69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////////////////
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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_UIELEMENTCOLLECTION_H__
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#define __GUI_UIELEMENTCOLLECTION_H__
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#include <NsCore/Noesis.h>
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#include <NsCore/ReflectionDeclare.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/UICollection.h>
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#include <NsGui/UIElement.h>
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namespace Noesis
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{
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class FrameworkElement;
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////////////////////////////////////////////////////////////////////////////////////////////////////
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/// Represents an ordered collection of UIElement child elements.
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///
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/// https://msdn.microsoft.com/en-us/library/system.windows.controls.uielementcollection.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API UIElementCollection: public UICollection<UIElement>
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{
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public:
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UIElementCollection(UIElement* visualParent, FrameworkElement* logicalParent);
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~UIElementCollection();
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/// Gets logical parent of the items stored in this collection
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FrameworkElement* GetLogicalParent() const;
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protected:
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/// From BaseUICollection
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//@{
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void OnItemAdded(BaseComponent* item) override;
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void OnItemRemoved(BaseComponent* item) override;
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void OnItemsRemoved() override;
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//@}
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private:
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void AddChild(UIElement* child);
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void RemoveChild(UIElement* child);
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void RemoveChildren();
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void InvalidateVisualParentMeasure();
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void RegisterParents();
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void UnregisterParents();
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void OnVisualParentDestroyed(DependencyObject* d);
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void OnLogicalParentDestroyed(DependencyObject* d);
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private:
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UIElement* mVisualParent;
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FrameworkElement* mLogicalParent;
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NS_DECLARE_REFLECTION(UIElementCollection, BaseUICollection)
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};
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}
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#endif
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