////////////////////////////////////////////////////////////////////////////////////////////////////
// NoesisGUI - http://www.noesisengine.com
// Copyright (c) 2013 Noesis Technologies S.L. All Rights Reserved.
////////////////////////////////////////////////////////////////////////////////////////////////////


#ifndef __GUI_TEMPLATEBINDINGEXTENSION_H__
#define __GUI_TEMPLATEBINDINGEXTENSION_H__


#include <NsCore/Noesis.h>
#include <NsCore/ReflectionDeclare.h>
#include <NsGui/CoreApi.h>
#include <NsGui/MarkupExtension.h>


namespace Noesis
{

class DependencyProperty;

NS_WARNING_PUSH
NS_MSVC_WARNING_DISABLE(4251 4275)

////////////////////////////////////////////////////////////////////////////////////////////////////
/// Implements a markup extension that supports the binding between the value of a property in a
/// template and the value of some other exposed property on the templated control.
///
/// Using a TemplateBinding is equivalent to using a Binding with the Source property set to
/// *RelativeSource.TemplatedParent*.
///
/// The method ProvideValue returns a TemplateBindingExpression.
///
/// Example:
///
/// .. code-block:: xml
///
///     <ControlTemplate Key="buttonTemplate" TargetType="{x:Type Button}">
///       <Border Background="{TemplateBinding Background}"/>
///     </ControlTemplate>
///
/// http://msdn.microsoft.com/en-us/library/system.windows.templatebindingextension.aspx
////////////////////////////////////////////////////////////////////////////////////////////////////
class NS_GUI_CORE_API TemplateBindingExtension: public MarkupExtension
{
public:
    TemplateBindingExtension();
    TemplateBindingExtension(const DependencyProperty* dp);

    /// Gets or sets the source property being bound to
    //@{
    const DependencyProperty* GetProperty() const;
    void SetProperty(const DependencyProperty* property);
    //@}

    /// From MarkupExtension
    //@{
    Ptr<BaseComponent> ProvideValue(const ValueTargetProvider* provider) override;
    //@}

private:
    const DependencyProperty* mProperty;

    NS_DECLARE_REFLECTION(TemplateBindingExtension, MarkupExtension)
};

NS_WARNING_POP

}


#endif