBox);
for (auto Category : *ViewModel->GetCategories())
{
TabBox->AddSlot()
.Padding(FMargin(0, 0, 5, 0))
.AutoWidth()
[
SNew(SCheckBox)
.Style(FAddContentDialogStyle::Get(), "AddContentDialog.CategoryTab")
.OnCheckStateChanged(this, &SAddContentWidget::CategoryCheckBoxCheckStateChanged, Category)
.IsChecked(this, &SAddContentWidget::GetCategoryCheckBoxCheckState, Category)
.Padding(FMargin(5))
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.AutoWidth()
.VAlign(VAlign_Center)
.Padding(FMargin(0, 0, 5, 0))
[
SNew(SImage)
.Image(Category.GetIconBrush())
]
+ SHorizontalBox::Slot()
.AutoWidth()
.VAlign(VAlign_Center)
[
SNew(STextBlock)
.TextStyle(FAddContentDialogStyle::Get(), "AddContentDialog.HeadingText")
.Text(Category.GetText())
]
]
];
}
return TabBox;
}
TSharedRef<SWidget> SAddContentWidget::CreateContentSourceTileView()
{
SAssignNew(ContentSourceTileView, STileView<TSharedPtr<FContentSourceViewModel>>)
.ListItemsSource(ViewModel->GetContentSources())
.OnGenerateTile(this, &SAddContentWidget::CreateContentSourceIconTile)
.OnSelectionChanged(this, &SAddContentWidget::ContentSourceTileViewSelectionChanged)
.ItemWidth(70)
.ItemHeight(100);
ContentSourceTileView->SetSelection(ViewModel->GetSelectedContentSource(), ESelectInfo::Direct);
return ContentSourceTileView.ToSharedRef();
}
TSharedRef<ITableRow> SAddContentWidget::CreateContentSourceIconTile(TSharedPtr<FContentSourceViewModel> ContentSource, const TSharedRef<STableViewBase>& OwnerTable)
{
return SNew(STableRow< TSharedPtr<FString> >, OwnerTable)
.Cursor(EMouseCursor::GrabHand)
.OnDragDetected(this, &SAddContentWidget::ContentSourceTileDragDetected)
[
SNew(SVerticalBox)
+ SVerticalBox::Slot()
.HAlign(EHorizontalAlignment::HAlign_Center)
.AutoHeight()
[
SNew(SImage)
.Image(ContentSource->GetIconBrush().Get())
]
+ SVerticalBox::Slot()
.HAlign(HAlign_Center)
.AutoHeight()
[
SNew(STextBlock)
.Text(ContentSource->GetName())
.AutoWrapText(true)
]
];
}
TSharedRef<SWidget> SAddContentWidget::CreateContentSourceDetail(TSharedPtr<FContentSourceViewModel> ContentSource)
{
TSharedRef<SScrollBox> Box = SNew(SScrollBox);
if (ContentSource.IsValid())
{
Box->AddSlot()
.Padding(FMargin(0, 0, 0, 5))
.HAlign(EHorizontalAlignment::HAlign_Left)
[
CreateScreenshotCarousel(ContentSource)
];
Box->AddSlot()
.Padding(FMargin(0, 0, 0, 5))
[
SNew(STextBlock)
.TextStyle(FAddContentDialogStyle::Get(), "AddContentDialog.HeadingText")
.Text(ContentSource->GetName())
.AutoWrapText(true)
];
Box->AddSlot()
.Padding(FMargin(0, 0, 0, 5))
[
SNew(STextBlock)
.Text(ContentSource->GetDescription())
.AutoWrapText(true)
];
}
return Box;
}
TSharedRef<SWidget> SAddContentWidget::CreateScreenshotCarousel(TSharedPtr<FContentSourceViewModel> ContentSource)
{
return SNew(SWidgetCarouselWithNavigation<TSharedPtr<FSlateBrush>>)
.OnGenerateWidget(this, &SAddContentWidget::CreateScreenshotWidget)
.WidgetItemsSource(ContentSource->GetScreenshotBrushes());
}
TSharedRef<SWidget> SAddContentWidget::CreateAddListView()
{
return SNew(SVerticalBox)
+ SVerticalBox::Slot()
.AutoHeight()
.Padding(FMargin(0, 0, 0, 5))
[
SNew(STextBlock)
.TextStyle(FAddContentDialogStyle::Get(), "AddContentDialog.HeadingText")
.Text(LOCTEXT("SelectedContentToAdd", "Selected Content"))
]
+ SVerticalBox::Slot()
[
SNew(SOverlay)
+ SOverlay::Slot()
[
SAssignNew(AddListView, SListView<TSharedPtr<FContentSourceViewModel>>)
.ListItemsSource(ViewModel->GetAddList())
.OnGenerateRow(this, &SAddContentWidget::CreateAddContentSourceRow)
]
+ SOverlay::Slot()
[
SNew(SContentSourceDragDropHandler)
.ViewModel(TWeakPtr<FAddContentWidgetViewModel>(ViewModel))
.Visibility_Lambda([this]()->EVisibility
{
if (ViewModel->GetAddList()->Num() == 0)
{
return EVisibility::Visible;
}
else
{
return FSlateApplication::Get().IsDragDropping() && FSlateApplication::Get().GetDragDroppingContent()->IsOfType<FContentSourceDragDropOp>() ?
EVisibility::Visible : EVisibility::Collapsed;
}
})
[
SNew(SBorder)
.HAlign(EHorizontalAlignment::HAlign_Center)
.VAlign(EVerticalAlignment::VAlign_Center)
[
SNew(STextBlock)
.TextStyle(FAddContentDialogStyle::Get(), "AddContentDialog.HeadingTextSmall")
.Text(LOCTEXT("DropContent", "+ Drop Content Here"))
]
]
]
];
}
TSharedRef<ITableRow> SAddContentWidget::CreateAddContentSourceRow(TSharedPtr<FContentSourceViewModel> ContentSource, const TSharedRef<STableViewBase>& OwnerTable)
{
return SNew(STableRow< TSharedPtr<FString> >, OwnerTable)
.Padding(5)
[
SNew(SHorizontalBox)
+ SHorizontalBox::Slot()
.AutoWidth()
.Padding(FMargin(0, 0, 5, 0))
[
SNew(STextBlock)
.Text_Lambda([ContentSource]()->FText
{
return FText::Format(LOCTEXT("CategoryNameFormat", "{0} - {1}"), ContentSource->GetCategory().GetText(), ContentSource->GetName());
})
]
+ SHorizontalBox::Slot()
.AutoWidth()
[
SNew(SButton)
.ButtonStyle(FAddContentDialogStyle::Get(), "AddContentDialog.RemoveButton")
.ToolTipText(LOCTEXT("RemoteToolTip", "Remove"))
.OnClicked(this, &SAddContentWidget::RemoveAddedContentSourceClicked, ContentSource)
]
];
}
void SAddContentWidget::CategoryCheckBoxCheckStateChanged(ESlateCheckBoxState::Type CheckState, FCategoryViewModel Category)
{
if (CheckState == ESlateCheckBoxState::Checked)
{
ViewModel->SetSelectedCategory(Category);
}
}
ESlateCheckBoxState::Type SAddContentWidget::GetCategoryCheckBoxCheckState(FCategoryViewModel Category) const
{
return (Category == ViewModel->GetSelectedCategory()) ? ESlateCheckBoxState::Checked : ESlateCheckBoxState::Unchecked;
}
void SAddContentWidget::SearchTextChanged(const FText& SearchText)
{
ViewModel->SetSearchText(SearchText);
}
void SAddContentWidget::ContentSourceTileViewSelectionChanged(TSharedPtr<FContentSourceViewModel> SelectedContentSource, ESelectInfo::Type SelectInfo)
{
ViewModel->SetSelectedContentSource(SelectedContentSource);
}
FReply SAddContentWidget::ContentSourceTileDragDetected(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
{
TSharedPtr<FContentSourceViewModel> SelectedContentSource = ViewModel->GetSelectedContentSource();
if (SelectedContentSource.IsValid())
{
return FReply::Handled().BeginDragDrop(FContentSourceDragDropOp::CreateShared(SelectedContentSource));
}
return FReply::Unhandled();
}
TSharedRef<SWidget> SAddContentWidget::CreateScreenshotWidget(TSharedPtr<FSlateBrush> ScreenshotBrush)
{
return SNew(SImage)
.Image(ScreenshotBrush.Get());
}
FReply SAddContentWidget::RemoveAddedContentSourceClicked(TSharedPtr<FContentSourceViewModel> ContentSource)
{
ViewModel->RemoveFromAddList(ContentSource);
return FReply::Handled();
}
void SAddContentWidget::CategoriesChanged()
{
CategoryTabsContainer->SetContent(CreateCategoryTabs());
}
void SAddContentWidget::ContentSourcesChanged()
{
ContentSourceTileView->RequestListRefresh();
}
void SAddContentWidget::SelectedContentSourceChanged()
{
ContentSourceTileView->SetSelection(ViewModel->GetSelectedContentSource(), ESelectInfo::Direct);
ContentSourceDetailContainer->SetContent(CreateContentSourceDetail(ViewModel->GetSelectedContentSource()));
}
void SAddContentWidget::AddListChanged()
{
AddListView->RequestListRefresh();
ContentSourcesToAdd.Empty();
for (const TSharedPtr<FContentSourceViewModel>& ContentSource : *ViewModel->GetAddList())
{
ContentSourcesToAdd.Add(ContentSource->GetContentSource());
}
}
SAddContentWidget::~SAddContentWidget()
{
}
#undef LOCTEXT_NAMESPACE