108 lines
3.3 KiB
C
108 lines
3.3 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_RELATIVESOURCE_H__
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#define __GUI_RELATIVESOURCE_H__
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#include <NsCore/Noesis.h>
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#include <NsCore/ReflectionDeclare.h>
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#include <NsCore/ReflectionDeclareEnum.h>
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#include <NsCore/Ptr.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/MarkupExtension.h>
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#include <NsGui/CoreApi.h>
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namespace Noesis
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{
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enum RelativeSourceMode: int32_t;
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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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/// Implements a markup extension that describes the location of the binding source relative to
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/// the position of the binding target.
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///
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/// http://msdn.microsoft.com/en-us/library/system.windows.data.relativesource.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API RelativeSource: public MarkupExtension
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{
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public:
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/// Initializes a new instance of the RelativeSource class
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RelativeSource();
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/// Initializes a new instance of the RelativeSource class with an initial mode
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RelativeSource(RelativeSourceMode mode);
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/// Initializes a new instance of the RelativeSource class with an initial mode and additional
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/// tree-walking qualifiers for finding the desired relative source
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RelativeSource(RelativeSourceMode mode, const Type* type, int level);
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/// Copy constructor
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RelativeSource(const RelativeSource& other);
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/// Destructor
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~RelativeSource();
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/// Gets a static value that is used to return a RelativeSource constructed for the
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/// *PreviousData* mode
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/// \prop
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static RelativeSource* GetPreviousData();
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/// Gets a static value that is used to return a RelativeSource constructed for the *Self* mode
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/// \prop
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static RelativeSource* GetSelf();
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/// Gets a static value that is used to return a RelativeSource constructed for the
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/// *TemplatedParent* mode
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/// \prop
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static RelativeSource* GetTemplatedParent();
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/// Gets or sets relative source mode
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//@{
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RelativeSourceMode GetMode() const;
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void SetMode(RelativeSourceMode mode);
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//@}
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/// Gets or sets the type of ancestor to look for
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//@{
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const Type* GetAncestorType() const;
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void SetAncestorType(const Type* type);
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//@}
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/// Gets or sets the level of ancestor to look for, in FindAncestor mode. Use 1 to indicate the
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/// one nearest to the binding target element
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//@{
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int GetAncestorLevel() const;
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void SetAncestorLevel(int level);
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//@}
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/// From MarkupExtension
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//@{
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/// Returns an object that should be set as the value on the target object's property for this
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/// markup extension. For RelativeSource, this is another RelativeSource, using the appropriate
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/// source for the specified mode
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Ptr<BaseComponent> ProvideValue(const ValueTargetProvider* provider) override;
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//@}
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private:
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RelativeSourceMode mMode;
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const Type* mAncestorType;
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int mAncestorLevel;
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NS_DECLARE_REFLECTION(RelativeSource, MarkupExtension)
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};
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NS_WARNING_POP
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}
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#endif
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