70 lines
2.2 KiB
C
70 lines
2.2 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_MARKUPEXTENSION_H__
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#define __GUI_MARKUPEXTENSION_H__
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#include <NsCore/Noesis.h>
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#include <NsCore/BaseComponent.h>
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#include <NsGui/IUITreeNode.h>
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#include <NsGui/CoreApi.h>
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namespace Noesis
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{
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template<class T> class Ptr;
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class ValueTargetProvider;
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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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/// Provides a base class for XAML markup extension implementations.
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///
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/// Markup extensions return objects in a more sophisticated way than type converters alone can
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/// accomplish. Markup extensions use the known character sequence of an opening curly brace ``{``
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/// to enter the markup extension scope, and a closing curly brace ``}`` to exit.
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///
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/// .. code-block:: xml
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///
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/// <Path Fill="{StaticResource GlyphBrush}"
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/// Data="{Binding Path=Content, RelativeSource={RelativeSource TemplatedParent}}"/>
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///
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/// http://msdn.microsoft.com/en-us/library/system.windows.markup.markupextension.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API MarkupExtension: public BaseComponent, public IUITreeNode
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{
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public:
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MarkupExtension();
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/// Returns an object that is provided as the value of the target property for this extension
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virtual Ptr<BaseComponent> ProvideValue(const ValueTargetProvider* provider) = 0;
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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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IUITreeNode* mOwner;
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NS_DECLARE_REFLECTION(MarkupExtension, 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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