初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/CesiumEditor/Private/CesiumIonPanel.h

@@ -0,0 +1,107 @@
+// Copyright 2020-2024 CesiumGS, Inc. and Contributors
+
+#pragma once
+
+#include "CesiumIonClient/Assets.h"
+#include "Widgets/DeclarativeSyntaxSupport.h"
+#include "Widgets/Input/SSearchBox.h"
+#include "Widgets/SCompoundWidget.h"
+#include "Widgets/Views/SHeaderRow.h"
+
+class FArguments;
+class ITableRow;
+class STableViewBase;
+class UCesiumIonServer;
+
+template <typename ItemType> class SListView;
+
+class CesiumIonPanel : public SCompoundWidget {
+  SLATE_BEGIN_ARGS(CesiumIonPanel) {}
+  SLATE_END_ARGS()
+
+  CesiumIonPanel();
+  virtual ~CesiumIonPanel();
+
+  void Construct(const FArguments& InArgs);
+
+  void Refresh();
+
+  virtual void Tick(
+      const FGeometry& AllottedGeometry,
+      const double InCurrentTime,
+      const float InDeltaTime) override;
+
+private:
+  TSharedRef<SWidget> AssetDetails();
+  TSharedRef<ITableRow> CreateAssetRow(
+      TSharedPtr<CesiumIonClient::Asset> item,
+      const TSharedRef<STableViewBase>& list);
+  void AddAssetToLevel(TSharedPtr<CesiumIonClient::Asset> item);
+  void AddOverlayToTerrain(
+      TSharedPtr<CesiumIonClient::Asset> item,
+      bool useAsBaseLayer);
+  void AddAsset(TSharedPtr<CesiumIonClient::Asset> item);
+  void AssetSelected(
+      TSharedPtr<CesiumIonClient::Asset> item,
+      ESelectInfo::Type selectionType);
+  void Subscribe(UCesiumIonServer* pNewServer);
+  void OnServerChanged();
+
+  /**
+   * Filter the current _assets array, based on the current _searchString.
+   * This will replace the _assets array with one that only contains
+   * assets whose name or description contain the search string
+   */
+  void ApplyFilter();
+
+  /**
+   * Sort the current _assets array, based on the current _sortColumnName
+   * and _sortMode, before using it to populate the list view.
+   */
+  void ApplySorting();
+
+  /**
+   * Will be called whenever one header of the asset list view is
+   * clicked, and update the current _sortColumnName and _sortMode
+   * accordingly.
+   */
+  void OnSortChange(
+      EColumnSortPriority::Type SortPriority,
+      const FName& ColumnName,
+      EColumnSortMode::Type NewSortMode);
+
+  /**
+   * Will be called whenever the contents of the _SearchBox changes,
+   * store the corresponding _searchString, and refresh the view.
+   */
+  void OnSearchTextChange(const FText& SearchText);
+
+  FDelegateHandle _serverChangedDelegateHandle;
+  TSharedPtr<SListView<TSharedPtr<CesiumIonClient::Asset>>> _pListView;
+  TArray<TSharedPtr<CesiumIonClient::Asset>> _assets;
+  TSharedPtr<CesiumIonClient::Asset> _pSelection;
+  TObjectPtr<UCesiumIonServer> _pLastServer;
+
+  /**
+   * The column name based on which the main assets list view is currently
+   * sorted.
+   */
+  FName _sortColumnName;
+
+  /**
+   * The sort mode that is currently applied to the _sortColumnName.
+   */
+  EColumnSortMode::Type _sortMode = EColumnSortMode::Type::None;
+
+  /**
+   * The search box for entering the _searchString
+   */
+  TSharedPtr<SSearchBox> SearchBox;
+
+  /**
+   * The string that is currently entered in the SearchBox,
+   * (trimmed from whitespace), used for filtering the asset
+   * list in ApplyFilter.
+   */
+  FString _searchString;
+};