84 lines
2.4 KiB
C++
84 lines
2.4 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_TEMPLATEBINDINGEXPRESSION_H__
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#define __GUI_TEMPLATEBINDINGEXPRESSION_H__
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#include <NsCore/Noesis.h>
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#include <NsGui/CoreApi.h>
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#include <NsGui/Expression.h>
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#include <NsCore/ReflectionDeclare.h>
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#include <NsCore/Ptr.h>
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namespace Noesis
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{
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class TypeConverter;
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class DependencyObject;
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class FrameworkElement;
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class TemplateBindingExtension;
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struct DependencyPropertyChangedEventArgs;
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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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/// Describes a run-time instance of a TemplateBindingExtension.
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///
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/// https://msdn.microsoft.com/en-us/library/system.windows.templatebindingexpression.aspx
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////////////////////////////////////////////////////////////////////////////////////////////////////
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class NS_GUI_CORE_API TemplateBindingExpression final: public Expression
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{
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public:
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~TemplateBindingExpression();
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NS_DECLARE_POOL_ALLOCATOR
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/// Gets the TemplateBindingExtension object of this expression instance
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/// \prop
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TemplateBindingExtension* GetTemplateBindingExtension() const;
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/// From Expression
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//@{
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Ptr<BaseComponent> Evaluate() const;
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Ptr<Expression> Reapply(DependencyObject* targetObject,
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const DependencyProperty* targetProperty) const;
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//@}
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private:
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friend class TemplateBindingExtension;
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TemplateBindingExpression(TemplateBindingExtension* extension, DependencyObject* targetObject,
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const DependencyProperty* targetProperty);
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void Register();
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void Unregister();
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void OnTemplatedParentPropertyChanged(BaseComponent* sender,
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const DependencyPropertyChangedEventArgs& args);
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void TemplatedParentDestroyed(DependencyObject* object);
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void TargetDestroyed(DependencyObject* object);
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private:
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Ptr<TemplateBindingExtension> mBinding;
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DependencyObject* mTargetObject;
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const DependencyProperty* mTargetProperty;
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FrameworkElement* mTemplatedParent;
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Ptr<TypeConverter> mConverter;
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NS_DECLARE_REFLECTION(TemplateBindingExpression, Expression)
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};
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NS_WARNING_POP
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}
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#endif
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