179 lines
12 KiB
C++
179 lines
12 KiB
C++
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "SGraphSeriesList.h"
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#include "EditorFontGlyphs.h"
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#include "EditorStyleSet.h"
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#include "Framework/Application/SlateApplication.h"
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#include "Widgets/Input/SCheckBox.h"
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#include "Widgets/Input/SSearchBox.h"
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#include "Widgets/Text/STextBlock.h"
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#include "Widgets/Layout/SScrollBorder.h"
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#include "Widgets/SBoxPanel.h"
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#include "Widgets/Views/SHeaderRow.h"
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// Insights
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#include "Insights/ViewModels/GraphSeries.h"
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#include "Insights/ViewModels/GraphTrack.h"
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#define LOCTEXT_NAMESPACE "SGraphSeriesList"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// SGraphSeriesListEntry
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// A list entry widget for a graph series
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class SGraphSeriesListEntry: public STableRow<TSharedPtr<FGraphSeries>>
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{
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public:
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SLATE_BEGIN_ARGS(SGraphSeriesListEntry) {}
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SLATE_ARGUMENT(TSharedPtr<FGraphSeries>, GraphSeries)
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SLATE_ARGUMENT(TSharedPtr<FGraphTrack>, GraphTrack)
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SLATE_ATTRIBUTE(FText, SearchText)
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SLATE_END_ARGS()
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void Construct(const FArguments& InArgs, const TSharedRef<STableViewBase>& InOwnerTable)
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{
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GraphTrack = InArgs._GraphTrack;
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GraphSeries = InArgs._GraphSeries;
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SearchText = InArgs._SearchText;
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STableRow<TSharedPtr<FGraphSeries>>::Construct(STableRow<TSharedPtr<FGraphSeries>>::FArguments(), InOwnerTable);
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}
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virtual void ConstructChildren(ETableViewMode::Type InOwnerTableMode, const TAttribute<FMargin>& InPadding, const TSharedRef<SWidget>& InContent) override
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{
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ChildSlot
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[SNew(SHorizontalBox) + SHorizontalBox::Slot().AutoWidth().Padding(2.0f).HAlign(HAlign_Center).VAlign(VAlign_Center)[SNew(SCheckBox).IsChecked_Lambda([this]()
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{
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return GraphSeries.Pin()->IsVisible() ? ECheckBoxState::Checked : ECheckBoxState::Unchecked;
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})
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.OnCheckStateChanged_Lambda([this](ECheckBoxState InCheckBoxState)
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{
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GraphSeries.Pin()->SetVisibility(InCheckBoxState == ECheckBoxState::Checked);
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GraphSeries.Pin()->SetDirtyFlag();
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GraphTrack.Pin()->SetDirtyFlag();
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})
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.Content()[SNew(STextBlock).Text(GraphSeries.Pin()->GetName()).HighlightText(SearchText)]] +
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SHorizontalBox::Slot().FillWidth(1.0f).Padding(2.0f).HAlign(HAlign_Right).VAlign(VAlign_Center)[SNew(STextBlock).Font(FEditorStyle::Get().GetFontStyle("FontAwesome.9")).ColorAndOpacity_Lambda([this]()
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{
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return FSlateColor(GraphSeries.Pin()->GetColor());
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})
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.Text(FEditorFontGlyphs::Circle)]];
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}
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// The track containing the series we represent
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TWeakPtr<FGraphTrack> GraphTrack;
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// The series we represent
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TWeakPtr<FGraphSeries> GraphSeries;
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// The search text to highlight
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TAttribute<FText> SearchText;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// SGraphSeriesList
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void SGraphSeriesList::Construct(const FArguments& InArgs, const TSharedRef<FGraphTrack>& InGraphTrack)
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{
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GraphTrack = InGraphTrack;
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FilteredSeries = InGraphTrack->GetSeries();
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ListView = SNew(SListView<TSharedPtr<FGraphSeries>>)
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.IsFocusable(true)
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.ItemHeight(20.0f)
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.SelectionMode(ESelectionMode::None)
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.ListItemsSource(&FilteredSeries)
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.OnGenerateRow(this, &SGraphSeriesList::OnGenerateRow);
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ChildSlot
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[SNew(SVerticalBox) + SVerticalBox::Slot().AutoHeight()[SNew(SHorizontalBox) + SHorizontalBox::Slot().AutoWidth().Padding(2.0f, 0.0f)[
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// Checkbox for bulk operations
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SNew(SCheckBox).IsChecked_Lambda([this]()
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{
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int32 NumVisible = 0;
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for (TSharedPtr<FGraphSeries> Series: FilteredSeries)
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{
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if (Series->IsVisible())
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{
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NumVisible++;
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}
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}
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if (NumVisible == 0)
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{
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return ECheckBoxState::Unchecked;
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}
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else if (NumVisible == FilteredSeries.Num())
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{
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return ECheckBoxState::Checked;
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}
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return ECheckBoxState::Undetermined;
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})
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.OnCheckStateChanged_Lambda([this](ECheckBoxState InCheckBoxState)
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{
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const bool bVisible = InCheckBoxState != ECheckBoxState::Unchecked;
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for (TSharedPtr<FGraphSeries> Series: FilteredSeries)
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{
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Series->SetVisibility(bVisible);
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Series->SetDirtyFlag();
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}
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GraphTrack.Pin()->SetDirtyFlag();
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})] +
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SHorizontalBox::Slot().FillWidth(1.0f)[
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// Search box allows for filtering
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SAssignNew(SearchBox, SSearchBox).OnTextChanged_Lambda([this](const FText& InText)
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{
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SearchText = InText;
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RefreshFilter();
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})]] +
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SVerticalBox::Slot().FillHeight(1.0f)[SNew(SScrollBorder, ListView.ToSharedRef())[ListView.ToSharedRef()]]];
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// Set focus to the search box on creation
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FSlateApplication::Get().SetKeyboardFocus(SearchBox);
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FSlateApplication::Get().SetUserFocus(0, SearchBox);
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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TSharedRef<ITableRow> SGraphSeriesList::OnGenerateRow(TSharedPtr<FGraphSeries> Item, const TSharedRef<STableViewBase>& OwnerTable)
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{
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return SNew(SGraphSeriesListEntry, OwnerTable)
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.GraphTrack(GraphTrack.Pin())
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.GraphSeries(Item)
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.SearchText_Lambda([this]()
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{
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return SearchText;
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});
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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void SGraphSeriesList::RefreshFilter()
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{
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FilteredSeries.Reset();
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for (TSharedPtr<FGraphSeries> Series: GraphTrack.Pin()->GetSeries())
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{
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if (SearchText.IsEmpty() || Series->GetName().ToString().Contains(SearchText.ToString()))
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{
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FilteredSeries.Add(Series);
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}
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}
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ListView->RequestListRefresh();
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#undef LOCTEXT_NAMESPACE
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