133 lines
3.8 KiB
C
133 lines
3.8 KiB
C
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// NoesisGUI - http://www.noesisengine.com
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// Copyright (c) 2013 Noesis Technologies S.L. All Rights Reserved.
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef __GUI_COLLECTIONVIEW_H__
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#define __GUI_COLLECTIONVIEW_H__
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#include <NsCore/Noesis.h>
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#include <NsCore/BaseComponent.h>
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#include <NsCore/Vector.h>
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#include <NsCore/Delegate.h>
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#include <NsCore/ReflectionDeclare.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/ICollectionView.h>
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#include <NsGui/INotifyCollectionChanged.h>
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#include <NsGui/IComponentInitializer.h>
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#include <NsGui/IUITreeNode.h>
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#include <NsGui/Events.h>
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namespace Noesis
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{
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NS_INTERFACE IList;
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class CollectionViewTest;
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NS_WARNING_PUSH
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NS_MSVC_WARNING_DISABLE(4251 4275)
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Represents a view for grouping, sorting, filtering, and navigating a data collection.
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///
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/// https://msdn.microsoft.com/en-us/library/system.windows.data.collectionview.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API CollectionView: public BaseComponent, public ICollectionView,
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public INotifyCollectionChanged, public IComponentInitializer, public IUITreeNode
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{
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public:
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CollectionView(IList* collection);
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~CollectionView();
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/// Returns the underlying unfiltered collection
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IList* GetSourceCollection() const;
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/// Gets the number of records in the view
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/// \prop
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int Count() const;
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/// Retrieves the item at the specified zero-based index in the view
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Ptr<BaseComponent> GetItemAt(uint32_t index) const;
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/// Returns the index at which the specified item is located; -1 if the item is unknown
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int IndexOf(const BaseComponent* item) const;
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/// From ICollectionView
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//@{
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bool CanFilter() const final;
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bool CanGroup() const final;
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bool CanSort() const final;
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bool Contains(const BaseComponent* item) const final;
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Ptr<BaseComponent> CurrentItem() const final;
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int CurrentPosition() const final;
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bool IsCurrentAfterLast() const final;
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bool IsCurrentBeforeFirst() const final;
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bool IsEmpty() const final;
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bool MoveCurrentTo(BaseComponent* item) final;
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bool MoveCurrentToFirst() final;
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bool MoveCurrentToLast() final;
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bool MoveCurrentToNext() final;
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bool MoveCurrentToPosition(int position) final;
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bool MoveCurrentToPrevious() final;
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void Refresh() final;
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EventHandler& CurrentChanged() final;
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//@}
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/// From INotifyCollectionChanged
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//@{
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NotifyCollectionChangedEventHandler& CollectionChanged() final;
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//@}
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/// From IComponentInitializer
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//@{
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bool IsInitialized() const override;
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void Init() override;
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void BeginInit() override;
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void EndInit() override;
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//@}
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/// From IUITreeNode
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//@{
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IUITreeNode* GetNodeParent() const final;
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void SetNodeParent(IUITreeNode* parent) final;
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BaseComponent* FindNodeResource(const char* key, bool fullElementSearch) const final;
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ObjectWithNameScope FindNodeName(const char* name) const final;
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//@}
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NS_IMPLEMENT_INTERFACE_FIXUP
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private:
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void InternalCollectionChanged(BaseComponent* sender,
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const NotifyCollectionChangedEventArgs& args);
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void ConnectCollection();
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void SetCurrentPosition(int pos);
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private:
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friend class CollectionViewTest;
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bool mIsInitialized;
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IUITreeNode* mOwner;
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bool mIsDynamic;
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int mCurrentPosition;
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Ptr<IList> mCollection;
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EventHandler mCurrentChanged;
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NotifyCollectionChangedEventHandler mCollectionChanged;
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NS_DECLARE_REFLECTION(CollectionView, BaseComponent)
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};
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NS_WARNING_POP
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}
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#endif
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